CN103700802B - Elastic contact on end face of powder battery of full electric vehicle - Google Patents
Elastic contact on end face of powder battery of full electric vehicle Download PDFInfo
- Publication number
- CN103700802B CN103700802B CN201310693884.9A CN201310693884A CN103700802B CN 103700802 B CN103700802 B CN 103700802B CN 201310693884 A CN201310693884 A CN 201310693884A CN 103700802 B CN103700802 B CN 103700802B
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- China
- Prior art keywords
- contact
- moving contact
- face
- headstock
- pressure head
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/561—Hollow metallic terminals, e.g. terminal bushings
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of elastic contact on end face of powder battery of full electric vehicle, pass in the centre bore of moving contact (5) the driven headstock (4) in moving contact component, be formed with moving contact pressure head (5a) in the front end of moving contact (5), the front end of dynamic headstock (4) is supported with moving contact (5) mutually by the oscillating bearing (6) of setting-in; Static contact component is positioned at the front of moving contact component, this static contact component is made up of fixed contact (8), quiet headstock (9), plug (10) and spring (11), and the rear end of fixed contact (8) is provided with the fixed contact pressure head (8a) matched with moving contact pressure head (5a).The present invention can ensure that dynamic and static contact end face has certain normal pressure, and moving contact has from bit function, automatically the position of fixed contact can be adapted to, ensure that dynamic and static contact is good, not only increase the efficiency and reliability that conduct electricity, and effectively prevent arcing or interruption conduction because of the instantaneous separation of dynamic and static contact end face.
Description
Technical field
The invention belongs to vehicle technology field, specifically, the elastic contact on end face of powder battery particularly on pure electric vehicle.
Background technology
At present, new-energy automobile particularly pure electric automobile is ripe gradually, enters test and demonstrating running stage.In use, must carry out electric energy and supplement, carry out electric energy to pure electric sedan at present and be supplemented with two kinds of patterns, one is charge to electric automobile to pure electric sedan, and required time is very long, general needs several hours; Another kind of pattern changes to electric automobile the power brick that namely electricity changes electric automobile, first power brick complete for electric energy consumption changed fast, then the power brick being full of electricity installed to rapidly on electric automobile, realize fast repairing charging electric energy of electric automobile.The power brick changed is charged at electrical changing station, and the power brick of substituting the bad for the good is prepared as next electric automobile and changes electricity.
Passenger-car chassis change motor carries out replacing power brick time, because moving contact is arranged in power brick, fixed contact is arranged on vehicle chassis, and there is various error in different power brick, contact can only conduct electricity with end contact, contact area and contact shake all can affect the efficiency that conducts electricity, loose contact, burn out contact because producing the easy arcing of instantaneous separation between vehicle operating shake contact-making surface simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of elastic contact on end face of powder battery of full electric vehicle that effectively can improve the reliability that conducts electricity.
Technical scheme of the present invention is as follows: a kind of elastic contact on end face of powder battery of full electric vehicle, be made up of moving contact component and static contact component, described moving contact component comprises seal head (3), dynamic headstock (4), moving contact (5) and oscillating bearing (6), described moving contact (5) is column structure, and pass in the centre bore of driven headstock (4), moving contact pressure head (5a) is formed with in the front end of moving contact (5), fixing seal head (3) between the rear end of described dynamic headstock (4) and moving contact (5), the front end of dynamic headstock (4) is supported with moving contact (5) mutually by the oscillating bearing (6) of setting-in, described static contact component is positioned at the front of moving contact component, this static contact component is by fixed contact (8), quiet headstock (9), plug (10) and spring (11) composition, described fixed contact (8) is column structure, and be positioned at the dead ahead of moving contact (5), this fixed contact (8) passes from the centre bore of quiet headstock (9), the rear end of fixed contact (8) is formed with the fixed contact pressure head (8a) matched with moving contact pressure head (5a), the front end of fixed contact (8) is sealed by plug (10), spring (11) is set in described fixed contact (8), the front end of this spring (11) abuts with plug (10), the rear end of spring (11) abuts with the annular boss at fixed contact (8) rear portion, this annular boss is spacing by the in-flanges of quiet headstock (9) rear port backward.
Adopt above technical scheme, moving contact component is arranged on power brick front end, is connected with power brick, moves with power brick, and the high pressure positive and negative electrode of its power brick and moving contact are connected; Static contact component is arranged on the circuit closer seat of vehicle chassis, and the high pressure positive and negative electrode on circuit closer seat is connected with electric automobile high-voltage circuit.
