CN107329093A - A kind of battery bag electric performance test attachment means - Google Patents

A kind of battery bag electric performance test attachment means Download PDF

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Publication number
CN107329093A
CN107329093A CN201710678153.5A CN201710678153A CN107329093A CN 107329093 A CN107329093 A CN 107329093A CN 201710678153 A CN201710678153 A CN 201710678153A CN 107329093 A CN107329093 A CN 107329093A
Authority
CN
China
Prior art keywords
battery bag
plug
assembly
sideboard
pole
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
CN201710678153.5A
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Chinese (zh)
Inventor
钱龙
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.)
Shenzhen Ruituo Xinyuan Technology Co Ltd
Original Assignee
Shenzhen Ruituo Xinyuan Technology 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 Shenzhen Ruituo Xinyuan Technology Co Ltd filed Critical Shenzhen Ruituo Xinyuan Technology Co Ltd
Priority to CN201710678153.5A priority Critical patent/CN107329093A/en
Publication of CN107329093A publication Critical patent/CN107329093A/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]
    • G01R31/3644Constructional arrangements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

A kind of battery bag electric performance test attachment means, including workbench and plug-assembly, fixed dam, the first sideboard and the second sideboard on workbench;Plug-assembly and the first sideboard interval are relative, and fixed dam is relative with the second sideboard interval;An opening is offered on workbench, the first sideboard may pass through the lower section that opening is moved to workbench;Second sideboard can be moved up in the side closer or far from fixed dam;Plug-assembly includes two telescopic joints, and battery bag is provided with Positive Poles and negative pole pole, and test cabinet is provided with positive pole port and negative pole port;The Positive Poles of battery bag and the positive pole port of test cabinet are electrically connected with by one of joint of plug-assembly;The negative pole pole of battery bag and the negative pole port of test cabinet are electrically connected with by another joint of plug-assembly.

