CN102602295A - Awakening electric shock prevention device for electric vehicle - Google Patents
Awakening electric shock prevention device for electric vehicle Download PDFInfo
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- CN102602295A CN102602295A CN201210072495XA CN201210072495A CN102602295A CN 102602295 A CN102602295 A CN 102602295A CN 201210072495X A CN201210072495X A CN 201210072495XA CN 201210072495 A CN201210072495 A CN 201210072495A CN 102602295 A CN102602295 A CN 102602295A
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Abstract
The invention provides an awakening electric shock prevention device for an electric vehicle, which comprises an on-off module and a starting module, wherein the on-off module is used for grouped on-off of high-voltage power storage batteries of the electric vehicle, an output end of the on-off module is connected to the high-voltage power storage batteries of the electric vehicle, the starting module is used for starting and controlling the on-off module, an output end of the starting module is connected with an input end of the on-off module, and the starting module is provided with an awakening device for providing awakening voltage for the starting module. The awakening electric shock prevention device for the electric vehicle enables grouped on-off of the high-voltage power storage batteries of the electric vehicle, and the voltage of each high-voltage power storage battery group is the safety voltage for a human body, so that danger of high-voltage electric shock of staff in production and maintenance is reduced, and when the vehicle runs, the high-voltage power storage battery groups can be quickly connected together by the awakening electric shock prevention device for the electric vehicle, so that the high-voltage power supply requirement of the complete vehicle is met.
Description
Technical field
The present invention relates to a kind of prevention of electric shock device, relate in particular to a kind of electronlmobil and wake formula prevention of electric shock device up.
Background technology
Electronlmobil is except the performance performance, and safety how to take into account the user becomes important topic; Because of Electric Vehicle is different from general traditional combustion engine vehicle; Therefore electronlmobil is except that the requirement of Generally Recognized as safe property; Protection has special standard in addition to its electrical safety, must meet code requirement in the vehicle design process, to avoid the electronlmobil potential risk and to guarantee the safety of use.
Compared to the traditional combustion engine vehicle, the focus of electronlmobil safety is also different, at first is the risk that power resources-whether the high tension battery group causes personnel to get an electric shock of electronlmobil; At present; On pure electric automobile, usually adopt the preventing of input supply terminal of positive pole that main power switch, key switch cut off the car load battery pack and other electric parts, and the connection of still being kept perfectly of high tension battery group, so have following weak point: one; In process of production; Along with the continuous access of high pressure plurality of groups of storage batteries, when the high tension battery group total voltage of serial connection surpasses the safety voltage value, the danger that the just easy appearance of producers is got an electric shock; Two, electronlmobil gets into if any water in the process of moving, if original high tension battery group can not in time be broken off, the occupant is prone to cause personnel's Danger Electric shock risk; Three; Electronlmobil is in maintenance, owing to there are electric parts such as electromagnetic compatibility problem, the electric machine controller that uses on the car, DC/DC, battery charger, air-conditioner controller; All respectively car body is connected to 1 common mode capacitance at the power input positive and negative electrode; Made on the band of uncharged chassis electricity, though the life danger that can directly not cause with voltage causes the car personnel that the hand fiber crops are arranged easily and causes psychological stress; Electronlmobil adopts the high voltage supply system of high tension battery group and the low-voltage power supply system of 12V, and the negative pole of high tension battery group must not have any connection with electric chassis, and the high voltage supply system of high tension battery group and the low-voltage power supply system of 12V can not have any contact on request; And having had the low-voltage power supply system of high tension battery group electric power system and 12V, the existence of common mode capacitance gets in touch; Although have only voltage during stable state on the common mode capacitance, there is not electric current to pass through, work as personnel or other conductive articles and run into common mode capacitance; Will disequilibrate; Form the loop, thereby will produce the safety that electric current influences personnel this moment, yet; In order to satisfy the electromagnetic compatibility of electronlmobil, common mode capacitance can not be cancelled.
Summary of the invention
In view of this; Electronlmobil provided by the invention wakes formula prevention of electric shock device up, makes the high voltage power storage battery of electronlmobil divide into groups to switch on and off, and the voltage of the grouping of each high voltage power storage battery is the safety voltage of human body; Personnel have been reduced in the danger of producing, the maintenance mesohigh gets an electric shock; When going, said electronlmobil wakes formula prevention of electric shock device up and can fast each high voltage power storage battery divided into groups to couple together, to satisfy the high voltage supply demand of car load.