In the process changing power brick, moving contact component moves to static contact component direction, the moving contact pressure head of moving contact front end is pressed on the fixed contact pressure head of fixed contact rear end, moving contact continues mobile, and promote fixed contact and compress spring in quiet headstock, after moving contact moves into place, two contacts are pressed together by spring under the effect of resilience force, and ensure that dynamic and static contact end face has certain normal pressure.Moving contact is provided with an oscillating bearing, when power brick exists error, dynamic and static contact end face is not parallel and when affecting contact area, oscillating bearing can make moving contact automatically rotate an angle, to guarantee the counterface parallel contact of moving contact pressure head and fixed contact pressure head, such moving contact has from bit function, automatically can adapt to the position of fixed contact, ensure that dynamic and static contact is good, thus effectively improve the efficiency and reliability that conduct electricity.
Annular groove (5b) is offered at the front end face of described moving contact pressure head (5a), elastic conduction circle (7) is housed in this annular groove (5b), described elastic conduction circle (7) is spiral winding circulus, the spiral coil of elastic conduction circle (7) tilts relative to axis, and the fraction of elastic conduction circle (7) exceeds the front end face of moving contact pressure head (5a).Elastic conduction circle is the helix tube of inclination certain angle, and protrude from moving contact pressure head end face, when moving contact pressure head end face is pressed to fixed contact pressure head end face, in elastic conduction circle indentation annular groove, and under the effect of himself resilience force, elastic conduction circle and fixed contact pressure head end contact, thus add conductive area, and can big current be passed through, reduce dynamic and static contact resistance, further increase the efficiency and reliability that conduct electricity; Meanwhile, when vehicle shake, the two instantaneous separation of contact, elastic conduction circle, under elastic force effect, still can keep dynamic and static contact end contact conduct electricity, to effectively prevent because of the instantaneous separation of dynamic and static contact end face arcing or interrupts conducting electricity.
The cross section of described moving contact pressure head (5a) front end face annular groove (5b) is oval, is not only easy to processing and fabricating, and large outer little in annular groove, can prevent elastic conduction circle from coming off.
Described elastic conduction circle (7) is made up of beryllium copper, has very high intensity, elasticity, hardness, fatigue strength, and anti-corrosion, wear-resisting, cold-resistant, high connductivity, nonmagnetic, impact and do not produce spark.
Described seal head (3) is pre-small post-large cone rubber body, and the rear end face of sealing head (3) is glued with packing ring (2), and packing ring (2) is lock onto on moving contact (5) by nut (1).Above structure on the one hand assembling is simple, convenient; On the other hand, seal head is in swelling state, can not only play good sealing function, and have allowing property, and moving contact can automatically be rotated under the effect of oscillating bearing.
Described plug (10) is plug screw, and the rear portion of this plug screw embeds quiet headstock (9), both threaded engagement.The assembling of above structure plug is convenient, and is connected firm with quiet headstock, can guarantee the reliability of locating spring.
As preferably, described moving contact (5) and fixed contact (8) are made by yellow gold.
Beneficial effect: the present invention can ensure that dynamic and static contact end face has certain normal pressure, and moving contact has from bit function, automatically the position of fixed contact can be adapted to, ensure that dynamic and static contact is good, not only increase the efficiency and reliability that conduct electricity, and effectively prevent arcing or interruption conduction because of the instantaneous separation of dynamic and static contact end face.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of elastic conduction circle.
Fig. 3 is the initial condition figure of elastic conduction circle.
Fig. 4 is the compressive state figure of elastic conduction circle.
