CN205853913U - A kind of charge protection device of electric automobile - Google Patents

A kind of charge protection device of electric automobile Download PDF

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Publication number
CN205853913U
CN205853913U CN201620797912.0U CN201620797912U CN205853913U CN 205853913 U CN205853913 U CN 205853913U CN 201620797912 U CN201620797912 U CN 201620797912U CN 205853913 U CN205853913 U CN 205853913U
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CN
China
Prior art keywords
mechanical lock
cam
tappet
charging
charging gun
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Application number
CN201620797912.0U
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Chinese (zh)
Inventor
吴杰
徐学林
于秀敏
王野
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江苏奥功电能科技有限公司
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Priority to CN201620797912.0U priority Critical patent/CN205853913U/en
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Publication of CN205853913U publication Critical patent/CN205853913U/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

This utility model provides charge protection device and the internal control system thereof of a kind of electric automobile, it includes mechanical lock, mechanical lock rotary shaft, cam rotating shaft, elliptic cam, plane tappet, return spring, vehicle socket with mechanical lock interlocking, charging gun and step-by-step motor composition, described mechanical lock is fixedly installed on charging gun by mechanical lock rotary shaft, it is provided with outer toroid on described vehicle socket, described plane tappet contacts through outer toroid with mechanical lock, it is provided with return spring between described plane tappet and outer toroid, described plane tappet connects elliptic cam, described elliptic cam rotates with cam rotating shaft;This utility model achieves the function playing protection to electric motor car when charging pile charges; solve remaining sum in charging gun is used by others in charging process, user is eager to stop the card that charging may cause to waste or the problem that is used by others; and locking system the most all need not energy and maintains, and decreases energy loss.

Description

A kind of charge protection device of electric automobile
Technical field
This utility model relates to charging protection device for electric vehicle, specifically, relates to the charge protection of a kind of electric automobile Device.
Background technology
In the environment of advocating low-carbon (LC) life environmental protection at present, the development of electric automobile reaches its maturity, electronic for ensureing Automobile properly functioning, needs to charge electric automobile fast and effectively.Charging pile is electric motorcar charging station, and charging pile can It is divided into direct-current charging post, alternating-current charging pile and AC/DC integrated charge pile.One alternating-current charging pile can be one or many simultaneously Vehicle charging, alternating-current charging pile never electricity is 6 to 8 hours to the full charging interval.Charging pile can realize timing, meter electricity Degree, meter the amount of money charging, can be as citizen's power purchase terminal.
Due to the general unmanned of charging pile, creating a series of problem: such as, charging pile was charging to electric motor car Cheng Zhong, owing to unmanned and charging interval are longer, car owner seldom waits near charging pile, at this moment it is possible to there is charging The problem such as rifle extracted by others, usurp;When car owner be in a hurry to stop charging time, usually there will be extract charging gun and forget brush Card, causes the waste of card interior remaining sum or the problem such as is used by others.
For ensureing safety and the rights and interests of user of charging process, vehicle socket typically should install charge protection device, Charging gun could have to unlock under controller of vehicle authorization conditions.But vehicle socket the most on the market does not mostly have Locking, some vehicle socket electricity consumption magnetic key operated locks, after charging gun charges to electric motor car, electromagnetic force lock automatic locking, but create One problem, electromagnetic force lock needs are electrified for a long time, the most energy-conservation, with the many a kind of losses of electric device.Therefore, it is necessary to fill existing Electric installation improves, and realizes AutoLock feature in electric motor car charging process, solves charging gun in charging process and is made by other people It is eager to stop remaining sum waste in the card that charging may cause or the problem being used by others with, user, improves charging process Security performance, the rights and interests of protection user.
Utility model content
In order to overcome above-mentioned technical problem, the charge protection device of a kind of electric automobile described in the utility model.
To achieve these goals, the charge protection device of a kind of electric automobile described in the utility model, it includes machinery Lock (1), mechanical lock rotary shaft (2), cam rotating shaft (3), elliptic cam (4), plane tappet (5), return spring (6) and machine The tool lock vehicle socket (7) of (1) interlocking, charging gun (8) and step-by-step motor composition, described mechanical lock (1) passes through mechanical lock Rotary shaft (2) is fixedly installed on charging gun (8), and described vehicle socket (7) is provided with outer toroid (71), described plane tappet (5) contact with mechanical lock (1) through outer toroid (71), between described plane tappet (5) and outer toroid (71), be provided with return bullet Spring (6), described plane tappet (5) connects has elliptic cam (4), described elliptic cam (4) to rotate with cam rotating shaft (3); Wherein, described elliptic cam (4) is driven by step-by-step motor.
The charge protection device of a kind of electric automobile described in the utility model, described plane tappet (5) includes tappet (51) With disk (52);Described plane tappet (5) is locked on (1) by tappet (51) through outer toroid (71) solid mechanical, described disk (52) radius is more than the radius of return spring (6);Return spring seat ring (61) it is socketed with on described disk (52);Described return bullet Spring (6) one end is fixed on return spring seat ring (61), and the other end is fixed on the left outside wall of vehicle socket (7);Described return The internal diameter of spring (6) is more than tappet 5 radius of plane tappet;Return spring (6) is constantly in compressive state in the course of the work, And the maximum compressibility of return spring (6) is greater than the maximum lift of plane tappet (5).
The charge protection device of a kind of electric automobile described in the utility model, described elliptic cam (4) is with cam rotating shaft (3) rotating centered by, described elliptic cam (4) is symmetric figure, in ellipticity, and is provided with cam semi-minor axis (10) With cam major semiaxis (9);When described plane tappet (5) contacts with cam major semiaxis (9), described plane tappet (5) stretches out car Length locking mechanical lock (1) of socket (7);When described plane tappet (5) contacts with cam semi-minor axis (10), described plane Tappet (5) bounces back in vehicle socket (7), and described mechanical lock (1) can manual unlocking.
The charge protection device of a kind of electric automobile described in the utility model, described charging gun (8) includes that single flow is charged Rifle and AC system charging gun;In single flow charging gun, limited by charging gun (8) space, mechanical lock (1) is placed in charging gun (8) outward;In AC system charging gun, mechanical lock (1) is placed in charging gun (8), simultaneously at the close handle one of mechanical lock (1) Side is provided with switch valve so that the opening and closing that mechanical lock (1) can be manual when free state.
The charge protection device of a kind of electric automobile described in the utility model, by above workflow, charging pile When charging to electric motor car, charging gun cannot be extracted, and when user needs to stop charging, needs first to carry out logging in confirmation, Charging gun just can be extracted afterwards;This utility model achieves the function playing protection to electric motor car when charging pile charges, and solves In the card that stopping charging that charging gun is used by others in charging process, user is eager may cause, remaining sum is wasted or by other people The problem used, and locking system the most all need not energy and maintains, and decreases energy loss, improves and fill The safety of electric process, protects the rights and interests of user.
Accompanying drawing explanation
Fig. 1 is that the charge protection device of a kind of electric automobile of the present utility model vertical profile structure when being in lockup state is shown Meaning sketch;
Fig. 2 is that the charge protection device of a kind of electric automobile of the present utility model cross-sectional structure when being in lockup state is shown Meaning sketch;
Fig. 3 is that the charge protection device of a kind of electric automobile of the present utility model vertical profile structure when being in free state is shown Meaning sketch;
Fig. 4 is that the charge protection device of a kind of electric automobile of the present utility model cross-sectional structure when being in free state is shown Meaning sketch;
Fig. 5 is the structural representation of the vehicle socket of the charge protection device of a kind of electric automobile of the present utility model Figure;
Fig. 6 is the sectional structure schematic diagram in the A-A direction of Fig. 5;
Fig. 7 is that the charge protection of the internal control system of the charge protection device of electric automobile of the present utility model controls stream Cheng Tu.
Detailed description of the invention
Below with reference to the accompanying drawings embodiment of the present utility model is described.In an accompanying drawing of the present utility model or a kind of enforcement Element and feature described in mode can be with the element shown in one or more other accompanying drawings or embodiment and features Combine.It should be noted that, for purposes of clarity, accompanying drawing and explanation eliminate unrelated with this utility model, this area is general Lead to parts known to the skilled person or the expression of process and description.
Below in conjunction with the accompanying drawings this utility model is described further.
As shown in figs 1 to 6, the charge protection device of a kind of electric automobile described in the utility model, it include mechanical lock 1, The vehicle of mechanical lock rotary shaft 2, cam rotating shaft 3, elliptic cam 4, plane tappet 5, return spring 6 and mechanical lock 1 interlocking is inserted Seat 7, charging gun 8 and step-by-step motor composition, described mechanical lock 1 is fixedly installed on charging gun 8 by mechanical lock rotary shaft 2, Being provided with outer toroid 71 on described vehicle socket 7, described plane tappet 5 contacts through outer toroid 71 with mechanical lock 1, described plane Being provided with return spring 6 between tappet 5 and outer toroid 71, described plane tappet 5 connects elliptic cam 4, described elliptic cam 4 Rotate with cam rotating shaft 3;Wherein, described elliptic cam 4 is driven by step-by-step motor;Wherein, described plane tappet 5 wraps Include tappet 51 and disk 52;Described plane tappet 5 is locked on 1 by tappet 51 through outer toroid 71 solid mechanical, described disk 52 Radius is more than the radius of return spring 6;It is socketed with return spring seat ring 61 on described disk 52;Described return spring 6 one end is solid Being scheduled on return spring seat ring 61, the other end is fixed on the left outside wall of vehicle socket 7;The internal diameter of described return spring 6 is more than Tappet 5 radius of plane tappet;Return spring 6 is constantly in compressive state, and the maximum of return spring 6 in the course of the work Decrement is greater than the maximum lift of plane tappet 5.
The charge protection device of a kind of electric automobile described in the utility model, described elliptic cam 4 with cam rotating shaft 3 is Central rotation, described elliptic cam 4 is symmetric figure, in ellipticity, and is provided with cam semi-minor axis 10 and cam is long Semiaxis 9;When described plane tappet 5 contacts with cam major semiaxis 9, described plane tappet 5 stretches out the length locking of vehicle socket 7 Mechanical lock 1;When described plane tappet 5 contacts with cam semi-minor axis 10, described plane tappet 5 bounces back in vehicle socket 7, institute Stating mechanical lock 1 can manual unlocking;Wherein, described charging gun 8 includes single flow charging gun and AC system charging gun;Fill in single flow In electricity rifle, limited by charging gun 8 space, mechanical lock 1 is placed in outside charging gun 8;In AC system charging gun, mechanical lock 1 is put In charging gun 8, the close handle side of mechanical lock 1 is provided with switch valve so that mechanical lock 1 is energy when free state simultaneously Enough manual opening and closing.
From Fig. 1 and Fig. 2, when mechanical lock 1 is in lockup state, plane tappet 5 is in the position of cam major semiaxis 9, When controller of vehicle sends pulse signal to step-by-step motor, step-by-step motor drives elliptic cam 4 half-twist, Making plane tappet 5 move to the position of cam semi-minor axis 10 from the position of cam major semiaxis 9, plane tappet 5 rebounds, mechanical lock 1 affranchises state, can manual unlocking, see Fig. 3 and Fig. 4.
From Fig. 3 and Fig. 4, when mechanical lock 1 is in free state, plane tappet 5 is in the position of cam semi-minor axis 10, When controller of vehicle sends pulse signal to step-by-step motor, step-by-step motor drives elliptic cam 4 half-twist, Making plane tappet 5 move to the position of cam major semiaxis 9 from the position of cam semi-minor axis 10, plane tappet 5 rises and blocks machine Tool lock 1, mechanical lock 1 is in lockup state, can not manual unlocking, see Fig. 1 and Fig. 2.
The charge protection device of the electric automobile in this utility model is by controller of vehicle control, and locking system is in certainly By or during lockup state, its special version determines elliptic cam 4 and cannot rotate freely, it is ensured that mechanical lock 1 State maintains, and shown mechanical lock 1 is under every kind of state and all need not energy maintenance;When the state of mechanical lock 1 needs to become During change, controller of vehicle send pulse signal, trigger elliptic cam 4 and rotate, the transformation of completion status, specific works mode As follows:
1), when mechanical lock 1 is in lockup state, plane tappet 5 is in the position of cam major semiaxis 9, works as controller of vehicle When sending pulse signal to step-by-step motor, step-by-step motor drive elliptic cam 4 half-twist so that plane tappet 5 from The position of cam major semiaxis 9 moves to the position of cam semi-minor axis 10, and plane tappet 5 rebounds, and mechanical lock 1 affranchises state, Can manual unlocking;
2) when mechanical lock 1 is in free state, plane tappet 5 is in the position of cam semi-minor axis 10, when wagon control fills Putting when sending pulse signal to step-by-step motor, step-by-step motor drives elliptic cam 4 half-twist so that plane tappet 5 Move to the position of cam major semiaxis 9 from the position of cam semi-minor axis 10, plane tappet 5 rises and blocks mechanical lock 1, mechanical lock 1 It is in lockup state, can not manual unlocking.
As shown in Figure 5 and Figure 6, it is vehicle socket schematic diagram.With reference to GB, " electric car conduction charging connects Device third portion: direct-current charging interface " and " electric car conduction chargeable connection device part 2: AC charging connects Mouthful ", this schematic diagram briefly understands structure and the position of machinery fore shaft of vehicle socket, and mechanical lock 1 is by machinery fore shaft Stuck, the movement of constraint charging gun 8, mechanical lock 1 requires have certain rigidity and intensity, it is ensured that be difficult in the course of the work send out Raw deformation, and there is antiwear characteristic.This schematic diagram is not drawn into charging plug contact specifically arrange, because connecing for AC charging Mouth and direct-current charging interface, the positions and dimensions of internal charging plug contact is the most different, needs to enter according to the kind of charging pile Row selects and arranges.
Fig. 7 is the charge protection control flow chart of electric automobile.Locking system in this utility model is arranged on vehicle and inserts Seat side, during charging pile charges to electric motor car, concrete workflow is as follows:
A) user logs in charging pile and uses system, manually extracts charging gun and is inserted in vehicle socket, enters electric motor car Row charging;
B) after user confirms charging, the detection charging of charging pile control system is the most ready, ready when confirming Time, charging pile starts to charge up, and controller of vehicle sends pulse signal so that mechanical lock 1 is become locking from free state State, thus ensure that in charging process, charging gun cannot be extracted.
C) when reaching the end-of-charge condition that user sets, controller of vehicle starts cycle transmission " in charging pile Only charge message ", and control charging pile stopping charging, controller of vehicle sends pulse signal simultaneously, controls mechanical lock 1 by locking Only state becomes free state, manually extracts charging gun and completes charging.
D) when the end-of-charge condition set before charging process is not up to user charging, but user needs to stop During charging, system prompt user logs in charging pile and uses system, after confirming to log in and implement stopping charging instruction, and charging Stake control system controls electric automobile and stops charging, and controller of vehicle sends pulse signal, controls mechanical lock 1 by lockup state Become free state, manually extract charging gun and complete charging;Midway is needed to stop under charge condition at user, if user Using system validation without logging into charging pile, mechanical lock 1 is in lockup state, and charging gun cannot be extracted.
E), after user stops charging, charging gun is extracted and is put back in stake by system voice prompting, and system enters standby mould Formula, waits the use of next time.
By above workflow, charging pile charging gun when charging to electric motor car cannot be extracted, and is using When person needs to stop charging, needing first to carry out logging in confirmation, charging gun just can be extracted afterwards.This utility model achieves charging pile Play the function of protection when charging to electric motor car, solve that charging gun is used by others in charging process, user is eager to stop What only charging may cause blocks interior remaining sum waste or the problem being used by others, and locking system is the most all not required to Want energy to maintain, decrease energy loss, improve the safety of charging process, protect the rights and interests of user.
Although this utility model and advantage thereof have been described in detail it should be appreciated that without departing from by appended right Various change can be carried out in the case of requiring the spirit and scope of the present utility model limited, substitute and convert.And, this The scope of application is not limited only to the specific embodiment of the process described by description, equipment, means, method and steps.This area In those of ordinary skill will readily appreciate that from disclosure of the present utility model, according to this utility model can use execution with Function that corresponding embodiment described herein is essentially identical or obtain the result essentially identical with it, existing and future will quilt Process, equipment, means, method or the step of exploitation.Therefore, appended claim is directed in the range of them including this The process of sample, equipment, means, method or step.

Claims (4)

1. the charge protection device of an electric automobile, it is characterised in that: it include mechanical lock (1), mechanical lock rotary shaft (2), Cam rotating shaft (3), elliptic cam (4), plane tappet (5), return spring (6) and the vehicle socket of mechanical lock (1) interlocking (7), charging gun (8) and step-by-step motor composition, described mechanical lock (1) is fixedly installed on is filled by mechanical lock rotary shaft (2) Electricity rifle (8), described vehicle socket (7) is provided with outer toroid (71), and described plane tappet (5) is through outer toroid (71) and machinery Lock (1) contact, is provided with return spring (6) between described plane tappet (5) and outer toroid (71), described plane tappet (5) is even Being connected to elliptic cam (4), described elliptic cam (4) rotates with cam rotating shaft (3);Wherein, described elliptic cam (4) is by step Enter formula motor-driven.
The charge protection device of a kind of electric automobile the most according to claim 1, it is characterised in that: described plane tappet (5) tappet (51) and disk (52) are included;Described plane tappet (5) is locked through outer toroid (71) solid mechanical by tappet (51) (1), on, described disk (52) radius is more than the radius of return spring (6);Described disk is socketed with return spring seat ring on (52) (61);Described return spring (6) one end is fixed on return spring seat ring (61), and the other end is fixed on a left side for vehicle socket (7) On outer wall;The internal diameter of described return spring (6) is more than tappet 5 radius of plane tappet;Return spring (6) in the course of the work one Directly it is in compressive state, and the maximum compressibility of return spring (6) is greater than the maximum lift of plane tappet (5).
The charge protection device of a kind of electric automobile the most according to claim 2, it is characterised in that: described elliptic cam (4) rotating centered by cam rotating shaft (3), described elliptic cam (4) is symmetric figure, in ellipticity, and arranges on it There are cam semi-minor axis (10) and cam major semiaxis (9);When described plane tappet (5) contacts with cam major semiaxis (9), described flat Face tappet (5) stretches out length locking mechanical lock (1) of vehicle socket (7);When described plane tappet (5) and cam semi-minor axis (10) During contact, described plane tappet (5) bounces back in vehicle socket (7), and described mechanical lock (1) can manual unlocking.
The charge protection device of a kind of electric automobile the most according to claim 1, it is characterised in that: described charging gun (8) Including single flow charging gun and AC system charging gun;In single flow charging gun, limited, by mechanical lock by charging gun (8) space (1) charging gun (8) it is placed in outward;In AC system charging gun, mechanical lock (1) is placed in charging gun (8), simultaneously at mechanical lock (1) close handle side is provided with switch valve so that the opening and closing that mechanical lock (1) can be manual when free state.
CN201620797912.0U 2016-07-27 2016-07-27 A kind of charge protection device of electric automobile CN205853913U (en)

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CN201620797912.0U CN205853913U (en) 2016-07-27 2016-07-27 A kind of charge protection device of electric automobile

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108608882A (en) * 2018-05-07 2018-10-02 芜湖博创新能源科技有限公司 A kind of electric energy vehicle with automatic protection functions when charging
CN108973749A (en) * 2018-08-08 2018-12-11 合肥市神雕起重机械有限公司 A kind of intelligent garage charging pile

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108608882A (en) * 2018-05-07 2018-10-02 芜湖博创新能源科技有限公司 A kind of electric energy vehicle with automatic protection functions when charging
CN108608882B (en) * 2018-05-07 2020-09-25 江苏卓燃工程咨询有限公司 Electric energy automobile with automatic protection function during charging
CN108973749A (en) * 2018-08-08 2018-12-11 合肥市神雕起重机械有限公司 A kind of intelligent garage charging pile

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