CN206773741U - A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy - Google Patents
A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy Download PDFInfo
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- CN206773741U CN206773741U CN201720407050.0U CN201720407050U CN206773741U CN 206773741 U CN206773741 U CN 206773741U CN 201720407050 U CN201720407050 U CN 201720407050U CN 206773741 U CN206773741 U CN 206773741U
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- brt
- powered
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- electronic tag
- vehicles systems
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Abstract
The utility model discloses a kind of self-powered BRT electronic tag for vehicles systems using vibrational energy, including：Vibration energy collector, itself vibration is converted into electric energy；Rectification circuit, the electric energy of collection is converted into direct current；Accumulator, electric energy is stored, periodically RFID circuit is powered；And RFID circuit.Vibrational energy during the utility model can be travelled using collection vehicle is powered as vehicle tag, it is not necessary to battery powered and continuous firing, service life length.
Description
Technical field
It the utility model is related to a kind of BRT electronic tag for vehicles, and in particular to a kind of self-powered BRT vehicles of vibrational energy
Electronic tag.
Background technology
Bus rapid transit (Bus Rapid Transit, BRT) vehicle is at present at home or even very popular in the world, now
Electronic tag for BRT vehicles is mainly type active RFID electronic label, but all type active RFID electronic labels are required for
Battery powered, the restricted lifetime of battery, generally only 6 months~3 years (depending on signal transmit cycle and battery capacity), such as
China authorizes the vehicle management system based on type active RFID electronic label that patent of invention (grant number 201010605852.5) is announced
System.
Utility model content
The utility model provides a kind of self-powered BRT electronic tag for vehicles systems using vibrational energy, can be with collecting vehicle
Vibrational energy in traveling is powered for vehicle tag, it is not necessary to which battery powered and continuous firing, service life are grown.
A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy, including：
Vibration energy collector, itself vibration is converted into electric energy；
Rectification circuit, the electric energy of collection is converted into direct current；
Accumulator, storage electric energy are simultaneously periodically powered to RFID circuit；
And RFID circuit.
Vibration energy collector collection vehicle traveling in vibrational energy and be converted into electric energy, supply
RFID circuit, realize the self-powered of RFID circuit, it is not necessary to extra power supply again.
Preferably, the vibration energy collector is piezoelectric patches, and piezoelectric patches is provided with balancing weight.Piezoelectric patches is used for collecting vehicle
Traveling in vibrational energy, be converted to voltage output；Balancing weight is used to strengthen amplitude caused by vibration.
It is further preferred that also including BRT label housings, the RFID circuit is placed in the BRT label housings, the pressure
Electric piece is arranged on BRT label housing outer surfaces.It is further preferred that the quantity of the piezoelectric patches may be configured as 2-4, even
Mode is connect as parallel connection.
BRT vehicles are running over vibration frequency caused by journey in 0.5~25Hz or so, it is further preferred that the piezoelectricity
Piece is the piezoelectric patches of 0.5~25Hz LF-responses.
It is further preferred that the balancing weight is a diameter of 0.4~0.6cm copper ball.It is further preferred that described match somebody with somebody
Pouring weight is that the setting of a diameter of 0.5cm copper ball balancing weight causes vibration frequency to reach resonance, is greatly vibration amplitude increase,
So as to which piezoelectric patches exports higher voltage.
Preferably, the rectification circuit is voltage doubling rectifing circuit.
Voltage rectifier is composed in series by several commutation diodes, and the positive terminal of rectification series circuit is ac input end,
Connect two output ends of piezoelectric patches；The negative pole end of rectification series circuit is DC output end, connects the input of accumulator；
The corresponding charging capacitor of each commutation diode in rectification series circuit, rectification and guide function using diode will
Voltage is stored on respective electric capacity respectively, and the principle that then they are added by polarity is connected in series, and output is higher than input electricity
The high pressure of pressure.
It is further preferred that the voltage doubling rectifing circuit is four voltage doubling rectifing circuits.
Four voltage doubling rectifing circuit is composed in series by four commutation diodes (D1, D2, D3, D4), rectification series circuit
Positive terminal be ac input end (A, B end), connect two output ends of piezoelectric patches, the negative pole end of rectification series circuit is direct current
Output end (C, D end), connect the input of accumulator.Preferably, the accumulator is capacitor energy storage circuit, by super electricity
Hold and high frequency capacitance composition, output end, the output end of the input connection rectification circuit of the super capacitor connect high frequency capacitance
Input, the high frequency capacitance output end connection RFID circuit input.
Super capacitor typically takes 1-5F, for storing the voltage of rectification output；High frequency capacitance typically takes 10nF, for filtering
Environment and system produce high frequency spurs, and clean voltage is stablized in acquisition.
Preferably, the RFID circuit is the active RFID integration module of 1.8~3.3V power supplies.The integration module is commercialization
Product, it can directly buy acquisition.
Compared with prior art, the utility model is simple in construction, easy for installation, can not need the situation of cell apparatus
Under, BRT electronic tag for vehicles can continuously work, so as to reduce battery altering workload and battery pollution, energy-conserving and environment-protective.
Brief description of the drawings
Fig. 1 is system schematic of the present utility model.
Fig. 2 is vibration energy collector schematic diagram of the present utility model.
Fig. 3 is the utility model rectification circuit schematic diagram.
Fig. 4 is the utility model energy storage circuit schematic diagram.
Reference is shown in Fig. 2：
1-BRT label housing 2- piezoelectric patches 3- balancing weights
Embodiment
A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy, as shown in figure 1, including being sequentially arranged
Vibration energy collector, rectification circuit, accumulator and RFID circuit.
Vibration energy collector installed in BRT labels housing 1 as shown in Fig. 2 including that (can use body structure, RFID electricity
Road is placed in the housing) on piezoelectric patches 2 and the balancing weight 3 that is fixed on the one end of piezoelectric patches 2, piezoelectric patches is using highly sensitive
The piezoelectric patches of 0.5~25Hz or so LF-responses.Balancing weight uses a diameter of 0.5cm copper ball, and the setting of balancing weight to shake
Dynamic frequency reaches resonance, is greatly vibration amplitude increase, so as to which piezoelectric patches exports higher voltage.
Rectification circuit uses the voltage doubling rectifing circuit that the Schottky of low turn-on voltage forms, and four times are used in present embodiment
Voltage rectifier, as shown in figure 3, be sequentially connected in series by four commutation diodes (D1, D2, D3, D4), rectification series circuit
Positive terminal is ac input end (A, B end), and A, B end connect two output ends of piezoelectric patches, and the negative pole end of rectification series circuit is
DC output end (C, D end), C are positive voltage terminal, and D is negative voltage side, and C, D end connect the input of accumulator, rectification series connection
Each commutation diode one charging capacitor of corresponding series connection in circuit, i.e.,：Commutation diode D1 one charging capacitor C1 of series connection,
Commutation diode D2 series connection one charging capacitor C2, commutation diode D1 series connection one charging capacitor C1, commutation diode D2 strings
Join a charging capacitor C2, commutation diode D3 series connection one charging capacitor C3, commutation diode D4 one charging capacitor of series connection
C4。
Accumulator super capacitor C5 and high frequency capacitance C6 as shown in figure 4, be made up of, super capacitor C5 input (E, F
End) it is connected with the DC output end (C, D end) of rectification circuit, super capacitor C5 output end connects with high frequency capacitance C6 input
Connect, high frequency capacitance C6 output end (G, H end) connects the positive pole and negative pole of RFID circuit respectively.Super capacitor C5 typically takes 1-
5F, for storing the voltage of rectification output；High frequency capacitance C6 typically takes 10nF, miscellaneous for filtering environment and system generation high frequency
Clean voltage is stablized in ripple, acquisition.
