CN103019195A - Radiating control system, method and device - Google Patents
Radiating control system, method and device Download PDFInfo
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- CN103019195A CN103019195A CN2012105073480A CN201210507348A CN103019195A CN 103019195 A CN103019195 A CN 103019195A CN 2012105073480 A CN2012105073480 A CN 2012105073480A CN 201210507348 A CN201210507348 A CN 201210507348A CN 103019195 A CN103019195 A CN 103019195A
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Abstract
An embodiment of the invention discloses a radiating control system, method and device and is applied to a communication device in a communication machine room. According to the system, a plurality of temperature sensors, a control unit and a plurality of fans capable of rotating positively and negatively are arranged in the communication device, after the communication device is electrified, the control unit controls the fans to rotate positively and negatively, the plurality of temperature sensors respectively sense the temperature of a radiating path, the control unit determines the direction of the radiating path and the fan rotating direction in the communication device according to first temperature information sensed by the temperature sensors when the fans rotate positively and second temperature information sensed by the temperature sensors when the fans rotate negatively, the fan rotating direction is matched with the direction of the radiating path, and the fans can be controlled to rotate according to the determined fan rotating direction, so that the direction of the radiating path in the communication device can be matched correctly, and the problem that in the prior art, two fan modules provided for the communication device are poor in generality and difficult in product configuration can be solved.
Description
Technical Field
The invention relates to communication equipment, in particular to a heat dissipation control system, method and device, which are applied to communication equipment in a communication machine room.
Background
In a traditional communication machine room environment such as a data center machine room, in order to reduce energy consumption of the machine room, a uniform air duct is adopted for cooling and heat dissipation. The cabinets are arranged in parallel line by line in the communication machine room, and the machine room space is divided by the cabinets arranged line by line. Cold air enters from one side of the cabinet and flows out from the other side after passing through the communication equipment inside the cabinet, so that the heat of the communication equipment is taken away. The area between two adjacent rows of cabinets for providing cold air for the communication equipment is called a cold area, and the side between two adjacent rows of cabinets for discharging air and taking away heat is called a hot area. Specifically, the air conditioning system of the machine room sends cold air into the cold area, and the cold air is pumped away by the ventilation equipment of the machine room in the hot area after passing through the communication equipment in the cabinet. The path that the cold wind passes forms the wind channel of computer lab.
According to the air duct layout characteristics of different communication machine rooms, the directions of the hot area and the cold area in different machine rooms are just opposite. This requires that the communications equipment housed within the fixed rack be designed to support a front-to-back heat dissipation path, where front refers to the side of the service panel that provides ports or operations for the subscriber, i.e., the front side of the service panel, and back refers to the other side of the service panel relative to the front, i.e., the back side of the service panel, where fans are typically located, and a back-to-front heat dissipation path.
The heat dissipation path from front to back is: the air blown into the cabinet from the air duct is blown to the rear side of the service board from the front side of the service board, the fan extracts the air from the rear side of the service board and takes away the heat of the service board, and the heat is dissipated into the air.
The heat dissipation path from back to front is: the air blown into the cabinet from the air duct firstly passes through the fan, is pressurized by the operation of the fan and then is blown to the front side of the service board from the rear side of the service board, and the heat of the service board is taken away by the air and dissipated into the air.
In general, equipment manufacturers generally provide two fan modules for communication equipment to match the directions of the two heat dissipation paths, wherein the wind direction of one fan module is a direction for drawing wind from the rear side of the service board and matching the heat dissipation path from front to back, and the wind direction of the other fan module is a direction for blowing wind to the rear side of the service board and matching the heat dissipation path from back to front.
The user selects one of the two fan modules according to the air duct requirement of the cabinet environment, and installs the corresponding fan module to match the direction of the heat dissipation path from front to back or the direction of the heat dissipation path from back to front.
However, the two fan modules can normally work only by matching the directions of the corresponding heat dissipation paths, and the correct fan module must be selected for installation, debugging, upgrading and capacity expansion of the communication device, so that if the configuration is wrong or the installation is wrong, the fan module cannot play a due cooling and consumption reduction function, and even the communication device can give a fault alarm.
It can be seen that in the prior art, two fan modules are provided for the communication device to match the directions of two heat dissipation paths inside the communication device, and the problems of poor universality and high product configuration difficulty of the fan modules exist.
Disclosure of Invention
In view of this, embodiments of the present invention provide a heat dissipation control system, method and apparatus, so as to solve the problems in the prior art that two fan modules are provided for a communication device to match directions of two heat dissipation paths inside the communication device, so that the versatility of the fan modules is poor and the product configuration difficulty is high.
The technical scheme of the embodiment of the invention is as follows:
a heat dissipation control system is applied to communication equipment in a communication room and comprises: the temperature sensors, the control unit and the fans can rotate forwards and reversely; the fans and the temperature sensors are all positioned on a heat dissipation path in the communication equipment; the temperature sensor is used for sensing the temperature on the heat dissipation path; the control unit is used for controlling the fans to rotate forwards and receiving first temperature information from the temperature sensors after the communication equipment is powered on; controlling the fans to rotate reversely, and receiving second temperature information from the temperature sensors; determining the direction of a heat dissipation path inside the communication equipment and the direction of a fan according to the first temperature information and the second temperature information, wherein the determined direction of the fan is matched with the determined direction of the heat dissipation path, and controlling the fans to rotate according to the determined direction of the fan, introduce air into a cold area on an air channel of a communication machine room, and take away heat dissipated by a plurality of service boards in the communication equipment; and the fan is used for forward rotation or reverse rotation according to the control of the control unit.
A heat dissipation control method is applied to communication equipment in a communication room and comprises the following steps: after the communication equipment is powered on, controlling a plurality of fans positioned on an internal heat dissipation path of the communication equipment to rotate forwards, and receiving first temperature information from a plurality of temperature sensors positioned on the internal heat dissipation path of the communication equipment; controlling the fans to rotate reversely, and receiving second temperature information from the temperature sensors; determining the direction of a heat dissipation path inside the communication equipment and the fan rotation direction according to the first temperature information and the second temperature information, wherein the determined fan rotation direction is matched with the determined direction of the heat dissipation path; and controlling the fans to rotate according to the determined fan rotation direction, introducing air in a cold area on an air channel of the communication machine room, and taking away heat emitted by a plurality of service boards in the communication equipment.
A heat dissipation control device is applied to communication equipment in a communication room and comprises: the device comprises a control module, a receiving module and a determining module; the control module is used for controlling the fans on the internal heat dissipation path of the communication equipment to rotate forwards and backwards after the communication equipment is powered on; controlling the fans to rotate according to the rotation direction determined by the determination module, introducing air into a cold area on an air channel of a communication machine room, and taking away heat emitted by a plurality of service boards in the communication equipment according to the rotation direction determined by the determination module; the receiving module is used for receiving first temperature information sensed by a plurality of temperature sensors positioned on a heat dissipation path of the communication equipment when the plurality of fans rotate forwards and receiving second temperature information sensed by the plurality of temperature sensors when the plurality of fans rotate backwards; the determining module is used for determining the direction of a heat dissipation path inside the communication equipment and the fan rotation direction according to the first temperature information and the second temperature information received by the receiving module, and the determined fan rotation direction is matched with the determined direction of the heat dissipation path.
In the embodiment of the invention, a plurality of temperature sensors, a control unit and a plurality of fans capable of rotating forwards and reversely are arranged in communication equipment, after the communication equipment is electrified, the control unit controls the fans to rotate forwards or reversely, the temperature of a heat dissipation path is respectively sensed by the temperature sensors, the control unit determines the direction of the heat dissipation path in the communication equipment and the direction of the fans according to first temperature information sensed by the temperature sensors when the fans rotate forwards and second temperature information sensed by the temperature sensors when the fans rotate reversely, the direction of the fan rotation is matched with the direction of the heat dissipation path, the fans are controlled to rotate according to the determined direction of the fan rotation, the fans are led into a cold area on an air channel of a communication machine room after being operated and take away heat dissipated by a plurality of service boards, and therefore, the directions of the heat dissipation path in the communication equipment can be matched by the fans capable of rotating forwards and reversely, and then can solve exist among the prior art, provide two kinds of fan modules for communication equipment and come the direction of two kinds of heat dissipation routes of matching communication equipment inside, and lead to the problem that fan module's commonality is relatively poor, the product configuration degree of difficulty is high.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1a is a block diagram of a heat dissipation control system according to an embodiment of the present invention;
FIG. 1b is a flow chart illustrating the operation of the system of FIG. 1 a;
fig. 2 is a flowchart illustrating a heat dissipation control method according to an embodiment of the present invention;
fig. 3 is a block diagram of a heat dissipation control device according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.
The embodiment of the invention provides a heat dissipation control scheme for solving the problems that in the prior art, two fan modules are provided for communication equipment to match the directions of two heat dissipation paths in the communication equipment, so that the universality of the fan modules is poor and the product configuration difficulty is high. In the embodiment of the invention, a plurality of temperature sensors, a control unit and a plurality of fans capable of rotating forwards and reversely are arranged in communication equipment, after the communication equipment is electrified, the control unit controls the fans to rotate forwards or reversely, the temperature of a heat dissipation path is respectively sensed by the temperature sensors, the control unit determines the direction of the heat dissipation path in the communication equipment and the direction of the fans according to first temperature information sensed by the temperature sensors when the fans rotate forwards and second temperature information sensed by the temperature sensors when the fans rotate reversely, the direction of the fans is matched with the direction of the heat dissipation path, the fans are controlled to rotate according to the determined direction of the fans, the fans are led into a cold area on an air channel of a communication machine room after being operated and take away heat emitted by a plurality of service boards, so that the direction of the heat dissipation path in the communication equipment can be matched by the fans capable of rotating forwards and reversely, and then can solve exist among the prior art, through providing two kinds of fan modules for communication equipment and come the direction of two kinds of heat dissipation routes of matching communication equipment inside, and lead to the problem that fan module's commonality is relatively poor, the product configuration degree of difficulty is high.
The following is a description of specific embodiments of the present invention.