Description

A kind of battery bag electric performance test attachment means
【Technical field】
The present invention relates to battery performance test technical field, more particularly to a kind of battery bag electric performance test attachment means.
【Background technology】
The electric performance test of battery bag is the important step that each battery bag will undergo when dispatching from the factory, at this stage The electric performance test of battery bag is substantially artificial operation, haves the shortcomings that efficiency is low, cost of labor is high.In addition be also easy to because Artificial operational error and occur that both positive and negative polarity is reversed to wait dangerous situation.When battery bag is in test process, it is also possible to because battery bag Self problem and smolder, it is on fire situations such as, the connected mode of power line and battery bag used in existing test is determined very Hardly possible rapidly removes power line from battery bag, so as to be likely to be further exacerbated by situation.
In view of above drawback, is necessary to provide a kind of battery bag electric performance test attachment means in fact to overcome disadvantages described above.
【The content of the invention】
It is an object of the invention to provide a kind of battery bag electric performance test attachment means, battery bag can be prevented in test The reversed situation of Shi Fasheng both positive and negative polarities;Meanwhile, when battery bag occurs abnormal, it can timely and effectively cut off battery bag and test The function of the electric connection of device.
To achieve these goals, the present invention provides a kind of battery bag electric performance test attachment means, for self-contained battery Wrap and be electrically connected with battery bag and test cabinet;Plug-assembly, fixed dam including workbench and on workbench, first Sideboard and the second sideboard;The plug-assembly and the first sideboard interval are relative, the fixed dam with The second sideboard interval is relative;The battery bag be fixed on the plug-assembly, fixed dam, the first sideboard and Between second sideboard;An opening is offered on the workbench, first sideboard may pass through the opening and move Move the lower section of the workbench;Second sideboard can be moved up in the side closer or far from the fixed dam; The plug-assembly includes two telescopic joints, and the battery bag is provided with Positive Poles and negative pole pole, the test cabinet Provided with positive pole port and negative pole port;The positive pole port of the Positive Poles of the battery bag and the test cabinet passes through the plug One of joint of component is electrically connected with;The negative pole pole of the battery bag and the negative pole port of the test cabinet pass through described Another joint of plug-assembly is electrically connected with.
In a preferred embodiment, the plug-assembly includes first relay and the second relay, described First relay and second relay include a stationary contact and two movable contacts;The stationary contact of first relay It is connected with one of joint, two movable contacts are connected with the positive pole port and negative pole port of the test cabinet respectively;Described The stationary contact of two relays is connected with another joint, two movable contacts respectively with the positive pole port of the test cabinet and negative pole end Mouth is connected.
In a preferred embodiment, the plug-assembly also includes an anti-reverse control module, described anti-reverse Control module is used to control first relay and second relay;When the battery bag is connected with the plug-assembly When, the anti-reverse control module controls first relay connecing the Positive Poles of one of connection battery bag Head is connected with the positive pole port of the test cabinet, and second relay connects another joint of negative pole pole It is connected with the negative pole port.
In a preferred embodiment, one of joint of the plug-assembly offers one and the battery bag The corresponding first set hole of Positive Poles;Another joint offers the negative pole pole corresponding second of one and the battery bag Cover hole;The plug-assembly is respectively sleeved at Positive Poles and the negative pole pole of the battery bag by first set hole and second set of hole It is electrically connected with post with the battery bag.
In a preferred embodiment, the Positive Poles of the battery bag and negative pole pole is in the same size, described to insert The cross-sectional sizes in the first set hole of head assembly it is consistent with the cross-sectional sizes in second set of hole and with Positive Poles and negative The cross-sectional sizes correspondence of pole pole.
In a preferred embodiment, the plug-assembly also includes a drive cylinder, the drive cylinder and two Individual joint is connected and is used to drive two joints to elongate or shorten.
In a preferred embodiment, the battery bag electric performance test attachment means also include at least one first gas Cylinder and at least one second cylinder;Each first cylinder is connected by first expansion link with first sideboard;Often Individual second cylinder is connected by second expansion link with second sideboard.
In a preferred embodiment, first cylinder is below the workbench;Second cylinder is located at On the workbench and positioned at second sideboard side opposite with the fixed dam.
Compared with prior art, the beneficial effect for the battery bag electric performance test attachment means that the present invention is provided is:Electricity Chi Bao is electrically connected with by way of being flexibly connected with plug-assembly with test cabinet, when battery bag is abnormal, is disconnected automatically, Safely and effectively;In addition, anti-reverse control module is provided with plug-assembly, it is automatic inside plug-assembly to turn when battery bag reversal connection Connected mode is changed, battery bag and test cabinet is remained correct connection status, the occurrence of effectively preventing reversal connection.
【Brief description of the drawings】
Fig. 1 is the dimensional structure diagram of battery bag electric performance test attachment means of the present invention.
Fig. 2 is dimensional structure diagram when battery bag electric performance test attachment means of the present invention are used.
Fig. 3 is the internal structure schematic diagram that plug-assembly shown in Fig. 1 is connected with test cabinet.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantageous effects become apparent from understanding, below in conjunction with this hair Accompanying drawing in bright embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described Embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention Scope.
As depicted in figs. 1 and 2, the present invention provides a kind of battery bag electric performance test attachment means 100, for self-contained battery Battery bag 60 and test cabinet 70 are simultaneously electrically connected with by bag 60.The battery bag electric performance test attachment means 100, including workbench 10 and the plug-assembly 20 on workbench 10, fixed dam 30, the first sideboard 40 and the second sideboard 50.It is described Plug-assembly 20 and first sideboard 40 are spaced relatively, and the fixed dam 30 is spaced with second sideboard 50 Relatively.The battery bag 60 is fixed on the plug-assembly 20, fixed dam 30, the first sideboard 40 and the second sideboard Between 50.
Specifically, offering an opening 101 on the workbench 10, first sideboard 40 may pass through described open Mouth 101 is moved to the lower section of the workbench 10.Second sideboard 50 can be closer or far from the fixed dam 30 Side move up.The plug-assembly 20 include two telescopic joints and one of them be the first joint 21, another For the second joint 22.The battery bag 60 is provided with Positive Poles 61 and negative pole pole 62, and the test cabinet 70 is provided with positive pole port 71 and negative pole port 72.The Positive Poles 61 of the battery bag 60 and the positive pole port 71 of the test cabinet 70 pass through the plug One of joint (i.e. the first joint 21 or the second joint 22) of component 20 is electrically connected with;The negative pole pole of the battery bag 60 62 and the negative pole port 72 of the test cabinet 70 be electrically connected with by another joint of the plug-assembly 20.Specifically, please Simultaneously refering to Fig. 3, the plug-assembly 20 includes first relay 23 and the second relay 24.First relay 23 It is conversion hysteria relay with second relay 24.First relay 23 and second relay 24 include one Individual stationary contact 231 and two movable contacts 241.The stationary contact 231 of first relay 23 is connected with one of joint, two Movable contact 241 is connected with the positive pole port 71 and negative pole port 72 of the test cabinet 70 respectively.Second relay 24 it is quiet Contact 231 is connected with another joint, the positive pole port 71 and negative pole port of two movable contacts 241 respectively with the test cabinet 70 72 are connected.Further, the plug-assembly 20 also includes an anti-reverse control module (not shown), the anti-reverse control Module is used to control first relay 23 and second relay 24.When the battery bag 60 connects with the plug-assembly 20 When connecing, the anti-reverse control module controls first relay 23 by the positive pole pole of one of connection battery bag 60 The joint of post 61 is connected with the positive pole port 71 of the test cabinet 70, and second relay 24 is described by another connection The joint of negative pole pole 62 is connected with the negative pole port 72.It is understood that the stationary contact 231 of first relay 23 It is connected with first joint 21, the stationary contact 231 of second relay 24 is connected with second joint 22;When the electricity When pond bag 60 just connects, i.e., the Positive Poles 61 of described battery bag 60 and the first joint 21 of the plug-assembly 20 are connected, described Negative pole pole 62 and second joint 22 are connected.The anti-reverse control module controls first relay 23 by described the One joint 21 and the positive pole port 71 are connected, and second relay 24 is by second joint 22 and the negative pole port 72 Connection.The Positive Poles 61 of i.e. described battery bag 60 pass through the first joint 21 of the plug-assembly 20 and the test cabinet 70 Positive pole port 71 is electrically connected with;The negative pole pole 62 is electrically connected with by second joint 22 and the negative pole port 72. When 60 reversal connection of battery bag, the first joint 21 of the negative pole pole 62 of the battery bag 60 and the plug-assembly 20 Connection, the Positive Poles 61 are connected with second joint 22.The anti-reverse control module controls first relay 23 connect the negative pole port 72 of the first joint 21 of the plug-assembly 20 and the test cabinet 70, second relay 24 Second joint 22 and the positive pole port 71 are connected.The negative pole pole 62 of i.e. described battery bag 60 passes through the plug group First joint 21 of part 20 and the negative pole port 72 of the test cabinet 70 are electrically connected with;The Positive Poles 61 pass through described second Joint 22 is electrically connected with the positive pole port 71.Therefore, it is always ensured that the Positive Poles 61 of the battery bag 60 are surveyed with described The positive pole port 71 of examination cabinet 70 is electrically connected with, and the negative pole pole 62 is electrically connected with the negative pole port 72, can effectively be kept away Exempt from the battery bag 60 and the situation of the reversal connection of test cabinet 70 occurs, it is safe and reliable.
Further, one of joint (i.e. the first joint 21) of the plug-assembly 20 offers one and the electricity The corresponding first set hole 211 of Positive Poles 61 of pond bag 60.Another joint (i.e. the second joint 22) offer one with it is described 62 corresponding second sets of holes 221 of negative pole pole of battery bag 60.The plug-assembly 20 passes through first set hole 211 and second set of hole 221 are respectively sleeved on the Positive Poles 61 of the battery bag 60 and negative pole pole 62 and are electrically connected with the battery bag 60.It is excellent Choosing, the Positive Poles 61 of the battery bag 60 and in the same size, the first set hole of the plug-assembly 20 of negative pole pole 62 211 cross-sectional sizes it is consistent with the cross-sectional sizes in second set of hole 221 and with the Positive Poles 61 and negative pole pole 62 Cross-sectional sizes correspondence, make the relatively reliable stabilization of connected mode of the plug-assembly 20 and the battery bag 60.In other realities Apply in mode, the first joint 21 and the second joint 22 of the plug-assembly 20 can also pass through the positive pole with the battery bag 60 The mode such as pole 61 and the abutting of negative pole pole 62 is electrically connected with.
Further, the plug-assembly 20 also includes drive cylinder (not shown), the drive cylinder and two Joint is connected and is used to drive two joints to elongate or shorten.The battery bag electric performance test attachment means 100 are also included extremely Few first cylinder 41 and at least one second cylinder 51.Each first cylinder 41 passes through first expansion link 411 and institute The first sideboard 40 is stated to be connected.Each second cylinder 51 passes through second expansion link 511 and second sideboard 50 It is connected.In present embodiment, first sideboard 40 and the rectangular tabular of second sideboard 50, described first Cylinder 41 is located at the lower section of workbench 10, and second cylinder 51 is on the workbench 10 and positioned at the described second activity The side opposite with the fixed dam 30 of baffle plate 50.It is preferred that, the quantity of first cylinder 41 for two and respectively with institute The two ends for stating the first sideboard 40 are connected, and two operations simultaneously of the first cylinder 41, it is ensured that first sideboard 40 can Move in parallel;The quantity of second cylinder 51 is two and the two ends with second sideboard 50 are connected respectively, and two Individual second cylinder 51 operation simultaneously, it is ensured that second sideboard 50 can be moved in parallel.During test, pass through AGV dollies The battery bag 60 is placed on the workbench 10 by (Automated Guided Vehicle, automatic guided vehicle), and institute The Positive Poles 61 and negative pole pole 62 of battery bag 60 are stated towards the plug-assembly 20;In the effect of first cylinder 41 Under, first sideboard 40 is moved to the workbench 10 from the lower section of the workbench 10 through the opening 101 Top, the battery bag 60 is fixed between the plug-assembly 20 and first sideboard 40;In second gas In the presence of cylinder 51, second sideboard 50 is close and be fixed on the battery bag 60 to the direction of fixed dam 30 Between second sideboard 50 and the fixed dam 30.Then, the drive cylinder drives the plug-assembly 20 First joint 21 and the second joint 22 extend towards the direction of the battery bag 60 and are respectively sleeved at the battery bag 60 just It is electrically connected with pole pole 61 and negative pole pole 62 with the battery bag 60, and then realizes the battery bag 60 and the test cabinet 70 electric connection.After test terminates or when unusual condition occurs in the battery bag 60, the drive cylinder drives described The first joint 21 and the second joint 22 of plug-assembly 20 to away from the battery bag 60 direction shrink, and with the battery bag 60 Positive Poles 61 and negative pole pole 62 are separated, and first sideboard 40 and second sideboard 50 reset, and are led to AGV dollies are crossed to remove the battery bag 60 from the workbench 10.This mode can timely and effectively shift dangerous matter sources, most Reduce danger coefficient to limits.
The beneficial effect for the battery bag electric performance test attachment means that the present invention is provided is:Battery bag by with plug group The mode and test cabinet that part is flexibly connected are electrically connected with, and when battery bag is abnormal, are disconnected automatically, safely and effectively;In addition, inserting Anti-reverse control module is provided with head assembly, when battery bag reversal connection, automatic conversion connected mode inside plug-assembly makes battery Bag and test cabinet remain correct connection status, the occurrence of effectively preventing reversal connection.
The present invention is not restricted to described in description and embodiments, therefore can for the personnel of familiar field Additional advantage and modification are easily realized, therefore in the spirit of the universal limited without departing substantially from claim and equivalency range In the case of scope, the present invention is not limited to specific details, representational equipment and shown shown here as the diagram with description Example.

