CN204334132U - A kind of microwave type wireless power supply system for wireless senser - Google Patents
A kind of microwave type wireless power supply system for wireless senser Download PDFInfo
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- CN204334132U CN204334132U CN201520015900.3U CN201520015900U CN204334132U CN 204334132 U CN204334132 U CN 204334132U CN 201520015900 U CN201520015900 U CN 201520015900U CN 204334132 U CN204334132 U CN 204334132U
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Abstract
A kind of microwave type wireless power supply system for wireless senser that the utility model provides, wherein, power module provides electric energy for radiofrequency signal generation module and power amplifier module, radiofrequency signal generation module is made up of voltage-controlled oscillator VCO and phase-locked loop, power amplifier module is made up of power amplification circuit, rectification module is made up of filter circuit and Schottky barrier diode, the signal of telecommunication is transmitted into space in the mode of microwave by transmitting antenna, the microwave signal received is converted into the signal of telecommunication by reception antenna, filter circuit realizes the filtering to high order harmonic component, high frequency ac signal is converted into direct current signal by Schottky barrier diode, export to the battery of wireless senser.The utility model can realize powering to multiple wireless sensor node, and uses the microwave of 433MHZ, and reduce hazards of electromagnetic radiation, solve different distance, multiple wireless sensers of diverse location carry out the technical problem of powering.
Description
Technical field
The utility model relates to a kind of wireless power supply system for wireless senser, particularly relates to a kind of wireless power supply system using 433MHZ microwave.
Background technology
Existing wireless senser mainly adopts dry cell power supply, needs to be serviced, which increase maintenance cost when electricity is not enough.Existing wireless power supply major part utilizes electromagnetic induction principle, carrys out transmitting energy by the magnetic field of a pair coil, and this mode needs power consumption equipment to be placed on fixing position, and transmission range only has several centimetres, is very restricted.Although there is some modes adopting microwave transmission energy at present, more existing schemes adopt the microwave of 2.45GHZ mostly, can produce harm when this microwave reaches certain power to human body.
Based on each technical problem above, the utility model provides a kind of microwave type wireless power supply system for wireless senser, its structure is simple, easy to use, reliable, adopts microwave transmission energy, can realize longer-distance transmission, and to the position not too large requirement of power consumption equipment, solve different distance, multiple wireless sensers of diverse location carry out powering, and, the utility model adopts the microwave of 433MHZ, reduces the harm of electromagnetic radiation.
Summary of the invention
For above-mentioned situation, for solving the defect of prior art, the object of the utility model just there is provided a kind of microwave type wireless power supply system for wireless senser, it comprises power module, radiofrequency signal generation module, power amplifier module, transmitting antenna, reception antenna, rectification module, it is characterized in that, described power module, radiofrequency signal generation module, power amplifier module is connected successively with transmitting antenna, described reception antenna is connected with described rectification module, described power module provides electric energy for radiofrequency signal generation module and power amplifier module, described radiofrequency signal generation module is made up of voltage-controlled oscillator VCO and phase-locked loop, described power amplifier module is made up of power amplification circuit, described rectification module is made up of filter circuit and Schottky barrier diode, the signal of telecommunication is transmitted into space in the mode of microwave by described transmitting antenna, the microwave signal received is converted into the signal of telecommunication by described reception antenna, described filter circuit realizes the filtering to high order harmonic component, high frequency ac signal is converted into direct current signal by described Schottky barrier diode, export to the battery of wireless senser.
Further, as preferably, the voltage-controlled oscillator VCO of the voltage-controlled oscillator VCO of described radiofrequency signal generation module to be operating frequency be 433MHZ.
Further, as preferably, centered by the power amplification circuit of described power amplifier module, frequency is at 433MHZ, and gain is the power amplification circuit of 20dB.
Further, as preferably, the operating frequency of described radiofrequency signal generation module is 433MHZ.
Further, as preferably, described transmitting antenna is microwave antenna, and described reception antenna is dipole microstrip antenna.
The beneficial effects of the utility model: the utility model provides a kind of microwave type wireless power supply system for wireless senser, its structure is simple, easy to use, reliably, eliminate the constraint to power consumption equipment, power consumption equipment can be put at space free, what the powering mode for one-to-many provided may, can realize powering to multiple wireless sensor node, simultaneously, the mode that the utility model adopts microwave to power, solve wireless senser Maintenance Difficulty and the not far problem of induction wireless power transmission range, by using the microwave of 433MHZ, reduce hazards of electromagnetic radiation, solve different distance, multiple wireless sensers of diverse location carry out powering.
Accompanying drawing explanation
The structural representation of a kind of microwave type wireless power supply system for wireless senser that Fig. 1 provides for the utility model.
Wherein, 1, power module, 2, radiofrequency signal generation module, 3, power amplifier module, 4, transmitting antenna, 5, reception antenna, 6, filter circuit, 7, Schottky barrier diode, 8, battery.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, the utility model provides a kind of microwave type wireless power supply system for wireless senser, it comprises power module 1, radiofrequency signal generation module 2, power amplifier module 3, transmitting antenna 4, reception antenna 5, rectification module, power module 1, radiofrequency signal generation module 2, power amplifier module 3 is connected successively with transmitting antenna 4, reception antenna 5 is connected with rectification module, power module 1 provides electric energy for radiofrequency signal generation module 2 and power amplifier module 3, radiofrequency signal generation module 2 is made up of voltage-controlled oscillator VCO and phase-locked loop, power amplifier module 3 is made up of power amplification circuit, rectification module is made up of filter circuit 6 and Schottky barrier diode 7, the signal of telecommunication is transmitted into space in the mode of microwave by transmitting antenna 4, the microwave signal received is converted into the signal of telecommunication by reception antenna 5, filter circuit 6 realizes the filtering to high order harmonic component, high frequency ac signal is converted into direct current signal by Schottky barrier diode 7, export to the battery 8 of wireless senser.
In the present embodiment, the voltage-controlled oscillator VCO of the voltage-controlled oscillator VCO of radiofrequency signal generation module 2 to be operating frequency be 433MHZ.Centered by the power amplification circuit of power amplifier module 3, frequency is at 433MHZ, and gain is the power amplification circuit of 20dB.Meanwhile, transmitting antenna 4 is microwave antenna, and reception antenna 5 is dipole microstrip antenna.
In the utility model, the voltage of power module 1 stable output, as the power supply of the chip in radiofrequency signal generation module 2 and power amplifier module 3, VCO in radiofrequency signal generation module 2 produces sinusoidal wave, 433MHZ through phase-locked loop stable output is sinusoidal wave, signal is amplified to about 1W through power amplifier module 3, space is transmitted into the form of microwave by transmitting antenna, microwave is received antenna 5 and receives and convert the signal of telecommunication to and enter filter circuit 6, direct current is changed into by Schottky barrier diode 7 after elimination high order harmonic component, output to battery 8 to charge to battery 8, such as, for the Temperature and Humidity of silo, multiple stage transmitter can be arranged in silo, to spatial emission microwave, power to the humidity temperature pickup be dispersed in silo.
The utility model adopts microwave transmission energy, longer-distance transmission can be realized, and to the position not too large requirement of power consumption equipment, solve different distance, multiple wireless sensers of diverse location carry out powering, and the utility model adopts the microwave of 433MHZ, reduces the harm of electromagnetic radiation.
Claims (5)
1. the microwave type wireless power supply system for wireless senser, it comprises power module, radiofrequency signal generation module, power amplifier module, transmitting antenna, reception antenna, rectification module, it is characterized in that, described power module, radiofrequency signal generation module, power amplifier module is connected successively with transmitting antenna, described reception antenna is connected with described rectification module, described power module provides electric energy for radiofrequency signal generation module and power amplifier module, described radiofrequency signal generation module is made up of voltage-controlled oscillator VCO and phase-locked loop, described power amplifier module is made up of power amplification circuit, described rectification module is made up of filter circuit and Schottky barrier diode, the signal of telecommunication is transmitted into space in the mode of microwave by described transmitting antenna, the microwave signal received is converted into the signal of telecommunication by described reception antenna, described filter circuit realizes the filtering to high order harmonic component, high frequency ac signal is converted into direct current signal by described Schottky barrier diode, export to the battery of wireless senser.
2. a kind of microwave type wireless power supply system for wireless senser according to claim 1, is characterized in that, the voltage-controlled oscillator VCO of the voltage-controlled oscillator VCO of described radiofrequency signal generation module to be operating frequency be 433MHZ.
3. a kind of microwave type wireless power supply system for wireless senser according to claim 2, it is characterized in that, centered by the power amplification circuit of described power amplifier module, frequency is at 433MHZ, and gain is the power amplification circuit of 20dB.
4. a kind of microwave type wireless power supply system for wireless senser according to claim 1, is characterized in that, the operating frequency of described radiofrequency signal generation module is 433MHZ.