Fig. 1a shows a block diagram of a heat dissipation control system provided in an embodiment of the present invention, where the system is applied to a communication device located in a communication room, and as shown in fig. 1a, the system includes: a plurality of temperature sensors 11, a control unit 12 and a plurality of fans 13 capable of rotating forwards and backwards; the fans 13 and the temperature sensors 11 are all positioned on a heat dissipation path inside the communication equipment; preferably, the plurality of temperature sensors 11 may also be respectively located on a service board of the communication device, and the service board is also located on the heat dissipation path; the number of the fans 13 and the number of the temperature sensors 11 are set according to the requirements of specific application scenarios, when the requirement of the communication equipment on the temperature is high, more fans and temperature sensors can be set, and when the requirement of the communication equipment on the temperature is low, fewer fans and temperature sensors can be set;
a temperature sensor 11 for sensing a temperature on the heat dissipation path;
the control unit 12 is used for controlling the fans 13 to rotate forward and receiving first temperature information from the temperature sensors 11 after the communication equipment is powered on; controlling a plurality of fans 13 to rotate reversely, and receiving second temperature information from a plurality of temperature sensors 11; determining the direction of a heat dissipation path inside the communication equipment and the fan steering according to the first temperature information and the second temperature information, wherein the determined fan steering is matched with the determined direction of the heat dissipation path, and controlling a plurality of fans 13 to operate according to the determined steering, introduce air into a cold area on an air duct of a communication machine room and take away heat dissipated by a plurality of service boards in the communication equipment; wherein, the positive rotation of the fan is specifically as follows: the fan is located the heat dissipation route, and the fan operation is positive rotation from the A end convulsions of heat dissipation route, when blowing wind to the B end of heat dissipation route, and the fan reversal specifically is: the fan operates to draw air from the end B of the heat dissipation path and reversely rotates when blowing the air to the end A of the heat dissipation path;
and a fan 13 for performing normal rotation or reverse rotation according to the control of the control unit.
The working principle of the system shown in fig. 1a is shown in fig. 1b, and specifically comprises the following processing procedures:
step 101, after the communication equipment is powered on, the control unit 12 controls the fans 13 to rotate forwards; the plurality of fans can be all fans in the communication equipment or part of fans; moreover, the following fans are all the fans in step 101, that is, when the fans in step 101 are all the fans in the communication device, the following fans are all the fans, and when the fans in step 101 are partial fans in the communication device, the following fans are all the partial fans indicated in step 101;
102, respectively sensing the temperature on a heat dissipation path by a plurality of temperature sensors 11; the temperature sensors can be all temperature sensors or temperature sensors corresponding to the running fans; moreover, the following temperature sensors are all the temperature sensors in step 102, that is, when the temperature sensors in step 102 are all the temperature sensors in the communication device, the following temperature sensors are all the temperature sensors, and when the temperature sensors in step 102 are partial temperature sensors in the communication device, the following temperature sensors are all the partial temperature sensors in step 102;
103, the control unit 12 receives first temperature information from the plurality of temperature sensors 11, where the first temperature information includes temperatures sensed by the plurality of temperature sensors 11;
104, controlling a plurality of fans 13 to rotate reversely by the control unit 12;
105, respectively sensing the temperature on the heat dissipation path by a plurality of temperature sensors 11;
step 106, the control unit 12 receives second temperature information from the plurality of temperature sensors 11, where the second temperature information includes temperatures sensed by the plurality of temperature sensors 11;
step 107, the control unit 12 determines the direction of a heat dissipation path inside the communication device and the fan rotation direction according to the first temperature information and the second temperature information, and the determined fan rotation direction is matched with the determined direction of the heat dissipation path;
and step 108, the control unit 12 controls the fans 13 to rotate according to the determined fan rotation direction, introduces air in a cold area on an air duct of the communication machine room, and takes away heat emitted by the service boards in the communication equipment.
Through the system and the working principle thereof as shown in figure 1, a plurality of temperature sensors, a control unit and a plurality of fans capable of rotating forwards and reversely are arranged in communication equipment, after the communication equipment is electrified, the control unit controls the fans to rotate forwards or reversely, the temperature on a heat dissipation path is respectively sensed by the plurality of temperature sensors, the direction of the heat dissipation path in the communication equipment and the direction of the fans are determined by the control unit according to first temperature information sensed by the temperature sensors during the forward rotation of the fans and second temperature information sensed by the temperature sensors during the reverse rotation of the fans, the directions of the fan steering and the heat dissipation path are matched, the fans are controlled to rotate according to the determined direction of the fans, the fans are led into a cold area on an air channel of a communication machine room after being operated and take away heat emitted by a plurality of service boards, and therefore, the directions of the heat dissipation path in the communication equipment can be matched by the fans capable, and then can solve exist among the prior art, through providing two kinds of fan modules for communication equipment and come the direction of two kinds of heat dissipation routes of matching communication equipment inside, and lead to the problem that fan module's commonality is relatively poor, the product configuration degree of difficulty is high.
The operation of the control unit 12 of fig. 1 will now be described in detail.
