CN202758054U - Battery pack charging detection system - Google Patents
Battery pack charging detection system Download PDFInfo
- Publication number
- CN202758054U CN202758054U CN2012204319417U CN201220431941U CN202758054U CN 202758054 U CN202758054 U CN 202758054U CN 2012204319417 U CN2012204319417 U CN 2012204319417U CN 201220431941 U CN201220431941 U CN 201220431941U CN 202758054 U CN202758054 U CN 202758054U
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- detection system
- resistance
- charging detection
- comparing unit
- batteries charging
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Abstract
Provided is a battery pack charging detection system, comprising a battery pack composed of multiple battery modules and a line detection system, wherein the anode of each battery module is provided with an anode branch line extending to the line detection system while the cathode thereof is provided with a cathode branch line extending to the line detection system; and both the anode branch line and the cathode branch line are connected with the line detection system via a relay. With the technical scheme of the utility model, the short circuit problem resulting from the aging of the relay can be effectively avoided when an electricity compensation device is employed to charge the battery pack, thereby ensuring the safe switching of the battery modules in a large-scale battery pack, avoiding the fault connection of the charging circuit, avoiding the recoiling to the battery, and preventing the direct generation of the short circuit. The battery pack charging detection system ensures the security of the whole charging process and protects the safety of life and property.
Description
Technical field
The utility model relates to a kind of batteries charging detection system.
Background technology
Traditional lithium ion battery group is comprised of several power brick connection in series-parallel, electric battery is after discharging and recharging for a long time, the power brick of electric battery easily causes unbalanced phenomena, mend electricity so after electric battery has been used a period of time, just need to carry out equilibrium to it, common benefit electric hand section is to use less electric current that it is continued charging, the battery of owing electricity is full of electricity, can so that electric battery is recovered initial use state, increases application performance and serviceable life.
But in practical operation, the corresponding little electric current ancillary equipment of each power brick still considers it all is impossible from the complexity of system from cost consideration, therefore in the urgent need to a kind of equipment that can make things convenient for, effectively power brick be carried out complementary energy; In the prior art, use a kind of electric current ancillary equipment that whole power brick is charged, the electric current ancillary equipment can all fill multi-string battery by the mode of charged in parallel, but the battery module in the power brick is being carried out and during tie, need to from battery, draw wire harness in each battery module and connect respectively charging equipment, the complexity of its wire harness is well imagined, connect the possibility of makeing mistakes very large, if the wrong situation occurs, might cause recoil or the phenomenon that directly is short-circuited to battery, easily cause security incident, the threat to life property safety.
The utility model content
The purpose of this utility model provides and a kind ofly can effectively detect the unusual batteries charging detection system of charging circuit.
For reaching above-mentioned purpose, the utility model provides a kind of batteries charging detection system, it comprises electric battery and the wireline inspection system that is comprised of several battery modules, the positive pole of each battery module all arranges the anodal branch line and the negative pole that extend to the wireline inspection system negative pole branch line that extends to the wireline inspection system all is set, and described all anodal branch lines and negative pole branch line all are connected with the wireline inspection system by relay.
The positive pole of each battery module all arranges the anodal branch line and the negative pole that extend to the wireline inspection system negative pole branch line that extends to the wireline inspection system all is set, and described all anodal branch lines and negative pole branch line all are connected with the wireline inspection system by relay;
With the independent line attachment detection system of each battery module, whether the wiring that can detect simultaneously each battery module is correct; At anodal branch line and negative pole branch line relay is set and when needs detect, connects the wireline inspection system, open-circuit line detection system when needs charge.
As preferably, in the described wireline inspection system comparator circuit, trigger unit, testbus are set; Described each battery module is corresponding comparator circuit all, and is in parallel and be connected in series by testbus and trigger unit mutually between the comparator circuit.
The comparator circuit that arranges in the wireline inspection system is connected to trigger unit after can detecting the voltage that the electric battery common bus is negative and common bus is positive, feeds back accurately result by trigger unit;
As preferably, described comparator circuit comprises input power, comparing unit, resistance and electric capacity, and the positive pole of comparing unit is connected with the positive pole of battery module by resistance, and the negative pole of comparing unit is connected with the negative pole of battery module by resistance.
