CN112874334A - High-voltage power supply control connector for new energy automobile - Google Patents

High-voltage power supply control connector for new energy automobile Download PDF

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Publication number
CN112874334A
CN112874334A CN202110047691.0A CN202110047691A CN112874334A CN 112874334 A CN112874334 A CN 112874334A CN 202110047691 A CN202110047691 A CN 202110047691A CN 112874334 A CN112874334 A CN 112874334A
Authority
CN
China
Prior art keywords
upper cover
cover body
voltage power
power supply
supply control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110047691.0A
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Chinese (zh)
Inventor
段付德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Vocational College Of Information Technology
Original Assignee
Nanjing Vocational College Of Information Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Vocational College Of Information Technology filed Critical Nanjing Vocational College Of Information Technology
Priority to CN202110047691.0A priority Critical patent/CN112874334A/en
Publication of CN112874334A publication Critical patent/CN112874334A/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses a high-voltage power supply control connector for a new energy automobile, which comprises a lower shell and an upper cover body, wherein the lower shell and the upper cover body are mutually covered; the upper cover body is provided with a jack for inserting an external plug, and the lower end of the jack is provided with a conductive metal sheet electrically connected with the connector body; a pressing component used for fastening an external plug is arranged on the upper cover body between the jacks; when the external plug is inserted into or pulled out of the jack, the top of the pressing component is contacted with or separated from the bottom of the external plug. According to the invention, through the arrangement of the leakage protector, the high-voltage power supply control connector has a leakage protection function and can be powered off at the highest speed; through the setting of pressing block, extrusion stem, slider and reset spring, after external plug inserted the jack, external plug was supported by the extrusion stem, and then external plug is difficult to take place the pine and takes off.

