CN106451578B - The acceleration sensor system and network base station for having wireless charging function - Google Patents
The acceleration sensor system and network base station for having wireless charging function Download PDFInfo
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- CN106451578B CN106451578B CN201510468597.7A CN201510468597A CN106451578B CN 106451578 B CN106451578 B CN 106451578B CN 201510468597 A CN201510468597 A CN 201510468597A CN 106451578 B CN106451578 B CN 106451578B
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Abstract
The present invention provides a kind of acceleration sensor system for having wireless charging function and base stations, the base station of data communication, the base station setting governor circuit, electromagnetic wave generator, signal receiving circuit, duplexer and antenna are carried out the system comprises multiple wireless semi-active acceleration transducers and with wireless semi-active acceleration transducer；There are two working frequencies for the base station tool, wherein the first working frequency is that the working frequency of wireless data communication is carried out with sensor, and the second working frequency is that the working frequency of wireless charging is carried out to sensor.The disadvantages of battery life encountered in the present invention overcomes conventional active sensor is low, replacement trouble, and maintenance cost is high, signal receiver and the wireless charger of sensor are combined into one, and integrated level are improved, so that the assembling of system more facilitates；The transmission power of wireless charging of the present invention can be prevented the waste of energy, be improved efficiency with intelligent control.
Description
Technical field
The invention belongs to electronic information fields, and in particular to have the acceleration transducer network base station of wireless charging function
And system, the return path signal and transmitting electromagnetic impulse that can receive Wireless Acceleration Sensor are to semi-active wireless sensor
Energy is provided.
Technical background
With the development and universal, the coriolis acceleration sensor module in the outer packing of retail business commodity of technology of Internet of things
It acquires the behavioral data of buyer, and is subject to analysis mining, it has also become understand merchandise sales situation and customer in real time to commodity
The strong approach of interest level.But common acceleration sensor apparatus is active sensor on the market at present, is considered
To sensor volume answer it is as small as possible, so usually using button cell as power supply.Button cell capacity is small, can not weigh
Multiple charging, needs to be replaced frequently, it is very big to cause maintenance costs of the operator in this data collection system.
Summary of the invention
The first purpose of this invention is aiming at the problem that above-mentioned physical presence, proposes one kind and has wireless charging electric work
The acceleration sensor system of energy.For this purpose, the invention adopts the following technical scheme:
The acceleration sensor system for having wireless charging function, it is characterised in that it includes multiple wireless semi-active acceleration
It spends sensor and carries out the base station of data communication with wireless semi-active acceleration transducer, governor circuit, electricity is arranged in the base station
Magnetic wave generator, signal receiving circuit, duplexer and antenna；There are two working frequencies for the base station tool, wherein the first work
Frequency is that the working frequency of wireless data communication is carried out with wireless semi-active acceleration transducer, and the second working frequency is to wireless
Semi-active acceleration transducer carries out the working frequency of wireless charging, and the governor circuit control electromagnetic wave generator, signal connect
Circuit, duplexer and antenna are received, receive the first service frequency signal by certain timing and sends the second working frequency electromagnetic wave.
Another object of the present invention is to provide a kind of sensing for having wireless charging function that can be applied to above system
Device network base station.For this purpose, the invention adopts the following technical scheme:
The sensor network base station for having wireless charging function, it is characterised in that the base station includes governor circuit, electricity
Magnetic wave generator, signal receiving circuit, duplexer and antenna；There are two working frequencies for the base station tool, wherein the first work
Frequency is that the working frequency of data communication is carried out with wireless semi-active sensor, and the second working frequency is to wireless semi-active sensing
Device carries out the working frequency of wireless charging, the governor circuit control electromagnetic wave generator, signal receiving circuit, duplexer and day
Line receives the first service frequency signal by certain timing and sends the second working frequency electromagnetic wave.
Further, electromagnetic wave generator transmission power required for governor circuit can be adjusted intelligently, can be by nothing
The data forwarding of the semi-active sensor passback of line can control the transmitting-receiving conversion of duplexer to host computer.
The working frequency of base station is 860MHz-960MHz or 2.4GHz-2.5GHz.
In practice, often with a shelf or close on wireless semi-active acceleration transducer in several shelf jointly from
Belong to a base station, form a system, or with one layer of shelf or closes on wireless semi-active acceleration sensing in several layers of
Device is subordinated to a base station jointly, forms a system.Although being influenced when electromagnetic wave is propagated in air by disperse and decaying,
The efficiency of transmission of electricity is very low, but wirelessly the average operating current of semi-active sensor is generally within 10uA, and power consumption is extremely low, one
It can satisfy the power consumption requirements of sensor in set a distance using wireless power transmission.