Comparing unit is a kind of output quantity numerical value can being compared with the reference value of regulation, to produce the device of a difference signal (error signal);
Output high level when the cathode voltage that detects comparing unit is higher than the comparing unit cathode voltage, the output low level when cathode voltage that detects comparing unit is lower than the comparing unit cathode voltage, when the voltage that only has all detection parts in the wireline inspection system to export all was high level, the voltage on the testbus just was high level; When the voltage of all the detection part outputs in the wireline inspection system is inconsistent, output low level on the testbus;
As preferably, described comparing unit+connect isolator after the VCC series capacitance.
Comparing unit+the VCC series capacitance can play the effect of filtering, prevent that comparing unit from affecting adversely.
As preferably, described comparing unit-VCC connects isolator.
As preferably, the positive pole of described comparing unit and negative pole all connect isolator by electric capacity.
Are connected with negative pole at the positive pole of comparing unit and connect electric capacity, can play the effect of filtering, prevent that comparing unit from affecting adversely.
As preferably, described trigger unit comprises input power, optocoupler sensor, resistance and electric capacity.
The optocoupler sensor also claims photoisolator or photoelectrical coupler, it is the device that comes transmission of electric signals take light as medium, illuminator emits beam when input end adds electric signal, and light-receiving device is accepted just to produce photocurrent after the light, flows out from output terminal, thereby realized " electricity-light-electricity " conversion, volume is little because it has, the life-span is long, contactless, and antijamming capability is strong, insulation between output and the input, the advantages such as one-way transmission signal obtain to use widely in digital circuit;
When being high level on the testbus, the optocoupler sensor is not luminous, shows that circuit is normal, and the wrong phenomenon does not occur, and when being low level on the testbus, the optocoupler sensor is luminous, shows that the wiring at certain battery module two ends makes mistakes, and has the wrong phenomenon to occur.
As preferably, described resistance comprises the resistance of resistance 〉=50 Κ Ω.
As preferably, described resistance comprises that resistance is the resistance of 100 Κ Ω.
Using resistance is the resistance of 100 Κ Ω, battery module electric leakage in the time of can preventing from detecting, and the input power that can prevent comparing unit is simultaneously guaranteeing that to charging battery module circuit forms under the prerequisite of path, reduces input power to the impact of battery module.
As preferably, the supply voltage of described comparing unit is identical with the supply voltage of trigger unit.
The utility model has the advantages that: when using the electric equipment of benefit that electric battery is mended electricity; can effectively avoid because the short circuit phenomenon that the wiring wrong of battery module causes; avoid battery is caused recoil and prevents from directly being short-circuited phenomenon; guarantee the security of whole charging process, the protection security of the lives and property.
Description of drawings
Fig. 1 is the testing circuit schematic diagram of batteries charging detection system.
Wherein: 1, anodal branch line, 11, relay, 2, the negative pole branch line, 3, comparing unit, 31, input power, 32, electric capacity, 33, resistance, 4, testbus, 5, the optocoupler sensor.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
As shown in Figure 1, the utility model is made of electric battery and the wireline inspection system that several battery modules form, the positive pole of each battery module all arranges the anodal branch line 1 and the negative pole that extend to the wireline inspection system negative pole branch line 2 that extends to the wireline inspection system all is set, and described all anodal branch lines 1 are connected with the negative pole branch line and all are connected with the wireline inspection system by relay 11.
Comparator circuit, trigger unit, testbus 4 are set in the wireline inspection system; Described each battery module is corresponding comparator circuit all, and is in parallel and be connected in series by testbus 4 and trigger unit mutually between the comparator circuit.
Comparator circuit is comprised of input power 31, comparing unit 3, resistance 33 and electric capacity 32, and the positive pole of comparing unit 3 is connected with the positive pole of battery module by resistance 33, and the negative pole of comparing unit is connected with the negative pole of battery module by resistance 33; Comparing unit 3+the 32 rear connections of VCC series capacitance isolator, comparing unit 3-VCC connects isolator; The positive pole of comparing unit 3 and negative pole all connect isolator by electric capacity.
Trigger unit comprises input power, optocoupler sensor 5, resistance and electric capacity, interior resistance and the electric capacity model of resistance in the trigger unit and electric capacity and top comparing unit communicates, resistance is the resistance that resistance is 100 Κ Ω, the supply voltage of trigger unit is identical with the supply voltage of comparing unit, is 24V.
Claims (10)
1. batteries charging detection system, comprise the electric battery and the wireline inspection system that are formed by several battery modules, the positive pole of each battery module all arranges the anodal branch line and the negative pole that extend to the wireline inspection system negative pole branch line that extends to the wireline inspection system all is set, and described all anodal branch lines and negative pole branch line all are connected with the wireline inspection system by relay.
2. batteries charging detection system according to claim 1 is characterized in that: in the described wireline inspection system comparator circuit, trigger unit, testbus are set; Described each battery module is corresponding comparator circuit all, and is in parallel and be connected in series by testbus and trigger unit mutually between the comparator circuit.
3. batteries charging detection system according to claim 2, it is characterized in that: described comparator circuit comprises input power, comparing unit, resistance and electric capacity, the positive pole of comparing unit is connected with the positive pole of battery module by resistance, and the negative pole of comparing unit is connected with the negative pole of battery module by resistance.
4. batteries charging detection system according to claim 3 is characterized in that: described comparing unit+connect isolator after the VCC series capacitance.
5. batteries charging detection system according to claim 3 is characterized in that: described comparing unit-VCC connects isolator.
6. batteries charging detection system according to claim 3 is characterized in that: the positive pole of described comparing unit and negative pole all connect isolator by electric capacity.
7. batteries charging detection system according to claim 2, it is characterized in that: described trigger unit comprises input power, optocoupler sensor, resistance and electric capacity.
8. according to claim 3 or 7 described batteries charging detection systems, it is characterized in that: described resistance comprises the resistance of resistance 〉=50 Κ Ω.
9. according to claim 3 or 7 described batteries charging detection systems, it is characterized in that: the supply voltage of described comparing unit is identical with the supply voltage of trigger unit.
10. batteries charging detection system according to claim 8, it is characterized in that: described resistance comprises that resistance is the resistance of 100 Κ Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204319417U CN202758054U (en) | 2012-08-29 | 2012-08-29 | Battery pack charging detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204319417U CN202758054U (en) | 2012-08-29 | 2012-08-29 | Battery pack charging detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758054U true CN202758054U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204319417U Expired - Lifetime CN202758054U (en) | 2012-08-29 | 2012-08-29 | Battery pack charging detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758054U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503268A (en) * | 2014-11-18 | 2015-04-08 | 深圳市芯海科技有限公司 | Power-on circuit of special-purpose chip having multiple cells and power-on start method |
| CN116125315A (en) * | 2022-12-02 | 2023-05-16 | 北京索英电气技术股份有限公司 | Detection device and detection method for line misconnection of battery charge and discharge test equipment |
-
2012
- 2012-08-29 CN CN2012204319417U patent/CN202758054U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503268A (en) * | 2014-11-18 | 2015-04-08 | 深圳市芯海科技有限公司 | Power-on circuit of special-purpose chip having multiple cells and power-on start method |
| CN104503268B (en) * | 2014-11-18 | 2018-04-10 | 深圳市芯海科技有限公司 | The electrification circuit and method for energizing and starting of special chip with multiple batteries |
| CN116125315A (en) * | 2022-12-02 | 2023-05-16 | 北京索英电气技术股份有限公司 | Detection device and detection method for line misconnection of battery charge and discharge test equipment |
| CN116125315B (en) * | 2022-12-02 | 2024-02-02 | 北京索英电气技术股份有限公司 | Detection device and detection method for line misconnection of battery charge and discharge test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 313000 Huzhou economic and Technological Development Zone, Zhejiang, Hung Fung Road, No. 2198 Patentee after: MICROVAST POWER SYSTEMS Co.,Ltd. Address before: 313000 Zhejiang Province, Huzhou City Road No. 1555 sunny Industrial Science and Technology Park 1 Patentee before: MICROVAST POWER SYSTEMS Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130227 |