Fig. 5 is the schematic diagram of moving contact pressure head front end face annular groove.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, the present invention is made up of moving contact component and static contact component two large divisions.Described moving contact component has seal head 3, dynamic headstock 4, moving contact 5, oscillating bearing 6 and elastic conduction circle 7, and wherein, moving contact 5 is column structure, and is preferably made up of yellow gold.Pass in the centre bore of the driven headstock 4 of moving contact 5, the rear and front end of moving contact 5 is all in the outside of dynamic headstock 4, and dynamic headstock 4 is made up of insulating material.Between the rear end and moving contact 5 of described dynamic headstock 4, seal head 3 is set, sealing 3 is pre-small post-large cone rubber body, seal head 3 embeds in dynamic headstock 4 completely, the rear end face of seal head 3 is substantially concordant with the rear end face of dynamic headstock 4, and be glued with packing ring 2 at the rear end face of seal head 3, packing ring 2 lock onto on moving contact 5 by nut 1, nut 1 and moving contact 5 threaded engagement.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the front end of dynamic headstock 4 is supported with moving contact 5 phase by oscillating bearing 6, and oscillating bearing 6 is flush-mounted in dynamic headstock 4.Be formed with moving contact pressure head 5a in the front end of described moving contact 5, the front end face of this moving contact pressure head 5a offers annular groove 5b, and the cross section of this annular groove 5b is preferably oval.The processing mode of annular groove 5b is: first bore a hole d at moving contact pressure head 5a front end face, then put in by forming tool in the d of hole, and it is oval annular groove that the axis of moving contact 5 mills out cross section, large outer little in annular groove.In described annular groove 5b, elastic conduction circle 7 is housed, this elastic conduction circle 7 is spiral winding circulus, and is made up of beryllium copper.Described elastic conduction circle 7 penetrates in annular groove 5b from hole d, end to end, and hole d is avoided in joint.The spiral coil of elastic conduction circle 7 tilts relative to the axis of elastic conduction circle 7, and the concrete angle of inclination is determined according to actual needs.The fraction of described elastic conduction circle 7 exceeds the front end face of moving contact pressure head 5a, and the Specific amounts exceeded also is determined according to actual needs.
As shown in Figure 1, static contact component is positioned at the front of moving contact component, and this static contact component is made up of fixed contact 8, quiet headstock 9, plug 10 and spring 11.Wherein, fixed contact 8 is column structure, and is preferably made up of yellow gold.Described fixed contact 8 is positioned at the dead ahead of moving contact 5, and this fixed contact 8 passes from the centre bore of quiet headstock 9, and the rear end of fixed contact 8 is formed with the fixed contact pressure head 8a matched with moving contact pressure head 5a, and the front end of fixed contact 8 is sealed by plug 10.Described plug 10 is plug screw, and is set on fixed contact 8, and the rear portion of this plug screw embeds quiet headstock 9, both threaded engagement.In described fixed contact 8, be provided with spring 11, the front end of this spring 11 abuts with plug 10, and the rear end of spring 11 abuts with the annular boss at fixed contact 8 rear portion, and this annular boss is spacing by the in-flanges of quiet headstock 9 rear port backward.
Operation principle of the present invention is as follows:
Moving contact component is arranged on power brick front end, is connected with power brick, moves with power brick; Static contact component is arranged on the circuit closer seat of vehicle chassis.In the process changing power brick, moving contact component moves to static contact component direction, the moving contact pressure head 5a of moving contact 5 front end is pressed on the fixed contact pressure head 8a of fixed contact 8 rear end, moving contact 5 continues mobile, and promote fixed contact 8 and compress spring 11 in quiet headstock 9, after moving contact 5 moves into place, two contacts are pressed together by spring 11 under the effect of resilience force, and ensure that dynamic and static contact 5,8 contact end face has certain normal pressure.When power brick exists error, dynamic and static contact end face is not parallel and affect contact area time, oscillating bearing 6 can make moving contact 5 automatically rotate an angle, to guarantee the counterface parallel contact of moving contact pressure head 5a and fixed contact pressure head 8a.
When moving contact pressure head 5a end face is pressed to fixed contact pressure head 8a end face, in elastic conduction circle 7 indentation annular groove 5b, height h1 under elastic conduction circle 7 nature, enclose after pressurized more to tilt, height reduction is h2, under the effect of himself resilience force, elastic conduction circle 7 and fixed contact pressure head 8a end contact, thus add conductive area, and can big current be passed through, reduce dynamic, fixed contact contact resistance, even if vehicle is shaken, during the two instantaneous separation of contact, elastic conduction circle 7 is under elastic force effect, still can keep dynamic, fixed contact end contact conducts electricity, effectively prevent because of dynamic, the instantaneous separation of fixed contact end face and arcing or interrupt conduction.
Claims (5)
1. an elastic contact on end face of powder battery of full electric vehicle, it is characterized in that: be made up of moving contact component and static contact component, described moving contact component comprises seal head (3), dynamic headstock (4), moving contact (5) and oscillating bearing (6), described moving contact (5) is column structure, and pass in the centre bore of driven headstock (4), moving contact pressure head (5a) is formed with in the front end of moving contact (5), fixing seal head (3) between the rear end of described dynamic headstock (4) and moving contact (5), the front end of dynamic headstock (4) is supported with moving contact (5) mutually by the oscillating bearing (6) of setting-in, described static contact component is positioned at the front of moving contact component, this static contact component is by fixed contact (8), quiet headstock (9), plug (10) and spring (11) composition, described fixed contact (8) is column structure, and be positioned at the dead ahead of moving contact (5), this fixed contact (8) passes from the centre bore of quiet headstock (9), the rear end of fixed contact (8) is formed with the fixed contact pressure head (8a) matched with moving contact pressure head (5a), the front end of fixed contact (8) is sealed by plug (10), spring (11) is set in described fixed contact (8), the front end of this spring (11) abuts with plug (10), the rear end of spring (11) abuts with the annular boss at fixed contact (8) rear portion, this annular boss is spacing by the in-flanges of quiet headstock (9) rear port backward,
Annular groove (5b) is offered at the front end face of described moving contact pressure head (5a), elastic conduction circle (7) is housed in this annular groove (5b), described elastic conduction circle (7) is spiral winding circulus, the spiral coil of elastic conduction circle (7) tilts relative to axis, and the fraction of elastic conduction circle (7) exceeds the front end face of moving contact pressure head (5a);
Described seal head (3) is pre-small post-large cone rubber body, and the rear end face of sealing head (3) is glued with packing ring (2), and packing ring (2) is lock onto on moving contact (5) by nut (1).
2. elastic contact on end face of powder battery of full electric vehicle according to claim 1, is characterized in that: the cross section of described moving contact pressure head (5a) front end face annular groove (5b) is for oval.
3. elastic contact on end face of powder battery of full electric vehicle according to claim 1 and 2, is characterized in that: described elastic conduction circle (7) is made up of beryllium copper.
4. elastic contact on end face of powder battery of full electric vehicle according to claim 1, is characterized in that: described plug (10) is plug screw, and the rear portion of this plug screw embeds quiet headstock (9), both threaded engagement.
5. elastic contact on end face of powder battery of full electric vehicle according to claim 1, is characterized in that: described moving contact (5) and fixed contact (8) are made by yellow gold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693884.9A CN103700802B (en) | 2013-12-17 | 2013-12-17 | Elastic contact on end face of powder battery of full electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693884.9A CN103700802B (en) | 2013-12-17 | 2013-12-17 | Elastic contact on end face of powder battery of full electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103700802A CN103700802A (en) | 2014-04-02 |
| CN103700802B true CN103700802B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310693884.9A Expired - Fee Related CN103700802B (en) | 2013-12-17 | 2013-12-17 | Elastic contact on end face of powder battery of full electric vehicle |
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| Country | Link |
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| CN (1) | CN103700802B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598732B (en) * | 2018-04-23 | 2024-01-16 | 贵州电网有限责任公司 | Flexible contact |
| CN112310697B (en) * | 2020-10-28 | 2022-02-08 | 上海韵连电气科技有限公司 | Pole structure of high-low voltage connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1135661A (en) * | 1996-01-16 | 1996-11-13 | 家电宝实业有限公司 | Charged cell and charging device |
| CN101582517A (en) * | 2008-05-14 | 2009-11-18 | 林荣恒 | Charging and discharging battery pack and control method thereof |
| CN102005558A (en) * | 2010-09-30 | 2011-04-06 | 北京理工中兴科技股份有限公司 | Adaptive current connecting mechanism of battery box |
| CN203659973U (en) * | 2013-12-17 | 2014-06-18 | 力帆实业(集团)股份有限公司 | Contact structure for electricity transmission of power battery pack |
-
2013
- 2013-12-17 CN CN201310693884.9A patent/CN103700802B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1135661A (en) * | 1996-01-16 | 1996-11-13 | 家电宝实业有限公司 | Charged cell and charging device |
| CN101582517A (en) * | 2008-05-14 | 2009-11-18 | 林荣恒 | Charging and discharging battery pack and control method thereof |
| CN102005558A (en) * | 2010-09-30 | 2011-04-06 | 北京理工中兴科技股份有限公司 | Adaptive current connecting mechanism of battery box |
| CN203659973U (en) * | 2013-12-17 | 2014-06-18 | 力帆实业(集团)股份有限公司 | Contact structure for electricity transmission of power battery pack |
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| Publication number | Publication date |
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| CN103700802A (en) | 2014-04-02 |
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Granted publication date: 20150812 Termination date: 20191217 |