CN207636731U - Detection apparatus for series lithium cell group - Google Patents
Detection apparatus for series lithium cell group Download PDFInfo
- Publication number
- CN207636731U CN207636731U CN201721532788.6U CN201721532788U CN207636731U CN 207636731 U CN207636731 U CN 207636731U CN 201721532788 U CN201721532788 U CN 201721532788U CN 207636731 U CN207636731 U CN 207636731U
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- CN
- China
- Prior art keywords
- lithium battery
- detection device
- battery group
- serial
- solid plate
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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.)
- Expired - Fee Related
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 97
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 239000007787 solid Substances 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 13
- 230000003760 hair shine Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 7
- 238000012876 topography Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Secondary Cells (AREA)
Abstract
The utility model discloses a detection device of series lithium cell group belongs to electronic circuit detection area the utility model discloses a detection device, put through the battery in the series lithium cell group respectively at intervals, with correspond L ED display panel of series lithium cell group respectively whether luminous carry out the circuit detection to L ED unlighted position, judge the position of trouble can carry out the short circuit of series lithium cell in any position, open circuit and misconnection detection, do not receive the place, the restriction of factors such as power, air supply to this detection device convenient to use, swift, the principle is simply detected more reliably.
Description
Technical field
The utility model is related to a kind of detection devices of serial lithium battery group, belong to electronic circuit detecting field.
Background technology
With the fast development of new energy industry, as the power battery of power supply system, safety directly influences whole
The safety of vehicle.It is higher defeated to obtain since the voltage of single battery is relatively low for the electric power supply system being made of battery
Go out voltage it is necessary to by multiple batteries be connected into battery pack use, these batteries can be lithium ion battery, lithium-air battery or
Battery based on lithium metal, and for powering for many different types of equipment.The catastrophic failure of battery pack can cause to spend
The extensive of expense billions of dollars recalls and seriously damages company reputation and brand image.On continuing with the energy of battery pack
It rises, the potentiality of catastrophe failure becomes main worry place.Catastrophic battery failure may include thermal runaway event,
The internal short-circuit of middle inside battery promotes the autoacceleration decomposition reaction of inside battery.If not executing interference with timely local formula,
Then thermal runaway event can then bring serious harm.Therefore enterprise in order to meet the needs of market and improve security performance, it is necessary to control
Make the qualification rate of product.
In serial lithium battery group, the battery core of lithium battery often will appear various short circuits and breaking phenomena after welding.For
Guarantee lithium battery group performance safety is reliable, so the lithium battery group of production will be detected.Currently, the detection to battery pack
Special fixture, probe, electroprobe or the various ancillary equipments such as other special testers and pneumatic equipment, existing profit are mostly used greatly
Efficiency and accuracy with probe and electroprobe detection technique is all relatively low, the case where there is also erroneous judgement, and fixture or other specially
Then mobility is poor for the tester of door, and battery detecting cramp assembling and disassembling is inconvenient, and the chucking power of overlong time fixture can weaken, and allow
Operating personnel feel that operation is laborious, cannot be satisfied the needs detected to battery pack.
In view of current present situation, seek a kind of more simple, reliability higher, the lower series battery detection technique of cost
Have become a technical issues of urgent need solves.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of detection device of serial lithium battery group.
The detection device of the serial lithium battery group of the utility model, for detecting by the first lithium battery, the second lithium electricity
Pond ..., the battery pack that is composed in series of N-1 lithium batteries and N lithium batteries, the detection device of the serial lithium battery group includes
The solid plate and moving platen that are mutually parallel, LED display board, the moving platen are connected with the solid plate by guide post and can be to
The solid plate movement；It is equipped on the opposite face of the solid plate and the moving platen corresponding with tested lithium battery group electrode
Spring and connection line push the moving platen to be moved to the solid plate, and spring is made to be contacted with the electrode of lithium battery；Odd multiple
Cell measurement circuit switch is closed, and in serial lithium battery group when odd multiple lithium battery access, the LED on the left of LED display board shines,
When open circuit, short circuit, misconnection failure occurs, corresponding LED does not shine then；Even digit cell measurement circuit switch is closed, lithium of connecting
In battery pack when even digit lithium battery access, the LED on the right side of LED display board shines, right when open circuit, short circuit, misconnection failure occurs
The LED answered does not shine then.
In one embodiment, the detection device of the serial lithium battery group further includes pedestal and battery case, described fixed
Template is fixed vertically to be provided with limiting slot on the pedestal on the base, for placing the battery case, on the battery case
Equipped with the first in command.
In one embodiment, the LED display board is divided into left side, right area, the corresponding strange position of left area display
Number lithium battery state, the corresponding even digit lithium battery state of right area display, left and right side centre is equipped with control odd multiple lithium
The switch of cell measurement circuit and even digit lithium battery measuring circuit.
