CN207704005U - Detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate - Google Patents
Detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate Download PDFInfo
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- CN207704005U CN207704005U CN201820093302.1U CN201820093302U CN207704005U CN 207704005 U CN207704005 U CN 207704005U CN 201820093302 U CN201820093302 U CN 201820093302U CN 207704005 U CN207704005 U CN 207704005U
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- electrically connected
- chromatic circle
- lithium ion
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- ion battery
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Abstract
The utility model discloses a kind of lithium ion battery protecting plate overcharge and cross put detection device, including DC power supply, the ports B of the DC power supply are electrically connected with R1 chromatic circle resistances, the B1 interfaces of the R1 chromatic circle resistances are electrically connected with R2 chromatic circle resistances, the B2 interfaces of the R2 chromatic circle resistances are electrically connected with R3 chromatic circle resistances, the B3 interfaces of the R3 chromatic circle resistances are electrically connected with R4 chromatic circle resistances, the B interfaces of the DC power supply are electrically connected with ammeter, the B+ interfaces of the DC power supply are electrically connected with protection board, the both ends P+ and P on the protection board are electrically connected with voltmeter, the B interfaces of the ammeter and protection board are electrically connected, the utility model is related to lithium ion battery protection technique fields.Detection device is put in a kind of overcharging and crossing for the lithium ion battery protecting plate, has reached raising property easy to operate, the purpose for reducing cost, and being convenient for carrying.
Description
Technical field
The utility model is related to lithium ion battery protection technique field, specially a kind of lithium ion battery protecting plate overcharges
Detection device is put with crossing.
Background technology
Lithium metal battery and lithium ion battery.Lithium ion battery does not contain the lithium of metallic state, and can charge.It can
5th generation product lithium metal battery of rechargeable battery was born in 1996, safety, specific capacity, self-discharge rate and performance and price
Than being superior to lithium ion battery.Since the high-tech of its own requires limitation, the only company of a few countries is in life now
Produce this lithium metal battery.
Lithium ion battery is between more than 10 years since industrialization in 1992, and occupation rate of market increases sharply, development speed
It is Cd-Ni, what lead-acid battery was had no precedent.The rapid development of lithium ion battery causes electric vehicle circle great interest.With
Application of the lithium ion battery on electric vehicle, the safety of automobile-used large capacity, high-power lithium ion battery and its battery pack are asked
Topic is increasingly valued by people.
The detection of lithium ion battery protecting plate is relatively complicated at present, and of high cost, not readily portable.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of overcharging and cross and putting inspection for lithium ion battery protecting plate
Device is surveyed, the detection device for solving current lithium ion battery protecting plate is of high cost, complicated for operation, not readily portable problem.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of lithium ion battery protection
Detection device, including DC power supply are put in overcharging and crossing for plate, and the ports B- of the DC power supply are electrically connected with R1 chromatic circle resistances,
The B1 interfaces of the R1 chromatic circle resistances are electrically connected with R2 chromatic circle resistances, and the B2 interfaces of the R2 chromatic circle resistances are electrically connected with R3
The B3 interfaces of chromatic circle resistance, the R3 chromatic circle resistances are electrically connected with R4 chromatic circle resistances, and the B- interfaces of the DC power supply are electrical
It is connected with ammeter, the B+ interfaces of the DC power supply are electrically connected with protection board, the both ends the P+ and P- electricity on the protection board
Property is connected with voltmeter.
Preferably, the B- interfaces of the ammeter and protection board are electrically connected.
Preferably, the ports B3 between the R3 chromatic circle resistances and R4 chromatic circle resistances and the ports B3 on protection board are electrical
Connection.
Preferably, the ports B2 between the R3 chromatic circle resistances and R4 chromatic circle resistances and the ports B2 on protection board are electrical
Connection.
Preferably, the ports B1 between the R3 chromatic circle resistances and R4 chromatic circle resistances and the ports B1 on protection board are electrical
Connection.
Preferably, the voltage range of the DC power supply is 2.0V to 20V.
(3) advantageous effect
The utility model provides a kind of overcharging and cross and putting detection device for lithium ion battery protecting plate.Have following beneficial
Effect：
(1), the lithium ion battery protecting plate overcharge and cross put detection device, pass through adjust DC source voltage：4.25×4
=17V. is slowly raised toward 17.2V from 16V.Ammeter is observed during this, display numerical value is protection board quiescent dissipation.Work as direct current
For source voltage to 17V or so, protection board cuts off MOS, and voltmeter show value becomes 0, overcharges functional test and terminate, and adjusts DC source electricity
Pressure：2.5 × 4=10V. is slowly lowered toward 9.5V from 13V.Ammeter is observed during this, display numerical value is protection board static state work(
Consumption.When DC source voltage arrives 10V or so, protection board cuts off MOS, and voltmeter show value becomes 0, crosses playing function test and terminates.It reaches
Raising property easy to operate, the purpose for reducing cost, and being convenient for carrying are arrived.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model entirety.
