CN208173730U - Battery charging and discharging fixture - Google Patents
Battery charging and discharging fixture Download PDFInfo
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- CN208173730U CN208173730U CN201820760350.1U CN201820760350U CN208173730U CN 208173730 U CN208173730 U CN 208173730U CN 201820760350 U CN201820760350 U CN 201820760350U CN 208173730 U CN208173730 U CN 208173730U
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- fixture
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- top electrode
- lower cover
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of battery charging and discharging fixtures,Belong to solid-state,All-solid-state battery testing field,Solves the technical issues of existing charge and discharge electric clamp does not influence test result precisely to test material application pressure,Its key points of the technical solution are that,Including fixture lower cover and fixture cover,Fixture cover is provided with through-hole up and down,Top electrode is slidably fitted in the through-hole of fixture cover,The lower electrode opposite with top electrode is provided on lid under fixture,Through-hole is equipped with the preload extension bar with the cooperation of the inner thread of fixture cover far from one end of fixture lower cover,The center line for pre-tightening extension bar and top electrode is located along the same line,Extension bar, which is pre-tightened, by rotation applies pressure to top electrode,A kind of battery charging and discharging fixture disclosed by the utility model,The pressure being applied in test material can accurately be controlled,And fixture good leak tightness,It can guarantee the test atmosphere of material,It may insure that the test material sensitive to environment also can be in proper testing under air environment with the fixture.
Description
Technical field
The utility model relates to solid-state, all-solid-state battery test device, in particular to a kind of battery charging and discharging fixture.
Background technique
Lithium battery has just made it since emerging with the advantages that good cycle, service life length, high, environmentally protective energy density
It comes into vogue on the market rapidly, but because existing lithium battery uses organic liquid electrolytes, waits safeties to ask there are inflammable and explosive
Topic.Compared to existing liquid lithium battery, solid-state, solid lithium battery technology are the existing high-energy densities of most potential substitution
The candidate technologies of lithium battery, solid-state, the energy density of solid lithium battery are expected to 2~5 times that reach existing lithium battery, cyclicity
With military service longer life expectancy, high rate performance is higher, can inherently solve the safety issue of existing liquid electrolyte lithium battery.Cause
This, solid-state, solid lithium battery technology receive more and more attention, and each scientific research institutions and enterprise are to solid-state, all solid lithium
The research and development of battery progress just like a raging fire.
In the prior art for solid-state, a kind of charge and discharge electric clamp in all-solid-state battery field, using knot as shown in Figure 1
Structure has upper clamp plate 11 and lower clamp plate 12, and the middle position of upper clamp plate 11 is provided with positive electrode 13, be provided on lower clamp plate 12 with
The opposite negative electrode 14 of positive electrode 13, two clamping plates are fixed by multiple along the bolt that clamping plate is circumferentially arranged, wherein lower clamp plate 12
For being provided with ambroin set 15 in wearing the perforation of bolt, bolt and lower clamp plate 12 are separated, and is covered on negative electrode 14
Equipped with insulation sleeve 16；In test, insulation sleeve 16 is first moved to positive electrode 13 close to one end of negative electrode 14, battery will be made
Test material, that is, solid electrolyte be placed in insulation sleeve 16, and positive electrode 13 is plugged in insulation sleeve 16 and is connected to test
Material, tightening nut applies pressure to test material by positive electrode 13 and negative electrode 14 at this time, especially due to test material
Sulfide type solid electrolyte can in air water and oxygen react and influence the performance of test material, material will be tested
Material installation to the movement between two electrodes is to complete in the glove box full of inert gas, while cover is also needed in glove box
If seal closure further to seal fixture, finally takes out the test for installing the fixture of test material and carrying out charge and discharge.
Since upper clamp plate 11 and lower clamp plate 12 are to be screwed by multiple screw bolt and nut to positive electrode 13 and negative electrode 14
Between test material apply pressure, multiple nuts dynamics when screwing is difficult to grasp, so that being located at positive electrode 13 and negative
Test material discontinuity between electrode 14 causes test result inaccurate, and therefore, there is also rooms for improvement.
Utility model content
The purpose of the utility model is to provide battery charging and discharging fixture, can accurately control the pressure that is applied on battery with
And make test material uniform force in test.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of battery charging and discharging fixture, it is described including fixture lower cover and the fixture cover for being removably connected to fixture lower cover
Fixture cover is provided with through-hole up and down, and the top electrode that can be slid up and down, institute are provided in the through-hole of the fixture cover
It states and is provided with the lower electrode opposite with top electrode on lid under fixture, the through-hole is equipped with far from one end of fixture lower cover and fixture
The center line of the preload extension bar of the inner thread cooperation of upper cover, the preload extension bar and top electrode is located along the same line,
And extension bar is pre-tightened by rotation and applies pressure to top electrode.
Using the above scheme, rotating preload extension bar by torque spanner makes to pre-tighten extension bar to top electrode application one downwards
Power, pressure suffered by the test material between top electrode and lower electrode can be measured according to torque spanner, convenient for accurate control
The pressure and battery uniform force being applied on battery are made, so that test result is more accurate.
Preferably, the fixture cover is provided with the first expanding chamber far from one end of the fixture lower cover in through-hole, the
Form first step between one expanding chamber and through-hole, this first it is expanding it is intracavitary be provided with seal assembly, upper seal assembly includes
Gland is embedded at the elasticity between the clamping sleeve and the first step in the described first expanding intracavitary clamping sleeve and elasticity
Sealing element is connected through a screw thread between the periphery of clamping sleeve and the first expanding cavity wall, and it is logical that clamping sleeve is provided with center
Hole, the preload extension bar are arranged in the central through hole.
Using the above scheme, move clamping sleeve to elastic sealing element by rotatably compressing set, to elastic sealing element axial direction
It squeezes, elastic sealing element is radially expanded that deformation occurs under the action of by axial force, to reach sealing effect, so that on fixture
Chamber good leak tightness between lid and fixture lower cover, the fixture that test material is installed in glove box can make in air
With.
Preferably, the upper seal assembly further includes being set between the clamping sleeve and the elastic sealing element to be arranged
There is sealed pressure ring.
Using the above scheme, it by the way that sealed pressure ring is arranged between clamping sleeve and elastic sealing element, can prevent from compressing
Set scratches elastic sealing element；And when the wall thickness of clamping sleeve is greater than the thickness of elastic sealing element, it can be incited somebody to action by sealed pressure ring
Power is transferred to elastic sealing element well and makes elastic sealing element stress deformation occurs and plays good sealing effect.
Preferably, being provided with preload steel tape between the top electrode and the preload extension bar.
Using the above scheme, the setting for pre-tightening steel tape avoids preload extension bar and directly contacts with top electrode, slows down
The stress condition of top electrode, and pre-tighten steel tape and be made of non-conductive material, preload extension bar can be touched to avoid personnel
When get an electric shock, the loss of electric energy when also can reduce test further increases the accuracy of test.
Preferably, the preload extension bar close to one end of top electrode convex globoidal or the conical surface outside center line.
Using the above scheme, the cambered surface or the conical surface of evagination, purpose are all to fall in the point of application for pre-tightening extension bar
On the center line of electrode, avoids as caused by mismachining tolerance reinforcing boom end out-of-flatness and makes the unbalance stress of test material,
To improve the accuracy of test material test.
Preferably, the fixture cover is provided with the second expanding chamber far from one end of the fixture lower cover in through-hole, the
Two it is expanding it is intracavitary be provided with electrode positioning ring, the top electrode is actively located in the inner ring of electrode positioning ring, and top electrode
Lower end stretch out the lower end of electrode positioning ring and the lower electrode cooperates, be arranged on the inner wall of electrode positioning ring it is restricted it is described on
Electrode is detached from downwards the limiting section of fixture cover.
Using the above scheme, by the setting of electrode positioning ring, keep top electrode sliding in the inner ring of electrode positioning ring
It moves, but can not deviate from out of locating slot, to limit the position of top electrode；It is slid, is convenient in locating slot by top electrode
The spacing between top electrode and lower electrode is adjusted, to adapt to the test material of different-thickness, the scope of application is wider.
Preferably, the mounting groove concentric with through-hole is provided under the fixture on lid, the lower electrode replaceable installation
In in the mounting groove.
Using the above scheme, the setting of mounting groove limits the position of lower electrode, and the detachable installation of lower electrode is convenient for
Lower electrode is replaced, maintenance and use are all more convenient.
Preferably, being provided with the second seal assembly under the fixture on lid, second seal assembly includes being set to
The first closure gasket groove that is upper and being located on the outside of the mounting groove is covered under the fixture and is embedded at the first closure gasket groove bottom
The first elastic seal ring, the sealing with the first closure gasket groove corresponding matching is provided on the lower end surface of the fixture cover
Flange.
Using the above scheme, corresponding in the first closure gasket groove by sealing flange, improve fixture lower cover and folder
Has the firmness of the connection between upper cover, the setting of the first elastic seal ring ensure that fixture cover and fixture lower cover are formed by
Good airproof performance in chamber has completely cut off aqueous vapor and oxygen in air and has entered the intracorporal possibility of chamber.
Preferably, second seal assembly further includes the second elastic packing being sheathed on the outside of the sealing flange
It encloses, is equipped with the second sealing ring accommodated for the second elastic seal ring under the fixture on lid on the outside of the first closure gasket groove
Slot, second elastic seal ring is greater than the depth of second closure gasket groove along the axial width of the sealing flange, described
Elastic deformation occurs for second elastic seal ring after fixture cover and the fixture lower cover are fixedly mounted.
Using the above scheme, the second elastic sealing element further ensures fixture cover and fixture lower cover is formed by chamber
Leakproofness, the fixture that test material is installed in glove box can be used directly under air environment, so that the battery charge and discharge
Electrical testing can carry out under air environment.
Preferably, being provided with the first insulating layer in the mounting groove of the fixture lower cover, the outer side ring of the mounting groove is set
There is metallic channel, the first conducting wire and the second conducting wire for being connected to and testing required both ends of power are provided in the metallic channel, it is described to lead
One end of wire casing is connected in mounting groove and its first conductive contact being electrically connected with the first conducting wire is connected to the lower electrode；Institute
The other end for stating metallic channel is provided with the second conductive contact for being in electrical communication with the second conducting wire, under second conductive contact and fixture
Second insulating layer is provided between lid, the other end of second conductive contact is connected to the electrode positioning ring, and the electricity
The conductive layer for being connected to the second conductive contact is provided on the positioning ring of pole, the conductive layer is connected to the top electrode.
Using the above scheme, by the setting of conductive layer, the first insulating layer, second insulating layer etc., it ensure that top electrode
Under the premise of being normally electrically connected with lower electrode, conducting wire occupies little space, is routed simply, and does not influence fixture cover and folder
Tool lower cover is formed by cavity seal.
In conclusion the utility model has the advantages that：
1. the pressure being applied in test material can accurately be controlled by torque spanner by the setting for pre-tightening extension bar,
Accurate testing is good；
2. by the setting of upper seal assembly and the second seal assembly, so that fixture cover and fixture lower cover are formed by
Cavity seal is good, and the fixture that test material is installed in glove box can be in normal use under air environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of charge and discharge electric clamp in the prior art；
Fig. 2 is the structural schematic diagram of battery charging and discharging fixture in the present embodiment；
Fig. 3 is the diagrammatic cross-section of battery charging and discharging fixture in the present embodiment；
Fig. 4 is the perspective view of the explosion of battery charging and discharging fixture in the present embodiment；
Fig. 5 is the structural schematic diagram of fixture lower cover in the present embodiment；
Fig. 6 is the structural schematic diagram of electrode positioning ring in the present embodiment；
Fig. 7 is the enlarged diagram in Fig. 3 at A.
In figure：11, upper clamp plate；12, lower clamp plate；13, positive electrode；14, negative electrode；15, ambroin set；16, insulation sleeve；
2, fixture lower cover；21, mounting groove；211, the first insulating layer；22, metallic channel；221, the first conductive contact；222, the second conductive touching
Point；23, second insulating layer；24, lower fixed edge；241, positioning protrusion；3, fixture cover；31, through-hole；32, the first expanding chamber；
321, retaining ring；33, the second expanding chamber；34, sealing flange；35, upper fixed edge；351, positioning groove；4, top electrode；41, electrode
Column；42, positioning round table；5, lower electrode；6, extension bar is pre-tightened；61, steel tape is pre-tightened；611, compressor body；71, clamping sleeve；
711, central through hole；712, edge is positioned；713, card slot；72, elastic sealing element；73, sealed pressure ring；8, electrode positioning ring；81,
Conductive layer；82, limiting section；83, limiting slot；91, the first closure gasket groove；92, the first elastic seal ring；93, the second closure gasket groove；
94, the second elastic seal ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of battery charging and discharging fixture disclosed in the present embodiment, as shown in Fig. 2, including 2 He of fixture lower cover of upper and lower covers dress
Fixture cover 3.
