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 PDF

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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
Authority
CN
China
Prior art keywords
attachment device
detection
mould group
battery pack
contact
Prior art date
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.)
Pending
Application number
CN201910660477.5A
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Chinese (zh)
Inventor
方泽文
孙瑜
王�锋
陈文骏
傅亮
秦立宇
赵俊杰
周亚萍
丁正兵
薛昆明
黄鑫
姜鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIC CATL Power Battery System Co Ltd
CATL SAIC Motor Power Battery Co Ltd
Original Assignee
SAIC CATL Power Battery System Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SAIC CATL Power Battery System Co Ltd filed Critical SAIC CATL Power Battery System Co Ltd
Priority to CN201910660477.5A priority Critical patent/CN110275112A/en
Publication of CN110275112A publication Critical patent/CN110275112A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/364Battery terminal connectors with integrated measuring arrangements

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  • 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

A kind of attachment device and detection system of detection battery pack mould group and shell insulation
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.
CN201910660477.5A 2019-07-22 2019-07-22 A kind of attachment device and detection system of detection battery pack mould group and shell insulation Pending CN110275112A (en)

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

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CN110275112A true CN110275112A (en) 2019-09-24

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Citations (9)

* Cited by examiner, † Cited by third party
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
CN206975192U (en) * 2017-07-18 2018-02-06 北方奥钛纳米技术有限公司 Square housing battery test fixture and test equipment
CN207263894U (en) * 2017-08-09 2018-04-20 宝沃汽车(中国)有限公司 Battery testing interconnecting device
CN207424074U (en) * 2017-09-25 2018-05-29 宝沃汽车(中国)有限公司 Battery modules detection device
CN208557261U (en) * 2018-07-10 2019-03-01 大族激光科技产业集团股份有限公司 A kind of locking machine structure and the lock of battery modules test pay fixture
CN208568970U (en) * 2018-07-31 2019-03-01 大族激光科技产业集团股份有限公司 A kind of insulation detection device and tooling
CN210323294U (en) * 2019-07-22 2020-04-14 上汽时代动力电池***有限公司 Connecting device and detecting system for detecting insulation of battery pack module and shell

Patent Citations (9)

* Cited by examiner, † Cited by third party
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
CN206975192U (en) * 2017-07-18 2018-02-06 北方奥钛纳米技术有限公司 Square housing battery test fixture and test equipment
CN207263894U (en) * 2017-08-09 2018-04-20 宝沃汽车(中国)有限公司 Battery testing interconnecting device
CN207424074U (en) * 2017-09-25 2018-05-29 宝沃汽车(中国)有限公司 Battery modules detection device
CN208557261U (en) * 2018-07-10 2019-03-01 大族激光科技产业集团股份有限公司 A kind of locking machine structure and the lock of battery modules test pay fixture
CN208568970U (en) * 2018-07-31 2019-03-01 大族激光科技产业集团股份有限公司 A kind of insulation detection device and tooling
CN210323294U (en) * 2019-07-22 2020-04-14 上汽时代动力电池***有限公司 Connecting device and detecting system for detecting insulation of battery pack module and shell

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