CN203056633U - Emergency power supply - Google Patents

Emergency power supply Download PDF

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Publication number
CN203056633U
CN203056633U CN 201320006546 CN201320006546U CN203056633U CN 203056633 U CN203056633 U CN 203056633U CN 201320006546 CN201320006546 CN 201320006546 CN 201320006546 U CN201320006546 U CN 201320006546U CN 203056633 U CN203056633 U CN 203056633U
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pin
circuit
power supply
battery pack
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雷星亮
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Huizhou Kaerku Technology Co ltd
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Abstract

The utility model relates to an emergency power supply, comprising a shell body, wherein the interior of the shell body is provided with a battery pack for storing electrical energy, an input end of the battery pack is connected with output ends of a solar panel input circuit and a charging circuit which is used for charging the battery pack, an output end of the battery pack is connected with a large current output circuit for outputting large current when a vehicle is started, and an external battery intelligent detecting system is connected between the battery pack and the large current output circuit. The emergency power supply is convenient to be charged, can output large current for starting the vehicle, and can accurately control the large current output.

Description

Emergency power supply
Technical field
The utility model belongs to the DC power supply field, is specifically related to a kind of emergency power supply that plurality of devices provides power supply that can be.
Background technology
Along with making rapid progress of science and technology, the raising day by day of people's living standard, automobile, mobile phone, computer, digital camera etc. become people's life, the indispensable article of going on a tour and travel, they all adopt powered battery, in case lose power supply, to completely lose the function that it has, bring inconvenience for people's life.Therefore, corresponding every kind of product, producer all provides corresponding charger, and the DC power supply that the civil power of 220v can be converted to relevant voltage is charged to it, but this charger can't satisfy the demand of outdoor charging.Especially for automobile, usually can run into the non-ignitable problem, particularly intransit automobile of beating, cross because of storage battery electric weight deficiency or temperature and lowly be difficult to beat catch fire, bring a lot of inconvenience to the user.
Existing Chinese patent literature CN101685974A discloses a kind of portable power source, comprise battery pack, charging circuit, the MCU micro-control circuit, DC-DC pressure regulation output circuit, described charging circuit is provided with the input that can be connected with external power source, the output that described charging circuit is provided with is electrically connected with battery pack, battery pack is electrically connected with MCU micro-control circuit and DC-DC pressure regulation output circuit simultaneously, the MCU micro-control circuit is electrically connected and control charging circuit and DC-DC pressure regulation output circuit, adopt the beneficial effect of technique scheme to be: simple in circuits, volume is less, lightly be easy to carry, easily control, intelligent, power loss is low and multi-functional, both can utilize commercial power charged, can give multiple electronic product power supply or charging, management by changing different output conversion heads again, carry with easy to use.This application patent has solved the output of multiple voltage grade and has had the self-charging function, but it does not possess big electric current fan-out capability, can not be as the automobile starting power supply, in addition, be direct current after the electric current output in this application file, and in reality, it is to need the input AC electricity that a lot of external equipments are also arranged, so this application patent also can't solve the interim powerup issue of this kind equipment.
The utility model content
The purpose of this utility model is to propose that a kind of self charging is convenient, electric current output is used for automobile starting greatly, and can accurately control the emergency power supply that big electric current is exported.
For reaching this purpose, the utility model by the following technical solutions:
A kind of emergency power supply, comprise housing, the inside of described housing is provided with the battery pack for store electrical energy, the input of described battery pack is connected with the charging circuit that is used for giving described batteries charging, the output of solar panels input circuit, export the big current output circuit of big electric current when the output of described battery pack is connected with for automobile starting, be connected with the external connection battery intelligent checking system between described battery pack and the described big current output circuit.
Wherein, described battery pack is by with LiFePO4; cobalt acid lithium; nickel-cobalt-manganese ternary lithium or LiMn2O4 are anodal; be that the lithium-ion electric core serial or parallel connection of negative pole is formed with artificial or native graphite; its output also is connected with multichannel DC-DC regulating circuit and led drive circuit; the described DC-DC regulating circuit in every road all is connected with the MCU control circuit; described MCU control circuit also is connected with the intelligent LED electric quantity display system for the electric weight that shows this emergency power supply; the output of described led drive circuit is connected with the LED illuminating lamp, and the two ends of described battery pack are parallel with the balance protection circuit for the protection of described battery pack.
Wherein, described external connection battery intelligent checking system comprises for the red-black storage battery folder that connects external connection battery, relay according to the conducting of detection signal control circuit or disconnection, be used for the voltage identification system that the external lead-acid accumulators of identification or lithium ion start the voltage of battery, and identification is by the electric current recognition system of the electric current of external start-up circuit, the two ends of the coil of described relay connect described voltage identification system, the input of described relay connects the voltage identification system, the output of described relay connects described big current output circuit, described red-black storage battery folder connects or connects by the lead that is welded in described battery pack positive and negative end by plugging anti-reverse plug, describedly plug anti-reverse plug and be connected with the both positive and negative polarity of described battery pack, described voltage identification system is connected with described red-black storage battery folder, described relay is 12V or 24V relay, current specification is 20A~300A, the pin position is 4~6, described external connection battery intelligent checking system is arranged at the outside of described emergency power supply, be connected with described emergency power supply by plugging anti-reverse plug, perhaps be arranged at the inside of described emergency power supply, red-black storage battery folder is arranged at the outside of described emergency power supply.
