CN112562246A - Fire monitoring system for electrical equipment - Google Patents
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- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
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Abstract
The application discloses electrical equipment fire monitoring system relates to fire monitoring technical field. This electrical equipment fire monitoring system passes through the equipment temperature that infrared collection equipment gathered target electrical equipment, whether the conflagration takes place according to target electrical equipment's equipment temperature determination target electrical equipment, under the condition that equipment temperature is greater than first preset temperature threshold value, send first fire alarm signal and send the second fire alarm signal to second monitoring equipment to first monitoring equipment respectively, first monitoring equipment is used for carrying out fire alarm, second monitoring equipment is used for showing target electrical equipment's video image, the staff is after receiving the fire alarm information that first monitoring equipment sent like this, can look up the regional video image of conflagration through second monitoring equipment in step, thereby judge the condition of a fire fast and do and deal with.
Description
Technical Field
The application relates to the technical field of fire monitoring, in particular to an electrical equipment fire monitoring system.
Background
Electrical equipment such as capacitors, reactors, and the like are prone to generate heat during operation, and are high-power equipment for electrical fires. Therefore, fire monitoring of electrical equipment is very essential.
In the prior art, a method for monitoring fire of electrical equipment generally comprises the following steps: a smoke detector and a gas fire extinguishing device linked with the smoke detector are installed on the ceiling of a space where the electrical equipment is located. Wherein, the smoke detector is used for monitoring whether smog appears in electrical equipment to under the condition that smog appears, send control signal to gaseous fire extinguishing apparatus, gaseous fire extinguishing apparatus puts out a fire to electrical equipment after receiving control signal.
However, in practical applications, most of the electrical devices are installed outdoors, and due to the outdoor open environment, the smoke detector is not easy to install, and the smoke detector is easily affected by the outdoor weather environment, and is easily subjected to a missing detection condition, so that the above-mentioned technology cannot effectively monitor and warn the fire of the electrical devices installed outdoors.
Disclosure of Invention
Based on the above problem, the embodiment of the application provides an electrical equipment fire monitoring system that can effectively monitor and early warn electrical equipment installed outdoors.
An electrical equipment fire monitoring system for monitoring electrical equipment, the electrical equipment fire monitoring system comprising:
the infrared acquisition equipment is used for acquiring the equipment temperature and the video image of the target electrical equipment, comparing the equipment temperature with a first preset temperature threshold value, and generating a fire alarm signal under the condition that the equipment temperature is greater than or equal to the first preset temperature threshold value, wherein the fire alarm signal comprises a first fire alarm signal and a second fire alarm signal;
the first monitoring equipment is used for receiving the first fire alarm signal, acquiring equipment information of the target electrical equipment according to the first fire alarm signal and carrying out fire alarm according to the equipment information of the target electrical equipment;
and the second monitoring equipment is used for receiving the second fire alarm signal and calling and displaying the video image from the infrared acquisition equipment according to the second fire alarm signal.
In one embodiment of the present application, an infrared acquisition device includes an infrared camera, a processor, and a first switch, wherein:
the infrared camera is used for acquiring the equipment temperature and the video image of the target electrical equipment;
and the processor is used for comparing the equipment temperature with the first preset temperature threshold value and controlling the first switch to be closed to generate a first fire alarm signal under the condition that the equipment temperature is greater than or equal to the first preset temperature threshold value.
In one embodiment of the application, the electrical equipment fire monitoring system further comprises a signal conversion device, the signal conversion device is connected between the infrared acquisition device and the first monitoring device, and the signal conversion device is used for converting the electrical signal into a digital signal.
In one embodiment of the present application, the infrared collection device further comprises a second switch, wherein:
the processor is further used for comparing the equipment temperature with a second preset temperature threshold value under the condition that the equipment temperature is less than the first preset temperature threshold value, and controlling the second switch to be closed to generate a third fire alarm signal under the condition that the equipment temperature is greater than or equal to the second preset temperature threshold value;
the first monitoring equipment is also used for receiving a third fire alarm signal and carrying out fire early warning according to the third fire alarm signal.