Description

High-voltage power supply control connector for new energy automobile
Technical Field
The invention relates to a power connector, in particular to a high-voltage power control connector of a new energy automobile.
Background
The new energy automobile mainly provides main energy by a battery system, and the energy transmission of the whole system is transmitted by a high-voltage electric system. Due to the constraints in the aspects of cost, technology and the like, the traditional electric automobile often directly utilizes the plug-in connection of a connector for connecting a battery pack and a high-voltage power distribution system. Although the method is simple and reduces the cost, the safety is lower when the power supply control connector is used, and the corresponding leakage protection is lacked. Meanwhile, the existing electric connector is simple in structure, and after the external plug is plugged with the connector, the external plug is easy to loosen and fall off, so that the normal transmission of electric signals is influenced.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a high-voltage power supply control connector for a new energy automobile, which has a leakage protection function and is not easy to loose a plug.
The technical scheme is as follows: the invention relates to a high-voltage power supply control connector for a new energy automobile, which comprises a lower shell and an upper cover body, wherein the lower shell and the upper cover body are mutually covered; the upper cover body is provided with an insertion hole for inserting an external plug, and the lower end of the insertion hole is provided with a conductive metal sheet electrically connected with the connector body; a pressing component used for fastening an external plug is arranged on the upper cover body between the jacks; when the external plug is inserted into or pulled out of the jack, the top of the pressing component is contacted with or separated from the bottom of the external plug.
Furthermore, in order to ensure the fixed connection quality of the plug, the pressing assembly comprises a pressing block, extrusion rods symmetrically arranged along the pressing block and a sliding block connected with the extrusion rods; the upper cover body is provided with a blind groove corresponding to the position of the pressing block, the pressing block is arranged in the blind groove and can move along the blind groove, and the bottom of the pressing block is connected with the blind groove through a connecting rope; a through groove is formed in the position, corresponding to the extrusion rod, of the upper cover body, two ends of the through groove are communicated with the insertion holes, the extrusion rod is arranged in the through groove, one end of the extrusion rod is in contact with the surface of the pressing block, and the pressing block controls the extrusion rod to move in the through groove; the position of the upper cover body corresponding to the sliding block is provided with a sliding groove, the sliding block is arranged in the sliding groove, the end part of the sliding block far away from the pressing block is provided with a return spring, and the return spring is connected with the inner wall of the sliding groove. The blind groove is arranged in the vertical direction, the through groove and the sliding groove are perpendicular to the blind groove, when the external plug is inserted into the jack, the bottom of the external plug is contacted with the pressing block and downward provides pressing force, the pressing block vertically moves downward at the moment and drives the extrusion rods on two sides to move in the horizontal direction, the sliding blocks on the upper parts of the extrusion rods move together and extrude the return spring, and the end parts of the extrusion rods can extend out of the through groove to enter the jack and be tightly contacted and fixed with the surface of the plug; when not receiving external force according to the briquetting, the extrusion pole is located logical inside of groove completely, and connects the rope this moment and just is flare-outed, in order to improve the precision of pressing, the one end that the jack was kept away from to the extrusion pole is equipped with first inclined plane, press briquetting bottom be equipped with first inclined plane sliding fit's second inclined plane, through the cooperation on first inclined plane and second inclined plane, can guarantee reset spring's flexible, and because the inclined plane set up also can the at utmost utilize the effort of pressing the in-process to guarantee external plug's fastening.
Further, in order to protect the surface of the external plug from being damaged and further improve the interaction effect of the extrusion rod and the external plug, a rubber pad for tight connection is arranged at one end, close to the jack, of the extrusion rod, the rubber pad is in tight contact with the external plug, the external plug is not easy to loosen, and the connection quality is guaranteed.
Furthermore, the earth leakage protector adopts an earth leakage protection switch, and has the advantages of high sensitivity, high power-off speed and flame retardance of the shell, and a plug penetrating through the lower shell is arranged on the earth leakage protector.
Furthermore, hinge connection is passed through to one side of casing and last lid down, and the opposite side of casing and last lid down is equipped with and is used for the lid to close fixed turn-ups, and two turn-ups divide to be used to set up under on casing and the last lid, are provided with the through-hole on the turn-ups, run through the through-hole through the bolt and will go up two turn-ups connection from top to bottom, and the cover is equipped with the nut on the bolt, and lower casing and last lid pass through bolt and nut fixed connection.
Further, the lateral wall of casing is equipped with a plurality of louvres that are used for the heat dissipation down, the louvre medial surface is fixed with and is used for waterproof ventilated membrane, and both guaranteed that the casing has certain radiating effect down, can avoid steam to get into the inside of casing down again, and the protecting effect is good.
