CN202870133U - Simulation battery circuit for testing lithium battery protection circuit - Google Patents
Simulation battery circuit for testing lithium battery protection circuit Download PDFInfo
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- CN202870133U CN202870133U CN 201220571824 CN201220571824U CN202870133U CN 202870133 U CN202870133 U CN 202870133U CN 201220571824 CN201220571824 CN 201220571824 CN 201220571824 U CN201220571824 U CN 201220571824U CN 202870133 U CN202870133 U CN 202870133U
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Abstract
The utility model discloses a simulation battery circuit for testing a lithium battery protection circuit. The simulation battery circuit comprises a control circuit, a simulation battery main circuit and a display circuit which are sequentially connected, wherein the simulation battery main circuit simulates charging and discharging characteristics of a lithium battery; the control circuit realizes an automation test; and the display circuit displays a test result. The simulation battery circuit has the advantages of fast test speed, high precision and the like. Results of using the simulation circuit for testing battery protection boards are almost the same as results of real battery tests, and thus the simulation battery circuit can a real battery for performing the battery protection boards. Originally, using a real battery for testing a battery protection circuits costs half a day and even one day; however, using the simulation battery circuit for testing a battery protection circuit board only takes one to two minutes. As a result, the simulation battery circuit substantially improves efficiency.
Description
Technical field
The utility model belongs to lithium battery production test field, more specifically, relates to a kind of simulated battery circuit for the test lithium battery protection circuit.
Background technology
In recent years because the miniaturization of movable electrical appliances and popularizing, and the advantage such as that Li-Ion rechargeable battery has is small-sized, lightweight, output voltage is high, sparking voltage is stable, the storage time is long, so that the Li-Ion rechargeable battery consumption of electrical matching increases sharply.In the special electronic product of these classes such as charger, battery protecting plate; because its load is battery; if battery of detection that will be complete is from overcharging the characteristic of being cell panel backplate the whole process of putting; need to take long to battery is done a complete charge and discharge process; and the so long duration of charging obviously can make production efficiency descend; and often test also can make the shorter battery life that is used to charging and discharging; and internal resistance is increased; and then affect the accuracy of test result, therefore design a circuit that can simulated battery and seem particularly important.
The utility model content
Defective for prior art; the purpose of this utility model is to provide a kind of simulated battery circuit for the test lithium battery protection circuit, if be intended to solve battery of detection of wanting complete in the prior art from the problem of the overlong time that overcharges the characteristic of being cell panel backplate the whole process of putting and need to spend.
The utility model provides a kind of simulated battery circuit for the test lithium battery protection circuit, comprises;
Be connected, be used for realizing the control circuit of automatic test with described simulated battery main circuit; And
Be connected with described simulated battery main circuit, be used for the display circuit show test results.
Further, described simulated battery main circuit comprises: transformer, the first rectifier bridge, the first inductance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and the 7th electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 15 resistance, the 16 resistance, the 3rd diode, the 4th diode, three end adjustable shunt reference sources, the first triode, the second triode, the 3rd triode, the first operational amplifier, the second operational amplifier, the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT); The first rectifier bridge is connected secondary and is connected with transformer, an end of the first resistance is connected with the first rectifier bridge by the first inductance, an end of the first electric capacity and described the first resistance be connected the link of the first inductance and be connected the other end ground connection of described the first electric capacity; Second resistance and three resistance eutral grounding of the other end of described the first resistance by being connected in series successively, an end of the second electric capacity is connected with the other end of described the first resistance, and the other end of the second electric capacity is connected with the end that is connected in series of the second resistance and the 3rd resistance; The negative electrode of three end adjustable shunt reference sources is connected to the other end of the first resistance, the plus earth of three end adjustable shunt reference sources, and the reference voltage input terminal of three end adjustable shunt reference sources is connected with the other end of the second electric capacity; One end of the 3rd electric capacity is connected with the other end of the first resistance, the other end ground connection of the 3rd electric capacity; The 4th electric capacity is connected with the 3rd Capacitance parallel connection; The inverting input of the first operational amplifier is connected to the end that is connected in series of the second resistance and the 3rd