In figure：1- DC power supplies, 2-R1 chromatic circle resistances, 3-R2 chromatic circle resistances, 4-R3 chromatic circle resistances, 5-R4 chromatic circle resistances,
6- ammeters, 7- protection boards, 8- voltmeters.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of lithium ion battery protecting plate overcharging and putting excessively
The ports B- of detection device, including DC power supply 1, DC power supply 1 are electrically connected with R1 chromatic circle resistances 2, R1 chromatic circle resistances 2
B1 interfaces are electrically connected with R2 chromatic circle resistances 3, and the B2 interfaces of R2 chromatic circle resistances 3 are electrically connected with R3 chromatic circle resistances 4, R3 colour circle electricity
The B3 interfaces of resistance 4 are electrically connected with R4 chromatic circle resistances 5, and the B- interfaces of DC power supply 1 are electrically connected with ammeter 6, DC power supply 1
B+ interfaces be electrically connected with protection board 7, the both ends P+ and P- on protection board 7 are electrically connected with voltmeter 8.Ammeter 6 and guarantor
The B- interfaces of backplate 7 are electrically connected.The ports B3 between R3 chromatic circle resistances 4 and R4 chromatic circle resistances 5 and the ports B3 on protection board 7
It is electrically connected.The ports B2 between R3 chromatic circle resistances 4 and R4 chromatic circle resistances 5 are electrically connected with the ports B2 on protection board 7.R3
The ports B1 between chromatic circle resistance 4 and R4 chromatic circle resistances 5 are electrically connected with the ports B1 on protection board 7.The voltage of DC power supply 1
Ranging from 2.0V to 20V.
In use, adjusting DC source voltage：4.25 × 4=17V. is slowly raised toward 17.2V from 16V.It is observed during this
Ammeter, display numerical value are protection board quiescent dissipation.When DC source voltage arrives 17V or so, protection board cuts off MOS, and voltmeter is aobvious
Indicating value becomes 0, overcharges functional test and terminates.Adjust DC source voltage：2.5 × 4=10V. is slowly lowered toward 9.5V from 13V.This
Ammeter is observed in the process, and display numerical value is protection board quiescent dissipation.When DC source voltage arrives 10V or so, protection board cut-out
MOS, voltmeter show value become 0, cross playing function test and terminate.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " including one ... the element limited, it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. detection device, including DC power supply (1) are put in a kind of overcharging and crossing for lithium ion battery protecting plate, it is characterised in that：Institute
The ports B- for stating DC power supply (1) are electrically connected with R1 chromatic circle resistances (2), and the B1 interfaces of the R1 chromatic circle resistances (2) electrically connect
R2 chromatic circle resistances (3) are connected to, the B2 interfaces of the R2 chromatic circle resistances (3) are electrically connected with R3 chromatic circle resistances (4), the R3 colour circles
The B3 interfaces of resistance (4) are electrically connected with R4 chromatic circle resistances (5), and the B- interfaces of the DC power supply (1) are electrically connected with electric current
The B+ interfaces of table (6), the DC power supply (1) are electrically connected with protection board (7), the both ends P+ and P- on the protection board (7)
It is electrically connected with voltmeter (8).
2. detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate according to claim 1, it is characterised in that：
The ammeter (6) and the B- interfaces of protection board (7) are electrically connected.
3. detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate according to claim 1, it is characterised in that：
The ports B3 between the R3 chromatic circle resistances (4) and R4 chromatic circle resistances (5) are electrically connected with the ports B3 on protection board (7).
4. detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate according to claim 1, it is characterised in that：
The ports B2 between the R3 chromatic circle resistances (4) and R4 chromatic circle resistances (5) are electrically connected with the ports B2 on protection board (7).
5. detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate according to claim 1, it is characterised in that：
The ports B1 between the R3 chromatic circle resistances (4) and R4 chromatic circle resistances (5) are electrically connected with the ports B1 on protection board (7).
6. detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate according to claim 1, it is characterised in that：
The voltage range of the DC power supply (1) is 2.0V to 20V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093302.1U CN207704005U (en) | 2018-01-19 | 2018-01-19 | Detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820093302.1U CN207704005U (en) | 2018-01-19 | 2018-01-19 | Detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207704005U true CN207704005U (en) | 2018-08-07 |
Family
ID=63035459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820093302.1U Active CN207704005U (en) | 2018-01-19 | 2018-01-19 | Detection device is put in a kind of overcharging and crossing for lithium ion battery protecting plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207704005U (en) |
-
2018
- 2018-01-19 CN CN201820093302.1U patent/CN207704005U/en active Active
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