Fig. 2 shows a working flow chart of a heat dissipation control method provided by an embodiment of the present invention, that is, fig. 2 shows a flow of an operating principle of the control unit 12 in fig. 1, and as shown in fig. 2, the method includes:
specifically, under the condition that the temperature shown by the first temperature information is higher than the temperature shown by the second temperature information, that is, the temperature of the air inlet area of the device during forward rotation of the fan is higher, and the temperature of the air inlet area of the device during reverse rotation of the fan is lower, determining that the air inlet areas of the devices during forward rotation of the fans are hot areas of the heat dissipation path and air outlets of the communication devices, and the air inlet areas of the devices during reverse rotation of the fans are cold areas of the heat dissipation path and air inlets of the communication devices, and determining that the rotation direction of the fans is reverse rotation;
under the condition that the temperature shown by the second temperature information is higher than that shown by the first temperature information, namely the temperature of an equipment air inlet area during forward rotation of the fan is lower, and the temperature of the equipment air inlet area during reverse rotation of the fan is higher, determining that the equipment air inlet areas of the forward rotation of the fans are cold areas of a heat dissipation path and air inlets of communication equipment, and determining that the air inlet areas of the reverse rotation of the fans are hot areas of the heat dissipation path and air outlets of the communication equipment, and determining that the rotation direction of the fans is forward rotation;
the first temperature information and the second temperature information both include temperatures sensed by a plurality of temperature sensors, and the processing of determining the comparison relationship between the temperature indicated by the first temperature information and the temperature indicated by the second temperature information, taking the case that the temperature indicated by the first temperature information is greater than the temperature indicated by the second temperature information, may include, but is not limited to, the following three ways:
the comparison method is that when the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information, the temperature shown by the first temperature information is determined to be larger than the temperature shown by the second temperature information; the predetermined number of temperature sensors may be determined according to a specific application scenario, for example, in an application scenario with a higher requirement on temperature, a smaller number may be set, and in an application scenario with a lower requirement on temperature, a relatively larger number may be set;
in the second comparison mode, when the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information is larger than the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information, the temperature shown by the first temperature information is determined to be larger than the temperature shown by the second temperature information;
in a third comparison mode, when the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the first temperature information are respectively greater than the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the second temperature information in a one-to-one correspondence manner, the temperature shown by the first temperature information is determined to be greater than the temperature shown by the second temperature information; the weighting coefficients are related to the importance of the service board where the temperature sensors are located, for example, the weighting coefficient of the service board with the importance, such as the service board where the central processing unit is located, is higher, and the weighting coefficients of the other service boards with the lower importance can be lower, so that the difference between the temperature values sensed by the temperature sensors can be opened, and the comparison and identification of the temperature values can be facilitated.
Preferably, during the specific application, the above three comparison manners may also be applied in combination, for example, the comparison manner one and the comparison manner three are applied in combination, that is, the weighted value of the temperatures respectively sensed by the predetermined number of temperature sensors in the first temperature information is compared with the weighted value of the temperatures respectively sensed by the predetermined number of temperature sensors in the second temperature information.
The processing for determining that the temperature indicated by the second temperature information is greater than the temperature indicated by the first temperature information is also shown in the above three ways, except that the temperature indicated by the second temperature information is greater than the temperature indicated by the first temperature information, which is not described herein again.
It is understood that, depending on the implementation scenario, the comparison relationship between the temperature indicated by the first temperature information and the temperature indicated by the second temperature information may be determined in other ways.
And 204, controlling the fans to rotate according to the determined fan rotation directions, introducing air in a cold area on an air channel of the communication machine room, and taking away heat emitted by a plurality of service boards in the communication equipment.
The above process illustrates how the control unit determines the direction of the heat dissipation path inside the communication device and determines the process of the fan turning direction after the communication device is just powered on, by the above process, the fan turning direction can be matched with the direction of the heat dissipation path, and the fan is controlled to turn and operate according to the determined fan turning direction, so that the fan is led into the air in the cold area on the air duct of the communication machine room after operating, and the heat dissipated by a plurality of service boards is taken away, thereby the directions of the heat dissipation path inside the communication device can be matched through the fans capable of rotating forwards and reversely, and further the problems existing in the prior art, that the directions of two heat dissipation paths inside the communication device are matched by providing two fan modules for the communication device, and the problems of poor universality of the fan modules and high difficulty in product configuration are caused.
Further, on the basis of the processing of determining the direction of the heat dissipation path and the turning direction of the fans, the embodiment of the invention also provides a processing of regulating the speed of the fans by the control unit in the operation process of the communication equipment, that is, after the control unit controls the fans to operate according to the determined turning direction, the control unit determines the rotating speeds of the fans according to third temperature information sensed by the temperature sensors. The process of determining the fan speed by the control unit may include, but is not limited to, the following two ways:
the method comprises the steps that first, third temperature information sensed by a plurality of temperature sensors is received in a preset period, the rotating speeds of a plurality of fans are controlled to be increased under the condition that the temperature shown by the third temperature information received in the current period is higher than the temperature shown by the third temperature information received in the previous period, and the rotating speeds of the plurality of fans are controlled to be decreased under the condition that the temperature shown by the third temperature information received in the current period is lower than the temperature shown by the third temperature information received in the previous period;
the second speed regulation mode is that third temperature information sensed by a plurality of temperature sensors is received in a preset period, the rotating speed of the fan corresponding to the temperature sensor is controlled to be accelerated under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is larger than the temperature value sensed by the temperature sensor with the specified identifier in the last period, and the rotating speed of the fan corresponding to the temperature sensor is controlled to be slowed down under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is smaller than the temperature value sensed by the temperature sensor with the specified identifier in the last period; through speed governing mode two, can reach more meticulous regulation and control granularity, can carry out more meticulous control to the heat dissipation of communication equipment inside.
