CN205639741U - A relief valve and battery test equipment for battery test equipment - Google Patents
A relief valve and battery test equipment for battery test equipment Download PDFInfo
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- CN205639741U CN205639741U CN201620246234.9U CN201620246234U CN205639741U CN 205639741 U CN205639741 U CN 205639741U CN 201620246234 U CN201620246234 U CN 201620246234U CN 205639741 U CN205639741 U CN 205639741U
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- relief valve
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- compressing member
- battery
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Abstract
The utility model relates to a battery safety test device field discloses a relief valve and battery test equipment for battery test equipment, and this battery test equipment is including being formed with equipment casing (3) of test chamber (31), the relief valve includes: disk seat (51), this disk seat (51) are run through center -aisle (511) that are formed with and can be connected to equipment casing (3), diaphragm (52), this diaphragm (52) set up to cutting off the intercommunication of center -aisle (511) to, this diaphragm (52) can when reaching the setting value, the pressure differential at center -aisle (511) both ends breaks under this pressure differential effect. In battery test procedure, when battery test equipment test chamber (31) atmospheric pressure rose to the setting value, broke diaphragm (52) to test chamber (31) release pressure can be made, this test chamber (31) acceptable maximum pressure is injectd.
Description
Technical field
This utility model relates to cell safety test device, sets in particular it relates to a kind of for battery testing
Standby relief valve.Additionally, this utility model further relates to a kind of battery test apparatus being provided with described relief valve.
Background technology
Battery (including single cell of thermo and set of cells, lithium ion battery etc.) is likely to be at not in use
In same working environment, thus show different performances.Such as, at the extreme shape such as high temperature and/or high pressure
Under condition, in fact it could happen that excessively put, mistake punching etc. causes damaging the reversible phenomenon of battery and occur, and the most directly leads
Cause battery explosion, threaten user security.Therefore, battery typically required before coming into operation and carries out safety
Property test.
Traditional battery security test mainly include acupuncture, extrude, impact etc., i.e. fill at tested battery
Under the state of full electricity, utilize the press member such as steel nail, rod iron, extrusion equipment or equipment to pierce through, impact,
Extrude this tested battery, observe whether it occurs the phenomenons such as on fire, blast.
Utility model content
The purpose of this utility model is to provide a kind of relief valve for battery test apparatus, and this relief valve is just
In the maximum pressure that the test chamber setting battery test apparatus is allowed.
To achieve these goals, this utility model provides a kind of relief valve for battery test apparatus,
Described battery test apparatus includes the apparatus casing being formed with test chamber, and described relief valve includes: valve seat,
Center-aisle that this valve seat is formed through also can be connected to described apparatus casing；Diaphragm, this diaphragm sets
It is set to cut off the connection of described center-aisle, and, this diaphragm can be in the pressure at described center-aisle two ends
Difference ruptures when reaching setting value under this differential pressure action.
Preferably, end, one end outer peripheral face of described valve seat is formed for being connected to described apparatus casing
External screw thread.
Preferably, described relief valve also includes the compressing member with annular shape, and this compressing member is connected to institute
In stating valve seat and described diaphragm being fixed to described center-aisle or one end of described valve seat.
Preferably, being formed with step surface in described center-aisle, described compressing member is connected as being resisted against described
So that described diaphragm is fixedly clamped between this compressing member and described step surface on step surface.
Preferably, what the outer rim with described step surface of described center-aisle was adjacent is formed in part with interior spiral shell
Stricture of vagina, described compressing member is formed the external screw thread for being screw-coupled to this female thread.
Preferably, described compressing member is formed with the screw thread dismounting for coordinating with dismantling device and coordinates knot
Structure.
Preferably, described screw thread dismounting fit structure is the most described step surface being formed at described compressing member
End face on yi word pattern groove.
Preferably, at least one in the end face towards this step surface of described step surface and described compressing member
Upper formation concave part, another one is formed the lobe mated with this concave part.
Preferably, the one during described diaphragm is metallic membrane, PP film, PE film.
Additionally, this utility model also provides for a kind of battery test apparatus, this battery test apparatus includes being formed
There is the apparatus casing of test chamber, described apparatus casing connects the relief valve having this utility model to provide, when
When air pressure in described test chamber reaches to arrange value, this relief valve is opened so that described test chamber is with described
The outer space connection of apparatus casing.
By technique scheme, during battery testing, when the test chamber air pressure of battery test apparatus
When being increased to setting value, rupture of diaphragm such that it is able to make test chamber discharge pressure, limit this test chamber institute
The maximum pressure allowed.
