CN204858674U - Automobile emergency starting power supply - Google Patents

Automobile emergency starting power supply Download PDF

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Publication number
CN204858674U
CN204858674U CN201520609815.XU CN201520609815U CN204858674U CN 204858674 U CN204858674 U CN 204858674U CN 201520609815 U CN201520609815 U CN 201520609815U CN 204858674 U CN204858674 U CN 204858674U
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circuit
resistance
output
battery core
charging
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徐建华
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Shenzhen Lvsun Electronics Technology Co Ltd
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Shenzhen Lvsun Electronics Technology Co Ltd
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Abstract

The utility model discloses an automobile emergency starting power supply, including charge input circuit, DC -DC step up switch circuit, electric core protection circuit, high magnification discharge electric core, DC -DC step -down switch circuit, central control circuit, USB output circuit, type -C output circuit, SOS emergency alarm lighting circuit, the emergent starting circuit of car. Input circuit's output and the DC -DC of charging steps up switch circuit and is connected, the DC -DC switch circuit output termination electricity core protection circuit that steps up, electricity core protection circuit and high magnification discharge electric core and DC -DC step -down switch circuit and link to each other, DC -DC step -down switch circuit's output and USB output circuit or type -C output circuit are connected, central control circuit output and DC -DC step -down switch circuit, SOS emergency alarm lighting circuit connects, the emergent starting circuit of car and high magnification discharge electric core and are connected. The circuit has high energy conversion efficiency, provide charge, the management of step -down, electric quantity, the emergent automobile emergency starting power supply scheme that starts four unification functions of car.

Description

Car emergency starts power supply
Technical field
The utility model relates to the power supply of car emergency startup and electronic product.
Background technology
Along with growth in the living standard, self-driving travel becomes a kind of fashion, but may run into the situation that car cannot start in the wild, and even dangerous, particularly cold weather often cannot start, and at this moment car emergency starts power supply and just arises at the historic moment.
Along with the high speed development of electronic technology, the function of the electronic product such as various mobile phone, digital camera, electronic reader, MP3, MP4 from strength to strength, need the electricity of consumption also increasing, but volume does less and less simultaneously, battery also and then does less and less, and its battery capacity does not catch up with the demand of user far away.Service time of battery is too short, and how long often have more than is needed when consumer uses electronic equipment out of doors just do not have electricity, very inconvenient.So just there is the product of portable power source, be the outdoor charging of the electronic products such as mobile phone specially.But current portable power source product majority uses aluminum hull lithium cell, heavier-weight, volume is also larger, capacity is generally about 2000mAh, function singleness, large, the existing portable power source of stand-by power consumption mostly is the independent one piece of circuit of charging, boost one piece of circuit, managing electric quantity one piece of circuit, and element is many, complex structure, therefore change-over circuit cost is high, output current is little and conversion efficiency is low, and after using a period of time, the service time of the battery core of portable power source can shorten greatly, and current most of portable power source charging rate is lower, is difficult to all the more meet growing requirement.
Utility model content
The purpose of this utility model is to provide a kind of car emergency to start power supply.
According to an aspect of the present utility model; provide a kind of car emergency and start power supply, comprise charging input circuit, DC-DC THE BOOST SWITCHING CIRCUIT, illumination/warning circuit, DC-DC reduction voltage circuit, battery core protective circuit, high-multiplying power discharge battery core, car emergency start line, USB output circuit, Type-C output circuit, charging quickly road, central control circuit.
Charging input circuit sends charging signals to DC-DC THE BOOST SWITCHING CIRCUIT.
DC-DC THE BOOST SWITCHING CIRCUIT sends boost signal to battery core protective circuit.
Battery core protective circuit protection high-multiplying power discharge battery core.
High-multiplying power discharge battery core is discharged to car emergency start line.
DC-DC step-down switching circuit sends buck signal to USB output circuit and charging quickly road.
Central control circuit sends a control signal to DC-DC step-down switching circuit and illumination/warning circuit.
Charging quickly road sends charging quickly signal to Type-C output circuit.
After the input circuit that charges in the utility model input charging signals; charge to high-multiplying power discharge battery core through battery core protective circuit after the boosting of DC-DC THE BOOST SWITCHING CIRCUIT; store electricity; when automobile needs emergency starting; by the repid discharge of high-multiplying power discharge battery core; connect car emergency start line, realize emergency starting.Simultaneously; if need for mobile electronic product charging; voltage then in battery core protective circuit is after DC-DC step-down switching circuit carries out step-down; identified by the USB data line of central control circuit to access; control DC-DC step-down switching circuit exports corresponding charging voltage, connects mobile electronic product data wire realize charging by USB output circuit.Data wire due to some electronic product is Type-C interface, and voltage is after the step-down of DC-DC step-down switching circuit, and be input to charging quickly road, charging quickly road outputs to Type-C output circuit again, realizes the quick charge to electronic product.Meanwhile, central control circuit controls the electric current in circuit, and controls the illumination of illumination/warning circuit.Car emergency of the present utility model starts power supply and has the four-in-one functions such as boost charge, reduced output voltage, managing electric quantity, car emergency startup, and has that stand-by power consumption is low, change-over circuit cost is low, function is complete, output current is large, conversion efficiency is high and charge efficiency advantages of higher.
In some embodiments, charging input circuit comprises input port IN1, resistance R18, electric capacity C7, electric capacity C1 and diode D8, and the positive pole of input port IN1 sends charging signals to the energy storage inductor L1 in DC-DC THE BOOST SWITCHING CIRCUIT 2; Electric capacity C1 is input filter capacitor, and resistance R18, electric capacity C7, electric capacity C1 and diode D8 form input detection module, and send detection signal to central control circuit.Thus, central control circuit also can according to the detection signal received, and in testing circuit, whether electric current is normal, and the normal work for DC-DC THE BOOST SWITCHING CIRCUIT provides power supply and charge capacity display to provide foundation.
In some embodiments, DC-DC THE BOOST SWITCHING CIRCUIT comprises boosted switch control circuit U1 and peripheral element, energy storage inductor L1, voltage control feedback resistance, output filter capacitor C5, voltage control feedback resistance comprises the 3rd resistance R3, 4th resistance R4, 5th resistance R5, 3rd resistance R3 connects with the 5th resistance R5 with after the 4th resistance R4 parallel connection, the output of energy storage inductor L1 is connected with input the 6th pin of boosted switch control circuit U1 and the 7th pin, output first pin of boosted switch control circuit U1 is connected output filter capacitor C5 and voltage control feedback resistance with the 9th pin, the output voltage of the first pin and the 9th pin is powered to battery core protective circuit 5.Thus, suitable charging voltage and charging current is provided for charging to battery core protective circuit.
In some embodiments, illumination/warning circuit comprises input capacitance C36, central controller U5, button K, control signal translation circuit, current controller U7, LED, inductance L 4, diode D3, wherein, control signal translation circuit comprises the 36 resistance R36, the 49 resistance R49, the 50 resistance R50 and the 13 triode Q13.Input capacitance C36 is connected with the 5th pin of current controller U7, and central controller U5 is connected with button K and control signal translation circuit.Control signal translation circuit is connected with current controller U7, current controller is connected with LED, the negative pole of LED is connected with one end of inductance L 4, the other end of inductance L 4 is connected with the anode of current controller (U7), diode D3, and the negative electrode of diode D3 is connected with the 5th pin of current controller (U7).Thus, push button K, and the information of central controller U5 to the K that pushes button processes, thus determine the working method of LED: one is LED Chang Liang, uses as illumination; Another kind is that LED is glimmered with the speed of each 1s or 0.5s of switch, uses as alarm lamp.
In some embodiments, DC-DC step-down switching circuit comprises step-down switching controller U3, equipment automatic identification circuit, and wherein equipment automatic identification circuit comprises the 4th controller U4, the 8th controller U8.Step-down switching controller U3 receives the control signal from central control circuit 11, and step-down switching controller U3 is also connected with equipment automatic identification circuit.Thus, the power supply that the identification code that this circuit can provide according to equipment automatic identification circuit exports relevant voltage and electric current exports supply terminal equipment by USB.
In some embodiments; battery core protective circuit comprises charge/discharge control circuit U2 and charging balanced circuit; charging balanced circuit comprises the 3rd triode Q3, the 4th triode Q4, the 5th triode Q5 and the 11 resistance R11, the 12 resistance R12, the 14 resistance R14, and charge/discharge control circuit (U2) sends a control signal to charging balanced circuit.Thus, battery core protective circuit is connected with DC-DC booster circuit, and to realize the charging to battery core, charging balanced circuit can make inner single the battery core charging voltage of battery core identical, to ensure that car emergency starts power supply and has good result of use, ensures its useful life.
In some embodiments, high-multiplying power discharge battery core comprises the combination battery core of 3 stacked lighium polymer battery core encapsulation.Thus; it is that capacity is high, volume is little, lightweight, charge laminated type lithium ion polymer battery core circuit rapidly; be connected with car emergency output line, start power supply as car emergency, by battery core protective circuit, DC-DC step-down switching circuit, illumination/warning circuit are powered simultaneously.
In some embodiments, Type-C output circuit comprises automatic identification device, DC-DC switching circuit U9, Type-C output port CON1, wherein, automatic identification device comprises the tenth controller U10 and the 4th controller U4, DC-DC switching circuit (U9) is connected with DC-DC reduction voltage circuit (4), and Type-C output port is connected with automatic identification device (U10), DC-DC switching circuit (U9).Thus, automatic identification device reads handset identity code, determine DC-DC switching circuit U9 charge the phone with 5V/1.5A or with 5V/3A to mobile phone quick charge.
In some embodiments, central control circuit comprises electric quantity metering lamp, current detection circuit, electric quantity metering lamp comprises the first LED LED1, the second LED LED2, the 3rd LED LED3, the 4th LED LED4, the 5th LED LED5, current detection circuit comprises the 40 resistance R40, the 47 R47 and the 29 electric capacity C29,47 resistance (R47) two ends connect the 40 resistance (R40) and the 29 electric capacity (C29) respectively, and each lamp of electric quantity metering lamp represents battery core and stores the electricity having 20%.Thus, by electric quantity metering lamp, central control circuit can to battery core electric quantity metering, and whether isomorphism current detection circuit testing circuit electric current is normal, and then the work of control DC-DC reduction voltage circuit, also can realize LED cylinder illumination/warning function.
Accompanying drawing explanation
Fig. 1 is the system block diagram that the utility model car emergency starts power supply;
Fig. 2 is the circuit theory diagrams of the car emergency startup power supply shown in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, car emergency startup power supply comprises charging input circuit 1, DC-DC THE BOOST SWITCHING CIRCUIT 2, illumination/warning circuit 3, DC-DC step-down switching circuit 4, battery core protective circuit 5, high-multiplying power discharge battery core 6, car emergency start line 7, USB output circuit 8, Type-C output circuit 9, charging quickly road 10, central control circuit 11.Charging input circuit 1 sends charging signals to DC-DC THE BOOST SWITCHING CIRCUIT 2; DC-DC THE BOOST SWITCHING CIRCUIT 2 sends boost signal to battery core protective circuit 5; Battery core protective circuit 5 sends guard signal to high-multiplying power discharge battery core 6 and DC-DC reduction voltage circuit 4; High-multiplying power discharge battery core 6 is discharged to car emergency start line 7; DC-DC reduction voltage circuit 4 sends buck signal to USB output circuit 8 and charging quickly road 9; Central control circuit 11 sends a control signal to DC-DC reduction voltage circuit 4 and illumination/warning circuit 3; Charging quickly road 10 sends charging quickly signal to Type-C output circuit 9.
