CN209979076U - Wireless temperature measurement monitoring device for switch cabinet - Google Patents
Wireless temperature measurement monitoring device for switch cabinet Download PDFInfo
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- CN209979076U CN209979076U CN201921091124.XU CN201921091124U CN209979076U CN 209979076 U CN209979076 U CN 209979076U CN 201921091124 U CN201921091124 U CN 201921091124U CN 209979076 U CN209979076 U CN 209979076U
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Abstract
The utility model discloses a wireless temperature measurement monitoring device of cubical switchboard relates to electricity generation and energy storage technical equipment field. The utility model comprises a temperature measuring module, wherein the temperature measuring module comprises a temperature sensor, a sampling filter circuit, a signal modulation and amplification circuit and a wireless transmitting circuit; the wireless transmitting circuit is in signal communication with the monitoring module, the monitoring module comprises a wireless temperature measurement receiving device in wireless communication with the wireless transmitting circuit, and the wireless temperature measurement receiving device is in signal connection with the monitoring host through a twisted pair; the monitoring host is in signal connection with the monitoring data server through a network, and the monitoring data server is also in signal connection with the data receiving terminal through the network; the induction end of the temperature sensor is connected with two alloy sheets for taking electricity, and the end parts of the alloy sheets are fixed through fixing clamping blocks; the problem that manual inspection and temperature measurement cannot be carried out in a power transmission switch cabinet of hydraulic power generation equipment in a narrow and small space is solved.
Description
Technical Field
The utility model relates to a electricity generation and energy storage technical equipment field, specific theory is a wireless temperature measurement monitoring device who is used in hydroelectric power generation equipment cubical switchboard.
Background
High-voltage switch cabinets are very important electrical equipment in power systems. Modern power systems have increasingly high requirements on the quality of electrical energy, and correspondingly have higher requirements on the reliability of high-voltage switch cabinets. The temperature rise of the switch cabinet exceeds the standard, the safe and stable operation of the equipment is directly influenced, moreover, the overheating problem is a constantly-developed process, if the overheating problem is not controlled, the overheating degree is constantly aggravated, and the performance of the insulating part and the service life of the equipment are greatly influenced. And the inside exposed high pressure that has of cubical switchboard, the space seals narrowly and narrowly, can't carry out artifical inspection temperature measurement, and this problem also is very difficult to solve effectively to traditional temperature measurement mode moreover.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wireless temperature measurement monitoring device of cubical switchboard to solve in the space seals narrow and small space, among hydroelectric power generation equipment's the transmission switch cabinet, can't carry out the problem of artifical inspection temperature measurement.
In order to solve the above problem, the utility model discloses a following technical means:
a switch cabinet wireless temperature measurement monitoring device comprises a temperature measurement module, wherein the temperature measurement module comprises a temperature sensor, the signal output end of the temperature sensor is connected with the signal input end of a sampling filter circuit, the signal output end of the sampling filter circuit is connected with the signal input end of a signal modulation amplification circuit, and the signal output end of the signal modulation amplification circuit is connected with the signal input end of a wireless transmitting circuit;
the signal output end of the wireless transmitting circuit is in signal communication with a monitoring module, the monitoring module comprises a wireless temperature measuring receiving device in wireless communication with the wireless transmitting circuit, and the wireless temperature measuring receiving device is in signal connection with a monitoring host through a twisted pair;
the monitoring host is in signal connection with a monitoring data server through a network, and the monitoring data server is also in signal connection with a data receiving terminal through the network;
the temperature sensor is characterized in that the sensing end of the temperature sensor is connected with two alloy sheets for taking electricity, the end parts of the alloy sheets are fixed through a fixed clamping block, and the temperature sensor is bound at a temperature measuring part through the alloy sheets and the fixed clamping block.
Furthermore, a WEB server is arranged in the monitoring host and can be accessed through a remote IE.
Preferably, the monitoring data server adopts a B/S framework and can be remotely accessed through IE.
Furthermore, the data receiving terminal comprises a mobile phone, a tablet and a PC.
Furthermore, a thermistor is arranged at the sensing end of the temperature sensor.
Furthermore, the filter circuit, the signal amplification circuit and the wireless transmitting circuit all obtain electricity from CT induction through the alloy sheet.
Furthermore, the alloy sheet is movably sleeved with a silica gel sleeve, and one surface of the silica gel sleeve, which faces the side wall part, is provided with a sawtooth structure.
Furthermore, the fixed clamping block comprises a supporting plate, soft pressing sheets are respectively installed on two opposite sides of the supporting plate, an insertion channel is formed between the soft pressing sheets and the supporting plate, each soft pressing sheet comprises a wrapping portion and a pressing portion, the pressing portions and the supporting plate are oppositely arranged, a threaded rod is further installed on the supporting plate, the threaded rod penetrates through the two pressing portions, a pressing nut is installed on the extending portion of the threaded rod, and the alloy sheet is inserted into the insertion channel.
The utility model discloses compare with the device of the unable artifical temperature measurement of common, have following beneficial effect: the utility model discloses an install temperature sensor in the cubical switchboard, after the temperature of this point of on-line measurement to wireless mode is uploaded data, concentrates the demonstration and realizes overtemperature alarm. The user can remotely monitor the running state of the equipment, and automatically and remotely alarm when the system finds abnormality so that a manager can eliminate accident potential in time; simultaneously, in order to ensure the subsequent dilatation ability of system and system response speed, the utility model discloses a layering, the distributed design of subregion. The whole system architecture mainly comprises the following three parts: the system comprises a data sensing layer (a temperature measuring module), a data acquisition layer (a monitoring module) and a data management layer (a monitoring data server). In the in-service use, the running state temperature of each monitoring point of cubical switchboard is felt in real time in succession to temperature sensor, and with measured data through wireless signal transmission to wireless temperature measurement receiving arrangement, temperature signal gets into in the monitoring host computer, the monitoring host computer passes through network transmission to monitoring data server with temperature signal again, final testing personnel can pass through data receiving terminal, also be exactly equipment such as cell-phones receive temperature data, thereby the temperature of cubical switchboard can be monitored in real time, effectual solution is in narrow and small space, the problem that testing personnel can't carry out the file and detect. Meanwhile, the temperature sensor is convenient to install, and the temperature sensor can be installed at a position to be detected only by winding the alloy sheets at the position of the switch to be detected and fixing the two alloy sheets by using the fixing clamping blocks. The disassembly only needs to disassemble the fixed clamping block, so that the temperature sensor can be adapted to measure more different parts, not only the cylindrical part or other different-shaped parts, but also the alloy sheet can be assembled in a winding and fixing mode.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic diagram of the temperature measuring module of the present invention.
Fig. 3 is a schematic diagram of the power supply principle of the alloy sheet as a temperature sensor.
Fig. 4 is a schematic structural diagram of the temperature measuring module of the present invention.
Fig. 5 is a schematic structural view of the fixing block of the present invention.
Fig. 6 is the side view structure schematic diagram of the fixed fixture block of the present invention.
Fig. 7 is a schematic view of the top view structure of the fixing block of the present invention.
The device comprises a shell 1, an alloy 2, a fixed clamping block 3, a supporting plate 31, a soft pressing sheet 32, a wrapping part 321, a pressing part 322, a silica gel sleeve 4, an insertion channel 5, a threaded rod 6, a pressing nut 7, a magnetic circuit 8 and an induction coil 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1, 2, 3 and 4, a switch cabinet wireless temperature measurement monitoring device includes a temperature measurement module, the temperature measurement module includes a temperature sensor, and a thermistor is disposed at a sensing end of the temperature sensor for sensing a temperature; the signal output end of the temperature sensor is connected with the signal input end of the sampling filter circuit, the signal output end of the sampling filter circuit is connected with the signal input end of the signal modulation amplification circuit, and the signal output end of the signal modulation amplification circuit is connected with the signal input end of the wireless transmitting circuit;
the signal output end of the wireless transmitting circuit is in signal communication with a monitoring module, the monitoring module comprises a wireless temperature measurement receiving device in wireless communication with the wireless transmitting circuit, the wireless temperature measurement receiving device is in signal connection with a monitoring host through a twisted pair, and a WEB server is arranged in the monitoring host and can be accessed through a remote IE;
the monitoring host is in signal connection with a monitoring data server through a network, the monitoring data server adopts a B/S framework and can be remotely accessed through IE, and meanwhile, the monitoring data server is also connected with a data receiving terminal through a network signal, and the data receiving terminal comprises a mobile phone, a tablet and a PC;
the temperature measurement module further comprises a shell 1, the temperature sensor, the sampling filter circuit, the signal modulation amplification circuit and the wireless transmitting circuit are all arranged in the shell 1, two alloy sheets 2 used for power supply are mounted on the shell 1, the filter circuit, the signal amplification circuit and the wireless transmitting circuit all obtain electricity from CT induction through the alloy sheets 2, the electricity obtaining principle can refer to that shown in figure 3, the alloy sheets 2 are wound on a temperature measurement part and collect current, the alloy sheets 2 generate magnetism through the current flowing through the alloy sheets, potential difference is induced in an induction coil 9 through the constraint of a magnetic circuit 8 to form a power supply, the end parts of the alloy sheets 2 are fixed through a fixed fixture block 3, and the temperature sensor is bound on the temperature measurement part through the alloy sheets 2 and the fixed fixture block 3.
In this embodiment, in order to ensure the subsequent dilatation ability of system and system response speed, the utility model discloses a layering, the distributed design of subregion. The whole system architecture mainly comprises the following three parts: the system comprises a data sensing layer, a data acquisition layer and a data management layer.
A data perception layer: mainly comprises a temperature measuring module; the operating state temperature of each monitoring point of the switch cabinet is continuously sensed in real time through the temperature sensor.
A data acquisition layer: the monitoring host is an EMS-2000 series monitoring host sold by science and technology companies, is connected with various temperature sensors and alarm equipment on site, is responsible for collecting and processing data sent by a data sensing layer, is set as a built-in WEB server, can be accessed through remote IE, has the functions of data acquisition, data processing, linkage control, alarm management, record storage and the like, has an incoming call self-starting function, and completely meets the requirement of long-time normal operation in 365 days in 24 hours.
A data management layer: the system comprises a monitoring data server, a data receiving terminal and the like, and is mainly responsible for collecting data uploaded by a monitoring host of a data monitoring layer.
Specifically, for the data sensing layer, the temperature measuring module includes a temperature sensor, a signal modulation and amplification circuit, a sampling filter circuit, a wireless transmitting circuit, and the like (see the schematic diagram in fig. 2), the temperature sensor mainly uses a thermistor mode, the thermistor is sensitive to temperature, different resistance values are shown at different temperatures along with the temperature, and meanwhile, the circuit obtains electricity from the CT through the induction coil 9 to work (see the schematic diagram in fig. 3 for the principle); the temperature sensor sends the acquired temperature signal to the wireless temperature measurement receiving device through a wireless network.
Moreover, the data of cell-phone is uploaded to the monitoring host computer through the twisted pair line to wireless temperature measurement receiving arrangement, and the monitoring host computer is with data transmission to the monitoring data server again in, and final measurement personnel can be through data receiving terminal, and equipment such as cell-phone also receives temperature data to can real-time supervision cubical switchboard's temperature, effectual solution in narrow and small space, the problem that measurement personnel can't carry out the file and detect. Meanwhile, the temperature sensor is convenient to install, and the temperature sensor can be installed at a position to be detected only by winding the alloy sheets at the position of the switch to be detected and fixing the two alloy sheets by using the fixing clamping blocks. The disassembly only needs to disassemble the fixed clamping block, so that the temperature sensor can be adapted to measure more different parts, not only the cylindrical part or other different-shaped parts, but also the alloy sheet can be assembled in a winding and fixing mode.
Example 2
On the basis of embodiment 1, please refer to fig. 4, 5, 6 and 7 again, a silica gel sleeve 4 is movably sleeved on the alloy sheet 2, the silica gel sleeve 4 is utilized to improve the connection strength between the alloy sheet and the fixed part when the alloy sheet is wound and fixed, and meanwhile, the property of good insulativity of the silica gel sleeve 4 is utilized to prevent the maintainers from being damaged due to the current on the alloy sheet 2 when the maintainers disassemble the alloy sheet 2, one side of the silica gel sleeve 4 facing the side part is provided with a sawtooth structure, and the sawtooth structure is utilized to combine the skid resistance of the silica gel sleeve 4 to greatly prevent the fixing sheet 4 from moving up and down so as to cause inaccurate and unstable temperature measurement;
in order to further detach and mount the alloy sheet 2, the fixing fixture block 3 comprises a support plate 31, soft pressing sheets 32 are respectively mounted on two opposite sides of the support plate 31, an insertion channel 5 is arranged between the soft pressing sheets 32 and the support plate 31, each soft pressing sheet 32 comprises a wrapping part 321 and a pressing part 322, the pressing parts 322 are arranged opposite to the support plate 31, a threaded rod 6 is further mounted on the support plate 31, the threaded rod 6 penetrates through the space between the two pressing parts 322, a pressing nut 7 is mounted on the extending part of the threaded rod 6, and the alloy sheet 2 is inserted into the insertion channel 5;
in the process of disassembly, the alloy sheet 2 is inserted into the insertion channel 5, one surface of the alloy sheet 2 is in contact with the supporting plate 31, the wrapping portion 321 is arranged on the side surface of the alloy sheet 2, the pressing portion 322 is arranged on the top surface of the alloy sheet 2, namely, the surface opposite to the supporting plate 31, the pressing nut 7 is rotated, the pressing portion 322 is deformed to press the alloy sheet 2 and the supporting plate 31 tightly, the pressing portion 322 can be used for improving the fastening effect of the pressing nut 7 on the alloy sheet 2, the phenomenon that the alloy sheet 2 is scratched by the pressing nut 7 can be effectively avoided, and abrasion of the alloy sheet 2 is reduced.
In this embodiment and the foregoing embodiments, the alloy sheet 2 is made of permalloy, the housing is made of flame-retardant plastic, and the starting current of the temperature sensor is greater than 5A. The temperature sensor corresponds to different installation positions:
in a withdrawable high-voltage switch cabinet: bus bar, touch head, cable lap joint and the like.
The low-voltage cabinet: outlet pile head, breaker inlet and outlet wire end.
Fixed high tension switchgear: bus bar, isolation knife switch, cable lap joint and the like.
Low-voltage switch cabinet: the hollow opening is used for incoming lines, outgoing lines, cable outgoing lines and the like.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a wireless temperature measurement monitoring device of cubical switchboard which characterized in that: the temperature measurement device comprises a temperature measurement module, wherein the temperature measurement module comprises a temperature sensor, the signal output end of the temperature sensor is connected with the signal input end of a sampling filter circuit, the signal output end of the sampling filter circuit is connected with the signal input end of a signal modulation amplification circuit, and the signal output end of the signal modulation amplification circuit is connected with the signal input end of a wireless transmitting circuit;
the signal output end of the wireless transmitting circuit is in signal communication with a monitoring module, the monitoring module comprises a wireless temperature measuring receiving device in wireless communication with the wireless transmitting circuit, and the wireless temperature measuring receiving device is in signal connection with a monitoring host through a twisted pair;
the monitoring host is in signal connection with a monitoring data server through a network, and the monitoring data server is also in signal connection with a data receiving terminal through the network;
the temperature measurement module further comprises a shell (1), the temperature sensor, the sampling filter circuit, the signal modulation amplifying circuit and the wireless transmitting circuit are arranged in the shell (1), two alloy sheets (2) used for supplying power are installed on the shell (1), the end portions of the alloy sheets (2) are fixed through a fixing clamping block (3), and the temperature sensor is bound on a temperature measurement position through the alloy sheets (2) and the fixing clamping block (3).
2. The switch cabinet wireless temperature measurement monitoring device according to claim 1, characterized in that: a WEB server is arranged in the monitoring host and can be accessed through remote IE.
3. The switch cabinet wireless temperature measurement monitoring device according to claim 1, characterized in that: the monitoring data server adopts a B/S framework and can carry out remote access through IE.
4. The switch cabinet wireless temperature measurement monitoring device according to claim 1, characterized in that: the data receiving terminal comprises a mobile phone, a tablet and a PC.
5. The switch cabinet wireless temperature measurement monitoring device according to claim 1, characterized in that: and a thermistor is arranged at the sensing end of the temperature sensor.
6. The switch cabinet wireless temperature measurement monitoring device according to claim 1, characterized in that: the filter circuit, the signal amplification circuit and the wireless transmitting circuit all obtain electricity from CT induction through the alloy sheet (2).
7. The switch cabinet wireless temperature measurement monitoring device according to claim 1, characterized in that: the alloy sheet (2) is movably sleeved with a silica gel sleeve (4), and one surface, facing the side wall part, of the silica gel sleeve (4) is provided with a sawtooth structure.
8. The switch cabinet wireless temperature measurement monitoring device according to claim 1, characterized in that: the fixed fixture block (3) comprises a support plate (31), soft pressing sheets (32) are respectively installed on two opposite sides of the support plate (31), an insertion channel (5) is formed between each soft pressing sheet (32) and the support plate (31), each soft pressing sheet (32) comprises a wrapping portion (321) and a pressing portion (322), each pressing portion (322) and the support plate (31) are oppositely arranged, a threaded rod (6) is further installed on the support plate (31), the threaded rod (6) penetrates through the two pressing portions (322), a pressing nut (7) is installed on the extending portion of the threaded rod (6), and the alloy sheet (2) is inserted into the insertion channel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091124.XU CN209979076U (en) | 2019-07-12 | 2019-07-12 | Wireless temperature measurement monitoring device for switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921091124.XU CN209979076U (en) | 2019-07-12 | 2019-07-12 | Wireless temperature measurement monitoring device for switch cabinet |
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| CN209979076U true CN209979076U (en) | 2020-01-21 |
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| CN201921091124.XU Active CN209979076U (en) | 2019-07-12 | 2019-07-12 | Wireless temperature measurement monitoring device for switch cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393822A (en) * | 2020-10-29 | 2021-02-23 | 江苏南瑞帕威尔电气有限公司 | Self-energy-taking wireless transmission integrated intelligent temperature measurement contact arm |
| CN113405692A (en) * | 2021-06-30 | 2021-09-17 | 国网江苏省电力有限公司徐州供电分公司 | Underground cable temperature measuring device, monitoring system and method |
-
2019
- 2019-07-12 CN CN201921091124.XU patent/CN209979076U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112393822A (en) * | 2020-10-29 | 2021-02-23 | 江苏南瑞帕威尔电气有限公司 | Self-energy-taking wireless transmission integrated intelligent temperature measurement contact arm |
| CN113405692A (en) * | 2021-06-30 | 2021-09-17 | 国网江苏省电力有限公司徐州供电分公司 | Underground cable temperature measuring device, monitoring system and method |
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