Other features and advantages of the utility model will give in detailed description of the invention part subsequently in detail
Explanation.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes one of description
Point, it is used for explaining this utility model together with detailed description below, but is not intended that this practicality
Novel restriction.In the accompanying drawings:
Fig. 1 is cuing open of the battery test apparatus of the relief valve with a kind of preferred implementation of this utility model
TV structure schematic diagram；
Fig. 2 a and Fig. 2 b is the sectional view of the relief valve in battery test apparatus shown in Fig. 1 respectively.
Description of reference numerals
1 supports heating arrangements 11 heating plate 12 graphite bolster plate
2 pressure exerting arrangement 21 press member 21a pressure push pedals
3 apparatus casing 31 test chamber 32 upper bushes
33 lower sleeve 4 power set 5 relief valve
51 valve seat 511 center-aisle 512 step surfaces
5121 concave part 52 diaphragm 53 compressing members
531 lobe 6 camera heads
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.It is to be understood that
It is that detailed description of the invention described herein is merely to illustrate and explains this utility model, is not used to limit
This utility model processed.
In order to be more fully understood that the technical solution of the utility model, below by first to having relief valve 5
Battery test apparatus illustrates, and the relief valve 5 then provided this utility model illustrates.
With reference to Fig. 1, it show battery test apparatus, including supporting heating arrangements 1 and pressure exerting arrangement 2.
Wherein, tested battery (not shown) can be supported on support heating arrangements 1, and by this support
Heating arrangements 1 heats, in order to make tested battery have required test temperature.By controlling heating unit
Part (such as following electric hot plate 11), can make tested battery have different temperature.
Pressure exerting arrangement 2 has press member 21 (such as pressure push pedal 21a or striker etc.), this press member
21 can be driven, closer or far from supporting heating arrangements 1, thus to add in this support by such as power set 4
Tested battery is extruded on heat engine structure 1.It is understood that extruding described herein include as utilize striker,
Tested battery is thrust, impacts or compressed to all types of press member 21 such as pressure push pedal 21a, if pressure
Element 21 is applied with pressure effect on tested battery, belongs to design category of the present utility model.Separately
Outward, pressure exerting arrangement 2 also has the first pressure transducer 22, and this first pressure transducer 22 can executed
Pressure element 21 measurement in time supporting heating arrangements 1 and act on tested battery is supported on support heater
The pressure that tested battery on structure 1 bears, this pressure can be under percussion instantaneous (or in short-term
Between) in force value, it is also possible to be the pressure gradually changed that is applied on tested battery of pressure push pedal 21a
Power.
Battery test apparatus can heat tested by supporting heating arrangements 1 to be formed as various structures form
Battery, is allowed to be under different test temperature conditionss (being aided with temperature element can control to test temperature),
And on tested battery, apply pressure by the press member 21 of pressure exerting arrangement 2, to pierce through, to impact,
Extrude tested battery, measured the pressure of applying by the first pressure transducer 22, it is possible to tested electricity simultaneously
Pond carries out multiple security test, and is easy to obtain tested battery in the test of single or fewer number and sends out
Limiting pressure condition during raw on fire, blast etc., it is possible to effectively save battery material, reduce testing cost.
With reference to shown in Fig. 1, in this battery test apparatus, apparatus casing 3 can be included, this equipment shell
Body 3 is formed with test chamber 31.In this case, battery test apparatus main functional parts (as
Support heating arrangements 1 and pressure exerting arrangement 2 etc.) can be arranged in this test chamber 31, and in this test
Complete security test in chamber 31, to avoid tested battery in test process to burn, blast etc. right
Testing crew damages.Such as, in the shown embodiment, support heating arrangements 1 to have for propping up
Supportting the supporting surface (such as the upper surface of graphite bolster plate 12) of tested battery, this supporting surface is positioned at test chamber 31
In, press member 21 move this test chamber 31 in closer or far from support heating arrangements 1, thus
When close, the tested battery on supporting surface applies pressure, now, if battery burns, explodes,
Then flame or bomb fragments can be limited in test chamber 31 by apparatus casing 3, it is to avoid injure test people
Member.It addition, by explanation subsequently it can be seen that can be set to have by apparatus casing 3 and vertically prolong
The test chamber 31 stretched, the supporting surface supporting heating arrangements 1 is positioned at horizontal direction, and press member 21 is perpendicular
Nogata moves up tested battery is applied pressure such that it is able to place/install various piece easily.
Such as, pressure exerting arrangement 2 and power set 4 thereof can be installed on the upper end wall of apparatus casing 3, and support adds
Heat engine structure 1 is positioned over the bottom of test chamber 31.
For the ease of tested battery being positioned on the supporting surface supporting heating arrangements 1, and be easily installed,
Parts in maintenance and replacing test chamber 31, can be set to split-type structural by apparatus casing 3.Tool
Body ground, as it is shown in figure 1, apparatus casing 3 can include upper bush 32 and lower sleeve 33, this upper bush
32 are respectively provided with relative opening and abut each other (as passed through flange) with lower sleeve 33.Pressure exerting arrangement 2
Upper end wall to upper bush 32 is installed, and its press member 21 can be with power set 4 (such as stepping electricity
Machine etc.) clutch end be in transmission connection, to this end, power set 4 can be arranged at upper bush 32
On upper end wall lateral surface.Support on the medial surface of the lower end wall that heating arrangements 1 is arranged at lower sleeve 33,
And lead-in wire can be utilized to be electrically connected to as being positioned at the power supply outside apparatus casing 3.
With continued reference to shown in Fig. 1, support heating arrangements 1 and can include heating plate 11 and graphite bolster plate 12,
The laminating of this graphite bolster plate 12 is arranged at the upside of heating plate 11 and can support tested battery (as passed through shape
Become upper surface as supporting surface).Heating plate 11 can have heating wire, when this heating wire is energized, logical
Cross graphite bolster plate 12 can tested battery be heated.In this preferred implementation, graphite bolster plate is set
12 tests being mainly used in thermal cell (group), are used as collector at discharge process.For other kinds of
Battery, then maybe can utilize the backing plate of other materials without this graphite bolster plate 12.
By described above it can be seen that have relatively (due to burning, blast etc.) during battery testing
For rugged environment, and the test chamber 31 of relative closure bears high temperature, high pressure effect may cause equipment
Impaired, the relief valve 5 of pressure release can be provided on apparatus casing 3 for this, with at test chamber 31
When interior pressure is increased to setting value, as connected test chamber 31 under the differential pressure action by relief valve 5 two ends
Connect with the space outside apparatus casing 3, thus discharge the pressure in test chamber 31, limit this test
The hyperbar that chamber 31 is allowed.It addition, in order to observe test mode, it is also possible at apparatus casing 3
Upper installation camera head 6, and avoid this camera head 6 cannot clearly shoot test by special design
The problem such as situation in chamber 31 or at high temperature damage.
In conjunction with Fig. 1 to Fig. 2 b, in battery test apparatus, relief valve can be installed on apparatus casing 3
5, when the air pressure in test chamber 31 reaches to arrange value, this relief valve 5 is opened so that test chamber
31 connect with the space outside apparatus casing 3.
In a preferred embodiment, this relief valve 5 includes valve seat 51 and diaphragm 52.Wherein, valve
Seat 51 is formed through center-aisle 511 and can be connected to apparatus casing 3 with various suitable forms；
Diaphragm 52 is set to cut off the connection of center-aisle 511.This diaphragm 52 can be center-aisle 511 liang
The pressure reduction of end ruptures when reaching setting value under this differential pressure action.Thus, it is possible to limited by this relief valve 5
Determine the maximum pressure that test chamber 31 is allowed, it is to avoid the safety issue that hypertonia causes.This place
State diaphragm 52 and can use multiple suitable material, such as metallic membrane (such as aluminium foil), PP film, PE film
Deng.
Just as described above, valve seat 51 can be connected to apparatus casing 3 with multiple appropriate format, as welded,
It is spirally connected.In illustrated preferred embodiment, end, one end outer peripheral face of valve seat 51 is formed with outer spiral shell
Stricture of vagina, in order to be screw-coupled to be formed in the screw on apparatus casing 3.By this set, can facilitate
Relief valve 5 is pulled down on ground from apparatus casing 3, in order to changes or keeps in repair.
In this utility model, diaphragm 52 can also be arranged in many ways, as being directly bonded to valve seat
On 51, as long as it can cut off the connection of center-aisle 511.In illustrated preferred embodiment,
Diaphragm 52 is fixed on valve seat 51 by compressing member 53.Specifically, relief valve 5 includes having annular
The compressing member 53 of shape, this compressing member 53 is connected to valve seat 51, and is fixed to by diaphragm 52 middle logical
In road 511.For example, it is possible to utilize the end face of this compressing member 53 or side face and valve seat 51 to closely cooperate and
Fixing diaphragm 52, will describe in detail this subsequently.Alternately, compressing member 53 can be by
Diaphragm 52 is fixed to one end of valve seat 51, such as, to form female thread on compressing member 53, and make
It coordinates with the external screw thread on valve seat 51, so that diaphragm 52 to be pressed on one end of valve seat 51.
A kind of preferred implementation of the present utility model utilizes the end face of compressing member 53 closely to join with valve seat 51
Close and fixing diaphragm 52, with reference to Fig. 2 a, in the center-aisle 511 of valve seat 51, be formed with step surface 512,
In compressing member 53 is connected to this center-aisle 511 and be resisted against on step surface 512 such that it is able to utilize
Step surface 512 limits the link position of compressing member 53, it is simple to firm connection, solid to be clamped by diaphragm 52
It is scheduled between compressing member 53 and step surface 512.
Just as described above, the diaphragm 52 of relief valve 5 in use can rupture because of the pressure reduction of setting value,
Thus result in relief valve 5 to lose efficacy.To this end, can above-mentioned compressing member 53 be set to detachably connected
To valve seat 51, only to need to change this diaphragm 52 after diaphragm 52 ruptures, it is not necessary to change whole
Relief valve 5.Such as, in the shown embodiment, the outer rim with step surface 512 of center-aisle 511
Adjacent is formed in part with female thread, and compressing member 53 is formed with external screw thread can be screw-coupled to center-aisle
In 511 and limited link position by step surface 512.It is thus possible to by by compressing member 53 from valve seat
Pull down on 51 and change diaphragm 52.
Herein, for the ease of pulling down compressing member 53, can be formed on for coordinating with dismantling device
Screw thread dismounting fit structure.This screw thread dismounting fit structure can be formed as various suitable form, as
Endoporus is formed as interior hexagon to utilize inner hexagon spanner to dismount；Or, at compressing member 53
The end face of step surface 512 is formed for the structure of dismantling device dorsad, such as yi word pattern groove, i.e. in annular
Two be located along the same line are formed recessed on the end face of the step surface dorsad 512 of the compressing member 53 of shape
Slot part, can utilize the instruments such as straight screwdriver to dismount.
Importantly, relief valve of the present utility model 5 for open during hypertonia in test chamber 31 with
Release pressure, but, relative closure should be kept when pressure in test chamber 31 is less, with
There is higher test accuracy, for this reason, it may be necessary to make relief valve 5 have preferably sealing before opening
Property.This utility model one the most preferred embodiment in, the step surface 512 of valve seat 51 and pressure
Concave part 512 is could be formed with, separately at least one in the end face towards step surface 512 of tight part 53
The lobe 531 mated with this concave part 5121 it is formed with in one.Thus, when compressing member 53 connects
During for being resisted against on step surface 512, diaphragm 52 can be pressed in concave part 5121, it is to avoid test chamber
Gas in 31 is excessive by this connecting portion.
By the above-mentioned relief valve 5 being connected on apparatus casing 3, can reach at the air pressure in test chamber 31
During to predetermined value, relief valve 5 is made to open (diaphragm 52 ruptures) under differential pressure action, to connect test chamber
31 with space apparatus casing 3 outside, discharge pressure in test chamber 31, the highest allow by limiting it
Pressure and avoid the safety hazards that hypertonia causes.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing, but, this practicality is new
Type is not limited to the detail in above-mentioned embodiment, in technology concept of the present utility model,
The technical solution of the utility model can be carried out multiple simple variant, these simple variant belong to this reality
With novel protection domain.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means.In order to avoid need not
The repetition wanted, various possible compound modes are illustrated by this utility model the most separately.
Additionally, combination in any can also be carried out between various different embodiment of the present utility model, only
Wanting it without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1., for a relief valve for battery test apparatus, described battery test apparatus includes being formed with survey
The apparatus casing (3) of examination chamber (31), it is characterised in that this relief valve includes:
Valve seat (51), center-aisle (511) that this valve seat (51) is formed through also can be connected to
Described apparatus casing (3)；
Diaphragm (52), this diaphragm (52) is set to cut off the connection of described center-aisle (511), and
And, this diaphragm (52) can when the pressure reduction at described center-aisle (511) two ends reaches setting value
Rupture under this differential pressure action.
Relief valve the most according to claim 1, it is characterised in that the one of described valve seat (51)
It is formed with the external screw thread for being connected to described apparatus casing (3) on the outer peripheral face of end end.
Relief valve the most according to claim 1, it is characterised in that described relief valve also includes tool
Having the compressing member (53) of annular shape, this compressing member (53) is connected to described valve seat (51) and by institute
State in diaphragm (52) is fixed to described center-aisle (511) or one end of described valve seat (51).
