CN205427163U - Battery test device - Google Patents

Battery test device Download PDF

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Publication number
CN205427163U
CN205427163U CN201620246876.9U CN201620246876U CN205427163U CN 205427163 U CN205427163 U CN 205427163U CN 201620246876 U CN201620246876 U CN 201620246876U CN 205427163 U CN205427163 U CN 205427163U
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China
Prior art keywords
plate
cloud terrace
pressure
battery
press member
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CN201620246876.9U
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Chinese (zh)
Inventor
张鑫
王瑛
柯伟
韦德行
王国庆
于卫昆
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MATERIAL AND INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE BEIJING
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Material And Industrial Technology Research Institute Beijing
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Priority to CN201620246876.9U priority Critical patent/CN205427163U/en
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Abstract

The utility model relates to a battery security test device field discloses a battery test device, include: support heating mechanism (1), this support heating mechanism can support and heat and surveyed the battery, pressing mechanism (2), this pressing mechanism has the component of exerting pressure (21) and a pressure sensor (22), it can be by the drive in order to be close to or to keep away from to exert pressure component (21) support heating mechanism (1) thereby extrusion on this supports heating mechanism (1) survey the battery, a pressure sensor (22) can exert pressure component (21) be close to measure when supporting heating mechanism (1) and support on this supports heating mechanism (1) come from by what the survey battery bore the exert pressure pressure of component (21). The utility model provides a battery test device can be to being surveyed multiple security tests such as the battery extrudees, acupuncture to be convenient for obtain to be surveyed the performance parameter of battery in the single test.

Description

Battery test apparatus
Technical field
This utility model 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 set of cells, lithium ion battery etc.) is likely to be in different working environments in use, thus shows different performances.Such as, under the extreme situation such as high temperature and/or high pressure, in fact it could happen that cross and put, cross punching etc. and cause damaging the reversible phenomenon of battery and occur, even directly result in battery explosion, threaten user security.Therefore, battery typically required before coming into operation and carries out security test.
Traditional battery security test mainly include acupuncture, extrude, impact etc., i.e. when tested battery is fully charged, 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.
But, the test device used in above-mentioned battery testing or equipment have the most single function, be difficult to complete simulated battery actually used time state and environment, not can determine that at the pressure piercing through, impact and applying in extrusion process, it is difficult to obtain tested battery by single test and on fire, explosion time state in which and environmental condition are occurring, waste battery material, testing cost is higher.
For this reason, it is necessary to provide a kind of battery test apparatus, to solve present in above-mentioned prior art at least partly technical problem.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of battery test apparatus, the multiple security test such as tested battery can be extruded by this battery test apparatus, acupuncture, and is easy to obtain the performance parameter of this tested battery in single is tested.
In order to solve above-mentioned technical problem, this utility model provides a kind of battery test apparatus, including: supporting heating arrangements, this support heating arrangements can support and heat tested battery;Pressure exerting arrangement, this pressure exerting arrangement has press member and the first pressure transducer, described press member can be actuated to closer or far from described support heating arrangements thus extrude described tested battery on this support heating arrangements, and described first pressure transducer can the pressure from described press member that bears of measurement is supported on this support heating arrangements when described press member is near described support heating arrangements described tested battery.
Preferably, described support heating arrangements includes heating plate and for supporting the graphite bolster plate of described tested battery, described heating plate has heating wire, described graphite bolster plate is arranged with the laminating of described heating plate, can heat the described tested battery being supported on described graphite bolster plate when described heating wire is energized.
Preferably, described battery test apparatus includes the apparatus casing being formed with test chamber, and described support heating arrangements has the supporting surface being positioned at described test chamber, and described press member is moved with closer or far from described support heating arrangements in this test chamber.
Preferably, described apparatus casing includes upper bush and lower sleeve, this upper bush is respectively provided with relative opening and abuts each other with lower sleeve, and described pressure exerting arrangement installs the upper end wall to described upper bush, and described support heating arrangements is arranged on the lower end wall medial surface of described lower sleeve.
Preferably, described battery test apparatus includes the power set for driving described press member, and these power set are arranged on the upper end wall lateral surface of described upper bush and are in transmission connection in described press member.
Preferably, the upper end wall of described upper bush is provided with at least one in fairlead, temperature sensor, the second pressure transducer.
