CN201663489U - Power supply device of ETC vehicle-mounted unit - Google Patents
Power supply device of ETC vehicle-mounted unit Download PDFInfo
- Publication number
- CN201663489U CN201663489U CN2010201622131U CN201020162213U CN201663489U CN 201663489 U CN201663489 U CN 201663489U CN 2010201622131 U CN2010201622131 U CN 2010201622131U CN 201020162213 U CN201020162213 U CN 201020162213U CN 201663489 U CN201663489 U CN 201663489U
- Authority
- CN
- China
- Prior art keywords
- circuit unit
- voltage
- resistance
- capacitor
- diode
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a power supply device of an ETC vehicle-mounted unit, which comprises a charging capacitance C1, a direct current power supply E1, a diode D1, a resistance R1, a solar charging circuit unit and a voltage-stabilizing circuit unit. The anode of the direct current power supply E1 is connected with the diode D1 and the resistance R1 in series in turn and then is connected with the charging capacitance C1 in parallel. One end of the capacitance C1 outputs voltage V. The voltage-stabilizing circuit unit comprises a first voltage-stabilizing circuit unit or a second voltage-stabilizing circuit unit, which are respectively a reverse voltage-stabilizing diode D3 and two serial resistances R3 and R4. The solar charging circuit unit comprises a first, second or third solar charging circuit unit. In the first solar charging circuit unit and the second solar charging circuit unit, a solar panel E2, a diode D2 or a resistance R2 are connected in series and are connected with the capacitance C1 in parallel, and a diode R3 is adopted to stabilize voltage. In the third solar charging circuit unit, the solar panel E2 is connected with a step-up chip A and then is connected with the capacitance C1 in parallel. The third solar charging circuit unit further comprises a capacitance C2. The chip stabilizes output voltage according to feedback voltage. The utility model has the advantages of reduced battery work time, long service life, reduced consumption, energy saving and environmental protection.
Description
Technical field
The utility model relates to charge power supply, relates in particular to the supply unit of a kind of electronic toll collection system vehicle-mount unit that utilizes the microminiature solar cell.
Background technology
Electronic charging system without parking is called for short ETC (Electronic Toll Collection), is a kind of automatic electronic charging system that is used for highway, bridge and tunnel that develops and promote of making great efforts in the world.ETC utilizes the information exchange of special-purpose short distance short-wave communication tedhnology by the lane in which the drivers should pay fees or roadside unit RSU (Road Side Unit) and board units OBU (On Board Unit), discerns vehicle automatically.Adopt electronic payment mode to finish the full automatic charging mode of toll deduction automatically.Adopt this system, traffick needn't stop in charge station and pay dues and can pass through, thereby has increased the processing capacity of charge station.Because it relates to the recovery of traffic infrastructure investment, it is again the effective means of alleviating charge station's traffic jam, and potential consumer group is huge, so each country all develops the system that ETC drops into application at first as intelligent transportation system ITS (Intelligent Transportation System) field.
After sky, track alignment OBU sent request signal, OBU utilized the energy content of battery emission data of self to give the track antenna, so vehicle carried device must contain power supply.At present, general all is conventional batteries, and alkaline battery is arranged, and lithium battery is arranged, and inferior battery of lithium or the like is arranged.Various different battery life differences, what the life-span was short is two months, what the life-span was long generally is no more than 2 years.With Taiwan is example, and the existing OBU arrangement vehicle in this area is 600,000,3,600,000 batteries of about consumption in 1 year.Calculate by 30% as the rate of recovery, had 2,500,000 batteries will pollute soil or 9,000,000,000 tons of water of 2,500,000 square centimeters in 1 year.The protection that can find out the environment utmost point water resources of energy-conservation and useful life of the power supply of vehicle carried device we being depended on for existence thus seems very important.
Summary of the invention
The purpose of this utility model is to provide the power supply of a kind of electronic toll collection system vehicle-mount unit of energy-conservation long service life.This purpose realizes by following technical proposals:
Described power-supply system, place board units, it is characterized in that comprising charging capacitor C1, DC power supply E1, diode D1, resistance R 1, solar charging electric unit and voltage regulation unit, the positive pole of DC power supply E1 successively with after diode D1, resistance R 1 are connected in series again with charging capacitor C1 and connect capacitor C 1 one end output voltage V;
Described voltage regulation unit comprises first voltage regulation unit or second voltage regulation unit, and first voltage regulation unit is a reverse voltage stabilizing didoe D3, and second voltage regulation unit is made up of the resistance R 3 and the R4 of two serial connections;
Described solar charging circuit unit comprises the first solar charging circuit unit or the second solar charging circuit unit or the 3rd solar charging circuit unit, the first solar charging circuit unit is made up of solar panel E2, diode D2 and resistance R 2, and the positive pole of described cell panel E2 is connected in series after diode D2 and the resistance R 2 with charging capacitor C1 successively again and connects; The second solar charging circuit unit is made up of solar panel E2 and diode D2, and the positive pole of described cell panel E2 is connected in series back and charging capacitor C1 and connects with diode D2; The 3rd solar charging circuit unit is made up of solar panel E2, boost chip A and capacitor C 2, the positive pole of described cell panel E2 connects behind the chip A that boosts and connects the two ends of the charging capacitor C1 and the second voltage stabilizing circuit unit, the input of chip A of boosting is connected with the positive pole of solar panel E2, output is connected with the voltage V output of described capacitor C 1, the feedback end of control output end voltage is connected with the series side of described resistance R 3 and R4, and the two ends of capacitor C 2 connect the positive and negative electrode of described cell panel E2 respectively.
Described solar panel E2 is arranged on described board units top or front portion.
The capacity of described charging capacitor C1 is generally at 0.1～1F.
The resistance of described resistance R 2 is less than the resistance of resistance R 1.
Described low voltage starting chip A adopts the tps61200 integrated circuit (IC) chip, the described input of this chip comprises VIN, EN, PS, UVLG and L end, the L end is connected with the positive pole of solar panel by inductance H, this positive pole is connected with DC power supply E2 negative pole by capacitor C 2, the described output of this chip is the VOUT end, the described feedback end of this chip is the FB end, and the PGND end of this chip and GND end also connect back ground connection, VAUT end serial connection capacitor C 3 back ground connection.
Board units power supply of the present utility model adopts the micro solar battery plate, through opto-electronic conversion, the electric energy that produces is stored in the electric capacity, as the electric power system of board units.Simultaneously, bringing into use or overcast and rainy illumination deficiency in order to guarantee the board units power supply, electric capacity fails to be charged to the needed voltage of operate as normal, also is provided with a conventional batteries as preparation and startup power supply, has guaranteed that capacitance voltage is in normal working voltage all the time.With the main power supply of solar energy as board units, and conventional batteries as a supplement and preparation, and the life-span of conventional batteries can increase substantially like this, the conventional batteries average year consumed reduce at least original 1/3rd, significantly reduce the learies of battery, played the effect of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is that the utility model adopts reverse voltage stabilizing didoe to carry out the structural representation of an embodiment of voltage stabilizing.
Fig. 2 is that the utility model adopts reverse voltage stabilizing didoe to carry out the structural representation of another embodiment of voltage stabilizing.
Fig. 3 is the structural representation that employing low voltage starting chip of the present utility model carries out an embodiment of voltage stabilizing.
Embodiment
Embodiment 1
Contrast Fig. 1, the positive pole of present embodiment solar panel E2 are connected in series the two ends that its two ends behind diode D2 and the current-limiting resistance R2 are attempted by charging capacitor C1 successively, form the circuit unit of cell panel E2 to capacitor C 1 charging.The positive pole of conventional DC power supply E1 is connected in series the two ends that diode D1 and its two ends, resistance R 1 back are attempted by capacitor C 1 successively, forms the circuit unit of power supply E1 to capacitor C 1 charging.Capacitor C 1 one end output supply voltage V, for stablizing the value of this output end voltage V, at the C1 two ends and connect the voltage stabilizing circuit unit, the voltage stabilizing circuit unit that present embodiment adopts is a reverse voltage stabilizing didoe D3.
To the unidirectional charging of charging capacitor C1, the effect of diode D2 is to prevent that the electric current backflow in the capacitor C 1 from advancing solar panel to the electric current that is produced by solar panel E2 through diode D2, current-limiting resistance R2.Too high as output voltage, diode D3 reverse breakdown, thus guarantee the stable of output output voltage V.If needed voltage when not having enough illumination to cause electric capacity to fail to be charged to operate as normal, conventional DC power supply E1 will charge to charging capacitor C1 by diode D1, current-limiting resistance R1.The effect of diode D1 is to prevent that capacitor C 1 and solar panel E2 charge to DC power supply E1.Resistance R 1 and R2 play metering function.Suitably select voltage stabilizing didoe D3, guarantee that output voltage V is the normal voltage of board units system.Select resistance R 1 resistance much larger than R2 resistance (getting R1=1k Ω, R2=10-50 Ω), thereby guarantee that solar panel E2 is preferentially to capacitor C 1 charging.Charging capacitor C1 is that low leakage electrode holds, its capacity of C1 is generally at 0.1F-1F, and DC power supply E1 is 3.6V, diode D1, D2 forward conduction voltage 0.2-0.3V, oppositely voltage stabilizing didoe D3 reverse breakdown voltage is 3.5-3.6V, and the output voltage of cell panel E2 on average can reach 4.5V.