A kind of electronlmobil provided by the invention wakes formula prevention of electric shock device up, comprises the break-make module, is used for electronlmobil high voltage power storage battery is divided into groups to connect and break-make, and mouth is connected to electronlmobil high voltage power storage battery; Start module, be used for the said break-make module of start-up control, the input end of mouth and said break-make module joins; Said startup module is provided with and is used for to starting module the device that wakes up of wake-up voltage being provided;
Further, said startup module comprise key switch, direct current transducer, wake device up, photoelectrical coupler U1, triode Q1, diode D2, diode D3, diode D5, resistance R 1, resistance R 2, load resistor R12, diode D7 and charge controller; Said photoelectrical coupler U1 comprises light-emitting diode Dr and photo-transistor Qr; The said output terminals A 14 of waking device up is joined with the Enable Pin of said direct current transducer, and the said input end A1 that wakes device up is connected to the contact ST of said key switch, wakes the contact ACC that device input end A2 is connected to said key switch up; The positive input terminal D of said direct current transducer is connected to the positive pole of electronlmobil high voltage power storage battery, and said direct current transducer negative input end is connected to the negative pole of electronlmobil high voltage power storage battery, and the mouth of said direct current transducer and key switch contact LOCK join; Said key switch contact LOCK can join with contact ACC or contact ST; Said charge controller mouth is connected to the positive pole of diode D5; The negative pole parallel connection of said diode D5, diode D2 and diode D3 forms or door; The positive pole of said diode D2 and said direct current transducer mouth join, and the positive pole of said diode D3 and the said output terminals A 10 of waking device up are joined; The positive pole of said diode D7 is connected to the said device enable signal output terminals A 14 of waking up, and the negative pole of diode D7 is connected to the positive pole of the light-emitting diode Dr of photoelectrical coupler U1 through resistance R 1; Be connected to resistance R 2 between the positive pole of the light-emitting diode Dr of said photoelectrical coupler U1 and the negative pole; The light-emitting diode Dr negative pole of said photoelectrical coupler U1 is connected to the negative pole of electronlmobil high voltage power storage battery; The emitter of the photo-transistor Qr of said photoelectrical coupler U1 is connected with the base stage of aerotron Q1; Be connected to load resistor R12 between the base stage of said aerotron Q1 and the emitter; The collecting electrode of the photo-transistor of the collecting electrode of said aerotron Q1 and photoelectrical coupler U1 is connected to the break-make module, and the collecting electrode of said aerotron Q1 is connected with the input end of said charge controller;
Further, the said device that wakes up comprises drive control module, action module, enable module and accessory feed module; The first input end A1 of said drive control module is connected to the contact ST of said key switch; The second input end A2 of said drive control module is connected on the contact ACC of said key switch; The mouth of said drive control module is connected to the input end of said enable module, and the output terminals A 14 of said enable module is connected to the Enable Pin of said direct current transducer; The output terminals A 5 of said action module is connected to said enable module input end; The output terminals A 11 of said action module is connected to the contact LOCK of said key switch; The input end A6 of said action module is connected to the first voltage output end V1 of said accessory feed module; The input end A7 of said enable module is connected to the positive pole of electronlmobil high voltage power storage battery divided battery En; The positive input terminal A13 of said accessory feed module is connected to the positive pole of electronlmobil high voltage power storage battery divided battery En; The negative input end A12 of said accessory feed module is connected to the negative pole of electronlmobil high voltage power storage battery divided battery E1, and the second voltage output end A10 of said accessory feed module is connected to the positive pole of said diode D3, and the GND of said accessory feed module is connected with electric chassis publicly;
