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CN108627180A - Passive sensor arrangement - Google Patents

Passive sensor arrangement Download PDF

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Publication number
CN108627180A
CN108627180A CN201710177750.XA CN201710177750A CN108627180A CN 108627180 A CN108627180 A CN 108627180A CN 201710177750 A CN201710177750 A CN 201710177750A CN 108627180 A CN108627180 A CN 108627180A
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CN
China
Prior art keywords
module
electrically connected
capacitance
sensor arrangement
passive sensor
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710177750.XA
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Chinese (zh)
Inventor
吴德忠
余志成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanning Fulian Fugui Precision Industrial Co Ltd
Original Assignee
Nanning Fugui Precision Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanning Fugui Precision Industrial Co Ltd filed Critical Nanning Fugui Precision Industrial Co Ltd
Priority to CN201710177750.XA priority Critical patent/CN108627180A/en
Publication of CN108627180A publication Critical patent/CN108627180A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A kind of passive sensor arrangement, including Anneta module, voltage changing module, control module, delivery module, data acquisition module, display module, memory module and crystal oscillator.The Anneta module is for receiving energy of electromagnetic field and being converted to electric energy.The voltage changing module is electrically connected to the Anneta module, and the electric energy for being converted to the Anneta module carries out the power reguirements that transformation complies with the passive sensor arrangement.The control module and delivery module are electrically connected to the voltage changing module, and data are connect for the passive sensor arrangement to be controlled and passed.The data acquisition module is electrically connected to the control and delivery module, for acquiring environmental data.Passive sensor arrangement of the present invention obtains the operating voltage of itself by transformation by converting external electromagnetic field energy as electric energy, has achieved the purpose that low-loss, high sensitivity, high reliability, low cost.