Wherein, when described red-black storage battery folder is connected with the both positive and negative polarity pole of external cell respectively, if connect state, the feedback voltage that described voltage identification system shows is for just, otherwise feedback voltage is for bearing, wherein, described positive feedback voltage is the scope of a~b, and described a is 6~24V, and b is 9~30V, during value, a is less than b; When feedback voltage is a~b, and be on the occasion of the time, the coil of described relay obtains the signal of telecommunication, the closing of contact, the input conducting of output and described big current output circuit, this emergency power supply begins external equipment is carried out big electric current power supply, and at this moment, described electric current recognition system detects the electric current through described big current output circuit, if this electric current is during less than c, c is 0.1~10A, and the signal of telecommunication at the coil two ends of described relay disappears, and the contact disconnects, the output disconnection is connected with described big current output circuit, stop external equipment heavy-current discharge, the output voltage of described big current output circuit is DC12V or DC24V, and immediate current is 100A~600A.
Wherein, described DC-DC regulating circuit comprises that output voltage is that boost output circuit, output voltage of the DC-DC19V of 19V is the DC-DC12V output circuit of 12V and the DC-DC5V step-down output circuit that output voltage is 5V.
Wherein, the output of described DC-DC12V output circuit is connected with warning system be used to the signal that gives the alarm, is used for the intelligent heating system that the direct current with described battery pack output is converted to the inverter circuit of alternating current and is used for giving described battery pack heating.
Wherein, the voltage of the alternating current of described inverter circuit output is 110V~220V, and described inverter circuit is built in the inside of described housing or is external in described housing.
Wherein, described intelligent heating system comprises heater strip or the heating film in the outside that is wound in described battery pack, is attached at the outer surface of described battery pack and the thermistor that is connected with heater strip or heating film, and starts the heating starting switch of intelligent heating system; The scope of the resistance value of described heater strip or heating film is 0.1 Ω~10 Ω; The intensification ceiling temperature that preestablishes described battery surface is t, the scope of t is 0~70 ℃, at this moment, open the heating starting switch, if feed back to the surface temperature of described battery pack of described MCU control circuit less than t by described thermistor, heating starting switch opens then, the two ends conducting electric current of heater strip or heating film, begin described battery pack is heated, the time that preestablishes heating is a fixed value d, and the scope of d is 10~300s, when the surface temperature of described battery pack reaches ceiling temperature t, the automatic disconnection of heating starting switch, perhaps when time of heating when reaching d, the heater circuit automatic disconnection of intelligent heating system.
Wherein, described housing is the shell of plastic cement material, aluminum alloy material or made from mixed materials, and described solar panels input circuit is arranged at the outside of described housing, and the power of described solar panels input circuit is 0.5W~50W, and input voltage is 5V~25V.
Wherein, also be connected with disposable or recoverable fuse between the output of described battery pack and the described external connection battery intelligent checking system, the electric current of described fuse is 50A~500A.
Wherein, the circuit of described electric current recognition system comprises: high precision operating amplifier U3, model is SGM8591, resistance R 12, R13, R14, R15, R16, R17, R18, R20, R21, RS, capacitor C 9, C12, switching diode D4, model is IN4148, the pin one of U3 is unsettled, the end of the pin two of U3 and R16, the end of R15, the end of R21 links together, the pin 3 of U3 and the end of C12, the end of RS, the negative pole of BT2 links together, the pin 4 of U3 and the negative pole of BT1, the other end of RS is ground connection together, the pin 5 of U3 is unsettled, the pin 6 of U3 and the end of R20, the other end of R21, the positive pole of D4 links together, the other end of R20 is connected with the other end of C12, the pin 7 of U3 and VCC end, the end of C9 links together, the other end ground connection of C9, the pin 8 of U3 is unsettled, the negative pole of D4 connects the end of R17, the end of the other end of R17 and R18, the IN2 end links together, the other end ground connection of R18, the end of the other end of R15 and R12, the end of R13, the end of R14 links together.
Wherein, the circuit of described voltage identification system comprises: dual operational amplifier U2, model is LM358, three-terminal voltage-stabilizing circuit U 1, model is 7805, resistance R 1, R2, R4, R5, R6, R7, R8, R9, R10, R11, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, Schottky diode D1, D2, model is SS14, three ends are adjustable shunting a reference source U4, model is TL431, the end of the pin one of U2 and R5, the end of C5, the end of C4 links together, the end of the other end of R5 and R6, the IN1 end links together, the other end ground connection of R6, the pin two of U2 and the pin of U2 5, the end of R11, the negative electrode of U4, the reference utmost point of U4, the other end of R16 links together, another termination VCC end of R11, the pin 3 of U2 and the other end of C5, the end of R1, the end of R7, the end of R8 links together, another termination C4 other end of R1, the pin 4 of U2 and the other end of R7, the anode of U4, the end of R9 is ground connection together, the other end of R8 and the negative pole of D2, the end of R10 links together, the positive pole of D2 connects the positive pole of BT2, the pin 6 of U2 and the other end of R10, the other end of R9, the end of C6, the end of R2 links together, the pin 7 of U2 and the other end of C6, the end of C7, the end of R4 links together, another termination A point of R4, the other end of another termination R2 of C7, the pin 8 of U2 and the end of C8, the end of C2, the end of C3, the pin 3 of U1, the VCC end links together, the other end ground connection of C8, the other end of C2 and the other end of C3 be ground connection together, the end of the pin one of U1 and C1, the negative pole of D1 links together, the pin two of U1 is with the other end ground connection of C1, and the positive pole of D1 connects the positive pole of BT1.
