CN110275112A - A kind of attachment device and detection system of detection battery pack mould group and shell insulation - Google Patents
A kind of attachment device and detection system of detection battery pack mould group and shell insulation Download PDFInfo
- Publication number
- CN110275112A CN110275112A CN201910660477.5A CN201910660477A CN110275112A CN 110275112 A CN110275112 A CN 110275112A CN 201910660477 A CN201910660477 A CN 201910660477A CN 110275112 A CN110275112 A CN 110275112A
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- Prior art keywords
- attachment device
- detection
- mould group
- battery pack
- contact
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001514 detection method Methods 0.000 title claims abstract description 70
- 238000009413 insulation Methods 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims description 5
- 230000002459 sustained effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013569 fruit product Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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]
- G01R31/364—Battery terminal connectors with integrated measuring arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides the attachment devices and detection system of a kind of detection battery pack mould group and shell insulation.Attachment device includes: main structure, is mounted on the positioning element and contact assembly and clamping device of main structure.Detection system includes a pair of of attachment device, and respective positioning element and contact assembly are symmetrical arranged, and a pair of of attachment device passes through conducting wire respectively and is connected to detection device.Attachment device and detection system in the present invention the utility model has the advantages that (1) securely and reliably, light durable；(2) operator is easy to use reliable, and is easy hand in study.(3) operator will not generate maloperation, avoid risk.
Description
Technical field
The present invention relates to a kind of Insulation Inspection Systems, and in particular to a kind of connection of detection battery pack mould group and shell insulation
Device and detection system belong to power battery technology field.
Background technique
New energy car battery packet is due to consideration that electrical safety at present, need to guarantee before assembly covers battery modules and
Battery pack housing is completely insulated.But in the detection process, such as fruit product electric leakage, very big voltage and current can be generated, people is such as
Fruit leans on too close or insulation meter is taken to measure, it may occur that safety accident.Battery modules should distinguish positive and negative anodes, and artificial measurement can
Wrong mould group electrode can be surveyed, generated dangerous.Insulation meter in existing detection system needs periodically to carry out third party's detection, cost compared with
It is high.These problems are urgently to be resolved.
Summary of the invention
The technical problems to be solved by the present invention are: providing the battery pack mould group and shell of a kind of light durable, safe and convenient
Body Insulation Inspection System.
In order to solve the above-mentioned technical problem, the first aspect of the present invention provides a kind of detection battery pack mould group and shell
The attachment device of insulation, comprising:
Main structure, main structure include a straight beam；
Positioning element, positioning element are connected to the front of straight beam, and positioning element is used for the positioning in mould group；
Contact assembly, contact assembly are connected to the front of straight beam, and contact assembly is configured as: when carrying out Insulation monitoring,
Contact assembly is contacted with the conductive component of mould group；And
Clamping device, clamping device are connected to the tail portion of straight beam, and clamping device is for making attachment device be fixed on shell.
It in some embodiments, further include a holding assembly, holding assembly is connected to the top of straight beam.
In some embodiments, including a switching beam, switching beam are connected to the front of straight beam and, positioning vertical with straight beam
Component and contact assembly are separately mounted to the both ends of switching beam lower surface.
In some embodiments, contact assembly includes:
Mandril is contacted, contact mandril is movably arranged in the mounting hole of switching beam；And
Elastomeric element, elastomeric element is sleeved on contact mandril, and so that the contact jaw for contacting mandril is bounced off switching by elastic force
Beam.
In some embodiments, the contact surface of contact jaw is plane.
In some embodiments, the tail portion for contacting mandril is equipped with terminals.
In some embodiments, straight beam lower part has protruding portion, and protruding portion is used cooperatively with clamping device.
In some embodiments, straight beam, switching beam, holding assembly all use insulating polymeric material to make.
The second aspect of the present invention provides the detection system of a kind of detection battery pack mould group and shell insulation, comprising:
Detection device, for detection device for detecting electric signal, detection device is provided with first switch and second switch；
First attachment device, including the first switching beam, the first positioning element and the first contact assembly, the first positioning element with
First contact assembly is connected to right end and the left end of the first switching beam lower surface；First attachment device is connected by the first conducting wire
It is connected to detection device, and on-off is controlled by first switch；
Second attachment device, including the second switching beam, the second positioning element and the second contact assembly, the second positioning element with
Second contact assembly is connected to left end and the right end of the second switching beam lower surface；Second attachment device is connected by the second conducting wire
It is connected to detection device, and on-off is controlled by second switch.
In some embodiments, first switch and second switch are all push-button switch, and push-button switch is configured as: two
A push-button switch all by sustained hold when, entire detection circuit is in the conductive state；Any one push-button switch quilt
When release, entire detection circuit is cut off.
Beneficial effects of the present invention: (1) attachment device is safe and reliable, light durable；(2) operator is easy to use can
It leans on, and is easy hand in study；(3) operator will not generate maloperation, avoid risk.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the attachment device in a preferred embodiment of the present invention；
Fig. 2 is another viewing angle constructions schematic diagram of the attachment device in a preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the clamping device in a preferred embodiment of the present invention；
Fig. 4 is the structure and connection schematic diagram of the detection system in a preferred embodiment of the present invention；
Fig. 5 is the schematic diagram that the attachment device in a preferred embodiment of the present invention is connect with battery pack housing.
Description of symbols in above-mentioned each figure:
100 attachment devices
110 straight beams
111 protruding portions
120 holding assemblies
121 screw holes
130 clamping devices
131 connection frames
132 spanners
133 connecting bending components
134 push rods
135 clamping ends
140 switching beams
141 screw holes
150 cover boards
160 positioning elements
170 contact assemblies
171 springs
180 terminals
200 attachment devices
300 detection devices
311 switches
312 switches
321 conducting wires
322 conducting wires
330 display screens
Specific embodiment
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Unless otherwise defined, claims of this patent and technical term or scientific term used in the description
It should be the ordinary meaning that the personage in this patent technical field with general technical ability is understood.This specification and right
" first ", " second " used in claim and similar word are not offered as any sequence, quantity or importance, and
It is used only to distinguish different component parts.The similar word such as "one" or " one " is not offered as quantity limitation, but indicates
There are at least one.In the description of this patent, unless otherwise indicated, the meaning of " plurality " is two or more." packet
Including " element or object that the similar word such as either " there is " to mean to appear in front of " comprising " or " having " cover appearance
In the element or object and its equivalent element of " comprising " or " having " presented hereinafter, it is not excluded that other elements or object
Part.
In the description of this patent, it is to be understood that term " on ", "lower", "left", "right", "horizontal", " cross ",
The orientation or positional relationship of the instructions such as " vertical ", "top", "bottom", "inner", "outside", " clockwise ", " axial direction ", " radial direction ", " circumferential direction "
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description this patent and simplify description, rather than indicate or
It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as
Limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in this patent can be understood with concrete condition.
The attachment device and detection system of detection battery modules provided by the invention and shell insulation, are used for used in new energy vehicles
In power battery pack equipment detection process, attachment device quickly will test harness by elbow clip clamping device and be fixed on battery pack
On shell, Insulation monitoring is then carried out.
As shown in Figure 1, the main body of detection battery pack mould group provided in this embodiment and the attachment device 100 of shell insulation is
One straight beam 110 is made of lightweight insulating polymer material.110 lower part of straight beam is integrally formed with straight beam 110 with one
Protruding portion 111, main body entire in this way are wealthy T-shaped in drawing.Protruding portion 111 makes with the cooperation of clamping end 135 in clamping device 130
With, protruding portion 111 is placed on case inside, and clamping end 135 is placed on hull outside, and the two distance clamps shell after,
Attachment device 100 entire in this way is secured on shell.In order to be easily accessible protruding portion 111 in shell, in protruding portion 111
A section is provided with the close obliquely downward of shell.
A holding assembly 120 is connected with above straight beam 110.120 both ends bottom of holding assembly respectively has a screw hole
121, holding assembly 120 is fixed by screws in the upper surface of straight beam 110.The width of holding assembly 120 is more slightly wider than the manpower palm, holds
The upper bottom surface for holding component 120 is slightly arc-shaped, meets ergonomics.Holding assembly 120 is also by lightweight insulating polymer material system
At.The elastic material with decorative pattern, such as rubber skin can be also coated on holding assembly 120 as needed, increases and holds comfortably
Degree.
Clamping device 130 is mounted on the lower surface of 110 one end of straight beam.Clamping device 130 by connection frame 131, spanner 132,
The composition such as connecting bending component 133, push rod 134 and clamping end 135.The enlarged drawing of clamping device 130 is as shown in Figure 3.Connection frame 131 by
Piece of metal plate is formed through punching, bending process, and connection frame 131 will be clamped entirely by three screws with there are three screw holes
Mechanism 130 is mounted on straight beam 110.In the front hole of the half insertion connection frame 131 of push rod 134, the front end of push rod 134 is equipped with
Clamping end 135, clamping end 135 is made by insulation but somewhat resilient material, such as polyurethane, vulcanie etc..Push rod 134
Tail end is connect by articulated manner with one end of connecting bending component 133.The other end of connecting bending component 133 is flexibly connected with spanner 132.
Spanner 132 is also movably connected in the tail hole of connection frame 131 simultaneously.The material that the end of spanner 132 is cased with convenient for comfortable grip.
As shown in Fig. 2, 110 front end of straight beam is equipped with a switching beam 140, switching beam 140 with there are four screw hole 141,
Switching beam 140 is secured firmly to 110 front end of straight beam by screw.The top of switching beam 140 is equipped with cover board 150, on the one hand
It is for beauty, on the one hand also for safety.For a part of switching beam 140 with jagged, this is to better conform to shell
Shape.Switching beam 140 and cover board 150 are all made by lightweight insulating polymer material.The fixed peace in one end of the lower part of switching beam 140
Equipped with positioning element 160, positioning element 160 is for the positioning to mould group.Positioning element 160 uses wear-resisting metal material system
Make, such as steel.
The other end activity of the lower part of switching beam 140 is installed with contact assembly 170.Contact assembly 170 is mainly pushed up by contact
Bar and the spring 171 being sleeved on contact mandril form.It contacts in the mounting hole of upper end insertion switching beam 140 of mandril, most
Top is connect with a copper terminals 180, and terminals 180 are connect with conducting wire 321, see Fig. 4.It contacts mandril and uses electric conductivity
Preferable material is made, such as copper.When carrying out Insulation monitoring, contact assembly 170 under the effect of elastic force that spring 171 provides,
Its bottom surface is compressed to be contacted with the conductive component of mould group.In order to increase this contact area, the bottom surface of contact assembly 170 is flat
It is whole.
One of attachment device 100 of detection system is described in detail above, is discussed in detail again below based on above-mentioned company
The Insulation Inspection System of connection device.
Entire Insulation Inspection System is made of a pair of of attachment device and detection device and necessary connecting wire, sees Fig. 4
It is shown.Attachment device 100 therein has been described in detail above, the structure substantially phase of another attachment device 200 and attachment device 100
Together.Difference is in and inverting for switching beam and inverting for positioning element and contact assembly.With the visual angle description in Fig. 4, tool
For body, in attachment device 100, positioning element is on right side, and in left side, such contact device 100 is suitable for connecting contact assembly
It is connected to the cathode of battery pack mould group, as shown in Figure 5.In attachment device 200, positioning element has been installed in left side, contact group
Part is suitable for connection to the anode of battery pack mould group in right side, such attachment device 200.
Detection system further includes a detection device 300, for detecting electric signal, judges battery pack mould group and shell with this
Insulation performance.Detection device 300 has at least two terminals, one of them is connected to attachment device 100 by conducting wire 321
Terminals, another is connected to the terminals of attachment device 200 by conducting wire 322, when leading for contact device and battery modules
When electrical components connect, a measure loop is constituted.
With switch 311 and switch 312, switch 311 is used to control to be connected detection device 300 with the electrical of attachment device 100
The on-off connect, switch 312 is for controlling and the on-off of the electrical connection of attachment device 200.Switch 311 and switch 312 all use
Push-button switch, and be specifically designed.Switch 311 and switch 312 all by sustained hold when, entire measure loop could be located
In on state；When any one switch is released, entire detection circuit is cut off.This seems cumbersome design,
Actually for safety.Detection device 300 is used for real-time display testing result with a display screen 330.