In conjunction with shown in Fig. 3 and Fig. 4, fixture cover 3 is provided with through-hole 31 up and down, and 31 lower end of through-hole is expanding to form the
Two expanding chambers 33, electrode positioning ring 8 is provided in the second expanding chamber 33, and electrode positioning ring 8 is hollow columnar setting, electrode positioning
It is slided up and down in the inner ring of ring 8 and is provided with top electrode 4, the inner ring lower end of electrode positioning ring 8 is provided with the limit of inside annular protrusion
Position portion 82, top electrode 4 include electrode column 41 and the positioning round table 42 for being integrally connected to 41 top of electrode column, and electrode column 41 passes through
The center of limiting section 82, positioning round table 42 are limited in 8 inner ring of electrode positioning ring of the top of limiting section 82, and top electrode 4 can be
Sliding up and down in electrode positioning ring 8；To avoid top electrode 4 from shaking in the inner ring of electrode positioning ring 8, setting positioning round table 42
Lateral wall is connected to the inner sidewall of electrode positioning ring 8.
It is provided with the mounting groove 21 concentric with through-hole 31 on fixture lower cover 2, is provided in mounting groove 21 opposite with top electrode 4
Lower electrode 5；Through-hole 31 is equipped with far from one end of fixture lower cover 2 and reinforces with the preload of the inner thread of fixture cover 3 cooperation
Bar 6, the top for pre-tightening extension bar 6 stretches out in the upper surface of fixture cover 3, and can be screwed by torque spanner, pre-tightens and adds
Power bar 6 and the center line of top electrode 4 are located along the same line, and pre-tighten extension bar 6 by rotation and apply pressure to top electrode 4.
In order to avoid top electrode 4 is damaged, and guarantee that 4 pressure of top electrode is uniform, in top electrode 4 and pre-tightens reinforcing
It is provided between bar 6 and pre-tightens steel tape 61, and pre-tightened extension bar 6 and be connected to the one end for pre-tightening steel tape 61 convex arc outside center line
Face or the conical surface pre-tighten 6 point of application disalignment of extension bar to avoid influencing due to mismachining tolerance.
The lateral wall for pre-tightening steel tape 61 is connected on the inner ring side wall of electrode positioning ring 8, pre-tightens the outside of steel tape 61
Wall is disposed radially there are two compressor body 611, and electrode positioning ring 8 on one end side wall far from limiting section 82 there are two open up
Limiting slot 83 corresponding with compressor body 611, the sliding of compressor body 611 is installed in limiting slot 83, to limit preload steel tape
61 rotations.
Fixture cover 3 is provided with the first expanding chamber 32 far from one end of fixture lower cover 2 in through-hole 31, the first expanding chamber 32 with
Form first step between through-hole 31, be provided with seal assembly in the first expanding chamber 32, upper seal assembly include gland in
Clamping sleeve 71 and elasticity in first expanding chamber 32 are embedded at the elastic sealing element 72 between clamping sleeve 71 and first step, compress
It is connected through a screw thread between the periphery and the first expanding 32 inner wall of chamber of set 71, clamping sleeve 71 is provided with central through hole 711, pre-tightens
Extension bar 6 is arranged in the central through hole 711.The shape of elastic sealing element 72 can be ring, ellipse circle, square ring
Deng, but it is also not necessarily limited to this several shape, and preferably fluorine glue sealing ring, to prevent aqueous vapor and oxygen in air etc. from entering folder
Tool upper cover 3 and fixture lower cover 2 are formed by cavity.
The top of clamping sleeve 71 is provided with the positioning for being connected to 3 upper surface of fixture cover along 712, and positioning is convenient for work along 712
It takes as personnel and clamping sleeve 71 and screws installation in fixture cover 3, and position and open up that there are two for fastening work along 712 upper end
Has fixed card slot 713, so that staff can screw clamping sleeve 71 by tool.
Upper seal assembly further includes the sealed pressure ring 73 between clamping sleeve 71 and elastic sealing element 72, the first expanding chamber 32
Lower end cavity wall on inwardly annular protrusion be provided with retaining ring 321, elastic sealing element 72 is located on retaining ring 321 and pre-tightens extension bar 6
Between, the inner ring of sealed pressure ring 73 is connected to the lateral wall for pre-tightening extension bar 6 and is similarly positioned in retaining ring 321 and pre-tightens extension bar
Between 6, the axial height of sealed pressure ring 73 is more than or equal to the thickness of retaining ring 321.
In conjunction with shown in Fig. 4 and Fig. 5, the slot bottom and side wall of the mounting groove 21 of fixture lower cover 2 are provided with the first insulating layer 211,
The outside of mounting groove 21 is equipped with metallic channel 22, and the side of mounting groove 21 offers the first notch and makes metallic channel 22 and mounting groove
21 connections, and the second notch corresponding with the first notch is provided on the first insulating layer 211, it is equipped with and is connected in metallic channel 22
First conducting wire of power cathode and the second conducting wire for being connected to positive pole, one end of the first conducting wire are electrically connected with the first conductive touching
Point 221, the first conductive contact 221 is located at the first indentation, there and abuts against with lower electrode 5.
The other end of metallic channel 22 is provided with the second conductive contact 222 for being in electrical communication with the second conducting wire and in fixture lower cover 2
On be provided with groove for the accommodating of the second conductive contact 222, the bottom of groove is provided with second insulating layer 23, by the second conduction
Contact 222 is separated with fixture lower cover 2.
In conjunction with shown in Fig. 5 and Fig. 6, the other end of the second conductive contact 222 is connected to electrode positioning ring 8, electrode positioning ring 8
On be provided with the conductive layer 81 for being connected to conductive contact, and on conductive layer 81 extends and is connected to along the inner wall of electrode positioning ring 8
Electrode 4 passes through top electrode 4 and lower electrode 5（Wherein top electrode 4 and lower electrode 5 are as shown in Figure 4）It is separately connected with voltage difference
Anode and cathode realize the charge-discharge test for the test material being located between two electrodes；Wherein the first insulating layer 211 and second
Insulating layer 23 can be insulating coating, or insulating film etc.；The slot bottom of metallic channel 22 is provided with perforation, the first conducting wire and
Two conducting wires are pierced by out of perforation, and the first conducting wire and the second conducting wire are fixedly mounted in perforation by sealant, when test
The first conducting wire being pierced by and the second conducting wire are connected respectively in the test both ends of power with pressure difference.
As shown in figure 3, the bottom of fixture cover 3 is outward extended with fixation along 35, fixture lower cover 2 is outward extended with lower solid
It is fixed that along 24, upper fixation is arranged with multiple perforation along 35 and lower fixation along 24 circumferencial direction, be equipped in perforation bolt with
Fixture cover 3 and fixture lower cover 2 is fixed, and bolt need to only screw herein, not interfere with the stress condition of test material.
In conjunction with shown in Fig. 3 and Fig. 7, due to the second insulating layer 23 on the conductive layer 81 and fixture lower cover 2 of electrode positioning ring 8
It is corresponding, 24 upper surface is provided with positioning protrusion 241 in lower fixation, it is corresponding to be provided with along 35 for convex in upper fixation
The positioning groove 351 of 241 clampings is played, in order to contraposition installation when staff's use.
The second seal assembly is provided on fixture lower cover 2, the second seal assembly includes being set on fixture lower cover 2 and being located at
First closure gasket groove 91 in 21 outside of mounting groove and the first elastic seal ring 92 for being embedded at 91 bottom of the first closure gasket groove,
The sealing flange 34 with 91 corresponding matching of the first closure gasket groove is provided on the lower end surface of fixture cover 3；
Second seal assembly further includes the second elastic seal ring 94 for being sheathed on the outside of sealing flange 34, on fixture lower cover 2
It is equipped with the second closure gasket groove 93 for the accommodating of the second elastic seal ring 94 in the outside of the first closure gasket groove 91, the second elasticity is close
Seal 94 is greater than the depth of the second closure gasket groove 93 along the axial width of sealing flange 34, and fixture cover 3 and fixture lower cover 2 are fixed
Elastic deformation occurs for the second elastic seal ring 94 after installation；Wherein the first elastic seal ring 92 and the second elastic seal ring 94 are adopted
It is sealed with the optimal fluorine glue sealing ring of vacuum sealing effect, fixture cover 3 is entered with the aqueous vapor and oxygen that completely cut off in air
In the chamber formed between fixture lower cover 2.
After the installation to fixture cover 3 such as electrode positioning ring 8, top electrode 4, test material need to be only placed in glove box
On lower electrode 5, fixture cover 3 is covered, so that test material is located between top electrode 4 and lower electrode 5, then screws folder with bolt
Have upper cover 3 and fixture lower cover 2, certain pressure is applied to battery with extension bar 6 is pre-tightened, then screwing clamping sleeve 71 can be by fixture
It takes and carries out charge-discharge test in air；The utility model can accurately control the pressure being applied on battery by torque spanner,
And fixture good leak tightness, it is ensured that the test atmosphere of material may insure the test sensitive to environment with the fixture
Material also can be in proper testing under air environment.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of battery charging and discharging fixture, it is characterized in that：Including fixture lower cover（2）Be removably connected to fixture lower cover（2）'s
Fixture cover（3）, the fixture cover（3）It is provided with through-hole up and down（31）, the fixture cover（3）Through-hole（31）
Inside slidably it is vertically disposed with top electrode（4）, the fixture lower cover（2）On be provided with and top electrode（4）Opposite lower electrode
（5）, the through-hole（31）Far from fixture lower cover（2）One end be equipped with and fixture cover（3）Inner thread cooperation preload
Extension bar（6）, the preload extension bar（6）With top electrode（4）Center line be located along the same line, and by rotation pre-tighten plus
Power bar（6）Apply pressure to top electrode（4）.
2. battery charging and discharging fixture according to claim 1, it is characterized in that：The fixture cover（3）In through-hole（31）Far
From the fixture lower cover（2）One end be provided with the first expanding chamber（32）, the first expanding chamber（32）With through-hole（31）Between formed
First step, the first expanding chamber（32）It is inside provided with seal assembly, upper seal assembly includes that gland is expanding in described first
Chamber（32）Interior clamping sleeve（71）The clamping sleeve is embedded at elasticity（71）Elastic sealing element between the first step
（72）, clamping sleeve（71）Periphery and the described first expanding chamber（32）It is connected through a screw thread between inner wall, clamping sleeve（71）If
It is equipped with central through hole（711）, the preload extension bar（6）It is arranged in the central through hole（711）.
3. battery charging and discharging fixture according to claim 2, it is characterized in that：The upper seal assembly further includes being set to institute
State clamping sleeve（71）With the elastic sealing element（72）Between be provided with sealed pressure ring（73）.
4. battery charging and discharging fixture according to claim 1, it is characterized in that：The top electrode（4）It is reinforced with the preload
Bar（6）Between be provided with preload steel tape（61）.
5. battery charging and discharging fixture according to claim 1, it is characterized in that：The preload extension bar（6）Close to top electrode
（4）One end outside center line convex globoidal or the conical surface.
6. battery charging and discharging fixture according to claim 4, it is characterized in that：The fixture cover（3）In through-hole（31）Far
From the fixture lower cover（2）One end be provided with the second expanding chamber（33）, the second expanding chamber（33）Inside it is provided with electrode positioning ring
（8）, the top electrode（4）It is actively located in electrode positioning ring（8）Inner ring in, and top electrode（4）Lower end stretch out electrode
Positioning ring（8）Lower end and the lower electrode（5）Cooperation, electrode positioning ring（8）Inner wall on the restricted top electrode is set
（4）It is detached from fixture cover downwards（3）Limiting section（82）.
7. battery charging and discharging fixture according to claim 6, it is characterized in that：The fixture lower cover（2）On be provided with and lead to
Hole（31）Concentric mounting groove（21）, the lower electrode（5）It is removably mounted to the mounting groove（21）It is interior.
8. battery charging and discharging fixture according to claim 7, it is characterized in that：The fixture lower cover（2）On be provided with second
Seal assembly, second seal assembly include being set to the fixture lower cover（2）It goes up and is located at the mounting groove（21）Outside
The first closure gasket groove（91）And it is embedded at first closure gasket groove（91）First elastic seal ring of bottom（92）, the folder
Has upper cover（3）Lower end surface on be provided with and first closure gasket groove（91）The sealing flange of corresponding matching（34）.
9. battery charging and discharging fixture according to claim 8, it is characterized in that：Second seal assembly further includes being sheathed on
The sealing flange（34）Second elastic seal ring in outside（94）, the fixture lower cover（2）On in the first closure gasket groove（91）
Outside be equipped with for the second elastic seal ring（94）Second closure gasket groove of accommodating（93）, second elastic seal ring（94）
Along the sealing flange（34）Axial width be greater than second closure gasket groove（93）Depth, the fixture cover（3）With
The fixture lower cover（2）Second elastic seal ring after fixed installation（94）Elastic deformation occurs.
10. battery charging and discharging fixture according to claim 6, it is characterized in that：The fixture lower cover（2）Mounting groove（21）
Inside it is provided with the first insulating layer（211）, the mounting groove（21）Outside be equipped with metallic channel（22）, the metallic channel（22）It is interior
It is provided with the first conducting wire and the second conducting wire for being connected to and testing required both ends of power, the metallic channel（22）One end be connected to peace
Tankage（21）Interior and its first conductive contact for being electrically connected with the first conducting wire（221）It is connected to the lower electrode（5）；The conducting wire
Slot（22）The other end be provided with the second conductive contact for being in electrical communication with the second conducting wire（222）, second conductive contact（222）
With fixture lower cover（2）Between be provided with second insulating layer（23）, second conductive contact（222）The other end be connected to it is described
Electrode positioning ring（8）, and the electrode positioning ring（8）On be provided with and be connected to the second conductive contact（222）Conductive layer（81）,
The conductive layer（81）It is connected to the top electrode（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820760350.1U CN208173730U (en) | 2018-05-21 | 2018-05-21 | Battery charging and discharging fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820760350.1U CN208173730U (en) | 2018-05-21 | 2018-05-21 | Battery charging and discharging fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173730U true CN208173730U (en) | 2018-11-30 |
Family
ID=64363767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820760350.1U Active CN208173730U (en) | 2018-05-21 | 2018-05-21 | Battery charging and discharging fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208173730U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434688A (en) * | 2018-12-19 | 2019-03-08 | 北京沃尔德金刚石工具股份有限公司 | Fixture for grinding machine |
| CN111697280A (en) * | 2020-06-22 | 2020-09-22 | 清华大学 | Battery device capable of monitoring electrode stress change in real time, battery adopting device and application of device |
| CN112687962A (en) * | 2020-12-28 | 2021-04-20 | 中国第一汽车股份有限公司 | Battery preparation device and battery preparation method |
| CN113725494A (en) * | 2021-08-26 | 2021-11-30 | 中汽创智科技有限公司 | Battery preparation and charge-discharge test fixture, use method and application |
| CN113804926A (en) * | 2021-09-13 | 2021-12-17 | 中汽创智科技有限公司 | Battery clamp device, preparation and test method and application |
| CN113804926B (en) * | 2021-09-13 | 2024-06-07 | 中汽创智科技有限公司 | Battery clamp device, preparation test method and application |
-
2018
- 2018-05-21 CN CN201820760350.1U patent/CN208173730U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109434688A (en) * | 2018-12-19 | 2019-03-08 | 北京沃尔德金刚石工具股份有限公司 | Fixture for grinding machine |
| CN109434688B (en) * | 2018-12-19 | 2024-05-03 | 北京沃尔德金刚石工具股份有限公司 | Grinding machine fixture |
| CN111697280A (en) * | 2020-06-22 | 2020-09-22 | 清华大学 | Battery device capable of monitoring electrode stress change in real time, battery adopting device and application of device |
| CN112687962A (en) * | 2020-12-28 | 2021-04-20 | 中国第一汽车股份有限公司 | Battery preparation device and battery preparation method |
| CN112687962B (en) * | 2020-12-28 | 2022-05-17 | 中国第一汽车股份有限公司 | Battery preparation device and battery preparation method |
| CN113725494A (en) * | 2021-08-26 | 2021-11-30 | 中汽创智科技有限公司 | Battery preparation and charge-discharge test fixture, use method and application |
| CN113804926A (en) * | 2021-09-13 | 2021-12-17 | 中汽创智科技有限公司 | Battery clamp device, preparation and test method and application |
| CN113804926B (en) * | 2021-09-13 | 2024-06-07 | 中汽创智科技有限公司 | Battery clamp device, preparation test method and application |
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