Wherein, the circuit of described relay comprises: three-terminal voltage-stabilizing chip U5, model is XC6219, resistance R 3, R19, R22, capacitor C 11, C13, C14, Schottky diode D5, model is SS14, MCU control chip J1, control switch Q1, Q2, Q3, model is SI2300, relay, the end of the pin one of U5 and C13, the pin 3 of U5, the VCC end links together, the pin two of U5 and the other end of C13, the end of C14, the pin two of J1 is ground connection together, the pin 4 of U5 is unsettled, the pin 5 of U5 and the other end of C14, the pin one of J1 links together, the pin 3 of J1 connects the IN1 end, the pin 4 of J1 connects the OUT1 end, the pin 5 of J1 connects the IN2 end, the pin 6 of J1 connects the OUT2 end, the pin 7 of J1 is unsettled, the pin 8 of J1 is unsettled, the end of OUT1 termination R3, the grid of another termination Q2 of R3, the drain electrode of Q2 and the source electrode of Q3, the other end of R13 links together, the drain electrode of Q3 connects the other end of R12, and the grid of Q3 connects A point, the source electrode of Q2 and the source electrode of Q1, the other end of R14 links together, the grid of Q1 connects the end of R19, another termination OUT2 end of R19, the drain electrode of Q1 and the positive pole of D5, one end of relay coil links together, the negative pole of D5, the other end of relay coil, one end of the normal opened contact of relay, the end of R22 and the positive pole of BT1 link together, the end of another termination C11 of R22, the other end of the other end of C11 and the normal opened contact of relay, the positive pole of BT2 links together.
The beneficial effects of the utility model are: emergency power supply of the present utility model adopts lithium ion battery as battery pack, have in light weight, volume is little, durable, the electric current that sparks is big, the characteristics that can charge repeatedly, can satisfy the big electric current needs of automobile starting, by being connected the external connection battery intelligent checking system between big current output circuit and the battery pack, can control the big electric current power supply to external equipment effectively, accurately and reliably, effectively utilize the electric energy of power supply.The battery pack of this emergency power supply is connected with the regulating circuit of exportable multiple voltage grade again, by each road regulating circuit output is connected with the MCU control circuit, can satisfy the open air power supply needs of equipment such as mobile phone, computer, digital camera, vehicle-mounted inflating pump, car refrigerator, vehicle-mounted dust catcher; The LED lamp can provide outdoor lighting; Itself can charge this emergency power supply by external power source, also can charge to it by solar energy, and when this makes this emergency power supply out of doors, electric energy supplement automatically.In addition, this emergency power supply self is provided with warning system, and the demonstration that the lost or system that pushes for emergency voluntarily when situation occurring as the user, warning system can be by indicator lights or warning system are sounded around the prompting, to reach the purpose of emergency; This emergency power supply also is connected with inverter circuit and intelligent heating system, wherein, inverter circuit can be converted to alternating current with the direct current of battery pack output, so that power supply when needing the electric power of equipment of alternating current not enough when outdoor, and intelligent heating system is by heater strip or heating film and thermistor, externally ambient temperature is hanged down influences under the situation of power supply normal power supply, battery pack to power supply heats, guarantee that battery pack also can operate as normal under low temperature environment, provide electric energy to the outside.Simultaneously, this emergency power supply is provided with red-black storage battery folder, in the time of can effectively preventing from being the battery of outside need rescue both positive and negative polarity is connect instead, for the user facilitates.
Description of drawings
Fig. 1 is the principle schematic of the utility model emergency power supply;
Fig. 2 is the circuit theory diagrams one of the external connection battery intelligent checking system of the utility model emergency power supply;
Fig. 3 is the circuit theory diagrams two of the external connection battery intelligent checking system among Fig. 2.
Among the figure: the 1-charging circuit; 2-solar panels input circuit; 3-balance protection circuit; The 4-battery pack; The 5-fuse; 6-external connection battery intelligent checking system; The big current output circuit of 7-; 8-intelligent LED electric quantity display system; 9-DC-DC5V step-down output circuit; The 10-12V output circuit; The 11-DC-DC19V output circuit that boosts; The 12-LED drive circuit; The 13-LED illuminating lamp; The 14-MCU control circuit; The 15-warning system; 16-intelligence heating system; The 17-inverter circuit; The circuit of 61-voltage identification system; The circuit of 62-electric current recognition system; The circuit of 63-relay.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 to Figure 3, a kind of emergency power supply, comprise housing, the inside of housing is provided with the battery pack 4 for store electrical energy, the input of battery pack 4 is connected with the charging circuit 1 of charging be used for for battery pack 4, the output of solar panels input circuit 2, export the big current output circuit 7 of big electric current when the output of battery pack 4 is connected with for automobile starting, be connected with external connection battery intelligent checking system 6 between battery pack 4 and the big current output circuit 7.Further; battery pack 4 is by with LiFePO4; cobalt acid lithium; nickel-cobalt-manganese ternary lithium or LiMn2O4 are anodal; be that the lithium-ion electric core serial or parallel connection of negative pole is formed with artificial or native graphite; its output also is connected with multichannel DC-DC regulating circuit and led drive circuit 12; every road DC-DC regulating circuit all is connected with MCU control circuit 14; MCU control circuit 14 also is connected with the intelligent LED electric quantity display system 8 for the electric weight that shows this emergency power supply; the output of led drive circuit 12 is connected with LED illuminating lamp 13, and the two ends of battery pack 4 are parallel with the balance protection circuit 3 for the protection of described battery pack 4.Wherein, the DC-DC regulating circuit comprises that output voltage is that boost output circuit 11, output voltage of the DC-DC19V of 19V is the DC-DC12V output circuit 10 of 12V and the DC-DC5V step-down output circuit 9 that output voltage is 5V.In addition, the housing in the utility model is the shell of plastic cement material, aluminum alloy material or made from mixed materials, and solar panels input circuit 2 is arranged at the outside of housing, and the power of solar panels input circuit 2 is 0.5W~50W, and input voltage is 5V~25V.