The temperature sensor of the designated identifier may be a temperature sensor of which the identifier is designated in advance by a technician, or a temperature sensor of which the identifier is designated by the technician according to the operating condition of the communication device or according to the environmental condition of the communication room in the operating process of the communication device. The temperature sensor of the designated identifier may be a temperature sensor arranged on a service board in some area inside the communication device, for example, a temperature sensor arranged on a service board far from an air duct of the communication equipment room, or may be a temperature sensor arranged on some important service board inside the communication device, for example, a temperature sensor arranged on a service board where the central processing unit is located.
The correspondence between the temperature sensor and the fan may be set in advance according to the positional correspondence between the fan and the service board.
Specifically, in the first speed regulation mode, the processing of comparing the relationship between the temperature indicated by the third temperature information received in the current cycle and the temperature indicated by the third temperature information received in the previous cycle, and in the second speed regulation mode, the processing of comparing the relationship between the temperature value sensed by the temperature sensor specified in the third temperature information in the current cycle and the temperature value sensed by the temperature sensor specified in the previous cycle may be processed with reference to the first to third comparison modes.
Through the speed regulation processing, the heat dissipation condition in the communication equipment can be dynamically regulated and controlled in real time, so that the communication equipment is in a good heat dissipation state.
Based on the same inventive concept, the embodiment of the present invention further provides a heat dissipation control device, which is applied to a communication device located in a communication room, that is, the control unit 12 in fig. 1 a.
Fig. 3 is a block diagram illustrating a heat dissipation control apparatus according to an embodiment of the present invention, where the apparatus includes: a control module 31, a receiving module 32 and a determining module 33;
the control module 31 is configured to control the fans located on the internal heat dissipation path of the communication device to rotate forward and backward after the communication device is powered on; controlling a plurality of fans to rotate according to the rotation direction determined by the determination module 33, introducing air into a cold area on an air channel of the communication machine room, and taking away heat emitted by a plurality of service boards in the communication equipment according to the rotation direction determined by the determination module 33;
the receiving module 32 is used for receiving first temperature information sensed by a plurality of temperature sensors positioned on a heat dissipation path of the communication equipment when the plurality of fans rotate forwards, and receiving second temperature information sensed by the plurality of temperature sensors when the plurality of fans rotate backwards;
and the determining module 33 is connected to the control module 31 and the receiving module 32, and is used for determining the direction of a heat dissipation path inside the communication device and the fan rotation direction according to the first temperature information and the second temperature information received by the receiving module 32, wherein the determined fan rotation direction is matched with the determined direction of the heat dissipation path.
The determining module 33 is specifically configured to: under the condition that the temperature shown by the first temperature information is higher than the temperature shown by the second temperature information, determining that an equipment air inlet area of a plurality of fans rotating forwards is a hot area of a heat dissipation path, an equipment air inlet area of a plurality of fans rotating backwards is a cold area of the heat dissipation path, and determining that the rotation directions of the plurality of fans rotate backwards; and under the condition that the temperature shown by the second temperature information is higher than the temperature shown by the first temperature information, determining that the air inlet area of the equipment with the plurality of fans rotating forwards is a cold area of the heat dissipation path, and determining that the air inlet area of the equipment with the plurality of fans rotating backwards is a hot area of the heat dissipation path, and determining that the rotation directions of the plurality of fans are rotating forwards.
Specifically, under the condition that the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information, the temperature shown by the first temperature information is determined to be larger than the temperature shown by the second temperature information; or,
under the condition that the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information is larger than the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information, determining that the temperature shown by the first temperature information is larger than the temperature shown by the second temperature information; or,
under the condition that weighted values of temperatures respectively sensed by a plurality of temperature sensors in the first temperature information are larger than weighted values of temperatures respectively sensed by a plurality of temperature sensors in the second temperature information in a one-to-one correspondence manner, determining that the temperature shown by the first temperature information is larger than the temperature shown by the second temperature information;
or,
under the condition that the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information, the temperature shown by the second temperature information is determined to be larger than the temperature shown by the first temperature information; or,
under the condition that the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information is larger than the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information, determining that the temperature shown by the second temperature information is larger than the temperature shown by the first temperature information; or,
and under the condition that the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the second temperature information are greater than the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the first temperature information in a one-to-one correspondence manner, determining that the temperature shown by the second temperature information is greater than the temperature shown by the first temperature information.
Preferably, the receiving module 32 is further configured to receive third temperature information sensed by the plurality of temperature sensors after the control module 31 controls the plurality of fans to operate according to the determined steering direction; then, the determining module 33 is further configured to: determining the rotating speeds of the fans according to the third temperature information from the receiving module 32; the control module 31 is further configured to: the plurality of fans are controlled to operate at the rotational speed determined by the determination module 33.
