CN209459790U - A kind of passive wireless temperature sensor of gasket construction - Google Patents
A kind of passive wireless temperature sensor of gasket construction Download PDFInfo
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- CN209459790U CN209459790U CN201920120912.0U CN201920120912U CN209459790U CN 209459790 U CN209459790 U CN 209459790U CN 201920120912 U CN201920120912 U CN 201920120912U CN 209459790 U CN209459790 U CN 209459790U
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- sensor
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- support base
- temperature
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Abstract
The utility model discloses a kind of passive wireless temperature sensors of gasket construction, including sound surface wave sensor chip, sensor antenna, circuit board, sensor support base；The temperature sensor is gasket type structure；Sensor antenna, circuit board are the ring structure with circular through hole；Sensor support base is provided with the cylindrical boss structure matched with circular through hole；The cylindrical boss structure of sensor support base is sequentially inserted into the circular through hole of sensor antenna, circuit board, sensor antenna and circuit board and is connected and fixed with sensor support base；Sound surface wave sensor chip, sensor antenna and circuit board connect.Cirque structure makes sensor be easily installed fixation, and annular antenna also ensures the stability of wireless transmission.The utility model has small in size, light-weight, stable structure, can work in the rugged environments such as high-intensity magnetic field, high temperature, intense radiation.It is suitable for the monitoring temperature of the electrical equipments such as switchgear, transformer, high-tension cable.
Description
Technical field
The utility model belongs to temperature sensor technology field, is related to a kind of passive and wireless temperature sensing of gasket construction
Device, in particular to a kind of gasket construction temperature sensor based on passive wireless acoustic surface wave technology.
Background technique
Switchgear needs the temperature to the intracorporal electrical component of cabinet to detect in use, avoid temperature excessively high and
Generate safety accident.Traditional temp measuring system is for example infrared, optical fiber, active radio etc. safety, stability, in terms of
There are certain technological deficiency, high failure rate cannot fully meet requirement.Therefore, the passive nothing based on surface acoustic wave techniques
Line temperature sensor is more and more widely used on the electrical equipments such as switchgear.Common passive nothing in switch cabinet equipment at present
Line temperature sensor is mostly watchband type design, and temperature transducer is tied up on measured object by watchband, to realize to device temperature
Real-time monitoring.But in actual use, high-tension apparatus inevitably will receive vibration, make the thermometric being fixed on electric component
Device generates loosening, is easy to that temperature measuring equipment is made to collide with electric component in this way, causes shadow to the stability of temperature measuring equipment
It rings.
Utility model content
Purpose: in order to overcome the deficiencies in the prior art, the utility model provides a kind of passive nothing of gasket construction
Line temperature sensor, the temperature monitoring suitable for Medium Voltage Switchgear cable termination.
Technical solution: in order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of temperature sensor, including sound surface wave sensor chip, sensor antenna, circuit board, sensor support base；
The temperature sensor is gasket type structure；The sensor antenna, circuit board are the ring with circular through hole
Shape structure；The sensor support base is provided with the cylindrical boss structure matched with the circular through hole；
The cylindrical boss structure of the sensor support base is sequentially inserted into the circular through hole of sensor antenna, circuit board, passes
Sensor antenna and circuit board are connected and fixed with sensor support base；
The sound surface wave sensor chip, sensor antenna and circuit board connect.
Preferably, the temperature sensor, which is characterized in that the sound surface wave sensor chip and sensing
Device antenna is welded on the circuit board.
Preferably, the temperature sensor, which is characterized in that the sensor antenna is a kind of plate day
Line.
Preferably, the temperature sensor, which is characterized in that the material of the sensor support base is metal,
With good thermal conductivity.
Preferably, the temperature sensor, which is characterized in that the cylindrical boss knot of the sensor support base
The height of structure is greater than the sum of sensor antenna and circuit plate thickness.
Preferably, the temperature sensor, which is characterized in that the thickness of the sensor support base is greater than sound table
The sum of wave sensor chip, sensor antenna, circuit board three's thickness, stress when for installing protect sensor module.
In actually detected application process, the upper/lower terminal stress of sensor support base, sound surface wave sensor chip, biography
Sensor antenna, circuit board do not stress.
The utility model has the advantages that the passive wireless temperature sensor of gasket construction provided by the utility model, has the advantage that this
Sensor is a kind of gasket type structure design, and sensor antenna and circuit board use cirque structure, antenna and circuit board and biography
Sensor support is connected and fixed, and sensor is connect with antenna and circuit board.Cirque structure makes sensor be easily installed fixation, annular
Antenna also ensure the stability of wireless transmission.The utility model has small in size, light-weight, stable structure, can be in strong magnetic
It works in the rugged environments such as field, high temperature, intense radiation.It is suitable for the temperature of the electrical equipments such as switchgear, transformer, high-tension cable
Monitoring.It is by using passive wireless acoustic surface wave sensing technology, surface acoustic wave sensor is relatively fixed with cable termination, it solves
Traditional switch cabinet temperature-independent scene personal monitoring's low efficiency, temperature measuring equipment unstable problem, realize it is long-range, in real time, peace
Full monitoring.
Detailed description of the invention
Fig. 1 is the schematic top plan view of the gasket construction temperature sensor of embodiment；
Fig. 2 is the side exploded view of the gasket construction temperature sensor of embodiment；
Fig. 3 is the side assembling figure of the gasket construction temperature sensor of embodiment；
Fig. 4 is the gasket construction temperature sensor of embodiment in switchgear cable termination application schematic diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of temperature sensor 7, including sound surface wave sensor chip 1, sensor antenna
2, circuit board 3, sensor support base 4；
The temperature sensor is gasket type structure；The sensor antenna, circuit board are the ring with circular through hole
Shape structure；The sensor support base 4 is provided with the cylindrical boss structure matched with the circular through hole；
The cylindrical boss structure of the sensor support base 4 is sequentially inserted into the circular through hole of sensor antenna, circuit board, passes
Sensor antenna 2 and circuit board 3 are connected and fixed with sensor support base 4；
The sound surface wave sensor chip 1, sensor antenna 2 are connect with circuit board 3.
In some embodiments, as shown in Figure 1, Figure 2, Figure 3 shows, the sound surface wave sensor chip 1 and sensor antenna 2
It is welded on circuit board 3 together.
In some embodiments, as shown in Figure 1, Figure 2, Figure 3 shows, the sensor antenna 2 uses ring structure, is a kind of flat
Plate antenna.
In some embodiments, as shown in Figure 1, Figure 2, Figure 3 shows, sensor support base 4 is metal support, is had good thermally conductive
Property.The height of the cylindrical boss structure of the sensor support base 4 is greater than the sum of 3 thickness of sensor antenna 2 and circuit board.It is described
The thickness of sensor support base 4 is greater than the sum of sound surface wave sensor chip 1, sensor antenna 2,3 three's thickness of circuit board, is used for
Stress when installation protects sensor module.
In some embodiments, as shown in figure 4, in actually detected application process, the upper/lower terminal of sensor support base 4
Stress, sound surface wave sensor chip 1, sensor antenna 2, circuit board 3 do not stress.
Fig. 4 is this temperature sensor in switchgear cable termination application schematic diagram, including cable termination 5, casing embedded component
6, above-mentioned temperature sensor 7, cable connectors 8, fixture nut 9, reader antenna 10, reader 11.
Cable termination 5 is mounted in Medium voltage switch or circuit breaker, and temperature sensor 7 is mounted on casing embedded component 6, with cable termination 5
It is contacted with cable connectors 8, keeps temperature sensor 7 fixed by nut 9.It is equipped with reader antenna 10 and reader 11 simultaneously,
Reader antenna 10 is adsorbed on switch cabinet wall by magnet.11 wired connection of reader antenna 10 and reader.
When specifically used, reader 11 receives inquiry by the transmitting inquiry signal of reader antenna 10, sensor antenna 2
Signal is passed into circuit board 3 and sound surface wave sensor chip 1 after signal, sensor support base 4 closely connects with cable termination 5
Touching, when 5 temperature change of cable termination, sound surface wave sensor chip 1 can pass through the thermally conductive quick detection of sensor support base 4
To temperature information, and it will test temperature information and reader antenna 10 be sent to by sensor antenna 2, echo-signal is with temperature
Information is spent, reader 11 receives temperature signal by reader antenna 10.
In conclusion a kind of passive wireless temperature sensor of gasket construction of the utility model, structure is simple, reliable,
And passive and wireless monitoring may be implemented, install, is easy to maintain.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the utility model and simplified description for ease of description, rather than indicates or imply meaning
Device or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as practical new to this
The limitation of type protection content.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (6)
1. a kind of temperature sensor, which is characterized in that including sound surface wave sensor chip, sensor antenna, circuit board, sensing
Device support；
The temperature sensor is gasket type structure；The sensor antenna, circuit board are the ring junction with circular through hole
Structure；The sensor support base is provided with the cylindrical boss structure matched with the circular through hole；
The cylindrical boss structure of the sensor support base is sequentially inserted into the circular through hole of sensor antenna, circuit board, sensor
Antenna and circuit board are connected and fixed with sensor support base；
The sound surface wave sensor chip, sensor antenna and circuit board connect.
2. temperature sensor according to claim 1, which is characterized in that the sound surface wave sensor chip and sensor
Antenna is welded on the circuit board.
3. temperature sensor according to claim 1, which is characterized in that the sensor antenna is a kind of plate aerial.
4. temperature sensor according to claim 1, which is characterized in that the material of the sensor support base is metal.
5. temperature sensor according to claim 1, which is characterized in that the cylindrical boss structure of the sensor support base
Height be greater than the sum of sensor antenna and circuit plate thickness.
6. temperature sensor according to claim 1, which is characterized in that the thickness of the sensor support base is greater than sound surface
The sum of wave sensor chip, sensor antenna, circuit board three's thickness, sensor support base stress when for installing, protection sound table
Wave sensor chip, sensor antenna, circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120912.0U CN209459790U (en) | 2019-01-24 | 2019-01-24 | A kind of passive wireless temperature sensor of gasket construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120912.0U CN209459790U (en) | 2019-01-24 | 2019-01-24 | A kind of passive wireless temperature sensor of gasket construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209459790U true CN209459790U (en) | 2019-10-01 |
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ID=68045636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920120912.0U Active CN209459790U (en) | 2019-01-24 | 2019-01-24 | A kind of passive wireless temperature sensor of gasket construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209459790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708774A (en) * | 2019-01-24 | 2019-05-03 | 上海置信电气股份有限公司 | A kind of passive wireless temperature sensor of gasket construction |
| CN111649833A (en) * | 2020-05-15 | 2020-09-11 | 国网福建省电力有限公司三明供电公司 | Passive wireless temperature sensor |
-
2019
- 2019-01-24 CN CN201920120912.0U patent/CN209459790U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708774A (en) * | 2019-01-24 | 2019-05-03 | 上海置信电气股份有限公司 | A kind of passive wireless temperature sensor of gasket construction |
| CN109708774B (en) * | 2019-01-24 | 2024-03-01 | 上海置信智能电气有限公司 | Passive wireless temperature sensor with gasket structure |
| CN111649833A (en) * | 2020-05-15 | 2020-09-11 | 国网福建省电力有限公司三明供电公司 | Passive wireless temperature sensor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200814 Address after: No. 588-590, Tianshan West Road, Changning District, Shanghai, 200335 Co-patentee after: OFWELT(SUZHOU)TECHNOLOGIES Co.,Ltd. Patentee after: Shanghai Zhixin Intelligent Electric Co., Ltd Address before: 200030 Hongqiao Road, Changning District, Shanghai 2239 Co-patentee before: OFWELT(SUZHOU)TECHNOLOGIES Co.,Ltd. Patentee before: SHANGHAI ZHIXING ELECTRIC Co.,Ltd. |