Governor circuit uses microprocessor chip, can be program-controlled to the progress of the output power of electromagnetic wave generator, according to one
Fixed period distances issue the electromagnetic impulse of fixed frequency, and can be believed according to the remaining capacity that wireless semi-active sensor returns
Breath adjusts the size of transmission power；Microprocessor chip is responsible for the signal received to signal receiving circuit in remaining time
It is decoded and is transmitted to host computer；Also it is responsible for the transmitting-receiving switching of control duplexer simultaneously.
The beneficial effects of the present invention are:
(1), overcome the battery life that conventional active sensor encounters in it is low, replacement trouble, maintenance cost height etc.
Disadvantage.
(2), the signal receiver and wireless charger for making sensor are combined into one, and improve integrated level, so that system
Assembling it is more convenient.
(3), the transmission power of wireless charging can be prevented the waste of energy, be improved efficiency with intelligent control.
Detailed description of the invention:
Fig. 1 is the frame principle figure of base station embodiment provided by the present invention.
Fig. 2 is can be with the frame principle figure of the matching used wireless semi-active acceleration transducer in base station of the present invention.
Fig. 3 is the switching sequence figure of the power emission circuit of base station of the present invention, signal receiving circuit.
Specific embodiment:
Referring to attached drawing.The acceleration transducer network base station provided by the present invention for having wireless charging function, feature
It is that the base station includes governor circuit, electromagnetic wave generator, signal receiving circuit, duplexer and antenna element；It is described
There are two working frequencies for base station tool, wherein the first working frequency is to carry out data communication with wireless semi-active acceleration transducer
Working frequency, the second working frequency is that the working frequency of wireless charging is carried out to wireless semi-active acceleration transducer, described
Governor circuit controls electromagnetic wave generator, signal receiving circuit, duplexer and antenna, receives the first working frequency by certain timing
The second working frequency electromagnetic wave of signal and transmission.
The governor circuit is made of microprocessor chip and clock circuit.
The electromagnetic wave generator is made of sine-wave oscillator and power amplifier, intermediate power amplifier it is defeated
Control of the power by governor circuit out, the sine wave freuqency of transmission are 860MHz-960MHz or 2.4GHz-2.5GHz.
The signal receiving circuit is by low-noise amplifier, frequency mixer, local oscillator, intermediate frequency amplifier and demodulation
Device etc. is constituted, and the signal of output is transmitted to host computer by microprocessor chip and carries out subsequent signal processing.
The antenna uses omnidirectional antenna, to guarantee maximum area that base station signal is covered.
Wireless semi-active acceleration sensor system include multiple wireless semi-active acceleration transducers and with wirelessly partly have
The above-mentioned base station of source acceleration transducer progress data communication.
Wireless semi-active acceleration sensor structure of the present invention is as shown in Figure 2.The wireless semi-active acceleration
Sensor includes duplexer, signal transmission circuit, current rectifying and wave filtering circuit, power supply, acceleration transducer and governor circuit.Add
Velocity sensor is connect with governor circuit, and duplexer, signal transmission circuit, current rectifying and wave filtering circuit are controlled by governor circuit.
The governor circuit is made of microprocessor chip and clock circuit.
The power supply is generally made of capacitor.
The signal transmission circuit is made of voltage controlled oscillator and power amplifier.
The current rectifying and wave filtering circuit is made of Schottky diode and filter capacitor.
The specific works timing of wireless semi-active acceleration sensor system of the invention is as shown in Figure 3.Each work week
Phase is made of transmission sinusoidal electromagnetic wave time slot and transmission signal slot two parts.
Firstly, sending sinusoidal electromagnetic wave time slot, base station is high-power to each wireless semi-active acceleration transducer transmitting
Electromagnetic wave, it is automatic to detect current time capacitor institute when wireless semi-active acceleration transducer recognizes the high-power signal
The electricity of storage opens current rectifying and wave filtering circuit and charges to capacitor if electricity is lower than thresholding；Conversely, not charging then.
After judgement sends sine wave time slot, each wireless semi-active acceleration transducer is according to the secondary of program setting
Sequence successively returns to acceleration information to base station.After the signal receiving circuit of base station receives and recovers these data, pass through USB
Interface is transmitted to host computer and carries out subsequent processing.
Since each wireless semi-active respective clock of acceleration transducer is independent, may occur after longtime running larger
Error, therefore, this system are subject to the clock of base station, and each wireless semi-active acceleration transducer is receiving high-power sine
While wave signal, respective clock is calibrated, it is ensured that clocking error in each calibration cycle a certain range it
It is interior.
Claims (3)
1. the acceleration sensor system for having wireless charging function, it is characterised in that it includes multiple wireless semi-active acceleration
Sensor and the base station that data communication is carried out with wireless semi-active acceleration transducer, governor circuit, electromagnetism is arranged in the base station
Wave producer, signal receiving circuit, duplexer and antenna；There are two working frequencies for the base station tool, wherein the first work frequency
Rate is that the working frequency of wireless data communication is carried out with wireless semi-active acceleration transducer, and the second working frequency is to wireless half
Active accelerated degree sensor carries out the working frequency of wireless charging, and the governor circuit control electromagnetic wave generator, signal receive
Circuit, duplexer and antenna receive the first service frequency signal by certain timing and send the second working frequency electromagnetic wave；
Each duty cycle of base station is made of transmission sinusoidal electromagnetic wave time slot and transmission signal slot two parts；Firstly, sending out
Sinusoidal electromagnetic wave time slot is sent, base station emits powerful electromagnetic wave to each wireless semi-active acceleration transducer, when wireless half
When active accelerated degree sensor recognizes the high-power signal, the automatic electricity for detecting current time capacitor and being stored, if electric
Amount is lower than thresholding, then the current rectifying and wave filtering circuit that wireless semi-active acceleration transducer opens it charges to its capacitor；Conversely,
It does not charge then；After judgement sends sine wave time slot, each wireless semi-active acceleration transducer is successively returned to base station
Acceleration information；The system is subject to the clock of base station, each wireless semi-active acceleration transducer receive it is high-power just
While string electromagnetic wave signal, respective clock is calibrated, it is ensured that the clocking error in each calibration cycle is certain
Within the scope of.
2. the acceleration sensor system according to claim 1 for having wireless charging function, it is characterised in that master control electricity
Electromagnetic wave generator transmission power required for road can intelligently be adjusted can return wireless semi-active acceleration transducer
Data forwarding to host computer, can control the transmitting-receiving conversion of duplexer.
3. the acceleration sensor system according to claim 1 for having wireless charging function, it is characterised in that base station dress
The working frequency set is 860MHz-960MHz or 2.4GHz-2.5GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468597.7A CN106451578B (en) | 2015-08-03 | 2015-08-03 | The acceleration sensor system and network base station for having wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510468597.7A CN106451578B (en) | 2015-08-03 | 2015-08-03 | The acceleration sensor system and network base station for having wireless charging function |
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| Publication Number | Publication Date |
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| CN106451578A CN106451578A (en) | 2017-02-22 |
| CN106451578B true CN106451578B (en) | 2019-09-20 |
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| CN201510468597.7A Active CN106451578B (en) | 2015-08-03 | 2015-08-03 | The acceleration sensor system and network base station for having wireless charging function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2781673Y (en) * | 2005-03-24 | 2006-05-17 | 唐锦鳌 | Active tracking alarm electronic instrument for stolen vehicle |
| CN200976660Y (en) * | 2006-11-24 | 2007-11-14 | 中兴通讯股份有限公司 | Wireless response terminal |
| CN103487600A (en) * | 2013-09-04 | 2014-01-01 | 杭州中瑞思创科技股份有限公司 | Wireless acceleration sensor device |
| CN204391786U (en) * | 2014-12-31 | 2015-06-10 | 湖南新光井盖科技有限公司 | A kind of well lid motion state monitoring device based on wireless charging technology |
-
2015
- 2015-08-03 CN CN201510468597.7A patent/CN106451578B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2781673Y (en) * | 2005-03-24 | 2006-05-17 | 唐锦鳌 | Active tracking alarm electronic instrument for stolen vehicle |
| CN200976660Y (en) * | 2006-11-24 | 2007-11-14 | 中兴通讯股份有限公司 | Wireless response terminal |
| CN103487600A (en) * | 2013-09-04 | 2014-01-01 | 杭州中瑞思创科技股份有限公司 | Wireless acceleration sensor device |
| CN204391786U (en) * | 2014-12-31 | 2015-06-10 | 湖南新光井盖科技有限公司 | A kind of well lid motion state monitoring device based on wireless charging technology |
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| CN106451578A (en) | 2017-02-22 |
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