Description

Passive sensor arrangement
Technical field
The present invention relates to sensor field more particularly to a kind of passive sensor arrangements.
Background technology
With the development of society, Internet of Things has become the trend of a certainty, wisdom farm more and more use light, Temperature Humidity Sensor provides the service of fining for farm crop, and Temperature Humidity Sensor has a single function at present, and volume is big, cost Height need to manually read data, and it is inconvenient to read, and current Temperature Humidity Sensor generally uses battery as power supply, service life It is limited, trouble is replaced, cannot be reused after dead battery, is resulted in waste of resources and not environmentally.Therefore, it is urgent to provide a kind of new Passive sensor arrangement is to solve the above problems.
Invention content
In view of this, it is necessary to provide a kind of new passive sensor arrangements conveniently to be made with increasing the function of sensor With increasing the service life of sensor, and reduce cost.
A kind of passive sensor arrangement of embodiment of the present invention offer, including Anneta module, voltage changing module, control module, Delivery module, data acquisition module, display module, memory module and crystal oscillator.The Anneta module is for receiving energy of electromagnetic field And be converted to electric energy.The voltage changing module is electrically connected to the Anneta module, the electric energy for converting to the Anneta module into Row transformation complies with the power reguirements of the passive sensor arrangement.The data acquisition module be electrically connected to it is described control and Delivery module, for acquiring environmental data.The control module is electrically connected to the voltage changing module and data acquisition module, is used for Control the work of the voltage changing module and the data acquisition module.The delivery module is electrically connected to the voltage changing module, number According to acquisition module and control module for sending the information that the environmental data or reception external read device are sent out.The display Module is electrically connected to the control and delivery module, for showing the environmental data.
Preferably, above-mentioned passive sensor arrangement further includes memory module, is electrically connected to the control module and transmission mould Block, for storing the environmental data.
Preferably, the environmental data is sent or is stored immediately to the memory module by the control module selection.
Preferably, the Anneta module includes 840-845MHz frequency range UHF RFID dipole antennas, the UHF RFID Dipole antenna includes first coil and the second coil.
Preferably, the voltage changing module includes boost module and Voltage stabilizing module, and the boost module is for increasing the day The voltage of wire module conversion, the Voltage stabilizing module are powered for exporting stable voltage to the passive sensor arrangement.
Preferably, the boost module includes being electrically connected to the first boost module of the first coil and being electrically connected to institute State the second boost module of the second coil.
Preferably, first boost module include the first capacitance being sequentially connected electrically, the first diode, the second capacitance, Third capacitance and the second diode, first capacitance are electrically connected to the anode of first diode, second diode Cathode be electrically connected to the first end of first capacitance and the first coil, the second end of the first coil is electrically connected to The cathode of the anode of second capacitance, third capacitance and third diode, the third diode is electrically connected to described first The first end of coil.
Preferably, second boost module include the 4th capacitance being sequentially connected electrically, the 4th diode, the 5th capacitance, 6th capacitance and the 5th diode, the 4th capacitance are electrically connected to the cathode of the 5th diode and second coil The anode of first end, the 4th diode is electrically connected to the 4th capacitance, and the second end of second coil is electrically connected to The cathode of the anode of 5th capacitance, the 6th capacitance and the 6th diode, the 6th diode is electrically connected to described second The first end of coil.
Preferably, which further includes:
First magnetic field detection end is electrically connected between first diode and second capacitance;
Second magnetic field detection end is electrically connected between the 4th diode and the 5th capacitance, first magnetic field detection End and the second magnetic field detection end are for detecting the magnetic field size that reader is sent out, when detecting magnetic field that the reader is sent out too When big or too small, the control and delivery module send instruction and adjust the magnetic field size that the reader is sent out.
Preferably, when there is multiple readers to cooperate, the passive sensor arrangement can pass through first magnetic field The magnetic field simultaneously strong reader work of selection signal that each reader is sent out is detected at test side and the second magnetic field detection end.
Preferably, the data acquisition module include one of optical sensor, temperature sensor and humidity sensor or Their combination of person.
Passive sensor arrangement of the present invention obtains itself by converting external electromagnetic field energy as electric energy, and by transformation Operating voltage stores the environmental information that passive sensor arrangement obtains by memory, also has the function of real-time display, pass through Control sends environmental information to host with transmission device and helps to analyze, and has reached low-loss, high sensitivity, high reliability, low The purpose of cost.Therefore, the present invention has beneficial effect.
Description of the drawings
Fig. 1 is the module diagram of one embodiment of passive sensor arrangement of the present invention.
Fig. 2 is one embodiment structure schematic diagram of voltage changing module in passive sensor arrangement of the present invention.
Fig. 3 is the workflow schematic diagram of one embodiment of passive sensor arrangement of the present invention.
Main element symbol description
Passive sensor arrangement 1
Control and delivery module 10
