CN209559365U - A kind of wireless temperature measuring device - Google Patents
A kind of wireless temperature measuring device Download PDFInfo
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- CN209559365U CN209559365U CN201920037228.6U CN201920037228U CN209559365U CN 209559365 U CN209559365 U CN 209559365U CN 201920037228 U CN201920037228 U CN 201920037228U CN 209559365 U CN209559365 U CN 209559365U
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- 238000001914 filtration Methods 0.000 claims description 7
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- 230000004048 modification Effects 0.000 claims description 5
- 238000006011 modification reaction Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 3
- 230000000994 depressed Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000003365 glass fiber Substances 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 2
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- 238000009529 body temperature measurement Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses a kind of wireless temperature measuring devices, including at least one temperature collecting cell, wireless temperature-measuring terminal, temperature collecting cell can be arranged in high-tension electricity equipment, temperature collecting cell includes temperature sensor and radiofrequency launcher, temperature sensor is used to detect the temperature information of high-tension electricity equipment operation, and radiofrequency launcher is connect with emission temperature information with temperature sensor；Wireless temperature-measuring terminal includes radio frequency receiver, network transmission module, display module and the processing module connecting respectively with radio frequency receiver, network transmission module and display module, radio frequency receiver and radiofrequency launcher match to receive temperature information, temperature information is uploaded to upper monitoring center by network transmission module by display module displays temperature information, processing module by processing module；The design component models, structure is simple, easy for installation, there is excellent insulation performance, and temperature collecting cell is set up directly on position to be measured, being capable of real-time online monitoring temperature.
Description
Technical field
The utility model relates to administration of power networks field, especially a kind of temperature measuring equipment applied to power grid.
Background technique
In the power system, there is load in the High-Voltage Electrical Appliances such as closed high-voltage switch gear, high-voltage motor, bus and power equipment
Electric current and the positively related rule of temperature: it will appear temperature when load current increases and increase, and will appear when load current reduction
The phenomenon that cooling.The temperature change of electrical equipment is there is a possibility that relevant superstructure loosening, insulation performance deteriorate, or even puncture；Together
When, in equipment During Process of Long-term Operation, the positions such as line contact and bus bar junction are due to aging or contact resistance are excessive
Fever and the temperature of these heating positions is unable to monitor, thus may finally will lead to interruption of service.
Since bus is in high potential, the instrument measured dedicated for high voltage bus and electrical contact fever domestic at present is also very
It is few, following several methods are taken to the temperature monitoring main method of equipment in electric system:
First is that one layer of luminescent material for varying with temperature color is applied in electrical contact surface, by observing its color change come big
Temperature range is caused, this method accuracy is low, poor reliability, not can be carried out quantitative measurment, and need manual operation, efficiency is not
It is high；
Another method is optical fiber type temp measuring system, can be with displays temperature value, but since each temperature measuring point requires solely
Vertical optical fiber and signal adapter, and wiring, wiring complexity, the bending radius of optical fiber cannot be less than 20TM, and temperature-sensitive optical fiber is easy
Damage, maintenance are big；Fibre optical sensor can not move, in the equipment that verification is regularly maintained in the needs such as drawer-type switch cabinet
Using extremely inconvenient, thus not frequently with；
In addition to this, it also will use infrared probe temp measuring system, can monitor on-line, but since system stability is not high,
It is especially affected by environment serious, report by mistake it is more, also not frequently with.In addition, being surveyed there are also the infrared radiation thermometer of hand-held radiation characteristic
Amount accuracy is higher, but the optical device due to using fixed D/S, in specific occasions such as closed high-voltage switch cabinets using not
It is convenient, manual operation is also needed, cannot achieve on-line measurement.
It can be seen that more or less there is difficult to install, troublesome in poeration, higher costs, measurement for temperature measuring equipment now
The shortcomings that inaccuracy or fluctuation of service, and the temperature data that can not achieve scene is shown and data upload is integrated
Operation is not easy to notify staff and cooperating personnel on site quality inspection, maintenance in time.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide a kind of easy for installation, easy to operate and energy
Enough integrate the wireless temperature measuring device of scene display and data upload.The technical solution adopted in the utility model is:
A kind of wireless temperature measuring device, comprising:
At least one temperature collecting cell can be arranged in high-tension electricity equipment, and temperature collecting cell includes that temperature passes
Sensor and radiofrequency launcher, temperature sensor be used for detect high-tension electricity equipment operation temperature information, radiofrequency launcher with
Temperature sensor is connected with emission temperature information；
Wireless temperature-measuring terminal, including radio frequency receiver, network transmission module, display module and respectively with radio frequency reception
The processing module that device, network transmission module and display module connect, radio frequency receiver and radiofrequency launcher match to receive temperature
Information is spent, processing module will be on temperature information by network transmission module by display module displays temperature information, processing module
Reach upper monitoring center.
The temperature collecting cell further includes wave filtering circuit and signal modulation amplifying circuit；Temperature sensor is adopted
Sample filter circuit, signal modulation amplifying circuit and radiofrequency launcher are sequentially connected to the filtering of the temperature information of acquisition, modulation
Emit after enhanced processing.
The network transmission module is Network Interface Module or GPRS module.
The wireless temperature-measuring terminal further includes alarm module, and processing module is connect to exceed in temperature information with alarm module
Alarm module alarm is controlled when temperature threshold.
The wireless temperature-measuring terminal further includes setting input module, can input setting data by the way that input module is arranged,
Processing module is connect according to the address date of setting data modification temperature collecting cell or modification temperature with setting input module
Spend threshold value.
The wireless temperature-measuring terminal further includes storage module, processing module connect with storage module with storage temperature information with
And record event.
The processing module is STM32 single-chip microcontroller.
Disengaging pile crown, wire clamp or isolation switch, wall bushing, the cable of transformer is arranged in the temperature collecting cell
There is contact electricity in connector, contact of breaker, contacts of contactor, bus tie point, the tie point of switchgear or high-low pressure equipment
On the tie point of resistance.
The temperature collecting cell further include can induced current and the induction that produces electricl energy take electrical components, induction takes electric portion
Part is temperature collecting cell power supply.
The utility model has the beneficial effects that
The utility model wireless temperature measuring device, temperature collecting cell are arranged in the high-tension electricity equipment to thermometric, temperature
Sensor detects the temperature information of high-tension electricity equipment operation, and is sent by radiofrequency launcher, and wireless temperature-measuring terminal is set
It sets in ground terminal, receives temperature information and shown and uploaded to upper monitoring center, notify staff to overhaul and work
Personnel can check temperature conditions after showing up, the design component models, structure is simple, easy for installation, solve high pressure, Qiang Ci
Environment is not easy the problem of being routed, and signal is wirelessly sent, and does not have line between temperature collecting cell and wireless temperature-measuring terminal
The connection on road has excellent insulation performance, and temperature collecting cell is set up directly on position to be measured, being capable of real-time online monitoring temperature
Degree.
Detailed description of the invention
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.
Fig. 1 is the schematic illustration of temperature collecting cell.
Fig. 2 is the schematic illustration of wireless temperature-measuring terminal.
Specific embodiment
As shown in Figure 1 and Figure 2, a kind of wireless temperature measuring device, including at least one temperature collecting cell 1 and wireless temperature measurement
Terminal 2；
Temperature collecting cell 1 can be arranged in high-tension electricity equipment, temperature collecting cell 1 include temperature sensor 11 with
And radiofrequency launcher 12, temperature sensor 11 be used for detect high-tension electricity equipment operation temperature information, radiofrequency launcher 12 with
Temperature sensor 11 is connected with emission temperature information；
Wireless temperature-measuring terminal 2 include radio frequency receiver 21, network transmission module 22, display module 23 and respectively with radio frequency
The processing module 24 that receiver 21, network transmission module 22 and display module 23 connect, radio frequency receiver 21 and radiofrequency launcher
12 match to receive temperature information, and processing module 24 passes through net by 23 displays temperature information of display module, processing module 24
Temperature information is uploaded to upper monitoring center by network transmission module 22.
Wherein, network transmission module 22 is Network Interface Module or GPRS module, it is preferred to use Network Interface Module leads to
Crossing data line can connect with network server, upload the data to network server, obtain so as to be generalized monitoring center
It takes, processing module is STM32 single-chip microcontroller, and STM32 single-chip microcontroller is the processing of 32 bit arithmetics, and dominant frequency is up to 168M, the fortune of super low-power consumption
Row control, superior performance support logical operation and the low power operation of system complex data.
Radiofrequency launcher 11 and radio frequency receiver 21 may each be 2.4G radio-frequency module, 433M-437M radio-frequency module etc..
It may be provided with mounting bracket on temperature collecting cell 1, and be provided with felt pad in mounting bracket, temperature sensing
Device surface is close to test point surface, and occupancy is small in size, and as a result accurately, the disengaging of transformer is arranged in the temperature collecting cell 1
Pile crown, wire clamp or isolation switch, wall bushing, cable connector, contact of breaker, contacts of contactor, bus tie point, switch
There are on the tie point of contact resistance for the tie point or high-low pressure equipment of cabinet.
The setting of wireless temperature-measuring terminal 2 receives temperature information and is shown and uploaded to upper monitoring center, lead in ground terminal
Know staff maintenance and staff show up after can check temperature conditions, the design component models, structure is simple, peace
Dress is convenient, and signal wirelessly sends, do not have the connection of route between temperature collecting cell 1 and wireless temperature-measuring terminal 2, have
Excellent insulation performance, temperature collecting cell are set up directly on position to be measured, being capable of real-time online monitoring temperature.
Further, temperature collecting cell 1 further includes wave filtering circuit 13 and signal modulation amplifying circuit 14；Temperature
Sensor 11, wave filtering circuit 13, signal modulation amplifying circuit 14 and radiofrequency launcher 12 are sequentially connected to acquisition
Emit after temperature information filtering, modulation enhanced processing, wave filtering circuit 13 can be made of several capacitors, signal modulation amplification
Circuit 14 can be made of comparator, first filter out the clutter of temperature signal, then amplify conveying, be applied to high pressure, high-intensity magnetic field ring
Border has good anti-interference.
Further, wireless temperature-measuring terminal 2 further includes alarm module 25, processing module 24 connect with alarm module 25 with
Control alarm module 25 is alarmed when temperature information exceeds threshold value, and wherein alarm module 25 includes loudspeaker and light component.
Wherein, temperature alarming is divided into high temperature alarm and low-temperature warning two types:
High temperature alarm: when the temperature of one or more temperature measuring points is more than the alarm temperature upper limit, occurring high temperature alarm event,
At this time until temperature can just be removed lower than temperature warning upper limit alarm event.
Low-temperature warning: when the temperature of one or more temperature measuring points is lower than alarm temperature lower limit, occurring low-temperature warning event,
At this time until temperature is higher than temperature warning lower limit alarm event and can just remove.
After alert event occurs, if alarm module triggering alarm, issues alarm, no matter alert event has not after ten minutes
There is removing, system actively closes alarm.After alert event is removed, when alert event occurring again, alarm is reopened, according to
This analogizes.
After alert event occurs, the temperature value flashing that corresponding temperature measuring point is shown, until alarm is removed
Wireless temperature-measuring terminal 2 further includes storage module 26, and processing module 24 is connect with storage module 26 to be believed with storage temperature
Breath and record event.
Wireless temperature-measuring terminal 2 further includes setting input module 27, can input setting data by the way that input module 27 is arranged,
Processing module 24 with setting input module 27 connect with according to be arranged data modification temperature collecting cell 1 address date, herein
Setting input module 27 can be key or be integrated into touch display screen with display module 23.
Each temperature collecting cell 1 corresponds to different address parameters in wireless temperature-measuring terminal 2, to identify each
Temperature collecting cell 1, input module 27 is arranged herein to modify to this.
Further, in order to avoid often since powerup issue safeguards that temperature collecting cell 1, temperature collecting cell 1 also wrap
Include can induced current and the induction that produces electricl energy take electrical components 15, it is that temperature collecting cell is powered that induction, which takes electrical components 15, is felt
Electrical components 15 should be taken to can be CT Rogowski coil, the electric current flowed through on high voltage component is incuded and produce electricl energy as temperature collecting cell
1 power supply, wherein it is temperature sensor 11, the power supply of radiofrequency launcher 12 that induction, which takes electrical components 15,.
The foregoing is merely the preferred embodiments of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the utility model aim technical solution belong to the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of wireless temperature measuring device characterized by comprising
At least one temperature collecting cell can be arranged in high-tension electricity equipment, and temperature collecting cell includes temperature sensor
And radiofrequency launcher, temperature sensor are used to detect the temperature information of high-tension electricity equipment operation, radiofrequency launcher and temperature
Sensor is connected with emission temperature information；Wireless temperature-measuring terminal, including radio frequency receiver, network transmission module, display module with
And the processing module being connect respectively with radio frequency receiver, network transmission module and display module, radio frequency receiver and radio-frequency transmissions
Device matches to receive temperature information, and processing module passes through network transmission by display module displays temperature information, processing module
Temperature information is uploaded to upper monitoring center by module.
2. a kind of wireless temperature measuring device according to claim 1, it is characterised in that: the temperature collecting cell further includes adopting
Sample filter circuit and signal modulation amplifying circuit；It temperature sensor, wave filtering circuit, signal modulation amplifying circuit and penetrates
The emitter that takes place frequently is sequentially connected to filter to the temperature information of acquisition, emits after modulation enhanced processing.
3. a kind of wireless temperature measuring device according to claim 1, it is characterised in that: the network transmission module connects for network
One or more of mouth mold block, GPRS module.
4. a kind of wireless temperature measuring device according to claim 1, it is characterised in that: the wireless temperature-measuring terminal further includes report
Alert module, processing module are connect with the control alarm module alarm when temperature information is beyond temperature threshold with alarm module.
5. a kind of wireless temperature measuring device according to claim 4, it is characterised in that: the wireless temperature-measuring terminal further includes setting
Input module is set, setting data can be inputted by the way that input module is arranged, processing module is connect with setting input module with basis
The address date or modification temperature threshold of data modification temperature collecting cell are set.
6. a kind of wireless temperature measuring device according to claim 1, it is characterised in that: the wireless temperature-measuring terminal further includes storage
Storing module, processing module are connect with storage temperature information and record event with storage module.
7. a kind of wireless temperature measuring device according to claim 1, it is characterised in that: the processing module is STM32 monolithic
Machine.
8. a kind of wireless temperature measuring device according to claim 1, it is characterised in that: the temperature collecting cell setting is becoming
Disengaging pile crown, wire clamp or isolation switch, wall bushing, cable connector, contact of breaker, contacts of contactor, the bus of depressor
There are on the tie point of contact resistance for tie point, the tie point of switchgear or high-low pressure equipment.
9. a kind of wireless temperature measuring device according to claim 1, it is characterised in that: the temperature collecting cell further includes energy
Enough induced currents and the induction produced electricl energy take electrical components, and induction takes electrical components for temperature collecting cell power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037228.6U CN209559365U (en) | 2019-01-09 | 2019-01-09 | A kind of wireless temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037228.6U CN209559365U (en) | 2019-01-09 | 2019-01-09 | A kind of wireless temperature measuring device |
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| Publication Number | Publication Date |
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| CN209559365U true CN209559365U (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920037228.6U Active CN209559365U (en) | 2019-01-09 | 2019-01-09 | A kind of wireless temperature measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113675A (en) * | 2020-09-15 | 2020-12-22 | 国网山东省电力公司济南市历城区供电公司 | Contact temperature monitor in high tension switchgear |
| CN112362188A (en) * | 2020-11-11 | 2021-02-12 | 国网湖南省电力有限公司 | Enhanced RFID passive temperature measurement label for power cable connector and temperature measurement method |
-
2019
- 2019-01-09 CN CN201920037228.6U patent/CN209559365U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113675A (en) * | 2020-09-15 | 2020-12-22 | 国网山东省电力公司济南市历城区供电公司 | Contact temperature monitor in high tension switchgear |
| CN112362188A (en) * | 2020-11-11 | 2021-02-12 | 国网湖南省电力有限公司 | Enhanced RFID passive temperature measurement label for power cable connector and temperature measurement method |
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