Specifically, the process of determining the rotation speeds of the plurality of fans by the determination module 33 includes:
receiving third temperature information sensed by a plurality of temperature sensors in a preset period; under the condition that the temperature shown by the third temperature information received in the current period is higher than the temperature shown by the third temperature information received in the previous period, controlling to accelerate the rotating speeds of the fans, and under the condition that the temperature shown by the third temperature information received in the current period is lower than the temperature shown by the third temperature information received in the previous period, controlling to decelerate the rotating speeds of the fans; or,
and under the condition that the temperature value sensed by the temperature sensor with the appointed identification in the third temperature information in the current period is greater than the temperature value sensed by the temperature sensor with the appointed identification in the last period, controlling to accelerate the rotating speed of the fan corresponding to the temperature sensor, and under the condition that the temperature value sensed by the temperature sensor with the appointed identification in the third temperature information in the current period is less than the temperature value sensed by the temperature sensor with the appointed identification in the last period, controlling to slow down the rotating speed of the fan corresponding to the temperature sensor.
The operation of the device of fig. 3 is as described above for the operation of the control unit and will not be described further here.
Through the device and the working principle thereof as shown in fig. 3, the directions of the fan steering and the heat dissipation path can be matched, the fan is controlled to rotate according to the determined fan steering, the air in a cold area on an air channel of a communication machine room is introduced after the fan operates, and the heat dissipated by a plurality of service boards is taken away, so that the directions of the heat dissipation path inside the communication equipment can be matched through the forward rotating fan and the reverse rotating fan, and the problems of poor universality and high product configuration difficulty of the fan module due to the fact that the directions of two heat dissipation paths inside the communication equipment are matched by providing two fan modules for the communication equipment in the prior art can be solved. And moreover, the heat dissipation condition in the communication equipment can be dynamically regulated in real time, so that the communication equipment is in a good heat dissipation state.
Preferably, in an alternative of the embodiment of the present invention, the fans capable of rotating in the forward direction and the reverse direction may be replaced by two fan modules having only one direction of rotation, the two fan modules are located at two ends of the heat dissipation path inside the communication device in opposite directions, the control unit sequentially controls one of the two fan modules to operate, and obtains the first temperature information and the second temperature information respectively, and the control unit determines the direction of the heat dissipation path according to the first temperature information and the second temperature information, and determines which of the two fan modules is to be activated according to the determined direction of the heat dissipation path.
To sum up, according to the technical solution of the embodiments of the present invention, after the communication device is powered on, the control unit controls the fan to rotate forward or backward, the plurality of temperature sensors respectively sense the temperature on the heat dissipation path, the control unit determines the direction of the heat dissipation path and the fan direction according to the first temperature information sensed by the temperature sensor during the forward rotation of the fan and the second temperature information sensed by the temperature sensor during the backward rotation of the fan, the fan direction is matched with the direction of the heat dissipation path, and the fan is controlled to rotate according to the determined fan direction, so that the fan is introduced into the cold area on the air duct of the communication room after operating to take away the heat dissipated by the plurality of service boards, thereby the direction of the heat dissipation path inside the communication device can be matched by the fan capable of rotating forward and backward, and then can solve exist among the prior art, provide two kinds of fan modules for communication equipment and come the direction of two kinds of heat dissipation routes of matching communication equipment inside, and lead to the problem that fan module's commonality is relatively poor, the product configuration degree of difficulty is high.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (15)
1. A heat dissipation control system is applied to communication equipment in a communication machine room, and is characterized by comprising: the temperature sensors, the control unit and the fans can rotate forwards and reversely; the fans and the temperature sensors are all positioned on a heat dissipation path in the communication equipment;
the temperature sensor is used for sensing the temperature on the heat dissipation path;
the control unit is used for controlling the fans to rotate forwards and receiving first temperature information from the temperature sensors after the communication equipment is powered on; controlling the fans to rotate reversely, and receiving second temperature information from the temperature sensors; determining the direction of a heat dissipation path inside the communication equipment and the direction of a fan according to the first temperature information and the second temperature information, wherein the determined direction of the fan is matched with the determined direction of the heat dissipation path, and controlling the fans to rotate according to the determined direction of the fan, introduce air into a cold area on an air channel of a communication machine room, and take away heat dissipated by a plurality of service boards in the communication equipment;
and the fan is used for forward rotation or reverse rotation according to the control of the control unit.
2. The system according to claim 1, wherein the control unit is specifically configured to:
under the condition that the temperature shown by the first temperature information is higher than the temperature shown by the second temperature information, determining that an air inlet area of the communication equipment is a hot area of a heat dissipation path when the fans rotate forwards, determining that the air inlet area of the communication equipment is a cold area of the heat dissipation path when the fans rotate backwards, and determining that the rotation directions of the fans are reverse;
and under the condition that the temperature shown by the second temperature information is higher than the temperature shown by the first temperature information, determining that the equipment air inlet area of the plurality of fans rotating forwards is a cold area of the heat dissipation path, and determining that the equipment air inlet area of the plurality of fans rotating backwards is a hot area of the heat dissipation path, and determining that the rotation direction of the plurality of fans is rotating forwards.
3. The system of claim 2, wherein the first temperature information and the second temperature information each comprise a temperature sensed by the plurality of temperature sensors; then the process of the first step is carried out,
the control unit is specifically configured to:
under the condition that the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information, determining that the temperature shown by the first temperature information is larger than the temperature shown by the second temperature information; or,
determining that the temperature shown by the first temperature information is greater than the temperature shown by the second temperature information when the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information is greater than the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information; or,
determining that the temperature shown by the first temperature information is greater than the temperature shown by the second temperature information under the condition that the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the first temperature information are correspondingly greater than the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the second temperature information one by one;
or,
under the condition that the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information, determining that the temperature shown by the second temperature information is larger than the temperature shown by the first temperature information; or,
determining that the temperature shown by the second temperature information is greater than the temperature shown by the first temperature information under the condition that the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information is greater than the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information; or,
and under the condition that the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the second temperature information are greater than the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the first temperature information in a one-to-one correspondence manner, determining that the temperature shown by the second temperature information is greater than the temperature shown by the first temperature information.
4. The system of claim 1, wherein the control unit is further configured to:
after the fans are controlled to rotate according to the determined fan rotation direction, the rotating speeds of the fans are determined according to third temperature information sensed by the temperature sensors, and the fans are controlled to rotate according to the determined rotating speeds.
5. The system according to claim 4, wherein the control unit is specifically configured to:
receiving third temperature information sensed by the plurality of temperature sensors within a preset period;
under the condition that the temperature shown by the third temperature information received in the current period is higher than the temperature shown by the third temperature information received in the previous period, controlling to accelerate the rotating speeds of the fans, and under the condition that the temperature shown by the third temperature information received in the current period is lower than the temperature shown by the third temperature information received in the previous period, controlling to decelerate the rotating speeds of the fans; or,
and under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is greater than the temperature value sensed by the temperature sensor with the specified identifier in the last period, controlling to accelerate the rotating speed of the fan corresponding to the temperature sensor, and under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is less than the temperature value sensed by the temperature sensor with the specified identifier in the last period, controlling to decelerate the rotating speed of the fan corresponding to the temperature sensor.
6. A heat dissipation control method is applied to communication equipment in a communication room, and is characterized by comprising the following steps:
after the communication equipment is powered on, controlling a plurality of fans positioned on an internal heat dissipation path of the communication equipment to rotate forwards, and receiving first temperature information from a plurality of temperature sensors positioned on the internal heat dissipation path of the communication equipment;
controlling the fans to rotate reversely, and receiving second temperature information from the temperature sensors;
determining the direction of a heat dissipation path inside the communication equipment and the fan rotation direction according to the first temperature information and the second temperature information, wherein the determined fan rotation direction is matched with the determined direction of the heat dissipation path;
and controlling the fans to rotate according to the determined fan rotation direction, introducing air in a cold area on an air channel of the communication machine room, and taking away heat emitted by a plurality of service boards in the communication equipment.
7. The method of claim 6, wherein determining the direction of the heat dissipation path and the fan direction of the interior of the communication device based on the first temperature information and the second temperature information comprises:
under the condition that the temperature shown by the first temperature information is higher than the temperature shown by the second temperature information, determining that an air inlet area of the communication equipment is a hot area of a heat dissipation path when the fans rotate forwards, determining that the air inlet area of the communication equipment is a cold area of the heat dissipation path when the fans rotate backwards, and determining that the rotation directions of the fans are reverse;
and under the condition that the temperature shown by the second temperature information is higher than the temperature shown by the first temperature information, determining that the air inlet area of the communication equipment is a cold area of the heat dissipation path when the fans rotate forwards, determining that the air inlet area of the communication equipment is a hot area of the heat dissipation path when the fans rotate backwards, and determining that the rotation directions of the fans are positive rotation.
8. The method of claim 7, wherein the first temperature information and the second temperature information each include a temperature sensed by the plurality of temperature sensors; then the process of the first step is carried out,
the temperature indicated by the first temperature information is greater than the temperature indicated by the second temperature information, and the method specifically includes:
the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information; or,
the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information is larger than the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information; or,
the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the first temperature information are correspondingly greater than the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the second temperature information;
the temperature indicated by the second temperature information is greater than the temperature indicated by the first temperature information, and specifically includes:
the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information; or,
the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information is larger than the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information; or,
the temperature weighted values respectively sensed by the plurality of temperature sensors in the second temperature information are correspondingly larger than the temperature weighted values respectively sensed by the plurality of temperature sensors in the first temperature information.
9. The method of claim 6, further comprising:
after the fans are controlled to rotate according to the determined fan rotation direction, the rotating speeds of the fans are determined according to third temperature information sensed by the temperature sensors, and the fans are controlled to rotate according to the determined rotating speeds.
10. The method according to claim 9, wherein determining the rotational speeds of the fans according to the third temperature information sensed by the temperature sensors comprises:
receiving third temperature information sensed by the plurality of temperature sensors within a preset period;
under the condition that the temperature shown by the third temperature information received in the current period is higher than the temperature shown by the third temperature information received in the previous period, controlling to accelerate the rotating speeds of the fans, and under the condition that the temperature shown by the third temperature information received in the current period is lower than the temperature shown by the third temperature information received in the previous period, controlling to decelerate the rotating speeds of the fans; or,
and under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is greater than the temperature value sensed by the temperature sensor with the specified identifier in the last period, controlling to accelerate the rotating speed of the fan corresponding to the temperature sensor, and under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is less than the temperature value sensed by the temperature sensor with the specified identifier in the last period, controlling to decelerate the rotating speed of the fan corresponding to the temperature sensor.
11. The utility model provides a heat dissipation controlling means, is applied to and is located communication equipment of communication computer lab, its characterized in that includes: the device comprises a control module, a receiving module and a determining module;
the control module is used for controlling the fans on the internal heat dissipation path of the communication equipment to rotate forwards and backwards after the communication equipment is powered on; controlling the fans to rotate according to the rotation direction determined by the determination module, introducing air into a cold area on an air channel of a communication machine room, and taking away heat emitted by a plurality of service boards in the communication equipment according to the rotation direction determined by the determination module;
the receiving module is used for receiving first temperature information sensed by a plurality of temperature sensors on a heat dissipation path of the communication equipment when the plurality of fans rotate forwards and receiving second temperature information sensed by the plurality of temperature sensors when the plurality of fans rotate backwards;
the determining module is used for determining the direction of a heat dissipation path inside the communication equipment and the fan rotation direction according to the first temperature information and the second temperature information received by the receiving module, and the determined fan rotation direction is matched with the determined direction of the heat dissipation path.
12. The apparatus of claim 11, wherein the determining module is specifically configured to:
under the condition that the temperature shown by the first temperature information is higher than the temperature shown by the second temperature information, determining that an air inlet area of the communication equipment is a hot area of a heat dissipation path when the fans rotate forwards, determining that the air inlet area of the communication equipment is a cold area of the heat dissipation path when the fans rotate backwards, and determining that the rotation directions of the fans are reverse;
and under the condition that the temperature shown by the second temperature information is higher than the temperature shown by the first temperature information, determining that the air inlet area of the communication equipment is a cold area of the heat dissipation path when the fans rotate forwards, determining that the air inlet area of the communication equipment is a hot area of the heat dissipation path when the fans rotate backwards, and determining that the rotation directions of the fans are positive rotation.
13. The apparatus of claim 12, wherein the first temperature information and the second temperature information each comprise a temperature sensed by the plurality of temperature sensors; then the process of the first step is carried out,
the determining module is specifically configured to:
under the condition that the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information, the temperature shown by the first temperature information is determined to be larger than the temperature shown by the second temperature information; or,
determining that the temperature shown by the first temperature information is greater than the temperature shown by the second temperature information when the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information is greater than the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information; or,
determining that the temperature shown by the first temperature information is greater than the temperature shown by the second temperature information under the condition that the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the first temperature information are correspondingly greater than the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the second temperature information one by one;
or,
under the condition that the temperature values sensed by the temperature sensors exceeding the preset number in the second temperature information are all larger than the temperature values sensed by the temperature sensors exceeding the preset number in the first temperature information, determining that the temperature shown by the second temperature information is larger than the temperature shown by the first temperature information; or,
determining that the temperature shown by the second temperature information is greater than the temperature shown by the first temperature information under the condition that the average value of the temperatures sensed by the plurality of temperature sensors in the second temperature information is greater than the average value of the temperatures sensed by the plurality of temperature sensors in the first temperature information; or,
and under the condition that the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the second temperature information are greater than the weighted values of the temperatures respectively sensed by the plurality of temperature sensors in the first temperature information in a one-to-one correspondence manner, determining that the temperature shown by the second temperature information is greater than the temperature shown by the first temperature information.
14. The device of claim 11, wherein the receiving module is further configured to receive third temperature information sensed by a plurality of temperature sensors after the control module controls the plurality of fans to operate according to the determined steering direction;
the determining module is further configured to: determining the rotating speeds of the fans according to the third temperature information from the receiving unit;
the control module is further configured to: and controlling the fans to operate according to the rotating speed determined by the determining module.
15. The apparatus according to claim 14, wherein the determining module is specifically configured to:
receiving third temperature information sensed by the plurality of temperature sensors within a preset period;
under the condition that the temperature shown by the third temperature information received in the current period is higher than the temperature shown by the third temperature information received in the previous period, controlling to accelerate the rotating speeds of the fans, and under the condition that the temperature shown by the third temperature information received in the current period is lower than the temperature shown by the third temperature information received in the previous period, controlling to decelerate the rotating speeds of the fans; or,
and under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is greater than the temperature value sensed by the temperature sensor with the specified identifier in the last period, controlling to accelerate the rotating speed of the fan corresponding to the temperature sensor, and under the condition that the temperature value sensed by the temperature sensor with the specified identifier in the third temperature information in the current period is less than the temperature value sensed by the temperature sensor with the specified identifier in the last period, controlling to decelerate the rotating speed of the fan corresponding to the temperature sensor.
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| CN2012105073480A CN103019195A (en) | 2012-11-30 | 2012-11-30 | Radiating control system, method and device |
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| CN2012105073480A CN103019195A (en) | 2012-11-30 | 2012-11-30 | Radiating control system, method and device |
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Application publication date: 20130403 |