Further, said drive control module comprises diode D8, diode D9, diode D10, resistance R 5, resistance R 6, resistance R 7, resistance R 8 and capacitor C 1; The positive pole of said diode D8 is connected to the contact ACC of said key switch; The positive pole of said diode D9 is connected to the contact ST of said key switch; The positive pole of said diode D8 is through resistance R 5 ground connection, and said diode D9 is through resistance R 6 ground connection, and said diode D8 and the parallel connection of diode D9 negative pole constitute or door; The negative pole of said diode D8 and diode D9 is connected to the positive pole of said diode D10 through resistance R 7; Said capacitor C 1 and resistance R 8 parallel connection backs one end are connected to the positive pole of said diode D10, said capacitor C 1 and resistance R 8 parallel connection back other end ground connection, and said resistance R 8 is much larger than R7;
Further, said action module comprises resistance R 10, resistance R 11, diode D10 and aerotron Q2; One end of said resistance R 10 is connected to the positive pole of said diode D12; The negative pole of said diode D12 is connected to the emitter of said aerotron Q2; The positive pole of said diode D12 is connected to the first voltage output end V1 of said accessory feed module; The other end of said resistance R 10 is connected to the contact LOCK of said key switch as output terminals A 11; And the other end of resistance R 10 is connected to the base stage of said aerotron through resistance R 11, and the collecting electrode of said aerotron Q2 is as the output terminals A 5 of said action module;
Further, said enable module comprises resistance R 9, aerotron Q3, relay and diode D11; One end of said resistance R 9 is as said enable module input end; The other end of said resistance R 9 is connected to the base stage of aerotron Q3; Said aerotron Q3 grounded emitter; The collecting electrode of said aerotron Q3 is connected to the input end of relay; The parallelly connected flywheel diode of said diode D11 as said relay with said relay, the positive pole of said diode D11 is connected to the collecting electrode of said aerotron Q3, and the negative pole of said diode D11 is connected to and wakes device output terminals A 10 up; The input end A7 of said relay J 1 is connected to the positive pole of said electronlmobil high voltage power storage battery divided battery E1, and the output terminals A 14 of said relay is connected to the Enable Pin of said direct current transducer;
Further, said break-make module comprises at least two DC contactors, the coils from parallel connection of coils of said DC contactor, and said DC contactor is provided with output contact B1 and contact B2, and said each DC contactor all is connected to sustained diode 1;
Further; Saidly wake the requirement that device output terminals A 10 output voltage V 4 should satisfy said DC contactor minimum up; And satisfy the requirement that said DC contactor is supplied power in short-term; The said output voltage V 5 of waking the output voltage V 4 of device output terminals A 10 less than said direct current transducer up, said direct current transducer output voltage V 5 satisfies the on-load voltage requirement;
Further, said electronlmobil wakes formula prevention of electric shock device up and also comprises protection module, and said protection module comprises insulation tester, diode D4, resistance R 3, resistance R 4 and photoelectrical coupler U2; Said photoelectrical coupler U2 comprises light-emitting diode Ds and photo-transistor Qs; Said insulation tester mouth is connected to the positive pole of diode D4; The positive pole of the light-emitting diode Ds of said photoelectrical coupler U2 is connected to the negative pole of said diode D4 through resistance R 3; Be connected to resistance R 4 between the positive pole of the light-emitting diode Ds of said photoelectrical coupler U2 and the negative pole; And the negative earth of the light-emitting diode Ds of said photoelectrical coupler U2; The collecting electrode of the photo-transistor Qs of said photoelectrical coupler U2 is connected to the positive pole of the light-emitting diode Dr of said photoelectrical coupler U1, and the emitter of the photo-transistor Qs of said photoelectrical coupler U2 is connected to the negative pole of electronlmobil high voltage power storage battery.
The invention has the beneficial effects as follows: make the high voltage power storage battery of electronlmobil divide into groups to switch on and off; The voltage of the grouping of each high voltage power storage battery is the safety voltage of human body; Reduced personnel in the danger of producing, the maintenance mesohigh gets an electric shock, when going, said electronlmobil wakes formula prevention of electric shock device up; Can fast each high voltage power storage battery be divided into groups to couple together, to satisfy the high voltage supply demand of car load; And said electronlmobil wakes formula prevention of electric shock device up and is electrically connected closely, and antijamming capability is strong, and work is continual and steady.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is that electronlmobil of the present invention wakes formula prevention of electric shock device circuit schematic diagram up.
Fig. 2 be electronlmobil of the present invention wake formula prevention of electric shock device up wake device circuit theory schematic diagram up.