In one embodiment, the odd multiple cell measurement circuit switch and the even digit cell measurement circuit are opened
Close interlocking.
In one embodiment, the inner cavity of the battery case and tested lithium battery group topographies and lithium battery group is easy to
It is placed and taken out, the electrode of lithium battery can be completely attached to the spring on moving platen and solid plate.
In one embodiment, the moving platen is equipped with second handle.
In one embodiment, the spring on the solid plate and the moving platen is inserted mode.
In one embodiment, the quantity of the guide post is four.
The detection device of serial lithium battery group provided by the utility model is not necessarily to other auxiliary tools, can be in any position
Short circuit, the open circuit detection for carrying out serial lithium battery, are not limited by factors such as place, power supply, air sources.And the detection device makes
With convenient, fast, principle easy detection is more reliable.
Description of the drawings
Fig. 1 is the principle schematic of the detection device of the utility model serial lithium battery group；
Fig. 2 is the structural schematic diagram of the detection device of the utility model serial lithium battery group.
Wherein, 1 solid plate, 2 moving platens, 3LED display boards, 4 guide posts, 5 battery cases, 6 pedestals, 71 first in command, 72 second
Handle.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments to the utility model proposes a kind of serial lithium battery group detection device
It is described in further detail.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.It needs
Bright, attached drawing is all made of very simplified form and uses non-accurate ratio, only to it is convenient, lucidly aid in illustrating
The purpose of the utility model embodiment.
Embodiment one
The detection device operation principle of the serial lithium battery group of the utility model is：Each lithium in serial lithium battery group
Battery the two poles of the earth are respectively connected to an illuminating circuit being composed in series by resistance, light emitting diode and switch, as shown in Figure 1.Simultaneously
The switch being closed in all odd multiple illuminating circuits disconnects the switch of all even digit illuminating circuits, if all odd multiples shine
Light emitting diode in circuit shines, then all odd multiple lithium battery accesses；If the light-emitting diodes in some illuminating circuit
Pipe does not shine, then corresponding lithium battery breaks down；The switch being closed in all even digit illuminating circuits disconnects all strange
The switch of digit illuminating circuit, if the light emitting diode in all idol digit illuminating circuits shines, all idol digit lithium electricity
Pond access；If the light emitting diode in some illuminating circuit does not shine, corresponding lithium battery breaks down.By examining twice
After survey, if the light emitting diode in all illuminating circuits shines, serial lithium battery group access.
A kind of structure of the detecting device schematic diagram of the serial lithium battery group of the utility model as shown in Fig. 2, for detect by
First lithium battery, the second lithium battery ..., the battery pack that is composed in series of N-1 lithium batteries and N lithium batteries.The series connection lithium electricity
The detection device of pond group includes the solid plate 1 being mutually parallel and moving platen 2, LED display board 3, and the moving platen 2 passes through guide post 4
It is connected with the solid plate 1 and can be moved to the solid plate 1；On the opposite face of the solid plate 1 and the moving platen 2
Equipped with spring corresponding with tested lithium battery group electrode and connection line, and the bullet on the solid plate 1 and the moving platen 2
Spring is inserted mode.It pushes the moving platen 2 to be moved to the solid plate 1, spring is made to be contacted with the electrode of lithium battery.It is described
LED display board 3 is divided for left side, right area, the corresponding odd multiple lithium battery state of left area display, right area display correspondence
Even digit lithium battery state, left and right side centre are equipped with control odd multiple lithium battery measuring circuit and even digit lithium battery measurement
The switch of circuit.When odd multiple cell measurement circuit switch is closed, odd multiple lithium battery access in serial lithium battery group is described
The LED in 3 left side of LED display board shines, and when breaking down, does not then shine；When even digit lithium battery access in serial lithium battery group
When, the LED on 3 right side of the LED display board shines, and when breaking down, does not then shine.Also, it often goes in the LED display board 3
Each column LED is corresponding with lithium battery, quickly to show abort situation.Further, the odd multiple cell measurement circuit is opened
It closes and the even digit cell measurement circuit switch interlock.
