CN205120851U - Many strings of lithium ion battery protection shield testing arrangement - Google Patents
Many strings of lithium ion battery protection shield testing arrangement Download PDFInfo
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- CN205120851U CN205120851U CN201520775483.2U CN201520775483U CN205120851U CN 205120851 U CN205120851 U CN 205120851U CN 201520775483 U CN201520775483 U CN 201520775483U CN 205120851 U CN205120851 U CN 205120851U
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Abstract
The utility model discloses a many strings of lithium ion battery protection shield testing arrangement includes voltage regulator module, contains a plurality of voltage regulator module among the testing arrangement, and voltage regulator module comprises transformer, voltage stabilizing module and a voltmeter gauge outfit V, voltage regulator module, emitting diode DL1, current -limiting resistor R2, double pole double throw change over switch K1 and the battery protection shield that will test are established ties and are formed a major loop together. The utility model discloses battery protection shield testing arrangement not only can simulate the different voltage of electric core output, moreover testable charge -discharge with mouthful or the battery protection shield of different mouthful of charge -discharge, guard mode and protection parameter that the protection shield can also audio -visual demonstration protection shield.
Description
Technical field
The utility model relates to a kind of battery protection board test device, especially relates to the proving installation of a kind of multi-string lithium ion battery (with mouth battery, different mouth battery) fender.
Background technology
Battery protection board test device, being mainly used for detecting battery protecting plate and whether having battery core superpotential and low-voltage protection function, is testing tool the most basic in battery protecting plate Developmental Engineer performance history.But proving installation in the market or expensive, or afunction uses inconvenience.To such an extent as to many slip-stick artists can only use by oneself, some resistance carry out test battery fender to build some simple proving installations, so not only extend the construction cycle of product, and have impact on the precision of test.Nowadays lithium battery industry is under the promotion of national new forms of energy policy, is just locating the quick rise period.Therefore be necessary very much to develop a cost performance high, use easy to operate battery protection board test device.
Existing battery protection board test device, shown in accompanying drawing 1, the electronic load A of Voltage Regulator Module and belt current table, the battery protecting plate that will test are together in series formation major loop.The output voltage V2 of regulation voltage adjustment module during test, makes its overvoltage protection value higher than battery protecting plate or the low-voltage protection value lower than battery protecting plate.If the current value of electronic load display is zero, then illustrate that battery protecting plate is protected, fender has superpotential and low-voltage protection function.
Mainly there is following weak point in this scheme:
1, discharge and recharge can only be tested with port battery protecting plate, the now common different mouth battery protecting plate of discharge and recharge cannot be tested;
2, when electronic load to show electric current be zero, illustrate that fender is protected, but tester cannot identify that doing backplate is the state that place's overvoltage protection state or low-voltage protection state or superpotential and under-voltage are all protected fast;
3, the electronic load of belt current table is adopted to add the manufacturing cost of proving installation;
4, using the null value of reometer display as the mark of fender guard mode, test effect is obvious not, is unfavorable for that tester tests.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art; a kind of multi-string lithium ion battery protecting plate proving installation is provided; the light emitting diode of connecting with current-limiting resistance with one replaces above-mentioned electronic load, represents the guard mode of fender with the light on and off of light emitting diode.Make test effect more obvious like this, also reduce the manufacturing cost of proving installation simultaneously.