In one embodiment of the present application, the infrared collection device further comprises a third switch, wherein:
the processor is also used for periodically testing the infrared camera to obtain a test result, and controlling the third switch to be closed to generate a fault early warning signal under the condition that the test result shows that a fault exists;
the first monitoring equipment is also used for receiving the fault early warning signal and carrying out fault early warning according to the fault early warning signal.
In an embodiment of the application, the processor is further configured to determine, according to the target electrical device, a first preset temperature threshold and a second preset temperature threshold corresponding to the target electrical device.
In one embodiment of the present application, the second monitoring device comprises a storage device, wherein:
the infrared acquisition equipment is also used for sending the video image to the storage equipment;
and the storage device is also used for receiving and storing the video image.
In one embodiment of the present application, the second monitoring device further comprises a microprocessor and a display device, wherein:
the microprocessor is used for sending a video calling instruction to the infrared acquisition equipment after receiving the second fire alarm signal, and the video calling instruction is used for calling a video image shot by the infrared acquisition equipment in real time;
the infrared acquisition equipment is also used for sending the video image to the display equipment after receiving the video calling instruction;
and the display equipment is used for receiving and displaying the video image.
In one embodiment of the present application, the first monitoring device comprises a fire fighting unit and a monitoring back-office, wherein,
the fire fighting unit is connected with the infrared acquisition equipment and is used for receiving the first fire alarm signal, acquiring equipment information, equipment temperature and test time of the target electrical equipment according to the first fire alarm signal, and generating fire message information according to the equipment information, the equipment temperature and the test time under the condition that the equipment temperature is greater than a first preset temperature threshold value;
and the monitoring background is used for carrying out fire alarm according to the fire message information.
In one embodiment of the present application, the fire fighting unit further comprises a fire fighting host and a fire fighting module, wherein,
the fire fighting module is connected with the fire fighting host and used for receiving the first fire alarm signal, acquiring equipment information, equipment temperature and test time of the target electrical equipment according to the first fire alarm signal and sending the equipment information, the equipment temperature and the test time to the fire fighting host;
and the fire fighting host is connected with the fire fighting module and used for receiving the equipment information, the equipment temperature and the test time, detecting whether the equipment temperature is greater than a first preset temperature threshold value or not, and generating fire message information according to the equipment information, the equipment temperature and the test time under the condition that the equipment temperature is greater than the first preset temperature threshold value.
The embodiment of the application provides an electrical equipment fire monitoring system is applied to monitoring electrical equipment, and this electrical equipment fire monitoring system includes: the infrared acquisition equipment is used for acquiring the equipment temperature and the video image of target electrical equipment, comparing the equipment temperature with a first preset temperature threshold value, and generating a fire alarm signal under the condition that the equipment temperature is greater than or equal to the first preset temperature threshold value, wherein the fire alarm signal comprises a first fire alarm signal and a second fire alarm signal; the first monitoring equipment is used for receiving the first fire alarm signal, acquiring equipment information of the target electrical equipment according to the first fire alarm signal and giving an alarm according to the equipment information of the target electrical equipment; and the second monitoring equipment is used for receiving the second fire alarm signal and calling and displaying the video image according to the second fire alarm signal. In the embodiment of the application, gather the equipment temperature of target electrical equipment through infrared collection equipment, whether the conflagration takes place for target electrical equipment is confirmed according to the equipment temperature of target electrical equipment, under the condition that equipment temperature is greater than first preset temperature threshold value, send first fire alarm signal and send the second fire alarm signal to second monitoring equipment to first monitoring equipment respectively, first monitoring equipment is used for carrying out fire alarm, second monitoring equipment is used for showing the video image of target electrical equipment, the staff can look up the regional video image of conflagration through the second monitoring equipment is synchronous after receiving the fire alarm information that first monitoring equipment sent like this, thereby judge the condition of a fire fast and do the processing.
Drawings
FIG. 1 is a block diagram of an electrical equipment fire monitoring system according to an embodiment of the present disclosure;
fig. 2 is a block diagram of an infrared collection device according to an embodiment of the present disclosure;
FIG. 3 is a block diagram of another electrical equipment fire monitoring system provided in accordance with an embodiment of the present application;
FIG. 4 is a block diagram of a first monitoring device provided in an embodiment of the present application;
FIG. 5 is a block diagram of a second monitoring device provided in an embodiment of the present application;
FIG. 6 is a block diagram of another infrared collection device provided in an embodiment of the present application;
fig. 7 is a schematic diagram of an electrical equipment fire monitoring system according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Electrical equipment such as capacitors and reactors are important reactive power compensation equipment in substations, and heat is easily generated during operation, and therefore, these electrical equipment are also high-power equipment for electrical fire, and therefore, fire monitoring for the electrical equipment is very necessary.
At present, the fire monitoring of indoor electrical equipment generally adopts smoke detector, gaseous fire extinguishing systems's of linkage mode, and wherein, smoke detector installs on the ceiling in electrical equipment place space, and when smoke detector detected the smog to appear in the indoor environment, can the quick start gaseous fire extinguishing systems put out a fire.
However, in practical applications, the electrical equipment is mostly installed outdoors, and the smoke detector is not easy to install due to the open environment outdoors. And the smoke detector is easily influenced by outdoor weather environment, such as windy weather, smoke is easily blown away, so that the smoke detector is easily subjected to missed detection, a fire disaster of electrical equipment installed outdoors cannot be found in time, and the smoke detector can only draw attention of operators or security guards when the fire intensity becomes large, so that the best fire extinguishing opportunity is missed, and huge loss is caused to a transformer substation.
On the other hand, in the prior art, under the condition that fire disaster occurs to the electrical equipment and smoke is generated, the smoke sensor can monitor the fire disaster, so that fire disaster early warning on the electrical equipment cannot be realized.
The embodiment of the application provides an electrical equipment fire monitoring system is applied to monitoring electrical equipment, and this electrical equipment fire monitoring system includes: the infrared acquisition equipment is used for acquiring the equipment temperature and the video image of target electrical equipment, comparing the equipment temperature with a first preset temperature threshold value, and generating a fire alarm signal under the condition that the equipment temperature is greater than or equal to the first preset temperature threshold value, wherein the fire alarm signal comprises a first fire alarm signal and a second fire alarm signal; the first monitoring equipment is used for receiving the first fire alarm signal, acquiring equipment information of the target electrical equipment according to the first fire alarm signal and giving an alarm according to the equipment information of the target electrical equipment; and the second monitoring equipment is used for receiving the second fire alarm signal and calling and displaying the video image according to the second fire alarm signal. In the embodiment of the application, gather the equipment temperature of target electrical equipment through infrared collection equipment, whether the conflagration takes place for target electrical equipment is confirmed according to the equipment temperature of target electrical equipment, under the condition that equipment temperature is greater than first preset temperature threshold value, send first fire alarm signal and send the second fire alarm signal to second monitoring equipment to first monitoring equipment respectively, first monitoring equipment is used for carrying out fire alarm, second monitoring equipment is used for showing the video image of target electrical equipment, the staff can look up the regional video image of conflagration through the second monitoring equipment is synchronous after receiving the fire alarm information that first monitoring equipment sent like this, thereby judge the condition of a fire fast and do the processing.
Referring to fig. 1, which shows a block diagram of an electrical equipment fire monitoring system 100 according to an embodiment of the present application, the electrical equipment fire monitoring system 100 is applied to monitor electrical equipment, and as shown in fig. 1, the electrical equipment fire monitoring system 100 includes: the monitoring system comprises an infrared acquisition device 101, a first monitoring device 102 and a second monitoring device 103, wherein the infrared acquisition device 101 is installed on a target electrical device to be monitored, the first monitoring device 102 is connected with the infrared acquisition device 103 through a cable, and the first monitoring device 102 can be, for example, a monitoring room of a transformer substation. The second monitoring device 103 is connected with the infrared acquisition device 101 in a wired or wireless manner, and the second monitoring device 103 is a computer device with a display screen.
In the embodiment of the application, the infrared acquisition device 101 is configured to acquire a device temperature and a video image of a target electrical device, compare the device temperature with a first preset temperature threshold, and generate a fire alarm signal when the device temperature is greater than or equal to the first preset temperature threshold, where the fire alarm signal includes a first fire alarm signal and a second fire alarm signal;
optionally, as shown in fig. 2, the infrared collection device 101 includes an infrared camera 1012, a processor 1011, and a first switch 1013, where the first switch 1013 is connected to the first monitoring device 102 through a cable, and the infrared camera 1012 may perform image shooting on the target electrical device to obtain a video image, and may test an infrared value of the target electrical device, where the infrared value may be used to represent a device temperature of the target electrical device. After measuring the device temperature and the video image, the infrared camera 1012 sends the device temperature and the video image to the processor 1011, a first preset temperature threshold is stored in the processor 1011 in advance, the processor 1011 can compare the magnitude relation between the device temperature and the first preset temperature threshold, when the device temperature is greater than or equal to the first preset temperature threshold, it is indicated that the target electrical device has a fire, and when the device temperature is less than the first preset temperature threshold, it is indicated that the target electrical device has no fire. In this embodiment, the processor 1011 may control the first switch 1013 to be closed when the device temperature is equal to or higher than the first preset temperature threshold, and generate the first fire alarm signal in response to the closing action of the first switch 1013.
In the embodiment of the application, the first preset temperature threshold is used for determining whether the target electrical equipment is in a fire disaster, and the first preset temperature thresholds corresponding to different target electrical equipment may be different because different target electrical equipment is made of different materials and has different fire-resistant points. Optionally, in this embodiment of the application, the processor 1011 of the infrared acquisition device may determine the first preset temperature threshold corresponding to the target electrical device according to the device information, such as the model and the type, of the target electrical device.
In this embodiment of the application, the target electrical device monitored by each infrared acquisition device is preset, so that after receiving the first fire alarm signal, the first monitoring device 102 may determine device information of the target electrical device according to the infrared acquisition device that sends the first fire alarm signal, where the device information may be, for example, information of a model, a type, an installation location, and the like of the target electrical device, and then the first monitoring device 102 may perform fire alarm according to the device information of the target electrical device.
Further, in this embodiment of the application, when the device temperature is greater than or equal to the first preset temperature threshold, the processor 1011 may further generate a second fire alarm signal, where the second fire alarm signal is a digital signal, and the infrared acquisition device may send the second fire alarm signal to the second monitoring device 103 through a network cable. The second monitoring device 103, upon receiving the second fire alarm signal, may retrieve and present the video image from the infrared collection device in accordance with the second fire alarm signal.
In an alternative implementation, as shown in fig. 3, the electrical equipment fire monitoring system 100 further includes a signal conversion device 104, the signal conversion device 104 is configured to convert an electrical signal into a digital signal, the signal conversion device 104 is connected between the infrared collection device 101 and the first monitoring device 102 through a cable, in this embodiment, after the first switch is closed, a first fire alarm signal is generated, the first fire alarm signal is an electrical signal, the conversion device is configured to convert the electrical signal into a digital signal, during the conversion process, the conversion device is configured to determine device information of the target electrical equipment according to the infrared collection device 101 that sent the first fire alarm signal, and add the device information to the converted first fire alarm signal, so that the conversion device can send the converted first fire alarm signal to the first monitoring device 102. Alternatively, the signal conversion device 104 may be a fire fighting module.