Specifically, the detection device of the serial lithium battery group further includes battery case 5 and pedestal 6, the solid plate 1 and institute
It states moving platen 2 to be vertically arranged on the pedestal 6, limiting slot (not shown) is provided on the pedestal 6, it is described for placing
Battery case 5, the battery case 5 are equipped with the first in command 71, and user can hold the operation of the first in command 71.The guide post
4 quantity is four.The inner cavity of the battery case 5 and tested lithium battery group topographies and lithium battery group is fitted easily into and taken
Go out, the electrode of lithium battery can be completely attached to the spring on the moving platen 2 and the solid plate 1.Just by serial lithium battery group
It is really packed into the battery case 5, the battery case 5 is placed in the limiting slot, the moving platen 2 is equipped with second handle
72, push the moving platen 2 to make the spring on the solid plate 1 and the moving platen 2 and lithium electricity by the second handle 72
Electrode of lithium cell contact in the group of pond, slows down close to driving velocity when lithium battery, after contact, if had in the LED display board 3
LED does not work, can apply certain pressure on the second handle 72, does not work if still had, and illustrates the series connection lithium electricity
Chi Zuzhong has cell malfunctions.
Although the utility model has been described by way of example and in terms of the preferred embodiments, it is not limited to the utility model, any
Person skilled in the art can do various change and modification, therefore this without departing from the spirit and scope of the utility model
The protection domain of utility model should be subject to what claims were defined.
Claims (8)
1. a kind of detection device of serial lithium battery group, for detect by the first lithium battery, the second lithium battery ..., N-1 lithiums
The battery pack that battery and N lithium batteries are composed in series, which is characterized in that aobvious including the solid plate being mutually parallel and moving platen, LED
Show that plate, the moving platen are connected with the solid plate by guide post and can be moved to the solid plate；The solid plate and institute
It states and is equipped with spring corresponding with tested lithium battery group electrode and connection line on the opposite face of moving platen, push the moving platen
It is moved to the solid plate, spring is made to be contacted with the electrode of lithium battery；Odd multiple cell measurement circuit switch is closed, series connection lithium electricity
In the group of pond when odd multiple lithium battery access, the LED on the left of LED display board shines, corresponding when open circuit, short circuit, misconnection failure occurs
LED do not shine then；Even digit cell measurement circuit switch is closed, in serial lithium battery group when even digit lithium battery access, LED
LED on the right side of display board shines, and when open circuit, short circuit, misconnection failure occurs, corresponding LED does not shine then.
2. the detection device of serial lithium battery group as described in claim 1, which is characterized in that the inspection of the serial lithium battery group
It further includes pedestal and battery case to survey device, and the solid plate is fixed vertically to be provided with limiting slot on the pedestal on the base,
For placing the battery case, the battery case is equipped with the first in command.
3. the detection device of serial lithium battery group as described in claim 1, which is characterized in that the LED display board is divided into a left side
Side, right area, the corresponding odd multiple lithium battery state of left area display, the corresponding even digit lithium battery shape of right area display
State, left and right side centre are equipped with the switch of control odd multiple lithium battery measuring circuit and even digit lithium battery measuring circuit.
4. the detection device of serial lithium battery group as claimed in claim 3, which is characterized in that the odd multiple battery measurement electricity
Way switch and the even digit cell measurement circuit switch interlock.
5. the detection device of serial lithium battery group as claimed in claim 2, which is characterized in that the inner cavity of the battery case and quilt
Lithium battery group topographies and lithium battery group is surveyed to fit easily into and take out, the electrode of lithium battery can on moving platen and solid plate
Spring completely attaches to.
6. the detection device of serial lithium battery group as described in claim 1, which is characterized in that the moving platen is equipped with second
Handle.
7. the detection device of serial lithium battery group as described in claim 1, which is characterized in that the solid plate and the dynamic model
Spring on plate is inserted mode.
8. the detection device of serial lithium battery group as described in claim 1, which is characterized in that the quantity of the guide post is four
It is a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721532788.6U CN207636731U (en) | 2017-11-16 | 2017-11-16 | Detection apparatus for series lithium cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721532788.6U CN207636731U (en) | 2017-11-16 | 2017-11-16 | Detection apparatus for series lithium cell group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207636731U true CN207636731U (en) | 2018-07-20 |
Family
ID=62857225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721532788.6U Expired - Fee Related CN207636731U (en) | 2017-11-16 | 2017-11-16 | Detection apparatus for series lithium cell group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207636731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142051A (en) * | 2020-01-06 | 2020-05-12 | 深圳市盛弘电气股份有限公司 | Serial line detection circuit and judgment method thereof |
| CN111308359A (en) * | 2020-03-31 | 2020-06-19 | 上海交通大学 | Multifunctional on-line test system for large-area fuel cell |
-
2017
- 2017-11-16 CN CN201721532788.6U patent/CN207636731U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142051A (en) * | 2020-01-06 | 2020-05-12 | 深圳市盛弘电气股份有限公司 | Serial line detection circuit and judgment method thereof |
| CN111308359A (en) * | 2020-03-31 | 2020-06-19 | 上海交通大学 | Multifunctional on-line test system for large-area fuel cell |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |