CN220367365U - Wireless passive temperature measurement system of switch cabinet - Google Patents
Wireless passive temperature measurement system of switch cabinet Download PDFInfo
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- CN220367365U CN220367365U CN202321959325.3U CN202321959325U CN220367365U CN 220367365 U CN220367365 U CN 220367365U CN 202321959325 U CN202321959325 U CN 202321959325U CN 220367365 U CN220367365 U CN 220367365U
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 12
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 17
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a wireless passive temperature measurement system of a switch cabinet, which comprises: the temperature detection module is used for measuring the temperature in the switch cabinet; the temperature acquisition module is used for configuring a label of the temperature detection module, acquiring and storing temperature data of the temperature detection module and carrying out temperature upper limit alarm; the temperature display module is used for reading and displaying temperature data and alarm data of the temperature acquisition module; the transparent transmission module is used for acquiring temperature data and alarm data of the temperature acquisition module and uploading communication; and the terminal management module is used for acquiring real-time and historical temperature data and alarm data and configuring the temperature detection module. According to the utility model, the temperature detection module provided with the RFID antenna is arranged near the temperature measurement terminal, power supply is not needed, wireless passive connection is realized with the temperature acquisition module, the temperature in the switch cabinet and elements in the cabinet are monitored in real time, a basis is provided for finding out overheat faults and fault analysis in advance, the service life is long, the measurement is accurate, and the installation and the deployment are easy.
Description
Technical Field
The utility model relates to the technical field of switch cabinet monitoring, in particular to a wireless passive temperature measurement system of a switch cabinet.
Background
The high-voltage switch cabinet is an important electrical device in a power system, and important elements in the switch cabinet, such as a breaker contact, a cable and the like, can cause overlarge contact resistance and heat due to large long-term load, aging and the like. The heating can cause the high-voltage switch cabinet to fail, so that the safe operation of equipment is affected, and the electric safety accidents such as tripping, fire and even explosion are caused.
The formation of the heating fault of the high-voltage switch cabinet usually has a step-up process, and if the temperature change condition of the important part of the high-voltage switch cabinet can be timely monitored, the fault can be timely found, so that the reliability of power supply is improved.
Disclosure of Invention
The utility model aims to provide a wireless passive temperature measurement system of a switch cabinet, which is used for realizing wireless passive temperature detection and real-time alarm of the switch cabinet, reducing on-site cable deployment and reducing potential safety hazards.
The utility model solves the technical problems by adopting the following technical scheme:
a wireless passive temperature measurement system for a switchgear, comprising: the temperature detection module is used for measuring the temperature in the switch cabinet; the temperature acquisition module is used for configuring a label of the temperature detection module, acquiring and storing temperature data of the temperature detection module and carrying out temperature upper limit alarm; the temperature display module is used for reading and displaying temperature data and alarm data of the temperature acquisition module; the transparent transmission module is used for acquiring temperature data and alarm data of the temperature acquisition module and uploading communication; and the terminal management module is used for acquiring real-time and historical temperature data and alarm data and configuring the temperature detection module.
Preferably, the temperature detection module includes: the device comprises a fixed contact sensor, a buckle sensor and a tuning fork sensor.
Preferably, the static contact sensor, the buckle sensor and the voice fork sensor are provided with RFID antennas.
Preferably, the temperature acquisition module is provided with an external SMA antenna interface for automatic tuning of the antenna and detection of the antenna.
Preferably, the transparent module comprises a LoRa gateway and a LoRa transparent unit, the temperature acquisition module is connected with the LoRa transparent unit through RJ45 and RS485 communication interfaces, and the terminal management module is connected with the LoRa transparent unit through an Ethernet.
Preferably, the temperature measuring range of the temperature detection module is-40-150 degrees.
Preferably, the transparent transmission module can be simultaneously connected with 127 temperature detection modules.
According to the utility model, the RFID antenna is arranged near the temperature measuring terminal through the temperature detecting module provided with the RFID antenna, power supply is not needed, the temperature collecting module is arranged in the low-pressure chamber of the high-voltage cabinet, wireless passive connection is realized with the temperature collecting module, the temperature in the switch cabinet and elements in the cabinet are monitored in real time, a basis is provided for finding out overheat faults and fault analysis in advance, the service life is long, the measurement is accurate, and the installation and the deployment are easy.
Drawings
FIG. 1 is a schematic diagram of the connection of the present utility model;
the labels in the figures are: 1-a temperature detection module; 2-a temperature acquisition module; 3-a temperature display module; 4-a transparent transmission module; 5-a terminal management module; 6-a static contact sensor; 7-a snap-fit sensor; 8-tuning fork sensor.
Detailed Description
The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.
Example 1
The embodiment provides a wireless passive temperature measurement system of cubical switchboard, include: the temperature detection module 1 is used for measuring the temperature in the switch cabinet; the temperature acquisition module 2 is used for configuring a label of the temperature detection module 1, acquiring and storing temperature data of the temperature detection module 1 and carrying out temperature upper limit alarm; the temperature display module 3 is used for reading and displaying temperature data and alarm data of the temperature acquisition module 2; the transparent transmission module 4 is used for acquiring the temperature data and the alarm data of the temperature acquisition module 2 and uploading and communicating; the terminal management module 5 reads and stores the temperature data, the alarm record and the history record, and displays a temperature curve, a history curve and the alarm record.
