CN206450729U - A kind of anti-misconnection circuit of multi-string battery voltage detecting - Google Patents
A kind of anti-misconnection circuit of multi-string battery voltage detecting Download PDFInfo
- Publication number
- CN206450729U CN206450729U CN201621446851.XU CN201621446851U CN206450729U CN 206450729 U CN206450729 U CN 206450729U CN 201621446851 U CN201621446851 U CN 201621446851U CN 206450729 U CN206450729 U CN 206450729U
- Authority
- CN
- China
- Prior art keywords
- circuit
- fuse
- circuit protection
- voltage
- utility
- 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.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 abstract description 7
- 238000004804 winding Methods 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 12
- 229910052744 lithium Inorganic materials 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model belongs to multi-string battery voltage acquisition field, more particularly to a kind of anti-misconnection circuit of multi-string battery voltage detecting.The utility model includes multiple circuit protection modules; each circuit protection module is respectively arranged at the positive and negative end of a battery; the signal output part of circuit protection module connects the signal input part of multidiameter option switch, and the signal output part of the multidiameter option switch connects the signal input part of AD converter.When there is line sequence mistake in voltage acquisition winding displacement; the two ends of voltage-regulator diode that can be in circuit protection module produce a high pressure or negative pressure; now voltage-regulator diode is turned on; electric current is produced in resettable fuse; resettable fuse is caused to act; whole anti-misconnection circuit work is cut off, protects internal circuit not to be damaged.The utility model can protect the component in Acquisition Circuit without damage, the maintainability of increase equipment and the operability of field adjustable.
Description
Technical field
The utility model belongs to multi-string battery voltage acquisition field, more particularly to a kind of mistake proofing of multi-string battery voltage detecting
Connect circuit.
Background technology
At present, it is general to coordinate difference AD converter using multidiameter option switch in multi-string battery voltage acquisition equipment, adopt
The voltage sample of multi-section serial battery is realized with the mode that different cell voltages are switched into AD converter.In order to ensure AD conversion
The stability and antijamming capability of the analog voltage input of device, can increase low pass filter in the input of every road cell voltage.
Because the voltage of single lithium battery is not over 5V, so in design, the input voltage of multidiameter option switch and AD converter
Limiting value is generally 5V.If when mistake occurs in the voltage acquisition winding displacement line sequence of collecting device, just occurred in acquisition channel
High voltage or negative voltage more than 5V, damage multidiameter option switch or AD converter.
Utility model content
There is provided a kind of mistake proofing of multi-string battery voltage detecting in order to overcome the above-mentioned deficiencies of the prior art for the utility model
Connect circuit, the utility model when there is mistake in voltage acquisition winding displacement line sequence, can protect component in Acquisition Circuit not by
Damage, the maintainability of increase equipment and the operability of field adjustable.
To achieve the above object, the utility model employs following technical measures：
A kind of anti-misconnection circuit of multi-string battery voltage detecting includes multiple circuit protection modules, and each described circuit is protected
Shield module is respectively arranged at the positive and negative end of a battery, the signal output part connection multidiameter option switch of circuit protection module
Signal input part, the signal output part of the multidiameter option switch connects the signal input part of AD converter.
The utility model can also further be realized by following technical measures.
It is preferred that, the circuit protection module includes the first fuse and the second fuse, the one of first fuse
The positive pole of the end connection battery, one end of the second fuse connects the negative pole of battery, and the other end of first fuse connects
Connect the negative pole of voltage-regulator diode and one end of first resistor, the positive pole of the other end connection voltage-regulator diode of the second fuse with
And one end of second resistance, one end of the other end the first electric capacity of connection of the first resistor and the one of multidiameter option switch
End, the other end of the second resistance connects the other end of the first electric capacity and the other end of multidiameter option switch.
Further, a fuse and a resistance are shared between two adjacent circuit protection modules.
The beneficial effects of the utility model are：
1), the utility model is respectively provided with a circuit protection mould in the positive and negative end of each lithium battery connected
Block, is delivered to signal in multidiameter option switch and AD converter by circuit protection module, realizes the collection of cell voltage, when
When there is line sequence mistake in voltage acquisition winding displacement, can voltage-regulator diode in circuit protection module two ends produce a high pressure or
Negative pressure, now voltage-regulator diode conducting, electric current is produced in resettable fuse, causes resettable fuse to act, cutting
Individual anti-misconnection circuit work, protects internal circuit not to be damaged, therefore the utility model can protect first device in Acquisition Circuit
Part is without damage, the maintainability of increase equipment and the operability of field adjustable.
Be worth it is emphasized that：The utility model only protect by above-mentioned physical unit and connect each physical unit it
Between the circuit device or physical platform that are constituted, without regard to software section therein.
2), share a fuse between two adjacent circuit protection modules and a resistance just can be real
Protection during existing multi-string battery voltage detecting to internal component, therefore the utility model reduces the use of component number,
Greatly reduce production cost.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams that the utility model is detected to single series lithium battery；
Fig. 2 is the circuit theory diagrams that the utility model is detected to multi-series lithium battery.
Reference implication in figure is as follows：
10-circuit protection module, 20-multidiameter option switch, 30-AD converter
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in figure 1, a kind of anti-misconnection circuit of multi-string battery voltage detecting includes multiple circuit protection modules 10, it is each
The individual circuit protection module 10 is respectively arranged at the positive and negative end of a lithium battery, the signal output of circuit protection module 10
The signal input part of end connection multidiameter option switch 20, the signal output part connection AD converter 30 of the multidiameter option switch 20
Signal input part.
As needed, any signal from circuit protection module 10 all the way of selection sends into AD conversion to multidiameter option switch 20
In device 30；AD converter 30 is used to the electric signal of simulation being converted into data signal, realizes and the voltage of multi-section serial battery is adopted
Sample.
As shown in figure 1, the circuit protection module 10 includes the first fuse and the second fuse, first fuse
One end connect the positive pole of the lithium battery, one end of the second fuse connects the negative pole of lithium battery, first fuse
The negative pole of other end connection voltage-regulator diode and first resistor R1 one end, other end connection voltage stabilizing two pole of the second fuse
The positive pole of pipe and second resistance R2 one end, the other end of the first resistor R1 connect the first electric capacity C1 one end and many
One end of road selecting switch 20, the first electric capacity C1 of other end connection of the second resistance R2 other end and multi-path choice are opened
The other end of pass 20.
First resistor R1, the first electric capacity C1 constitute a RC low pass filter, and second resistance R2, the first electric capacity C1 are constituted
Another RC low pass filter.
As shown in Fig. 2 two adjacent circuit protection modules 10 share a fuse and an electricity each other
Resistance.
By taking the lithium battery voltage sampling of two series connection as an example, the positive and negative end of two lithium batteries is respectively arranged with an electricity
Road protection module 10, the circuit structure of two circuit protection modules 10 is identical, and the second fuse F2, second resistance R2 are by two
Individual circuit protection module 10 is shared, and the signal output part of two circuit protection modules 10 is all connected with the letter of multidiameter option switch 20
Number input.By that analogy, it is adjacent if the lithium battery voltage to three lithium batteries connected or multiple series connection is sampled
A fuse F2 and a resistance can be shared between circuit protection module 10, therefore the utility model reduces component
The use of quantity, greatly reduces production cost.
The utility model when in use, can coordinate to be used with software of the prior art.With reference to existing
Operation principle of the present utility model is described software in technology, it must be noted that be：Match with the utility model
The software of conjunction is not innovative part of the present utility model, nor part of the present utility model.
Can be that voltage-regulator diode two ends produce a high pressure in acquisition channel when line sequence mistake occurs in voltage acquisition winding displacement
Or negative pressure, now voltage-regulator diode can turn on, electric current is produced in resettable fuse, causes resettable fuse to act, is cut
Disconnected acquisition channel, protects internal circuit not to be damaged.
When voltage acquisition winding displacement line sequence is normal, voltage-regulator diode is in cut-off state, and electric signal passes through RC low pass filters
Enter multidiameter option switch 20, AD converter 30 after filtering, realize and the lithium battery voltage of multiple series connection is sampled.
When line sequence mistake occurs in voltage acquisition winding displacement, voltage-regulator diode two ends that can be in circuit protection module 10 are produced
One high pressure or negative pressure, now voltage-regulator diode conducting, produces electric current in resettable fuse, causes resettable fuse to move
Make, cut off acquisition channel, protect internal circuit not to be damaged.
Claims (3)
1. a kind of anti-misconnection circuit of multi-string battery voltage detecting, it is characterised in that：Including multiple circuit protection modules (10), often
One circuit protection module (10) is respectively arranged at the positive and negative end of a battery, the signal of circuit protection module (10)
The signal input part of output end connection multidiameter option switch (20), the signal output part connection AD of the multidiameter option switch (20)
The signal input part of converter (30).
2. a kind of anti-misconnection circuit of multi-string battery voltage detecting as claimed in claim 1, it is characterised in that：The circuit is protected
Protecting module (10) includes the first fuse and the second fuse, and one end of first fuse connects the positive pole of the battery,
One end of second fuse connects the negative pole of battery, the negative pole of the other end connection voltage-regulator diode of first fuse and
One end of first resistor (R1), the positive pole of the other end connection voltage-regulator diode of the second fuse and the one of second resistance (R2)
End, the other end of the first resistor (R1) connects one end of the first electric capacity (C1) and one end of multidiameter option switch (20),
The other end of the second resistance (R2) connects the other end of the first electric capacity (C1) and the other end of multidiameter option switch (20).
3. a kind of anti-misconnection circuit of multi-string battery voltage detecting as claimed in claim 2, it is characterised in that：Adjacent two
The circuit protection module (10) shares a fuse and a resistance each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446851.XU CN206450729U (en) | 2016-12-27 | 2016-12-27 | A kind of anti-misconnection circuit of multi-string battery voltage detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446851.XU CN206450729U (en) | 2016-12-27 | 2016-12-27 | A kind of anti-misconnection circuit of multi-string battery voltage detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206450729U true CN206450729U (en) | 2017-08-29 |
Family
ID=59674098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621446851.XU Active CN206450729U (en) | 2016-12-27 | 2016-12-27 | A kind of anti-misconnection circuit of multi-string battery voltage detecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206450729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627772A (en) * | 2018-05-04 | 2018-10-09 | 安徽朗越能源股份有限公司 | A kind of lithium battery grouping output voltage method for rapidly testing |
-
2016
- 2016-12-27 CN CN201621446851.XU patent/CN206450729U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627772A (en) * | 2018-05-04 | 2018-10-09 | 安徽朗越能源股份有限公司 | A kind of lithium battery grouping output voltage method for rapidly testing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101931254B (en) | Guasi-static equalizing charge system and method for serially connected lithium battery pack | |
| CN203688636U (en) | System for detecting voltage of single battery unit of series battery pack | |
| CN107576914A (en) | Battery high-voltage sampling circuit and battery management system | |
| CN106370924A (en) | High-voltage signal acquisition and protection circuit | |
| CN206450729U (en) | A kind of anti-misconnection circuit of multi-string battery voltage detecting | |
| CN105576765B (en) | A kind of voltage collection circuit of multiple batteries | |
| CN202652182U (en) | PLC transistor output port circuit | |
| CN203218871U (en) | Low-power nickel-hydrogen battery protection circuit | |
| CN112305399A (en) | Surge testing method and device for acquisition chip at front end of BMS (battery management system) of electric automobile | |
| CN208110011U (en) | Battery high pressure sample circuit and battery management system | |
| CN206960628U (en) | A kind of integrated data acquisition unit for battery management system | |
| CN206226085U (en) | Lithium battery heating protecting device | |
| CN202840562U (en) | Lithium battery pack balanced charge-discharge protective circuit and system | |
| CN203103929U (en) | Protection circuit for lithium battery | |
| CN203800651U (en) | Electric automobile lithium iron phosphate battery pack energy balance control system | |
| CN104935061A (en) | Cell charging prompt circuit and lamp | |
| CN204575732U (en) | A kind of electrokinetic cell voltage sampling circuit | |
| CN102540094A (en) | Wireless detection module for storage battery discharge tester | |
| CN207248368U (en) | Intellectual monitoring wire clamp | |
| CN201903578U (en) | Novel extensible monolithic voltage detection system for fuel cells | |
| CN205864075U (en) | A kind of active power distribution network intelligent terminal's accumulator isolation monitoring device | |
| CN203800649U (en) | Electric automobile lithium iron phosphate battery pack energy balance control system and voltage acquisition module thereof | |
| CN205176172U (en) | Lithium ion battery organizes short -circuit protection testing arrangement | |
| CN204928207U (en) | But lithium ion battery of pressure regulating group | |
| CN204188738U (en) | A kind of accumulator that realizes connects the voltage collecting device and system that reverse-examination looks into |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 501, No. 8, No. 300, Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee after: LIGO (Shandong) New Energy Technology Co.,Ltd. Address before: 230088, building C2, Hefei University of science and technology, 800 Wangjiang West Road, Hefei hi tech Zone, Anhui 1-4, China Patentee before: ANHUI LIGOO NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yantai Yida Financial Leasing Co.,Ltd. Assignor: LIGO (Shandong) New Energy Technology Co.,Ltd. Contract record no.: X2020980008914 Denomination of utility model: An anti wrong connection circuit for voltage detection of multi series batteries Granted publication date: 20170829 License type: Exclusive License Record date: 20201208 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An anti wrong connection circuit for voltage detection of multi series batteries Effective date of registration: 20201209 Granted publication date: 20170829 Pledgee: Yantai Yida Financial Leasing Co.,Ltd. Pledgor: LIGO (Shandong) New Energy Technology Co.,Ltd. Registration number: Y2020980009062 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 265499 Room 501, No.8, No.300, Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee after: Ligao (Shandong) New Energy Technology Co.,Ltd. Address before: 265499 Room 501, No.8, No.300, Changjiang Road, Yantai Economic and Technological Development Zone, Shandong Province Patentee before: LIGO (Shandong) New Energy Technology Co.,Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221111 Granted publication date: 20170829 Pledgee: Yantai Yida Financial Leasing Co.,Ltd. Pledgor: LIGO (Shandong) New Energy Technology Co.,Ltd. Registration number: Y2020980009062 |
|
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Yantai Yida Financial Leasing Co.,Ltd. Assignor: LIGO (Shandong) New Energy Technology Co.,Ltd. Contract record no.: X2020980008914 Date of cancellation: 20230512 |
|
| EC01 | Cancellation of recordation of patent licensing contract |