CN205377427U - Solar mobile power box - Google Patents
Solar mobile power box Download PDFInfo
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- CN205377427U CN205377427U CN201620071084.2U CN201620071084U CN205377427U CN 205377427 U CN205377427 U CN 205377427U CN 201620071084 U CN201620071084 U CN 201620071084U CN 205377427 U CN205377427 U CN 205377427U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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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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Abstract
The utility model provides a solar mobile power box, belongs to the technical field of solar photovoltaic system. Including box, apron and group battery, one side of box orientation apron constitutes has a box chamber, and the apron cooperatees with the box, the group battery setting at the box intracavity, still include single -chip computer control module and photovoltaic module, single -chip computer control module set up in box chamber length direction's centre, single -chip computer control module includes the singlechip, the control circuit that charges, battery protection circuit, the first detection circuitry of overflowing, output control and DCDC boost circuit, second overflow detection circuitry, output control and DCDC USB interface circuit, indicating circuit and the constant voltage power supply of system circuit. The lithium iron phosphate battery has resistant high low temperature, ultra -long life, large capacity, safety ring guarantor's advantage, the box adopts magnesium aluminum alloy die -Casting to form, and the quality is light, the leakproofness good, protection level is high, have the battery cross fill, cross put, overload and short -circuit protection and prevent joining conversely protect function.
Description
Technical field
This utility model belongs to solar energy photovoltaic system technical field, is specifically related to a kind of solar mobile power box.
Background technology
In order to set up conservation-minded society, country is just greatly developing photovoltaic/technology of generating electricity by way of merging two or more grid systems, and outdoor power source box plays great effect in the application of this technology.At present, the solar mobile power box on market is generally made up of lead-acid battery, crystalline silicon component, inverter and control circuit.As the energy saving environmental protection product that an outdoor moving uses, need to consider the factors such as weatherability, safety, portability and environmental protection during power supply box design, but lead-acid battery all can not meet product demand well for above-mentioned factor.First, lead-acid battery own wt volume is relatively big, can increase the weight and volume of power supply box after employing, causes mobile inconvenience, it is impossible to really realize portable；Secondly, lead-acid battery capacity is little, and the life-span is short, and flying power is only about 1 year, and user needs to regularly replace new battery to maintain system worked well；Further, lead-acid battery can release hydrogen when discharge and recharge, it is easy to operationally cause explosion accident.It addition, in order to save cost, the casing of power supply box adopts aluminium alloy plate to be spliced mostly, this structure is found to have drawback in actual use, and such as quality weight, sealing is poor, intensity is low and degree of protection is low etc..On the other hand; existing mobile electrical power box there exists a further problem in that; function is relatively single; discharge and recharge available relatively fewer; input-output unit is relatively fixed, and cannot meet the multiple demand of user, narrow application range; do not possess some perfect safety precautions, it is impossible to ensure the safety of electrical equipment and power supply box simultaneously.
In view of above-mentioned prior art, it is necessary to the structure of existing solar mobile power box is improved, for this, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
The purpose of this utility model is in that to provide a kind of light easy carrying, stable charge/discharge and solar mobile power box safe to use.
nullThe purpose of this utility model is such to reach，A kind of solar mobile power box，Including casing、Cover plate and set of cells，Described casing has a casing chamber towards the side composition of cover plate，Cover plate matches with casing，Described set of cells is arranged on box cavity，It is characterized in that: also include single chip control module and photovoltaic module，Described single chip control module is arranged on the centre in casing cavity length direction，Single chip control module includes single-chip microcomputer、Charging control circuit、Battery protecting circuit、First over-current detection circuit、Output controls and DC/DC booster circuit、Second over-current detection circuit、Output controls and DC/DCUSB interface circuit、Indicating circuit and steady pressure of system power circuit，Described single-chip microcomputer respectively with charging control circuit、First over-current detection circuit、Output controls and DC/DC booster circuit、Second over-current detection circuit、Output controls and DC/DCUSB interface circuit、Indicating circuit and photovoltaic module electrical connection，Described charging control circuit electrically connects with photovoltaic module and battery protecting circuit，Described battery protecting circuit and the first over-current detection circuit、Second over-current detection circuit、Single-chip microcomputer、Steady pressure of system power circuit and set of cells electrical connection，The first described over-current detection circuit controls with output and DC/DC booster circuit electrically connects，The second described over-current detection circuit controls with output and DC/DCUSB interface circuit electrically connects，Described steady pressure of system power circuit electrically connects with single-chip microcomputer，Output control and DC/DC booster circuit and output control and DC/DCUSB interface circuit carries out power supply output，Described photovoltaic module includes a pair photovoltaic electroplax，A pair described photovoltaic electroplax faces each other and is arranged on the opening and closing place of casing and cover plate，And fixedly mount with casing and cover plate respectively，Described set of cells is made up of ferric phosphate lithium cell.
In a specific embodiment of the present utility model, a described casing wherein sidewall longitudinally is provided with charging input interface, and cover plate is provided with charging output interface on a side of corresponding charging input interface.
In another specific embodiment of the present utility model, also including braces, described casing is interval with a pair D type junction button along its length on front side wall, and junction button is connected by the two ends of described braces respectively with this；Casing is provided with handle in the centre position of front side wall.
In another specific embodiment of the present utility model, described casing and cover plate are connected through the hinge；Described casing is on front side wall and is provided with a pair connection ring along its length, cover plate on the side of corresponding cabinet front wall and corresponding a pair connection be equipped with snap lock, described snap lock be connected the connection of ring adaptation.
In another specific embodiment of the present utility model, described casing and cover plate are formed by magnalium die casting, and casing is provided with the first corner protector in four corners, and cover plate is provided with the second corner protector in four corners.
Also have in a specific embodiment of the present utility model, described casing is provided with I/O port in the centre position of rear wall, be intervally arranged in described I/O port USB5V output interface, DC12V output interface, DC19V output interface and on and off switch along its length, is also equipped with waterproof plug on I/O port.
Of the present utility model more and in a specific embodiment, described casing is provided with charging indicator light and battery capacity indication lamp on rear wall.
nullIn an of the present utility model and then specific embodiment，Described charging control circuit includes resistance R1～resistance R8、Current sense resistor Rcs、Electric capacity C1～electric capacity C7、Schottky diode D1、Schottky diode D2、Light emitting diode D3、Light emitting diode D4、Inductance L1、Metal-oxide-semiconductor M1 and charge controlling chip IC1，Described charge controlling chip IC1 adopts CN3722，One end of resistance R8 respectively with one end of electric capacity C1、One end of resistance R1、One end of resistance R5、15 feet of charge controlling chip IC1、One end of electric capacity C5 and the source electrode of metal-oxide-semiconductor M1 connect，And constitute the input of charging control circuit for connecting described photovoltaic module，The other end of resistance R8 and one end of resistance R3 connect 7 feet of charge controlling chip IC1 jointly，The positive pole of the other end connecting luminous diode D3 of resistance R1，The negative pole of light emitting diode D3 connects 5 feet of charge controlling chip IC1，The positive pole of the other end connecting luminous diode D4 of resistance R5，The negative pole of light emitting diode D4 connects 4 feet of charge controlling chip IC1，The other end of electric capacity C5 connects 1 foot of charge controlling chip IC1，The grid of metal-oxide-semiconductor M1 connects 16 feet of charge controlling chip IC1，The drain electrode of metal-oxide-semiconductor M1 connects the positive pole of Schottky diode D1，The negative pole of Schottky diode D1 is connected with one end of the negative pole of Schottky diode D2 and inductance L1 respectively，The other end of inductance L1 is connected with 13 feet of one end of current sense resistor Rcs and charge controlling chip IC1 respectively，The other end of current sense resistor Rcs respectively with one end of electric capacity C6、One end of electric capacity C7、One end of resistance R7 and 14 feet of charge controlling chip IC1 connect，And the outfan constituting charging control circuit connects described set of cells by battery protecting circuit，The other end of electric capacity C7 respectively with the other end of resistance R7、One end of resistance R6 and 10 feet of charge controlling chip IC1 connect，9 feet of charge controlling chip IC1 are connected with one end of resistance R4，The other end of resistance R4 is connected with one end of electric capacity C4，8 feet of charge controlling chip IC1 connect one end of electric capacity C3，11 feet of charge controlling chip IC1 connect one end of electric capacity C2，The other end of resistance R3、The other end of resistance R2、The other end of electric capacity C2、The other end of electric capacity C3、The other end of electric capacity C4、The other end of resistance R6、The other end of electric capacity C1、The positive pole of Schottky diode D2、The other end of electric capacity C6 and the 2 of charge controlling chip IC1、3 foot common grounds.
Of the present utility model again more and in a specific embodiment, described set of cells includes the ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 and the ferric phosphate lithium cell V4 that are sequentially connected in series, and ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 and ferric phosphate lithium cell V4 are disposed on the two ends in casing cavity length direction after mating in pairs；Described battery protecting circuit includes resistance R9～resistance R30, electric capacity C8～electric capacity C17, metal-oxide-semiconductor M2～metal-oxide-semiconductor M7, critesistor RNTC, diode D5 and process chip IC 2, described process chip IC 2 adopts HD15L02,2 feet processing chip IC 2 connect one end of resistance R22, the other end of resistance R22 respectively with one end of resistance R23, one end of electric capacity C8, one end of resistance R21 and process the 28 of chip IC 2,16 feet are connected, the other end connection of resistance R23 processes 3 feet of chip IC 2,4 feet processing chip IC 2 connect one end of electric capacity C13, the other end of electric capacity C13, one end of electric capacity C14, one end of electric capacity C15, one end of electric capacity C16, critesistor RNTCOne end, one end of resistance R24, one end of electric capacity C17, resistance R30 one end, process the 17 of chip IC 2,19 feet, the other end of electric capacity C8, one end of electric capacity C9, one end of electric capacity C10, one end of electric capacity C11, one end of electric capacity C12 and the source electrode of metal-oxide-semiconductor M7 connect the negative pole of ferric phosphate lithium cell V1 jointly, the other end connection of electric capacity C14 processes 6 feet of the other end connection process chip IC 2 of 5 feet of chip IC 2, electric capacity C15, the other end connection of electric capacity C16 processes 7 feet of chip IC 2, critesistor RNTCnullOther end connection process chip IC 28 feet，The other end connection of resistance R24 processes 9 feet of chip IC 2，10 feet processing chip IC 2 connect one end of resistance R25，11 feet processing chip IC 2 connect one end of resistance R26 and the drain electrode of metal-oxide-semiconductor M2，The other end of resistance R26、The other end of resistance R25、The source electrode of metal-oxide-semiconductor M2 and one end of resistance R29 connect the negative pole end of described photovoltaic module jointly，The drain electrode of metal-oxide-semiconductor M2 connects the drain electrode of metal-oxide-semiconductor M3，The source electrode of metal-oxide-semiconductor M3 