resistance by the 4th resistance, and the inverting input of the first operational amplifier is the 16 resistance and the 5th resistance eutral grounding by being connected in series successively also; The 5th electric capacity and the 5th resistance are connected in parallel; The end that is connected in series of the 16 resistance and the 5th resistance is connected with the in-phase input end of the second operational amplifier; The in-phase input end of the first operational amplifier be connected the inverting input of operational amplifier and all be connected with an end of the 14 resistance, the other end of the 14 resistance is connected to the negative electrode of the 3rd diode; The output terminal of the first operational amplifier is connected to the base stage of the 3rd triode by the tenth resistance, the grounded emitter of the 3rd triode, and the collector of the 3rd triode is connected to the negative electrode of the 4th diode; The anode of the 4th diode is connected to the negative electrode of the 3rd diode by the 15 resistance; The output terminal of the second operational amplifier is connected to the base stage of the first triode by the 6th resistance, the grounded emitter of the first triode, and the collector of the first triode is connected to the base stage of the second triode by the 8th resistance; One end of the 7th resistance is connected to the base stage of the second triode, and the other end of the 7th resistance is connected to the link of the first inductance and the first resistance; The emitter of the second triode is connected to the link of the first inductance and the first resistance; The collector of the second triode is connected to the anode of the 3rd diode; The negative electrode of the 3rd diode is by the output of the 9th resistance; One end of the 6th electric capacity is connected with the negative electrode of the 3rd diode, and the 7th electric capacity is connected with the 6th Capacitance parallel connection; The first end of the first single-pole double-throw switch (SPDT) be connected the first end of single-pole double-throw switch (SPDT) and all be connected with an end of the 14 resistance, the second end of the first single-pole double-throw switch (SPDT) is by the 11 resistance eutral grounding, the 3rd end of the first single-pole double-throw switch (SPDT) is by the 12 resistance eutral grounding, the second end of the second single-pole double-throw switch (SPDT) is by the 13 resistance eutral grounding, and the 3rd end of the second single-pole double-throw switch (SPDT) is unsettled not to be connect.
Further, described the 9th resistance Wei Opinions-Pictures copper wire.
Further, described control circuit comprises: for generation of the first control circuit of pulse signal and be used for switching normal, overcharge, cross the second control circuit of putting three electrical voltage points and showing in real time test circuit.
Further, described first control circuit comprises: the second counter, the 3rd counter, the 7th counter, the 8th counter, simulant electronic switch, multivibrator and peripheral circuit thereof; Multivibrator comprises 14 pins, the 1st pin is connected with the 3rd pin by the 8th electric capacity, the 2nd pin is connected with the 3rd pin by the 16 resistance, 6th, 14 pins connect power supply, 4th, 5,7,8,9,12 pin ground connection, 11st, 13 unsettledly do not connect, the 10th pin is by the 17 resistance eutral grounding, and the 9th electric capacity and the 17 resistance are connected in parallel; The second counter comprises 16 pins, simulant electronic switch comprises 14 pins, the 3rd counter comprises 16 pins, the 3rd pin of the second counter is unsettled not to be connect, the 14th pin of the second counter is connected with the 10th pin of multivibrator, the 16th pin of the second counter connects power supply, the 8th pin ground connection of the second counter; The 13rd pin of the second counter is connected with the 13rd pin of simulant electronic switch; The 1st pin of simulant electronic switch is by the 18 resistance eutral grounding, and the tenth electric capacity and the 18 resistance are connected in parallel; The 14th pin of simulant electronic switch connects power supply, the 7th pin ground connection of simulant electronic switch; The 8th pin ground connection of the 3rd counter, the 16th pin of the 3rd counter is connected to power supply, the 15th pin of the 3rd counter is connected to the 15th pin of the second counter, the 15th pin of the 3rd counter also is connected to power supply by switch, the 11st, 13 pins of the 3rd counter all are connected to the 5th pin of simulant electronic switch, the anodic bonding of the 8th diode is to power supply, ten one electric capacity and ten nine resistance eutral grounding of the negative electrode of the 8th diode by being connected in series successively; The end that is connected in series of the 11 electric capacity and the 19 resistance also is connected with the 15th pin of the 3rd counter; The 7th counter and the 8th counter include 16 pins, the 3rd pin, 12 pins of the 7th counter and the 8th counter are all unsettled, the 8th pin ground connection, the 16th pin connects power supply, the 11st pin of the 7th counter, 13 pins are connected to the 6th pin of simulant electronic switch, the 14th pin of the 7th counter is connected to the 4th pin and the 10th pin of simulant electronic switch, and the 15th pin of the 7th counter is connected to the 15th pin of the 3rd counter; The 11st pin of the 8th counter, 13 pins are connected to the 12nd pin of simulant electronic switch, and the 14th pin of the 8th counter is connected to the 8th pin of simulant electronic switch, and the 15th pin of the 8th counter is connected to the 15th pin of the 3rd counter.