Embodiment 2
Contrast Fig. 2, the power supply E1 of present embodiment is same as the previously described embodiments to the circuit unit of capacitor C 1 charging, and promptly the positive pole of DC power supply E1 is connected in series the two ends that diode D1 and its two ends, resistance R 1 back are attempted by capacitor C 1 successively.But cell panel E2 is slightly different with the foregoing description to the circuit unit of capacitor C 1 charging.Solar panel E2 positive pole only is connected in series diode D2, does not have current-limiting resistance R2, and this circuit structure is applicable to maximum reverse breakdown current that voltage stabilizing didoe D3 the can bear situation much larger than solar panel E2 maximum output current.The circuit structure of voltage regulation unit is same as the previously described embodiments, adopts reverse voltage stabilizing didoe D3, is attempted by the two ends of capacitor C 1.
The electric current that is produced by solar panel E2 charges to charging capacitor C1 through the diode D2 of unilateal conduction effect, and is excessive as output voltage, diode D3 reverse breakdown, thus guarantee the stable of output output voltage V.If needed voltage when not having enough illumination to cause electric capacity to fail to be charged to operate as normal, DC power supply E1 will charge to charging capacitor C1 by diode D1, current-limiting resistance R1.Its process is same as the previously described embodiments, capacitor C 1 Capacity Selection is in the 0.1F-1F scope, DC power supply E1 is 3.6V, resistance R 1 is 1k Ω, diode D1, D2 forward conduction voltage are 0.2-0.3V, oppositely voltage stabilizing didoe D3 reverse breakdown voltage is 3.5-3.6V, and the output voltage of cell panel E2 on average can reach 4.5V.
Embodiment 3
Contrast Fig. 3, the power supply E1 of present embodiment is 3.6V, power supply E1 is identical with above-mentioned two embodiment to the circuit unit of capacitor C 1 charging, repeats no more.On the circuit unit of capacitor C 1 charging, inserted a tps61200 integrated circuit (IC) chip A at solar pond plate E2, the positive pole of solar panel E2 is connected with VIN, EN, PS, UVLG and L input in this chip, and wherein the L input is connected with the positive pole of solar panel E2 by inductance H.The positive pole of solar panel E2 is connected with DC power supply E1 negative pole by capacitor C 2, and the output of this chip is the VOUT end, is the FB end in order to the feedback end of control output voltage, and its PGND end and GND end also connect back ground connection, and VAUT holds and is connected in series ground connection after the capacitor C 3.
Tps61200 integrated circuit (IC) chip A is the DC/DC chip that boosts, have very low input voltage and starting resistor, minimum input voltage is that 0.3V. solar panel E2 is at first to capacitor C 2 chargings, voltage on capacitor C 2 is greater than 0.3V, tps61200 starts working, tps61200 raises low-voltage, and output voltage is regulated resistance R 3 and R4 ratio and both can be changed output voltage between 1.8V and 5V.Because the tps61200 chip that boosts is arranged, solar panel adopts veneer both can.Situation with above-mentioned embodiment is the same, if needed voltage when not having enough illumination to cause electric capacity to fail to be charged to operate as normal, DC power supply E1 will charge to charging capacitor C1 by diode D1, current-limiting resistance R1.Capacitor C 1 Capacity Selection is in the 0.1F-1F scope, and the capacity of C2, C3 is the microfarad level, and the capacity of getting C2 is 10 μ F, and the capacity of C3 is 0.1 μ F, and resistance R 1 is 1k Ω, and the resistance of R3 and R4 is respectively 6200k Ω and 1000k Ω.The output voltage of cell panel E2 generally can reach 1V.
Claims (5)
1. the supply unit of an electronic toll collection system vehicle-mount unit, place board units, it is characterized in that comprising charging capacitor C1, DC power supply E1, diode D1, resistance R 1, solar charging circuit unit and voltage stabilizing circuit unit, the positive pole of DC power supply E1 successively with after diode D1, resistance R 1 are connected in series again with charging capacitor C1 and connect capacitor C 1 one end output voltage V;
Described voltage stabilizing circuit unit comprises the first voltage stabilizing circuit unit or the second voltage stabilizing circuit unit, and the first voltage stabilizing circuit unit is a reverse voltage stabilizing didoe D3, and the second voltage stabilizing circuit unit is made up of the resistance R 3 and the R4 of two serial connections;
Described solar charging circuit unit comprises the first solar charging circuit unit or the second solar charging circuit unit or the 3rd solar charging circuit unit, the first solar charging circuit unit is made up of solar panel E2, diode D2 and resistance R 2, and the positive pole of described cell panel E2 is connected in series after diode D2 and the resistance R 2 with charging capacitor C1 successively again and connects; The second solar charging circuit unit is made up of solar panel E2 and diode D2, and the positive pole of described cell panel E2 is connected in series back and charging capacitor C1 and connects with diode D2; The 3rd solar charging circuit unit is made up of solar panel E2, boost chip A and capacitor C 2, the positive pole of described cell panel E2 connects behind the chip A that boosts and connects the two ends of the charging capacitor C1 and the second voltage stabilizing circuit unit, the input of chip A of boosting is connected with the positive pole of solar panel E2, output is connected with the voltage V output of described capacitor C 1, the feedback end of control output end voltage is connected with the series side of described resistance R 3 and R4, and the two ends of capacitor C 2 connect the positive and negative electrode of described cell panel E2 respectively.