respectively with the other end of resistance R29、The other end of resistance R30 and one end of resistance R28 connect，The other end of resistance R28 is connected with 14 feet of the other end of electric capacity C17 and process chip IC 2 respectively，12 feet processing chip IC 2 connect one end of resistance R27，The other end of resistance R27 connects the grid of metal-oxide-semiconductor M3，20 feet processing chip IC 2 connect one end of resistance R13，The other end of resistance R13 connects the grid of metal-oxide-semiconductor M7，The drain electrode of metal-oxide-semiconductor M7 connects one end of resistance R9，21 feet processing chip IC 2 are connected with one end of the other end of electric capacity C12 and resistance R14 respectively，The other end of resistance R14、The other end of resistance R9 and the source electrode of metal-oxide-semiconductor M6 are connected with the positive pole of ferric phosphate lithium cell V1 and the negative pole of ferric phosphate lithium cell V2 jointly，22 feet processing chip IC 2 connect one end of resistance R15，The other end of resistance R15 connects the grid of metal-oxide-semiconductor M6，The drain electrode of metal-oxide-semiconductor M6 connects one end of resistance R10，23 feet processing chip IC 2 are connected with one end of the other end of electric capacity C11 and resistance R16 respectively，The other end of resistance R16、The other end of resistance R10 and the source electrode of metal-oxide-semiconductor M5 are connected with the positive pole of ferric phosphate lithium cell V2 and the negative pole of ferric phosphate lithium cell V3 jointly，24 feet processing chip IC 2 connect one end of resistance R17，The other end of resistance R17 connects the grid of metal-oxide-semiconductor M5，The drain electrode of metal-oxide-semiconductor M5 connects one end of resistance R11，25 feet processing chip IC 2 are connected with one end of the other end of electric capacity C10 and resistance R18 respectively，The other end of resistance R18、The other end of resistance R11 and the source electrode of metal-oxide-semiconductor M4 are connected with the positive pole of ferric phosphate lithium cell V3 and the negative pole of ferric phosphate lithium cell V4 jointly，26 feet processing chip IC 2 connect one end of resistance R19，The other end of resistance R19 connects the grid of metal-oxide-semiconductor M4，The drain electrode of metal-oxide-semiconductor M4 connects one end of resistance R12，27 feet processing chip IC 2 are connected with one end of the other end of electric capacity C9 and resistance R20 respectively，The other end of resistance R20、The other end of resistance R12、The positive pole of ferric phosphate lithium cell V4 and the positive pole of diode D5 connect the positive terminal of described photovoltaic module jointly，The negative pole of diode D5 connects the other end of resistance R21.
This utility model is owing to have employed said structure, compared with prior art, has the beneficial effect that the advantage that ferric phosphate lithium cell has high-low temperature resistant, extra long life, Large Copacity, discharge-rate height, memory-less effect, safety and environmental protection；Casing adopts magnalium die casting to form, and light weight, good airproof performance, intensity are high, degree of protection high, it is possible to anti-drench with rain for a long time and the short time is soaked, is suitable to use under field extreme environment；Single chip control module, using single-chip microcomputer as core, has over-charging of battery, crosses and put, transship and short-circuit protection and anti-reverse defencive function, and charge, independence of discharging, ultra-low power standby can be realized；Utilize solar energy to be converted to electric energy, environmental protection, also can carry out USB output, with fill with, easy to operate, the double; two photovoltaic electroplax configuration structure of open-close type, it may be achieved battery is carried out quick charge when reducing small product size.
Accompanying drawing explanation
Fig. 1 is overall structure exploded view of the present utility model.
Fig. 2 is axonometric chart of the present utility model.
Fig. 3 is another visual angle schematic diagram of Fig. 2.
Fig. 4 is the electric theory diagram of single chip control module described in the utility model.
Fig. 5 is the electrical connection graph of charging control circuit described in the utility model.
Fig. 6 is the electrical connection graph of battery protecting circuit described in the utility model.
In figure: 1. casing, 11. casing chambeies, 12. charging input interfaces, 13. junction buttons, 14. handles, 15. connect ring, 16. first corner protectors；2. cover plate, 21. charging output interface, 22. snap locks, 23. second corner protectors, 24. I/O ports, 241.USB5V output interface, 242.DC12V output interface, 243.DC19V output interface, 244. on and off switch, 25. waterproof plugs, 26. charging indicator lights, 27. battery capacity indication lamps；3. set of cells；4. single chip control module, 41. single-chip microcomputers, 42. charging control circuits, 43. battery protecting circuits, 44. first over-current detection circuits, 45. output controls and DC/DC booster circuit, 46. second over-current detection circuits, 47. outputs control and DC/DCUSB interface circuit, 48. indicating circuits, 49. steady pressure of system power circuits；5. photovoltaic module, 51. photovoltaic electroplaxs；6. braces；7. hinge.
Detailed description of the invention
In order to make the public can be fully understood by technical spirit of the present utility model and beneficial effect; detailed description of the invention of the present utility model will be described in detail by applicant below in conjunction with accompanying drawing; but the description of embodiment is not the restriction to technical scheme by applicant, any changing in the form rather than substance according to this utility model design all should be considered as protection domain of the present utility model.
Refer to Fig. 1～Fig. 3, a kind of solar mobile power box, including casing 1, cover plate 2, set of cells 3, single chip control module 4 and photovoltaic module 5, described casing 1 and cover plate 2 are formed by magnalium die casting, surface adopts Defend salt fog water transfer camouflage pattern to process, and degree of protection is up to IP65.Described casing 1 has a casing chamber 11 towards the side composition of cover plate 2, and cover plate 2 matches with casing 1, is connected by hinge 7 between the two.A casing 1 wherein sidewall longitudinally is provided with charging input interface 12, described charging input interface 12 can external photovoltaic module, in the present embodiment, described charging input interface 12 connects 19V DC source.Cover plate 2 is provided with charging output interface 21 on a side of corresponding charging input interface 12.Casing 1 is on front side wall and is provided with a pair connection ring 15 along its length, and cover plate 2 is on the side of corresponding casing 1 front side wall and connects ring 15 for corresponding a pair and is provided with snap lock 22, described snap lock 22 with is connected ring 15 adaptation connection.Described power supply box also includes braces 6, and casing 1 is interval with a pair D type junction button 13 along its length on front side wall, and junction button 13 is connected by the two ends of described braces 6 respectively with this；Casing 1 is provided with handle 14 in the centre position of front side wall.Casing 1 is provided with the first corner protector 16 in four corners, and described cover plate 2 is provided with the second corner protector 23 in four corners.Described set of cells 3 is made up of ferric phosphate lithium cell, and in the present embodiment, set of cells 3 is made up of the ferric phosphate lithium cell of four 3.2V/12AH, and is disposed on the two ends of casing chamber 11 length direction after coupling in pairs；The rated voltage of set of cells 3 is 12.8V herein, and capacity is 12AH, can at the temperature of-40 DEG C～+65 DEG C trouble free service.Described single chip control module 4 is arranged on the centre of casing chamber 11 length direction.Described photovoltaic module 5 includes a pair monocrystal silicon photovoltaic electroplax 51, and a pair described photovoltaic electroplax 51 faces each other the opening and closing place being arranged on casing 1 and cover plate 2, and fixedly mounts with casing 1 and cover plate 2 respectively.In the present embodiment, the rated power of photovoltaic module 5 is set to 12W, and rated voltage is set as 19V.Photovoltaic module 5 converts solar energy into electric energy and is stored in set of cells 3, after the voltage of set of cells 3 completes AD conversion by single chip control module 4, identifies that real-time voltage value is to realize Based Intelligent Control.
Refer to Fig. 4; described single chip control module 4 includes single-chip microcomputer 41, charging control circuit 42, battery protecting circuit the 43, first over-current detection circuit 44, output controls and DC/DC booster circuit the 45, second over-current detection circuit 46, output control and DC/DCUSB interface circuit 47, indicating circuit 48 and steady pressure of system power circuit 49, and described single-chip microcomputer 41 adopts HD15L01.Described single-chip microcomputer 41 is respectively with charging control circuit the 42, first over-current detection circuit 44, output controls and DC/DC booster circuit the 45, second over-current detection circuit 46, output control and DC/DCUSB interface circuit 47, indicating circuit 48 and photovoltaic module 5 electrically connect.Described charging control circuit 42 electrically connects with photovoltaic module 5 and battery protecting circuit 43.Described battery protecting circuit 43 electrically connects with first over-current detection circuit the 44, second over-current detection circuit 46, single-chip microcomputer 41, steady pressure of system power circuit 49 and set of cells 3.The first described over-current detection circuit 44 controls with output and DC/DC booster circuit 45 electrically connects, and the second described over-current detection circuit 46 controls with output and DC/DCUSB interface circuit 47 electrically connects.Described steady pressure of system power circuit 49 electrically connects with single-chip microcomputer 41, provides galvanic current source for single-chip microcomputer 41.Described photovoltaic module 5, set of cells 3, steady pressure of system power circuit 49, output controls and DC/DCUSB interface circuit 47, indicating circuit 48, output control and each earth terminal common ground of DC/DC booster circuit 45 and single-chip microcomputer 41.Described single-chip microcomputer 41 is also equipped with on & off switch DC_ON/OFF, for cut-out or the connection of power supply.
Output controls and DC/DC booster circuit 45 controls with output and DC/DCUSB interface circuit 47 carries out power supply output.With output control and DC/DC booster circuit 45 and output control and DC/DCUSB interface circuit 47 corresponding, described casing 1 is provided with I/O port 24 in the centre position of rear wall, be intervally arranged in described I/O port 24 USB5V output interface 241, DC12V output interface 242, DC19V output interface 243 and on and off switch 244 along its length, is also equipped with waterproof plug 25 on I/O port 24.Concrete, described output controls and DC/DC booster circuit 45 is corresponding with DC19V output interface 243, exports DC19V power supply, is available for notebook computer etc. and uses；Described output controls and DC/DCUSB interface circuit 47 is corresponding with USB5V output interface 241 and DC12V output interface 242, and wherein, USB5V output interface 241 exports DC5V power supply, and USB interface is available for the digital products such as mobile phone and uses；DC12V output interface 242 exports DC12V power supply.First over-current detection circuit 44 controls for output and DC/DC booster circuit 45 provides overcurrent protection, and the second over-current detection circuit 46 controls for output and DC/DCUSB interface circuit 47 provides overcurrent protection.Corresponding with indicating circuit 48, casing 1 is provided with charging indicator light 26 and battery capacity indication lamp 27 on rear wall, and described charging indicator light 26 can be arranged to red light and represent and charge, and green light represents that charging is complete；Battery capacity indication lamp 27 adopts green light (10%～100%), red light (0～10%), red flashing light (< 0) to represent electricity.The effect of charging control circuit 42 is the electric energy produced by photovoltaic module 5, after being changed by DC/DC, set of cells 3 is charged, and provides a series of function, such as constant-current charge, constant-voltage charge, trickle charge, solar maximum power electric tracing.The effect of battery protecting circuit 43 is that battery charging and discharging is managed, and function has additives for overcharge protection, over, overcurrent protection and battery electric quantity balanced.
Refer to Fig. 5, described charging control circuit 42 includes resistance R1～resistance R8, current sense resistor Rcs, electric capacity C1～electric capacity C7, Schottky diode D1, Schottky diode D2, light emitting diode D3, light emitting diode D4, inductance L1, metal-oxide-semiconductor M1 and charge controlling chip IC1, and described charge controlling chip IC1 adopts CN3722.The input termination photovoltaic module 5 of this charging control circuit 42 is powered, it may be achieved solar maximum power point is followed the tracks of.This circuit adopts constant-current constant-voltage charging pattern, is suitable for the charging of more piece ferric phosphate lithium cell.Set of cells 3 is powered for follow-up load after being charged control by this charging control circuit 42.When constant current charging mode, constant-current charge electric current is arranged by current sense resistor Rcs；When constant-voltage charge pattern, the potential-divider network that constant-voltage charge voltage is made up of resistance R6, resistance R7 is arranged.When the 15 foot voltages of charge controlling chip IC1 meet following three conditions simultaneously: a. latches threshold value more than low pressure；B. more than the voltage of set of cells 3；C. it is not less than maximum power point voltage set in advance, normal operation, set of cells 3 is charged.If the voltage of set of cells 3 lower than set constant-voltage charge voltage 66.7% time, charging control circuit 42 is automatically into trickle charge pattern, and now charging current is the 15% of set constant-current charge electric current.When set of cells 3 voltage more than set constant-voltage charge voltage 66.7% time, charging control circuit 42 enters constant current charging mode, charging current byInternal200mV reference voltage and current sense resistor Rcs arrange, described charging current is 200mV/RCS.When the voltage of set of cells 3 continues to rise and during close to constant-voltage charge voltage, charging control circuit 42 enters constant-voltage charge pattern, and charging current is gradually reduced, when charging current is reduced to the 9.5% of set constant-current charge electric current, entering charging done state, now charging current is zero.Charge controlling chip IC1 has two states instruction pin, respectively open-drain output pin 4 foot and open-drain output pin 5 feet, and wherein 4 feet are charged state instruction pin, and 5 feet are charging termination instruction pin.In trickle charge state, constant-current charge state and constant-voltage charge state, the transistor within 4 feet is connected, and is output as low level；Transistor within 5 feet turns off, and exports high-impedance state, to indicate charged state.At charging done state, the transistor within 4 feet turns off, and is output as high-impedance state；Transistor within 5 feet is connected, and output low level, to indicate charging to terminate.At charging done state, if off input power, more again access, a new charge cycle will be started；If the voltage of set of cells 3 drops to recharges threshold value (the 95.8% of constant-voltage charge voltage), new charge cycle also will be automatically begun to.
Referring to Fig. 6, described set of cells 3 includes the ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 and the ferric phosphate lithium cell V4 that are sequentially connected in series.Described battery protecting circuit 43 includes resistance R9～resistance R30, electric capacity C8～electric capacity C17, metal-oxide-semiconductor M2～metal-oxide-semiconductor M7, critesistor RNTC, diode D5 and process chip IC 2, described process chip IC 2 adopts HD15L02.2 feet processing chip IC 2 connect one end of resistance R22, the other end of resistance R22 respectively with one end of resistance R23, one end of electric capacity C8, one end of resistance R21 and process the 28 of chip IC 2,16 feet are connected, the other end connection of resistance R23 processes 3 feet of chip IC 2,4 feet processing chip IC 2 connect one end of electric capacity C13, the other end of electric capacity C13, one end of electric capacity C14, one end of electric capacity C15, one end of electric capacity C16, critesistor RNTCOne end, one end of resistance R24, one end of electric capacity C17, resistance R30 one end, process the 17 of chip IC 2,19 feet, the other end of electric capacity C8, one end of electric capacity C9, one end of electric capacity C10, one end of electric capacity C11, one end of electric capacity C12 and the source electrode of metal-oxide-semiconductor M7 connect the negative pole of ferric phosphate lithium cell V1 jointly, the other end connection of electric capacity C14 processes 6 feet of the other end connection process chip IC 2 of 5 feet of chip IC 2, electric capacity C15, the other end connection of electric capacity C16 processes 7 feet of chip IC 2, critesistor RNTCnullOther end connection process chip IC 28 feet，The other end connection of resistance R24 processes 9 feet of chip IC 2，10 feet processing chip IC 2 connect one end of resistance R25，11 feet processing chip IC 2 connect one end of resistance R26 and the drain electrode of metal-oxide-semiconductor M2，The other end of resistance R26、The other end of resistance R25、The source electrode of metal-oxide-semiconductor M2 and one end of resistance R29 connect the negative pole end of described photovoltaic module 5 jointly，The drain electrode of metal-oxide-semiconductor M2 connects the drain electrode of metal-oxide-semiconductor M3，The source electrode of metal-oxide-semiconductor M3 respectively with the other end of resistance R29、The other end of resistance R30 and one end of resistance R28 connect，The other end of resistance R28 is connected with 14 feet of the other end of electric capacity C17 and process chip IC 2 respectively，12 feet processing chip IC 2 connect one end of resistance R27，The other end of resistance R27 connects the grid of metal-oxide-semiconductor M3，20 feet processing chip IC 2 connect one end of resistance R13，The other end of resistance R13 connects the grid of metal-oxide-semiconductor M7，The drain electrode of metal-oxide-semiconductor M7 connects one end of resistance R9，21 feet processing chip IC 2 are connected with one end of the other end of electric capacity C12 and resistance R14 respectively，The other end of resistance R14、The other end of resistance R9 and the source electrode of metal-oxide-semiconductor M6 are connected with the positive pole of ferric phosphate lithium cell V1 and the negative pole of ferric phosphate lithium cell V2 jointly，22 feet processing chip IC 2 connect one end of resistance R15，The other end of resistance R15 connects the grid of metal-oxide-semiconductor M6，The drain electrode of metal-oxide-semiconductor M6 connects one end of resistance R10，23 feet processing chip IC 2 are connected with one end of the other end of electric capacity C11 and resistance R16 respectively，The other end of resistance R16、The other end of resistance R10 and the source electrode of metal-oxide-semiconductor M5 are connected with the positive pole of ferric phosphate lithium cell V2 and the negative pole of ferric phosphate lithium cell V3 jointly，24 feet processing chip IC 2 connect one end of resistance R17，The other end of resistance R17 connects the grid of metal-oxide-semiconductor M5，The drain electrode of metal-oxide-semiconductor M5 connects one end of resistance R11，25 feet processing chip IC 2 are connected with one end of the other end of electric capacity C10 and resistance R18 respectively，The other end of resistance R18、The other end of resistance R11 and the source electrode of metal-oxide-semiconductor M4 are connected with the positive pole of ferric phosphate lithium cell V3 and the negative pole of ferric phosphate lithium cell V4 jointly，26 feet processing chip IC 2 connect one end of resistance R19，The other end of resistance R19 connects the grid of metal-oxide-semiconductor M4，The drain electrode of metal-oxide-semiconductor M4 connects one end of resistance R12，27 feet processing chip IC 2 are connected with one end of the other end of electric capacity C9 and resistance R20 respectively，The other end of resistance R20、The other end of resistance R12、The positive pole of ferric phosphate lithium cell V4 and the positive pole of diode D5 connect the positive terminal of described photovoltaic module 5 jointly，The negative pole of diode D5 connects the other end of resistance R21.
Described battery protecting circuit 43 has additives for overcharge protection state, over state, discharge over-current guard mode and equalization function.Under additives for overcharge protection state; when power supply box is in 14 foot voltages of battery charging state and process chip IC 2 more than charging overcurrent protection threshold value VOVCC(-0.05V); when namely there is not stream; as long as any voltage value higher than 3.75V and continue for a period of time in ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 or ferric phosphate lithium cell V4; process chip IC 2 namely to think set of cells 3 occurs overcharge; 11 feet are become high-impedance state from high level; and it is pulled to low level by resistance R26; make charging control metal-oxide-semiconductor M2 to turn off, stop charging.Namely additives for overcharge protection state can be released: the voltage of ferric phosphate lithium cell V1～ferric phosphate lithium cell V4 is below 3.75V and continues for some time when meeting one of following two conditions；The 10 foot voltages processing chip IC 2 access load more than 100mV(), the voltage of ferric phosphate lithium cell V1～ferric phosphate lithium cell V4 is below 3.75V and continues for some time.Under over state, when power supply box is in 14 foot voltages of battery charging state and process chip IC 2 less than the first electric discharge overcurrent protection threshold value VOC1(0.1V), namely discharged stream time, if ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, in ferric phosphate lithium cell V3 or ferric phosphate lithium cell V4, any voltage value lower than 2V and continue for a period of time, process chip IC 2 namely to think set of cells 3 occurs in that over-discharge state, 12 feet are become low level from high level, control of discharge metal-oxide-semiconductor M3 is turned off, stop electric discharge, now process chip IC 2 and enter park mode.Over state (resting state) can be released: the 10 foot voltages of process chip IC 2 voltage equal to 0V and ferric phosphate lithium cell V1～ferric phosphate lithium cell V4 is all higher than 2V and continues for some time when meeting one of following two condition；The 10 foot voltages processing chip IC 2 access charging control circuit less than-100mV(), the voltage of ferric phosphate lithium cell V1～ferric phosphate lithium cell V4 is all higher than 2V and continues for some time.Under discharge over-current guard mode; during discharging; discharge current changes along with load; the 14 foot voltages processing chip IC 2 increase along with the increase of discharge current; when this voltage is higher than the first electric discharge overcurrent protection threshold value VOC1(0.1V) and continue for some time, namely think and occur in that an overcurrent condition；When this voltage is higher than the second electric discharge overcurrent protection threshold value VOC2(0.4V) and continue for some time, namely think and occur in that another overcurrent condition；When this voltage is higher than short-circuit protection threshold value VSHORT(0.8V) and sustained short-circuit protection time delay TSHORT(300uS), namely think and occur in that short-circuit condition.After any one state in three kinds of states occurs, 12 feet processing chip IC 2 are become low level from high level, turn off control of discharge metal-oxide-semiconductor M3, stop electric discharge, meanwhile, cross the internal pull down resistor of stream lock terminal 10 foot and access.Usual VOC1 < VOC2 < VSHORT, 12 feet processing chip IC 2 during overcurrent protection are locked into low level, and disconnecting consumers can unlock.For equalization function, battery capacity equalization function is used in balancing battery group 3 ferric phosphate lithium cell V1, the electricity of ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 and ferric phosphate lithium cell V4.When the cell voltage of ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 or ferric phosphate lithium cell V4 is below or is all higher than balance actuation threshold threshold voltage 3.65V, the equilibrium discharge loop being made up of metal-oxide-semiconductor M4～metal-oxide-semiconductor M7 and resistance R9～resistance R12 will not start；The ferric phosphate lithium cell that otherwise voltage starts threshold value 3.65V higher than equilibrium will start corresponding equilibrium discharge loop, make the tension discharge of set of cells 3 to 3.65V.When charging; if the ferric phosphate lithium cell that in four joint ferric phosphate lithium cells, voltage is the highest enters additives for overcharge protection state and what its equilibrium discharge loop was on; charging controls metal-oxide-semiconductor M2 and will turn off; equilibrium discharge loop after making this joint ferric phosphate lithium cell voltage return to overcharge releasing threshold voltage 3.65V, then will be opened charging and control metal-oxide-semiconductor M2 and continue charging.After repeatedly charge and discharge cycles, the voltage of all of ferric phosphate lithium cell will all be charged to more than 3.65V, eliminates the difference of each batteries capacity with this.
Claims (9)
- null1. a solar mobile power box，Including casing (1)、Cover plate (2) and set of cells (3)，Described casing (1) has a casing chamber (11) towards the side composition of cover plate (2)，Cover plate (2) matches with casing (1)，Described set of cells (3) is arranged in casing chamber (11)，It is characterized in that: also include single chip control module (4) and photovoltaic module (5)，Described single chip control module (4) is arranged on the centre of casing chamber (11) length direction，Single chip control module (4) includes single-chip microcomputer (41)、Charging control circuit (42)、Battery protecting circuit (43)、First over-current detection circuit (44)、Output controls and DC/DC booster circuit (45)、Second over-current detection circuit (46)、Output controls and DC/DCUSB interface circuit (47)、Indicating circuit (48) and steady pressure of system power circuit (49)，Described single-chip microcomputer (41) respectively with charging control circuit (42)、First over-current detection circuit (44)、Output controls and DC/DC booster circuit (45)、Second over-current detection circuit (46)、Output controls and DC/DCUSB interface circuit (47)、Indicating circuit (48) and photovoltaic module (5) electrical connection，Described charging control circuit (42) electrically connects with photovoltaic module (5) and battery protecting circuit (43)，Described battery protecting circuit (43) and the first over-current detection circuit (44)、Second over-current detection circuit (46)、Single-chip microcomputer (41)、Steady pressure of system power circuit (49) and set of cells (3) electrical connection，Described the first over-current detection circuit (44) controls with output and DC/DC booster circuit (45) electrically connects，Described the second over-current detection circuit (46) controls with output and DC/DCUSB interface circuit (47) electrically connects，Described steady pressure of system power circuit (49) electrically connects with single-chip microcomputer (41)，Output control and DC/DC booster circuit (45) and output control and DC/DCUSB interface circuit (47) carries out power supply output，Described photovoltaic module (5) includes a pair photovoltaic electroplax (51)，A pair described photovoltaic electroplax (51) faces each other the opening and closing place being arranged on casing (1) and cover plate (2)，And fixedly mount with casing (1) and cover plate (2) respectively，Described set of cells (3) is made up of ferric phosphate lithium cell.
- 2. solar mobile power box according to claim 1, it is characterized in that described casing (1) wherein sidewall longitudinally is provided with charging input interface (12), cover plate (2) is provided with charging output interface (21) on a side of corresponding charging input interface (12).
- 3. solar mobile power box according to claim 1, characterized by further comprising braces (6), described casing (1) is interval with a pair D type junction button (13) along its length on front side wall, and junction button (13) is connected by the two ends of described braces (6) respectively with this；Casing (1) is provided with handle (14) in the centre position of front side wall.
- 4. solar mobile power box according to claim 1, it is characterised in that described casing (1) and cover plate (2) are connected by hinge (7)；Described casing (1) is on front side wall and is provided with a pair connection ring (15) along its length, cover plate (2) is on the side of corresponding casing (1) front side wall and connects ring (15) for corresponding a pair and is provided with snap lock (22), described snap lock (22) with is connected ring (15) adaptation connection.
- 5. solar mobile power box according to claim 1, it is characterized in that described casing (1) and cover plate (2) are formed by magnalium die casting, casing (1) is provided with the first corner protector (16) in four corners, and cover plate (2) is provided with the second corner protector (23) in four corners.
- 6. solar mobile power box according to claim 1, it is characterized in that described casing (1) is provided with I/O port (24) in the centre position of rear wall, be intervally arranged in described I/O port (24) USB5V output interface (241), DC12V output interface (242), DC19V output interface (243) and on and off switch (244) along its length, is also equipped with waterproof plug (25) on I/O port (24).
- 7. solar mobile power box according to claim 1, it is characterised in that described casing (1) is provided with charging indicator light (26) and battery capacity indication lamp (27) on rear wall.
- null8. solar mobile power box according to claim 1，It is characterized in that described charging control circuit (42) includes resistance R1～resistance R8、Current sense resistor Rcs、Electric capacity C1～electric capacity C7、Schottky diode D1、Schottky diode D2、Light emitting diode D3、Light emitting diode D4、Inductance L1、Metal-oxide-semiconductor M1 and charge controlling chip IC1，Described charge controlling chip IC1 adopts CN3722，One end of resistance R8 respectively with one end of electric capacity C1、One end of resistance R1、One end of resistance R5、15 feet of charge controlling chip IC1、One end of electric capacity C5 and the source electrode of metal-oxide-semiconductor M1 connect，And the input constituting charging control circuit (42) is used for connecting described photovoltaic module (5)，The other end of resistance R8 and one end of resistance R3 connect 7 feet of charge controlling chip IC1 jointly，The positive pole of the other end connecting luminous diode D3 of resistance R1，The negative pole of light emitting diode D3 connects 5 feet of charge controlling chip IC1，The positive pole of the other end connecting luminous diode D4 of resistance R5，The negative pole of light emitting diode D4 connects 4 feet of charge controlling chip IC1，The other end of electric capacity C5 connects 1 foot of charge controlling chip IC1，The grid of metal-oxide-semiconductor M1 connects 16 feet of charge controlling chip IC1，The drain electrode of metal-oxide-semiconductor M1 connects the positive pole of Schottky diode D1，The negative pole of Schottky diode D1 is connected with one end of the negative pole of Schottky diode D2 and inductance L1 respectively，The other end of inductance L1 is connected with 13 feet of one end of current sense resistor Rcs and charge controlling chip IC1 respectively，The other end of current sense resistor Rcs respectively with one end of electric capacity C6、One end of electric capacity C7、One end of resistance R7 and 14 feet of charge controlling chip IC1 connect，And the outfan constituting charging control circuit (42) connects described set of cells (3) by battery protecting circuit (43)，The other end of electric capacity C7 respectively with the other end of resistance R7、One end of resistance R6 and 10 feet of charge controlling chip IC1 connect，9 feet of charge controlling chip IC1 are connected with one end of resistance R4，The other end of resistance R4 is connected with one end of electric capacity C4，8 feet of charge controlling chip IC1 connect one end of electric capacity C3，11 feet of charge controlling chip IC1 connect one end of electric capacity C2，The other end of resistance R3、The other end of resistance R2、The other end of electric capacity C2、The other end of electric capacity C3、The other end of electric capacity C4、The other end of resistance R6、The other end of electric capacity C1、The positive pole of Schottky diode D2、The other end of electric capacity C6 and the 2 of charge controlling chip IC1、3 foot common grounds.
- 9. solar mobile power box according to claim 1, it is characterized in that described set of cells (3) includes ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 and the ferric phosphate lithium cell V4 being sequentially connected in series, ferric phosphate lithium cell V1, ferric phosphate lithium cell V2, ferric phosphate lithium cell V3 and ferric phosphate lithium cell V4 are disposed on the two ends of casing chamber (11) length direction after mating in pairs；Described battery protecting circuit (43) includes resistance R9～resistance R30, electric capacity C8～electric capacity C17, metal-oxide-semiconductor M2～metal-oxide-semiconductor M7, critesistor RNTC, diode D5 and process chip IC 2, described process chip IC 2 adopts HD15L02,2 feet processing chip IC 2 connect one end of resistance R22, the other end of resistance R22 respectively with one end of resistance R23, one end of electric capacity C8, one end of resistance R21 and process the 28 of chip IC 2,16 feet are connected, the other end connection of resistance R23 processes 3 feet of chip IC 2,4 feet processing chip IC 2 connect one end of electric capacity C13, the other end of electric capacity C13, one end of electric capacity C14, one end of electric capacity C15, one end of electric capacity C16, critesistor RNTCOne end, one end of resistance R24, one end of electric capacity C17, resistance R30 one end, process the 17 of chip IC 2,19 feet, the other end of electric capacity C8, one end of electric capacity C9, one end of electric capacity C10, one end of electric capacity C11, one end of electric capacity C12 and the source electrode of metal-oxide-semiconductor M7 connect the negative pole of ferric phosphate lithium cell V1 jointly, the other end connection of electric capacity C14 processes 6 feet of the other end connection process chip IC 2 of 5 feet of chip IC 2, electric capacity C15, the other end connection of electric capacity C16 processes 7 feet of chip IC 2, critesistor RNTCnullOther end connection process chip IC 28 feet，The other end connection of resistance R24 processes 9 feet of chip IC 2，10 feet processing chip IC 2 connect one end of resistance R25，11 feet processing chip IC 2 connect one end of resistance R26 and the drain electrode of metal-oxide-semiconductor M2，The other end of resistance R26、The other end of resistance R25、The source electrode of metal-oxide-semiconductor M2 and one end of resistance R29 connect the negative pole end of described photovoltaic module (5) jointly，The drain electrode of metal-oxide-semiconductor M2 connects the drain electrode of metal-oxide-semiconductor M3，The source electrode of metal-oxide-semiconductor M3 respectively with the other end of resistance R29、The other end of resistance R30 and one end of resistance R28 connect，The other end of resistance R28 is connected with 14 feet of the other end of electric capacity C17 and process chip IC 2 respectively，12 feet processing chip IC 2 connect one end of resistance R27，The other end of resistance R27 connects the grid of metal-oxide-semiconductor M3，20 feet processing chip IC 2 connect one end of resistance R13，The other end of resistance R13 connects the grid of metal-oxide-semiconductor M7，The drain electrode of metal-oxide-semiconductor M7 connects one end of resistance R9，21 feet processing chip IC 2 are connected with one end of the other end of electric capacity C12 and resistance R14 respectively，The other end of resistance R14、The other end of resistance R9 and the source electrode of metal-oxide-semiconductor M6 are connected with the positive pole of ferric phosphate lithium cell V1 and the negative pole of ferric phosphate lithium cell V2 jointly，22 feet processing chip IC 2 connect one end of resistance R15，The other end of resistance R15 connects the grid of metal-oxide-semiconductor M6，The drain electrode of metal-oxide-semiconductor M6 connects one end of resistance R10，23 feet processing chip IC 2 are connected with one end of the other end of electric capacity C11 and resistance R16 respectively，The other end of resistance R16、The other end of resistance R10 and the source electrode of metal-oxide-semiconductor M5 are connected with the positive pole of ferric phosphate lithium cell V2 and the negative pole of ferric phosphate lithium cell V3 jointly，24 feet processing chip IC 2 connect one end of resistance R17，The other end of resistance R17 connects the grid of metal-oxide-semiconductor M5，The drain electrode of metal-oxide-semiconductor M5 connects one end of resistance R11，25 feet processing chip IC 2 are connected with one end of the other end of electric capacity C10 and resistance R18 respectively，The other end of resistance R18、The other end of resistance R11 and the source electrode of metal-oxide-semiconductor M4 are connected with the positive pole of ferric phosphate lithium cell V3 and the negative pole of ferric phosphate lithium cell V4 jointly，26 feet processing chip IC 2 connect one end of resistance R19，The other end of resistance R19 connects the grid of metal-oxide-semiconductor M4，The drain electrode of metal-oxide-semiconductor M4 connects one end of resistance R12，27 feet processing chip IC 2 are connected with one end of the other end of electric capacity C9 and resistance R20 respectively，The other end of resistance R20、The other end of resistance R12、The positive pole of ferric phosphate lithium cell V4 and the positive pole of diode D5 connect the positive terminal of described photovoltaic module (5) jointly，The negative pole of diode D5 connects the other end of resistance R21.
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| CN201620071084.2U CN205377427U (en) | 2016-01-25 | 2016-01-25 | Solar mobile power box |
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| CN201620071084.2U CN205377427U (en) | 2016-01-25 | 2016-01-25 | Solar mobile power box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515163A (en) * | 2016-01-25 | 2016-04-20 | 江苏好的节能光电科技有限公司 | Movable solar energy power box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515163A (en) * | 2016-01-25 | 2016-04-20 | 江苏好的节能光电科技有限公司 | Movable solar energy power box |
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