RFID circuit is directed to BRT using the commercial RFID module (such as single-chip microcomputer radio frequency chip CC2250) of in the market
For electronic tag for vehicles, parameter setting is as follows：Tranmitting frequency 2.4Ghz, transmit cycle are 4.5 seconds~5.5 seconds random, data
Rate 128kbps.
Vibration energy collector collection vehicle traveling in vibrational energy and be converted into electric energy, provisioning RFID circuit, realize
The self-powered of RFID circuit, it is not necessary to extra power supply again.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, the scope of protection of the utility model is also wrapped
Include those skilled in the art according to the utility model design it is conceivable that equivalent technologies mean.
Claims (9)
- A kind of 1. self-powered BRT electronic tag for vehicles systems using vibrational energy, it is characterised in that including：Vibration energy collector, itself vibration is converted into electric energy；Rectification circuit, the electric energy of collection is converted into direct current；Accumulator, storage electric energy are simultaneously periodically powered to RFID circuit；And RFID circuit.
- 2. self-powered BRT electronic tag for vehicles systems as claimed in claim 1, it is characterised in that the vibrational energy collection Device is piezoelectric patches, and piezoelectric patches is provided with balancing weight.
- 3. self-powered BRT electronic tag for vehicles systems as claimed in claim 2, it is characterised in that also including BRT label shells Body, the RFID circuit are placed in the BRT label housings, and the piezoelectric patches is arranged on BRT label housing outer surfaces.
- 4. self-powered BRT electronic tag for vehicles systems as claimed in claim 2, it is characterised in that the piezoelectric patches be 0.5~ The piezoelectric patches of 25Hz LF-responses.
- 5. self-powered BRT electronic tag for vehicles systems as claimed in claim 2, it is characterised in that the balancing weight is diameter For 0.4~0.6cm copper ball.
- 6. self-powered BRT electronic tag for vehicles systems as claimed in claim 1, it is characterised in that the rectification circuit is again Voltage rectifier.
- 7. self-powered BRT electronic tag for vehicles systems as claimed in claim 6, it is characterised in that the voltage doubling rectifing circuit For four voltage doubling rectifing circuits.
- 8. self-powered BRT electronic tag for vehicles systems as claimed in claim 1, it is characterised in that the accumulator is electricity Hold accumulator, be made up of super capacitor and high frequency capacitance, the output end of the input connection rectification circuit of the super capacitor, Output end connects the input of high frequency capacitance, the input of the output end connection RFID circuit of the high frequency capacitance.
- 9. self-powered BRT electronic tag for vehicles systems as claimed in claim 1, it is characterised in that the RFID circuit is 1.8 The active RFID integration module of~3.3V power supplies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407050.0U CN206773741U (en) | 2017-04-18 | 2017-04-18 | A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720407050.0U CN206773741U (en) | 2017-04-18 | 2017-04-18 | A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy |
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| Publication Number | Publication Date |
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| CN206773741U true CN206773741U (en) | 2017-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720407050.0U Expired - Fee Related CN206773741U (en) | 2017-04-18 | 2017-04-18 | A kind of self-powered BRT electronic tag for vehicles systems using vibrational energy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599784A (en) * | 2018-06-22 | 2018-09-28 | 深圳市浩博高科技有限公司 | A kind of sender unit and method |
| CN108873479A (en) * | 2018-07-27 | 2018-11-23 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
-
2017
- 2017-04-18 CN CN201720407050.0U patent/CN206773741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599784A (en) * | 2018-06-22 | 2018-09-28 | 深圳市浩博高科技有限公司 | A kind of sender unit and method |
| WO2019242077A1 (en) * | 2018-06-22 | 2019-12-26 | 深圳市浩博高科技有限公司 | Signal transmission apparatus and method |
| CN108873479A (en) * | 2018-07-27 | 2018-11-23 | 京东方科技集团股份有限公司 | Backlight module and liquid crystal display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20190418 |
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| CF01 | Termination of patent right due to non-payment of annual fee |