Further, described second control circuit specifically comprises: darlington transistor array, the first relay, the second relay, the 3rd relay, the 4th relay, the 5th relay, the 6th relay, the 7th relay, the 8th relay, normal resistance, overcharge resistance and overdischarge resistance; Darlington transistor array comprises 18 pins, the 1st pin is connected to the anode of the 9th light emitting diode by the 20 resistance, the 2nd pin is connected to the anode of the tenth light emitting diode by the 21 resistance, the 3rd pin is connected to the anode of the 11 light emitting diode by the 22 resistance, the 4th pin is connected to the anode of the 12 light emitting diode by the 23 resistance, the 5th pin is connected to the anode of the 13 light emitting diode by the 24 resistance, the 6th pin is connected to the anode of the 14 light emitting diode by the 25 resistance, the 7th pin is connected to the anode of the 15 light emitting diode by the 26 resistance, the 8th pin is connected to the anode of the 16 light emitting diode, the negative electrode of the 9th light emitting diode by the 27 resistance, the negative electrode of the tenth light emitting diode, the negative electrode of the 11 light emitting diode, the negative electrode of the 12 light emitting diode, the negative electrode of the 13 light emitting diode, the negative electrode of the 14 light emitting diode, the equal ground connection of negative electrode of the negative electrode of the 15 light emitting diode and the 16 light emitting diode; The 9th pin ground connection of darlington transistor array, the 10th pin of darlington transistor array connects power supply, the 11st pin of darlington transistor array is connected to the 1st pin of the 8th relay, the 12nd pin of darlington transistor array is connected to the 1st pin of the 7th relay, the 13rd pin of darlington transistor array is connected to the 1st pin of the 6th relay, the 14th pin of darlington transistor array is connected to the 1st pin of the 5th relay, the 15th pin of darlington transistor array is connected to the 1st pin of the 4th relay, the 16th pin of darlington transistor array is connected to the 1st pin of the 3rd relay, the 17th pin of darlington transistor array is connected to the 1st pin of the second relay, and the 18th pin of darlington transistor array is connected to the 1st pin of the first relay; The 8th pin of the first relay is by the described resistance eutral grounding that overcharges, the 6th pin of the first relay is connected to the 4th pin of the second relay, the 4th pin of the first relay meets P1, and the 16th pin of the first relay connects power supply, and the 9th, 11,13 pins of the first relay are all unsettled not to be connect; The 6th pin of the second relay is by described normal resistance ground connection, and the 8th pin of the second relay is by described overdischarge resistance ground connection, and the 16th pin of the second relay connects power supply, and the 9th, 11,13 pins of the second relay are all unsettled not to be connect; The 8th pin of the 3rd relay is by the described resistance eutral grounding that overcharges, the 6th pin of the 3rd relay is connected to the 4th pin of the 4th relay, the 4th pin of the 3rd relay meets P2, and the 16th pin of the 3rd relay connects power supply, and the 9th, 11,13 pins of the 3rd relay are all unsettled not to be connect; The 8th pin of the 4th relay is by described overdischarge resistance ground connection, and the 6th pin of the 4th relay is by described normal resistance ground connection, and the 16th pin of the 4th relay connects power supply, and the 9th, 11,13 pins of the 4th relay are all unsettled not to be connect; The 8th pin of the 5th relay is by the described resistance eutral grounding that overcharges, the 6th pin of the 5th relay is connected to the 4th pin of the 6th relay, the 4th pin of the 5th relay meets P3, and the 16th pin of the 5th relay connects power supply, and the 9th, 11,13 pins of the 5th relay are all unsettled not to be connect; The 8th pin of the 6th relay is by described overdischarge resistance ground connection, and the 6th pin of the 6th relay is by described normal resistance ground connection, and the 16th pin of the 5th relay connects power supply, and the 9th, 11,13 pins of the 6th relay are all unsettled not to be connect; The 8th pin of the 7th relay is by the described resistance eutral grounding that overcharges, the 6th pin of the 7th relay is connected to the 4th pin of the 8th relay, the 4th pin of the 7th relay meets P4, and the 16th pin of the 7th relay connects power supply, and the 9th, 11,13 pins of the 7th relay are all unsettled not to be connect; The 8th pin of the 8th relay is by described overdischarge resistance ground connection, and the 6th pin of the 8th relay is by normal resistance ground connection, and the 16th pin of the 8th relay connects power supply, and the 9th, 11,13 pins of the 8th relay are all unsettled not to be connect.
Further, described display circuit comprises: the second rectifier bridge, the second inductance, three terminal regulator, the tenth electric capacity, the 11 electric capacity, the 12 electric capacity, the 30 resistance, the 31 resistance, the 32 resistance, the 33 resistance, the 6th light emitting diode and the 7th light emitting diode; The input end of three terminal regulator is connected with the second rectifier bridge by the second inductance, and also by the tenth capacity earth, the 11 electric capacity is connected with the tenth Capacitance parallel connection the input end of three terminal regulator; The output terminal of three terminal regulator is connected to the discharge negative terminal of battery protecting plate, the output terminal of three terminal regulator is also by the first capacity earth, the 31 resistance and the 30 resistance are connected in series between the output terminal and ground of three terminal regulator successively, and the end that is connected in series of the 31 resistance and the 30 resistance also is connected with the ground end of three terminal regulator; The plus earth of the 6th light emitting diode, the anode of the 6th light emitting diode connect the charging negative terminal of battery protecting plate by the 32 resistance; The plus earth of the 7th light emitting diode, the anode of the 6th light emitting diode is connected to the battery negative terminal of battery protecting plate by the 33 resistance.
In the utility model; this simulated battery circuit has fast, the precision advantages of higher of test speed; with the result of this simulated battery circuit test battery protecting plate and about the same with the result of true battery testing, can replace true battery fully battery protecting plate is tested.Originally need to spend half a day even one day with battery protection circuit of true battery testing, and only need 1～2 minute with battery protection circuit of simulated battery test.Greatly improved efficient.
Description of drawings
Fig. 1 is a kind of modular structure synoptic diagram of simulated battery circuit for the test lithium battery protection circuit that the utility model provides;
Fig. 2 is a kind of physical circuit figure of simulated battery circuit simulated battery main circuit for the test lithium battery protection circuit that the utility model provides;
Fig. 3 is a kind of physical circuit figure of simulated battery circuit first control circuit for the test lithium battery protection circuit that the utility model provides;
Fig. 4 is a kind of physical circuit figure of simulated battery circuit second control circuit for the test lithium battery protection circuit that the utility model provides;
Fig. 5 is a kind of physical circuit figure of simulated battery circuit display circuit for the test lithium battery protection circuit that the utility model provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
In the utility model embodiment; owing in production test procedure, come the test battery holding circuit to bother very much with battery; require a great deal of time, this utility model can replace battery tests battery protection circuit, for production test has improved efficient.
The simulated battery circuit that the utility model embodiment provides is mainly used in the production test of battery protecting plate; Fig. 1 shows the modular structure of this simulated battery circuit, and this simulated battery circuit comprises: simulated battery main circuit 1, the control circuit 2 that is connected with simulated battery main circuit 1 and the display circuit 3 that is connected with simulated battery main circuit 1; Simulated battery main circuit 1 is used for the charge-discharge characteristic of simulation lithium battery; Control circuit 2 is used for realizing automatic test; Display circuit 3 is used for showing test results.