Preferably, described pressure exerting arrangement includes the pressure The Cloud Terrace being connected to described press member, this pressure The Cloud Terrace includes: fixed part, and this fixed part includes spaced first fixed plate and the second fixed plate and is installed on the screw mandrel in this first fixed plate and the second fixed plate by bearing;The Cloud Terrace portion, this The Cloud Terrace portion includes spaced first The Cloud Terrace plate and the second The Cloud Terrace plate, wherein, it is provided with, on described first The Cloud Terrace plate, the screw coordinated with described wire rod thread, described press member is connected to the side of the most described first The Cloud Terrace plate of described second The Cloud Terrace plate, and this first The Cloud Terrace plate and the second The Cloud Terrace plate are connected with each other by the first support bar through the one in described first fixed plate and the second fixed plate and along the bearing of trend extension being parallel to described screw mandrel, with when described screw mandrel rotates, this The Cloud Terrace portion drives described press member along the axially-movable of described screw mandrel.
Preferably, described The Cloud Terrace portion also includes the pressure transmission plate being arranged at intervals at the most described first The Cloud Terrace plate side of described second The Cloud Terrace plate, this pressure transmission plate is slidably connected to described second The Cloud Terrace plate by connecting rod, and described first pressure transducer is installed on the side towards described pressure transmission plate of described second The Cloud Terrace plate, described press member is pressure push pedal or striker and is connected on described second The Cloud Terrace plate by described pressure transmission plate, with can be when described screw mandrel rotates, pass sequentially through described first The Cloud Terrace plate, first support bar, second The Cloud Terrace plate, first pressure transducer, pressure transmission plate transfers a driving force to described press member.
Preferably, described apparatus casing being provided with relief valve, when the air pressure in described test chamber reaches setting value, this relief valve is opened so that described test chamber connects with the space outside described apparatus casing.
Preferably, it is also equipped with for the camera head being observed in described test chamber on described apparatus casing, this camera head includes rustless steel sleeve pipe, one end of this rustless steel sleeve pipe is provided with to be had the infrared camera of quartz glass outer housing and is formed through extending to the control string holes of the other end, is formed with the control line intake for introducing the control line being connected to described infrared camera with the one end away from described infrared camera at this rustless steel sleeve pipe.
By technique scheme, battery test apparatus of the present utility model can heat tested battery by supporting heating arrangements, is allowed to be under different test temperature conditionss;And on tested battery, apply pressure to pierce through or to extrude this tested battery by press member (such as pressure push pedal or striker), wherein, first pressure transducer can measure the pressure that tested battery applies, it is thus able to obtain tested battery in the test of single or fewer number and the limiting pressure condition of on fire or blast etc. occurs, consequently facilitating save battery material, reduce testing cost.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, but is not intended that restriction of the present utility model together with detailed description below.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of the battery test apparatus according to a kind of preferred implementation of this utility model;
Fig. 2 is the schematic top plan view of battery test apparatus in Fig. 1;
Fig. 3 a and Fig. 3 b is that the master of the pressure The Cloud Terrace of battery test apparatus in Fig. 1 regards and perspective view respectively;
Fig. 4 a and Fig. 4 b is that in Fig. 3 a, the pressure The Cloud Terrace master when another lifting position regards and perspective view respectively;
Fig. 5 a and Fig. 5 b is the sectional view of the relief valve of battery test apparatus in Fig. 1 respectively;
Fig. 6 a and Fig. 6 b is the three-dimensional and main TV structure schematic diagram of the camera head of battery test apparatus 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
22 first pressure transducer 23 fixed part 231 first fixed plates
232 second fixed plate 233 screw mandrel 234 second support bars
24 The Cloud Terrace portion 241 first The Cloud Terrace plate 242 second The Cloud Terrace plates
243 first support bar 244 pressure transmission plate 245 connecting rods
246 bulb joint 3 apparatus casing 31 test chambers
32 upper bush 321 fairlead 322 temperature sensors
323 second pressure transducer 33 lower sleeve 4 power set
5 relief valve 51 valve seat 511 center-aisles
512 step surface 5121 concave part 52 diaphragms
53 compressing member 531 lobe 6 camera heads
61 control string holes 62 control line intake 63 sleeve pipe
631 external thread part 632 stage portion 64 photographic head
65 sealing rings
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 should be appreciated that detailed description of the invention described herein is merely to illustrate and explains this utility model, it is not limited to this utility model.
Referring to figs. 1 through Fig. 6 b, according to the battery test apparatus of a kind of preferred implementation of this utility model, including supporting heating arrangements 1 and pressure exerting arrangement 2.
Wherein, tested battery (not shown) can be supported on support heating arrangements 1, and is heated by this support heating arrangements 1, in order to makes tested battery have required test temperature.By controlling heater element (such as following electric hot plate 11), tested battery can be made to have different temperature.
Pressure exerting arrangement 2 has press member 21 (such as pressure push pedal 21a or striker etc.), and this press member 21 can be driven, closer or far from supporting heating arrangements 1, thus to extrude tested battery on this support heating arrangements 1 by such as power set 4.It is understandable that, extruding described herein includes as utilized all types of press member 21 such as striker, pressure push pedal 21a to thrust, impact or compress tested battery, as long as press member 21 is applied with pressure effect on tested battery, belong to design category of the present utility model.Additionally, pressure exerting arrangement 2 also has the first pressure transducer 22, this first pressure transducer 22 can be supported on, in press member 21 measurement in time supporting heating arrangements 1 and act on tested battery, the pressure that the tested battery supported on heating arrangements 1 bears, this pressure can be the force value in instantaneous (or short time) under percussion, it is also possible to is the pressure gradually changed that is applied on tested battery of pressure push pedal 21a.
Battery test apparatus of the present utility model can be to be formed as various structures form, tested battery is heated by supporting heating arrangements 1, it 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, impact, extrude tested battery, measured the pressure of applying by the first pressure transducer 22 simultaneously, tested battery can be carried out multiple security test, and it is on fire to be easy to obtain the generation of tested battery in the test of single or fewer number, blast etc. time limiting pressure condition, can effectively save battery material, reduce testing cost.
With reference to shown in Fig. 1, in the battery test apparatus according to a kind of preferred implementation of this utility model, can include apparatus casing 3, this apparatus casing 3 is formed with test chamber 31.In this case, the main functional parts (as supported heating arrangements 1 and pressure exerting arrangement 2 etc.) of battery test apparatus can be arranged in this test chamber 31, and complete security test in this test chamber 31, with avoid tested battery in test process to burn, blast etc., testing crew is damaged.Such as, in the shown embodiment, support heating arrangements 1 and there is the supporting surface (such as the upper surface of graphite bolster plate 12) for supporting tested battery, this supporting surface is positioned at test chamber 31, press member 21 is moved with closer or far from supporting heating arrangements 1 in this test chamber 31, thus the tested battery on supporting surface applies pressure when close, 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 testing crew.Additionally, be can be seen that by explanation subsequently, apparatus casing 3 can be set to the test chamber 31 with vertically extension, the supporting surface supporting heating arrangements 1 is positioned at horizontal direction, press member 21 in the vertical direction moves 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, support heating arrangements 1 and are positioned over the bottom of test chamber 31.
For the ease of being positioned over by tested battery on the supporting surface supporting heating arrangements 1, and it is easily installed, keeps in repair and changes the parts in test chamber 31, apparatus casing 3 can be set to split-type structural.Specifically, as it is shown in figure 1, apparatus casing 3 can include upper bush 32 and lower sleeve 33, this upper bush 32 is respectively provided with relative opening and abuts each other (as passed through flange) with lower sleeve 33.Pressure exerting arrangement 2 installs the upper end wall to upper bush 32, and its press member 21 can be in transmission connection with the clutch end of power set 4 (such as motor etc.), to this end, power set 4 can be arranged on the upper end wall lateral surface of upper bush 32.Support on the medial surface of the lower end wall that heating arrangements 1 is arranged at lower sleeve 33, it is possible to utilize lead-in wire to be electrically connected to as being positioned at the power supply outside apparatus casing 3.
In above-mentioned preferred implementation, for the ease of such as the lead-in wire access of power set 4, the support tested battery of heating arrangements 1 etc., fairlead 321 can be arranged on apparatus casing 3.For example, referring to shown in Fig. 2, this fairlead 321 can be arranged in the upper end wall of upper bush 32.Additionally, alternatively and preferably, temperature sensor the 322, second pressure transducer 323 etc. can also be set in this upper end wall, for parameters such as the ambient temperature measured, monitor in test chamber 31 and/or air pressure, consequently facilitating more accurately and comprehensively obtain the performance condition of tested battery.
Referring again to shown in Fig. 1, in battery test apparatus of the present utility model, supporting 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 by forming upper surface as supporting surface).Heating plate 11 can have heating wire, when this heating wire is energized, can be heated tested battery by graphite bolster plate 12.In this preferred implementation, graphite bolster plate 12 is set and is mainly used in the test of thermal cell (group), be 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.
Be can be seen that by described above, (due to burning, blast etc.), there is more rugged environment during battery testing, 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, when being increased to setting value with the pressure in test chamber 31, connect the test chamber 31 space outside apparatus casing 3 under by the differential pressure action at relief valve 5 two ends to connect, thus discharge the pressure in test chamber 31, limit the hyperbar that this test chamber 31 is allowed.It addition, in order to observe test mode, it is also possible to camera head 6 is installed on apparatus casing 3, and avoids this camera head 6 cannot clearly shoot the problem such as the situation in test chamber 31 or at high temperature damage by special design.
In order to be more fully understood that technique scheme of the present utility model and further preferred technical scheme be described, to be described in detail the several critical components in battery test apparatus of the present utility model respectively below, these explanations are not used to constitute the restriction to this utility model concept.
Pressure The Cloud Terrace
In conjunction with Fig. 1, Fig. 3 a to Fig. 4 b, the pressure exerting arrangement 2 in battery test apparatus of the present utility model can include the pressure The Cloud Terrace being connected to press member 21.Wherein, Fig. 3 a-3b and Fig. 4 a-4b is respectively view when this pressure The Cloud Terrace is in different lifting position, Fig. 3 a and Fig. 3 b is the lifting position making pressure elements 21 be in when lifting position when stretching out limit state, Fig. 4 a and Fig. 4 b are to make pressure elements 21 be in retraction limit state.Further, in order to preferably represent the concrete structure of this pressure The Cloud Terrace, the pressure The Cloud Terrace shown in Fig. 3 a to Fig. 4 b is the inversion state of the pressure The Cloud Terrace during installment state in Fig. 1.
This pressure The Cloud Terrace includes fixed part 23 and The Cloud Terrace portion 24.Wherein, The Cloud Terrace portion 23 has the screw mandrel 233 installed by bearing (such as crosswise roller bearing);The Cloud Terrace portion 24 is provided with and the screw of described screw mandrel 233 threaded engagement.When screw mandrel 233 (under driving at power set 4) rotates, The Cloud Terrace portion 24 can drive the axially-movable being connected to press member 21 thereon along screw mandrel 233, to apply pressure by this press member 21 to tested battery.
Herein, pressure elements 21 can be pressure push pedal 21a as above, striker etc..This pressure The Cloud Terrace is with fixed part 23 for motion frame (as being fixed on apparatus casing 3), thus when screw mandrel 233 rotates, The Cloud Terrace portion 24 is utilized to drive press member 21 to apply pressure on tested battery to pierce through or to extrude this tested battery, it is possible to realize multiple security test function.
In the shown embodiment, fixed part 23 includes spaced first fixed plate 231 and the second fixed plate 232, thus screw mandrel 233 may be mounted in this first fixed plate 231 and the second fixed plate 232, i.e. being respectively arranged with bearing in the first fixed plate 231 and the second fixed plate 232, screw mandrel 233 is installed to extend between the first fixed plate 231 and the second fixed plate 232 by this bearing.Utilize this spaced first fixed plate 231 and the second fixed plate 232 can limit two extreme sport positions in The Cloud Terrace portion 24 respectively.But this utility model is not limited to this, such as, can only arrange a fixed plate, and make screw mandrel 233 be arranged in the upper end wall of this fixed plate and apparatus casing 3, this screw mandrel 233 extends on this upper end wall to be in transmission connection to the clutch end of power set 4.
Further, The Cloud Terrace portion 24 can include spaced first The Cloud Terrace plate 241 and the second The Cloud Terrace plate 242.Wherein, it is arranged at the first The Cloud Terrace plate 241, i.e. this first The Cloud Terrace plate 241 between the first fixed plate 231 and the second fixed plate 232 for the screw with screw mandrel 233 threaded engagement.In order to power be transferred to when the first The Cloud Terrace plate 241 is mobile with the rotation of screw mandrel 233 second The Cloud Terrace plate 242, first The Cloud Terrace plate 241 and the second The Cloud Terrace plate 242 are connected with each other by the first support bar 243, this first support bar 243 extends through the one in the first fixed plate 231 and the second fixed plate 232, and bearing of trend is parallel to the bearing of trend of screw mandrel 233.It is thus possible to press member 21 to be connected to the side of the first The Cloud Terrace plate 241 dorsad of the second The Cloud Terrace plate 242, press member 21 can be made when mobile to apply pressure to tested battery.Alternatively, The Cloud Terrace portion 24 can also only arrange a The Cloud Terrace plate, for being arranged at this The Cloud Terrace plate with the screw of screw mandrel 233 threaded engagement, in order to transmit power by this The Cloud Terrace plate to press member 21, this The Cloud Terrace plate can be made to extend to outside fixed part 23, as in the placement location of Fig. 3 a, the first The Cloud Terrace plate 241 is made to extend horizontally to beyond the second fixed plate 232, it is thus possible to walk around this second fixed plate 232 to be directly connected to press member 21, and without arranging the second The Cloud Terrace plate 242 and the first support bar 243 etc..
