CN203705056U - Self-induction type high-voltage contact wireless temperature measuring device - Google Patents
Self-induction type high-voltage contact wireless temperature measuring device Download PDFInfo
- Publication number
- CN203705056U CN203705056U CN201320644189.9U CN201320644189U CN203705056U CN 203705056 U CN203705056 U CN 203705056U CN 201320644189 U CN201320644189 U CN 201320644189U CN 203705056 U CN203705056 U CN 203705056U
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- wireless
- temperature
- temperature measuring
- display terminal
- voltage contact
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Abstract
The utility model relates to a self-induction type high-voltage contact wireless temperature measuring device. The self-induction type high-voltage contact wireless temperature measuring device is characterized in that the device comprises a temperature measuring probe and a display terminal, the temperature measuring probe comprises a temperature sensor, a wireless emission module and a current transformer, the temperature sensor acquires temperature information and transmits the information to the display terminal via the wireless emission module, the current transformer is arranged on a high-voltage contact so that the current generated by electromagnetic induction is employed to supply power for the temperature sensor and the wireless emission module, the display terminal comprises a wireless reception module and a display screen, and the wireless reception module receives temperature signals sent by the temperature measuring probe and transmits the signals to the display screen to be displayed. According to the self-induction type high-voltage contact wireless temperature measuring device, the induction of the current transformer is employed to supply power, the device can be used in a long term without the limit of service lifetime, the signals are stable, and the problem of unstable signals due to over-low voltage is prevented.
Description
Technical field
The utility model relates to switch cubicle field, especially a kind of self-inducting high-voltage contact wireless temperature measuring device.
Background technology
In electric system, as important equipment such as the high-tension switch cabinet of generating plant, transformer station, busbar joint, outdoor chopper switchs.In During Process of Long-term Operation, equipment occurs that surface oxidation burn into fastening bolt is loosening, the problems such as contact in cabinet, overlapped points, busbar, motor, transformer, cable testing bridge, enclosed busbar junction are aging are because of aging or contact resistance is excessive generates heat, finally cause thus accident to occur, cause fire and large-area power outage, solving switch problems of excessive heat is to stop the key that this type of accident occurs, and realizing on-line temperature monitoring is the important means that guarantees high-tension apparatus safe operation.
But, also there are many problems in existing high-voltage contact thermometric scheme, for example, adopt the thermometric scheme of wire transmission mode owing to there is more contact point, be easily subject to the interference of high voltage strong-electromagnetic field around, system is extremely unstable, be to utilize powered battery and adopt the thermometric scheme of wireless transmission method, exist battery life low, cause temperature measuring equipment to need often to change, and due to for above the following switch cabinet main of 35KV loop, under high pressure change the problems such as inconvenient.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of self-inducting high-voltage contact wireless temperature measuring device.
The utility model adopts following scheme to realize: a kind of self-inducting high-voltage contact wireless temperature measuring device, is characterized in that: comprise a temperature probe and a display terminal;
Described temperature probe comprises a temperature sensor, a wireless transmitter module and a current transformer; After described temperature sensor collecting temperature information, send described display terminal to by described wireless transmitter module, described current transformer is arranged at and is beneficial to utilize electromagnetic induction generation current in high-voltage contact is described temperature sensor and wireless transmitter module power supply;
Described display terminal comprises a wireless receiving module and a display screen; Described wireless receiving module is sent to described demonstration screen display after receiving the temperature signal that described temperature probe sends.
In the utility model one embodiment, described temperature probe also comprises an overvoltage protective module and an overcurrent protection module.
In the utility model one embodiment, described temperature probe is cast in an annular shell, and a heat conduction member is set on the internal diameter of this annular shell.
In the utility model one embodiment, a clamp button of the spring is also set on the internal diameter of described annular shell, be easy for installation and removal.
In the utility model one embodiment, described display terminal also connects a fan and a well heater, in order to realize cooling and dehumidification function.
The power supply of the utility model temperature probe is by current transformer (current transformer; CT) induction is powered, and has the following advantages:
1. pollution-free; 2. because pour into a mould to get up not substantially to be affected by the external environment; 3. can use for a long time, there is no age limit; 4. signal stabilization, the problem such as jitter while there will not be brownout.
For making the purpose of this utility model, technical scheme and advantage clearer, below will, by specific embodiment and relevant drawings, the utility model be described in further detail.
Accompanying drawing explanation
Fig. 1 is the system framework figure of the utility model temperature measuring equipment.
Fig. 2 is the structural representation of the utility model temperature probe.
Embodiment
As shown in Figure 1, the utility model provides a kind of self-inducting high-voltage contact wireless temperature measuring device, comprises a temperature probe and a display terminal;
Described temperature probe comprises a temperature sensor, a wireless transmitter module and a current transformer; After described temperature sensor collecting temperature information, send described display terminal to by described wireless transmitter module, described current transformer is arranged at and is beneficial to utilize electromagnetic induction generation current in high-voltage contact is described temperature sensor and wireless transmitter module power supply;
Described display terminal comprises a wireless receiving module and a display screen; Described wireless receiving module is sent to described demonstration screen display after receiving the temperature signal that described temperature probe sends.Described display terminal also comprises multiple Wiring ports, and the temperature data transmitting in order to receive more temperature probe simultaneously guarantees the accuracy of measuring.
Especially, described temperature sensor also has humidity collection function, described display terminal also comprises that another temperature sensor gathers the humiture of surrounding environment, described display terminal also connects a fan and a well heater, this fan and well heater are arranged in switch cubicle, and in order to realize, described display terminal detects and cooling and the dehumidification function of gauge tap cabinet.Certainly, described temperature probe and display terminal all also comprise the operation of a processing unit in order to processing signals and control system.
Preferably, described temperature probe adopts inflaming retarding shell and fire-retardant wiring board, to improve the adaptive capacity to environment of temperature probe; Described temperature probe adopts Direct Sequence Spread Spectrum (Direct Sequence Spread Spectrum; DSSS) carry out communication, to improve antijamming capability; Described temperature probe also comprises an overvoltage protective module and an overcurrent protection module, and adopts electromagnetic compatibility and interference protection measure, to improve the stability of system.
As shown in Figure 2, described temperature probe is cast in an annular shell 1, and the preferred red copper material of this heat conduction member of heat conduction member 2(is set on the internal diameter of this annular shell 1, and heat conduction velocity is fast, heat waste is low, deviation is little); One clamp button of the spring 3 is also set on the internal diameter of described annular shell 1, is easy for installation and removal.
Above-listed preferred embodiment; the purpose of this utility model, technical scheme and advantage are further described; institute is understood that; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (1)
1. a self-inducting high-voltage contact wireless temperature measuring device, is characterized in that: comprise a temperature probe and a display terminal;
Described temperature probe comprises a temperature sensor, a wireless transmitter module and a current transformer; After described temperature sensor collecting temperature information, send described display terminal to by described wireless transmitter module, described current transformer is arranged at and is beneficial to utilize electromagnetic induction generation current in high-voltage contact is described temperature sensor and wireless transmitter module power supply;
Described display terminal comprises a wireless receiving module and a display screen; Described wireless receiving module is sent to described demonstration screen display after receiving the temperature signal that described temperature probe sends;
Described temperature probe also comprises an overvoltage protective module and an overcurrent protection module; Described temperature probe is cast in an annular shell, and a heat conduction member is set on the internal diameter of this annular shell; One clamp button of the spring is also set on the internal diameter of described annular shell, is easy for installation and removal; Described display terminal also connects a fan and a well heater, in order to realize cooling and dehumidification function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644189.9U CN203705056U (en) | 2013-10-18 | 2013-10-18 | Self-induction type high-voltage contact wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644189.9U CN203705056U (en) | 2013-10-18 | 2013-10-18 | Self-induction type high-voltage contact wireless temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705056U true CN203705056U (en) | 2014-07-09 |
Family
ID=51055478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320644189.9U Expired - Fee Related CN203705056U (en) | 2013-10-18 | 2013-10-18 | Self-induction type high-voltage contact wireless temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703315A (en) * | 2016-03-25 | 2016-06-22 | 国网山东省电力公司济宁供电公司 | Cable terminal for totally enclosed switch equipment, assembly method and temperature measurement system |
| CN109540306A (en) * | 2019-01-28 | 2019-03-29 | 保定正源电气科技有限公司 | Built-in wireless temperature-measuring sensor mounting structure |
-
2013
- 2013-10-18 CN CN201320644189.9U patent/CN203705056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703315A (en) * | 2016-03-25 | 2016-06-22 | 国网山东省电力公司济宁供电公司 | Cable terminal for totally enclosed switch equipment, assembly method and temperature measurement system |
| CN109540306A (en) * | 2019-01-28 | 2019-03-29 | 保定正源电气科技有限公司 | Built-in wireless temperature-measuring sensor mounting structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20211018 |