As shown in Figure 2, charging input circuit comprises input port 1N1, resistance R18, electric capacity C7, electric capacity C1 and diode D8, and the cathode output end of input port 1N1 is connected with the energy storage inductor L1 in DC-DC THE BOOST SWITCHING CIRCUIT; Electric capacity C1 is input filter capacitor, resistance R18, electric capacity C7, electric capacity C1 and diode D8 form input detection module, its output is connected with central control circuit, for DC-DC THE BOOST SWITCHING CIRCUIT provides power supply, input detection module then points out central controller to prepare to measure charge capacity at any time, show.
DC-DC THE BOOST SWITCHING CIRCUIT 2 comprises boosted switch control circuit U1 and peripheral element, energy storage inductor L1, voltage control feedback resistance R3, R4, R5, output filter capacitor C5.The input of energy storage inductor L1 is connected with the output of charging input circuit; the other end of energy storage inductor L1 is connected with the input of boosted switch control circuit; the output of boosted switch control circuit U1 connects output filter capacitor C5 and voltage control feedback resistance R3, R4, R5, and the output voltage of the output of boosted switch control circuit U1 charges to battery core protective circuit.
Illumination/warning circuit 3 is made up of input capacitance C36, central controller U5, button K, control signal translation circuit, current controller U7, LED, and wherein control signal translation circuit comprises resistance R36, R49, R50 and triode Q13.Input capacitance is connected with current controller, and central controller C36 is connected with button K, control signal translation circuit, and control signal translation circuit is connected with current controller, and current controller is connected with LED, for LED illumination/alarm lamp provides operating current.
DC-DC step-down switching circuit 4 comprises step-down switching controller U3, equipment automatic identification circuit U4, U8 composition.Step-down switching controller U3 is connected with equipment automatic identification circuit U4, U8.DC-DC step-down switching circuit is the 5V/9V voltage voltage of the 9-13V of battery core protective circuit output being dropped to regulation.
Battery core protective circuit 5 comprises charge/discharge control circuit U2 and charging balanced circuit, and wherein charging balanced circuit comprises triode Q3, Q4, Q5 and resistance R11, R12, R14.Battery core protective circuit is connected with DC-DC booster circuit, and DC-DC booster circuit is powered to battery core protective circuit, and charging balanced circuit is consistent to ensure the voltage at inner single the battery core two ends of battery core.
High-multiplying power discharge battery core 6 is combination battery cores of the stacked lighium polymer battery core encapsulation of employing 3, and be connected with car emergency start line, start for car emergency, battery core is powered to DC-DC reduction voltage circuit, illumination/warning circuit by battery core protective circuit simultaneously.Car emergency start line has the function preventing automobile to battery core reverse charge, to ensure the use safety of battery core.
Type-C output circuit 9 comprises automatic identification device U10, U4, DC-DC switching circuit U9, Type-C output port CON1; DC-DC switching circuit U9 is connected with DC-DC reduction voltage circuit 4, Type-C output port CON1 is connected with automatic identification device U10, DC-DC switching circuit U9, require according to the identification code of automatic identification device the DC power supply automatically exporting 5V/1.5A or 5V/3A, use for corresponding mobile phone charging.
Central control circuit 11 comprises electric quantity metering lamp LED1-5 and current detection circuit, and wherein each lamp of electric quantity metering lamp LED1-5 represents battery core and stores the electricity having 20%, and current detection circuit comprises resistance R40, R47 and electric capacity C29.Current detection circuit monitoring car emergency starts the dynamic current of DC-DC reduction voltage circuit 4 and LED in power supply, has overcurrent, short-circuit protection.The operating state of central control circuit 11 also control DC-DC reduction voltage circuit 4, LED.
