CN109713389A - Charging probe - Google Patents
Charging probe Download PDFInfo
- Publication number
- CN109713389A CN109713389A CN201811620582.8A CN201811620582A CN109713389A CN 109713389 A CN109713389 A CN 109713389A CN 201811620582 A CN201811620582 A CN 201811620582A CN 109713389 A CN109713389 A CN 109713389A
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- Prior art keywords
- charging probe
- charging
- ontology
- outer housing
- probe
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- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging probes, the charging probe includes: charging probe ontology, the charging probe ontology has the first end contacted with the pole block of battery and the second end connecting with charging/discharging apparatus, is provided with cooling duct between the first end and the second end.Thus, on the one hand, can the part directly by the cooling medium in cooling duct directly with the charging probe ontology on cooling duct periphery exchange heat, so as to be effectively reduced the temperature of charging probe ontology；On the other hand, the part of the pole block face of cooling duct and battery can will in cooling duct and charging probe ontology heat exchange after, but the still lower cooling medium of temperature is conducting on the region where the pole block of battery, it is cooled down so as to the pole block further to battery, to, the working environment of battery and charging probe is effectively improved at above-mentioned two aspect, improves the safety in utilization of battery and charging probe.
Description
Technical field
The present invention relates to battery technology fields, more particularly, to a kind of charging probe.
Background technique
In the related technology, with lithium ion battery capacity increase, in battery manufacturing process, the charging of formation process and
Discharge current becomes larger, therefore high current occurs and pass through, and when leading to charge and discharge electric probe charge and discharge, generate heat the problem of rising with temperature,；
Simultaneously as the energy density of battery increases, also results in inside battery during charging and discharging and generate heat, and because being positive
Pole/negative terminal, which generates heat, also results in the rising of battery itself temperature.
Further, the region that battery pole block is in contact with charge and discharge electric probe, will appear significantly when high current passes through
Impedance rise causes temperature to rise again, and it is on fire to eventually lead to thermal runaway for the vicious circle that formation temperature rises.In order to guarantee
The safety of high current charge-discharge, probe impedance should control within 2.0m Ω；The copper for often selecting impedance low, existing probe
Main material is the copper alloy of BeCu material, which can well and intensity is high；Simultaneously in order to ensure the stability of electric current
With the corrosion resistance of components, the coating of Ni, Au, Pd as the electric currents such as probe and spring by part is used, this makes probe valence
Lattice valuableness (at high cost).
In addition, high current is powered, the heat generated can be such that the control precision of charging/discharging apparatus reduces.In order to drop fever
Stabilization that is low, containing temperature rise, ensure stable equipment operation, ensuring battery, it is necessary to which a kind of lithium ion battery charge and discharge electrical resistivity survey is provided
The cooling structure of needle designs and cooling means.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose a kind of charging probe, the pole block of battery that the charging probe can be effectively reduced itself and be connected electrically
Temperature.
Charging probe according to an embodiment of the present invention includes: charging probe ontology, and the charging probe ontology has and electricity
The first end of the pole block contact in pond and the second end connecting with charging/discharging apparatus, are arranged between the first end and the second end
There is cooling duct.
Charging probe according to an embodiment of the present invention, by being formed on charging probe ontology and through charging probe ontology
Cooling duct, during carrying out charge and discharge to battery, during battery routine use or battery is tested
During, on the one hand, it can directly pass through charging probe of the cooling medium directly with cooling duct periphery in cooling duct
The part of ontology exchanges heat, so as to be effectively reduced the temperature of charging probe ontology；On the other hand, cooling duct and electricity
The part of the pole block face in pond can be by cooling duct and after the heat exchange of charging probe ontology, but temperature is still lower cooling is situated between
Matter is conducting on the region where the pole block of battery, is cooled down so as to the pole block further to battery, thus, upper
State two aspects and effectively improve the working environment of battery and charging probe, improve battery and charging probe using safe
Property.
According to some embodiments of the present invention, the charging probe further include: outer housing, the outer housing are set in described
On charging probe ontology, and the charging probe ontology is slidably disposed on the outer housing.
In some embodiments, the first end of the charging probe ontology is exposed from the outer housing；The charging
Probe further include: bolster, one end of the bolster are connected with the first end of the charging probe ontology, the buffering
The other end of part is connected with the outer casing section.
Further, it is provided with first flange in the first end of the charging probe ontology, is set on the outer housing
It is equipped with second flange, the both ends of the bolster are only against between the first flange and the second flange respectively.
In some embodiments, glade plane space is provided between the outer housing and the charging probe ontology.
In some embodiments, the charging probe further include: by the first fixed mechanism of outer housing fixation and incite somebody to action
Second fixed mechanism of the electric connecting sheet of the charging/discharging apparatus in conjunction with the charging probe ontology.
Further, first fixed mechanism includes: the first fixture nut and the second fixture nut, and described first is fixed
Nut and second fixture nut are set on the outer housing and are threadedly engaged with the outer peripheral surface of the outer housing, and described
One fixture nut and second fixture nut are sequentially distributed on first extreme direction far from the charging probe ontology.
Further, the second end of the charging probe ontology is exposed from the outer housing；Described second fixed machine
Structure includes: third fixture nut, the third fixture nut be set in the second end of the charging probe ontology and with
The second end of the charging probe ontology is threadedly engaged, and the third fixture nut and second fixture nut are suitable for folder
The electric connecting sheet of the tight charging/discharging apparatus.
According to some embodiments of the present invention, the first end of the charging probe ontology is formed matches with the pole block of battery
That closes only supports face, and the charging probe further includes contact terminal, and described the of the contact terminal and the charging probe ontology
One end elasticity is only supported, and in its natural state, and the contact terminal protrusion is described only to support face.
In some embodiments, the gas source being connected with the cooling duct is provided in the second end.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic front view of charging probe according to an embodiment of the present invention；
Fig. 2 is the left view schematic diagram of charging probe according to an embodiment of the present invention；
Fig. 3 is the stereoscopic schematic diagram of the first end of the charging probe ontology of charging probe according to an embodiment of the present invention；
Fig. 4 is the cooperation schematic diagram of charging probe and battery according to an embodiment of the present invention.
Appended drawing reference:
Charging probe 100, battery 200,
Charging probe ontology 110, first end 111 only support face 1111, contact terminal 1112, second end 112, cooling duct
113, first flange 114,
Outer housing 120, second flange 121, bolster 130, the first fixture nut 140, the second fixture nut 150, third
Fixture nut 160,
Pole block 210.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Charging probe 100 according to an embodiment of the present invention is described below with reference to Fig. 1-figure, 4.
As Figure 1-Figure 4, charging probe 100 according to an embodiment of the present invention includes: charging probe ontology 110, charging
Probe bodies 110 have the first end 111 contacted with the pole block 210 of battery and the second end 112 connecting with charging/discharging apparatus, the
Cooling duct 113 is provided between one end 111 and second end 112.
Specifically, the first end 111 of charging probe ontology 110 is contacted with the pole block 210 of battery, and charging probe ontology
110 second end 112 is connect with charging/discharging apparatus (not shown), to keep the pole block 210 of charging/discharging apparatus and battery logical
Overcharge probe bodies 110 are electrically connected, and then setting penetrates through the cooling of charging probe ontology 110 on charging probe ontology 110
Channel 113, and it is oppositely arranged cooling duct 113 in first end 111 with the pole block 210 of battery.
It is understood that the second end 112 of charging probe ontology 110 is not limited to connect with charging/discharging apparatus, with fill
Discharge equipment can also be electrically connected while connection with electrical equipment or battery test apparatus.
Charging probe 100 according to an embodiment of the present invention, by being formed on charging probe ontology 110 and being visited through charging
The cooling duct 113 of needle ontology 110, during carrying out charge and discharge to battery, during battery routine use or right
During battery is tested, on the one hand, can directly by the cooling medium in cooling duct 113 directly and cooling duct
The part of the charging probe ontology 110 on 113 peripheries exchanges heat, so as to be effectively reduced the temperature of charging probe ontology 110
Degree；On the other hand, the part of 210 face of pole block of cooling duct 113 and battery can will be in cooling duct 113 and charging probe
After ontology 110 exchanges heat, but the still lower cooling medium of temperature is conducting on the region at 210 place of pole block of battery, so as to
It is cooled down with the pole block 210 further to battery, thus, battery is effectively improved at above-mentioned two aspect and charging is visited
The working environment of needle 100 improves the safety in utilization of battery and charging probe 100.
It should be noted that charging probe 100 signified in the embodiment of the present invention refers to, it is suitable for large capacity vehicle electric
Pond carries out the charging probe 100 of the high current of fast charging and discharging, and charging current is not less than 100A.Cooling duct 113 be it is multiple,
And multiple cooling ducts 113 are around the axial setting of charging probe ontology 110.
In specific embodiment shown in Fig. 1, charging probe 100 further include: outer housing 120, outer housing 120 are set in
On charging probe ontology 110, and charging probe ontology 110 is slidably disposed on outer housing 120.In this way, not only by outer
Covering the outer housing 120 outside charging probe ontology 110 can be further improved the structural strength of charging probe 100, Er Qiechong
The structure of electric probe 100 is more reasonable, while charging probe 100 can be connect by outer housing 120 with peripheral parts, charging
Probe bodies 110, can be effective while improving the service life of charging probe ontology 110 without connecting with peripheral parts
The connective stability of ground raising charging probe 100 and peripheral parts.
Shown in as shown in Figure 1, Figure 3 and Figure 4, the first end 111 of charging probe ontology 110 is exposed from outer housing 120；Charging probe
100 further include: bolster 130, one end of bolster 130 are connected with the first end 111 of charging probe ontology 110, bolster 130
The other end be connected with outer housing 120.
That is, at least partly stretching outer housing 120 of the first end 111 of charging probe ontology 110, to stretch out outer
The part of shell 120 is suitable for connecting with the pole block 210 of battery, and the bolster 130 of charging probe 100 is arranged in outer housing 120
Between first end 111, and one end of bolster 130 is only against in first end 111, and the other end is only against on outer housing 120.
Thus it is possible, on the one hand, making at least partly stretching outer housing 120 of first end 111, make the pole of first end 111 Yu battery
The contact of block 210 and connection are simpler, conveniently；On the other hand, battery is set between outer housing 120 and first end 111
Pole block 210 can pass through compression buffering thus when being installed between the pole block 210 and charging probe ontology 110 of battery
Excess vol when the pole block 210 that part 130 absorbs battery crosses installation site, thus be effectively prevented charging probe ontology 110 by
Damage.
As shown in Figure 1 and Figure 4, first flange 114, outer housing are provided in the first end 111 of charging probe ontology 110
Second flange 121 is provided on 120, the both ends of bolster 130 are only against between first flange 114 and second flange 121 respectively.
In this way, outer housing 120 and charging probe ontology 110 can be improved by setting first flange 114 and second flange 121
Structural strength while, keep fixed effect of the bolster 130 between outer housing 120 and first end 111 more preferable, so as to
Improve the buffering effect of bolster 130.
It is understood that being provided with glade plane space between outer housing 120 and charging probe ontology 110.Specifically, should
Gap refers to that the diameter for the part that charging probe ontology 110 is set in outer housing 120 is less than the internal diameter of outer housing 120, and two
Person is always coaxially disposed.In this way, charging probe ontology can be made when first end 111 and pole 210 insufficient contact of block of battery
It is arranged in outer housing 120 to 110 relative tilts, so that charging probe ontology 110 be made always to connect with 210 face of pole block of battery
Touching is electrically connected stability with improve charging probe ontology 110 and the pole block 210 of battery.
In some embodiments, charging probe 100 further include: by the first fixed fixed mechanism of outer housing 120 and will fill
The second fixed mechanism that the electric connecting sheet of discharge equipment is combined with charging probe ontology 110.
Thus, it is possible to which outer housing 120 is fixed on the region for being provided with charging probe 100 by the second fixed mechanism
On peripheral parts, to be defined to the position of outer housing 120, to allow bolster 130 in the pole block 210 of battery
Compressed under promotion, with improve battery pole block 210 and first end 111 connective stability under the premise of, can be effectively
Charging probe ontology 110 is avoided to damage；And the pole block 210 of charging/discharging apparatus and battery can be connected by the second fixed mechanism
Component, that is, electric connecting sheet be fixed on charging probe ontology 110, so as to improve charging/discharging apparatus and charging probe ontology
110 connective stability.
In specific embodiment shown in Fig. 1, the first fixed mechanism includes: that the first fixture nut 140 and second is fixed
Nut 150, the first fixture nut 140 and the second fixture nut 150 are set in the periphery on outer housing 120 and with outer housing 120
Face is threadedly engaged, and the first fixture nut 140 and the second fixture nut 150 are in 111 side of first end far from charging probe ontology 110
It is sequentially distributed upwards.
Specifically, the outer peripheral surface of outer housing 120 is at least partially provided with external screw thread, 140 He of the first fixture nut
Second fixture nut 150 is arranged on the external screw thread of outer housing 120, and is suitable for being threadedly engaged with external screw thread, and then make first
Fixture nut 140 is arranged far from second end 112, and the second fixture nut 150 is arranged adjacent to second end 112, and makes the first fixed spiral shell
Mother 140 and the second fixture nut 150 interval are arranged, so as to which first the first fixture nut 140 is installed on outer housing 120,
And then outer housing 120 is set to pass through the through-hole for the component that charging probe 100 is fixed, then the second fixture nut 150 is installed
Onto outer housing 120, to be fixedly clamped the portion of charging probe 100 by the first fixture nut 140 and the second fixture nut 150
Part, to effectively improve the connective stability of charging probe 100 Yu peripheral parts.
It is understood that in some embodiments, the first fastening bolt is relatively fixed after being installed on outer housing 120
It is motionless, by tightening the second fastening bolt to carry out fastening the applicable and lesser charging probe 100 of 111 diameter of first end, another
In some embodiments, the second fastener is fixed on outer housing 120, and relatively fixed motionless, and then is fastening spiral shell towards second
The first fastening bolt is tightened on direction where bolt to carry out fastening and be suitable for the charging probe 100 that first end 111 is relatively large in diameter.
As shown in Figure 1, the second end 112 of charging probe ontology 110 is exposed from outer housing 120；Second fixed mechanism includes:
Third fixture nut 160, third fixture nut 160 is set in the second end 112 of charging probe ontology 110 and and charging probe
The second end 112 of ontology 110 is threadedly engaged, and third fixture nut 160 and the second fixture nut 150 are suitable for clamping charging/discharging apparatus
Electric connecting sheet.
Specifically, the second end 112 of charging probe ontology 110 at least partly stretches out outer housing 120, and charging probe sheet
The part that body 110 stretches out outer housing 120 is provided with external screw thread, so that third fixture nut 160 is suitable for and the portion with external threads spiral shell
Line cooperation, so that it is clamped in electric connecting sheet in the plane opposite with the second fixture nut 150 of third fixture nut 160,
So as to effectively improve charging probe 100 to the clamping effect of electric connecting sheet, and it is easy to disassemble.
In Fig. 2 and specific embodiment shown in Fig. 3, the first end 111 of charging probe ontology 110 is formed and battery
What pole block 210 cooperated only supports face 1111, and charging probe 100 further includes contact terminal 1112, contact terminal 1112 and charging probe
111 elasticity of first end of ontology 110 is only supported, and in its natural state, the protrusion of contact terminal 1112 only supports face 1111.As a result, one
Aspect, first end 111 only support face 1111 suitable for the surface face contact with the pole block 210 of battery, so as to improve the two
On the other hand elastic component is arranged between contact terminal 1112 and first end 111, so that contact terminal in the stability of electrical connection
1112 always protrusion with only support face 1111, so as to further improve being electrically connected for first end 111 and the pole block 210 of battery
Stability.
Certainly, the structure of the contact terminal 1112 of the present embodiment is without being limited thereto, in further embodiments, contact terminal
1112 are formed in and only support on face 1111, and protrude and only support face 1111, and matching insert is provided on the pole block 210 of battery
Slot, contact terminal 1112 are adapted for insertion into the slot so that first end 111 with the pole block 210 of battery is stable is electrically connected.
In some embodiments, the gas source being connected with cooling duct 113 is provided in second end 112.It is understood that
Gas source is at least connect with a heat exchanger or condenser, so as to which cooling medium cools down, and then can be incited somebody to action by gas source
The lower cooling medium of temperature is imported into cooling duct 113, to be effectively reduced the pole block of charging probe 100 and battery
The temperature in the region where 210 improves the working environment of battery and charging probe 100, to improve battery and charging probe
100 job stability.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, " fisrt feature ", " second feature " may include one or more of the features.
In the description of the present invention, the meaning of " plurality " is two or more.
In the description of the present invention, fisrt feature may include the first and second spies in second feature " on " or " under "
Sign directly contacts, and also may include that the first and second features are not direct contacts but are connect by the other feature between them
Touching.
In the description of the present invention, fisrt feature includes fisrt feature above the second feature " above ", " above " and " above "
Right above second feature and oblique upper, or first feature horizontal height is merely representative of higher than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of charging probe (100) characterized by comprising charging probe ontology (110), the charging probe ontology
(110) there is the first end (111) contacted with the pole block (210) of battery and the second end (112) connecting with charging/discharging apparatus, institute
It states and is provided with cooling duct (113) between first end (111) and the second end (112).
2. charging probe (100) according to claim 1, which is characterized in that further include: outer housing (120), the shell
Body (120) is set on the charging probe ontology (110), and the charging probe ontology (110) is slidably disposed on institute
It states on outer housing (120).
3. charging probe (100) according to claim 2, which is characterized in that the charging probe ontology (110) it is described
First end (111) is exposed from the outer housing (120)；
The charging probe (100) further include: bolster (130), one end of the bolster (130) and the charging probe sheet
The first end (111) of body (110) is connected, and the other end of the bolster (130) is connected with the outer housing (120) portion.
4. charging probe (100) according to claim 3, which is characterized in that the charging probe ontology (110) it is described
It is provided in first end (111) first flange (114), is provided with second flange (121) on the outer housing (120), it is described slow
The both ends of stamping (130) are only against between the first flange (114) and the second flange (121) respectively.
5. charging probe (100) according to claim 2, which is characterized in that the outer housing (120) and the charging are visited
Needle ontology is provided with glade plane space between (110).
6. charging probe (100) according to claim 2, which is characterized in that further include: the outer housing (120) are solid
Fixed the first fixed mechanism and the electric connecting sheet of the charging/discharging apparatus and the charging probe ontology (110) are combined second
Fixed mechanism.
7. charging probe (100) according to claim 6, which is characterized in that first fixed mechanism includes: first solid
Determine nut (140) and the second fixture nut (150), first fixture nut (140) and second fixture nut (150) set
It is located on the outer housing (120) and is threadedly engaged with the outer peripheral surface of the outer housing (120), first fixture nut
(140) and second fixture nut (150) is in the first end (111) direction far from the charging probe ontology (110)
On be sequentially distributed.
8. charging probe (100) according to claim 7, which is characterized in that the charging probe ontology (110) it is described
Second end (112) is exposed from the outer housing (120)；
Second fixed mechanism includes: third fixture nut (160), and the third fixture nut (160) is set in described fill
The second end (112) in the second end (112) of electric probe ontology (110) and with the charging probe ontology (110)
It is threadedly engaged, the third fixture nut (160) and second fixture nut (150) are suitable for clamping the charging/discharging apparatus
Electric connecting sheet.
9. charging probe (100) according to claim 1, which is characterized in that the charging probe ontology (110) it is described
First end (111), which is formed, only supports face (1111) with what the pole block (210) of battery cooperated, and the charging probe (100) further includes connecing
Contravention (1112), the first end (111) elasticity of the contact terminal (1112) and the charging probe ontology (110) are stopped
It supports, and in its natural state, contact terminal (1112) protrusion is described only to support face (1111).
10. charging probe (100) according to claim 1, which is characterized in that be provided on the second end (112) with
The connected gas source of the cooling duct (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620582.8A CN109713389A (en) | 2018-12-28 | 2018-12-28 | Charging probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620582.8A CN109713389A (en) | 2018-12-28 | 2018-12-28 | Charging probe |
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| Publication Number | Publication Date |
|---|---|
| CN109713389A true CN109713389A (en) | 2019-05-03 |
Family
ID=66258920
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620582.8A Pending CN109713389A (en) | 2018-12-28 | 2018-12-28 | Charging probe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021120146A1 (en) | 2021-08-03 | 2023-02-09 | F I X T E S T Prüfmittelbau GmbH | contact pin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021120146A1 (en) | 2021-08-03 | 2023-02-09 | F I X T E S T Prüfmittelbau GmbH | contact pin |
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Address after: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province Applicant after: SVOLT Energy Technology Co.,Ltd. Address before: 213200 No. 168 Huacheng Middle Road, Jintan District, Suzhou City, Jiangsu Province Applicant before: SVOLT Energy Technology Co.,Ltd. |
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Application publication date: 20190503 |