Claims (8)

1. a kind of battery bag electric performance test attachment means, are electrically connected with for self-contained battery bag and by battery bag and test cabinet; It is characterized in that:Plug-assembly, fixed dam, the first sideboard and the second activity including workbench and on workbench Baffle plate;The plug-assembly and the first sideboard interval are relative, between the fixed dam and second sideboard Every relative;The battery bag is fixed between the plug-assembly, fixed dam, the first sideboard and the second sideboard; An opening is offered on the workbench, first sideboard may pass through the opening and be moved under the workbench Side;Second sideboard can be moved up in the side closer or far from the fixed dam;The plug-assembly includes two Individual telescopic joint, the battery bag is provided with Positive Poles and negative pole pole, and the test cabinet is provided with positive pole port and negative pole Port;One of joint that the positive pole port of the Positive Poles of the battery bag and the test cabinet passes through the plug-assembly It is electrically connected with;The negative pole pole of the battery bag and the negative pole port of the test cabinet are connect by another of the plug-assembly Head is electrically connected with.
2. battery bag electric performance test attachment means as claimed in claim 1, it is characterised in that:The plug-assembly includes one Individual first relay and the second relay, first relay and second relay include a stationary contact and two Movable contact;The stationary contact of first relay is connected with one of joint, two movable contacts respectively with the test cabinet Positive pole port is connected with negative pole port;The stationary contact of second relay is connected with another joint, two movable contact difference It is connected with the positive pole port and negative pole port of the test cabinet.
3. battery bag electric performance test attachment means as claimed in claim 2, it is characterised in that:The plug-assembly also includes One anti-reverse control module, the anti-reverse control module is used to control first relay and second relay; When the battery bag is connected with the plug-assembly, the anti-reverse control module controls first relay will wherein one The joint of Positive Poles of the individual connection battery bag is connected with the positive pole port of the test cabinet, and second relay will be another The joint of one connection negative pole pole is connected with the negative pole port.
4. battery bag electric performance test attachment means as claimed in claim 1, it is characterised in that:The plug-assembly is wherein One joint offers a first set hole corresponding with the Positive Poles of the battery bag;Another joint offer one with The corresponding second set of hole of negative pole pole of the battery bag;The plug-assembly is arranged respectively by first set hole and second set of hole It is electrically connected with the Positive Poles and negative pole pole of the battery bag with the battery bag.
5. battery bag electric performance test attachment means as claimed in claim 4, it is characterised in that:The positive pole pole of the battery bag Post and negative pole pole it is in the same size, the cross-sectional sizes in the first set hole of the plug-assembly and the section in second set of hole are big Small consistent and with the Positive Poles and negative pole pole cross-sectional sizes are corresponding.
6. battery bag electric performance test attachment means as claimed in claim 4, it is characterised in that:The plug-assembly also includes One drive cylinder, the drive cylinder is connected with two joints and is used to drive two joints to elongate or shorten.
7. battery bag electric performance test attachment means as claimed in claim 1, it is characterised in that:The battery bag electrical property is surveyed Trying attachment means also includes at least one first cylinder and at least one second cylinder;Each first cylinder is stretched by one first Contracting bar is connected with first sideboard;Each second cylinder passes through second expansion link and the second sideboard phase Even.
8. battery bag electric performance test attachment means as claimed in claim 7, it is characterised in that:First cylinder is located at institute State below workbench;Second cylinder is on the workbench and positioned at second sideboard and the fixed dam Opposite side.
CN201710678153.5A 2017-08-10 2017-08-10 A kind of battery bag electric performance test attachment means Pending CN107329093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710678153.5A CN107329093A (en) 2017-08-10 2017-08-10 A kind of battery bag electric performance test attachment means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710678153.5A CN107329093A (en) 2017-08-10 2017-08-10 A kind of battery bag electric performance test attachment means

Publications (1)

Publication Number Publication Date
CN107329093A true CN107329093A (en) 2017-11-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112296952A (en) * 2020-11-06 2021-02-02 朱立飞 Workstation is used in new energy automobile production
GB2616627A (en) * 2022-03-15 2023-09-20 Jaguar Land Rover Ltd Cell test apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201985561U (en) * 2011-01-04 2011-09-21 常州丰泰机电工程有限公司 Reverse connection-prevention charger
CN104602386A (en) * 2013-10-31 2015-05-06 深圳市海洋王照明工程有限公司 Positive and negative polarity conversion circuit and LED lamp
CN105093120A (en) * 2015-06-18 2015-11-25 浙江时空能源技术有限公司 Apparatus for detecting resistance welding of battery pack and method thereof
CN205666653U (en) * 2016-06-07 2016-10-26 陕西重型汽车有限公司 Reverse -connection protective circuit and heavy -duty car are prevented to positive negative pole of heavy automobile storage battery
CN206097873U (en) * 2016-09-28 2017-04-12 昆山龙腾光电有限公司 Anti -reverse connection circuit and backlight drive device
DE102016100609A1 (en) * 2016-01-15 2017-07-20 Hong-Wen Hwang Charging system and charging connector for it
CN207164222U (en) * 2017-08-10 2018-03-30 深圳市锐拓新源科技有限公司 A kind of battery bag electric performance test attachment means

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201985561U (en) * 2011-01-04 2011-09-21 常州丰泰机电工程有限公司 Reverse connection-prevention charger
CN104602386A (en) * 2013-10-31 2015-05-06 深圳市海洋王照明工程有限公司 Positive and negative polarity conversion circuit and LED lamp
CN105093120A (en) * 2015-06-18 2015-11-25 浙江时空能源技术有限公司 Apparatus for detecting resistance welding of battery pack and method thereof
DE102016100609A1 (en) * 2016-01-15 2017-07-20 Hong-Wen Hwang Charging system and charging connector for it
CN205666653U (en) * 2016-06-07 2016-10-26 陕西重型汽车有限公司 Reverse -connection protective circuit and heavy -duty car are prevented to positive negative pole of heavy automobile storage battery
CN206097873U (en) * 2016-09-28 2017-04-12 昆山龙腾光电有限公司 Anti -reverse connection circuit and backlight drive device
CN207164222U (en) * 2017-08-10 2018-03-30 深圳市锐拓新源科技有限公司 A kind of battery bag electric performance test attachment means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112296952A (en) * 2020-11-06 2021-02-02 朱立飞 Workstation is used in new energy automobile production
GB2616627A (en) * 2022-03-15 2023-09-20 Jaguar Land Rover Ltd Cell test apparatus
GB2616627B (en) * 2022-03-15 2024-04-10 Jaguar Land Rover Ltd Cell test apparatus

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