The specific embodiment
Fig. 1 is schematic circuit diagram of the present invention, Fig. 2 be electronlmobil of the present invention wake formula prevention of electric shock device up wake device circuit theory schematic diagram up.In the present embodiment, comprise the break-make module, be used for electronlmobil high voltage power storage battery is divided into groups to connect and break-make that mouth is connected to electronlmobil high voltage power storage battery; Start module, be used for the said break-make module of start-up control, the input end of mouth and said break-make module joins; Said startup module is provided with and is used for to starting module the device that wakes up of wake-up voltage being provided; The present invention can divide into groups electronlmobil high voltage power storage battery to connect; The voltage of each grouping is safety voltage; And can control the connection and the disconnection of each grouping as required, reach the purpose of protection operator safety.
In the present embodiment, said startup module comprises key switch 2, direct current transducer 6, wakes device 1 up, photoelectrical coupler U1, triode Q1, diode D2, diode D3, diode D6, resistance R 1, resistance R 2, load resistor R12, diode D7 and charge controller 4; Said photoelectrical coupler U1 comprises light-emitting diode Dr and photo-transistor Qr; The said output terminals A 14 of waking device 1 up is joined with the Enable Pin of said direct current transducer 6, and the said input end A1 that wakes device 1 up is connected to the contact ST of said key switch 2, wakes the contact ACC that device 1 input end A2 is connected to said key switch 2 up; The positive input terminal of said direct current transducer 6 is connected to the positive pole of electronlmobil high voltage power storage battery; The negative input end of direct current transducer 6 is connected to the negative pole of electronlmobil high voltage power storage battery, and the mouth of said direct current transducer 6 is connected with the contact LOCK of key switch 2; Said charge controller 4 mouths are connected with the positive pole of diode D5; The negative pole parallel connection of said diode D5, diode D2 and diode D3 forms or door; The positive pole of said diode D2 and said direct current transducer 6 mouths join, and the positive pole of said diode D3 is connected with the said output terminals A 10 of waking device 1 up; The positive pole of said diode D7 is connected to said device 1 output terminals A 14 of waking up; The negative pole of diode D7 is anodal through the light-emitting diode Dr that resistance R 1 is connected to said photoelectrical coupler U1; Be connected to resistance R 2 between the light-emitting diode Dr positive pole of said photoelectrical coupler U1 and the negative pole, said photoelectrical coupler U1 light-emitting diode Dr negative pole is connected to the negative pole of electronlmobil high voltage power storage battery; The photo-transistor Qr emitter of said photoelectrical coupler U1 is connected with the base stage of aerotron Q1; Be connected to load resistor R5 between the base stage of said aerotron Q1 and the emitter; The collecting electrode of the photo-transistor Qr of the collecting electrode of said aerotron Q1 and photoelectrical coupler U1 is connected to the input end of said break-make module; The collecting electrode of said aerotron Q1 is connected with the input end of said charge controller 4; Said photoelectrical coupler U1 input end and the complete electrical isolation of mouth, working temperature range is wide, makes said electronlmobil wake the strong anti-interference performance of formula prevention of electric shock device up.
In the present embodiment, the said device 1 that wakes up comprises drive control module, action module, enable module and accessory feed module 7; The input end A1 of said drive control module is connected to the contact ST of said key switch 2; The input end A2 of said drive control module is connected on the contact ACC of said key switch 2; The mouth of said drive control module is connected to the input end of said enable module, and the output terminals A 14 of said enable module is connected to the Enable Pin of said direct current transducer 6; First output terminals A 5 of said action module is connected to said enable module input end; Second output terminals A 11 of said action module is connected to the contact LOCK of said key switch 2; The input end A6 of said action module is connected to the first voltage output end V1 of said accessory feed module 7; The input end A7 of said enable module is connected to the positive pole of electronlmobil high voltage power storage battery divided battery En, and the positive input terminal A13 of said accessory feed module 7 is connected to the positive pole of electronlmobil high voltage power storage battery divided battery En; The negative input end A12 of said accessory feed module 7 is connected to the negative pole of electronlmobil high voltage power storage battery divided battery E1; The second voltage output end A10 of said accessory feed module 7 is connected to the positive pole of said diode D3; The GND of said accessory feed module 7 is connected with electric chassis publicly; The said device 1 that wakes up can start main power source by fast speed; Wake the power supply of formula prevention of electric shock device up for said electronlmobil by main power source, said accessory feed module 7 is used for converting the high potential of high voltage power storage battery divided battery En into first output voltage V 1 and second output voltage V 2, and first output voltage V 1 is greater than second output voltage V 2.
