CN202903366U - Passive wireless temperature sensor used for high-voltage environment - Google Patents
Passive wireless temperature sensor used for high-voltage environment Download PDFInfo
- Publication number
- CN202903366U CN202903366U CN2012206648387U CN201220664838U CN202903366U CN 202903366 U CN202903366 U CN 202903366U CN 2012206648387 U CN2012206648387 U CN 2012206648387U CN 201220664838 U CN201220664838 U CN 201220664838U CN 202903366 U CN202903366 U CN 202903366U
- Authority
- CN
- China
- Prior art keywords
- heat
- temperature sensor
- conducting block
- wiring board
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 claims description 9
- 238000010897 surface acoustic wave method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a passive wireless temperature sensor used for a high-voltage environment. The passive wireless temperature sensor comprises a heat-conducting block fixed on a measured object. A circuit board is mounted on the heat-conducting block. The bottom surface of the circuit board is provided with a surface acoustic wave temperature sensor which contacts with the heat-conducting block. The upper surface of the circuit board is provided with a transmitting antenna. The passive wireless temperature sensor utilizes the antenna to capture electromagnetic waves to provide the surface acoustic wave temperature sensor with energy; the surface acoustic wave temperature sensor converts detected temperature information into the electromagnetic waves to transmit through the antenna; and no external power source or power line is needed, and the passive wireless temperature sensor is advantaged by high reliability and low failure rate.
Description
Technical field
The utility model relates to the temperature sensor field, and particularly a kind of employing SAW Temperature Sensors chip is used for the passive wireless temperature sensor of high voltage environment.
Background technology
In high voltage environment, there is the highfield, the factor of high-risk, general temperature sensor, at the bottom of the reliability, failure rate is high, can not satisfy request for utilization.
The utility model content
Technical problem to be solved in the utility model just provides a kind of for the high voltage environment passive wireless temperature sensor, has advantages of high reliability and failure rate is low.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of passive wireless temperature sensor for high voltage environment, it is characterized in that: comprise that one is fixed in the heat-conducting block on the testee, one wiring board is installed on this heat-conducting block, this wiring board bottom surface is provided with SAW Temperature Sensors and contacts with heat-conducting block, on this wiring board upper surface emitting antenna is installed.
As preferably, described heat-conducting block is the metal heat-conducting piece.
As preferably, described heat-conducting block is front wide and rear narrow to be " T " font, and heat-conducting block front end expanded letter part middle part is provided with a mounting hole, and the narrow body in heat-conducting block rear end divides four jiaos to be respectively equipped with a fixed orifice, and wiring board is fixed on the heat-conducting block by fixed orifice.
As preferably, described SAW Temperature Sensors is welded on the wiring board bottom surface, and the sensor chip mounting groove that the narrow body in heat-conducting block rear end divides upper surface to be provided with " an one " font, SAW Temperature Sensors are located in this sensor chip mounting groove.
As preferably, described emitting antenna comprises and is welded in the antenna base on the wiring board upper surface and is installed in antenna on the antenna base.
The utility model metal heat-conducting piece is used for transferring heat and sensor is fixed on measured object, and SAW Temperature Sensors is for detection of temperature, and antenna is used for receiving and sending radiowave.The utility model utilizes antenna to catch electromagnetic wave and provides energy for SAW Temperature Sensors, SAW Temperature Sensors sends by antenna after the temperature information that detects is converted to electromagnetic wave, do not need external power supply and power lead, have advantages of high reliability and failure rate is low.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is metal heat-conducting block structure schematic diagram;
Fig. 3 is the circuit board mounting structure schematic diagram.
Embodiment
Specify the embodiment of a kind of passive wireless temperature sensor for high voltage environment of the utility model below in conjunction with Fig. 1 to Fig. 3, it comprises that one is fixed in the heat-conducting block 3 on the testee, one wiring board 5 is installed on this heat-conducting block, this wiring board bottom surface is provided with SAW Temperature Sensors 4 and contacts with heat-conducting block 3, on these wiring board 5 upper surfaces emitting antenna is installed.Described heat-conducting block is the metal heat-conducting piece.
Described heat-conducting block is front wide and rear narrow to be " T " font, and heat-conducting block front end expanded letter part middle part is provided with a mounting hole 1, and the narrow body in heat-conducting block rear end divides four jiaos to be respectively equipped with a fixed orifice 8, and wiring board is fixed on the heat-conducting block 3 by fixed orifice 8 and corresponding fixed leg.
Described SAW Temperature Sensors 4 is welded on wiring board 5 bottom surfaces, and the sensor chip mounting groove 2 that the narrow body in heat-conducting block rear end divides upper surface to be provided with " an one " font, SAW Temperature Sensors 4 are located in this sensor chip mounting groove 2.Described emitting antenna comprises the antenna base 6 that is welded on the wiring board upper surface and is installed in antenna 7 on the antenna base.
This metal heat-conducting piece adopts coefficient of heat conductivity material high, that expansion coefficient is low to make, and when the measured object temperature variation, the metal heat-conducting piece is transferring heat fast.
The present invention has adopted surface acoustic wave sensor 4 to come detected temperatures information, and SAW Temperature Sensors 4 and antenna base 6 are welded on the wiring board 5, and antenna 7 is directly installed on the antenna base 6.
By the way, metal heat-conducting piece, SAW Temperature Sensors chip, wiring board, aerial integration are made temperature sensor together.Solve traditional temperature sensor and can not have simultaneously passive, wireless characteristic.
The utility model has the advantage of: by equipping SAW Temperature Sensors at the metal heat-conducting piece, so that this temperature sensor has passive and radio characteristics simultaneously.Antenna on the wiring board catches electromagnetic wave and provides energy for SAW Temperature Sensors, and SAW Temperature Sensors sends by antenna after the temperature information that detects is converted to electromagnetic wave.
The utility model volume is little, lightweight, need not external power supply, wireless mode work, is suitable for the high voltage environment thermometric.
Claims (5)
1. passive wireless temperature sensor that is used for high voltage environment, it is characterized in that: comprise that one is fixed in the heat-conducting block (3) on the testee, one wiring board (5) is installed on this heat-conducting block, this wiring board bottom surface is provided with SAW Temperature Sensors (4) and contacts with heat-conducting block, on this wiring board upper surface emitting antenna is installed.
2. temperature sensor according to claim 1, it is characterized in that: described heat-conducting block is the metal heat-conducting piece.
3. temperature sensor according to claim 2, it is characterized in that: described heat-conducting block is front wide and rear narrow to be " T " font, heat-conducting block front end expanded letter part middle part is provided with a mounting hole (1), the narrow body in heat-conducting block rear end divides four jiaos to be respectively equipped with a fixed orifice (8), and wiring board is fixed on the heat-conducting block by fixed orifice.
4. temperature sensor according to claim 3, it is characterized in that: described SAW Temperature Sensors (4) is welded on the wiring board bottom surface, the sensor chip mounting groove (2) that the narrow body in heat-conducting block rear end divides upper surface to be provided with " an one " font, SAW Temperature Sensors is located in this sensor chip mounting groove.
5. temperature sensor according to claim 4 is characterized in that: described emitting antenna comprises the antenna base (6) that is welded on the wiring board upper surface and is installed in antenna (7) on the antenna base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206648387U CN202903366U (en) | 2012-12-03 | 2012-12-03 | Passive wireless temperature sensor used for high-voltage environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206648387U CN202903366U (en) | 2012-12-03 | 2012-12-03 | Passive wireless temperature sensor used for high-voltage environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903366U true CN202903366U (en) | 2013-04-24 |
Family
ID=48124025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206648387U Expired - Lifetime CN202903366U (en) | 2012-12-03 | 2012-12-03 | Passive wireless temperature sensor used for high-voltage environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903366U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062029A (en) * | 2014-06-23 | 2014-09-24 | 浙江大学 | Electric spindle temperature measuring device based on surface acoustic wave |
| CN111141411A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Temperature monitoring device for contact of blade type fuse |
| CN111141409A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Transmission line cable temperature monitoring device |
| CN111141410A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Passive wireless temperature measuring device of circuit breaker contact |
-
2012
- 2012-12-03 CN CN2012206648387U patent/CN202903366U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062029A (en) * | 2014-06-23 | 2014-09-24 | 浙江大学 | Electric spindle temperature measuring device based on surface acoustic wave |
| CN111141411A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Temperature monitoring device for contact of blade type fuse |
| CN111141409A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Transmission line cable temperature monitoring device |
| CN111141410A (en) * | 2020-01-22 | 2020-05-12 | 国网上海市电力公司 | Passive wireless temperature measuring device of circuit breaker contact |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202903366U (en) | Passive wireless temperature sensor used for high-voltage environment | |
| CN204493392U (en) | With the screw of temperature sensing function | |
| CN103489030A (en) | Intelligent electronic label based on SAW (Surface Acoustic Wave) passive temperature measurement chip | |
| CN104792426A (en) | Multi-source self-powered wireless temperature measuring system and multi-source self-powered wireless temperature measuring method | |
| CN104848956A (en) | Wireless passive temperature sensor | |
| CN202974467U (en) | Wireless temperature monitoring terminal installation structure for wire temperature monitoring | |
| CN204993347U (en) | Repeater suitable for long -range checking meter of gas table | |
| CN205120250U (en) | Circuit temperature detection system | |
| CN205122825U (en) | Built -in accuse temperature board | |
| CN202329830U (en) | Temperature detection device for high-voltage electrical contact | |
| CN103353555A (en) | Portable low-power electromagnetic radiation detector and detection method thereof | |
| CN203616473U (en) | Mine embedded type wireless distance measuring module | |
| CN203659839U (en) | IC chip heat dissipation fixing structure | |
| CN202737816U (en) | Low noise signal detection conversion amplification circuit | |
| CN202799181U (en) | Wireless network card signal enhancing device | |
| CN204305483U (en) | A kind of novel controllable cabinet apparatus for mobile communication | |
| CN202042473U (en) | Base plate for high-power electronic device module | |
| CN202049574U (en) | Antique safety monitoring device | |
| CN220819241U (en) | RFID single-chip temperature measurement nut sensor and ring main unit | |
| CN203192146U (en) | Radiation-type monitor | |
| CN202694179U (en) | Embedded intelligent constant temperature control apparatus | |
| CN203287907U (en) | Energy-saving trigger identification system | |
| CN208013344U (en) | A kind of connector comprehensive tester | |
| CN204068945U (en) | A kind of transmitter circuitry of reminding alarm device | |
| CN203134049U (en) | Microwave sensing module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |