CN107238799A - Battery test apparatus - Google Patents
Battery test apparatus Download PDFInfo
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- CN107238799A CN107238799A CN201610183823.1A CN201610183823A CN107238799A CN 107238799 A CN107238799 A CN 107238799A CN 201610183823 A CN201610183823 A CN 201610183823A CN 107238799 A CN107238799 A CN 107238799A
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- Prior art keywords
- pressure
- plate
- battery
- head
- press member
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- 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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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to cell safety test device field, a kind of battery test apparatus is disclosed, including：Heating arrangements (1) are supported, the support heating arrangements can support and heat tested battery；Pressure exerting arrangement (2), the pressure exerting arrangement has press member (21) and first pressure sensor (22), the press member (21) can be actuated to closer or far from the support heating arrangements (1) so as to extrude the tested battery on the support heating arrangements (1), and the first pressure sensor (22) being capable of the pressure from the press member (21) that bears of measurement is supported on the support heating arrangements (1) when the press member (21) is close to support heating arrangements (1) the tested battery.A variety of security tests such as the battery test apparatus that the present invention is provided can be extruded tested battery, acupuncture, and it is easy to obtain the performance parameter of tested battery in single is tested.
Description
Technical field
The present invention relates to cell safety test device, in particular it relates to a kind of battery test apparatus.
Background technology
Battery (including single cell of thermo and battery pack, lithium ion battery etc.) is likely to be at different building rings when in use
In border, thus show different performances.For example, under the extreme situation such as high temperature and/or high pressure, in fact it could happen that cross and put, overshoot
Occur etc. causing to damage the reversible phenomenon of battery, or even directly result in battery explosion, threaten user security.Therefore, battery exists
Usually require to carry out security test before coming into operation.
Traditional battery security test mainly includes acupuncture, extruding, impact etc., i.e., in the fully charged state of tested battery
Under, pierced through, impacted using the press members such as steel nail, rod iron, extrusion equipment or equipment, extruding the tested battery, whether observing it
The phenomenons such as generation is on fire, blast.
However, the test device or equipment that are used in above-mentioned battery testing have relatively single function, it is difficult to complete mould
State and environment when plan battery is actual use, the pressure applied in puncture, impact and extrusion process not can determine that, it is difficult to logical
Cross single test and obtain tested battery on fire, the explosion time state in which of generation and environmental condition, waste battery material, test
Cost is higher.
For this reason, it is necessary to a kind of battery test apparatus be provided, to solve at least part skill present in above-mentioned prior art
Art problem.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of battery test apparatus, and the battery test apparatus can be to quilt
A variety of security tests such as survey battery is extruded, acupuncture, and it is easy to obtain performance ginseng of the tested battery in single is tested
Number.
In order to solve the above-mentioned technical problem, the present invention provides a kind of battery test apparatus, including：Heating arrangements are supported, should
Support heating arrangements can support and heat tested battery；Pressure exerting arrangement, the pressure exerting arrangement has press member and first pressure
Sensor, the press member can be actuated to closer or far from the support heating arrangements so as in the support heating arrangements
The upper extruding tested battery, the first pressure sensor can be when the press member be close to the support heating arrangements
Measure the pressure from the press member that the tested battery being supported on the support heating arrangements is born.
Preferably, the support heating arrangements include heating plate and the graphite bolster plate for supporting the tested battery, institute
Stating heating plate has a heating wire, and the graphite bolster plate is fitted setting with the heating plate, with can when the heating wire is powered
The tested battery heating to being supported on the graphite bolster plate.
Preferably, the battery test apparatus includes being formed with the apparatus casing of test chamber, the support heating arrangements tool
There is the supporting surface in the test chamber, the press member moves to add closer or far from the support in the test chamber
Heat engine structure.
Preferably, the apparatus casing includes upper bush and lower sleeve, and the upper bush and lower sleeve have relative respectively
It is open and abuts each other, the pressure exerting arrangement is attached to the upper end wall of the upper bush, the support heating arrangements is arranged at institute
State on the lower end wall medial surface of lower sleeve.
Preferably, the battery test apparatus includes the power set for being used to drive the press member, the power set
It is arranged on the upper end wall lateral surface of the upper bush and is connected in the press member.
Preferably, it is provided with the upper end wall of the upper bush in fairlead, temperature sensor, second pressure sensor
At least one.
Preferably, the pressure exerting arrangement includes the pressure head for being connected to the press member, and the pressure head includes：Gu
Determine portion, the fixed part includes spaced first fixed plate and the second fixed plate and is installed on first fixation by bearing
Screw mandrel on plate and the second fixed plate；Head portion, the head portion includes spaced first head plate and the second head plate, its
In, the screw coordinated with the wire rod thread is provided with the first head plate, the press member is connected to described second
The side of the dorsad described first head plate of head plate, and the first head plate and the second head plate pass through it is solid through described first
One of fixed board and the second fixed plate are simultaneously connected with each other along the first support bar of the bearing of trend extension parallel to the screw mandrel,
So that when the screw mandrel is rotated, the head portion drives axial movement of the press member along the screw mandrel.
Preferably, the head portion also includes the dorsad described first head plate one for being arranged at intervals at the second head plate
The pressure transmission plate of side, the pressure transmission plate is slidably connected to the second head plate by connecting rod, and the first pressure sensor is pacified
The side of the direction pressure transmission plate loaded on the second head plate, the press member is pressure push pedal or striker and passes through institute
Pressure transmission plate is stated to be connected on the second head plate, with can when the screw mandrel is rotated, pass sequentially through the first head plate,
First support bar, the second head plate, first pressure sensor, pressure transmission plate transfer a driving force to the press member.
Preferably, safety valve is installed on the apparatus casing, should when the air pressure in the test chamber reaches setting value
Safety valve is opened so that the test chamber is connected with the space outside the apparatus casing.
Preferably, it is also equipped with the apparatus casing for the camera device to being observed in the test chamber, should
Camera device includes stainless steel sleeve pipe, and one end of the stainless steel sleeve pipe is provided with the infrared camera with quartz glass outer cover simultaneously
It is formed through extending to the control string holes of the other end, with one end shape of the remote infrared camera of the stainless steel sleeve pipe
Into the control line intake having for introducing the control line for being connected to the infrared camera.
By above-mentioned technical proposal, battery test apparatus of the invention can be by supporting the tested electricity of heating arrangements heating
Pond, is allowed to be under the conditions of different test temperatures；And by press member (such as pressure push pedal or striker) on tested battery
Apply pressure to pierce through or extrude the tested battery, wherein, first pressure sensor can measure the pressure that tested battery applies,
The limiting pressure condition that on fire or blast etc. occurs for tested battery can be thus obtained in the test of single or fewer number, from
And be easy to save battery material, reduction testing cost.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is according to a kind of schematic cross-sectional view of the battery test apparatus of preferred embodiment of the invention；
Fig. 2 is the schematic top plan view of battery test apparatus in Fig. 1；
Fig. 3 a and Fig. 3 b are the main view and dimensional structure diagram of the pressure head of battery test apparatus in Fig. 1 respectively；
Fig. 4 a and Fig. 4 b are main view and dimensional structure diagram of the pressure head in another lifting position in Fig. 3 a respectively；
Fig. 5 a and Fig. 5 b are the sectional view of the safety valve of battery test apparatus in Fig. 1 respectively；
Fig. 6 a and Fig. 6 b are the solid and main structure diagram of the camera device of battery test apparatus in Fig. 1 respectively.
Description of reference numerals
The graphite bolster plate of 1 11 heating plate of support heating arrangements 12
The press member 21a pressure push pedals of 2 pressure exerting arrangement 21
The fixed plate of 22 first pressure sensor, 23 fixed part 231 first
The second support bar of 232 second fixed plate, 233 screw mandrel 234
The head plate of 24 head portion, 241 first head plate 242 second
The connecting rod of 243 first support bar, 244 pressure transmission plate 245
The test chamber of 246 bulb joint, 3 apparatus casing 31
The temperature sensor of 32 upper bush, 321 fairlead 322
The power set of 323 second pressure sensor, 33 lower sleeve 4
The center-aisle of 5 safety valve, 51 valve seat 511
The diaphragm of 512 step surface, 5121 concave part 52
The camera device of 53 compressing member, 531 lug boss 6
The sleeve pipe of 61 62 control line intake of control string holes 63
The camera of 631 external thread part, 632 stage portion 64
65 sealing rings
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Referring to figs. 1 to Fig. 6 b, according to a kind of battery test apparatus of preferred embodiment of the invention, including support heater
Structure 1 and pressure exerting arrangement 2.
Wherein, being tested battery (not shown) can be supported on support heating arrangements 1, and be added by the support heating arrangements 1
Heat, in order to make tested battery that there is required test temperature.By controlling heater element (such as following electric hot plates 11), it can make
Tested battery has different temperature.
Pressure exerting arrangement 2 has press member 21 (such as pressure push pedal 21a or striker), and the press member 21 can be moved such as
Power apparatus 4 is driven with closer or far from support heating arrangements 1, so as to extrude tested battery on the support heating arrangements 1.Can be with
Understand, it is described herein extruding include such as be pierced into using striker, all types of press members 21 of pressure push pedal 21a, impact or
Tested battery is compressed, as long as press member 21 is applied with pressure effect on tested battery, the design category of the present invention is belonged to.
In addition, pressure exerting arrangement 2 also has first pressure sensor 22, the first pressure sensor 22 can be in press member 21 close to branch
The pressure that the tested battery that measurement is supported on support heating arrangements 1 when supportting heating arrangements 1 and acting on tested battery is born, this
Kind of pressure can be pressure value or pressure push pedal 21a in instantaneous (or short time) under percussion be applied to by
The pressure gradually changed surveyed on battery.
The battery test apparatus of the present invention can be formed as multiple structural forms, by supporting the heating of heating arrangements 1 tested
Battery, is allowed to be under the conditions of different test temperatures (test temperature can be controlled by being aided with temperature element), and pass through pressing machine
The press member 21 of structure 2 applies pressure on tested battery, and to pierce through, impact, extruding is tested battery, while being passed by first pressure
The pressure that the measurement of sensor 22 applies, can carry out a variety of security tests, and be easy in single or fewer number to tested battery
Test in obtain limiting pressure condition when on fire, blast etc. occurs for tested battery, being capable of effectively save battery material, reduction
Testing cost.
Shown in reference picture 1, according in a kind of battery test apparatus of preferred embodiment of the invention, equipment can be included
Housing 3, the apparatus casing 3 is formed with test chamber 31.In this case, the main functional parts of battery test apparatus are (such as
Support heating arrangements 1 and pressure exerting arrangement 2 etc.) it can be arranged in the test chamber 31, and the completion security in the test chamber 31
Test, is damaged with avoiding being tested battery generation burning, blast etc. in test process to testing crew.For example, real in diagram
Apply in mode, support heating arrangements 1 have the supporting surface (such as upper surface of graphite bolster plate 12) for being used for supporting tested battery, the branch
Support face is located in test chamber 31, press member 21 in the test chamber 31 motion with closer or far from support heating arrangements 1 so that
Close to when on supporting surface tested battery apply pressure, now, if battery occur burning, blast, flame or explode it is broken
Piece can be limited in test chamber 31 by apparatus casing 3, it is to avoid injure testing crew.In addition, can be seen by subsequent explanation
Go out, apparatus casing 3 can be set to the test chamber 31 extended vertically, the supporting surface of support heating arrangements 1 is located at level
Direction, the in the vertical direction movement of press member 21 is each so as to easily place/install to apply pressure to tested battery
Individual part.For example, pressure exerting arrangement 2 and its power set 4 can be installed on the upper end wall of apparatus casing 3, support heating arrangements 1 are put
It is placed in the bottom of test chamber 31.
For the ease of tested battery is positioned on the supporting surface of support heating arrangements 1, and it is easily installed, repairs and changes
Part in test chamber 31, can be set to split-type structural by apparatus casing 3.Specifically, as shown in figure 1, apparatus casing 3 can
So that there is relative opening respectively and abut each other (such as including upper bush 32 and lower sleeve 33, the upper bush 32 and lower sleeve 33
By flange).Pressure exerting arrangement 2 is attached to the upper end wall of upper bush 32, and its press member 21 can be with power set 4 (as walked
Stepper motor etc.) clutch end drive connection, therefore, power set 4 can be arranged at the upper end wall lateral surface of upper bush 32
On.Support heating arrangements 1 be arranged on the medial surface of the lower end wall of lower sleeve 33, it is possible to using lead be electrically connected to such as positioned at
The power supply in the outside of apparatus casing 3.
In above-mentioned preferred embodiment, battery etc. is tested for the ease of being such as used for power set 4, support heating arrangements 1
Lead access, fairlead 321 can be set on apparatus casing 3.For example, referring to shown in Fig. 2, the fairlead 321 can be set
Put in the upper end wall of upper bush 32.Further optionally or preferably, temperature sensor can also be set in the upper end wall
322nd, second pressure sensor 323 etc., for measuring, monitoring the parameters such as environment temperature and/or air pressure in test chamber 31, from
And it is easy to more accurately and comprehensively obtain the performance condition of tested battery.
Referring again to shown in Fig. 1, in battery test apparatus of the invention, support heating arrangements 1 can include heating plate 11
With graphite bolster plate 12, the graphite bolster plate 12 laminating is arranged at the upside of heating plate 11 and can support tested battery (such as by shape
Supporting surface is used as into upper surface).Heating plate 11 can have heating wire, when the heating wire is powered, pass through the energy of graphite bolster plate 12
It is enough that tested battery is heated.In the preferred embodiment, graphite bolster plate 12 is set to be mainly used in the test of thermal cell (group),
Discharge process is used as collector.For other kinds of battery, then without the graphite bolster plate 12 or other materials can be utilized
Backing plate.
By described above as can be seen that there is more severe ring (due to burning, blast etc.) during battery testing
Border, and the test chamber 31 of relative closure bears high temperature, high pressure effect and equipment may be caused to be damaged, and is that this can be in apparatus casing 3
On be provided for the safety valve 5 of pressure release, during with the pressure rise in test chamber 31 to setting value, such as pass through the two ends of safety valve 5
Differential pressure action under connection test chamber 31 connected with the space outside apparatus casing 3, so as to discharge the pressure in test chamber 31, limit
The highest air pressure that the fixed test chamber 31 is allowed.In addition, in order to observe test mode, can also install and take the photograph on apparatus casing 3
Avoid the camera device 6 from can not understanding the situation in shooting test chamber 31 or at high temperature as device 6, and by special design
The problems such as damage.
Above-mentioned technical proposal for a better understanding of the present invention simultaneously illustrates further preferred technical scheme, below will be right
Several critical components in the battery test apparatus of the present invention are described in detail respectively, and these explanations are not used to constitute to this
The restriction of inventive concept scope.
Pressure head
With reference to Fig. 1, Fig. 3 a to Fig. 4 b, the pressure exerting arrangement 2 in battery test apparatus of the invention can include being connected to applying
Press the pressure head of element 21.Wherein, Fig. 3 a-3b and Fig. 4 a-4b are respectively when the pressure head is in different lifting positions
View, Fig. 3 a and Fig. 3 b is pressure elements 21 is in lifting position when stretching out limiting condition, and Fig. 4 a and Fig. 4 b are to make pressure
Element 21 is in lifting position during retraction limiting condition.Also, in order to preferably represent the concrete structure of the pressure head, figure
The inversion state of pressure head when pressure head shown in 3a to Fig. 4 b is the installment state in Fig. 1.
The pressure head includes fixed part 23 and head portion 24.Wherein, head portion 23, which has, passes through bearing (such as crosswise roller
Bearing) install screw mandrel 233；Head portion 24 is provided with the screw coordinated with the screw thread of screw mandrel 233.When screw mandrel 233 is (such as dynamic
Under power apparatus 4 drives) when rotating, head portion 24, which can drive, to be connected to press member 21 thereon and is transported along the axial direction of screw mandrel 233
It is dynamic, to apply pressure to tested battery by the press member 21.
Herein, pressure elements 21 can be pressure push pedal 21a as described above, striker etc..The pressure head is with fixed part
23 be motion frame (can such as be fixed on apparatus casing 3), so as to when screw mandrel 233 is rotated, be driven and applied using head portion 24
Pressure element 21 applies pressure to pierce through or extrude the tested battery on tested battery, can realize a variety of security test work(
Energy.
In the shown embodiment, fixed part 23 includes the spaced fixed plate 232 of first fixed plate 231 and second,
So as to which screw mandrel 233 may be mounted in the fixed plate 232 of the first fixed plate 231 and second, i.e., in the first fixed plate 231 and second
Bearing is respectively arranged with fixed plate 232, screw mandrel 233 is installed with the first fixed plate 231 and the second fixed plate by the bearing
Extend between 232.Head portion 24 can be limited respectively using the spaced fixed plate 232 of first fixed plate 231 and second
Two extreme sport positions.But the present invention is not limited thereto, for example, a fixed plate can be only set, and pacify screw mandrel 233
In the fixed plate and the upper end wall of apparatus casing 3, the screw mandrel 233 extends on the upper end wall to be connected to power
The clutch end of device 4.
Further, head portion 24 can include spaced first head plate 241 and the second head plate 242.Wherein,
Screw for coordinating with the screw thread of screw mandrel 233 is arranged at the first head plate 241, i.e., the first head plate 241 is located at first and consolidated
Between the fixed plate 232 of fixed board 231 and second.In order to which power is passed when the first head plate 241 is moved with the rotation of screw mandrel 233
The second head plate 242 is handed to, the first head plate 241 and the second head plate 242 are connected with each other by first support bar 243, this
One support bar 243 extends through one of the first fixed plate 231 and the second fixed plate 232, and bearing of trend is parallel to screw mandrel
233 bearing of trend.It is thus possible to which press member 21 to be connected to the one of dorsad the first head plate 241 of the second head plate 242
Side, in movement press member 21 can be caused to apply pressure to tested battery.Alternatively, head portion
24 can also only set a head plate, and the screw for coordinating with the screw thread of screw mandrel 233 is arranged at the head plate, in order to pass through
The head plate transmits power to press member 21, the head plate can be made to extend to outside fixed part 23, such as the placement in Fig. 3 a
In position, the first head plate 241 is set to extend horizontally to beyond the second fixed plate 232, so as to bypass second fixed plate 232
Press member 21 is directly connected to, without setting the second head plate 242 and first support bar 243 etc..
In screw mandrel 233 is rotated and drives the first head plate 241 and the motion process of the second head plate 242, between screw thread
Frictional force may drive the first head plate 241 and the second head plate 242 to rotate, it is impossible to which the power of power set 4 is defeated
Go out end rotary motion be converted into well press member 21 the bearing of trend along screw mandrel 233 axial displacement.Therefore, can be with
Second fixed plate 232 is directly anchored on the side wall of apparatus casing 3.In a preferred embodiment of the invention, can be
Second support bar 234 is connected between one fixed plate 231 and the second fixed plate 232, the second support bar 234 is passed through the first head
Plate 241 simultaneously extends along the bearing of trend parallel to screw mandrel 233, so that the first fixed plate 231 and the second fixed plate 232 are at least in ring
The circumference of wire winding rod 241 is fixed to one another, and by second support bar 234 and the collective effect of above-mentioned first support bar 243 to limit
The rotation of fixed first head plate 241 and the second head plate 242, is allowed to be only capable of to move along the bearing of trend parallel to screw mandrel 233.
Importantly, according to it is of the invention a kind of more preferred embodiment in, head portion 24 also includes being used to connect pressure
Tested battery can be transferred to the first pressure by the pressure transmission plate 244 of element 21, the pressure transmission plate 244 to the reaction force of press member 21
Force snesor 22, to measure the pressure suffered by tested battery.Specifically, pressure transmission plate 244 can be with the compartment of terrain of the second head plate 242
The side of dorsad the first head plate 241 of the second head plate 242 is arranged on, and is slidably connected by connecting rod 245.Namely
Say, pressure transmission plate 244 can be slided under the reaction force of tested battery along connecting rod 245 to the second head plate 242.Second head
The side towards pressure transmission plate 244 of plate 242 is provided with first pressure sensor 22, and press member 21 is connected to pressure transmission plate 244.From
And, when screw mandrel 233 is rotated, the driving force of the screw mandrel 233 transmission can pass sequentially through the first head plate 241, first support bar
243rd, the second head plate 242, first pressure sensor 22 and pressure transmission plate 244 be transferred to press member 21 (i.e. negligible friction when,
Connecting rod 245 is not by axial force), to be pressed to tested battery.Now, the power that first pressure sensor 22 is measured is equal to pressure member
The pressure that part 21 is acted on tested battery.In addition, setting pressure transmission plate 244 to occur burning, explosion time in tested battery
Avoid directly damaging the miscellaneous part of first pressure sensor 22 and pressure head, so as to increase the service life.Typically, this hair
First pressure sensor 22 in bright can be load sensor.
Further, the bulb joint 246 for connecting press member 21 can be installed on pressure transmission plate 244, it is this to set
The advantage for putting mode is, if tested battery has and offset (i.e. pressure for the reaction force of press member 21 with respect to screw mandrel 233
Application point is not on the axis of screw mandrel 233), the reaction force can be by bulb joint 246 along prolonging parallel to screw mandrel 233
Stretch direction and be transferred to first pressure sensor 22, so as to accurately measure the pressure suffered by tested battery.
Safety valve
, can be in equipment in the battery test apparatus of the preferred embodiment for the present invention with reference to Fig. 1, Fig. 2, Fig. 5 a and Fig. 5 b
Safety valve 5 is installed, when reaching arranges value for the air pressure in test chamber 31, the safety valve 5 is opened so that test on housing 3
Chamber 31 is connected with the space outside apparatus casing 3.
In a preferred embodiment, the safety valve 5 includes valve seat 51 and diaphragm 52.Wherein, valve seat 51 is formed there through
There is center-aisle 511 and apparatus casing 3 can be connected in various appropriate forms；Diaphragm 52 is set to separate center-aisle
511 connection.The diaphragm 52 can rupture when the pressure difference at the two ends of center-aisle 511 reaches setting value under the differential pressure action.
Thus, it is possible to limit the maximum pressure that test chamber 31 is allowed by the safety valve 5, it is to avoid security is asked caused by hypertonia
Topic.Diaphragm 52 described herein can use a variety of appropriate materials, such as metallic membrane (such as aluminium foil), PP films, PE films.
Just as described above, valve seat 51 can be connected to apparatus casing 3 with a variety of appropriate formats, such as weld, be spirally connected.
In illustrated preferred embodiment, external screw thread is formed with one end end outer peripheral face of valve seat 51, is being set in order to be screw-coupled to be formed
In screw on standby housing 3.By this set, safety valve 5 easily can be pulled down on slave unit housing 3, in order to change
Or maintenance.
In the present invention, diaphragm 52 can also be set in many ways, be such as directly bonded on valve seat 51, as long as it can
Separate the connection of center-aisle 511.In illustrated preferred embodiment, diaphragm 52 is fixed on valve seat 51 by compressing member 53
On.Specifically, safety valve 5 includes the compressing member 53 with annular shape, and the compressing member 53 is connected to valve seat 51, and by diaphragm 52
It is fixed in center-aisle 511.For example, it is possible to use the end face or side face of the compressing member 53 are fitted close and fixed with valve seat 51
Diaphragm 52, then will be to this detailed description.Alternately, diaphragm 52 can be fixed to valve seat 51 by compressing member 53
One end, for example, can form internal thread on compressing member 53, and it is coordinated with the external screw thread on valve seat 51, and diaphragm 52 is pressed
Tightly in one end of valve seat 51.
A kind of preferred embodiment of the present invention is fitted close with valve seat 51 using the end face of compressing member 53 and fixes diaphragm
Step surface 512 is formed with 52, reference picture 5a, the center-aisle 511 of valve seat 51, compressing member 53 is connected to the center-aisle 511
It is interior and be resisted against on step surface 512, so as to limit the link position of compressing member 53 using step surface 512, it is easy to firm company
Connect, diaphragm 52 is fixedly clamped between compressing member 53 and step surface 512.
Just as described above, the diaphragm 52 of safety valve 5 can rupture because of the pressure difference of setting value in use, thus cause peace
Full valve 5 fails.Therefore, above-mentioned compressing member 53 can be set to be detachably connectable on valve seat 51, to rupture in diaphragm 52
Only need to change the diaphragm 52 afterwards, without changing whole safety valve 5.For example, in the shown embodiment, center-aisle 511
It is adjacent with the outer rim of step surface 512 be formed in part with internal thread, during compressing member 53 is formed with external screw thread that can be screw-coupled to
Between in passage 511 and link position is limited by step surface 512.It is thus possible to by the way that compressing member 53 is pulled down from valve seat 51 and
Change diaphragm 52.
Herein, for the ease of pulling down compressing member 53, it can be formed on for being torn open with the screw thread that dismantling device coordinates
Fill fit structure.Screw thread dismounting fit structure can be formed as various appropriate forms, such as endoporus be formed as interior hexagon with
Just dismounted using inner hexagon spanner；Or, formed in the end face of the dorsad step surface 512 of compressing member 53 for dismantling device
Structure, such as yi word pattern groove, i.e., on the end face of the dorsad step surface 512 of the compressing member 53 of annular shape formed be located at it is same
Two groove parts on straight line, can be dismounted using instruments such as straight screwdrivers.
Importantly, safety valve 5 of the invention is used to open to discharge pressure during hypertonia in test chamber 31, however,
Pressure in test chamber 31 should keep relative closure when smaller, with higher test accuracy, for this reason, it may be necessary to
Make safety valve 5 that there is preferable sealing before unlatching.It is of the invention a kind of more preferred embodiment in, valve seat 51
Step surface 512 and compressing member 53 towards could be formed with concave part 512 at least one of end face of step surface 512, separately
The lug boss 531 matched with the concave part 5121 is formed with one.So as to when compressing member 53 is connected as being resisted against step surface
When on 512, diaphragm 52 can be pressed into concave part 5121, it is to avoid the gas in test chamber 31 is excessive by the connecting portion.
By the above-mentioned safety valve 5 being connected on apparatus casing 3, predetermined value can be reached in the air pressure in test chamber 31
When, safety valve 5 is opened (diaphragm 52 ruptures) under differential pressure action, to connect test chamber 31 and the space outside apparatus casing 3,
Pressure in test chamber 31 is discharged, safety hazards caused by hypertonia are avoided by limiting its maximum allowable pressure.
Camera device
, can be in equipment in the battery test apparatus of the preferred embodiment for the present invention with reference to Fig. 1, Fig. 2, Fig. 6 a and Fig. 6 b
Camera device 6 is installed, for observing the test mode in test chamber 31 on housing 3.
The camera device 6 can include sleeve pipe 63, and one end of the sleeve pipe 63, which is provided with camera 64 and is formed with from this, to be taken the photograph
As the first 64 control string holes 61 for extending through to the other end, for example, can pacify in the one end for the control string holes 61 being formed through
Camera 64 is filled, then the other end can be introduced as control line intake 62, control line by the control line intake 62
It is connected into control string holes 61 and with camera 64, in order to observe tested battery in test process by the camera 64
Situation of change.Herein, sleeve pipe 63 can play certain protective role to control line.
Just as described above, during battery testing, apparatus casing 3 and its test chamber 31 have more severe test
Environment, such as high temperature, high pressure, this easily causes to damage to camera 64, control line etc., and is not easy to clearly observe test shape
State.Therefore, the present invention each provides corresponding preferred scheme.
In order to provide control line preferable protection, it is to avoid or corrosion is reduced, sleeve pipe 63 can be stainless steel sleeve pipe, to have
There is longer service life.The outer peripheral face part of the close control line intake 62 of the sleeve pipe 63 can be formed towards the control
The tapered taper type shape in the direction of line intake 62, with higher structural strength.Although various ways progress can be provided
Protection, but camera device 6 still falls within the consumable accessory in battery test apparatus, for ease of changing or repairing, its can be made detachable
Ground is connected on apparatus casing 3.For example, outer spiral shell can be formed on one end outer peripheral face part of the close camera 64 of sleeve pipe 63
Line portion 631, is observed with that can be threaded io apparatus casing 3 and stretch to camera 64 in apparatus casing 3.
During proper testing, relative closure should be kept in test chamber 31, with accurate with higher test
Degree, the reduction camera device 6 that should try one's best connects caused sealing problem.Therefore, can be formed and external thread part on sleeve pipe 63
631 is adjacent and towards the stage portion 632 of the side of camera 64, sealing ring 65 is provided with the stage portion 632, so as to pass through
The ancillary equipment housing 3 of stage portion 632 is set to compress and be attached sealingly to using sealing ring 65 on apparatus casing 3.The sealing ring 65
There can be various appropriate materials, as long as it has higher corrosion resistance, pressure-resistant high-temperature stability, typically, the sealing
Ring 65 can be teflon seal ring.
During battery testing, usually smog is curled up in test chamber 31, is caused not understanding using common camera and is seen
Survey test status.Therefore, the present invention uses infrared camera, so as to be seen when can not only have smog in test chamber 31
Survey, additionally it is possible to easily obtain the status informations such as electric discharge, the internal-response of tested battery.Camera 4 is due to needing towards test
In chamber 31, face relatively worse test environment, therefore, quartz glass outer cover can be made it have, be resistant to high temperature,
Hyperbaric environment, increases the service life.
By the above-mentioned camera device 6 being connected on apparatus casing 3, discharging during battery testing can be observed, interior
State during safety problem occurs for portion's reaction and battery, solves that the shooting inner case of test chamber 31 can not be understood under smoky environment
Problem, consequently facilitating more fully knowing battery testing information.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of battery test apparatus, it is characterised in that the battery test apparatus includes：
Heating arrangements (1) are supported, the support heating arrangements (1) can support and heat tested battery；
Pressure exerting arrangement (2), the pressure exerting arrangement (2) has press member (21) and first pressure sensor (22), the pressure member
Part (21) can be actuated to closer or far from the support heating arrangements (1) extrude on the support heating arrangements (1)
The tested battery, the first pressure sensor (22) can be in the press member (21) close to the support heating arrangements
(1) what the tested battery that measurement is supported on the support heating arrangements (1) when was born comes from the press member (21)
Pressure.
2. battery test apparatus according to claim 1, it is characterised in that the support heating arrangements (1) include heating
Plate (11) and the graphite bolster plate (12) for supporting the tested battery, the heating plate (11) have heating wire, the graphite
Backing plate (12) is fitted setting with the heating plate (11), with can be to being supported on the graphite bolster plate when the heating wire is powered
(12) the tested battery heating on.
3. battery test apparatus according to claim 1, it is characterised in that the battery test apparatus includes being formed with survey
The apparatus casing (3) of chamber (31) is tried, the support heating arrangements (1) have the supporting surface being located in the test chamber (31), institute
Press member (21) is stated to move in the test chamber (31) with closer or far from the support heating arrangements (1).
4. battery test apparatus according to claim 3, it is characterised in that the apparatus casing (3) includes upper bush
(32) and lower sleeve (33), the upper bush (32) and lower sleeve (33) have relative opening and abutted each other respectively, described to apply
Press mechanism (2) is attached to the upper end wall of the upper bush (32), and the support heating arrangements (1) are arranged at the lower sleeve (33)
Lower end wall medial surface on.
5. battery test apparatus according to claim 4, it is characterised in that the battery test apparatus includes being used to drive
The power set (4) of the press member (21), the power set (4) are arranged at the upper end wall lateral surface of the upper bush (32)
Go up and be connected in the press member (21).
6. battery test apparatus according to claim 4, it is characterised in that set in the upper end wall of the upper bush (32)
At least one of leaded hole (321), temperature sensor (322), second pressure sensor (323).
7. battery test apparatus as claimed in any of claims 1 to 6, it is characterised in that the pressure exerting arrangement (2)
Pressure head including being connected to the press member (21), the pressure head includes：
Fixed part (23), the fixed part (23) include spaced first fixed plate (231) and the second fixed plate (232) and
Screw mandrel (233) in first fixed plate (231) and the second fixed plate (232) is installed on by bearing；
Head portion (24), the head portion (24) includes spaced first head plate (241) and the second head plate (242), its
In, the screw coordinated with the screw mandrel (233) screw thread, the press member (21) are provided with the first head plate (241)
It is connected to the side of the dorsad described first head plate (241) of the second head plate (242), and the first head plate (241)
Pass through with the second head plate (242) through one of first fixed plate (231) and second fixed plate (232) and along parallel
The first support bar (243) extended in the bearing of trend of the screw mandrel (233) is connected with each other, to be rotated in the screw mandrel (233)
When, the head portion (24) drives axial movement of the press member (21) along the screw mandrel (233).
8. battery test apparatus according to claim 7, it is characterised in that the head portion (24) also includes being arranged at intervals
Pressure transmission plate (244) in dorsad described first head plate (241) side of the second head plate (242), the pressure transmission plate (244)
The second head plate (242) is slidably connected to by connecting rod (245), and the first pressure sensor (22) is installed on institute
The side of the direction pressure transmission plate (244) of the second head plate (242) is stated, the press member (21) is pressure push pedal (21a)
Or striker and be connected to by the pressure transmission plate (244) on the second head plate (242), with can be in the screw mandrel (233)
During rotation, the first head plate (241), first support bar (243), the second head plate (242), first pressure biography are passed sequentially through
Sensor (22), pressure transmission plate (244) transfer a driving force to the press member (21).
9. the battery test apparatus according to any one in claim 3 to 6, it is characterised in that the apparatus casing (3)
On safety valve (5) is installed, when the air pressure in the test chamber (31) reaches setting value, the safety valve (5) is opened so that
The test chamber (31) space outside with the apparatus casing (3) is connected.
10. the battery test apparatus according to any one in claim 3 to 6, it is characterised in that the apparatus casing
(3) it is also equipped with being used for the camera device (6) to being observed in the test chamber (31) on, the camera device includes stainless steel
Sleeve pipe, one end of the stainless steel sleeve pipe is provided with the infrared camera with quartz glass outer cover and is formed through extending to separately
The control string holes (61) of one end, is formed with for the company of introducing with one end in the remote infrared camera of the stainless steel sleeve pipe
It is connected to the control line intake (62) of the control line of the infrared camera.
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| CN201610183823.1A CN107238799B (en) | 2016-03-28 | 2016-03-28 | Battery testing device |
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|---|---|---|---|
| CN201610183823.1A CN107238799B (en) | 2016-03-28 | 2016-03-28 | Battery testing device |
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| CN107238799A true CN107238799A (en) | 2017-10-10 |
| CN107238799B CN107238799B (en) | 2023-09-12 |
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| CN201610183823.1A Active CN107238799B (en) | 2016-03-28 | 2016-03-28 | Battery testing device |
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| CN110763418A (en) * | 2019-10-21 | 2020-02-07 | 中国汽车技术研究中心有限公司 | Power battery system bottom ball impact reliability testing method |
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| CN111354955A (en) * | 2020-04-09 | 2020-06-30 | 山东重山光电材料股份有限公司 | Thermal battery single battery testing device and testing method |
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| CN113176064B (en) * | 2021-04-28 | 2021-11-09 | 吉林化工学院 | Temperature control-based safety comprehensive test system and method for vehicle power battery box |
| CN113237748A (en) * | 2021-04-28 | 2021-08-10 | 同济大学 | Multipurpose test system for fuel cell and application |
| CN113237774A (en) * | 2021-04-28 | 2021-08-10 | 同济大学 | Real-time pressurizing and heating testing device and testing method for fuel cell |
| CN113176064A (en) * | 2021-04-28 | 2021-07-27 | 吉林化工学院 | Temperature control-based safety comprehensive test system and method for vehicle power battery box |
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| CN116224089A (en) * | 2023-05-05 | 2023-06-06 | 眉山睿酷科技咨询有限公司 | Lithium battery testing equipment and testing method |
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