Data acquisition module 11
Display module 12
Voltage changing module 13
Anneta module 14
Crystal oscillator 15
Memory module 16
Control module 101
Delivery module 102
Boost module 131
Voltage stabilizing module 132
First boost module 1311
Second boost module 1312
First capacitance-the, 13 capacitance C1-C13
First the-the six diode D1-D6 of diode
First coil A
Second coil B
The four resistance R1-R4 of first resistor-the
First magnetic field detection end-third magnetic field detection end AD1-AD3
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
Specific implementation mode
The design parameter of following implementation is only the present invention to be better described, but should not limit the present invention with concrete numerical value The scope of the claims.
Referring to Fig. 1, Fig. 1 is the module diagram of 1 one embodiment of passive sensor arrangement of the present invention.
As shown in Figure 1, in one embodiment, passive sensor arrangement 1 includes Anneta module 14, voltage changing module 13, control System and delivery module 10, data acquisition module 11, display module 12, memory module 16 and crystal oscillator 15.Anneta module 14, for connecing It receives energy of electromagnetic field and is converted to electric energy, Anneta module 14 may include 840-845MHz frequency range UHF RFID dipole antennas, institute It includes first coil A and the second coil B to state UHF RFID dipole antennas.Voltage changing module 13 is electrically connected to Anneta module 14, uses The power reguirements that transformation complies with the passive sensor arrangement 1 are carried out in the electric energy converted to the Anneta module 14, are become Die block 13 includes boost module 131 and Voltage stabilizing module 132, and the boost module 131 is for increasing 14 turns of the Anneta module The voltage changed, the Voltage stabilizing module 132 are powered for exporting stable voltage to the passive sensor arrangement 1;Control and biography Module 10 is sent, voltage changing module 13 is electrically connected to, data are connect for the passive sensor arrangement 1 to be controlled and passed, is controlled And delivery module 10 includes control module 101 and delivery module 102, in present embodiment, the effect of control module 101 include but It is not limited to realize the control to voltage changing module 13, data acquisition module 11, display module 12, memory module 16 and delivery module 102 System, carries out that voltage conversion, data acquisition, data shows, data store and data transmission, control module 101 can for MCU, CPU, DSP or other can realize the chip and chip portfolio of control function.Delivery module 102 can be bluetooth, WiFi etc. achievable wireless The chip and chip portfolio of transfer function, effect include but not limited to data, the control that transmission data acquisition module 11 acquires The control instruction that module 101 is sent is to reader and receives the relevant information that reader transmits.Data acquisition module 11, electrical connection In the control and delivery module 10, for acquiring environmental data, in present embodiment, data acquisition module 11 includes light sensing Device, temperature sensor and humidity sensor, in other embodiments, digital sampling and processing 11 may include other sensors To acquire other environmental parameters, for example it may include smoke sensor device, acidity-basicity sensor etc..Display module 12 is electrically connected to institute State control and delivery module 10, the working condition for showing passive sensor arrangement 1, including but not limited to time, light sensation letter Breath, temperature, humidity, frequency acquisition etc., in the present embodiment, display module 12 can be OLED (Organic Light Emitting Display, organic light emission pipe), LED (Light Emitting Diode, light emitting diode), LCD (Liquid Crystal Display, liquid crystal display) or other display equipment with display function, it can be their combination, also may be used To be one in them.Memory module 16 is electrically connected to the control and delivery module 10, for storing the environment number According to including but not limited to light sensation information, temperature, humidity, time etc., in present embodiment, memory module 16 can be card-shape Formula can also be floppy disk, can be movable, can also be fixed, such as memory module 16 can be ROM, FLASH.At this In embodiment, crystal oscillator 15 is used for generation system clock signal and reference signal, is electrically connected to the control and delivery module 10.
Referring to Fig. 2, Fig. 2 is one embodiment structure schematic diagram of voltage changing module in passive sensor arrangement of the present invention.
As shown in Fig. 2, in one embodiment, voltage changing module 13 includes boost module 131, and Voltage stabilizing module 132, boost mould Block 131 is electrically connected to first coil A and the second coil B, when reader work generate alternation electromagnetic field when, first coil A and The electromagnetic field of second coil B induction alternations is to convert it as electric energy.Boost module 131, which includes, is electrically connected to the first coil A The first boost module 1311 and be electrically connected to the second boost module 1312 of the second coil B.First boost module 1311 include the first capacitance C1, the first diode D1, the second capacitance C2, third capacitance C3 and the second diode being sequentially connected electrically D2, the first capacitance C1 are electrically connected to the anode of the first diode D1, the cathode electrical connection of the second diode D2 It is electrically connected to described second in the second end of the first end of the first capacitance C1 and the first coil A, the first coil A The anode of capacitance C2, third capacitance C3 and third diode D2 further include third diode D3, the negative electricity of third diode D3 It is connected to the first end of the first coil A.Second boost module 1312 includes the 4th capacitance C4 being sequentially connected electrically, the four or two Pole pipe D4, the 5th capacitance C5, the 6th capacitance C6 and the 5th diode D5, the 4th capacitance C4 are electrically connected to the five or two pole The first end of the cathode of pipe D5 and the second coil B, the anode of the 4th diode D4 are electrically connected to the 4th capacitance The second end of C4, the second coil B are being electrically connected to the 5th capacitance C5, the 6th capacitance C6 and the 6th diode D6 just Pole, the second boost module 1312 further include the 6th diode D6, and the cathode of the 6th diode D6 is electrically connected to the second coil B First end.
In the present embodiment, boost module 131 is electrically connected with the first magnetic field detection end AD1, the second magnetic field detection end AD2.First magnetic field detection end AD1 is by being electrically connected between the first diode D1 and the second capacitance C2, the second magnetic field detection end AD2 is electrically connected between the 4th diode D4 and the 5th capacitance, first magnetic field detection end AD1 and the second magnetic field detection end AD2 is for detecting the electromagnetic field size that reader is sent out, when the magnetic field for detecting that reader is sent out is too big or too small, control And delivery module 10 sends the magnetic field size that instruction adjustment reader is sent out.In the present embodiment, voltage changing module 131 is also electrically connected Be connected to third magnetic field detection end AD3, by the 4th resistance R4 be electrically connected to boost module 131 for detect sent out by reader Electromagnetic field conversion total voltage.
In the present embodiment, Voltage stabilizing module 132 includes 3rd resistor R3, the 11st capacitance C11, the 12nd capacitance C12, TLV431 chips, the voltage for going out boost module 131 are converted into 2.5 volts of stable voltages for passive sensor arrangement 1 It uses.
In the present embodiment, passive sensor arrangement 1 converts the energy of electromagnetic field of reader generation as the method for electric energy For:
It is illustrated by taking the work of the first boost module 1311 as an example below, 1312 working method of the second boost module and first Boost module 1311 is similar.
When reader is started to work, generation electromagnetic field of high frequency, Anneta module 14 receives the electromagnetic field of high frequency of alternation, passes through Mutual inductance makes passive sensor arrangement 1 generate resonance with reader.In the positive half cycle of electromagnetic field variation, the first diode D1 is connected, Second diode D2 cut-offs, the first capacitor C1 chargings;When negative half period, the first diode D1 cut-offs, the second diode D2 conductings, Capacitor C2 chargings.
In other embodiments, passive sensor module 1, which can be distributed, is arranged in different location, and multiple readers can group Net work, when there is multiple readers to cooperate, the passive sensor arrangement can pass through first magnetic field detection end AD1 And second magnetic field detection end AD2 detect magnetic field that each reader is sent out and the strong reader work of selection signal.
In other embodiments, delivery module 102 can be wireless transport module, may be, for example, bluetooth module, bluetooth mould Block may be disposed in multiple passive sensor modules 1 or reader, bluetooth module can networking use, one expand wireless transmission Range improves efficiency.
Referring to Fig. 3, Fig. 3 is the workflow schematic diagram of one embodiment of passive sensor arrangement of the present invention.
The work step of passive sensor arrangement 1 of the present invention is:
S301:Reader is started to work, and alternation electromagnetic field of high frequency is generated;
S302:Passive sensor arrangement 1 incudes the electromagnetic field that reader is sent out and produces electricl energy;
S303:Boost module 131, Voltage stabilizing module 132 work, and obtain the burning voltage that passive sensor arrangement 1 needs;
S304:Passive sensor arrangement 1 detects the magnetic field intensity that reader is sent out;
S305:Passive sensor arrangement 1 judges whether the magnetic field that reader generates is too strong or too weak, if so, returning S301, and send instructions to reader adjustment magnetic field size;
S306:Passive sensor arrangement 1 acquires the environmental datas such as light, temperature, humidity;
S307:Storage environment data;
S308:The environmental data of the transmission acquisition of delivery module 102 is to reader;
S309:Reader judges whether data are complete, if imperfect, return to S308 and retransmits data;
S310:Reader judges whether to terminate gathered data, S306 is returned if still needing to acquisition and continues gathered data;
S311:Close reader;
S312:Stop the work of passive sensor arrangement 1.
It is to be understood that above for the workflow of passive sensor arrangement 1 describe purpose be it is clear, clearly Illustrate the work step of passive sensor arrangement 1, and be not intended to limit the present invention, is increased on the basis of the present invention Step, reduction step, change sequence are all considered as the same variation of the present invention, all within protection scope of the present invention.
In the present embodiment, reader distribution is set to different location, and reader passes through wired or wirelessly It is connected to host, host receives the data of reader passback and sends the work of instruction control reader.In other embodiment In, reader can also use by movable type, for example, technical staff can with handheld reader to need acquisition environmental information Local gathered data.
Due to the selection of above-mentioned technical proposal, the beneficial effects of the invention are as follows apparent:
Passive sensor arrangement light harvesting of the present invention, Temperature Humidity Sensor are overcome in one using wireless way for transmitting data The problem of difficult wiring, by converting external electromagnetic field energy as electric energy, memory stores what passive sensor arrangement obtained Environmental information also has the function of real-time display, and sending environmental information to host help with transmission device by control analyzes, And it can monitor the size that reader sends out magnetic field in real time, reach low-loss, high sensitivity, high reliability, low cost Purpose.Therefore, this case has beneficial effect.
It is understood that for person of ordinary skill in the field, it can be conceived with the technique according to the invention and be done Go out various other corresponding changes and deformation, and all these changes and deformation should all belong to the protection model of the claims in the present invention It encloses.

Claims (11)

1. a kind of passive sensor arrangement, which is characterized in that including:
Anneta module, for receiving energy of electromagnetic field and being converted to electric energy;
Voltage changing module is electrically connected to the Anneta module, and the electric energy for being converted to the Anneta module, which carries out transformation, makes its symbol Close the power reguirements of the passive sensor arrangement;
Data acquisition module, for acquiring environmental data;
Control module is electrically connected to the voltage changing module and the data acquisition module, for controlling the voltage changing module and institute State the work of data acquisition module;
Delivery module is electrically connected to the voltage changing module, the data acquisition module and the control module, described for sending Environmental data receives the information that external read device is sent out;And
Display module is electrically connected to the control module and the delivery module, for showing the environmental data.
2. passive sensor arrangement as described in claim 1, which is characterized in that further include memory module, be electrically connected to described Control module and the delivery module, for storing the environmental data.
3. passive sensor arrangement as claimed in claim 2, which is characterized in that the control module is selected the environment number According to sending or store to the memory module immediately.
4. passive sensor arrangement as described in claim 1, which is characterized in that the Anneta module includes 840-845MHz frequencies Section UHF RFID dipole antennas, the UHF RFID dipole antennas include first coil and the second coil.
5. passive sensor arrangement as claimed in claim 4, which is characterized in that the voltage changing module includes boost module and steady Die block, the boost module are used to increase the voltage of the Anneta module conversion, and the Voltage stabilizing module is stable for exporting Voltage is powered to the passive sensor arrangement.
6. passive sensor arrangement as claimed in claim 5, which is characterized in that the boost module is described including being electrically connected to First boost module of first coil and the second boost module for being electrically connected to second coil.
7. passive sensor arrangement as claimed in claim 6, which is characterized in that first boost module includes being electrically connected successively The first capacitance, the first diode, the second capacitance, third capacitance and the second diode connect, first capacitance are electrically connected to institute The anode of the first diode is stated, the cathode of second diode is electrically connected to the of first capacitance and the first coil One end, the second end of the first coil is electrically connected to the anode of second capacitance, third capacitance and third diode, described The cathode of third diode is electrically connected to the first end of the first coil.
8. passive sensor arrangement as claimed in claim 7, which is characterized in that second boost module includes being electrically connected successively The 4th capacitance, the 4th diode, the 5th capacitance, the 6th capacitance and the 5th diode connect, the 4th capacitance are electrically connected to institute The cathode of the 5th diode and the first end of second coil are stated, the anode of the 4th diode is electrically connected to the described 4th Capacitance, the second end of second coil is electrically connected to the anode of the 5th capacitance, the 6th capacitance and the 6th diode, described The cathode of 6th diode is electrically connected to the first end of second coil.
9. passive sensor arrangement as claimed in claim 8, which is characterized in that further include:
First magnetic field detection end is electrically connected between first diode and second capacitance;
Second magnetic field detection end is electrically connected between the 4th diode and the 5th capacitance, first magnetic field detection end and For detecting the magnetic field size that reader is sent out, the control module is used for according to detecting described read at the second magnetic field detection end The magnetic field size that device is sent out is read, the delivery module is controlled and sends the magnetic field size that the instruction adjustment reader is sent out.
10. passive sensor arrangement as claimed in claim 9, which is characterized in that when there is multiple readers to cooperate, institute The magnetic that each reader is sent out can be detected by first magnetic field detection end and the second magnetic field detection end by stating passive sensor arrangement The field simultaneously strong reader work of selection signal.
11. passive sensor arrangement as described in claim 1, which is characterized in that the data acquisition module includes light sensing One of device, temperature sensor and humidity sensor or combination thereof.
CN201710177750.XA 2017-03-23 2017-03-23 Passive sensor arrangement Pending CN108627180A (en)

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Application Number Priority Date Filing Date Title
CN201710177750.XA CN108627180A (en) 2017-03-23 2017-03-23 Passive sensor arrangement

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Application Number Priority Date Filing Date Title
CN201710177750.XA CN108627180A (en) 2017-03-23 2017-03-23 Passive sensor arrangement

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Publication Number Publication Date
CN108627180A true CN108627180A (en) 2018-10-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110995323A (en) * 2019-11-28 2020-04-10 北京优炫智能科技有限公司 Passive device
CN114279319A (en) * 2020-09-28 2022-04-05 深圳富桂精密工业有限公司 Apparatus for detecting mounting defect of component and method thereof

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CN106452117A (en) * 2016-12-08 2017-02-22 重庆邮电大学 Broadband rectifier for radio frequency energy collecting system
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CN114279319A (en) * 2020-09-28 2022-04-05 深圳富桂精密工业有限公司 Apparatus for detecting mounting defect of component and method thereof
CN114279319B (en) * 2020-09-28 2024-04-12 深圳富联富桂精密工业有限公司 Device for detecting mounting defect of element and method thereof

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Application publication date: 20181009