Relief valve the most according to claim 3, it is characterised in that described center-aisle (511)
Inside being formed with step surface (512), described compressing member (53) is connected as being resisted against described step surface (512)
On with described diaphragm (52) is fixedly clamped to this compressing member (53) and described step surface (512) it
Between.
Relief valve the most according to claim 4, it is characterised in that described center-aisle (511)
The outer rim with described step surface (512) adjacent be formed in part with female thread, described compressing member (53)
On be formed with the external screw thread for being screw-coupled to this female thread.
Relief valve the most according to claim 5, it is characterised in that on described compressing member (53)
It is formed with the screw thread dismounting fit structure for coordinating with dismantling device.
Relief valve the most according to claim 6, it is characterised in that the dismounting of described screw thread coordinates knot
Structure is the yi word pattern on the end face of the most described step surface (512) being formed at described compressing member (53)
Groove.
8. according to the relief valve described in any one in claim 4 to 7, it is characterised in that described
In the end face towards this step surface (512) of step surface (512) and described compressing member (53) at least
Form concave part (5121) in one, another one is formed convex with what this concave part (5121) mated
Play portion (531).
Relief valve the most according to claim 1, it is characterised in that described diaphragm (52) is gold
Belong to the one in diaphragm, PP film, PE film.
10. battery test apparatus, this battery test apparatus includes the equipment shell being formed with test chamber (31)
Body (3), it is characterised in that described apparatus casing (3) is upper to be connected in good grounds claim 1 to 9
Relief valve described in any one, when the air pressure in described test chamber (31) reaches to arrange value, this peace
Full valve (5) is opened so that described test chamber (31) connects with the outer space of described apparatus casing (3)
Logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620246234.9U CN205639741U (en) | 2016-03-28 | 2016-03-28 | A relief valve and battery test equipment for battery test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620246234.9U CN205639741U (en) | 2016-03-28 | 2016-03-28 | A relief valve and battery test equipment for battery test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639741U true CN205639741U (en) | 2016-10-12 |
Family
ID=57074188
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620246234.9U Active CN205639741U (en) | 2016-03-28 | 2016-03-28 | A relief valve and battery test equipment for battery test equipment |
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| Country | Link |
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| CN (1) | CN205639741U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499936A (en) * | 2016-12-26 | 2017-03-15 | 重庆海国科技有限公司 | A kind of novel oil filtering machine |
| CN106523887A (en) * | 2016-12-25 | 2017-03-22 | 重庆海国科技有限公司 | Oil filter |
| CN106523888A (en) * | 2016-12-26 | 2017-03-22 | 重庆海国科技有限公司 | Novel oil filter |
| CN106969980A (en) * | 2017-03-08 | 2017-07-21 | 北京新能源汽车股份有限公司 | Battery anti-explosion test system |
-
2016
- 2016-03-28 CN CN201620246234.9U patent/CN205639741U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523887A (en) * | 2016-12-25 | 2017-03-22 | 重庆海国科技有限公司 | Oil filter |
| CN106523887B (en) * | 2016-12-25 | 2018-06-22 | 重庆海国科技有限公司 | A kind of oil filter |
| CN106499936A (en) * | 2016-12-26 | 2017-03-15 | 重庆海国科技有限公司 | A kind of novel oil filtering machine |
| CN106523888A (en) * | 2016-12-26 | 2017-03-22 | 重庆海国科技有限公司 | Novel oil filter |
| CN106499936B (en) * | 2016-12-26 | 2018-04-20 | 重庆海国科技有限公司 | A kind of novel oil filtering machine |
| CN106969980A (en) * | 2017-03-08 | 2017-07-21 | 北京新能源汽车股份有限公司 | Battery anti-explosion test system |
| CN106969980B (en) * | 2017-03-08 | 2019-09-03 | 北京新能源汽车股份有限公司 | Battery anti-explosion valve test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180613 Address after: 102400 room 4, 4 floor, 2 building, 85 Hong Yuan Road, Fangshan District, Beijing. Patentee after: Beijing carbon sun Technology Co., Ltd. Address before: 102434 Beijing 68 Fangshan District Dou Road, Dou Dian Road Patentee before: MATERIAL AND INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE BEIJING |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190703 Address after: 102402 No. 168 Linlin East Street, Liu Pingzhuang Village, Doudian Town, Fangshan District, Beijing Patentee after: MATERIAL AND INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE BEIJING Address before: 102400 room 4, 4 floor, 2 building, 85 Hong Yuan Road, Fangshan District, Beijing. Patentee before: Beijing carbon sun Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |