CN205537988U - Passive wireless temperature sensor - Google Patents
Passive wireless temperature sensor Download PDFInfo
- Publication number
- CN205537988U CN205537988U CN201620050676.6U CN201620050676U CN205537988U CN 205537988 U CN205537988 U CN 205537988U CN 201620050676 U CN201620050676 U CN 201620050676U CN 205537988 U CN205537988 U CN 205537988U
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- Prior art keywords
- temperature sensor
- passive wireless
- temperature
- saw tooth
- tooth belt
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Abstract
The utility model provides a passive wireless temperature sensor belongs to temperature monitoring equipment technical field, it closes gold sheet and temperature probe to include sawtooth area, module box, get the electricity, inside circuit board and the antenna of being equipped with of module box, antenna setting is in on the circuit board, the circuit board is provided with power input end and temperature measurement input, get the electricity close gold sheet with the power input end is connected, the temperature probe with the temperature measurement input is connected. The utility model discloses a passive wireless temperature sensor, but the temperature probe direct mount in measuring point department, transmit temperature data to outside receiving equipment through wireless mode on, realize the high voltage live body and secondary measuring instrument's thorough isolation, the working power supply of temperature measuring unit and data transmission unit closes induction energy in the electric current that gold sheet stayed from primary equipment through getting the electricity, need not the external power source power supply, through the sawtooth area, can be easy to assemble in electrical connection department.
Description
Technical field
This utility model belongs to temperature monitoring equipment technical field, especially a kind of passive wireless temperature sensor.
Background technology
In power system, from power plant to transmitting and transforming equipment, and in the whole transmitting procedure of terminal use's electrical equipment, substantial amounts of variable temperature is had to need detection, early warning.High pressure equipment connecting portion such as bus junction point, various switches, chopper, sleeve of main transformer folder, high-voltage cable joint etc., due to the cold and hot change of weather, material aging, corrosion, loosen etc. reason, easily cause loose contact, contact resistance increase.When big electric current passes through, easily burning out equipment, serious even causes primary equipment blast on fire.
Passive wireless temperature sensor to Temperature Monitoring of HV Apparatus on-line monitoring at present, uses the power taking magnet ring that magnetic density is low mostly, and power taking sheet is thicker, is not easy to install, and heating is serious.
Utility model content
The utility model proposes a kind of passive wireless temperature sensor, in order to solve existing passive temperature sensor, inconvenience, serious problem of generating heat are installed.
This utility model specifically adopts the following technical scheme that realization:
A kind of passive wireless temperature sensor, including saw tooth belt, modular cartridge, power taking alloy sheet and temperature probe, described power taking alloy sheet is fixed on described saw tooth belt, wiring board and antenna it is provided with inside described modular cartridge, described antenna is arranged on described wiring board, described wiring board is provided with power input and thermometric input, and described power taking alloy sheet is connected with described power input, and described temperature probe is connected with described thermometric input.
As preferably, described built-in circuit board has current-to-voltage converting circuit, overvoltage crowbar, mu balanced circuit, temperature collection circuit and wireless radio frequency modules.
As preferably, described wireless radio frequency modules uses ZigBee wireless communication technology.
As preferably, described saw tooth belt is provided with several helical teeth, and one end of described saw tooth belt is provided with fore shaft.
As preferably, described helical teeth is equally arranged on described saw tooth belt.
As preferably, described saw tooth belt uses silica gel material.
As preferably, described power taking alloy sheet uses dilval material.
As preferably, described temperature probe selects NTC temperature sensor.
The passive wireless temperature sensor that this utility model provides, have the beneficial effects that: temperature probe can be directly mounted at measurement point, wirelessly temperature data is transferred on external reception equipment, it is achieved high-voltage charged body is isolated with the thorough of double measurement instrument；The working power of temperature measuring unit and data transmission unit is by power taking alloy sheet inductive energy from the electric current that primary equipment stayed, it is not necessary to external power source is powered；By saw tooth belt, can be easily installed at electrical connection.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model passive wireless temperature sensor；
Fig. 2 is that in Fig. 1, modular cartridge 2 internal circuit connects block diagram.
In figure: 1-saw tooth belt；2-modular cartridge；3-power taking alloy sheet；4-temperature probe；11-helical teeth；12-fore shaft；21-antenna；22-current-to-voltage converting circuit；23-overvoltage crowbar；24-mu balanced circuit；25-temperature collection circuit；26-wireless radio frequency modules.
Detailed description of the invention
For further illustrating each embodiment, this utility model is provided with accompanying drawing.These accompanying drawings are a part for this utility model disclosure, and it is mainly in order to illustrate embodiment, and the associated description of description can be coordinated to explain the operation principles of embodiment.Coordinating with reference to these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantage of the present utility model.Assembly in figure is not necessarily to scale, and similar element numbers is conventionally used to indicate similar assembly.
In conjunction with the drawings and specific embodiments, this utility model is further illustrated.
As it is shown in figure 1, the present embodiment provides a kind of passive wireless temperature sensor, including saw tooth belt 1, modular cartridge 2, power taking alloy sheet 3 and temperature probe 4.The dilval material of power taking alloy sheet 3 the most nickeliferous 78%, pcrmeability is high, and saturation induction density is about 0.65T, and therefore the present embodiment can be operated in smaller operating current, and caloric value is less, and power taking alloy sheet 3 thickness only has about 0.3mm.Laminar power taking alloy sheet 3 is fixed on the saw tooth belt 1 of silica gel material, equidistant several helical teeth 11 of arranging on saw tooth belt 1, one end of saw tooth belt 1 is provided with fore shaft 12, saw tooth belt 1 inserts in fore shaft 12 and strains, can power taking alloy sheet 3 be wrapped at electrical connection, utilizing mode inductive energy from the electric current of equipment of electromagnetic induction, temperature probe 4 directly contacts at point for measuring temperature.
nullAs shown in Figure 2，Wiring board and antenna 21 it is provided with inside modular cartridge 2，Wiring board comprises current-to-voltage converting circuit 22、Overvoltage crowbar 23、Mu balanced circuit 24、Temperature collection circuit 25 and wireless radio frequency modules 26，Power taking alloy sheet 3 induces the electric current in circuit by sensing magnetic core，By current-to-voltage converting circuit 22，Convert electrical current into voltage，When voltage exceedes certain value，Overvoltage crowbar 23 generation effect in circuit，High electric voltage is limited to certain value scope，Again by the mu balanced circuit 24 of rear class，Stable running voltage is provided to temperature collection circuit 25 and wireless radio frequency modules 26，Temperature collection circuit 25 gathers temperature probe 4 temperature signal，ZigBee wireless communication technology is utilized by wireless radio frequency modules 26，The data sampled are sent with wireless form by antenna 21.
Although specifically showing in conjunction with preferred embodiment and describing this utility model; but those skilled in the art should be understood that; in the spirit and scope of the present utility model limited without departing from appended claims; this utility model can be made a variety of changes in the form and details, be protection domain of the present utility model.
Claims (8)
1. a passive wireless temperature sensor, including saw tooth belt (1), modular cartridge (2), power taking alloy sheet (3) and temperature probe (4), it is characterized in that, described power taking alloy sheet (3) is fixed on described saw tooth belt (1), described modular cartridge (2) is internal is provided with wiring board and antenna (21), described antenna (21) is arranged on described wiring board, described wiring board is provided with power input and thermometric input, described power taking alloy sheet (3) is connected with described power input, described temperature probe (4) is connected with described thermometric input.
A kind of passive wireless temperature sensor the most according to claim 1, it is characterised in that: described built-in circuit board has current-to-voltage converting circuit (22), overvoltage crowbar (23), mu balanced circuit (24), temperature collection circuit (25) and wireless radio frequency modules (26).
A kind of passive wireless temperature sensor the most according to claim 2, it is characterised in that: described wireless radio frequency modules (26) uses ZigBee wireless communication technology.
A kind of passive wireless temperature sensor the most according to claim 1, it is characterised in that: described saw tooth belt (1) is provided with several helical teeth (11), and one end of described saw tooth belt (1) is provided with fore shaft (12).
A kind of passive wireless temperature sensor the most according to claim 4, it is characterised in that: described helical teeth (11) is equally arranged on described saw tooth belt (1).
A kind of passive wireless temperature sensor the most according to claim 4, it is characterised in that: described saw tooth belt (1) uses silica gel material.
A kind of passive wireless temperature sensor the most according to claim 1, it is characterised in that: described power taking alloy sheet (3) uses dilval material.
A kind of passive wireless temperature sensor the most according to claim 1, it is characterised in that: described temperature probe (4) selects NTC temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620050676.6U CN205537988U (en) | 2016-01-19 | 2016-01-19 | Passive wireless temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620050676.6U CN205537988U (en) | 2016-01-19 | 2016-01-19 | Passive wireless temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205537988U true CN205537988U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620050676.6U Expired - Fee Related CN205537988U (en) | 2016-01-19 | 2016-01-19 | Passive wireless temperature sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205537988U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168725A (en) * | 2018-01-16 | 2018-06-15 | 山东乾立光电科技有限公司 | A kind of passive and wireless temp measuring method and device |
| CN108281787A (en) * | 2018-01-17 | 2018-07-13 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108548615A (en) * | 2018-04-17 | 2018-09-18 | 安徽合电正泰电气成套设备有限公司 | Watchband type passive wireless temperature measuring device |
| CN109297610A (en) * | 2018-11-15 | 2019-02-01 | 河南泰隆电力设备股份有限公司 | Passive energy storage type wireless temperature measuring device and installation method thereof |
| CN111829675A (en) * | 2020-08-06 | 2020-10-27 | 广东电网有限责任公司佛山供电局 | Temperature measuring device of power distribution network monitoring system |
| 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 |
-
2016
- 2016-01-19 CN CN201620050676.6U patent/CN205537988U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168725A (en) * | 2018-01-16 | 2018-06-15 | 山东乾立光电科技有限公司 | A kind of passive and wireless temp measuring method and device |
| CN108281787A (en) * | 2018-01-17 | 2018-07-13 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108548615A (en) * | 2018-04-17 | 2018-09-18 | 安徽合电正泰电气成套设备有限公司 | Watchband type passive wireless temperature measuring device |
| CN109297610A (en) * | 2018-11-15 | 2019-02-01 | 河南泰隆电力设备股份有限公司 | Passive energy storage type wireless temperature measuring device and installation method thereof |
| CN111829675A (en) * | 2020-08-06 | 2020-10-27 | 广东电网有限责任公司佛山供电局 | Temperature measuring device of power distribution network monitoring system |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |