CN204903023U - Cubical switchboard wireless temperature measuring device - Google Patents
Cubical switchboard wireless temperature measuring device Download PDFInfo
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- CN204903023U CN204903023U CN201520590298.6U CN201520590298U CN204903023U CN 204903023 U CN204903023 U CN 204903023U CN 201520590298 U CN201520590298 U CN 201520590298U CN 204903023 U CN204903023 U CN 204903023U
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Abstract
The utility model discloses a cubical switchboard wireless temperature measuring device, including temperature data collection terminal and data processing module, the temperature data collection terminal include that singlechip, temperature sensor, high pressure get that circuit, node address set up the mould and wireless transmitting module constitutes, the cable joint of temperature sensor and cubical switchboard link to each other, temperature sensor loops through singlechip and wireless transmitting module with the temperature signal who detects and sends data processing module, data processing module include wireless receiving module, data transmission module, temperature detection module, temperature display module, alarm module, the wireless receiving module with received temperature signal loop through the data transmission module, temperature detection module transmits temperature display module to. The utility model discloses can real -time supervision to the temperature of each node, simple structure, convenient to use.
Description
Technical field
The utility model relates to a kind of wireless temperature measuring device, is specifically related to a kind of wireless temperature measuring device for switch cabinet.
Background technology
High-tension switch cabinet is one of transformer station, the most important electrical equipment of power plant.In equipment During Process of Long-term Operation, the positions such as the isolating switch in switch cubicle and the attachment plug between switch cubicle bad and agingly can cause contact resistance excessive and generate heat because manufacturing, transporting, install, if the temperature of these heating positions cannot be monitored, can not get timely maintenance, then the fire failure of burning switch cubicle finally can be caused to occur.In recent years, all there is switch cubicle overheat accident in a lot of generating plant and transformer station, caused fire and large area blackout.Solve switch cubicle problems of excessive heat, prevention is crucial." State Grid Corporation of China's 18 great anti-accident measures of electrical network " 11.7.2 article clearly proposes: regularly with the connector portions of infrared thermometry equipment inspection switchgear, the current-carrying part (keypoint part: contact, wire outlet seat etc.) of disconnector, particularly in heavy load or between the pliotherm period, strengthen the supervision to operational outfit temperature rise, pinpoint the problems and should take measures in time.Taken appropriate measures by the ruuning situation of contact temperature in monitoring switch cabinet, can prevent the fire of switch cubicle from occurring timely and effectively.But due to the totally-enclosed operation of switch cubicle, inner space narrow and small and and there is exposed high pressure, thermometric of cannot manually patrolling, therefore realizing on-line temperature monitoring becomes the important means ensureing high-tension switch cabinet safe operation.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides a kind of wireless temperature measuring device for switch cabinet, can detector switch cabinet inner cable temperature in real time, and can wireless transmission temperature signal.
The utility model is achieved by the following technical solution: a kind of wireless temperature measuring device for switch cabinet, comprise temperature acquisition terminal and data processing module, described temperature acquisition terminal comprises single-chip microcomputer, temperature sensor, high pressure power-supply circuit, node address arranges mould and wireless transmitter module composition, described temperature sensor is connected with the cable splice of switch cubicle, the temperature signal detected is sent to data processing module by single-chip microcomputer and wireless transmitter module by temperature sensor successively, described data processing module comprises wireless receiving module, data transmission module, temperature detecting module, temperature display module, alarm module, the temperature signal received is passed through data transmission module by described wireless receiving module successively, temperature detecting module is transferred to temperature display module.
Further, described node address arranges mould for gathering the address number corresponding to this temperature value.
Further, described high pressure power-supply circuit provides working power to single-chip microcomputer.
Further, described temperature detecting module is also connected with alarm module.
Further, described data transmission module is made up of master controller and RS485 bus, the preferred STM32F103 single-chip microcomputer of master controller.
The utility model compared to existing technology, there is following beneficial effect: the utility model overcomes the characteristics such as optical fiber temperature-measurement easily broken non-refractory easy to break, turn avoid the shortcoming that infrared measurement of temperature is higher to environmental requirement, the temperature of each node can be real-time monitored, structure is simple, easy to use, the temperature of collection contact that can be real-time, round-the-clock on-line monitoring, directly wirelessly transmit data, the problems such as thorough solution high_voltage isolation, man efficiency are low, make the operation of system more safe and reliable, pinpoint the problems and take appropriate measures in time.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Wherein: 1-1 temperature acquisition terminal, 1-2 temperature sensor, 1-3 single-chip microcomputer, 1-4 node address arrange mould, 1-5 high pressure power-supply circuit, 1-6 wireless transmitter module, 2-1 data processing module, 2-2 wireless receiving module, 2-3 data transmission module, 2-4 temperature detecting module, 2-5 temperature display module, 2-6 alarm module.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1.A kind of wireless temperature measuring device for switch cabinet, comprise temperature acquisition terminal 1-1 and data processing module 2-1, described temperature acquisition terminal 1-1 comprises single-chip microcomputer 1-3, temperature sensor 1-2, high pressure power-supply circuit 1-5, node address arranges mould 1-4 and wireless transmitter module 1-6 and forms, described temperature sensor 1-2 is connected with the cable splice of switch cubicle, the temperature signal detected is sent to data processing module 2-1 by single-chip microcomputer 1-3 and wireless transmitter module 1-6 by temperature sensor 1-2 successively, described data processing module 2-1 comprises wireless receiving module 2-2, data transmission module 2-3, temperature detecting module 2-4, temperature display module 2-5, alarm module 2-6, described wireless receiving module 2-2 by the temperature signal that receives successively by data transmission module 2-3, temperature detecting module 2-4 is transferred to temperature display module 2-5.
Further, described node address arranges mould 1-4 for gathering the address number corresponding to this temperature value.
Further, described high pressure power-supply circuit 1-5 provides working power to single-chip microcomputer 1-3.
Further, described temperature detecting module 2-4 is also connected with alarm module 2-6.
Further, described data transmission module 2-3 is made up of master controller and RS485 bus, the preferred STM32F103 single-chip microcomputer of master controller.
Principle of work of the present utility model is as follows: the utility model comprises temperature acquisition terminal 1-1 and data processing module 2-1 two part composition.Temperature acquisition terminal 1-1 is responsible for gathering the temperature on the contact of each road, and the temperature information and address information that collect is sent by wireless transmitter module 1-6, after data processing module 2-1 receives wireless signal, temperature signal is directly shown on temperature display module 2-5 panel, differentiate that whether temperature is beyond the temperature threshold set simultaneously, if transfinited, namely trigger alarm module 2-6 sends alerting signal.
Technology for the monitoring of high-tension apparatus contact running temperature mainly contains infrared measurement of temperature, optical fiber temperature-measurement and wireless temperature measurement, fibre optic temperature sensor 1-2 adopts fiber optic transmission temperature signal, measuring accuracy is also higher, but, optical fiber surface for isolated high-voltage may be polluted, and will cause optical fiber creeping discharge.This makes optical fiber temperature measurement system be restricted for the temperature measuring application of outdoor switch equipment.Infrared measurement of temperature is contactless temperature-measuring, be subject to environment and the interference of electromagnetic field around, space in addition in switch cubicle is very narrow and small, (cannot must keep certain safe distance with testee because of probe by installation infrared temperature probe, and need just to the surface of testee), and wireless temperature measurement system is not by the restriction of switch cabinet structure, adopt electromagnetic transmission signal, sensor is directly installed on high-tension apparatus, temperature survey is accurate, electric insulation problem can be solved, the feature of wireless temperature measurement system is the impact of not climate environment, can the temperature of measuring chamber external switch and bus contact joint.
Claims (5)
1. a wireless temperature measuring device for switch cabinet, it is characterized in that: comprise temperature acquisition terminal (1-1) and data processing module (2-1), described temperature acquisition terminal (1-1) comprises single-chip microcomputer (1-3), temperature sensor (1-2), high pressure power-supply circuit (1-5), node address arranges mould (1-4) and wireless transmitter module (1-6) composition, described temperature sensor (1-2) is connected with the cable splice of switch cubicle, the temperature signal detected is sent to data processing module (2-1) by single-chip microcomputer (1-3) and wireless transmitter module (1-6) by temperature sensor (1-2) successively, described data processing module (2-1) comprises wireless receiving module (2-2), data transmission module (2-3), temperature detecting module (2-4), temperature display module (2-5), alarm module (2-6), described wireless receiving module (2-2) by the temperature signal that receives successively by data transmission module (2-3), temperature detecting module (2-4) is transferred to temperature display module (2-5).
2. wireless temperature measuring device for switch cabinet according to claim 1, is characterized in that: described node address arranges mould (1-4) and is connected with single-chip microcomputer (1-3), for gathering the address number corresponding to this temperature value.
3. wireless temperature measuring device for switch cabinet according to claim 1, is characterized in that: described high pressure power-supply circuit (1-5) is connected with single-chip microcomputer (1-3), provides working power for giving single-chip microcomputer (1-3).
4. wireless temperature measuring device for switch cabinet according to claim 1, is characterized in that: described temperature detecting module (2-4) is also connected with alarm module (2-6).
5. wireless temperature measuring device for switch cabinet according to claim 1, is characterized in that: described data transmission module (2-3) is made up of master controller and RS485 bus, the preferred STM32F103 single-chip microcomputer of master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590298.6U CN204903023U (en) | 2015-08-07 | 2015-08-07 | Cubical switchboard wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590298.6U CN204903023U (en) | 2015-08-07 | 2015-08-07 | Cubical switchboard wireless temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903023U true CN204903023U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520590298.6U Expired - Fee Related CN204903023U (en) | 2015-08-07 | 2015-08-07 | Cubical switchboard wireless temperature measuring device |
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| CN (1) | CN204903023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397747A (en) * | 2020-04-08 | 2020-07-10 | 河北冠益荣信科技有限公司 | Passive wireless temperature measurement system |
| CN112629684A (en) * | 2020-11-20 | 2021-04-09 | 广西电网有限责任公司防城港供电局 | Temperature on-line monitoring and early warning prediction system for switch cabinet |
-
2015
- 2015-08-07 CN CN201520590298.6U patent/CN204903023U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397747A (en) * | 2020-04-08 | 2020-07-10 | 河北冠益荣信科技有限公司 | Passive wireless temperature measurement system |
| CN112629684A (en) * | 2020-11-20 | 2021-04-09 | 广西电网有限责任公司防城港供电局 | Temperature on-line monitoring and early warning prediction system for switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20200807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |