CN203406639U - Solar-energy assisted power supply apparatus - Google Patents
Solar-energy assisted power supply apparatus Download PDFInfo
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- CN203406639U CN203406639U CN201320407076.7U CN201320407076U CN203406639U CN 203406639 U CN203406639 U CN 203406639U CN 201320407076 U CN201320407076 U CN 201320407076U CN 203406639 U CN203406639 U CN 203406639U
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- voltage
- battery
- circuit
- storage battery
- controlled flow
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Abstract
The utility model provides a solar-energy assisted power supply apparatus including a solar battery, a standby battery, and a storage battery, and the solar battery or the standby battery changes the storage battery by means of a battery selective circuit. The power supply apparatus provided arranges the solar battery, the standby battery, and the storage battery together and is additionally provided with the battery selective circuit, so that a proper power supply can be selected to charge the storage battery at any work time, thereby maximally playing the effect of the solar battery and reducing the waste of the standby battery; meanwhile, the power supply apparatus provided protects the storage battery isolating from the solar battery after the charging is finished, prevents potential safety hazards of circuits, and the additionally arranged battery selective circuit is simple in structure, easy to realize, and low in self-electricity consumption, thereby further saving the current consumption of a system.
Description
Technical field
The utility model relates to a kind of powered battery technical field, relates in particular to a kind of solar energy auxiliary power supply.
Background technology
No-stop charging system is spread in China at present, what consider that no-stop charging system that China implements adopts is double-disk vehicle carried electronic label, and this is that operational module (card reading module, Dsrc receive transmitter module etc.) work provides enough electric power with regard to needing vehicle carried electronic label to have stronger power module.Because vehicle carried electronic label is to be once fixed on vehicle, do not allow privately to dismantle, battery electric quantity exhausts the maintenance agency that rear replacing battery need to arrive appointment to be dismantled, very inconvenient; And being subject to cost and applied environment restriction, a kind of method of the prior art is: use solar cell to add the composite power supply scheme of reserve battery, this scheme becomes the main flow scheme of marketing.
In actual applications, by solar cell, add mode that reserve battery charges a battery as the power supply unit of vehicle carried electronic label, the supply current of solar cell is very little, and charging voltage is higher; The supply current that reserve battery provides is larger, but reserve battery finite capacity, and can not change in concrete application; The operating voltage of storage battery is identical with backup battery voltage, lower than solar array voltage, can store large energy, for equipment routine use.Solar cell and reserve battery all charge a battery, and storage battery is directly powered to equipment, under operating state, can export very high electric current.
Above-mentioned shortcoming of the prior art is: the operating characteristic of solar cell and reserve battery differs greatly, this property difference is with the problem of serving in actual applications, work as battery discharging, after power supply to the device, storage battery drops, need makeup energy, if now solar cell and reserve battery charge a battery simultaneously, because the supply current of reserve battery is far longer than the supply current of solar cell, cause solar cell to be in fact equivalent to not charging, cause not bringing into play the effect of rechargeable solar battery; After the capacity of storage battery is filled, because the operating voltage of reserve battery and storage battery is suitable, reserve battery will can not continue charging, and solar array voltage is larger, to there will be solar cell accumulators to charge to surpass the mode of operating voltage, easily cause circuit safety hidden danger, the utilance of power source integral is very low.
Utility model content
Embodiment of the present utility model provides a kind of solar energy auxiliary power supply, and it is simple in structure, is convenient to realize, and the low reserve battery that can reduce of self power consumption is wasted, and protects storage battery power-off in time after being full of simultaneously, stops circuit safety hidden danger.
For addressing the above problem, the technical solution of the utility model is a kind of solar energy auxiliary power supply, comprising solar cell, reserve battery, storage battery, described solar cell selects circuit to be connected with described storage battery with reserve battery by battery, and solar cell or reserve battery utilize described battery to select circuit to described charge in batteries.
Described battery selects circuit to comprise: the first voltage-controlled flow restricter, the second voltage-controlled flow restricter and votage control switch, one end of described the first voltage-controlled flow restricter is connected with described solar cell by circuit, the other end is connected with described votage control switch, one end of described the second voltage-controlled flow restricter is connected with described reserve battery by circuit, the other end is connected with described votage control switch, and described votage control switch is connected with described storage battery by described output port.
Described battery selects the votage control switch of circuit to have three input ports and an output port, wherein three input ports also have the voltage feedback circuit of storage battery to be connected by circuit with described the first voltage-controlled flow restricter, described the second voltage-controlled flow restricter respectively, and output port is connected by circuit with described storage battery.
Described the first voltage-controlled flow restricter and the second voltage-controlled flow restricter comprise: Special electric flow sensor, electronic controller, capacitor, igniting trigger transformer, quick-acting isolator, high-voltage and current-limitation fuse composition, the Limited Current of this high-voltage and current-limitation fuse is to determine according to the maximum operating currenbt of described storage battery, serves as the switch of input power.
Described votage control switch comprises: the voltage sensor of sensing operating voltage, integrated chip or integrated circuit, the voltage signal of the described storage battery feedback that described integrated chip or integrated circuit sense according to described voltage sensor, select the circuit between connection and described the first voltage-controlled flow restricter, or select to connect and described the second voltage-controlled flow restricter between circuit, or by and described the first voltage-controlled flow restricter between circuit and the circuit between described the second voltage-controlled flow restricter all disconnect.
Described solar cell is in series by Weak light type amorphous silicon solar panel.
Described storage battery is polymer lithium capacitance storage battery.
Described solar energy auxiliary power supply is applied to the electric power system of vehicle carried electronic label.
The technical scheme being provided by above-mentioned embodiment of the present utility model can be found out, the utility model embodiment passes through solar cell, reserve battery, storage battery is set together, increase battery simultaneously and select circuit, in any moment of work, select suitable power supply to charge to storage battery, bring into play to greatest extent the effect of solar cell, the waste of minimizing to reserve battery, improved the overall utilization rate of battery, protect charge in batteries to complete isolates with solar cell afterwards simultaneously, stop circuit safety hidden danger, meanwhile, the battery selecting circuit structure of introducing is simple, be convenient to realize, self power consumption is low, further save system power consumption.
Accompanying drawing explanation
The circuit structure schematic diagram of the solar energy auxiliary power supply that Fig. 1 provides for the utility model embodiment, in figure, battery is selected circuit 100, solar cell 110, reserve battery 120, voltage-controlled flow restricter 130, voltage-controlled flow restricter 140, votage control switch 150, storage battery 160.
The vehicle carried electronic label circuit structure schematic diagram that Fig. 2 is the solar energy auxiliary power supply having applied the utility model embodiment and provide, in figure, battery is selected circuit 100, solar cell 110, reserve battery 120, voltage-controlled flow restricter 130, voltage-controlled flow restricter 140, votage control switch 150, storage battery 160, vehicle carried electronic label circuit 170.
Embodiment
For ease of the understanding to the utility model embodiment, below in conjunction with accompanying drawing, take specific embodiment and be further explained explanation as example, and embodiment does not form the restriction to the utility model embodiment.
The utility model is to utilize solar cell 110 and reserve battery 120 to select circuit 100 to select single power supply to charge to storage battery 160 by battery, thereby vehicle carried electronic label is powered, and improves operating efficiency and the useful life of circuit.
The particular circuit configurations that the utility model embodiment provides a kind of solar energy auxiliary power supply as shown in Figure 1, specifically comprise solar cell 110, reserve battery 120, storage battery 160, above-mentioned solar cell 110 selects circuit 100 to be connected with above-mentioned storage battery 160 with reserve battery 120 by battery, and solar cell 110 or reserve battery 120 utilize battery to select circuit 100 accumulators 160 chargings.Battery selects circuit 100 by receiving the voltage feedback signal of storage battery 160, is controlled at and while using 110 pairs of storage batterys 160 of solar cell to charge, disconnects reserve battery 120 charge circuits; Or while using 120 pairs of storage batterys 160 of reserve battery to charge, disconnect solar cell 110 charge circuits; And after storage battery 160 electric weight are full of, turn-off whole solar power supply apparatus, and reduced the consumable electric current of electric power system, improved the whole utilization ratio of power supply.
Above-mentioned votage control switch 150 has three input ports and an output port, wherein three voltage-controlled flow restricters 140 of the voltage-controlled flow restricter 130, second of input port respectively with the first are connected and are also had the voltage feedback circuit of storage battery 160 to connect by circuit by circuit, storage battery 160 feeds back to the voltage signal of self voltage sensor of votage control switch 150 by this input port of votage control switch 150, and output port is connected by circuit with storage battery 160.
Above-mentioned votage control switch 150 comprises voltage sensor and integrated chip or the integrated circuit of a sensing operating voltage, above-mentioned storage battery 160 feeds back to the voltage signal of self voltage sensor of votage control switch 150 by the input port of above-mentioned votage control switch 150, the voltage signal of storage battery 160 feedbacks that above-mentioned integrated chip or integrated circuit sense according to voltage sensor, select the circuit between connection and the first voltage-controlled flow restricter 130, or select the circuit between connection and the second voltage-controlled flow restricter 140, or select will and described the first voltage-controlled flow restricter (130) between circuit, and the circuit between described the second voltage-controlled flow restricter (140) is all disconnected.
Above-mentioned the first voltage-controlled flow restricter (130) and the second voltage-controlled flow restricter (140) comprising: Special electric flow sensor, electronic controller, capacitor, igniting trigger transformer, quick-acting isolator, high-voltage and current-limitation fuse composition, the Limited Current of this high-voltage and current-limitation fuse is to determine according to the maximum operating currenbt of described storage battery (160), serves as the switch of input power.
Above-mentioned the first voltage-controlled flow restricter 130 can be determined when 110 pairs of above-mentioned storage batterys 160 of above-mentioned solar cell charge according to the maximum operating currenbt of storage battery 160, the size of current in charge circuit; Above-mentioned the second voltage-controlled flow restricter 140 can be determined when 120 pairs of above-mentioned storage batterys 160 of above-mentioned reserve battery charge according to the maximum operating currenbt of storage battery 160, the size of current in charge circuit.One end of the first voltage-controlled flow restricter 130 is connected with solar cell 110 by circuit, the other end is connected with described votage control switch 150, one end of the second voltage-controlled flow restricter 140 is connected with described reserve battery 120 by circuit, and the other end is connected with described votage control switch 150.
In the ordinary course of things, voltage on storage battery 160 is divided into high voltage, middle voltage and three states of low-voltage, according to above-mentioned three states, the first voltage threshold, second voltage threshold value can be set, when the voltage signal of storage battery 160 feedbacks is less than the first voltage threshold, the voltage of storage battery 160 is low-voltage; When the voltage signal of storage battery 160 feedback is greater than or equal to the first voltage threshold and while being less than second voltage threshold value, the voltage of storage battery 160 is middle voltage; When the voltage signal of storage battery 160 feedbacks is greater than or equal to second voltage threshold value, the voltage of storage battery 160 is high voltage.Above-mentioned the first threshold value can be 3.3V, and above-mentioned the second threshold value can be 3.5V.
If the circuit that above-mentioned votage control switch 150 is selected between connection and the first voltage-controlled flow restricter 130, by solar cell 110, by circuit, connecting accumulators 160 charges, solar cell 110 is 9 joint Weak light type amorphous silicon solar cell series connection, after series connection, Open Output Voltage is 5.4V, the electric current of output is between tens microamperes to several milliamperes, and now the first voltage-controlled flow restricter 130 is controlled the charging current in this charging path according to the maximum operating currenbt of described storage battery 160.
If the circuit that votage control switch 150 is selected between connection and the second voltage-controlled flow restricter 140, by reserve battery 120, by circuit, connecting accumulators 160 charges, reserve battery 120 operating voltages are 3.6V, the electric current of output is about several milliamperes, and now the second voltage-controlled flow restricter 140 is controlled the charging current in this charging path according to the maximum operating currenbt of described storage battery 160.
The operating voltage of above-mentioned storage battery 400 is set in 3.6V, and storage battery 160 directly connects electricity consumption loop, has very strong electric power storage ability and transient large current discharge ability.Thisly by battery, select circuit 100 to control the charging modes of the break-make of two charging circuits, brought into play to greatest extent the effectiveness of solar cell 110, also can guarantee that the electric energy of storage battery 160 can supplement in time simultaneously.
Exemplary, the high voltage range on above-mentioned storage battery 160 can be: 3.5V to 3.7V, middle voltage range can be: 3.3V to 3.5V, low voltage range can be: 0 to 3.3V.At high voltage, be under the state of electric weight abundance, the voltage of storage battery 160 is higher, the integrated chip of votage control switch 150 or integrated circuit, the high-tension voltage feedback signal of storage battery 160 feedbacks that sense according to voltage sensor, select both to have disconnected and the first voltage-controlled flow restricter 140 between connecting circuit, also disconnect and the second flow restricter 140 between connecting circuit, off state in maintenance, both saved reserve battery 120, prevented again that 120 pairs of storage batterys 160 of solar cell 110 and reserve battery from overcharging and causing potential safety hazard.
At middle voltage, be under the medium state of electric weight, the voltage of storage battery 160 is medium, need little electric current to supplement, the integrated chip of votage control switch 150 or integrated circuit, the voltage feedback signal of the middle voltage of storage battery 160 feedbacks that sense according to voltage sensor, select the connecting circuit between connection and the first voltage-controlled flow restricter 140, now solar cell 110 is connected storage battery 160 is charged by circuit, disconnect reserve battery 120 charging circuits, improved the service efficiency of solar cell 110, now the first voltage-controlled flow restricter 130 is in limited current state, the electric current of controlling 160 chargings of 100 pairs of storage batterys of solar cell according to the operating current of storage battery 160 is medium, can be full of as early as possible storage battery 160 so on the one hand, the electric current of solar cell 110 is not too large simultaneously, reduce the consumption in solar cell 110 internal resistances, make solar cell 110 can with storage battery 160 matched well.
In low-voltage, be under the state of electric weight deficiency, the voltage of storage battery 160 is lower, the integrated chip of votage control switch 150 or integrated circuit, the voltage feedback signal of the low-voltage of storage battery 160 feedbacks that sense according to voltage sensor, select the circuit between connection and the second voltage-controlled flow restricter 140, by reserve battery 120, by circuit, connected to above-mentioned storage battery 160 chargings, disconnect solar cell 110 charging connections.Preventing that 120 pairs of storage batterys 160 of solar cell 110 and reserve battery charge with causing simultaneously overcharges, and causes potential safety hazard.Under the state of electric weight deficiency, storage battery 160 needs large electric current to charge rapidly, and now the second voltage-controlled flow restricter 140 is in limited current state, and the electric current of controlling the charging of 100 pairs of storage batterys 160 of solar cell according to the operating current of storage battery 160 is medium current.By 120 pairs of storage batterys 160 of reserve battery, charge, the electric current of charging is medium simultaneously, can supplement rapidly the electric weight of storage battery 160 like this, reduces the electric quantity consumption in reserve battery 120 internal resistances, the internal resistance of matched batteries 160 simultaneously.A whole set of charging scheme had both made solar cell 110 service efficiencies improve, and prevented that again storage battery 160 from being overcharged by solar cell and reserve battery, prevented the follow-up power consumption equipment normal operation of the too low impact of storage battery 160 electric weight simultaneously.
Fig. 2 is the vehicle carried electronic label circuit structure schematic diagram of having applied solar energy auxiliary power supply of the present utility model.The utility model is as a part for toll collection system vehicle-mount electronic tag, and effect is for vehicle carried electronic label provides power supply, and solar energy auxiliary power supply circuit is connected on vehicle carried electronic label functional circuit, and provides reliable and stable power supply for the latter.Solar energy auxiliary power supply and vehicle carried electronic label functional circuit are arranged on the vehicle carried electronic label inside of no-stop charging system jointly, jointly complete the function of non-parking charge.
In actual applications, solar energy auxiliary power supply has three kinds of states.Storage battery 160 full state, without any 160 chargings of battery accumulators, battery is selected circuit 100 protection storage batterys 160; Solar cell 110 charged states, reserve battery 120 charging circuits disconnect; Also have reserve battery 120 charged states, solar cell 110 charging circuits disconnect.Every kind of state is applied to different occasions, has realized solar cell 110 high efficiency, electric power system safety and power source integral low-loss.
In the ordinary course of things, the storage battery 160 of vehicle carried electronic label is in full state, complete machine standby, and power consumption is very low.After vehicle carried electronic label is brought into use, Overall Power Consumption increases, the electric weight of storage battery 160 declines, after entering middle voltage and being the medium state of electric weight, votage control switch 150 senses the voltage feedback signal of voltage in storage battery 160, control solar cell 110 charging circuits and open, 110 pairs of storage batterys 160 of solar cell slowly charge.Under normal circumstances, electronic tag can rapid dormancy after being once used to complete, and power consumption is very low, and the voltage on storage battery 160 therefrom voltage is medium solar cell 110 chargings through after a while of electric weight, and reaching high voltage is the sufficient state of electric weight.
Under extreme applications state, vehicle carried electronic label is repeatedly used, the electric weight of storage battery 160 declines, after entering voltage and being the medium state of electric weight, votage control switch 150 senses the voltage feedback signal of voltage in storage battery 160, control solar cell 110 charging circuits and open, 110 pairs of storage batterys 160 of solar cell slowly charge.If at this moment vehicle carried electronic label is repeatedly used continuously again after being once used to complete, although solar cell 110 is still at low current charge, but storage battery 160 electric weight are also declining, when storage battery 160 enters after the not enough state of electric weight, votage control switch 150 senses the voltage feedback signal of storage battery 160 low-voltages, control reserve battery 120 charging circuits and open, 120 pairs of storage batterys 160 of reserve battery charge rapidly, and electric weight slowly gos up.Electronic tag is used to complete rear rapid dormancy, voltage on storage battery 160 can be from the charging of the not enough reserve battery 120 by a period of time of electric weight, reaching middle voltage is that electric weight is medium, and then charges through solar cell 110 after a while, reaches the state of electric weight abundance.
In sum; the utility model embodiment is by being set together solar cell 110, reserve battery 120, electric power storage 160 ponds; increase battery simultaneously and select circuit 100; in any moment of work; select suitable power supply to charge to storage battery 160, bring into play to greatest extent the effect of solar cell 110, reduce the waste to reserve battery 120; protect storage battery 160 to charge simultaneously and isolate with solar cell 110 afterwards, stop circuit safety hidden danger.
The battery that the utility model embodiment introduces selects circuit 100 simple in structure, is convenient to realize, and self power consumption is low, further saves system power consumption.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (7)
1. a solar energy auxiliary power supply, it is characterized in that, comprise: solar cell (110), reserve battery (120), storage battery (160), described solar cell (110) selects circuit (100) to be connected with described storage battery (160) with reserve battery (120) by battery, and solar cell (110) or reserve battery (120) utilize described battery to select circuit (100) to described storage battery (160) charging; Described battery selects circuit (100) to comprise: the first voltage-controlled flow restricter (130), the second voltage-controlled flow restricter (140) and votage control switch (150), one end of described the first voltage-controlled flow restricter (130) is connected with described solar cell (110) by circuit, the other end is connected with described votage control switch (150), one end of described the second voltage-controlled flow restricter (140) is connected with described reserve battery (120) by circuit, the other end is connected with described votage control switch (150), and described votage control switch (150) is connected with described storage battery (160) by output port.
2. solar energy auxiliary power supply according to claim 1, it is characterized in that, described the first voltage-controlled flow restricter (130) and the second voltage-controlled flow restricter (140) comprising: Special electric flow sensor, electronic controller, capacitor, igniting trigger transformer, quick-acting isolator, high-voltage and current-limitation fuse, the Limited Current of this high-voltage and current-limitation fuse is to determine according to the maximum operating currenbt of described storage battery (160), serves as the switch of input power.
3. solar energy auxiliary power supply according to claim 1, it is characterized in that, described votage control switch (150) has three input ports and an output port, wherein three input ports also have the voltage feedback circuit of described storage battery (160) to be connected by circuit with described the first voltage-controlled flow restricter (130), described the second voltage-controlled flow restricter (140) respectively, and output port is connected by circuit with described storage battery (160).
4. solar energy auxiliary power supply according to claim 1, it is characterized in that, described votage control switch (150) comprising: the voltage sensor of sensing operating voltage, integrated chip or integrated circuit, the voltage signal of described storage battery (160) feedback that described integrated chip or integrated circuit sense according to described voltage sensor, select the circuit between connection and described the first voltage-controlled flow restricter (130), or select the circuit between connection and described the second voltage-controlled flow restricter (140), or will and described the first voltage-controlled flow restricter (130) between circuit, and the circuit between described the second voltage-controlled flow restricter (140) is all disconnected.
5. solar energy auxiliary power supply according to claim 1, is characterized in that, described solar cell (110) is in series by Weak light type amorphous silicon solar panel.
6. solar energy auxiliary power supply according to claim 1, is characterized in that, described storage battery (160) is polymer lithium capacitance storage battery.
7. according to the solar energy auxiliary power supply described in claim 1 to 6 any one, it is characterized in that, described solar energy auxiliary power supply is applied to the electric power system of vehicle carried electronic label.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320407076.7U CN203406639U (en) | 2013-07-09 | 2013-07-09 | Solar-energy assisted power supply apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320407076.7U CN203406639U (en) | 2013-07-09 | 2013-07-09 | Solar-energy assisted power supply apparatus |
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| CN203406639U true CN203406639U (en) | 2014-01-22 |
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| CN201320407076.7U Expired - Lifetime CN203406639U (en) | 2013-07-09 | 2013-07-09 | Solar-energy assisted power supply apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591871A (en) * | 2016-07-06 | 2018-01-16 | 沈阳科华工业设备制造有限公司 | A kind of solar energy stereo garage system |
| CN108447307A (en) * | 2018-04-24 | 2018-08-24 | 苏州清研微视电子科技有限公司 | A kind of limit for height anti-collision early warning system based on laser sensor |
-
2013
- 2013-07-09 CN CN201320407076.7U patent/CN203406639U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591871A (en) * | 2016-07-06 | 2018-01-16 | 沈阳科华工业设备制造有限公司 | A kind of solar energy stereo garage system |
| CN108447307A (en) * | 2018-04-24 | 2018-08-24 | 苏州清研微视电子科技有限公司 | A kind of limit for height anti-collision early warning system based on laser sensor |
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