In a further implementation manner of the present embodiment, the temperature detection module 1 includes: the static contact sensor 6, the buckle sensor 7 and the tuning fork sensor 8 are fixed on the movable contact, the static contact and the busbar bolts and are connected with the acquisition unit of the instrument room through the antenna placed in the busbar room, and temperature data of a to-be-measured point is monitored in real time.
Further implementation of this embodiment, the stationary contact sensor 6, the snap sensor 7 and the voice fork sensor 8 are provided with RFID antennas.
In a further implementation manner of the embodiment, the temperature acquisition module 2 is provided with four external SMA antenna interfaces for automatic tuning of the antenna and detection of the antenna, and is integrated with 1-path wired ethernet communication interfaces for uploading monitoring data to the terminal management module 5; the RS485 communication is supported, the monitoring system can be used for being connected with a data display terminal, local display of monitoring data is realized, loRa communication and Ethernet communication are supported, the number of cables laid in a switch cabinet is reduced, and potential safety hazards are reduced; the distance that the temperature acquisition module 2 reads the temperature detection unit is 3m.
In a further implementation manner of this embodiment, the transparent transmission module 4 includes a LoRa gateway and a LoRa transparent transmission unit, the LoRa gateway communicates with the temperature acquisition module 2, reads the tag temperature data and the alarm value, and stores the temperature data and the alarm data; the LoRa transmission unit realizes the acquisition function of monitoring data of a plurality of temperature measurement acquisition units on site, so that the monitoring data transmission is wireless, the field communication cable laying is reduced, the influence on the original system of the switch cabinet is reduced, the bidirectional transparent transmission function of the LoRa gateway and the Ethernet RJ45 and RS485 communication interfaces can be realized, and the terminal management module 5 is connected with the LoRa transmission unit through the Ethernet and uploads the temperature data and the alarm data.
In a further embodiment of the present embodiment, the temperature measurement ranges of the static contact sensor 6, the buckle sensor 7 and the voice fork sensor 8 are-40 ° -150 °.
In a further implementation manner of this embodiment, 127 temperature detection modules 1 may be connected to the transparent transmission module 4 at the same time.
In a further implementation manner of the embodiment, the temperature display module 3 is provided with a liquid crystal display screen, and the design of a wide power supply of 85-264 VAC is adopted, so that electricity can be conveniently taken from an instrument room; the display terminal is integrated with 1 path of RS485 communication interface, and can be connected with the collector to acquire and display real-time temperature monitoring data; the display terminal has the functions of historical monitoring temperature inquiry and temperature alarm record inquiry.
In a further implementation manner of the embodiment, the utility model is configured according to the number of temperature measuring points of the switch cabinet, and takes 12 temperature measuring points and 10 cabinets of each high-voltage cabinet as an example:
temperature detection module 1:12 x 10 bins = 120; temperature acquisition module 2:10 face cabinets/2 (2 cabinets share one temperature acquisition unit) =5; temperature display module 3:5 (optionally, used together with the temperature acquisition module 2, the number of the temperature acquisition units is not more than at most); loRa transmission unit: 1 station; loRa gateway: 1 station.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. A wireless passive temperature measurement system for a switchgear, comprising: the temperature detection module is used for measuring the temperature in the switch cabinet; the temperature acquisition module is used for configuring a label of the temperature detection module, acquiring and storing temperature data of the temperature detection module and carrying out temperature upper limit alarm; the temperature display module is used for reading and displaying temperature data and alarm data of the temperature acquisition module; the transparent transmission module is used for acquiring the temperature data and the alarm data of the temperature acquisition module and uploading communication; and the terminal management module is used for acquiring real-time and historical temperature data and alarm data and configuring the temperature detection module.
2. The switchgear wireless passive temperature measurement system of claim 1, wherein the temperature detection module comprises: the device comprises a fixed contact sensor, a buckle sensor and a tuning fork sensor.
3. The switch cabinet wireless passive temperature measurement system of claim 2, wherein the stationary contact sensor, the buckle sensor and the audio sensor are provided with RFID antennas.
4. The switch cabinet wireless passive temperature measurement system according to claim 1, wherein the temperature acquisition module is provided with an external SMA antenna interface for automatic tuning of the antenna and antenna detection.
5. The wireless passive temperature measurement system of the switch cabinet according to claim 1, wherein the transparent transmission module comprises a LoRa gateway and a LoRa transparent transmission unit, the temperature acquisition module is connected with the LoRa transparent transmission unit through RJ45 and RS485 communication interfaces, and the terminal management module is connected with the LoRa transparent transmission unit through an Ethernet.
6. The wireless passive temperature measurement system of claim 1, wherein the temperature measurement range of the temperature detection module is-40 ° -150 °.
7. The wireless passive temperature measurement system of claim 1, wherein 127 temperature detection modules can be connected to the transparent transmission module simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959325.3U CN220367365U (en) | 2023-07-25 | 2023-07-25 | Wireless passive temperature measurement system of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321959325.3U CN220367365U (en) | 2023-07-25 | 2023-07-25 | Wireless passive temperature measurement system of switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220367365U true CN220367365U (en) | 2024-01-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321959325.3U Active CN220367365U (en) | 2023-07-25 | 2023-07-25 | Wireless passive temperature measurement system of switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220367365U (en) |
-
2023
- 2023-07-25 CN CN202321959325.3U patent/CN220367365U/en active Active
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