CN210062686U - Two-way discernment system of preventing striking sparks for electric motor car - Google Patents

Two-way discernment system of preventing striking sparks for electric motor car Download PDF

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Publication number
CN210062686U
CN210062686U CN201920860415.4U CN201920860415U CN210062686U CN 210062686 U CN210062686 U CN 210062686U CN 201920860415 U CN201920860415 U CN 201920860415U CN 210062686 U CN210062686 U CN 210062686U
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China
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charging
discharging
socket
output end
socket interface
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CN201920860415.4U
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Chinese (zh)
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倪捷
傅国平
羊淑华
王宇峰
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BOE Technology Group Co Ltd
Zhejiang Luyuan Electric Vehicle Co Ltd
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BOE Technology Group Co Ltd
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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

The utility model discloses a system of striking sparks is prevented with two-way discernment to electric motor car, including battery, positive power transmission line, negative pole power transmission line, the socket interface that charges, the socket interface that discharges, the socket subassembly that charges, the socket subassembly that discharges, BMS protection device are last to be provided with charge control signal line, discharge control signal line, BMS protection device passes through charge control signal line and the socket interface connection that charges, and BMS protection device passes through discharge control signal line and the socket interface connection that discharges. The utility model discloses the phenomenon of striking sparks can not appear when using, has improved the life of the metal shrapnel of power plug sheetmetal and socket greatly, has realized two-way discernment's function simultaneously, and the effectual current lithium battery charger of having avoided is used with lead-acid charging ware thoughtlessly, and lithium electric controller and lead-acid controller are used thoughtlessly, and thoughtlessly use and the potential safety hazard that leads to between the various model batteries of different producers, has improved user's use and has experienced, accords with modern society's needs.

Description

Two-way discernment system of preventing striking sparks for electric motor car
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a bidirectional identification anti-ignition system for an electric vehicle.
Background
The existing electric vehicle charger is in the charging process, when a power plug is inserted into the electric vehicle charger, and a switching power supply is in the capacitor filtering process after input rectification, the instantaneous current caused by the charging of an electrolytic capacitor of the filtering is very large, and the instantaneous current changes very quickly when an equipment plug is inserted, so that the instantaneous high voltage is caused to appear, and the phenomenon of sparking caused by air breakdown and discharge is caused. Simultaneously, market is not enough to lithium electricity security recognition, there is lithium cell charger and lead-acid charging ware to use in mixture, lithium electricity controller and lead-acid charging ware are used in mixture, and use in mixture between the various model batteries of different producers, not only lead to the potential safety hazard easily, the use that has seriously reduced the user is experienced, moreover the metal shrapnel of power plug sheetmetal and socket produces the vestige of striking sparks easily after striking sparks, the life of the metal shrapnel of power plug sheetmetal and socket has been shortened greatly, there is certain limitation.
Disclosure of Invention
The utility model discloses lead to the potential safety hazard easily to existence among the prior art, seriously reduced user's use experience, the easy vestige of striking sparks that produces after the metal shrapnel of power plug sheetmetal and socket is struck sparks moreover has shortened the life of the metal shrapnel of power plug sheetmetal and socket greatly, has defects such as certain limitation, provides a new electric motor car with the system of preventing striking sparks of two-way discernment.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a bidirectional recognition ignition-proof system for an electric vehicle comprises a battery, a positive power transmission line, a negative power transmission line, a charging socket interface, a discharging socket interface, a charging socket assembly, a discharging socket assembly and a BMS protection device, wherein the battery is respectively and electrically connected with the charging socket interface and the discharging socket interface through the positive power transmission line, one end of the BMS protection device is electrically connected with the battery through the negative power transmission line, the other end of the BMS protection device is respectively and electrically connected with the charging socket interface and the discharging socket interface, the charging socket interface is matched with the charging socket assembly, the discharging socket interface is matched with the discharging socket assembly, a charging control signal line and a discharging control signal line are arranged on the BMS protection device, the BMS protection device is connected with the charging socket interface through the charging control signal line, the BMS protection device is connected with the discharging socket interface through the discharging control signal line.
The charging control signal line is connected with the charging socket assembly through the positive power transmission line and the negative power transmission line, the charging socket assembly is matched with the charging socket assembly through the charging socket interface to form a charging loop, the charging function is achieved when the charging control signal line is connected smoothly, and in the process, the charging socket assembly detects whether the battery is matched or not through detecting the voltage of the charging control signal line, so that the purpose of bidirectional identification is achieved. On the other hand, the battery is connected with the discharging socket interface through the positive power transmission line and the negative power transmission line, the discharging socket interface is matched with the discharging socket assembly to form a discharging loop, when the discharging control signal line is smoothly connected, the discharging function is achieved, in the process, the discharging socket assembly detects whether the battery is matched or not through detecting the voltage of the discharging control signal line, and therefore the purpose of bidirectional identification is achieved.
The utility model discloses the phenomenon of striking sparks can not appear when using, has improved the life of the metal shrapnel of power plug sheetmetal and socket greatly, has realized two-way discernment's function simultaneously, and the effectual current lithium battery charger of having avoided is used with lead-acid charging ware thoughtlessly, and lithium electric controller and lead-acid controller are used thoughtlessly, and thoughtlessly use and the potential safety hazard that leads to between the various model batteries of different producers, has improved user's use and has experienced, accords with modern society's needs.
Preferably, the above bidirectional identification ignition-preventing system for the electric vehicle, the charging socket interface is provided with a charging positive output terminal, a charging negative output terminal, and a charging signal output terminal, and the lengths of the charging positive output terminal and the charging negative output terminal are greater than the length of the charging signal output terminal.
The length that to be greater than the signal output that charges is set to the length of the anodal output that will charge, the negative pole output that charges is in order to make the anodal output that charges, the electric connection of the negative pole output that charges take precedence over the signal connection of the signal output that charges, can't realize the function of charging before the control signal line intercommunication that charges to restrain the high voltage that appears instantaneously, thereby prevent to puncture the air and discharge and form the phenomenon of striking sparks, avoid appearing the potential safety hazard.
Preferably, in the above bidirectional identification ignition-proof system for an electric vehicle, the discharge socket interface is provided with a discharge positive output terminal, a discharge negative output terminal, and a discharge signal output terminal, and the lengths of the discharge positive output terminal and the discharge negative output terminal are greater than the length of the discharge signal output terminal.
The length that will discharge the positive output end, discharge the negative output end sets to the length that is greater than the signal output that discharges is in order to make the electric connection of discharging the positive output end, discharging the negative output be prior to the signal connection of the signal output that discharges, can't realize the function of discharging before the control signal line intercommunication that discharges to restrain the high voltage that appears instantaneously, thereby prevent to puncture the air and discharge and form the phenomenon of striking sparks, avoid appearing the potential safety hazard.
Preferably, in the above bidirectional identification ignition prevention system for an electric vehicle, the discharge positive electrode output terminal is electrically connected to the charge positive electrode output terminal.
The discharge positive output end and the charge positive output end are electrically connected so that the circuit arrangement is more reasonable and meets the requirement of modern production.
Preferably, in the bidirectional identification ignition prevention system for an electric vehicle, the discharge socket assembly includes a controller and a discharge socket, and the controller is electrically connected to the discharge socket.
Be provided with the controller for with the socket electricity that discharges is connected, the controller detects whether the battery matches through the voltage of judging on the control signal line that discharges to realize two-way discernment's purpose, prevent that the condition that lithium electric controller and lead acid controller used in mixture from appearing, the effectual safe in utilization who guarantees the product has improved user's use and has experienced.
Preferably, in the bidirectional identification anti-ignition system for an electric vehicle, the discharge socket is provided with a discharge positive input terminal, a discharge negative input terminal, and a discharge signal input terminal, and the controller is connected to the discharge positive input terminal, the discharge negative input terminal, and the discharge signal input terminal, respectively.
The discharge socket is provided with a discharge positive input end, a discharge negative input end and a discharge signal input end which are respectively matched with a discharge positive output end, a discharge negative output end and a discharge signal output end arranged on a discharge socket interface to realize the discharge function, and the controller is respectively connected with the discharge positive input end, the discharge negative input end and the discharge signal input end to judge the voltage on the discharge control signal line so as to control the communication of the discharge control signal line and realize the purpose of bidirectional identification.
Preferably, the bidirectional identification anti-ignition system for the electric vehicle comprises a charger and a charging socket, wherein the charger is electrically connected with the charging socket.
The charger is arranged to be electrically connected with the charging socket, and the charger detects whether the battery is matched or not by judging the voltage on the charging control signal line, so that the purpose of bidirectional identification is realized, the condition that the lithium battery charger and the lead-acid charger are used in a mixed mode is prevented, the use safety of the product is effectively guaranteed, and the use experience of a user is improved.
Preferably, the above bidirectional identification ignition-preventing system for the electric vehicle, the charging socket is provided with a charging positive input terminal, a charging negative input terminal, and a charging signal input terminal, and the charger is connected to the charging positive input terminal, the charging negative input terminal, and the charging signal input terminal, respectively.
The charging socket is provided with a charging positive input end, a charging negative input end and a charging signal input end which are respectively matched with a charging positive output end, a charging negative output end and a charging signal output end arranged on the charging socket interface to realize the purpose of charging, and the charger is respectively connected with the charging positive input end, the charging negative input end and the charging signal input end to judge the voltage on the charging control signal line so as to control the communication of the charging control signal line and realize the purpose of bidirectional identification.
Drawings
Fig. 1 is a schematic circuit structure diagram of a bidirectional identification anti-ignition system for an electric vehicle according to the present invention;
fig. 2 is a schematic structural view of the discharge socket interface of the present invention when it is engaged with a discharge socket;
fig. 3 is a schematic structural view of the charging socket interface of the present invention when it is engaged with the charging socket;
fig. 4 is a schematic structural diagram of the discharging socket interface and the charging socket interface of the present invention.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings 1-4 and the detailed description, which are not intended to limit the invention:
example 1
A bidirectional recognition ignition-proof system for an electric vehicle comprises a battery 1, a positive power transmission line 2, a negative power transmission line 10, a charging socket interface 7, a discharging socket interface 4, a charging socket assembly 6, a discharging socket assembly 5 and a BMS protection device 9, wherein the battery 1 is electrically connected with the charging socket interface 7 and the discharging socket interface 4 through the positive power transmission line 2 respectively, one end of the BMS protection device 9 is electrically connected with the battery 1 through the negative power transmission line 10, the other end of the BMS protection device 9 is electrically connected with the charging socket interface 7 and the discharging socket interface 4 respectively, the charging socket interface 7 is matched with the charging socket assembly 6, the discharging socket interface 4 is matched with the discharging socket assembly 5, the BMS protection device 9 is provided with a charging control signal line 8 and a discharging control signal line 3, the BMS protection device 9 is connected with the charging socket interface 7 through the charging control signal line 8, the BMS protection device 9 is connected to the discharge socket interface 4 through the discharge control signal line 3.
During the use, as shown in fig. 1, at first, battery 1 is connected with charging socket interface 7 through positive power transmission line 2, negative power transmission line 10 to form the charging circuit through charging socket interface 7 and charging socket subassembly 6 cooperation, and in this process, charging socket subassembly 6 itself judges whether battery 1 matches with the product through detecting the voltage on the control signal line 8 that charges, can only realize the work of charging when control signal line 8 that charges connects smoothly. Similarly, when discharging is needed, firstly, the battery 1 is connected with the discharging socket interface 4 through the positive power transmission line 2 and the negative power transmission line 10, and the discharging socket interface 4 is matched with the discharging socket assembly 5 to form a discharging loop, in the process, the discharging socket assembly 5 judges whether the battery 1 is matched with a product or not by detecting the voltage on the discharging control signal line 3, and charging work can be realized only when the discharging control signal line 3 is smoothly connected.
Preferably, the charging socket interface 7 is provided with a charging positive output terminal 71, a charging negative output terminal 73, and a charging signal output terminal 72, and the lengths of the charging positive output terminal 71 and the charging negative output terminal 73 are greater than the length of the charging signal output terminal 72.
Preferably, the discharge socket interface 4 is provided with a discharge positive output terminal 41, a discharge negative output terminal 43, and a discharge signal output terminal 42, and the lengths of the discharge positive output terminal 41 and the discharge negative output terminal 43 are greater than the length of the discharge signal output terminal 42.
Preferably, the discharge positive electrode output terminal 41 is electrically connected to the charge positive electrode output terminal 71.
Preferably, the discharge socket assembly 5 includes a controller 52 and a discharge socket 51, and the controller 52 is electrically connected to the discharge socket 51.
Preferably, the discharge socket 51 is provided with a discharge positive input terminal 511, a discharge negative input terminal 513 and a discharge signal input terminal 512, and the controller 52 is connected to the discharge positive input terminal 511, the discharge negative input terminal 513 and the discharge signal input terminal 512, respectively.
Preferably, the charging socket assembly 6 includes a charger 62 and a charging socket 61, and the charger 62 is electrically connected to the charging socket 61.
Preferably, the charging socket 61 is provided with a charging positive input end 611, a charging negative input end 613, and a charging signal input end 612, and the charger 62 is connected to the charging positive input end 611, the charging negative input end 613, and the charging signal input end 612, respectively.
When the charging device is used, as shown in fig. 1, firstly, the battery 1 is connected with the charging socket interface 7 through the positive power transmission line 2 and the negative power transmission line 10, and then the charging positive output end 71, the charging negative output end 73 and the charging signal output end 72 are respectively matched with the charging positive input end 611, the charging negative input end 613 and the charging signal input end 612 to form a charging loop, because the lengths of the charging positive output end 71 and the charging negative output end 73 are greater than the length of the charging signal output end 72, the occurrence of an ignition phenomenon can be effectively avoided. Then, the charger 62 itself judges whether the battery 1 is matched with the product by detecting the voltage on the charging control signal line 8, and the charging work can be performed only when the charging control signal line 8 is smoothly connected.
Similarly, when discharging is required, the battery 1 is firstly connected with the discharging socket interface 4 through the positive power transmission line 2 and the negative power transmission line 10, and then the discharging positive output end 41, the discharging negative output end 43 and the discharging signal output end 42 are respectively matched with the discharging positive input end 511, the discharging negative input end 513 and the discharging signal input end 512 to form a discharging loop, because the lengths of the discharging positive output end 41 and the discharging negative output end 43 are greater than the length of the discharging signal output end 42, the sparking phenomenon can be effectively avoided. The controller 52 itself then judges whether the battery 1 is matched with the product by detecting the voltage on the discharge control signal line 3, and the charging operation can be carried out only when the discharge control signal line 3 is smoothly connected.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims (8)

1. A bidirectional identification ignition-proof system for an electric vehicle comprises a battery (1), a positive power transmission line (2), a negative power transmission line (10), a charging socket interface (7), a discharging socket interface (4), a charging socket component (6), a discharging socket component (5) and a BMS protection device (9), wherein the battery (1) is respectively and electrically connected with the charging socket interface (7) and the discharging socket interface (4) through the positive power transmission line (2), one end of the BMS protection device (9) is electrically connected with the battery (1) through the negative power transmission line (10), the other end of the BMS protection device (9) is respectively and electrically connected with the charging socket interface (7) and the discharging socket interface (4), the charging socket interface (7) is matched with the charging socket component (6), and the discharging socket interface (4) is matched with the discharging socket component (5), the method is characterized in that: the battery management system is characterized in that a charging control signal line (8) and a discharging control signal line (3) are arranged on the BMS protection device (9), the BMS protection device (9) is connected with the charging socket interface (7) through the charging control signal line (8), and the BMS protection device (9) is connected with the discharging socket interface (4) through the discharging control signal line (3).
2. The bi-directional recognition anti-sparking system for electric vehicles according to claim 1, characterized in that: the charging socket interface (7) is provided with a charging positive output end (71), a charging negative output end (73) and a charging signal output end (72), and the lengths of the charging positive output end (71) and the charging negative output end (73) are greater than that of the charging signal output end (72).
3. The bi-directional recognition anti-sparking system for electric vehicles according to claim 2, characterized in that: the discharging socket interface (4) is provided with a discharging anode output end (41), a discharging cathode output end (43) and a discharging signal output end (42), and the lengths of the discharging anode output end (41) and the discharging cathode output end (43) are greater than the length of the discharging signal output end (42).
4. The bi-directional recognition anti-sparking system for electric vehicles according to claim 3, characterized in that: the discharge positive electrode output end (41) is electrically connected with the charge positive electrode output end (71).
5. The bi-directional recognition anti-sparking system for electric vehicles according to claim 1, characterized in that: the discharge socket assembly (5) comprises a controller (52) and a discharge socket (51), wherein the controller (52) is electrically connected with the discharge socket (51).
6. The bi-directional recognition anti-spark system for the electric vehicle as claimed in claim 5, wherein: the discharging socket (51) is provided with a discharging positive electrode input end (511), a discharging negative electrode input end (513) and a discharging signal input end (512), and the controller (52) is connected with the discharging positive electrode input end (511), the discharging negative electrode input end (513) and the discharging signal input end (512) respectively.
7. The bi-directional recognition anti-sparking system for electric vehicles according to claim 1, characterized in that: the charging socket assembly (6) comprises a charger (62) and a charging socket (61), wherein the charger (62) is electrically connected with the charging socket (61).
8. The bi-directional recognition anti-spark system for the electric vehicle as claimed in claim 7, wherein: the charging socket (61) is provided with a charging positive input end (611), a charging negative input end (613) and a charging signal input end (612), and the charger (62) is respectively connected with the charging positive input end (611), the charging negative input end (613) and the charging signal input end (612).
CN201920860415.4U 2019-06-10 2019-06-10 Two-way discernment system of preventing striking sparks for electric motor car Active CN210062686U (en)

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CN201920860415.4U CN210062686U (en) 2019-06-10 2019-06-10 Two-way discernment system of preventing striking sparks for electric motor car

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Application Number Priority Date Filing Date Title
CN201920860415.4U CN210062686U (en) 2019-06-10 2019-06-10 Two-way discernment system of preventing striking sparks for electric motor car

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113346304A (en) * 2021-06-11 2021-09-03 上海智租物联科技有限公司 Prevent two-wheeled electric motor car and power battery's of striking sparks connecting wire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113346304A (en) * 2021-06-11 2021-09-03 上海智租物联科技有限公司 Prevent two-wheeled electric motor car and power battery's of striking sparks connecting wire
CN113346304B (en) * 2021-06-11 2023-03-21 上海智租物联科技有限公司 Prevent two-wheeled electric motor car and power battery's of striking sparks connecting wire

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