Rotate at screw mandrel 233 and drive in the first The Cloud Terrace plate 241 and the second The Cloud Terrace plate 242 motor process, frictional force between screw thread may drive this first The Cloud Terrace plate 241 and the second The Cloud Terrace plate 242 to rotate, it is impossible to the rotary motion of the clutch end of power set 4 is converted into the axial displacement of the bearing of trend along screw mandrel 233 of press member 21 well.To this end, the second fixed plate 232 can be directly anchored on the sidewall of apparatus casing 3.In preferred implementation of the present utility model, the second support bar 234 can be connected between the first fixed plate 231 with the second fixed plate 232, make this second support bar 234 through the first The Cloud Terrace plate 241 and along the bearing of trend extension being parallel to screw mandrel 233, thus the first fixed plate 231 and the second fixed plate 232 are at least fixed to one another in the circumference around screw mandrel 241, and jointly act on limiting the first The Cloud Terrace plate 241 and rotation of the second The Cloud Terrace plate 242 by the second support bar 234 and above-mentioned first support bar 243, it is allowed to be only capable of moving along the bearing of trend being parallel to screw mandrel 233.
Importantly, according to this utility model one the most preferred embodiment in, The Cloud Terrace portion 24 also includes the pressure transmission plate 244 for connecting press member 21, tested battery can be transferred to the first pressure transducer 22, to measure the pressure suffered by tested battery by this pressure transmission plate 244 to the counteracting force of press member 21.Specifically, pressure transmission plate 244 can be spaced apart and arranged in the side of the first The Cloud Terrace plate 241 dorsad of this second The Cloud Terrace plate 242 with the second The Cloud Terrace plate 242, and is slidably connected by connecting rod 245.It is to say, pressure transmission plate 244 can slide along connecting rod 245 to the second The Cloud Terrace plate 242 under the counteracting force of tested battery.The side towards pressure transmission plate 244 of the second The Cloud Terrace plate 242 is provided with the first pressure transducer 22, and press member 21 is connected to pressure transmission plate 244.Thus, when screw mandrel 233 rotates, the driving force of this screw mandrel 233 transmission can pass sequentially through first The Cloud Terrace plate the 241, first support bar the 243, second The Cloud Terrace plate the 242, first pressure transducer 22 and pressure transmission plate 244 is transferred to press member 21 (i.e. during negligible friction, connecting rod 245 is not by axial force), to press to tested battery.Now, the power that the first pressure transducer 22 records acts on the pressure on tested battery equal to press member 21.It addition, arrange, pressure transmission plate 244 can also burn at tested battery, explosion time is avoided directly damaging the first pressure transducer 22 and the miscellaneous part of pressure The Cloud Terrace, thus increased the service life.Typically, the first pressure transducer 22 in this utility model can be load sensor.
Further, bulb joint 246 for connecting press member 21 can be installed on pressure transmission plate 244, the advantage of this setup is, if tested battery offsets (i.e. pressure application point is not on the axis of screw mandrel 233) for the counteracting force of press member 21 relative to screw mandrel 233 existence, this counteracting force all can be transferred to the first pressure transducer 22 by bulb joint 246 along the bearing of trend being parallel to screw mandrel 233, thus accurately measures the pressure suffered by tested battery.
Relief valve
In conjunction with Fig. 1, Fig. 2, Fig. 5 a and Fig. 5 b, in the battery test apparatus of this utility model preferred implementation, relief valve 5 can be installed on apparatus casing 3, when the air pressure in test chamber 31 reaches to arrange value, this relief valve 5 is opened so that test chamber 31 connects 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 rupture under this differential pressure action when the pressure reduction at center-aisle 511 two ends reaches setting value.Thus, it is possible to limit, by this relief valve 5, the maximum pressure that test chamber 31 is allowed, it is to avoid the safety issue that hypertonia causes.Diaphragm 52 described herein can use multiple suitable material, such as metallic membrane (such as aluminium foil), PP film, PE film etc..
Just as described above, valve seat 51 can be connected to apparatus casing 3 with multiple appropriate format, as welded, being spirally connected.In illustrated preferred embodiment, end, one end outer peripheral face of valve seat 51 is formed with external screw thread, in order to be screw-coupled to be formed in the screw on apparatus casing 3.By this set, relief valve 5 can be pulled down easily from apparatus casing 3, in order to change or keep in repair.
In this utility model, diaphragm 52 can also be arranged in many ways, as being directly bonded on valve seat 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 the compressing member 53 with annular shape, and this compressing member 53 is connected to valve seat 51, and is fixed in center-aisle 511 by diaphragm 52.For example, it is possible to utilize the end face of this compressing member 53 or side face to closely cooperate and fixing diaphragm 52 with valve seat 51, this will be described in detail subsequently.Alternately, diaphragm 52 can be fixed to one end of valve seat 51, such as, can form female thread on compressing member 53, and make it coordinate with the external screw thread on valve seat 51, so that diaphragm 52 to be pressed on one end of valve seat 51 by compressing member 53.
A kind of preferred implementation of the present utility model utilizes the end face of compressing member 53 to closely cooperate and fixing diaphragm 52 with valve seat 51, with reference to Fig. 5 a, it is formed with step surface 512 in the center-aisle 511 of valve seat 51, in compressing member 53 is connected to this center-aisle 511 and be resisted against on step surface 512, it is thus possible to utilize step surface 512 to limit the link position of compressing member 53, it is easy to firm connection, to be fixedly clamped between compressing member 53 and step surface 512 by diaphragm 52.
Just as described above, the diaphragm 52 of relief valve 5 in use can rupture because of the pressure reduction of setting value, thus results in relief valve 5 and lost efficacy.To this end, can be set to be detachably connectable on valve seat 51 by above-mentioned compressing member 53, 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, what the outer rim with step surface 512 of center-aisle 511 was adjacent is formed in part with female thread, and compressing member 53 is formed with external screw thread in can being screw-coupled to center-aisle 511 and to be limited link position by step surface 512.It is thus possible to change diaphragm 52 by being pulled down from valve seat 51 by compressing member 53.
Herein, for the ease of pulling down compressing member 53, the screw thread dismounting fit structure for coordinating can be formed on dismantling device.This screw thread dismounting fit structure can be to be formed as various suitable form, as endoporus is formed as interior hexagon to utilize inner hexagon spanner to dismount;Or, end face at the step surface dorsad 512 of compressing member 53 forms the structure for dismantling device, such as yi word pattern groove, on the end face of the step surface dorsad 512 of the compressing member 53 of annular shape, i.e. form two groove parts being located along the same line, so that the instruments such as straight screwdriver can be utilized to dismount.
Importantly, relief valve 5 of the present utility model is for opening to discharge pressure during hypertonia in test chamber 31, but, relative closure should be kept when pressure in test chamber 31 is less, to have higher test accuracy, for this reason, it may be necessary to make relief valve 5 have preferable sealing before opening.This utility model one the most preferred embodiment in, could be formed with concave part 512 at least one in the step surface 512 of valve seat 51 and the end face towards step surface 512 of compressing member 53, another one is formed the lobe 531 mated with this concave part 5121.Thus, when compressing member 53 is connected as being resisted against on step surface 512, diaphragm 52 can be pressed in concave part 5121, it is to avoid the gas in test chamber 31 is excessive by this connecting portion.
By the above-mentioned relief valve 5 being connected on apparatus casing 3, can be when the air pressure in test chamber 31 reaches predetermined value, relief valve 5 is made to open (diaphragm 52 ruptures) under differential pressure action, with connection test chamber 31 and the space outside apparatus casing 3, pressure in release test chamber 31, the safety hazards avoiding hypertonia to cause by limiting its maximum allowable pressure.
Camera head
In conjunction with Fig. 1, Fig. 2, Fig. 6 a and Fig. 6 b, in the battery test apparatus of this utility model preferred implementation, camera head 6 can be installed on apparatus casing 3, for observing the test mode in test chamber 31.
This camera head 6 can include sleeve pipe 63, one end of this sleeve pipe 63 is provided with photographic head 64 and is formed with the control string holes 61 extending through to the other end from this photographic head 64, such as, photographic head 64 can be installed in the one end of the control string holes 61 being formed through, then the other end can be as control line intake 62, control line can be introduced to control to be connected in string holes 61 and with photographic head 64 by this control line intake 62, in order to observes tested battery situation of change in test process by this photographic head 64.Herein, control line can be played certain protective role by sleeve pipe 63.
Just as described above, during battery testing, apparatus casing 3 and test chamber 31 thereof have the most severe test environment, and such as high temperature, high pressure etc., photographic head 64, control line etc. are easily caused damage, and be not easy to clearly observe test mode by this.To this end, this utility model each provides corresponding preferred version.
In order to control line being provided preferably protection, it is to avoid or reduce corrosion, sleeve pipe 63 can be stainless steel sleeve pipe, to have longer service life.The outer peripheral face part of the close control line intake 62 of this sleeve pipe 63 can be formed towards the taper type shape that this control line intake 62 direction is tapered, to have higher structural strength.Although various ways can being provided to protect, but camera head 6 still falling within the consumable accessory in battery test apparatus, for ease of changing or maintenance, it can be made to be removably attachable on apparatus casing 3.For example, it is possible to form external thread part 631 in one end outer peripheral face part of the close photographic head 64 of sleeve pipe 63, so that apparatus casing 3 can be threaded io and makes photographic head 64 be observed in stretching to apparatus casing 3.
During proper testing, relative closure in test chamber 31, should be kept, to have higher test accuracy, camera head 6 should be reduced as far as possible and connect the sealing problem caused.For this, adjacent with external thread part 631 and towards photographic head 64 side stage portion 632 can be formed on sleeve pipe 63, it is provided with sealing ring 65, such that it is able to utilize sealing ring 65 to be attached sealingly on apparatus casing 3 by making stage portion 632 compress towards apparatus casing 3 in this stage portion 632.This sealing ring 65 can have various suitable material, as long as it has higher corrosion resistance, pressure high-temperature stability, typically, this sealing ring 65 can be teflon seal ring.
During battery testing, in test chamber 31, usually smog curls up, and causes utilizing common camera cannot clearly observe test status.To this end, this utility model uses infrared camera, thus it is observed when can not only there is smog in test chamber 31, additionally it is possible to obtain the status informations such as the electric discharge of tested battery, internal-response easily.Photographic head 4, owing to needs are towards in test chamber 31, face the most worse test environment, to this end, quartz glass outer housing can be made it have, to be resistant to high temperature, environment under high pressure, increases the service life.
By the above-mentioned camera head 6 being connected on apparatus casing 3, the state when electric discharge during battery testing, internal-response and battery generation safety problem can be observed, solve cannot clearly shoot under smoky environment the problem of test chamber 31 inner case, consequently facilitating more fully know battery testing information.
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing; but; this utility model 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 protection domain of the present utility model.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in the case of reconcilable, can be combined by any suitable means.In order to avoid unnecessary repetition, various possible compound modes are illustrated by this utility model the most separately.
Additionally, can also carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (10)

1. a battery test apparatus, it is characterised in that this battery test apparatus includes:
Supporting heating arrangements (1), this support heating arrangements (1) can support and heat tested battery;
Pressure exerting arrangement (2), this pressure exerting arrangement (2) has press member (21) and the first pressure transducer (22), described press member (21) can be actuated to closer or far from described support heating arrangements (1) thus at this support heating arrangements (1) described tested battery of upper extruding, described first pressure transducer (22) can the measurement described tested battery that is supported on this support heating arrangements (1) bears when described press member (21) is near described support heating arrangements (1) the pressure from described press member (21).
Battery test apparatus the most according to claim 1, it is characterized in that, described support heating arrangements (1) includes heating plate (11) and for supporting the graphite bolster plate (12) of described tested battery, described heating plate (11) has heating wire, described graphite bolster plate (12) is arranged with described heating plate (11) laminating, can heat the described tested battery being supported on described graphite bolster plate (12) when described heating wire is energized.
Battery test apparatus the most according to claim 1, it is characterized in that, described battery test apparatus includes the apparatus casing (3) being formed with test chamber (31), described support heating arrangements (1) has the supporting surface being positioned at described test chamber (31), and described press member (21) is moved with closer or far from described support heating arrangements (1) in this test chamber (31).
Battery test apparatus the most according to claim 3, it is characterized in that, described apparatus casing (3) includes upper bush (32) and lower sleeve (33), this upper bush (32) is respectively provided with relative opening with lower sleeve (33) and abuts each other, described pressure exerting arrangement (2) installs the upper end wall to described upper bush (32), and described support heating arrangements (1) is arranged on the lower end wall medial surface of described lower sleeve (33).
Battery test apparatus the most according to claim 4, it is characterized in that, described battery test apparatus includes the power set (4) for driving described press member (21), and these power set (4) are arranged on the upper end wall lateral surface of described upper bush (32) and are in transmission connection in described press member (21).
Battery test apparatus the most according to claim 4, it is characterized in that, the upper end wall of described upper bush (32) is provided with at least one in fairlead (321), temperature sensor (322), the second pressure transducer (323).
Battery test apparatus the most as claimed in any of claims 1 to 6, it is characterised in that described pressure exerting arrangement (2) includes the pressure The Cloud Terrace being connected to described press member (21), and this pressure The Cloud Terrace includes:
Fixed part (23), this fixed part (23) includes spaced first fixed plate (231) and the second fixed plate (232) and is installed on the screw mandrel (233) in this first fixed plate (231) and the second fixed plate (232) by bearing;
nullThe Cloud Terrace portion (24),This The Cloud Terrace portion (24) includes spaced first The Cloud Terrace plate (241) and the second The Cloud Terrace plate (242),Wherein,It is provided with and the screw of described screw mandrel (233) threaded engagement on described first The Cloud Terrace plate (241),Described press member (21) is connected to the side of the most described first The Cloud Terrace plate (241) of described second The Cloud Terrace plate (242),And this first The Cloud Terrace plate (241) and the second The Cloud Terrace plate (242) are connected with each other by the first support bar (243) through the one in described first fixed plate (231) and the second fixed plate (232) and along the bearing of trend extension being parallel to described screw mandrel (233),With when described screw mandrel (233) rotates,This The Cloud Terrace portion (24) drives described press member (21) along the axially-movable of described screw mandrel (233).
nullBattery test apparatus the most according to claim 7,It is characterized in that,Described The Cloud Terrace portion (24) also includes the pressure transmission plate (244) being arranged at intervals at the most described first The Cloud Terrace plate (241) side of described second The Cloud Terrace plate (242),This pressure transmission plate (244) is slidably connected to described second The Cloud Terrace plate (242) by connecting rod (245),And described first pressure transducer (22) is installed on the side towards described pressure transmission plate (244) of described second The Cloud Terrace plate (242),Described press member (21) is pressure push pedal (21a) or striker and is connected on described second The Cloud Terrace plate (242) by described pressure transmission plate (244),With can be when described screw mandrel (233) rotates,Pass sequentially through described first The Cloud Terrace plate (241)、First support bar (243)、Second The Cloud Terrace plate (242)、First pressure transducer (22)、Pressure transmission plate (244) transfers a driving force to described press member (21).
9. according to the battery test apparatus described in any one in claim 3 to 6, it is characterized in that, relief valve (5) is installed on described apparatus casing (3), when the air pressure in described test chamber (31) reaches setting value, this relief valve (5) is opened so that described test chamber (31) connects with the space of described apparatus casing (3) outside.
10. according to the battery test apparatus described in any one in claim 3 to 6, it is characterized in that, it is also equipped with for the camera head (6) being observed in described test chamber (31) on described apparatus casing (3), this camera head includes rustless steel sleeve pipe, one end of this rustless steel sleeve pipe is provided with to be had the infrared camera of quartz glass outer housing and is formed through extending to the control string holes (61) of the other end, it is formed with the control line intake (62) for introducing the control line being connected to described infrared camera with the one end away from described infrared camera at this rustless steel sleeve pipe.
CN201620246876.9U 2016-03-28 2016-03-28 Battery test device Active CN205427163U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106248337A (en) * 2016-08-22 2016-12-21 芜湖凯尔电气科技有限公司 Internet of Things thin battery crash tests device
CN106442149A (en) * 2016-08-29 2017-02-22 安徽凯达能源科技有限公司 Device for detecting pressure-resistant property of new energy battery
CN106706756A (en) * 2017-02-13 2017-05-24 天津出入境检验检疫局工业产品安全技术中心 Device and method for detecting safety of lithium ion battery for electric bicycle
CN107238799A (en) * 2016-03-28 2017-10-10 新材料与产业技术北京研究院 Battery test apparatus
CN110531267A (en) * 2019-08-30 2019-12-03 恒大新能源科技集团有限公司 Battery thermal shock test method and test device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107238799A (en) * 2016-03-28 2017-10-10 新材料与产业技术北京研究院 Battery test apparatus
CN107238799B (en) * 2016-03-28 2023-09-12 新材料与产业技术北京研究院 Battery testing device
CN106248337A (en) * 2016-08-22 2016-12-21 芜湖凯尔电气科技有限公司 Internet of Things thin battery crash tests device
CN106442149A (en) * 2016-08-29 2017-02-22 安徽凯达能源科技有限公司 Device for detecting pressure-resistant property of new energy battery
CN106706756A (en) * 2017-02-13 2017-05-24 天津出入境检验检疫局工业产品安全技术中心 Device and method for detecting safety of lithium ion battery for electric bicycle
CN110531267A (en) * 2019-08-30 2019-12-03 恒大新能源科技集团有限公司 Battery thermal shock test method and test device

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Patentee before: Beijing carbon sun Technology Co., Ltd.