CN108599784A - A kind of sender unit and method - Google Patents
A kind of sender unit and method Download PDFInfo
- Publication number
- CN108599784A CN108599784A CN201810654487.3A CN201810654487A CN108599784A CN 108599784 A CN108599784 A CN 108599784A CN 201810654487 A CN201810654487 A CN 201810654487A CN 108599784 A CN108599784 A CN 108599784A
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- CN
- China
- Prior art keywords
- sender unit
- piezoelectric patches
- electric energy
- energy acquisition
- acquisition circuit
- Prior art date
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000008054 signal transmission Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000875 corresponding effect Effects 0.000 abstract description 3
- 230000004913 activation Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000021393 food security Nutrition 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/03—Constructional details, e.g. casings, housings
- H04B1/034—Portable transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H04B5/77—
Abstract
The invention discloses a kind of sender unit, including signal transmission circuit, shell, setting cavity inside housings, energy acquisition circuit and the piezoelectric patches in cavity inside is set.Also disclose a kind of signal transmitting method, including step：S1, piezoelectric patches receive impressed pressure；S2, piezoelectric patches convert impressed pressure to electric energy；S3, energy acquisition circuit acquire electric energy, when electric energy reaches particular value, output voltage to signal transmission circuit；S4, signal transmission circuit receiving voltage is to start work and be sent out information.Electric energy is converted the pressure to by piezoelectric patches；Energy acquisition circuit acquires electric energy, when electric energy reaches particular value, output voltage sends information for signal transmission circuit, device end receives information and executes corresponding action, provide a kind of sender unit and method, without battery, maintain easily and manage and transmission range farther out, have good economic and social benefit.
Description
Technical field
The present invention relates to wireless radio-frequency, more particularly to a kind of sender unit and method.
Background technology
RFID：Radio Frequency Identification, radio frequency identification.
Radio frequency identification is a kind of communication technology, and specific objective can be identified by radio signals and reads and writes dependency number
According to without establishing mechanical or optical contact between identifying system and specific objective.RFID technique application at present is very wide, such as：Figure
Book shop, access control system, food security are traced to the source.What derivative product was most widely used at present in RFID technique has two classes：It is passive
RFID products and active RFID product.Passive RFID product does not need battery, but apart from short, is only suitable for short-range data hair
It send, the distance, such as mass transit card, access card etc. of generally only several cm.Active RFID product belongs to remote identification, but needs
Battery, several days or some months, and not Portable belt, bad maintenance and management can only be used by filling primary electricity.
Invention content
In order to solve the above-mentioned technical problem, the object of the present invention is to provide one kind without battery, maintains easily management and passes
Defeated distance sender unit farther out and method.
The technical solution adopted in the present invention is：A kind of sender unit, including signal transmission circuit further include shell
Body, setting cavity inside housings, energy acquisition circuit and the piezoelectric patches in cavity inside is set；
The piezoelectric patches is used to convert impressed pressure to electric energy, the input terminal company of the piezoelectric patches and energy acquisition circuit
It connects, the output end of the energy acquisition circuit is connect with the input terminal of the signal transmission circuit.
Preferably, the shell includes face-piece and bottom case, and the face-piece and bottom case are detachably connected and form the cavity.
Preferably, the signal transmission circuit includes radio-frequency antenna and radio transmitter, the energy acquisition circuit
Output end is connect with the input terminal of the radio transmitter, and the output end of the radio transmitter connects with the radio-frequency antenna
It connects.
Preferably, the radio transmitter includes CMT2119 wireless transmission chips.
Preferably, the energy acquisition circuit and the radio transmitter are arranged on one piece of circuit board.
Preferably, the energy acquisition circuit includes voltage monitoring chip.
Preferably, the case inside is coated with conductive layer, the positive and negative anodes of the piezoelectric patches by the conductive layer with it is described
Energy acquisition circuit connects.
A kind of signal transmitting method is applied to a kind of above-mentioned sender unit, including step：
S1, piezoelectric patches receive impressed pressure；
S2, the piezoelectric patches convert the impressed pressure to electric energy；
S3, the energy acquisition circuit acquire the electric energy, when the electric energy reaches particular value, output voltage to signal
Radiating circuit；
S4, the signal transmission circuit receiving voltage is to start work and be sent out information.
Preferably, described information is the unique ID code of the sender unit.
The beneficial effects of the invention are as follows：Electric energy is converted the pressure to by piezoelectric patches；Energy acquisition circuit acquires electric energy, when
When electric energy reaches particular value, output voltage sends information for signal transmission circuit.Overcome passive RFID in existing RFID technique
Product and active RFID product there are the problem of, provide a kind of sender unit and method, without battery, maintain easily and
Management and transmission range farther out, have good economic and social benefit.
Description of the drawings
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of a specific embodiment of sender unit in the present invention；
Fig. 2 is a kind of left view of a specific embodiment of sender unit in the present invention；
Fig. 3 is a kind of circuit signal of a specific embodiment of the signal transmission circuit of sender unit in the present invention
Figure.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
As depicted in figs. 1 and 2, it is a kind of structural schematic diagram of sender unit in the present invention, including shell 1, face
Radio-frequency antenna 5, cavity between shell 2, bottom case 3, setting cavity 4 inside housings, cavity and shell and the electricity between shell
Road plate 6, the piezoelectric patches 7 being arranged in cavity.Piezoelectric patches 7 is connect with circuit board 6, and circuit board 6 is connect with radio-frequency antenna 5.
2 inside of face-piece is coated with graphite linings or other conductive layers.Air or colloid or other insulating materials are filled in cavity 4.
Piezoelectric patches 7 is piezoelectric ceramic piece, has positive and negative two pole.5 surrounding cavity 4 of radio-frequency antenna, is rectangle setting.Piezoelectric patches 7
Positive and negative anodes are connected to circuit board 6 by graphite linings or other conductive layers.
Energy acquisition circuit and radio transmitter are arranged on circuit board 6.The input terminal and piezoelectricity of energy acquisition circuit
Piece 7 connects, and the input terminal of the output end of energy acquisition circuit and radio transmitter connects, the output end of radio transmitter with
Radio-frequency antenna 5 connects.
When pressing sender unit, since piezoelectric patches 7 deforms upon, electric signal is generated, i.e., is converted impressed pressure
For electric energy.Electric signal flows to circuit board 6 by graphite linings, and the energy acquisition circuit on circuit board acquires electric energy.When electric energy reaches
When particular value, output voltage is to radio transmitter, so that radio transmitter sends information by radio-frequency antenna 5；Equipment is whole
Termination is collected mail after breath, and corresponding action is executed.Since piezoelectric patches 7 can convert impressed pressure to electric energy, so the present invention
Sender unit is not necessarily to battery, and light weight is portable, maintains easily and manages.
In the present embodiment, energy acquisition circuit using including rectifier bridge, storage capacitor and voltage monitoring chip, piezoelectric patches
The input terminal of output end and rectifier bridge connects, and the input terminal of the output end of rectifier bridge and storage capacitor connects, storage capacitor it is defeated
Outlet is connect with the input terminal of voltage monitoring chip, and the output end of voltage monitoring chip and the input terminal of signal transmission circuit connect
It connects.Electric energy acquisition and storage are realized using rectifier bridge and storage capacitor, and using voltage monitoring chip to the electricity of the electric energy of storage
Pressure is monitored.When voltage monitoring chip monitoring to electric energy reaches particular value, voltage monitoring chip exports a high voltage VCC
To the input terminal of radio transmitter, the operating voltage of information is sent for providing radio transmitter by radio-frequency antenna 5.
As shown in figure 3, being a kind of electricity of a specific embodiment of the signal transmission circuit of sender unit in the present invention
Road schematic diagram.
In the present embodiment, signal transmission circuit includes radio-frequency antenna 5 and radio transmitter.Radio transmitter uses
CMT2119 wireless transmission chips.Wherein, 6 pins of CMT2119 chips receive the high voltage VCC of energy acquisition circuit output；
ANT is antennal interface, is connect with radio-frequency antenna 5, and information is emitted to device end by radio-frequency antenna 5.In the present embodiment, letter
Breath is the unique ID code of sender unit.After device end receives information, so that it may to execute corresponding action.For example stop
The opening a sluice gate of parking lot, the enabling etc. of door lock.
Further, in conjunction with a kind of sender unit of the present invention, it is whole with equipment that sender unit can be carried out
The Distance Judgment at end.The working frequency range of CMT2119 chips is 240-960MHz, belongs to low-frequency range.In the present embodiment, at equipment end
Low frequency activation device, when sender unit enters the activation range of low frequency activation device close to device end, low frequency are set on end
Activator appliance activates.Since low-frequency range can only be activated in a small range, it is possible to by judging whether low frequency activation device is swashed
It is living, to judge the approximate location of sender unit, carry out some more humanized services.For example, the positioning systems such as GPS
The a wide range of of outdoor is may be only available for, indoor object cannot be positioned.If the sender unit of the present invention is added GPS
Full process positioning and the tracking of object space may be implemented in positioning system.
It is to be illustrated to the preferable implementation of the present invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (9)
1. a kind of sender unit, including signal transmission circuit, which is characterized in that further include shell, be arranged inside housings
Cavity, energy acquisition circuit and the piezoelectric patches in cavity inside is set；
The piezoelectric patches is used to convert impressed pressure to electric energy, and the input terminal of the piezoelectric patches and energy acquisition circuit connects,
The output end of the energy acquisition circuit is connect with the input terminal of the signal transmission circuit.
2. a kind of sender unit according to claim 1, which is characterized in that the shell includes face-piece and bottom case,
The face-piece and bottom case are detachably connected and form the cavity.
3. a kind of sender unit according to claim 1, which is characterized in that the signal transmission circuit includes radio frequency
Antenna and radio transmitter, the output end of the energy acquisition circuit are connect with the input terminal of the radio transmitter, institute
The output end for stating radio transmitter is connect with the radio-frequency antenna.
4. a kind of sender unit according to claim 3, which is characterized in that the radio transmitter includes
CMT2119 wireless transmission chips.
5. according to claim 3 or a kind of sender unit of 4 any one of them, which is characterized in that the energy acquisition electricity
Road and the radio transmitter are arranged on one piece of circuit board.
6. according to a kind of sender unit of claim 1-4 any one of them, which is characterized in that the energy acquisition circuit
Including voltage monitoring chip.
7. according to a kind of sender unit of claim 1-4 any one of them, which is characterized in that the case inside is coated with
The positive and negative anodes of conductive layer, the piezoelectric patches are connect by the conductive layer with the energy acquisition circuit.
8. a kind of signal transmitting method, which is characterized in that be applied to a kind of signal transmitting dress of claim 1-7 any one of them
It sets, which is characterized in that including step：
S1, piezoelectric patches receive impressed pressure；
S2, the piezoelectric patches convert the impressed pressure to electric energy；
S3, the energy acquisition circuit acquires the electric energy, and when the electric energy reaches particular value, output voltage to signal emits
Circuit；
S4, the signal transmission circuit receiving voltage is to start work and be sent out information.
9. a kind of signal transmitting method according to claim 8, which is characterized in that described information is signal transmitting dress
The unique ID code set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654487.3A CN108599784A (en) | 2018-06-22 | 2018-06-22 | A kind of sender unit and method |
| PCT/CN2018/098426 WO2019242077A1 (en) | 2018-06-22 | 2018-08-03 | Signal transmission apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810654487.3A CN108599784A (en) | 2018-06-22 | 2018-06-22 | A kind of sender unit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108599784A true CN108599784A (en) | 2018-09-28 |
Family
ID=63634087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810654487.3A Pending CN108599784A (en) | 2018-06-22 | 2018-06-22 | A kind of sender unit and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108599784A (en) |
| WO (1) | WO2019242077A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411149A (en) * | 2010-09-21 | 2012-04-11 | 上海科斗电子科技有限公司 | Sensor convenient for tracking and localization |
| US20160128632A1 (en) * | 2014-11-10 | 2016-05-12 | MAD Apparel, Inc. | Garment integrated sensing system and method |
| CN206773741U (en) * | 2017-04-18 | 2017-12-19 | 吉林大学珠海学院 | A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy |
| CN206893093U (en) * | 2017-06-01 | 2018-01-16 | 西安交通工程学院 | A kind of country road junction Traffic Light Automatic Control system |
-
2018
- 2018-06-22 CN CN201810654487.3A patent/CN108599784A/en active Pending
- 2018-08-03 WO PCT/CN2018/098426 patent/WO2019242077A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411149A (en) * | 2010-09-21 | 2012-04-11 | 上海科斗电子科技有限公司 | Sensor convenient for tracking and localization |
| US20160128632A1 (en) * | 2014-11-10 | 2016-05-12 | MAD Apparel, Inc. | Garment integrated sensing system and method |
| CN206773741U (en) * | 2017-04-18 | 2017-12-19 | 吉林大学珠海学院 | A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy |
| CN206893093U (en) * | 2017-06-01 | 2018-01-16 | 西安交通工程学院 | A kind of country road junction Traffic Light Automatic Control system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019242077A1 (en) | 2019-12-26 |
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| PB01 | Publication | ||
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Application publication date: 20180928 |