For achieving the above object, the utility model adopts following scheme:
A kind of multi-string lithium ion battery protecting plate proving installation, includes: Voltage Regulator Module, and containing some Voltage Regulator Module in proving installation, the transformer that Voltage Regulator Module is exported by 12V, LM317 Voltage stabilizing module and a voltage table gauge outfit V form; Transformer inputs connects 220V dispatch from foreign news agency, and transformer output terminal connects LM317 Voltage stabilizing module, and LM317 Voltage stabilizing module output terminal connects a voltage table gauge outfit V; Proving installation is cascaded by Voltage Regulator Module, light emitting diode DL1 (LED), current-limiting resistance R2, dpdt double-pole double-throw (DPDT) change-over switch K1 and the battery protecting plate that will test and forms a major loop;
Voltage Regulator Module input end connects civil power, Voltage Regulator Module output head anode Bn+ connecting luminous diode DL1 anode (LED), dpdt double-pole double-throw (DPDT) change-over switch K1 is connected after light emitting diode DL1 negative electrode series limiting resistor R2, switch pin 1, switch pin 2, switch pin 3, switch pin 4 is provided with in dpdt double-pole double-throw (DPDT) change-over switch K1, switch pin 1, switch pin 2 form charging measurement end, and switch pin 3, switch pin 4 form discharge test end; The negative pole of dpdt double-pole double-throw (DPDT) change-over switch K1 connects the power cathode Bn-of Voltage Regulator Module output terminal;
Fender is provided with B-end, C-holds, P-holds three input ends; the switch pin 1 of dpdt double-pole double-throw (DPDT) change-over switch K1, switch pin 4 connect the B-end of fender; the switch pin 2 of dpdt double-pole double-throw (DPDT) change-over switch K1 connects the C-end of fender, and the switch pin 3 of dpdt double-pole double-throw (DPDT) change-over switch K1 connects the P-end of fender.
Wherein in some embodiments, described fender includes: IC chip, DMOS pipe (DischargingMOS manages, electric discharge metal-oxide-semiconductor), CMOS tube (ChargingMOS manages, charging metal-oxide-semiconductor); On fender, the power supply B+ of IC chip holds the positive source Bn+ connecting Voltage Regulator Module, and on fender, the power supply B0 of IC chip holds the power cathode Bn-connecting Voltage Regulator Module;
The B-end of fender connects the S pole (source electrode) of DMOS pipe, and the G pole (grid) of DMOS pipe connects IC chip pin, and the D pole (drain electrode) of DMOS pipe connects the P-end of fender;
The D pole (drain electrode) of CMOS tube connects the P-end of fender, and the G pole (grid) of CMOS tube connects IC chip pin; The S pole (source electrode) of CMOS tube connects the C-end of fender;
Be connected with diode D1 between S pole (source electrode) in DMOS pipe and D pole (drain electrode), the diode D1 anode in DMOS pipe connects S pole (source electrode), and the diode D1 negative electrode in DMOS pipe connects D pole (drain electrode);
Diode D2 is connected with between S pole (source electrode) in CMOS tube and D pole (drain electrode), diode D2 negative electrode in CMOS tube connects the D pole (drain electrode) of CMOS tube, and the diode D2 anode in CMOS tube connects the S pole (source electrode) of CMOS tube.
Wherein in some embodiments, the P-end of described fender connects the D pole (drain electrode) of DMOS pipe and the D pole (drain electrode) of CMOS tube.
Wherein in some embodiments, described switch pin 2, switch pin 3 receive C-end, the P-end of fender simultaneously, and the C-end of fender, P-hold parallel connection, and the C-end of fender, P-end connect the S pole (source electrode) of CMOS tube simultaneously.
Wherein in some embodiments, described current-limiting resistance R2 impedance is preferably 470 Ω or 1k Ω, is provided with potentiometer Rx in LM317 Voltage stabilizing module.
The utility model is cascaded by Voltage Regulator Module, light emitting diode DL1, current-limiting resistance R2, dpdt double-pole double-throw (DPDT) change-over switch K1 and the battery protecting plate that will test and forms a major loop.The transformer that Voltage Regulator Module is exported by 12V, LM317 Voltage stabilizing module and a voltage table gauge outfit V form.A light emitting diode DL1 and current-limiting resistance R2 is together in series and makes the display module of proving installation, if fender place guard mode, loop is cut off, and light emitting diode DL1 is not luminous.
Dpdt double-pole double-throw (DPDT) change-over switch K1 is switching over module; during to test fender overcharge (superpotential) defencive function; dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to charging measurement end (additives for overcharge protection test gear); during to test fender overdischarge (under-voltage) defencive function, dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to discharge test end (over test gear).
The program can test discharge and recharge with port battery protecting plate, also can test the different mouth battery protecting plate of discharge and recharge.The light on and off of light emitting diode DL1 represent the guard mode of fender, and effect is more obvious.
The utility model battery protection board test device not only can be simulated battery core and be exported different voltage; and the battery protecting plate of discharge and recharge with mouth or the different mouth of discharge and recharge can be tested, the proving installation solved on market in identical price can only test discharge and recharge can not test the different mouth fender of discharge and recharge technical matters with mouth fender.In addition fender can also show guard mode and the Protection parameters of fender intuitively.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of existing proving installation;
Fig. 2 is the circuit theory diagrams of the utility model embodiment one, system schematic during test discharge and recharge different mouth battery protecting plate;
Fig. 3 is the circuit theory diagrams of the utility model embodiment two, and test discharge and recharge is with system schematic during mouth battery protecting plate;
Fig. 4 is the circuit theory diagrams of the utility model fender;
Fig. 5 is electronic-circuit diagram of the present utility model.
Embodiment
For feature of the present utility model, technological means and the specific purposes reached, function can be understood further, resolve advantage of the present utility model and spirit, by being further elaborated the utility model by the following examples.
The utility model is mainly used to superpotential, the low-voltage protection function of the multi-string lithium ion battery protecting plate checking discharge and recharge with port or discharge and recharge heterodoxy mouth, and its principle is as shown in accompanying drawing 2, accompanying drawing 3.
Embodiment one:
As shown in Figure 2, containing some Voltage Regulator Module 11 in proving installation, the transformer that Voltage Regulator Module 11 is exported by 12V, LM317 Voltage stabilizing module and a voltage table gauge outfit V form; Transformer inputs connects 220V dispatch from foreign news agency, and transformer output terminal connects LM317 Voltage stabilizing module, and LM317 Voltage stabilizing module output terminal connects a voltage table gauge outfit V.
Voltage Regulator Module 11, light emitting diode DL1, current-limiting resistance R2, dpdt double-pole double-throw (DPDT) change-over switch K1 and the battery protecting plate 13 that will test are cascaded formation one major loop.
Voltage Regulator Module 11 input end connects civil power, and Voltage Regulator Module 11 output head anode Bn+ connecting luminous diode DL1 anode, connects the positive pole of dpdt double-pole double-throw (DPDT) change-over switch K1 after light emitting diode DL1 negative electrode series limiting resistor R2.
Be provided with switch pin 1, switch pin 2, switch pin 3, switch pin 4 in dpdt double-pole double-throw (DPDT) change-over switch K1, switch pin 1, switch pin 2 form charging measurement end 16, and switch pin 3, switch pin 4 form discharge test end 17.The negative pole of dpdt double-pole double-throw (DPDT) change-over switch K1 connects the power cathode Bn-of Voltage Regulator Module 11 output terminal.
Fender 13 is provided with B-end, C-holds, P-holds three input ends, and the switch pin 1 of dpdt double-pole double-throw (DPDT) change-over switch K1, switch pin 4 connect the B-end of fender 13, and switch pin 2 connects the C-end of fender 13, and switch pin 3 connects the P-end of fender 13.
Further, wherein in some embodiments, fender 13 includes: IC chip, DMOS pipe, CMOS tube; On fender 13, the power supply B+ of IC chip holds the positive source Bn+ connecting Voltage Regulator Module 11, and on fender 13, the power supply B0 of IC chip holds the power cathode Bn-connecting Voltage Regulator Module 11.
Further; wherein in some embodiments; the B-end of fender 13 connects DMOS pipe (DischargingMOS pipe; electric discharge metal-oxide-semiconductor) S pole (source electrode) and diode D1 anode; the G pole (grid) of DMOS pipe connects IC chip pin, and the D pole (drain electrode) of DMOS pipe connects the P-end of fender 13.The D pole (drain electrode) of DMOS pipe connects the D pole (drain electrode) of CMOS tube (ChargingMOS manages, charging metal-oxide-semiconductor), and the G pole (grid) of CMOS tube connects IC chip pin; The C-end of fender 13 connects S pole (source electrode) and the diode D2 anode of CMOS tube, and the D pole (drain electrode) of CMOS tube connects the P-end of fender 13.
Be provided with diode D1 between S pole (source electrode) in DMOS pipe and D pole (drain electrode), the diode D1 anode in DMOS pipe connects S pole (source electrode), and the diode D1 negative electrode in DMOS pipe connects D pole (drain electrode);
Diode D2 is provided with between S pole (source electrode) in CMOS tube and D pole (drain electrode), diode D2 negative electrode in CMOS tube connects the D pole (drain electrode) of CMOS tube, and the diode D2 anode in CMOS tube connects the S pole (source electrode) of CMOS tube.
The P-end of fender 13 connects CMOS tube D pole (drain electrode) in parallel and DMOS pipe D pole (drain electrode).
Embodiment two:
As shown in Figure 3, switch pin 2, switch pin 3 receive C-end, the P-end of fender 13 simultaneously, and the C-end of fender 13, P-hold parallel connection, C-end, the P-end of fender 13 connect the S pole (source electrode) of CMOS tube in parallel and diode D2 anode.Current-limiting resistance R2 impedance is preferably 470 Ω or 1k Ω.Potentiometer Rx is provided with in LM317 Voltage stabilizing module.
The D pole (drain electrode) of CMOS tube connects the D pole (drain electrode) of DMOS pipe, and the G pole (grid) of CMOS tube connects IC chip pin; The S pole (source electrode) of CMOS tube is connected fender 13 C-with diode D2 anode holds and holds with P-;
The B-end of fender 13 connects the S pole (source electrode) of DMOS pipe and diode D1 anode, and the G pole (grid) of DMOS pipe connects IC chip pin.
As shown in Figure 5, Voltage Regulator Module 11 is exported by 12V transformer, LM317 Voltage stabilizing module and a voltage table gauge outfit V form; Transformer inputs connects 220V dispatch from foreign news agency, and transformer output terminal connects LM317 Voltage stabilizing module, and LM317 Voltage stabilizing module output terminal connects a voltage table gauge outfit V.Containing some Voltage Regulator Module 11 in proving installation, such as, wherein in an embodiment, there are transformer U2, transformer U4, transformer U6, transformer U8, transformer U10, connect LM317 Voltage stabilizing module U1, LM317 Voltage stabilizing module U3, LM317 Voltage stabilizing module U5, LM317 Voltage stabilizing module U7, LM317 Voltage stabilizing module U9 respectively.Each LM317 Voltage stabilizing module is all provided with potentiometer Rx; Be respectively potentiometer Rx1, potentiometer Rx2, potentiometer Rx3, potentiometer Rx4, potentiometer Rx5.Each LM317 Voltage stabilizing module output terminal connects separately a voltage table gauge outfit V.
The technical program light emitting diode DL1 that is connected with current-limiting resistance R2 replaces electronic load.The guard mode of fender 13 is represented with the light on and off of light emitting diode DL1.Make test effect more obvious like this, also reduce the manufacturing cost of proving installation simultaneously.The utility model additionally uses a dpdt double-pole double-throw (DPDT) change-over switch K1 to realize the switching of additives for overcharge protection test shelves and over test shelves in addition, and the specific connected mode of this dpdt double-pole double-throw (DPDT) change-over switch K1 and fender 13, Voltage Regulator Module 11 makes this proving installation can test discharge and recharge and can test again discharge and recharge heterodoxy mouth battery protecting plate 13 with port protection plate 13 in addition.
During test, system is cascaded by Voltage Regulator Module 11, light emitting diode DL1, current-limiting resistance R2, dpdt double-pole double-throw (DPDT) change-over switch K1 and the battery protecting plate 13 that will test and forms a major loop.
The transformer that Voltage Regulator Module 11 is exported by 12V, LM317 Voltage stabilizing module and a voltage table gauge outfit V form.220V civil power exports 12V direct current by transformer and powers to LM317 Voltage stabilizing module.Can observe the magnitude of voltage of the upper display of voltage table gauge outfit V of LM317 Voltage stabilizing module output terminal in limit during test, limit regulates the potentiometer Rx in LM317 Voltage stabilizing module, makes arbitrary magnitude of voltage within the scope of LM317 Voltage stabilizing module output 0 ~ 4.5V to simulate battery core.For simulation multi-string lithium ion battery, containing multiple Voltage Regulator Module 11 in the utility model.
A light emitting diode DL1 and current-limiting resistance R2 is together in series and makes the display module of proving installation, if fender 13 is not protected during test, major loop conducting, light emitting diode DL1 is lit.If fender 13 place guard mode, loop is cut off, and light emitting diode DL1 is not luminous.
Dpdt double-pole double-throw (DPDT) change-over switch K1 is switching over module; during to test fender 13 overcharge (superpotential) defencive function; dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to charging measurement end 16 (additives for overcharge protection test gear); during to test fender 13 overdischarge (under-voltage) defencive function, dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to discharge test end 17 (owing discharge prevention test gear).
1., discharge and recharge different mouth battery protecting plate test philosophy, see accompanying drawing 2: the circuit theory diagrams of embodiment one when mouth battery protecting plate (test discharge and recharge different system schematic);
1.-1, over-voltage protection function test: dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to additives for overcharge protection test shelves, the major loop that system is formed is as follows:
Diode D1 → CMOS tube → fender C-end → switch pin 2 → K switch 1 negative pole-→ power cathode Bn-of positive source Bn+ → light emitting diode DL1 → current-limiting resistance R2 → K switch 1 positive pole+→ switch pin 1 → fender B-end → DMOS pipe.
If the voltage that arbitrary LM317 Voltage stabilizing module exports to be adjusted to the overvoltage protection value of fender, the CMOS on fender 13 is turned off, and loop cuts off, and light emitting diode DL1 extinguishes, and illustrates that fender over-voltage protection function is normal.
-2 1., discharge prevention functional test is owed: dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to discharge prevention test shelves, the major loop that system is formed is as follows:
Positive source Bn+ → light emitting diode DL1 → current-limiting resistance R2 → K switch 1 positive pole+→ switch pin 3 → fender P-end → DMOS pipe → switch pin 4 → K switch 1 negative pole-→ power cathode Bn-.
If the voltage that arbitrary LM317 Voltage stabilizing module exports to be adjusted to the low-voltage protection value of fender, the DMOS on fender 13 is turned off, and loop cuts off, and light emitting diode DL1 extinguishes, and illustrates that fender low-voltage protection function is normal.
2., discharge and recharge is with mouth battery protecting plate test philosophy, switch pin 2, switch pin 3 are received simultaneously C-, P-end of fender 13, see accompanying drawing 3: the circuit theory diagrams (test discharge and recharge is with system schematic during mouth battery protecting plate) of embodiment two;
2.-1, overcharge protection test: dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to additives for overcharge protection test shelves, the major loop that system is formed is as follows:
Diode D1 → CMOS tube → fender C-(P-) end → switch pin 2 → K switch 1 negative pole-→ power cathode Bn-of positive source Bn+ → light emitting diode DL1 → current-limiting resistance R2 → K switch 1 positive pole+→ switch pin 1 → fender B-end → DMOS pipe.
If the voltage that arbitrary LM317 Voltage stabilizing module exports to be adjusted to the overvoltage protection value of fender, the CMOS on fender 13 is turned off, and loop cuts off, and light emitting diode DL1 extinguishes, and illustrates that fender over-voltage protection function is normal.
-2 2., discharge prevention functional test is owed: dpdt double-pole double-throw (DPDT) change-over switch K1 is allocated to discharge prevention test shelves, the major loop that system is formed is as follows:
Diode D2 → DMOS pipe → fender B-end → switch pin 4 → K switch 1 negative pole-→ power cathode Bn-of positive source Bn+ → light emitting diode DL1 → current-limiting resistance R2 → K switch 1 positive pole+→ switch pin 3 → fender C-(P-) end → CMOS tube.
If the voltage that arbitrary LM317 Voltage stabilizing module exports to be adjusted to the low-voltage protection value of fender, the DMOS on fender 13 is turned off, and loop cuts off, and light emitting diode DL1 extinguishes, and illustrates that fender low-voltage protection function is normal.
The utility model compared with prior art mainly has the following advantages:
1, discharge and recharge can be tested with port battery protecting plate, also can test the different mouth battery protecting plate of discharge and recharge.
2, to connect with current-limiting resistance R2 replace electronic load to do manufacturing cost that display module reduces proving installation with light emitting diode DL1.
3, the light on and off of light emitting diode DL1 represent the guard mode of fender, and effect is more obvious, are convenient to slip-stick artist's test.
4, dpdt double-pole double-throw (DPDT) change-over switch K1 has additives for overcharge protection test shelves and over test shelves.Therefore, when fender protection causes diode extinguishing, it is place's overvoltage protection state or place's low-voltage protection state that tester more easily distinguishes now fender.
The utility model additionally uses a dpdt double-pole double-throw (DPDT) change-over switch K1 to realize the switching of additives for overcharge protection test shelves and over test shelves in addition, and the specific connected mode of this dpdt double-pole double-throw (DPDT) change-over switch K1 and fender, Voltage Regulator Module makes this proving installation can test discharge and recharge and can test again discharge and recharge heterodoxy mouth battery protecting plate with port protection plate in addition.
The above embodiment only have expressed some embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with claims.
Claims (5)
1. a multi-string lithium ion battery protecting plate proving installation, include: Voltage Regulator Module (11), containing some Voltage Regulator Module (11) in described proving installation, it is characterized in that, the transformer that described Voltage Regulator Module (11) is exported by 12V, LM317 Voltage stabilizing module and a voltage table gauge outfit V form; Described transformer inputs connects 220V dispatch from foreign news agency, and described transformer output terminal connects LM317 Voltage stabilizing module, and described LM317 Voltage stabilizing module output terminal connects a voltage table gauge outfit V; Described proving installation is cascaded by Voltage Regulator Module (11), light emitting diode DL1, current-limiting resistance R2, dpdt double-pole double-throw (DPDT) change-over switch K1 and the fender (13) that will test and forms a major loop;
Described Voltage Regulator Module (11) input end connects civil power, the positive source Bn+ connecting luminous diode DL1 anode of described Voltage Regulator Module (11) output terminal, the positive pole of dpdt double-pole double-throw (DPDT) change-over switch K1 is connected after described light emitting diode DL1 negative electrode series limiting resistor R2, switch pin 1 is provided with in described dpdt double-pole double-throw (DPDT) change-over switch K1, switch pin 2, switch pin 3, switch pin 4, described switch pin 1, switch pin 2 forms charging measurement end (16), described switch pin 3, switch pin 4 forms discharge test end (17), the negative pole of described dpdt double-pole double-throw (DPDT) change-over switch K1 connects the power cathode Bn-of Voltage Regulator Module (11) output terminal,
Described fender (13) is provided with B-end, C-holds, P-holds three input ends; the switch pin 1 of dpdt double-pole double-throw (DPDT) change-over switch K1, switch pin 4 connect the B-end of fender (13); the switch pin 2 of dpdt double-pole double-throw (DPDT) change-over switch K1 connects the C-end of fender (13), and switch pin 3 connects the P-end of fender (13).
2. a kind of multi-string lithium ion battery protecting plate proving installation according to claim 1, is characterized in that, described fender (13) includes: IC chip, DMOS pipe, CMOS tube; The power supply B+ of the upper IC chip of described fender (13) holds the positive source Bn+ connecting Voltage Regulator Module (11), and the power supply B0 of the upper IC chip of described fender (13) holds the power cathode Bn-connecting Voltage Regulator Module (11);
The B-end of described fender (13) connects the S pole of DMOS pipe, and the G pole of DMOS pipe connects IC chip pin, and the D pole of DMOS pipe connects the P-end of fender (13);
The D pole of CMOS tube connects the P-end of fender (13), and the G pole of CMOS tube connects IC chip pin; The S pole of CMOS tube connects the C-end of fender (13);
Be provided with diode D1 between S pole in DMOS pipe and D pole, the diode D1 anode in DMOS pipe connects S pole, and the diode D1 negative electrode in DMOS pipe connects D pole;
Be provided with diode D2 between S pole in CMOS tube and D pole, the diode D2 negative electrode in CMOS tube connects the D pole of CMOS tube, and the diode D2 anode in CMOS tube connects the S pole of CMOS tube.
3. a kind of multi-string lithium ion battery protecting plate proving installation according to claim 2, is characterized in that, the P-end of described fender (13) connects the D pole of DMOS pipe and the D pole of CMOS tube.
4. a kind of multi-string lithium ion battery protecting plate proving installation according to claim 2; it is characterized in that; described switch pin 2, switch pin 3 receive C-end, the P-end of fender (13) simultaneously; the C-end of fender (13), P-hold parallel connection, the C-end of fender (13), the common S pole connecting CMOS tube of P-end.
5. a kind of multi-string lithium ion battery protecting plate proving installation according to claim 1 and 2, is characterized in that, described current-limiting resistance R2 impedance is 470 Ω or 1k Ω, is provided with potentiometer Rx in described LM317 Voltage stabilizing module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520775483.2U CN205120851U (en) | 2015-09-30 | 2015-09-30 | Many strings of lithium ion battery protection shield testing arrangement |
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| CN201520775483.2U CN205120851U (en) | 2015-09-30 | 2015-09-30 | Many strings of lithium ion battery protection shield testing arrangement |
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| CN205120851U true CN205120851U (en) | 2016-03-30 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037461A (en) * | 2017-12-06 | 2018-05-15 | 惠州市蓝微电子有限公司 | A kind of fast testing system and test board of double battery core battery protecting plates |
| CN112285463A (en) * | 2020-10-13 | 2021-01-29 | 安徽锐能科技有限公司 | Testing device and method for lithium battery protection board and storage medium |
| CN113156298A (en) * | 2021-04-23 | 2021-07-23 | 福建飞毛腿动力科技有限公司 | Under-voltage and over-voltage debugging circuit for testing multiple strings of protection plates |
| CN117269798A (en) * | 2023-11-22 | 2023-12-22 | 禹创半导体(深圳)有限公司 | Output stage reconnaissance circuit and method applied to judging type of external transistor |
-
2015
- 2015-09-30 CN CN201520775483.2U patent/CN205120851U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108037461A (en) * | 2017-12-06 | 2018-05-15 | 惠州市蓝微电子有限公司 | A kind of fast testing system and test board of double battery core battery protecting plates |
| CN112285463A (en) * | 2020-10-13 | 2021-01-29 | 安徽锐能科技有限公司 | Testing device and method for lithium battery protection board and storage medium |
| CN113156298A (en) * | 2021-04-23 | 2021-07-23 | 福建飞毛腿动力科技有限公司 | Under-voltage and over-voltage debugging circuit for testing multiple strings of protection plates |
| CN117269798A (en) * | 2023-11-22 | 2023-12-22 | 禹创半导体(深圳)有限公司 | Output stage reconnaissance circuit and method applied to judging type of external transistor |
| CN117269798B (en) * | 2023-11-22 | 2024-03-15 | 禹创半导体(深圳)有限公司 | Output stage reconnaissance circuit and method applied to judging type of external transistor |
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