Furthermore, a connecting sleeve for fixing is arranged on the outer side of the conductive metal sheet, the upper end of the connecting sleeve is connected with the inner surface of the upper cover body through a screw, and the inner side surface of the connecting sleeve is fixed with the conductive metal sheet.
The working principle of the invention is as follows: when the external plug is inserted into the jack, the pressing block moves downwards and pushes the extrusion rod to move towards two sides, and the extrusion rod extends out of the through groove until the rubber pad is in close contact with the external plug, so that the external plug is not easy to loosen, and the connection quality is ensured; after the external plug is pulled out, the extrusion rod retracts into the through groove under the action of the reset spring, and the external plug is convenient to use next time.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: according to the invention, through the arrangement of the leakage protector, the high-voltage power supply control connector has a leakage protection function and can be powered off at the highest speed; through the arrangement of the pressing block, the extrusion rod, the sliding block and the reset spring, after the external plug is inserted into the jack, the external plug is propped against the extrusion rod, and further the external plug is difficult to loosen; the invention adjusts the extrusion rod by the elasticity of the return spring, and further improves the pressing force of the external plug by utilizing the larger elasticity coefficient of the return spring.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic diagram of the operation of the plug inserted into the jack of the present invention.
Detailed Description
The invention is further illustrated by the following figures and examples.
Referring to fig. 1-3, a high-voltage power supply control connector of a new energy automobile includes a lower housing 1 and an upper cover 2, the lower housing 1 is internally provided with a connector body 3 and a leakage protector 4, the leakage protector 4 is a delaxi DZ47L leakage switch, the connector body 3 and the leakage protector 4 are connected in series through a second wire 12, the leakage protector 4 is connected with a plug 5, the upper cover 2 is provided with two jacks 26, the lower end of the jack 26 is connected with a conductive metal sheet 8, the outer side of the conductive metal sheet 8 is sleeved with a connecting sleeve 9, the upper end of the connecting sleeve 9 is fixedly connected with the inner surface of the upper cover 2 through a screw 10, the inner side of the connecting sleeve 9 is fixedly connected with the conductive metal sheet 8, so that the conductive metal sheet 8 is stably connected, and the conductive metal sheet 8 is electrically connected with the connector body 3 through a first wire 11. A blind groove 17 is arranged between the two jacks 26, a pressing block 18 is connected in the blind groove 17 in a sliding fit manner, the lower end of the pressing block 18 is connected with the bottom surface of the blind groove 17 through a connecting rope 19, through grooves 25 are formed in the left side surface and the right side surface of the blind groove 17, sliding grooves 23 are formed in the top surfaces of the through grooves 25, an extrusion rod 20 is connected in the through grooves 25 in a sliding fit manner, a sliding block 21 is connected to the upper surface of the extrusion rod 20, the sliding block 21 is connected with the sliding grooves 23 in a sliding fit manner, a reset spring 22 is connected between the sliding block 21 and the side surface of the sliding groove 23, second inclined surfaces 181 are arranged at the lower end parts of the left side surface and the right side surface of the pressing block 18, a first inclined surface 201 is arranged at one end of the extrusion rod 20 far away, to minimize the force in the pressing down, and a lubricant may be further applied between the first inclined surface 201 and the second inclined surface 181 to reduce friction. When the pressing block 18 is not subjected to external force, the return spring 22 is restored to an extended state from a compressed state, the extrusion rod 20 is driven by the slider 21 to move to the inside of the through groove 25, the connecting rope 19 is just straightened and limits the pressing block 18, and when the pressing block 18 moves downwards, the extrusion rod 20 slowly extends outwards.
Referring to fig. 2, the number of the extrusion rod 20, the sliding block 21, the return spring 22 and the sliding groove 23 is two and is arranged in bilateral symmetry with respect to the symmetry plane of the pressing block 18, a rubber pad 24 is bonded on one end of the extrusion rod 20 close to the jack 26, and when the external plug is completely inserted into the jack 26, the rubber pad 24 is in close contact with the external plug, so that the external plug is not easy to loosen, and the connection quality is ensured.
The left side of the lower shell 1 is hinged with the left side of the upper cover body 2 through a hinge, a flanging 14 is arranged at the right side of the upper end of the lower shell 1, and the flanging 14 is also arranged at the right side of the lower end of the upper cover body. Through holes are formed in the two flanges 14, bolts 15 penetrate through the through holes, nuts 16 are sleeved on the bolts 15, and the lower shell 1 and the upper cover body 2 are fixedly connected. All be provided with a plurality of louvre 6 on the left surface and the right flank of casing 1 down, the waterproof ventilated membrane 7 of fixedly connected with on the medial surface of louvre 6, casing 1 had both had certain radiating effect down like this, can avoid steam to get into the inside of casing 1 down again, and the protecting effect is good.
When the external plug is inserted into the jack 26, the plug contacts with the conductive metal sheet 8, the bottom of the plug drives the pressing block 18 to move downwards and pushes the extrusion rod 20 to move towards two sides, and the extrusion rod 20 extends out of the through groove 25 until the rubber pad 24 is tightly contacted with the external plug, so that the external plug is not easy to loosen and the connection quality is ensured; after the external plug is pulled out, the extrusion rod 20 retracts into the through groove 25 under the action of the return spring 22, so that the next use is facilitated.