5. a kind of microwave type wireless power supply system for wireless senser according to claim 1, it is characterized in that, described transmitting antenna is microwave antenna, and described reception antenna is dipole microstrip antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015900.3U CN204334132U (en) | 2015-01-07 | 2015-01-07 | A kind of microwave type wireless power supply system for wireless senser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520015900.3U CN204334132U (en) | 2015-01-07 | 2015-01-07 | A kind of microwave type wireless power supply system for wireless senser |
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| CN204334132U true CN204334132U (en) | 2015-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520015900.3U Expired - Fee Related CN204334132U (en) | 2015-01-07 | 2015-01-07 | A kind of microwave type wireless power supply system for wireless senser |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026424A (en) * | 2016-06-29 | 2016-10-12 | 国网内蒙古东部电力有限公司通辽供电公司 | Power supply system applied to power capacitor online monitoring system |
| CN106451823A (en) * | 2016-09-05 | 2017-02-22 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Portable high gain wireless energy transmitter |
| CN107247162A (en) * | 2017-07-20 | 2017-10-13 | 云南电网有限责任公司电力科学研究院 | The electric power system of active electronic transformer mesohigh lateral circuit |
| CN107733105A (en) * | 2017-11-08 | 2018-02-23 | 深圳市春宏实业有限公司 | Contactless power transmission device |
| CN107846083A (en) * | 2017-12-05 | 2018-03-27 | 广东电网有限责任公司江门供电局 | Wireless energy supply is in the system of MEMS electric-field sensors, method and respective electric field sensor |
| CN109729749A (en) * | 2016-06-02 | 2019-05-07 | Wp能源特殊有限公司 | Multiband energy acquisition |
| CN111756435A (en) * | 2020-07-07 | 2020-10-09 | 中国科学院微小卫星创新研究院 | Power and signal transmission system |
| CN111865355A (en) * | 2020-07-29 | 2020-10-30 | 西北工业大学 | Wireless power and information transmission system based on second harmonic |
| CN113225018A (en) * | 2021-05-11 | 2021-08-06 | 上海芯喜电子科技有限公司 | Solar panel wireless power supply sensing device and monitoring system |
| CN113629886A (en) * | 2021-08-06 | 2021-11-09 | 深圳绅聚科技有限公司 | Energy supply module, system and product using radio frequency energy |
| CN107846083B (en) * | 2017-12-05 | 2024-04-30 | 广东电网有限责任公司江门供电局 | System and method for wireless energy supply to MEMS electric field sensor and corresponding electric field sensor |
-
2015
- 2015-01-07 CN CN201520015900.3U patent/CN204334132U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729749A (en) * | 2016-06-02 | 2019-05-07 | Wp能源特殊有限公司 | Multiband energy acquisition |
| CN106026424A (en) * | 2016-06-29 | 2016-10-12 | 国网内蒙古东部电力有限公司通辽供电公司 | Power supply system applied to power capacitor online monitoring system |
| CN106451823A (en) * | 2016-09-05 | 2017-02-22 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | Portable high gain wireless energy transmitter |
| CN106451823B (en) * | 2016-09-05 | 2019-02-05 | 广东顺德中山大学卡内基梅隆大学国际联合研究院 | A kind of portable high-gain wireless energy transmission machine |
| CN107247162A (en) * | 2017-07-20 | 2017-10-13 | 云南电网有限责任公司电力科学研究院 | The electric power system of active electronic transformer mesohigh lateral circuit |
| CN107733105A (en) * | 2017-11-08 | 2018-02-23 | 深圳市春宏实业有限公司 | Contactless power transmission device |
| CN107846083A (en) * | 2017-12-05 | 2018-03-27 | 广东电网有限责任公司江门供电局 | Wireless energy supply is in the system of MEMS electric-field sensors, method and respective electric field sensor |
| CN107846083B (en) * | 2017-12-05 | 2024-04-30 | 广东电网有限责任公司江门供电局 | System and method for wireless energy supply to MEMS electric field sensor and corresponding electric field sensor |
| CN111756435A (en) * | 2020-07-07 | 2020-10-09 | 中国科学院微小卫星创新研究院 | Power and signal transmission system |
| CN111865355A (en) * | 2020-07-29 | 2020-10-30 | 西北工业大学 | Wireless power and information transmission system based on second harmonic |
| CN113225018A (en) * | 2021-05-11 | 2021-08-06 | 上海芯喜电子科技有限公司 | Solar panel wireless power supply sensing device and monitoring system |
| CN113629886A (en) * | 2021-08-06 | 2021-11-09 | 深圳绅聚科技有限公司 | Energy supply module, system and product using radio frequency energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Zhejiang University Document name: Notification of Termination of Patent Right |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20160107 |