The embodiment of the application provides an electrical equipment fire monitoring system, gather the equipment temperature of target electrical equipment through infrared collection equipment, whether the conflagration takes place according to the equipment temperature of target electrical equipment is confirmed, under the condition that equipment temperature is greater than first predetermined temperature threshold value, send first fire alarm signal and send the second fire alarm signal to second monitoring equipment to first monitoring equipment respectively, for first monitoring equipment carries out fire alarm according to first fire alarm signal, supply second monitoring equipment to show the video image of target electrical equipment according to the second fire alarm signal, after receiving the conflagration alarm information that first monitoring equipment sent, the staff can look up the video image in conflagration region through second monitoring equipment in step like this, thereby judge the condition of a fire fast and do and deal with.
In an alternative implementation manner, as shown in fig. 4, in this embodiment of the application, the first monitoring device 400 may include a fire fighting unit 401 and a monitoring background 402, where the fire fighting unit 401 is configured to receive a first fire alarm signal, and obtain device information, a device temperature, and a testing time of a target electrical device according to the first fire alarm signal, and the fire fighting unit 401 may further compare the device temperature with a first preset temperature threshold, and generate fire message information according to the device information, the device temperature, and the testing time when the device temperature is greater than the first preset temperature threshold. The monitoring background 402 may receive the fire message information, and trigger an alarm to perform a first audible and visual alarm according to the fire message information, where the first audible and visual alarm refers to performing a fire alarm in a voice broadcast manner and an alarm light manner. Meanwhile, the monitoring background 402 may also scroll and display the fire message information on the display device, so that the staff can know the detailed information of the target electrical device in the fire.
Optionally, in this embodiment of the application, the fire fighting unit 401 further includes a fire fighting host 4011 and a fire fighting module 4012, where the fire fighting module 4012 is connected to the fire fighting host 4011, and the fire fighting module 4012 is configured to receive the first fire alarm signal, obtain device information, device temperature, and test time of the target electrical device according to the first fire alarm signal, and send the device information, the device temperature, and the test time to the fire fighting host.
The fire fighting host 4011 is configured to receive the device information, the device temperature, and the test time, detect whether the device temperature is greater than a first preset temperature threshold, and generate fire message information according to the device information, the device temperature, and the test time when the device temperature is greater than the first preset temperature threshold.
Optionally, in this embodiment of the application, as shown in fig. 4, the first monitoring device 400 further includes a fire fighting device 403, the fire fighting device 403 is connected to the fire fighting unit 401, the fire fighting device 403 includes a fire extinguisher, and the fire fighting device 403 is configured to fire the target electrical device by activating the fire extinguisher according to the first fire alarm signal.
In an optional implementation manner, in this embodiment of the application, the second monitoring device includes a storage device, where the storage device may be, for example, a network hard disk video recorder, and no matter what the magnitude relationship between the device temperature and the first preset temperature threshold is, the infrared acquisition device needs to send the video image to the storage device, and the storage device receives and stores the video image of the target electrical device. In the embodiment of the application, the historical video images are stored through the storage device, so that the information of the target electrical equipment can be acquired by checking the historical video images under the condition that a worker needs the historical video images, and the follow-up work is facilitated.
Optionally, in this embodiment of the application, as shown in fig. 5, the second monitoring device 500 may further include a microprocessor 501 and a display device 502, where after receiving the second fire alarm signal, the microprocessor 501501 may obtain the device temperature from the second fire alarm signal, the microprocessor 501 may compare the device temperature with a first preset temperature threshold, generate a video call instruction when the device temperature is greater than the first preset temperature threshold, and send the video call instruction to the infrared acquisition device, where the video call instruction is used to call a video image captured by the infrared acquisition device in real time. After receiving the video calling instruction, the infrared acquisition device sends the video image to the microprocessor 501 of the second monitoring device, and the microprocessor 501 of the second monitoring device can control the display device 502 to display the received video image. Through this kind of mode, when the conflagration took place for target electrical equipment, the video image of the target electrical equipment that takes place the conflagration can pop out automatically by second monitoring equipment to the staff looks up the video image in conflagration region, thereby judges the condition of a fire fast and does the processing.
It should be noted that, in the embodiment of the present application, after receiving the video call instruction, the infrared acquisition device still sends the video image to the storage device of the second monitoring device while sending the video image to the microprocessor 501 of the second monitoring device.
In order to implement fire early warning for electrical equipment installed outdoors, another infrared acquisition device is provided in this embodiment of the present application, and as shown in fig. 6, the infrared acquisition device 600 includes an infrared camera 602, a processor 601, a first switch 603, and a second switch 604, where the second switch 604 is connected to a first monitoring device. However, in practical applications, there is a process of fire occurrence, and the device temperature of the electrical device also gradually rises, and in a case that it is determined that the electrical device is not in a fire, it is necessary to detect the current risk of fire occurrence of the electrical device. If the equipment temperature is larger than or equal to the second preset temperature threshold value, the temperature rise of the target electrical equipment is shown, and the temperature rise amplitude is large, so that the risk of fire disaster of the target electrical equipment is shown. If the device temperature is lower than the second preset temperature threshold, it may be default that the temperature of the target electrical device is not greatly increased, that is, the target electrical device does not have the risk of fire.
In this embodiment, under the condition that the device temperature is greater than or equal to the second preset temperature threshold, that is, the target electrical device has a risk of fire, the processor 601 may control the second switch 604 to be closed to generate a third fire signal, and send the third fire signal to the signal conversion device through the cable, the signal conversion device converts the electrical signal into a digital signal, so as to obtain the converted third fire signal, and send the converted third fire signal to the first monitoring device, and the first monitoring device may perform fire early warning according to the third fire signal.
Optionally, in this embodiment of the application, the first monitoring device may include a fire fighting unit and a monitoring background, where the fire fighting unit is connected to the infrared acquisition device, and is configured to receive a third fire alarm signal, and acquire device information, a device temperature, and a test time of the target electrical device according to the third fire alarm signal, and the fire fighting unit may further compare the device temperature with a first preset temperature threshold and a second preset temperature threshold, and generate fire early warning information according to the device information, the device temperature, and the test time when the device temperature is less than or equal to the first preset temperature threshold and greater than the second preset temperature threshold. And triggering an alarm to carry out second acousto-optic alarm according to the fire early warning information, wherein the colors of the voice of the second acousto-optic alarm and the alarm light can be different from that of the first acousto-optic alarm. Meanwhile, the monitoring background can also display the information of the pre-warning messages in a rolling manner on the display equipment, so that the working personnel can know the detailed information of the target electrical equipment with the fire risk.
In this application embodiment, the second preset temperature threshold is used to determine whether the target electrical device has a risk of fire, and the second preset temperature thresholds corresponding to different target electrical devices may be different because different target electrical devices are made of different materials. Optionally, in this embodiment of the application, the processor of the infrared acquisition device may determine the second preset temperature threshold corresponding to the target electrical device according to the device information, such as the model and the type, of the target electrical device.
In another embodiment of the present application, when monitoring outdoor electrical equipment, influenced by outdoor harsh environment, the infrared acquisition device is prone to malfunction, and the malfunction of the infrared acquisition device may cause a failure in monitoring fire of the electrical equipment. Optionally, a signal conversion device may be disposed between the third switch 605 and the first monitoring device, the fault early-warning signal is converted from an electrical signal to a digital signal by the signal conversion device, and is sent to the first monitoring device after conversion, after receiving the fault early-warning signal, the first monitoring device may trigger the alarm to perform a third audible and visual alarm, and the sound and light color of the third audible and visual alarm may be different from those of the first audible and visual alarm and the second audible and visual alarm. Then, first monitoring facilities can acquire the equipment information of infrared collection equipment that breaks down according to the trouble early warning signal, for example according to the equipment information editing of infrared collection equipment and generate trouble early warning information, roll the broadcast with trouble early warning information on first monitoring facilities's display screen to the staff learns infrared collection equipment and breaks down.
Next, the electrical equipment fire monitoring system provided in this embodiment of the present application is described in combination with an actual application scenario, as shown in fig. 7, the electrical equipment fire monitoring system in this embodiment of the present application is composed of an infrared acquisition device, a first monitoring device and a second monitoring device, wherein the first monitoring device and the infrared acquisition device constitute an automatic monitoring system, the second monitoring device and the infrared acquisition device constitute a video monitoring system, wherein, in fig. 7, the infrared acquisition device is an infrared camera 1, the first monitoring device includes a fire protection unit and a monitoring background, wherein the fire protection unit includes a fire protection module 2 and a fire protection host 3, and the monitoring background includes a common measurement and control device 4, a network switch 5 and a monitoring background machine 6. The automatic monitoring system is arranged in a safety I area of the power system. The second monitoring equipment comprises a network switch 8, a network hard disk video recorder 9 and a video host 7, and the video monitoring system is arranged in a power system safety III area.
As shown in fig. 7, in the fire monitoring system for electrical equipment, an output passive contact of an infrared camera 1 is connected to a fire fighting module 2 through a cable 10, the fire fighting module 2 connects a first fire alarm signal output by the infrared camera 1 to a fire fighting host 3 through a cable 11, the output passive contact of the fire fighting host 3 is connected to a common measurement and control device 4 through a cable 12, the common measurement and control device 4 is connected to a network switch 5 through a network cable 13, and a monitoring background machine 6 is connected to the network switch 5 through a network cable 14. The method comprises the steps that an infrared camera 1 collects equipment temperature and video images of target electrical equipment, the equipment temperature and a first preset temperature threshold value are compared, when the equipment temperature is larger than or equal to the first preset temperature threshold value, a first switch of the infrared camera 1 is closed, a signal conversion device converts action signals of the infrared camera 1 and sends the action signals to a fire protection module 2, the fire protection module 2 obtains equipment information, equipment temperature and test time of the target electrical equipment and sends the information to a fire protection host machine 3, the fire protection host machine 3 displays fire information of the target electrical equipment, a fire protection alarm passive contact of the fire protection host machine 3 is closed, a public measurement and control device 4 receives a fire protection alarm action signal of the fire protection host machine 3 and sends related light words and message information to a monitoring background machine 6 through a network switch 5, and the monitoring background machine 6 displays a light word board and message information of the fire protection alarm, and the sound equipment is started to alarm, so that the substation operation on-duty personnel can quickly know the equipment fire alarm.
In a video system of the fire monitoring system of the electrical equipment, an infrared camera 1 is connected with a network switch 8 through a network cable 17, a network hard disk video recorder 9 is connected with the network switch 8 through a network cable 16, and a video host 7 is connected with the network switch 8 through a network 15. The network hard disk video recorder 9 is used for storing historical video images, so that the video host 7 can call the video images of the infrared camera 1 at any time; in addition, when infrared camera 1 confirms that equipment temperature is more than or equal to when first predetermined temperature threshold value, video host 7 can receive the second fire alarm signal that infrared camera 1 sent, and send the video instruction of transferring to infrared camera 1 based on the second fire alarm signal, can pop out the video picture of infrared camera 1 automatically on video host 7's display screen based on the video instruction of transferring, make the transformer substation operate the video image that the personnel on duty can look up the conflagration region in step when monitoring back end machine 6 sends "fire control fire alarm", thereby judge the condition of a fire fast and accurately and deal with.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An electrical equipment fire monitoring system for monitoring electrical equipment, the electrical equipment fire monitoring system comprising:
the infrared acquisition equipment is used for acquiring the equipment temperature and the video image of target electrical equipment, comparing the equipment temperature with a first preset temperature threshold value, and generating a fire alarm signal under the condition that the equipment temperature is greater than or equal to the first preset temperature threshold value, wherein the fire alarm signal comprises a first fire alarm signal and a second fire alarm signal;
the first monitoring equipment is used for receiving the first fire alarm signal, acquiring equipment information of the target electrical equipment according to the first fire alarm signal and performing fire alarm according to the equipment information of the target electrical equipment;
and the second monitoring equipment is used for receiving the second fire alarm signal and calling and displaying the video image from the infrared acquisition equipment according to the second fire alarm signal.
2. The electrical equipment fire monitoring system of claim 1, wherein the infrared collection device comprises an infrared camera, a processor, and a first switch, wherein:
the infrared camera is used for acquiring the equipment temperature and the video image of the target electrical equipment;
the processor is used for comparing the equipment temperature with a first preset temperature threshold value and controlling the first switch to be closed to generate the first fire alarm signal when the equipment temperature is greater than or equal to the first preset temperature threshold value.
3. The electrical equipment fire monitoring system of claim 2, further comprising a signal conversion device connected between the infrared collection device and the first monitoring device, the signal conversion device configured to convert an electrical signal to a digital signal.
4. The electrical equipment fire monitoring system of claim 2, wherein the infrared collection device further comprises a second switch, wherein:
the processor is further configured to compare the device temperature with a second preset temperature threshold value when the device temperature is less than the first preset temperature threshold value, and control the second switch to be closed to generate a third fire alarm signal when the device temperature is greater than or equal to the second preset temperature threshold value;
and the first monitoring equipment is also used for receiving the third fire alarm signal and carrying out fire early warning according to the third fire alarm signal.
5. The electrical equipment fire monitoring system of claim 4, wherein the infrared collection device further comprises a third switch, wherein:
the processor is further configured to perform periodic testing on the infrared camera to obtain a test result, and control the third switch to be closed to generate a fault early warning signal when the test result indicates that a fault exists;
the first monitoring equipment is also used for receiving the fault early warning signal and carrying out fault early warning according to the fault early warning signal.
6. The electrical equipment fire monitoring system of claim 4,
the processor is further configured to determine, according to the target electrical device, the first preset temperature threshold and the second preset temperature threshold corresponding to the target electrical device.
7. The electrical equipment fire monitoring system of claim 1, wherein the second monitoring device includes a storage device, wherein:
the infrared acquisition equipment is also used for sending the video image to the storage equipment;
the storage device is further used for receiving and storing the video image.
8. The electrical equipment fire monitoring system of claim 7, wherein the second monitoring device further comprises a microprocessor and a display device, wherein:
the microprocessor is used for sending a video calling instruction to the infrared acquisition equipment after receiving the second fire alarm signal, and the video calling instruction is used for calling a video image shot by the infrared acquisition equipment in real time;
the infrared acquisition equipment is further used for sending the video image to the display equipment after receiving the video calling instruction;
and the display equipment is used for receiving and displaying the video image.
9. The electrical equipment fire monitoring system of claim 1, wherein the first monitoring device includes a fire protection unit and a monitoring back-office, wherein,
the fire fighting unit is connected with the infrared acquisition equipment and is used for receiving the first fire alarm signal, acquiring equipment information, equipment temperature and test time of the target electrical equipment according to the first fire alarm signal, and generating fire message information according to the equipment information, the equipment temperature and the test time under the condition that the equipment temperature is greater than a first preset temperature threshold value;
and the monitoring background is used for carrying out fire alarm according to the fire message information.
10. The electrical equipment fire monitoring system of claim 9, wherein the fire protection unit further comprises a fire protection main unit and a fire protection module, wherein,
the fire fighting module is connected with the fire fighting host and used for receiving the first fire alarm signal, acquiring equipment information, equipment temperature and test time of the target electrical equipment according to the first fire alarm signal, and sending the equipment information, the equipment temperature and the test time to the fire fighting host;
the fire fighting host is connected with the fire fighting module and used for receiving the equipment information, the equipment temperature and the test time, detecting whether the equipment temperature is greater than a first preset temperature threshold value or not, and generating the fire message information according to the equipment information, the equipment temperature and the test time under the condition that the equipment temperature is greater than the first preset temperature threshold value.
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