In car emergency startup power supply, not only USB port has QC2.0 quick-charge function (5V/9V), also has the mobile phone Type-C charging modes of 5V/1.5A or 5V/3A.Can carry out overcharging, cross put, the charging of overcurrent, short-circuit protection, battery and boosting, large charging or discharging current and high conversion efficiency; and realize the functions such as low standby power loss, electricity quantity inquiring, LED illumination/warning, the preferential electricity consumption of equipment, there is the four-in-one functions such as boost charge, reduced output voltage, managing electric quantity, car emergency startup.
Above-described is execution modes more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, the some distortion made and improvement all belong to protection range of the present utility model.

Claims (9)

1. car emergency starts power supply; comprise charging input circuit (1), DC-DC THE BOOST SWITCHING CIRCUIT (2), illumination/warning circuit (3), DC-DC step-down switching circuit (4), battery core protective circuit (5), high-multiplying power discharge battery core (6), car emergency startup (7), USB output circuit (8), Type-C output circuit (9), charging quickly road (10), central control circuit (11)
Described charging input circuit (1) sends charging signals to DC-DC THE BOOST SWITCHING CIRCUIT (2),
Described DC-DC THE BOOST SWITCHING CIRCUIT (2) sends boost signal to battery core protective circuit (5),
Described battery core protective circuit (5) sends guard signal to high-multiplying power discharge battery core (6),
Described high-multiplying power discharge battery core (6) is discharged to car emergency start line (7),
Described DC-DC step-down switching circuit (4) sends buck signal to USB output circuit (8) and charging quickly road (10),
Described central control circuit (11) sends a control signal to DC-DC step-down switching circuit (4) and illumination/warning circuit (3),
Described charging quickly road (10) sends charging quickly signal to Type-C output circuit (9).
2. car emergency according to claim 1 starts power supply, it is characterized in that,
Described charging input circuit (1) comprises input port IN1, resistance R18, electric capacity C7, electric capacity C1 and diode D8,
The positive pole of described input port IN1 sends charging signals to the energy storage inductor L1 in DC-DC THE BOOST SWITCHING CIRCUIT (2),
Described electric capacity C1 is input filter capacitor, and resistance R18, electric capacity C7, electric capacity C1 and diode D8 form input detection module, and send detection signal to central control circuit (11).
3. car emergency according to claim 2 starts power supply, it is characterized in that,
Described DC-DC THE BOOST SWITCHING CIRCUIT (2) comprises boosted switch control circuit U1 and peripheral element, energy storage inductor L1, voltage control feedback resistance, output filter capacitor C5, wherein,
Described voltage control feedback resistance comprises the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, and the 3rd resistance R3 connects with the 5th resistance R5 with after the 4th resistance R4 parallel connection,
The output of described energy storage inductor L1 is connected with input the 6th pin of boosted switch control circuit U1 and the 7th pin,
Output first pin of described boosted switch control circuit U1 is connected output filter capacitor C5 and voltage control feedback resistance with the 9th pin,
The output voltage of described first pin and the 9th pin charges to battery core protective circuit (5).
4. car emergency according to claim 3 starts power supply, it is characterized in that,
Described illumination/warning circuit (3) comprises input capacitance C36, central controller U5, button K, control signal translation circuit, current controller U7, LED, inductance L 4, diode D3, wherein, described control signal translation circuit comprises the 36 resistance R36, the 49 resistance R49, the 50 resistance R50, the 13 triode Q13
Described input capacitance C36 is connected with the 5th pin of current controller U7,
Described central controller U5 is connected with button K, control signal translation circuit,
Described control signal translation circuit is connected with current controller U7, current controller U7 is connected with LED, inductance L 4 is connected with LED negative pole, and the other end of inductance L 4 is connected with the anode of current controller U7, diode D3, and the negative electrode of diode D3 is connected with the 5th pin of current controller U7.
5. car emergency according to claim 4 starts power supply, it is characterized in that,
Described DC-DC step-down switching circuit (4) comprises step-down switching controller U3, equipment automatic identification circuit, and wherein, described equipment automatic identification circuit comprises the 4th controller U4 and the 8th controller U8,
Described step-down switching controller U3 receives the control signal from central control circuit (11),
Described step-down switching controller U3 is connected with equipment automatic identification circuit.
6. car emergency according to claim 5 starts power supply, it is characterized in that,
Described battery core protective circuit (5) comprises charge/discharge control circuit U2 and charging balanced circuit,
Described, charging balanced circuit comprises the 3rd triode Q3, the 4th triode Q4, the 5th triode Q5, the 11 resistance R11, the 12 resistance R12, the 14 resistance R14,
Described charge/discharge control circuit U2 sends a control signal to charging balanced circuit.
7. car emergency according to claim 6 starts power supply, it is characterized in that, described high-multiplying power discharge battery core (6) comprises the combination battery core of 3 stacked lighium polymer battery core encapsulation.
8. car emergency according to claim 7 starts power supply, it is characterized in that,
Described Type-C output circuit (9) comprises automatic identification device, DC-DC switching circuit U9, Type-C output port CON1, and wherein, described automatic identification device comprises the tenth controller U10 and the 4th controller U4,
Described DC-DC switching circuit U9 is connected with DC-DC reduction voltage circuit (4),
Described Type-C output port is connected with automatic identification device U10, DC-DC switching circuit U9.
9. the car emergency according to any one of claim 1-8 starts power supply, it is characterized in that,
Described central control circuit (11) comprises electric quantity metering lamp, current detection circuit,
Described electric quantity metering lamp comprises the first LED LED1, the second LED LED2, the 3rd LED LED3, the 4th LED LED4, the 5th LED LED5,
Described current detection circuit comprises the 40 resistance R40, the 47 resistance R47, the 29 electric capacity C29, and the 47 resistance R47 two ends meet the 40 resistance R40 and the 29 electric capacity C29 respectively,
Described each lamp of electric quantity metering lamp represents battery core and stores the electricity having 20%.
CN201520609815.XU 2015-08-13 2015-08-13 Automobile emergency starting power supply Active CN204858674U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106685022A (en) * 2017-03-27 2017-05-17 深圳市华凯联有限公司 Device for realizing fast charging and fast discharging of power supply for emergency starting of automobile
CN106786975A (en) * 2017-01-22 2017-05-31 湖南电将军新能源有限公司 A kind of charging control circuit of startup power supply
CN106936179A (en) * 2017-01-22 2017-07-07 湖南电将军新能源有限公司 A kind of imput output circuit for automobile starting power supply
CN108227587A (en) * 2018-01-19 2018-06-29 广州市品众电子科技有限公司 A kind of multi-port terminal maps activator appliance
CN109510261A (en) * 2018-11-21 2019-03-22 深圳市道通智能航空技术有限公司 A kind of charging circuit and charging system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786975A (en) * 2017-01-22 2017-05-31 湖南电将军新能源有限公司 A kind of charging control circuit of startup power supply
CN106936179A (en) * 2017-01-22 2017-07-07 湖南电将军新能源有限公司 A kind of imput output circuit for automobile starting power supply
CN106685022A (en) * 2017-03-27 2017-05-17 深圳市华凯联有限公司 Device for realizing fast charging and fast discharging of power supply for emergency starting of automobile
US10840710B2 (en) 2017-03-27 2020-11-17 USA Human International Group LLC Device capable of achieving fast charge and fast discharge of a vehicle emergency starting power source
CN108227587A (en) * 2018-01-19 2018-06-29 广州市品众电子科技有限公司 A kind of multi-port terminal maps activator appliance
CN109510261A (en) * 2018-11-21 2019-03-22 深圳市道通智能航空技术有限公司 A kind of charging circuit and charging system

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