CN205748708U - A kind of SAW temperature sensor of replaceable antenna - Google Patents
A kind of SAW temperature sensor of replaceable antenna Download PDFInfo
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- CN205748708U CN205748708U CN201620517836.3U CN201620517836U CN205748708U CN 205748708 U CN205748708 U CN 205748708U CN 201620517836 U CN201620517836 U CN 201620517836U CN 205748708 U CN205748708 U CN 205748708U
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Abstract
This utility model relates to SAW sensor technology, it is specifically related to the SAW temperature sensor of a kind of replaceable antenna, including SAW temperature sensor chip, sub-miniature A connector, sensor circuit board and sensor antenna, described SAW temperature sensor chip and sub-miniature A connector are welded on sensor circuit board, described sensor antenna is electrically connected with described SAW temperature sensor chip by sub-miniature A connector, the SMA interface of described sub-miniature A connector and sensor antenna matches, and makes sensor antenna and SAW temperature sensor chip good electrical connect.This utility model simple in construction, easy to use, can be according to practical situations, select antenna and the type of attachment adapted, efficiently solve the problem that installing space is not enough, and sensor antenna can mount and dismount replacing very easily, can be widely popularized and use.
Description
Technical field
This utility model relates to SAW sensor technology, is specifically related to the SAW temperature sensor of a kind of replaceable antenna.
Background technology
SAW sensing technology has the feature of passive and wireless, and sensor is powered without external power source, and this makes it to apply
Parameter detection in the special environments such as High Temperature High Pressure, electric, inflammable and explosive, the high-speed rotation of strong magnetic strength.Just because of this, SAW temperature
The application scenarios of sensor is complicated and changeable, and generally requiring for different application scenarios is that SAW temperature sensor customization is different
Sensor antenna.The sensing chip size of SAW temperature sensor is the least, and therefore the size of sensor and form are often by sensing
The size of the antenna of device determines, causes generally requiring the application scenario for different and is customized, adds development and application cost.
Utility model content
The purpose of this utility model is to provide the SAW temperature sensor of a kind of replaceable antenna, to solve in prior art
Sensor is limited by different application sight, the problem generally requiring customization.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows:
The SAW temperature sensor of a kind of replaceable antenna, including SAW temperature sensor chip, sub-miniature A connector, sensor electricity
Road plate and sensor antenna, described SAW temperature sensor chip and sub-miniature A connector be welded on described sensor circuit board, institute
State sensor antenna to be electrically connected with SAW temperature sensor chip by sub-miniature A connector.
As optimizing further, described SAW temperature sensor chip is passive and wireless passive-type, it is not necessary to external power source supplies
Electricity.
As optimizing further, described sub-miniature A connector be joint be radio frequency (RF) coaxial connector, be welded in sensor circuit board
On, electrically connect with described SAW temperature sensor chip.
As optimizing further, described sensor antenna can be any form with corresponding SMA interface or
It is the radio-frequency antenna with SMA connecting line, can select to use different size and not similar shape according to the concrete condition of application scenarios
The sensor antenna of state.
As optimizing further, described sensor circuit board only welds a SAW temperature sensor chip and a SMA
Joint, its size is the least, makes the miniaturization of SAW temperature sensor.
As optimizing further, the SMA interface of described sub-miniature A connector and sensor antenna matches, make sensor antenna and
SAW temperature sensor chip good electrical connects.
The beneficial effects of the utility model are as follows: this utility model provides the SAW temperature sensor of a kind of replaceable antenna,
Simple in construction, easy to use, SAW temperature sensor chip and sub-miniature A connector are welded on sensor circuit board, and sensor antenna leads to
Cross the SMA interface matched with described sub-miniature A connector to electrically connect so that sensor antenna can mount and dismount more very easily
Change, when installation site is openr, can select larger-size, the preferable antenna configurations of signal gain；In installation site relatively
Time narrow, can select to use size less, the antenna configurations that signal gain is moderate；Antenna cannot be accommodated in installation site
During size, can select to use the sensor antenna of the RF connection with certain length, one end of RF connection to connect
Sub-miniature A connector, the other end connects sensor antenna, with SAW temperature sensor, sensor antenna can be separated peace by the method
Dress, solves the problem that installing space is not enough, can be widely popularized and use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only described in this utility model
Some embodiments, for those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that sensor antenna is separately installed with SAW temperature sensor.
In figure: 1, SAW temperature sensor chip；2, sub-miniature A connector；3, sensor circuit board；4, sensor antenna.
Detailed description of the invention
With detailed description of the invention, this utility model is further elaborated below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the SAW temperature sensor of a kind of replaceable antenna that this utility model provides, including SAW
Temperature sensor chip 1, sub-miniature A connector 2, sensor circuit board 3 and sensor antenna 4, described SAW temperature sensor chip 1
Being welded on sensor circuit board 3 with sub-miniature A connector 2, described sensor antenna 4 is by sub-miniature A connector 2 and SAW temperature sensor core
Sheet 1 electrically connects, and described SAW temperature sensor chip 1 is passive and wireless passive-type, it is not necessary to external power source is powered, described sub-miniature A connector
2 is radio frequency (RF) coaxial connector, is welded on sensor circuit board 3, and electrically connects with described SAW temperature sensor chip 1, described
Sensor antenna 4 can be any form with corresponding SMA interface or radio-frequency antenna with SMA connecting line,
A SAW temperature sensor chip 1 and a sub-miniature A connector 2 is only welded on described sensor circuit board 3.
As it is shown in figure 1, SAW temperature sensor chip 1 and sub-miniature A connector 2 are welded on sensor circuit board 3, sensor sky
Line 4 is electrically connected by the SMA interface matched with described sub-miniature A connector 2, therefore sensor antenna 4 can install very easily and
Dismounting and change.Select to use the sensor antenna 4 of suitable form according to the application scenario that SAW temperature sensor is concrete, installing
When place is openr, can select larger-size, the preferable antenna configurations of signal gain；When installation site relatively narrower, can
To select to use size less, the antenna configurations that signal gain is moderate；When cannot accommodate the size of antenna in installation site, can
To select to use the sensor antenna 4 of the RF connection with certain length, one end of RF connection to connect sub-miniature A connector 2,
The other end connects sensor antenna 4, as in figure 2 it is shown, can be divided with SAW temperature sensor by sensor antenna 4 by the method
From installation, solve the problem that installing space is not enough.
When this utility model uses, sensor antenna 4 receives spatial electromagnetic ripple signal and is respectively transmitted to SAW temperature sensing
Device chip 1 also encourages generation surface acoustic wave, and surface acoustic wave signal is in communication process, and its frequency is influenced by temperature and can become
Changing, hereafter the surface acoustic wave signal with temperature information is reconverted into electromagnetic wave signal and is launched and defeated by sensor antenna 4
Deliver to upper control equipment.
The SAW temperature sensor of this utility model a kind of replaceable antenna of offer, simple in construction, easy to use, SAW temperature
Sensor chip 1 and sub-miniature A connector 2 are welded on sensor circuit board 3, and sensor antenna is by matching with described sub-miniature A connector 2
SMA interface electrically connects, and can select antenna and the type of attachment adapted according to practical situations, efficiently solve installation
The problem of insufficient space, sensor antenna 4 can mount and dismount replacing very easily, can be widely popularized and use.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step describes in detail, be it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all should wrap
Within being contained in protection domain of the present utility model.
Claims (5)
1. the SAW temperature sensor of a replaceable antenna, it is characterised in that: include that SAW temperature sensor chip (1), SMA connect
Head (2), sensor circuit board (3) and sensor antenna (4), described SAW temperature sensor chip (1) and sub-miniature A connector (2) weldering
Being connected on sensor circuit board (3), described sensor antenna (4) is by sub-miniature A connector (2) and SAW temperature sensor chip (1) electricity
Connect.
The SAW temperature sensor of a kind of replaceable antenna the most according to claim 1, it is characterised in that: described SAW temperature
Sensor chip (1) is passive and wireless passive-type.
The SAW temperature sensor of a kind of replaceable antenna the most according to claim 1, it is characterised in that: described sub-miniature A connector
(2) it is radio frequency (RF) coaxial connector, is welded on sensor circuit board (3), and be electrically connected with described SAW temperature sensor chip (1)
Connect.
The SAW temperature sensor of a kind of replaceable antenna the most according to claim 1, it is characterised in that: described sensor
Antenna (4) is with corresponding SMA interface or the radio-frequency antenna with SMA connecting line.
The SAW temperature sensor of a kind of replaceable antenna the most according to claim 1, it is characterised in that: described sensor
A SAW temperature sensor chip (1) and a sub-miniature A connector (2) is only welded on circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517836.3U CN205748708U (en) | 2016-06-01 | 2016-06-01 | A kind of SAW temperature sensor of replaceable antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620517836.3U CN205748708U (en) | 2016-06-01 | 2016-06-01 | A kind of SAW temperature sensor of replaceable antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748708U true CN205748708U (en) | 2016-11-30 |
Family
ID=57363189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620517836.3U Active CN205748708U (en) | 2016-06-01 | 2016-06-01 | A kind of SAW temperature sensor of replaceable antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111738380A (en) * | 2020-05-19 | 2020-10-02 | 浙江悦和科技有限公司 | Passive RFID temperature measurement label |
-
2016
- 2016-06-01 CN CN201620517836.3U patent/CN205748708U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111738380A (en) * | 2020-05-19 | 2020-10-02 | 浙江悦和科技有限公司 | Passive RFID temperature measurement label |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 No. 3 sail Road, economic development zone, Wujin District, Jiangsu, Changzhou Patentee after: Su Wen electric energy Polytron Technologies Inc Address before: 213000 No. 3 sail Road, economic development zone, Wujin District, Jiangsu, Changzhou Patentee before: SUWEN ELECTRIC ENERGY SCIENCE AND TECHNOLOGY CO., LTD. |