Claims (8)

1. The utility model provides a high voltage power supply control connector for new energy automobile, includes lower casing (1) and last lid (2) that each other approximately closed, its characterized in that: the lower shell (1) is internally provided with a connector body (3) and a leakage protector (4) connected with the connector body (3) in series; the upper cover body (2) is provided with an insertion hole (26) for inserting an external plug, and the lower end of the insertion hole (26) is provided with a conductive metal sheet (8) electrically connected with the connector body (3); a pressing component used for fastening an external plug is arranged on the upper cover body (2) between the jacks (26); when the external plug is inserted into or pulled out of the jack (26), the top of the pressing component is contacted with or separated from the bottom of the external plug.
2. The high-voltage power supply control connector for the new energy automobile according to claim 1, characterized in that: the pressing assembly comprises a pressing block (18), extrusion rods (20) symmetrically arranged along the pressing block (18) and a sliding block (21) connected with the extrusion rods (20); a blind groove (17) is formed in the position, corresponding to the pressing block (18), of the upper cover body (2), the pressing block (18) is arranged in the blind groove (17) and can move along the blind groove (17), and the bottom of the pressing block (18) is connected with the bottom of the blind groove (17) through a connecting rope (19); a through groove (25) is formed in the position, corresponding to the extrusion rod (20), of the upper cover body (2), two ends of the through groove (25) are communicated with the insertion hole (26), the extrusion rod (20) is arranged in the through groove (25), one end of the extrusion rod (25) is in contact with the surface of the pressing block (18), and the pressing block (18) controls the pressing block to move in the through groove (25); the upper cover body (2) is provided with a sliding groove (23) at a position corresponding to the sliding block (21), the sliding block (21) is arranged in the sliding groove (23), a return spring (22) is arranged at the end part, far away from the pressing block (18), of the sliding block (21), and the return spring (22) is connected with the inner wall of the sliding groove (23).
3. The high-voltage power supply control connector for the new energy automobile according to claim 2, characterized in that: one end, far away from the jack (26), of the extrusion rod (20) is provided with a first inclined surface (201), and the bottom of the pressing block (18) is provided with a second inclined surface (181) in sliding fit with the first inclined surface (201).
4. The high-voltage power supply control connector for the new energy automobile according to claim 2, characterized in that: one end of the extrusion rod (18) close to the insertion hole (26) is provided with a rubber pad (24) for tight connection.
5. The high-voltage power supply control connector for the new energy automobile according to claim 1, characterized in that: and a plug (5) penetrating through the lower shell (1) is arranged on the leakage protector (4).
6. The high-voltage power supply control connector for the new energy automobile according to claim 1, characterized in that: one side of the lower shell (1) is connected with one side of the upper cover body (2) through a hinge, and the other side of the lower shell (1) and the other side of the upper cover body (2) are provided with a flanging (14) for fixing the lower shell in a covering mode.
7. The high-voltage power supply control connector for the new energy automobile according to claim 1, characterized in that: the lateral wall of lower casing (1) is equipped with a plurality of louvres (6) that are used for the heat dissipation, louvre (6) medial surface is fixed with and is used for waterproof ventilated membrane (7).
8. The high-voltage power supply control connector for the new energy automobile according to claim 1, characterized in that: the outer side of the conductive metal sheet (8) is provided with a connecting sleeve (9) for fixing, the upper end of the connecting sleeve (9) is connected with the inner surface of the upper cover body (2) through a screw (10), and the inner side surface of the connecting sleeve (9) is fixed with the conductive metal sheet (8).
CN202110047691.0A 2021-01-14 2021-01-14 High-voltage power supply control connector for new energy automobile Withdrawn CN112874334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110047691.0A CN112874334A (en) 2021-01-14 2021-01-14 High-voltage power supply control connector for new energy automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110047691.0A CN112874334A (en) 2021-01-14 2021-01-14 High-voltage power supply control connector for new energy automobile

Publications (1)

Publication Number Publication Date
CN112874334A true CN112874334A (en) 2021-06-01

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ID=76048275

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110047691.0A Withdrawn CN112874334A (en) 2021-01-14 2021-01-14 High-voltage power supply control connector for new energy automobile

Country Status (1)

Country Link
CN (1) CN112874334A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115528795A (en) * 2021-12-31 2022-12-27 百纳德（扬州）电能系统股份有限公司 UPS power supply with leakage protection function
CN117498089A (en) * 2023-12-25 2024-02-02 深圳市国威通电子技术有限公司 Three-core high-voltage connector socket

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115528795A (en) * 2021-12-31 2022-12-27 百纳德（扬州）电能系统股份有限公司 UPS power supply with leakage protection function
CN115528795B (en) * 2021-12-31 2023-09-05 百纳德（扬州）电能系统股份有限公司 UPS power supply with leakage protection function
CN117498089A (en) * 2023-12-25 2024-02-02 深圳市国威通电子技术有限公司 Three-core high-voltage connector socket
CN117498089B (en) * 2023-12-25 2024-04-02 深圳市国威通电子技术有限公司 Three-core high-voltage connector socket

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Application publication date: 20210601

WW01 Invention patent application withdrawn after publication