In the present embodiment, said drive control module comprises diode D8, diode D9, diode D10, resistance R 5, resistance R 6, resistance R 7, resistance R 8 and capacitor C 1; The positive pole of said diode D8 is connected to the contact ACC of said key switch; The positive pole of said diode D9 is connected to the contact ST of said key switch; The positive pole of said diode D8 is through resistance R 5 ground connection; Said diode D9 is through resistance R 6 ground connection, and said diode D8 and the parallel connection of diode D9 negative pole constitute or door, and said resistance R 5 is used for interference protection with resistance R 6; The negative pole of said diode D8 and diode D9 is connected to the positive pole of said diode D10 through resistance R 7, and said capacitor C 1 and resistance R 8 parallel connection backs one end are connected to the positive pole of said diode D10, said capacitor C 1 and resistance R 8 parallel connection back other end ground connection; Said resistance R 8 guarantees key switch 2 when gear shift much larger than resistance R 7, and what said direct current transducer 6 can be not frequent changes between work and dormancy; Said drive control module is used to receive the on-off signal of key switch 2, and, according to on-off signal output enable signal, change between the mode of operation of control electronlmobil high voltage power storage battery and the dormant state.
In the present embodiment, said action module comprises resistance R 10, resistance R 11, diode D12 and aerotron Q1; One end of said resistance R 10 is connected to the positive pole of said diode D12; The negative pole of said diode D12 is connected to the emitter of said aerotron Q1; The positive pole of said diode D12 is connected to the first voltage output end V1 of said accessory feed module; The other end of said resistance R 10 is connected to the contact LOCK of said key switch as mouth; And the other end of said resistance R 10 is connected to the base stage of said aerotron through resistance R 11, and the collecting electrode of said aerotron Q1 is as first output terminals A 5 of said action module; Said action module is discerned the on-off signal of said key switch 2, changes between the mode of operation of control electronlmobil high voltage power storage battery and the dormant state.
In the present embodiment, said enable module comprises resistance R 9, aerotron Q2, relay 8 and diode D11; One end of said resistance R 9 is as said enable module input end; The other end of said resistance R 9 is connected to the base stage of aerotron Q2; Said aerotron Q2 grounded emitter; The collecting electrode of said aerotron Q2 is connected to the input end of relay 8; Said diode D11 and said relay 8 parallelly connected flywheel diodes as said relay 8, the positive pole of said diode D11 is connected to the collecting electrode of said aerotron Q2, and the negative pole of said diode D11 is connected to the said output terminals A 10 of waking device 1 up; The input end A7 of said relay 8 is connected to the positive pole of said electronlmobil high voltage power storage battery divided battery E1, and the output terminals A 14 of said relay 8 is connected to the Enable Pin of said direct current transducer 6.
In the present embodiment; Said break-make module comprises at least two DC contactors 5, and the coils from parallel connection of coils of said DC contactor 5, said DC contactor 5 are provided with output contact B1 and contact B2; Each both positive and negative polarity that divides into groups of electronlmobil high voltage power storage battery is connected from beginning to end; Said each DC contactor 5 all is connected to sustained diode 1, is used to protect said DC contactor 5, and said break-make module divides into groups electronlmobil high voltage power storage battery to connect; Make every Battery pack voltage be the human safety voltage, the safety of protection operating personal.
In the present embodiment; Saidly wake the requirement that device 1 output terminals A 10 output voltage V 4 should satisfy said DC contactor 5 minimum up; And the said static received current that wakes device 1 up should be as far as possible little; Satisfy the requirement that said DC contactor 5 supply power in short-term, prevent saidly to wake the discharge overbalance of divided battery En that device 1 long-time power supply causes electronlmobil high voltage power storage battery and other divided batteries up and influence life-span of said divided battery En; The output voltage V 4 of the said output terminals A 10 of waking device 1 up is less than the output voltage V 5 of said direct current transducer 6; Said direct current transducer output voltage V 5 satisfies the on-load voltage requirement; When the output voltage V 5 of said direct current transducer 6 greater than said when waking device 1 output voltage V 4 up; Said diode D3 is added with reverse voltage and is ended; Wake device 1 output terminals A 10 up and stop power supply, then supplied power through diode D2 by direct current transducer 6, the said device 1 that wakes up can provide trigger voltage and each grouping of electronlmobil high voltage power storage battery is coupled together to said DC contactor 5;
In the present embodiment, said electronlmobil wakes formula prevention of electric shock device up and also comprises protection module, and said protection module comprises insulation tester 3, diode D4, resistance R 3, resistance R 4 and photoelectrical coupler U2; Said photoelectrical coupler U2 comprises light-emitting diode Ds and photo-transistor Qs; Said insulation tester 3 mouths are connected to the positive pole of diode D4; The positive pole of the light-emitting diode Ds of said photoelectrical coupler U2 is connected to the negative pole of said diode D4 through resistance R 3; Be connected to resistance R 4 between the positive pole of the light-emitting diode Ds of said photoelectrical coupler U2 and the negative pole; And the negative earth of the light-emitting diode Ds of said photoelectrical coupler U2; The collecting electrode of the photo-transistor Qs of said photoelectrical coupler U2 is connected to the light-emitting diode Dr positive pole of said photoelectrical coupler U1, and the emitter of the photo-transistor Qs of said photoelectrical coupler U2 is connected to the negative pole of electronlmobil high voltage power storage battery; When electronlmobil starts; Said insulation tester 3 detects electronlmobil high voltage power battery pack positive and negative electrode when the insulation resistance on electric chassis is departed from normal value; Said insulation tester 3 output control signals make photoelectrical coupler U2 turn to conducting by ending; Thereby make the input end grounding of said photoelectrical coupler U1, make said DC contactor 5 not adhesives of contact; In electric automobile during traveling, said insulation tester 3 detects electronlmobil high voltage power battery pack positive and negative electrode when the insulation resistance on electric chassis is departed from normal value, and said insulation detector 3 is carried out alarm earlier; Give certain reaction time of occupant; If at this moment, do not carry out the artificial electronlmobil high voltage power storage battery power supply that stops, said insulation tester 3 output control signals; And then make electronlmobil high voltage power storage battery divide into groups to break off, reach protection personnel's purpose.
In the present embodiment; When the contact LOCK of said key switch 2 was connected with contact ST or contact ACC, said input end A1 or the input end A2 that wakes the drive control module of device 1 up had the voltage input from the output terminals A 11 of waking device 1 action module up, and the capacitor C 1 of said drive control module begins charging; When said capacitor C 1 voltage satisfies said diode D8 conducting requirement; Diode D8 conducting, said is the aerotron Q3 conducting of ability module, said relay 8 adhesives; Said enable module output terminals A 14 has voltage V3 output; Be added on the Enable Pin and photoelectrical coupler U1 of said direct current transducer 6 photoelectrical coupler U1 conducting, and then aerotron Q1 conducting respectively; The said action module output terminals A 10 of waking device 1 up has voltage V4 output; The input that is added to said break-make module through diode D3 is disconnected; Said DC contactor 5 work make electronlmobil high voltage power storage battery divide into groups to connect, and said electronlmobil high voltage power storage battery is outwards exported high pressure; This moment, said direct current transducer 6 input ends had the voltage input; Said direct current transducer 6 is started working and is exported the voltage V5 greater than the voltage V4 of said action module second voltage output end A10 output, diode D3 reverse bias and by, said direct current transducer 6 through diode D2 to said DC contactor 5 power supplies; When said key switch 2 breaks off; Said input end A1 or the A2 that wakes the drive control module of device 1 up is input as low level; Capacitor C 1 is through resistance R 8 discharges, and along with the carrying out of discharge, diode D8 aerotron Q3 is broken off by the electric shock that conducting transfers cutoff relay 8 to; The said device 1 output enable signal that wakes up makes said direct current transducer 6 get into dormant state, and said DC contactor 5 also breaks off and makes the high voltage power storage battery of electronlmobil divide into groups to break off.
In the present embodiment, said DC contactor 5, direct current transducer 6, insulation tester 3 are prior art, repeat no more at this.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. an electronlmobil wakes formula prevention of electric shock device up, it is characterized in that: comprising:
The break-make module is used for electronlmobil high voltage power storage battery is divided into groups to connect and disconnection, is connected with electronlmobil high voltage power storage battery;
Start module, be used for the said break-make module action of start-up control, the input end of mouth and said break-make module joins;
Said startup module is provided with and is used for to starting module the device that wakes up of wake-up voltage being provided.
2. wake formula prevention of electric shock device up according to the said electronlmobil of claim 1, it is characterized in that: said startup module comprises key switch, direct current transducer, wakes device up, photoelectrical coupler U1, triode Q1, diode D2, diode D3, diode D5, resistance R 1, resistance R 2, load resistor R12, diode D7 and charge controller; Said photoelectrical coupler U1 comprises light-emitting diode Dr and photo-transistor Qr; The said output terminals A 14 of waking device up is joined with the Enable Pin of said direct current transducer, and the said input end A1 that wakes device up is connected to the contact ST of said key switch, wakes device input end A2 up and is connected to said key switch contact ACC; The positive input terminal D of said direct current transducer is connected to the positive pole of electronlmobil high voltage power storage battery, and said direct current transducer negative input end is connected to the negative pole of electronlmobil high voltage power storage battery, and the mouth of said direct current transducer and key switch contact LOCK join; Said key switch contact LOCK can join with contact ACC or contact ST; Said charge controller mouth is connected to the positive pole of diode D5; The negative pole parallel connection of said diode D5, diode D2 and diode D3 forms or door; The positive pole of said diode D2 and said direct current transducer mouth join, and the positive pole of said diode D3 and the said output terminals A 10 of waking device up are joined; The positive pole of said diode D7 is connected to the said device enable signal output terminals A 14 of waking up, and the negative pole of diode D7 is connected to the positive pole of the light-emitting diode Dr of photoelectrical coupler U1 through resistance R 1; Be connected to resistance R 2 between the positive pole of the light-emitting diode Dr of said photoelectrical coupler U1 and the negative pole; The light-emitting diode Dr negative pole of said photoelectrical coupler U1 is connected to the negative pole of electronlmobil high voltage power storage battery; The emitter of the photo-transistor Qr of said photoelectrical coupler U1 is connected with the base stage of aerotron Q1; Be connected to load resistor R12 between the base stage of said aerotron Q1 and the emitter; The collecting electrode of the photo-transistor of the collecting electrode of said aerotron Q1 and photoelectrical coupler U1 is connected to the break-make module, and the collecting electrode of said aerotron Q1 is connected with the input end of said charge controller.
3. wake formula prevention of electric shock device up according to the said electronlmobil of claim 2, it is characterized in that: the said device that wakes up comprises drive control module, action module, enable module and accessory feed module; The first input end A1 of said drive control module is connected to the contact ST of said key switch; The second input end A2 of said drive control module is connected on the contact ACC of said key switch; The mouth of said drive control module is connected to the input end A4 of said enable module, and the enable signal output terminals A 14 of said enable module is connected to the Enable Pin of said direct current transducer; The output terminals A 5 of said action module is connected to said enable module input end A4; The output terminals A 11 of said action module is connected to the contact LOCK of said key switch; The input end A6 of said action module is connected to the first voltage output end V1 of said accessory feed module; The input end A7 of said enable module is connected to the positive pole of electronlmobil high voltage power storage battery divided battery En; The positive input terminal A13 of said accessory feed module is connected to the positive pole of electronlmobil high voltage power storage battery divided battery En; The negative input end A12 of said accessory feed module is connected to the negative pole of electronlmobil high voltage power storage battery divided battery E1, and the second voltage output end A10 of said accessory feed module is connected to the positive pole of said diode D3, and the GND of said accessory feed module is connected with electric chassis publicly.
4. wake formula prevention of electric shock device up according to the said electronlmobil of claim 3, it is characterized in that: said drive control module comprises diode D8, diode D9, diode D10, resistance R 5, resistance R 6, resistance R 7, resistance R 8 and capacitor C 1; The positive pole of said diode D6 is connected to the contact ACC of said key switch as input end A1; The positive pole of said diode D7 is connected to the contact ST of said key switch as input end A2; The positive pole of said diode D8 is through resistance R 5 ground connection, and said diode D9 is through resistance R 6 ground connection, and said diode D6 and the parallel connection of diode D7 negative pole constitute or door; The negative pole of said diode D8 and diode D9 is connected to the positive pole of said diode D10 through resistance R 7; Said capacitor C 1 and resistance R 8 parallel connection backs one end are connected to the positive pole of said diode D10, other end ground connection after said capacitor C 1 and resistance R 8 parallel connections, and said resistance R 8 is much larger than resistance R 7.
5. wake formula prevention of electric shock device up according to the said electronlmobil of claim 3, it is characterized in that: said action module comprises resistance R 10, resistance R 11, diode D10 and aerotron Q2; One end of said resistance R 10 is connected to the positive pole of said diode D12; The negative pole of said diode D12 is connected to the emitter of said aerotron Q2; The positive pole of said diode D12 is connected to the first voltage output end V1 of said accessory feed module; The other end of said resistance R 10 is connected to the contact LOCK of said key switch as output terminals A 11; And the other end of resistance R 10 is connected to the base stage of said aerotron through resistance R 11, and the collecting electrode of said aerotron Q2 is as the output terminals A 5 of said action module.
6. wake formula prevention of electric shock device up according to the said electronlmobil of claim 5, it is characterized in that: said enable module comprises resistance R 9, aerotron Q3, relay and diode D11; One end of said resistance R 9 is as said enable module input end; The other end of said resistance R 9 is connected to the base stage of aerotron Q3; Said aerotron Q3 grounded emitter; The collecting electrode of said aerotron Q3 is connected to the input end of relay; The parallelly connected flywheel diode of said diode D11 as said relay with said relay, the positive pole of said diode D11 is connected to the collecting electrode of said aerotron Q3, and the negative pole of said diode D11 is connected to and wakes device output terminals A 10 up; The input end A7 of said relay J 1 is connected to the positive pole of said electronlmobil high voltage power storage battery divided battery E1, and the output terminals A 14 of said relay is connected to the Enable Pin of said direct current transducer.
7. wake formula prevention of electric shock device up according to the said electronlmobil of claim 6; It is characterized in that: saidly wake the requirement that device output terminals A 10 output voltage V 4 should satisfy said DC contactor minimum up; And satisfy the requirement that said DC contactor is supplied power in short-term; The said output voltage V 5 of waking the output voltage V 4 of device output terminals A 10 less than said direct current transducer up, said direct current transducer output voltage V 5 satisfies the on-load voltage requirement.
8. wake formula prevention of electric shock device up according to the said electronlmobil of claim 7; It is characterized in that: said break-make module comprises at least two DC contactors; The coils from parallel connection of coils of said DC contactor; And said DC contactor is provided with output contact B1 and contact B2, and said each DC contactor all is connected to sustained diode 1.
9. said according to Claim 8 electronlmobil wakes formula prevention of electric shock device up; It is characterized in that: said electronlmobil wakes formula prevention of electric shock device up and also comprises protection module, and said protection module comprises insulation tester, diode D4, resistance R 3, resistance R 4 and photoelectrical coupler U2; Said photoelectrical coupler U2 comprises light-emitting diode Ds and photo-transistor Qs; Said insulation tester mouth is connected to the positive pole of diode D4; The positive pole of the light-emitting diode Ds of said photoelectrical coupler U2 is connected to the negative pole of said diode D4 through resistance R 3; Be connected to resistance R 4 between the positive pole of the light-emitting diode Ds of said photoelectrical coupler U2 and the negative pole; And the negative earth of the light-emitting diode Ds of said photoelectrical coupler U2; The collecting electrode of the photo-transistor Qs of said photoelectrical coupler U2 is connected to the positive pole of the light-emitting diode Dr of said photoelectrical coupler U1, and the emitter of the photo-transistor Qs of said photoelectrical coupler U2 is connected to the negative pole of electronlmobil high voltage power storage battery.
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Application publication date: 20120725 Assignee: Chongqing Ruichi Auto Industrial Co., Ltd. Assignor: Chongqing Xiaokang Industry Group Co., Ltd. Contract record no.: 2012500000092 Denomination of invention: Awakening electric shock prevention device for electric vehicle License type: Exclusive License Record date: 20121203 |
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