CN201917406U - Wireless temperature measuring sensor for high-voltage aerial cable connector - Google Patents
Wireless temperature measuring sensor for high-voltage aerial cable connector Download PDFInfo
- Publication number
- CN201917406U CN201917406U CN2010206794577U CN201020679457U CN201917406U CN 201917406 U CN201917406 U CN 201917406U CN 2010206794577 U CN2010206794577 U CN 2010206794577U CN 201020679457 U CN201020679457 U CN 201020679457U CN 201917406 U CN201917406 U CN 201917406U
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Abstract
The utility model relates to a wireless temperature measuring sensor for a high-voltage aerial cable connector, which comprises a microcontroller, a temperature sensor, a wireless communication circuit and a power source. The wireless temperature measuring sensor is characterized in that an aluminum temperature sensor is arranged on a metal equipotential fixed plate arranged at the bottom of a plastic shell of the temperature sensor, a circuit board is fixed onto the metal equipotential fixed plate and includes an ultra-low power consumption microprocessor, a wireless transceiving circuit, a helical antenna, a high-energy lithium battery, resistors and capacitors, and a 18B20 sensor is embedded in the aluminum temperature sensor. The aluminum digital sensor is used for temperature sensing, sensed temperature is transmitted to the microprocessor to be subjected to data processing, data exchange to the external is realized through the wireless transceiving circuit nRF905, and the wireless temperature measuring sensor is capable of protecting normal operation of circuits from being interfered by a strong electric field.
Description
Technical field
The utility model relates to a kind of high voltage overhead cable splice wireless temperature measurement sensor, is used for high voltage overhead temperature of cable junction monitoring field.
Background technology
The high voltage overhead cable splice is a key equipment of carrying electricity, cable splice can generate heat because of the contact is aging or contact resistance is excessive, or owing to can not adapt to outdoor abominable environment for use, and the accident generation that equipment burnout occurs or have a power failure suddenly, because the height that high-tension cable sets up is very high, can not in time obtain the problem of cable splice, the document that domestic place does not also carry out temperature survey accurately and feeds back timely built on stilts cable splice at present.
Summary of the invention
The purpose of this utility model is to provide a kind of high voltage overhead cable splice wireless temperature measurement sensor, its temperature sense adopts the form of aluminum digital sensor, the temperature of induction send microprocessor to carry out data processing, data are carried out exchanges data by wireless transceiver circuit (nRF905) and outside, its environment for use is the high voltage high-intensity magnetic field, all circuit places with keep equipotential with the metal fixed head, microprocessor and wireless transceiver circuit nRF905 adopt the individual screen cover, guarantee the circuit operate as normal, not disturbed by highfield.
The technical solution of the utility model is achieved in that a kind of high voltage overhead cable splice wireless temperature measurement sensor, by microcontroller, temperature sensor and radio communication circuit, power supply is formed, it is characterized in that: the plastic casing bottom of temperature sensor is provided with metal equipotential fixed head, metal equipotential fixed head is provided with the aluminum temperature inductor, be fixed with circuit board on the metal equipotential fixed head, circuit board comprises the super low-power consumption microprocessor, wireless transceiver circuit, helical antenna, high power lithium battery, resistance capacitor device, the embedded 18B20 sensor of aluminum temperature inductor.
The temperature of the embedded 18B20 sensor measurement of described temperature inductor cable splice, send microcontroller to carry out data processing, data are carried out exchanges data by wireless transceiver circuit nRF905 transceiving chip and outside, and the data that record are sent to cable temperature monitoring data acquisition repeater.
Good effect of the present utility model is the form that its temperature sense adopts the aluminum digital sensor, the temperature of induction send microprocessor to carry out data processing, data are carried out exchanges data by wireless transceiver circuit (nRF905) and outside, and it can guarantee the circuit operate as normal, not disturbed by highfield.
Description of drawings
Fig. 1 cable splice wireless temperature measurement sensor construction synoptic diagram.
Fig. 2 is a principle of work block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described: a kind of as shown in Figure 1 high voltage overhead cable splice wireless temperature measurement sensor, by microcontroller, temperature sensor and radio communication circuit, power supply is formed, it is characterized in that: plastic casing 1 bottom of temperature sensor is provided with metal equipotential fixed head 2, metal equipotential fixed head 2 is provided with aluminum temperature inductor 3, be fixed with circuit board on the metal equipotential fixed head 2, circuit board comprises the super low-power consumption microprocessor, wireless transceiver circuit, helical antenna, high power lithium battery, resistance capacitor device, the embedded 18B20 sensor of aluminum temperature inductor.
As shown in Figure 2, the temperature of the embedded 18B20 sensor measurement of described temperature inductor cable splice, send microcontroller to carry out data processing, data are carried out exchanges data by wireless transceiver circuit nRF905 transceiving chip and outside, and the data that record are sent to cable temperature monitoring data acquisition repeater.
Probe power adopts high power lithium battery and super capacitor combination, high power lithium battery is selected import Israel battery for use, can adapt to outdoor abominable environment for use, temperature range-55-+150 degree, in 8-10 years life-spans, super capacitor is mainly considered the problem of communicating circuit transmitting-receiving instantaneous large-current.
Radio transmitting and receiving chip nRF905 is a transceiving integrated wireless receiving chip, operating voltage is 1.9-3.6V, working in three channels of 433/868/915MHz freely uses, have modulator and demodulator, can pack automatically during transmission, can automatic address during reception coupling, CRC check automatically, after sending and receiving, its DR pin can be set to high level automatically, send or receive with expression, nRF905 offers SPI interface of controller of application, and speed is by microcontroller oneself decision, and it is very convenient therefore to programme.Its power consumption is very low, and electric current has only 11mA during with the output power emission of-10dBm, and electric current is 12.5 mA when receiving mode, and the power-down state electric current only is 2.5uA.NRF905 has 4 kinds of mode of operations, is respectively power down and SPI programming mode, standby and SPI programming mode, receiving mode, sending mode.Its mode of operation is by the height level decision of control 3 pin TRE_CE, TX_EN and PWR_UP.
Microcontroller adopts the MSP430 series monolithic MSP430F2131 of TI company.The operating voltage of MSP430F2131 is 1.8-3.6V, and electric current is about 200uA during operate as normal, and the electric current of working under the dormancy condition only is 0.7uA, has special advantages in battery powered super low-power consumption is used.
Temperature sensor adopts the unibus type digital temperature sensor DS18B20 of U.S. DALLAS semiconductor production.DS18B20 is 12 a digital quantity with the temperature transition of cable splice under the control of microcontroller, and the microcontroller reading temperature data also carries out signal Processing.The measurement range of DS18B20 is from-55 ~+125 ℃, and precision is 0.5 ℃.
Claims (2)
1. high voltage overhead cable splice wireless temperature measurement sensor, form by microcontroller, temperature sensor and radio communication circuit, power supply, it is characterized in that: the plastic casing bottom of temperature sensor is provided with metal equipotential fixed head, metal equipotential fixed head is provided with the aluminum temperature inductor, be fixed with circuit board on the metal equipotential fixed head, circuit board comprises super low-power consumption microprocessor, wireless transceiver circuit, helical antenna, high power lithium battery, resistance capacitor device, the embedded 18B20 sensor of aluminum temperature inductor.
2. a kind of high voltage overhead cable splice wireless temperature measurement sensor according to claim 1, the temperature that it is characterized in that the embedded 18B20 sensor measurement of described temperature inductor cable splice, send microcontroller to carry out data processing, data are carried out exchanges data by wireless transceiver circuit nRF905 transceiving chip and outside, and the data that record are sent to cable temperature monitoring data acquisition repeater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206794577U CN201917406U (en) | 2010-12-25 | 2010-12-25 | Wireless temperature measuring sensor for high-voltage aerial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206794577U CN201917406U (en) | 2010-12-25 | 2010-12-25 | Wireless temperature measuring sensor for high-voltage aerial cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917406U true CN201917406U (en) | 2011-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206794577U Expired - Fee Related CN201917406U (en) | 2010-12-25 | 2010-12-25 | Wireless temperature measuring sensor for high-voltage aerial cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917406U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269038A (en) * | 2014-08-21 | 2015-01-07 | 国家电网公司 | A low-tension cable temperature pre-warning system |
| CN109269672A (en) * | 2018-09-26 | 2019-01-25 | 江苏史利姆智能测控技术有限公司 | A kind of pyrostat and its encapsulating method |
| CN114302033A (en) * | 2021-12-01 | 2022-04-08 | 杭州海康威视数字技术股份有限公司 | Photographing apparatus |
-
2010
- 2010-12-25 CN CN2010206794577U patent/CN201917406U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269038A (en) * | 2014-08-21 | 2015-01-07 | 国家电网公司 | A low-tension cable temperature pre-warning system |
| CN109269672A (en) * | 2018-09-26 | 2019-01-25 | 江苏史利姆智能测控技术有限公司 | A kind of pyrostat and its encapsulating method |
| CN114302033A (en) * | 2021-12-01 | 2022-04-08 | 杭州海康威视数字技术股份有限公司 | Photographing apparatus |
| CN114302033B (en) * | 2021-12-01 | 2023-09-29 | 杭州海康威视数字技术股份有限公司 | Photographing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20111225 |