Illustrate the operating method of the detection system of above-mentioned detection battery pack mould group and shell insulation below, including walks as follows
It is rapid:
Step 1: attachment device 100 is connected to the terminals of 300 right of detection device by conducting wire 321；Attachment device
200 are connected to the terminals of 300 left of detection device by conducting wire 322.
Step 2: operator's right hand holds attachment device 100, battery pack housing is moved closer to, makes attachment device 100
Positioning element is inserted into the location hole of a battery modules cathode, as shown in figure 5, pushing the contact top until attachment device 100 again
The bottom surface of bar and the conducting position of battery modules are in close contact, as shown in Figure 5.Then, by the spanner of 100 tail portion of attachment device
132 break downwards, and clamping end 135 moves closer to battery pack housing.Because of the effect of connecting bending component 133, spanner 132 can be locked up,
Attachment device 100 is just secured firmly to battery pack housing in this way, is kept in contact mandril and conductive component by the elastic force of spring
Continuous close contact.
Using aforesaid way, in manual situation can quick lap joint to battery pack detection position, complete subsequent Insulation monitoring
Work.Clamping device is fixed to clamp using elbow folder, and aid power is big.Make in clamping end 135 and the material of battery pack housing contact surface
With polyurethane, frictional force is substantially increased, guarantees that operator can be always maintained at lock after the clamping for completing clamping device
Tight state.
Similarly, operator's left hand holds attachment device 200, moves closer to battery pack housing, makes determining for attachment device 200
Position component is inserted into the location hole of a battery modules anode, then pushes up to the bottom surface of the contact mandril of attachment device 200 and this
The conducting position of a battery modules is in close contact.Then, the spanner of 200 tail portion of attachment device is broken downwards, clamping end is gradually
Close to shell, because of the effect of connecting bending component, this spanner can be equally locked up, and such attachment device 200 is also secured firmly to
Shell is kept in contact mandril by the elastic force of spring and contacts with the continuous close of positive conductive parts.
Because of the special designing of attachment device 100, it is only applicable to the cathode of connection battery modules.Attachment device 200 also only
Suitable for connection battery modules just, this fool-proof design make operator will not due to maloperation wrong.
Step 3: operator is far from battery modules, left hand contact-making switch 311, right hand contact-making switch 312, then both hands
Sustained hold switch 311 and switch 312 simultaneously, the 330 real-time display testing result of display screen of detection device 300, operator
The insulation performance of battery pack is judged according to data.It is highly preferred that detection device 300, which carries software program, directly gives insulation judge
As a result.
Step 4: operator comes into battery pack, the spanner of attachment device 100 and pulling for attachment device 200 are successively unclamped
Hand removes attachment device 100 and attachment device 200 from battery pack housing, and the test of one group of battery pack mould group is completed.It repeats above-mentioned
Step, until completing the Insulation test work of all battery modules in entire battery pack.
The attachment device and detection system of detection battery modules provided by the invention and shell insulation, have the advantages that
(1) after operator installs detection system, the detection of man-hour manually hand-held insulation meter is not needed, can be evacuated to farther out
Position avoids operator from coming close to or in contact with battery pack, by security risk.
(2) it is standard component that part, which mostly uses greatly polymer material, light durable, and vulnerable part, and replacement is simple.Detection system
System need to only be inspected periodically, and maintenance is at low cost.
(3) location hole for choosing battery modules is characterized hole, and mating feature designs attachment device.Two attachment devices have
The function of fool proof mistake proofing avoids artificial maloperation.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. the attachment device of a kind of detection battery pack mould group and shell insulation characterized by comprising
Main structure, the main structure include a straight beam；
Positioning element, the positioning element are connected to the front of the straight beam, and the positioning element in the mould group for determining
Position；
Contact assembly, the contact assembly are connected to the front of the straight beam, and the contact assembly is configured as: when insulating
When detection, the contact assembly is contacted with the conductive component of the mould group；And
Clamping device, the clamping device are connected to the tail portion of the straight beam, and the clamping device is for making the attachment device
It is fixed on the shell.
2. the attachment device of a kind of detection battery pack mould group and shell insulation according to claim 1, which is characterized in that also
Including a holding assembly, the holding assembly is connected to the top of the straight beam.
3. the attachment device of a kind of detection battery pack mould group and shell insulation according to claim 2, which is characterized in that packet
A switching beam is included, the switching beam is connected to the front of the straight beam and, the positioning element and institute vertical with the straight beam
State the both ends that contact assembly is separately mounted to the switching beam lower surface.
4. the attachment device of a kind of detection battery pack mould group and shell insulation according to claim 3, which is characterized in that institute
Stating contact assembly includes:
Mandril is contacted, the contact mandril is movably arranged in the mounting hole of the switching beam；And
Elastomeric element, the elastomeric element are sleeved on the contact mandril, and make the contact of the contact mandril by its elastic force
Leave the switching beam in end.
5. the attachment device of a kind of detection battery pack mould group and shell insulation according to claim 4, which is characterized in that institute
The contact surface for stating contact jaw is plane.
6. the attachment device of a kind of detection battery pack mould group and shell insulation according to claim 4, which is characterized in that institute
The tail portion for stating contact mandril is equipped with terminals.
7. the attachment device of a kind of detection battery pack mould group and shell insulation according to claim 1, which is characterized in that institute
Straight beam lower part is stated with protruding portion, the protruding portion is used cooperatively with the clamping device.
8. the attachment device of a kind of detection battery pack mould group and shell insulation according to claim 3, which is characterized in that institute
Stating straight beam, the switching beam, the holding assembly all uses insulating polymeric material to make.
9. the detection system of a kind of detection battery pack mould group and shell insulation characterized by comprising
Detection device, the detection device are provided with first switch and open with second for detecting electric signal in the detection device
It closes；
First attachment device, first attachment device use attachment device as described in claim 3；First connection
Device includes the first switching beam, the first positioning element and the first contact assembly, and first positioning element is contacted with described first
Component is connected to right end and the left end of first switching beam lower surface；First attachment device is connected by the first conducting wire
It is connected to the detection device, and on-off is controlled by the first switch；
Second attachment device, second attachment device use attachment device as described in claim 3；Second connection
Device includes the second switching beam, the second positioning element and the second contact assembly, and second positioning element is contacted with described second
Component is connected to left end and the right end of second switching beam lower surface；Second attachment device is connected by the second conducting wire
It is connected to the detection device, and on-off is controlled by the second switch.
10. the detection system of a kind of detection battery pack mould group and shell insulation according to claim 9, which is characterized in that
The first switch and the second switch are all push-button switch, and the push-button switch is configured as: two buttons
When formula is switched all by sustained hold, entire detection circuit is in the conductive state；When any one push-button switch is released,
Entire detection circuit is cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660477.5A CN110275112A (en) | 2019-07-22 | 2019-07-22 | A kind of attachment device and detection system of detection battery pack mould group and shell insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660477.5A CN110275112A (en) | 2019-07-22 | 2019-07-22 | A kind of attachment device and detection system of detection battery pack mould group and shell insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110275112A true CN110275112A (en) | 2019-09-24 |
Family
ID=67965047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910660477.5A Pending CN110275112A (en) | 2019-07-22 | 2019-07-22 | A kind of attachment device and detection system of detection battery pack mould group and shell insulation |
Country Status (1)
| Country | Link |
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| CN (1) | CN110275112A (en) |
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| CN210323294U (en) * | 2019-07-22 | 2020-04-14 | 上汽时代动力电池系统有限公司 | Connecting device and detecting system for detecting insulation of battery pack module and shell |
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2019
- 2019-07-22 CN CN201910660477.5A patent/CN110275112A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100128927A (en) * | 2009-05-29 | 2010-12-08 | 주식회사 엘지화학 | Jig apparatus for checking insulation of cell module assembly |
| US20110052976A1 (en) * | 2009-08-27 | 2011-03-03 | Hideyuki Ishii | Battery |
| CN203037828U (en) * | 2013-01-10 | 2013-07-03 | 宁德新能源科技有限公司 | Detection device for lithium ion battery |
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