CN109708774A - 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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- CN109708774A CN109708774A CN201910067143.7A CN201910067143A CN109708774A CN 109708774 A CN109708774 A CN 109708774A CN 201910067143 A CN201910067143 A CN 201910067143A CN 109708774 A CN109708774 A CN 109708774A
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- sensor
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- support base
- temperature
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Abstract
The invention 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 present invention 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 invention belongs to temperature sensor technology fields, are related to a kind of passive wireless temperature sensor of gasket construction, special
It is not related 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.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of passive and wireless temperature of gasket construction
Spend 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 present invention are as follows:
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 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.
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 invention, has the advantage that the sensing
Device is a kind of gasket type structure design, and sensor antenna and circuit board use cirque structure, antenna and circuit board and sensor
Support is connected and fixed, and sensor is connect with antenna and circuit board.Cirque structure makes sensor be easily installed fixation, annular day
Line also ensures the stability of wireless transmission.The present invention have small in size, light-weight, stable structure, can high-intensity magnetic field, high temperature,
It works in the rugged environments such as intense radiation.It is suitable for the monitoring temperature of the electrical equipments such as switchgear, transformer, high-tension cable.It is logical
It crosses and uses passive wireless acoustic surface wave sensing technology, surface acoustic wave sensor is relatively fixed with cable termination, solve tradition
Switch cabinet temperature relies on the unstable problem of live personal monitoring's low efficiency, temperature measuring equipment, realizes long-range, real-time, safety prison
It surveys.
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
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
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, electricity
Road plate 3, sensor support base 4；
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 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, 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 invention, 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 present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
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 |
|---|---|---|---|
| CN201910067143.7A CN109708774B (en) | 2019-01-24 | 2019-01-24 | Passive wireless temperature sensor with gasket structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067143.7A CN109708774B (en) | 2019-01-24 | 2019-01-24 | Passive wireless temperature sensor with gasket structure |
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| CN109708774A true CN109708774A (en) | 2019-05-03 |
| CN109708774B CN109708774B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910067143.7A Active CN109708774B (en) | 2019-01-24 | 2019-01-24 | Passive wireless temperature sensor with gasket structure |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057459A (en) * | 2019-05-05 | 2019-07-26 | 劭行（苏州）智能科技有限公司 | The temperature detection structure of temperature wireless passive sensor and ring network cabinet |
| EP4187222A1 (en) * | 2021-11-30 | 2023-05-31 | Airbus Operations Limited | Temperature sensing device with antenna |
| CN117895219A (en) * | 2023-08-22 | 2024-04-16 | 南方电网数字电网研究院股份有限公司 | Data acquisition antenna applied to ring main unit wireless monitoring system and ring main unit |
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| JPS56162199A (en) * | 1980-04-16 | 1981-12-12 | Sippican Corp | Temperature measuring system |
| US20090165546A1 (en) * | 2007-12-28 | 2009-07-02 | Honeywell International Inc. | Wireless and batteryless sensor |
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| CN204214571U (en) * | 2014-11-17 | 2015-03-18 | 王东方 | For the passive and wireless temperature monitoring collar of metal bearing |
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| CN108692824A (en) * | 2018-03-21 | 2018-10-23 | 中电科技德清华莹电子有限公司 | A kind of passive wireless acoustic surface wave temperature sensor |
| CN109186808A (en) * | 2018-10-31 | 2019-01-11 | 劭行（苏州）智能科技有限公司 | The temperature wireless sensor-based system of ring network cabinet |
| CN209459790U (en) * | 2019-01-24 | 2019-10-01 | 上海置信电气股份有限公司 | A kind of passive wireless temperature sensor of gasket construction |
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2019
- 2019-01-24 CN CN201910067143.7A patent/CN109708774B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56162199A (en) * | 1980-04-16 | 1981-12-12 | Sippican Corp | Temperature measuring system |
| US20110012477A1 (en) * | 2007-12-21 | 2011-01-20 | Senseor | Surface-Wave Passive Sensor Including an Integrated Antenna, and Medical Applications Using Such a Type of Passive Sensor |
| US20090165546A1 (en) * | 2007-12-28 | 2009-07-02 | Honeywell International Inc. | Wireless and batteryless sensor |
| CN103414006A (en) * | 2013-08-13 | 2013-11-27 | 常州智梭传感科技有限公司 | Ultra-thin passive wireless acoustic surface wave sensor |
| CN105415987A (en) * | 2014-09-19 | 2016-03-23 | 软控股份有限公司 | Passive surface acoustic wave sensing device and intelligent tire |
| CN204214571U (en) * | 2014-11-17 | 2015-03-18 | 王东方 | For the passive and wireless temperature monitoring collar of metal bearing |
| CN205407084U (en) * | 2016-03-01 | 2016-07-27 | 北京中讯四方科技股份有限公司 | Looped netowrk is connecting screw rod temperature sensor's mounting structure cashier's office in a shop |
| CN108692824A (en) * | 2018-03-21 | 2018-10-23 | 中电科技德清华莹电子有限公司 | A kind of passive wireless acoustic surface wave temperature sensor |
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| CN209459790U (en) * | 2019-01-24 | 2019-10-01 | 上海置信电气股份有限公司 | A kind of passive wireless temperature sensor of gasket construction |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110057459A (en) * | 2019-05-05 | 2019-07-26 | 劭行（苏州）智能科技有限公司 | The temperature detection structure of temperature wireless passive sensor and ring network cabinet |
| EP4187222A1 (en) * | 2021-11-30 | 2023-05-31 | Airbus Operations Limited | Temperature sensing device with antenna |
| GB2613411A (en) * | 2021-11-30 | 2023-06-07 | Airbus Operations Ltd | Temperature sensing device with antenna |
| CN117895219A (en) * | 2023-08-22 | 2024-04-16 | 南方电网数字电网研究院股份有限公司 | Data acquisition antenna applied to ring main unit wireless monitoring system and ring main unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109708774B (en) | 2024-03-01 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200811 Address after: No. 588-590, Tianshan West Road, Changning District, Shanghai, 200335 Applicant after: Shanghai Zhixin Intelligent Electric Co.,Ltd. Applicant after: OFWELT (SUZHOU) TECHNOLOGIES Co.,Ltd. Address before: 200030 Hongqiao Road, Changning District, Shanghai 2239 Applicant before: SHANGHAI ZHIXIN ELEC Co.,Ltd. Applicant before: OFWELT (SUZHOU) TECHNOLOGIES Co.,Ltd. |
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