2. the supply unit of a kind of electronic toll collection system vehicle-mount unit according to claim 1 is characterized in that described solar panel E2 is arranged on described board units top or front portion.
3. the supply unit of a kind of electronic toll collection system vehicle-mount unit according to claim 2 is characterized in that described charging capacitor C1 is that low leakage electrode holds, and its capacity is generally at 0.1～1F.
4. the supply unit of a kind of electronic toll collection system vehicle-mount unit according to claim 2 is characterized in that the resistance of the resistance of described resistance R 2 less than resistance R 1.
5. the supply unit of a kind of electronic toll collection system vehicle-mount unit according to claim 3, it is characterized in that described low voltage starting chip A adopts the tps61200 integrated circuit (IC) chip, the described input of this chip comprises VIN, EN, PS, UVLG and L end, the L end is connected with the positive pole of solar panel by inductance H, this positive pole is connected with DC power supply E1 negative pole by capacitor C 2, the described output of this chip is the VOUT end, the described feedback end of this chip is the FB end, the PGND end of this chip and GND end also connect back ground connection, VAUT end serial connection capacitor C 3 back ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201622131U CN201663489U (en) | 2010-04-19 | 2010-04-19 | Power supply device of ETC vehicle-mounted unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201622131U CN201663489U (en) | 2010-04-19 | 2010-04-19 | Power supply device of ETC vehicle-mounted unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201663489U true CN201663489U (en) | 2010-12-01 |
Family
ID=43233908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201622131U Expired - Fee Related CN201663489U (en) | 2010-04-19 | 2010-04-19 | Power supply device of ETC vehicle-mounted unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201663489U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860083A (en) * | 2010-04-19 | 2010-10-13 | 南通大学 | Power supply device of electronic toll collection system vehicle-mount unit |
-
2010
- 2010-04-19 CN CN2010201622131U patent/CN201663489U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860083A (en) * | 2010-04-19 | 2010-10-13 | 南通大学 | Power supply device of electronic toll collection system vehicle-mount unit |
| CN101860083B (en) * | 2010-04-19 | 2013-12-11 | 南通大学 | Power supply device of electronic toll collection system vehicle-mount unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204691364U (en) | The intelligent car position ground lock of view-based access control model Internet of Things | |
| CN101599220B (en) | Traffic light control system | |
| CN205407384U (en) | Electric automobile solar charging device and electric automobile | |
| CN101860083B (en) | Power supply device of electronic toll collection system vehicle-mount unit | |
| CN201332291Y (en) | Electric vehicle control device with super capacitance adapter | |
| CN207652086U (en) | A kind of battery management system multichannel wake-up circuit | |
| CN201860261U (en) | Boost circuit | |
| CN206086408U (en) | Outdoor parking area is with solar photovoltaic energy storage integral type electric automobile charging station | |
| CN201663489U (en) | Power supply device of ETC vehicle-mounted unit | |
| CN206417140U (en) | Electric vehicle system and battery | |
| CN206834810U (en) | A kind of BMS charging detecting circuits of band activation function | |
| CN202309129U (en) | Solar charging station | |
| CN206164154U (en) | Balanced power supply system | |
| CN108258788A (en) | Without stake public bicycles smart lock power-supply management system | |
| CN202004689U (en) | Solar intelligent comprehensive utilization structure | |
| CN202253305U (en) | LED street lamp using solar energy | |
| CN208955671U (en) | Light storage is filled and integral system | |
| CN102231559B (en) | Self-adaptive rapid charging system for electric vehicle | |
| CN208256217U (en) | A kind of intelligence warning bus stop board | |
| CN204304538U (en) | A kind of solar electric vehicle charging device being installed at carport | |
| CN208094481U (en) | A kind of interacted system of micro power network energy storage and solar street light | |
| CN103516039B (en) | A kind of classification electric power system and method | |
| CN208956082U (en) | A kind of realization circuit based on cell phone application Remote Wake Up new-energy automobile charger | |
| CN203722298U (en) | Portable vehicle standby power supply | |
| CN103616923B (en) | Solar energy maximum power point tracking control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20120419 |