The battery pack that this emergency power supply adopts lithium ion battery to form, have in light weight, volume is little, durable, the electric current that sparks is big, the characteristics that can charge repeatedly can satisfy the big electric current needs of automobile starting.This emergency power supply by being connected the external connection battery intelligent checking system between big current output circuit and the battery pack, can be controlled effectively the big electric current of external equipment is powered again, accurately and reliably, effectively utilizes the electric energy of power supply; Its battery pack is connected with the regulating circuit of exportable multiple voltage grade again, by each road regulating circuit output is connected with the MCU control circuit, can satisfy the open air power supply needs of equipment such as mobile phone, computer, digital camera, vehicle-mounted inflating pump, car refrigerator, vehicle-mounted dust catcher; The LED lamp can provide outdoor lighting; Itself can charge this emergency power supply by external power source, under the situation of no external power source, also can charge to it by solar energy, and when this makes this emergency power supply out of doors, electric energy supplement automatically.Simultaneously, by intelligent LED electric quantity display system 14, the electric weight that can detect the battery pack 4 of this emergency power supply in real time uses state.
The output of DC-DC12V output circuit 10 is connected with warning system 15 be used to the signal that gives the alarm, be used for direct current with battery pack 4 outputs is converted to the inverter circuit 17 of alternating current and is used for the intelligent heating system 16 of heating for battery pack 4.This warning system 15 is can be the user lost or be pressed voluntarily by the user when situation occurring, and the demonstration that warning system 15 can be by indicator light or warning system 15 are sounded around the prompting, to reach the purpose of emergency.Wherein, the voltage of the alternating current of inverter circuit 17 outputs is 110V~220V, can easily this emergency power supply be connected with the external equipment that needs AC-powered, voltage matches, need not pressure regulation again, when being convenient to this equipment and using out of doors, provide electric energy under the situation of power shortage, guarantee the operate as normal of equipment.This inverter circuit 17 can be built in the inside of housing, also can the interface that connect inverter circuit 17 be set at this housing, when needs provided alternating current, directly the inverter with the outside was connected with this interface, can realize that direct current converts the purpose of interchange to, easy to operate.In addition, intelligent heating system 16 comprises heater strip or the heating film in the outside that is wound in battery pack 4, is attached at the outer surface of battery pack 4 and the thermistor that is connected with heater strip or heating film, and starts the heating starting switch of intelligent heating system; The scope of the resistance value of heater strip or heating film is 0.1 Ω~10 Ω; During use, the intensification ceiling temperature that preestablishes battery pack 4 surfaces is t, the scope of t is 0~70 ℃, when ambient temperature is lower, and when having influenced the normal power supply of power supply, open the heating starting switch, if feed back to the surface temperature of battery pack 4 of MCU control circuit 14 less than t by thermistor, then control the heating starting switch opens of heater strip or heating film, the two ends conducting electric current of heater strip or heating film, this intelligence heating system 16 just begins battery pack 4 is heated; Before the heating, the time that preestablishes heating is a fixed value d, and the scope of d is 10~300s; In the process of heating, when the surface temperature of battery pack 4 reaches ceiling temperature t, the heating starting switch automatic disconnection of control heater strip or heating film, passing through of the electric current of blocking-up by heater strip or heating film two ends, perhaps reach d when the time of heating, then the heating to battery pack 4 is finished in the heater circuit automatic disconnection of intelligent heating system 16.This intelligence heating system 16 is controlled conducting and the disconnection of the heater circuit of intelligent heating system 16 exactly by the sensitivity characteristic of thermistor self to heat, effectively improves the efficiency of heating surface, and reduces the electric energy that adds heat loss.By increasing this intelligence heating system 16, this emergency power supply externally ambient temperature influences under the situation of power supply normal power supply than low, still can guarantee the battery pack operate as normal, provides electric energy to the outside, has improved the reliability of whole system.
External connection battery intelligent checking system 6 comprises for the red-black storage battery folder that connects external connection battery, relay according to the conducting of detection signal control circuit or disconnection, be used for the voltage identification system that the external lead-acid accumulators of identification or lithium ion start the voltage of battery, and identification is by the electric current recognition system of the electric current of external start-up circuit, wherein, the two ends of the coil of relay connect the voltage identification system, the input of relay connects the voltage identification system, the output of relay connects big current output circuit 7, red-black storage battery folder connects or connects by the lead that is welded in battery pack 4 positive and negative ends by plugging anti-reverse plug, if red-black storage battery folder with can plug anti-reverse plug when being connected, this can plug anti-reverse plug and is connected with the both positive and negative polarity of battery pack 4, and the voltage identification system is connected with red-black storage battery folder.Relay in the utility model is 12V or 24V relay, current specification is 20A~300A, the pin position is 4~6, external connection battery intelligent checking system 6 is arranged at the outside of this emergency power supply, be connected with this emergency power supply by plugging anti-reverse plug, perhaps be arranged at the inside of emergency power supply and red-black storage battery folder is arranged at the outside of emergency power supply.Preferably, in the utility model, external connection battery intelligent checking system 6 is arranged at the inside of emergency power supply and red-black storage battery folder is arranged at the outside of emergency power supply.Is connected by silica gel line or other leads between red-black storage battery folder and the battery pack 4, for being connected with external equipment, pressing from both sides by red-black storage battery and to be connected with external cell, can prevent from effectively also that anti-inserted or red-black storage battery from pressing from both sides to collide the short circuit that causes.
When hot black appliances bottle folder was connected with the both positive and negative polarity pole of external cell respectively, if connect state, the feedback voltage that the voltage identification system shows was for just, otherwise feedback voltage is to bear, wherein, positive feedback voltage is the scope of a~b, and a is 6~24V, b is 9~30V, during value, should make a less than b; If connect opposite state, relay is not worked, and big current output circuit 7 is in off-state.If when external connection battery intelligent checking system 6 lost efficacy, for guaranteeing the fail safe of this emergency power supply, in the emergency power supply circuit of the present utility model, be connected in series with disposable or recoverable fuse 5 between battery pack 4 and external connection battery intelligent checking system 6, the electric current of this fuse 5 is 50A~500A.For guaranteeing the safety that discharges and recharges of battery pack 4, the two ends of battery pack 4 are connected with balance protection circuit 3, and battery pack 4 is carried out the protection of over-current and-load super-charge super-discharge.
In the utility model, when the feedback voltage of voltage identification system is a~b, and be on the occasion of the time, the coil of relay receives this voltage signal, the closing of contact, output and big current output circuit 7 conductings, this emergency power supply begins external equipment is carried out big electric current power supply, and at this moment, the electric current recognition system detects the electric current through excessive current output circuit 7, if this electric current is during less than c, c is 0.1~10A, and the voltage signal at the coil two ends of relay disappears, and the contact disconnects, the output disconnection is connected with big current output circuit 7, stops external equipment heavy-current discharge.The output voltage of this big current output circuit 7 is DC12V or DC24V, and immediate current is 100A~600A, and the startup power supply that can be used as automobile under the emergency rating uses.By being connected external connection battery intelligent checking system 6 between big current output circuit 7 and the battery pack 4, can control effectively the big electric current of external equipment is powered, accurately and reliably, effectively utilize the electric energy of power supply.This external connection battery intelligent checking system 6 can be built in the inside of housing, also can be external in housing.
As Fig. 2, Figure 3 shows that the circuit theory diagrams of external connection battery intelligent checking system 6, wherein, BT1 is rechargeable battery, namely battery pack 4, BT2 is for being recharged automobile batteries.
Particularly, the circuit 62 of electric current recognition system comprises: high precision operating amplifier U3, model is SGM8591, resistance R 12, R13, R14, R15, R16, R17, R18, R20, R21, RS, capacitor C 9, C12, switching diode D4, model is IN4148, the pin one of U3 is unsettled, the end of the pin two of U3 and R16, the end of R15, the end of R21 links together, the pin 3 of U3 and the end of C12, the end of RS, the negative pole of BT2 links together, the pin 4 of U3 and the negative pole of BT1, the other end of RS is ground connection together, the pin 5 of U3 is unsettled, the pin 6 of U3 and the end of R20, the other end of R21, the positive pole of D4 links together, the other end of R20 is connected with the other end of C12, the pin 7 of U3 and VCC end, the end of C9 links together, the other end ground connection of C9, the pin 8 of U3 is unsettled, the negative pole of D4 connects the end of R17, the end of the other end of R17 and R18, the IN2 end links together, the other end ground connection of R18, the end of the other end of R15 and R12, the end of R13, the end of R14 links together.
Particularly, the circuit 61 of voltage identification system comprises: dual operational amplifier U2, model is LM358, three-terminal voltage-stabilizing circuit U 1, model is 7805, resistance R 1, R2, R4, R5, R6, R7, R8, R9, R10, R11, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, Schottky diode D1, D2, model is SS14, three ends are adjustable shunting a reference source U4, model is TL431, the end of the pin one of U2 and R5, the end of C5, the end of C4 links together, the end of the other end of R5 and R6, the IN1 end links together, the other end ground connection of R6, the pin two of U2 and the pin of U2 5, the end of R11, the negative electrode of U4, the reference utmost point of U4, the other end of R16 links together, another termination VCC end of R11, the pin 3 of U2 and the other end of C5, the end of R1, the end of R7, the end of R8 links together, another termination C4 other end of R1, the pin 4 of U2 and the other end of R7, the anode of U4, the end of R9 is ground connection together, the other end of R8 and the negative pole of D2, the end of R10 links together, the positive pole of D2 connects the positive pole of BT2, the pin 6 of U2 and the other end of R10, the other end of R9, the end of C6, the end of R2 links together, the pin 7 of U2 and the other end of C6, the end of C7, the end of R4 links together, another termination A point of R4, the other end of another termination R2 of C7, the pin 8 of U2 and the end of C8, the end of C2, the end of C3, the pin 3 of U1, the VCC end links together, the other end ground connection of C8, the other end of C2 and the other end of C3 be ground connection together, the end of the pin one of U1 and C1, the negative pole of D1 links together, the pin two of U1 is with the other end ground connection of C1, and the positive pole of D1 connects the positive pole of BT1.
Particularly, the circuit 63 of relay comprises: three-terminal voltage-stabilizing chip U5, model is XC6219, resistance R 3, R19, R22, capacitor C 11, C13, C14, Schottky diode D5, model is SS14, MCU control chip J1, control switch Q1, Q2, Q3, model is SI2300, relay, the end of the pin one of U5 and C13, the pin 3 of U5, the VCC end links together, the pin two of U5 and the other end of C13, the end of C14, the pin two of J1 is ground connection together, the pin 4 of U5 is unsettled, the pin 5 of U5 and the other end of C14, the pin one of J1 links together, the pin 3 of J1 connects the IN1 end, the pin 4 of J1 connects the OUT1 end, the pin 5 of J1 connects the IN2 end, the pin 6 of J1 connects the OUT2 end, the pin 7 of J1 is unsettled, the pin 8 of J1 is unsettled, the end of OUT1 termination R3, the grid of another termination Q2 of R3, the drain electrode of Q2 and the source electrode of Q3, the other end of R13 links together, the drain electrode of Q3 connects the other end of R12, and the grid of Q3 connects A point, the source electrode of Q2 and the source electrode of Q1, the other end of R14 links together, the grid of Q1 connects the end of R19, another termination OUT2 end of R19, the drain electrode of Q1 and the positive pole of D5, one end of relay coil links together, the negative pole of D5, the other end of relay coil, one end of the normal opened contact of relay, the end of R22 and the positive pole of BT1 link together, the end of another termination C11 of R22, the other end of the other end of C11 and the normal opened contact of relay, the positive pole of BT2 links together.
When the be connected disconnection of this emergency power supply with the external charging battery, or electric current is during less than the current value set, R15 and R16 in the circuit 62 of electric current recognition system offer the U3 detection signal, U3 sends one according to this detection signal and outputs signal to the MCU control chip at this moment, for the connection of MCU control chip decision circuitry or the state of disconnection, to make suitable indication; When output voltage is lower than predetermined value, when the predetermined value of this voltage is 8.1V in the utility model, resistance R 7 in the circuit 61 of voltage identification system, R8 can provide detection signal to U2, U2 sends one according to this detection signal and outputs signal to the IN1 end, the MCU control chip is according to the signal of IN1 end, and then the control switch Q2 in the circuit 63 of control relay; Be higher than predetermined value and work as output voltage, in the utility model, when the predetermined value of this voltage was 12.6V, the resistance R 9 in the circuit 61 of voltage identification system, R10 can provide detection signal to U2, and U2 sends the control switch Q3 in the circuit 63 of a signal control relay according to this detection signal.In the utility model; circuit 61 by the voltage identification system; the acting in conjunction of the circuit 62 of electric current recognition system; give MCU control chip signal; can be by the judgement of MCU control chip; Q1, Q2 in the circuit 63 of final realization control relay and the purpose of Q3, and then the effect that reaches charging and protect.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims (13)

1. emergency power supply, comprise housing, the inside of described housing is provided with the battery pack (4) for store electrical energy, it is characterized in that: the input of described battery pack (4) is connected with the charging circuit (1) that is used for giving described battery pack (4) charging, the output of solar panels input circuit (2), export the big current output circuit (7) of big electric current when the output of described battery pack (4) is connected with for automobile starting, be connected with external connection battery intelligent checking system (6) between described battery pack (4) and the described big current output circuit (7).
2. a kind of emergency power supply according to claim 1; it is characterized in that: described battery pack (4) is by with LiFePO4; cobalt acid lithium; nickel-cobalt-manganese ternary lithium or LiMn2O4 are anodal; be that the lithium-ion electric core serial or parallel connection of negative pole is formed with artificial or native graphite; its output also is connected with multichannel DC-DC regulating circuit and led drive circuit (12); the described DC-DC regulating circuit in every road all is connected with MCU control circuit (14); described MCU control circuit (14) also is connected with the intelligent LED electric quantity display system (8) for the electric weight that shows this emergency power supply; the output of described led drive circuit (12) is connected with LED illuminating lamp (13), and the two ends of described battery pack (4) are parallel with the balance protection circuit (3) for the protection of described battery pack (4).
3. a kind of emergency power supply according to claim 1, it is characterized in that: described external connection battery intelligent checking system (6) comprises for the red-black storage battery folder that connects external connection battery, relay according to the conducting of detection signal control circuit or disconnection, be used for the voltage identification system that the external lead-acid accumulators of identification or lithium ion start the voltage of battery, and identification is by the electric current recognition system of the electric current of external start-up circuit, the two ends of the coil of described relay connect described voltage identification system, the input of described relay connects the voltage identification system, the output of described relay connects described big current output circuit (7), described red-black storage battery folder connects or connects by the lead that is welded in described battery pack (4) positive and negative end by plugging anti-reverse plug, describedly plug anti-reverse plug and be connected with the both positive and negative polarity of described battery pack (4), described voltage identification system is connected with described red-black storage battery folder, described relay is 12V or 24V relay, current specification is 20A~300A, the pin position is 4~6, described external connection battery intelligent checking system (6) is arranged at the outside of described emergency power supply, be connected with described emergency power supply by plugging anti-reverse plug, perhaps be arranged at the inside of described emergency power supply, and red-black storage battery folder is arranged at the outside of described emergency power supply.
4. a kind of emergency power supply according to claim 3, it is characterized in that: when described red-black storage battery folder is connected with the both positive and negative polarity pole of external cell respectively, if connect state, the feedback voltage that described voltage identification system shows is for just, otherwise feedback voltage is for bearing, wherein, described positive feedback voltage is the scope of a~b, and described a is 6~24V, and b is 9~30V, during value, a is less than b; When feedback voltage is a~b, and be on the occasion of the time, the coil of described relay obtains the signal of telecommunication, the closing of contact, output and described big current output circuit (7) conducting, this emergency power supply begins external equipment is carried out big electric current power supply, at this moment, described electric current recognition system detects the electric current through described big current output circuit (7), if this electric current is during less than c, c is 0.1~10A, and the signal of telecommunication at the coil two ends of described relay disappears, and the contact disconnects, the output disconnection is connected with described big current output circuit (7), stop external equipment heavy-current discharge, the output voltage of described big current output circuit (7) is DC12V or DC24V, and immediate current is 100A~600A.
5. a kind of emergency power supply according to claim 2 is characterized in that: described DC-DC regulating circuit comprises that output voltage is that boost output circuit (11), output voltage of the DC-DC19V of 19V is the DC-DC12V output circuit (10) of 12V and the DC-DC5V step-down output circuit (9) that output voltage is 5V.
6. a kind of emergency power supply according to claim 5 is characterized in that: the output of described DC-DC12V output circuit (10) is connected with warning system (15) be used to the signal that gives the alarm, is used for the direct current of described battery pack (4) output is converted to the inverter circuit (17) of alternating current and the intelligent heating system (16) that is used for giving described battery pack (4) heating.
7. a kind of emergency power supply according to claim 6 is characterized in that: the voltage of the alternating current of described inverter circuit (17) output is 110V~220V, and described inverter circuit (17) is built in the inside of described housing or is external in described housing.
8. a kind of emergency power supply according to claim 6, it is characterized in that: described intelligent heating system (16) comprises heater strip or the heating film in the outside that is wound in described battery pack (4), be attached at the outer surface of described battery pack (4) and the thermistor that is connected with heater strip or heating film, and start the heating starting switch of intelligent heating system (16); The scope of the resistance value of described heater strip or heating film is 0.1 Ω~10 Ω; The intensification ceiling temperature that preestablishes described battery pack (4) surface is t, the scope of t is 0~70 ℃, at this moment, open the heating starting switch, if feed back to the surface temperature of described battery pack (4) of described MCU control circuit (14) less than t by described thermistor, heating starting switch opens then, the two ends conducting electric current of heater strip or heating film, begin described battery pack (4) is heated, the time that preestablishes heating is a fixed value d, the scope of d is 10~300s, when the surface temperature of described battery pack (4) reaches ceiling temperature t, the automatic disconnection of heating starting switch, perhaps when time of heating when reaching d, the heater circuit automatic disconnection of intelligent heating system.
9. a kind of emergency power supply according to claim 1, it is characterized in that: described housing is the shell of plastic cement material, aluminum alloy material or made from mixed materials, described solar panels input circuit (2) is arranged at the outside of described housing, the power of described solar panels input circuit (2) is 0.5W~50W, and input voltage is 5V~25V.
10. a kind of emergency power supply according to claim 1, it is characterized in that: also be connected with disposable or recoverable fuse (5) between the output of described battery pack (4) and the described external connection battery intelligent checking system (6), the electric current of described fuse (5) is 50A~500A.
11. a kind of emergency power supply according to claim 3, it is characterized in that, the circuit of described electric current recognition system (62) comprising: high precision operating amplifier U3, model is SGM8591, resistance R 12, R13, R14, R15, R16, R17, R18, R20, R21, RS, capacitor C 9, C12, switching diode D4, model is IN4148, the pin one of U3 is unsettled, the end of the pin two of U3 and R16, the end of R15, the end of R21 links together, the pin 3 of U3 and the end of C12, the end of RS, the negative pole of BT2 links together, the pin 4 of U3 and the negative pole of BT1, the other end of RS is ground connection together, the pin 5 of U3 is unsettled, the pin 6 of U3 and the end of R20, the other end of R21, the positive pole of D4 links together, the other end of R20 is connected with the other end of C12, the pin 7 of U3 and VCC end, the end of C9 links together, the other end ground connection of C9, the pin 8 of U3 is unsettled, the negative pole of D4 connects the end of R17, the end of the other end of R17 and R18, the IN2 end links together the other end ground connection of R18, the end of the other end of R15 and R12, the end of R13, the end of R14 links together.
12. a kind of emergency power supply according to claim 11, it is characterized in that: the circuit (61) of described voltage identification system comprises: dual operational amplifier U2, model is LM358, three-terminal voltage-stabilizing circuit U 1, model is 7805, resistance R 1, R2, R4, R5, R6, R7, R8, R9, R10, R11, capacitor C 1, C2, C3, C4, C5, C6, C7, C8, Schottky diode D1, D2, model is SS14, three ends are adjustable shunting a reference source U4, model is TL431, the end of the pin one of U2 and R5, the end of C5, the end of C4 links together, the end of the other end of R5 and R6, the IN1 end links together, the other end ground connection of R6, the pin two of U2 and the pin of U2 5, the end of R11, the negative electrode of U4, the reference utmost point of U4, the other end of R16 links together, another termination VCC end of R11, the pin 3 of U2 and the other end of C5, the end of R1, the end of R7, the end of R8 links together, another termination C4 other end of R1, the pin 4 of U2 and the other end of R7, the anode of U4, the end of R9 is ground connection together, the other end of R8 and the negative pole of D2, the end of R10 links together, the positive pole of D2 connects the positive pole of BT2, the pin 6 of U2 and the other end of R10, the other end of R9, the end of C6, the end of R2 links together, the pin 7 of U2 and the other end of C6, the end of C7, the end of R4 links together, another termination A point of R4, the other end of another termination R2 of C7, the pin 8 of U2 and the end of C8, the end of C2, the end of C3, the pin 3 of U1, the VCC end links together, the other end ground connection of C8, the other end of C2 and the other end of C3 be ground connection together, the end of the pin one of U1 and C1, the negative pole of D1 links together, the pin two of U1 is with the other end ground connection of C1, and the positive pole of D1 connects the positive pole of BT1.
13. a kind of emergency power supply according to claim 12, it is characterized in that: the circuit of described relay (63) comprising: three-terminal voltage-stabilizing chip U5, model is XC6219, resistance R 3, R19, R22, capacitor C 11, C13, C14, Schottky diode D5, model is SS14, MCU control chip J1, control switch Q1, Q2, Q3, model is SI2300, relay, the end of the pin one of U5 and C13, the pin 3 of U5, the VCC end links together, the pin two of U5 and the other end of C13, the end of C14, the pin two of J1 is ground connection together, the pin 4 of U5 is unsettled, the pin 5 of U5 and the other end of C14, the pin one of J1 links together, the pin 3 of J1 connects the IN1 end, the pin 4 of J1 connects the OUT1 end, the pin 5 of J1 connects the IN2 end, the pin 6 of J1 connects the OUT2 end, the pin 7 of J1 is unsettled, the pin 8 of J1 is unsettled, the end of OUT1 termination R3, the grid of another termination Q2 of R3, the drain electrode of Q2 and the source electrode of Q3, the other end of R13 links together, the drain electrode of Q3 connects the other end of R12, and the grid of Q3 connects A point, the source electrode of Q2 and the source electrode of Q1, the other end of R14 links together, the grid of Q1 connects the end of R19, another termination OUT2 end of R19, the drain electrode of Q1 and the positive pole of D5, one end of relay coil links together, the negative pole of D5, the other end of relay coil, one end of the normal opened contact of relay, the end of R22 and the positive pole of BT1 link together, the end of another termination C11 of R22, the other end of the other end of C11 and the normal opened contact of relay, the positive pole of BT2 links together.
CN 201320006546 2013-01-07 2013-01-07 Emergency power supply Expired - Lifetime CN203056633U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066662A (en) * 2013-01-07 2013-04-24 雷星亮 Emergency power supply
CN103746414A (en) * 2013-12-06 2014-04-23 北京中友伟皓科技发展有限公司 Large-current starting power supply equipment
CN105337346A (en) * 2015-10-26 2016-02-17 芜湖迈特电子科技有限公司 Improved military mobile power source
CN105897338A (en) * 2016-05-18 2016-08-24 中天科技光纤有限公司 Outdoor detection device based on energy supply of optical fibre
CN107516914A (en) * 2016-06-16 2017-12-26 翟顺利 A kind of portable intelligent, which fills, opens all-in-one
CN107863818A (en) * 2017-12-13 2018-03-30 广州市鑫炜明电子科技有限公司 A kind of uninterrupted multi-channel DC output switch power source of intelligent integral

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103066662A (en) * 2013-01-07 2013-04-24 雷星亮 Emergency power supply
WO2014106407A1 (en) * 2013-01-07 2014-07-10 Lei Xingliang Emergency power source
CN103066662B (en) * 2013-01-07 2015-08-05 雷星亮 emergency power supply
CN103746414A (en) * 2013-12-06 2014-04-23 北京中友伟皓科技发展有限公司 Large-current starting power supply equipment
CN103746414B (en) * 2013-12-06 2017-02-15 北京中友伟皓科技发展有限公司 Large-current starting power supply equipment
CN105337346A (en) * 2015-10-26 2016-02-17 芜湖迈特电子科技有限公司 Improved military mobile power source
CN105897338A (en) * 2016-05-18 2016-08-24 中天科技光纤有限公司 Outdoor detection device based on energy supply of optical fibre
CN107516914A (en) * 2016-06-16 2017-12-26 翟顺利 A kind of portable intelligent, which fills, opens all-in-one
CN107863818A (en) * 2017-12-13 2018-03-30 广州市鑫炜明电子科技有限公司 A kind of uninterrupted multi-channel DC output switch power source of intelligent integral
CN107863818B (en) * 2017-12-13 2021-03-19 广州市鑫炜明电子科技有限公司 Intelligent integrated uninterrupted multi-path direct current output switching power supply

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