In the utility model embodiment; this simulated battery circuit has fast, the precision advantages of higher of test speed; with the result of this simulated battery circuit test battery protecting plate and about the same with the result of true battery testing, can replace true battery fully battery protecting plate is tested.Originally need to spend half a day even one day with battery protection circuit of true battery testing, and only need 1～2 minute with battery protection circuit of simulated battery test.Greatly improved efficient.
As shown in Figure 2, simulated battery main circuit 1 comprises: transformer T1, the first rectifier bridge D1, the first inductance L 1, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6 and the 7th capacitor C 7, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R 10, the 11 resistance R 11, the 12 resistance R 12, the 13 resistance R 13, the 14 resistance R 14, the 15 resistance R 15, the 16 resistance R 16, the 3rd diode D3, the 4th diode D4, three end adjustable shunt reference source D2, the first triode Q1, the second triode Q2, the 3rd triode Q3, the first operational amplifier N1, the second operational amplifier N2, the first single-pole double-throw switch (SPDT) S1 and the second single-pole double-throw switch (SPDT) S2; The first rectifier bridge D1 is connected secondary and is connected with transformer T1, one end of the first resistance R 1 is connected with the first rectifier bridge D1 by the first inductance L 1, one end of the first capacitor C 1 and described the first resistance R 1 be connected the link of the first inductance L 1 and be connected the other end ground connection of described the first capacitor C 1; Second resistance R 2 and three resistance R 3 ground connection of the other end of described the first resistance R 1 by being connected in series successively, one end of the second capacitor C 2 is connected with the other end of described the first resistance R 1, and the other end of the second capacitor C 2 is connected with the end that is connected in series of the second resistance R 2 and the 3rd resistance R 3; The negative electrode of three end adjustable shunt reference source D2 is connected to the other end of the first resistance R 1, the plus earth of three end adjustable shunt reference source D2, and the reference voltage input terminal of three end adjustable shunt reference source D2 is connected with the other end of the second capacitor C 2; One end of the 3rd capacitor C 3 is connected with the other end of the first resistance R 1, the other end ground connection of the 3rd capacitor C 3; The 4th capacitor C 4 and the 3rd capacitor C 3 are connected in parallel; The inverting input of the first operational amplifier N1 is connected to the end that is connected in series of the second resistance R 2 and the 3rd resistance R 3 by the 4th resistance R 4, and the inverting input of the first operational amplifier N1 is the 16 resistance R 16 and the 5th resistance R 5 ground connection by being connected in series successively also; The 5th capacitor C 5 and the 5th resistance R 5 are connected in parallel; The end that is connected in series of the 16 resistance R 16 and the 5th resistance R 5 is connected with the in-phase input end of the second operational amplifier N2; The in-phase input end of the first operational amplifier N1 be connected the inverting input of operational amplifier N2 and all be connected with an end of the 14 resistance R 14, the other end of the 14 resistance R 14 is connected to the negative electrode of the 3rd diode D3; The output terminal of the first operational amplifier N1 is connected to the base stage of the 3rd triode Q3 by the tenth resistance R 10, the grounded emitter of the 3rd triode Q3, and the collector of the 3rd triode Q3 is connected to the negative electrode of the 4th diode D4; The anode of the 4th diode D4 is connected to the negative electrode of the 3rd diode D3 by the 15 resistance R 15; The output terminal of the second operational amplifier N2 is connected to the base stage of the first triode Q1 by the 6th resistance R 6, the grounded emitter of the first triode Q1, and the collector of the first triode Q1 is connected to the base stage of the second triode Q2 by the 8th resistance R 8; One end of the 7th resistance R 7 is connected to the base stage of the second triode Q2, and the other end of the 7th resistance R 7 is connected to the link of the first inductance L 1 and the first resistance R 1; The emitter of the second triode Q2 is connected to the link of the first inductance L 1 and the first resistance R 1; The collector of the second triode Q2 is connected to the anode of the 3rd diode D3; The negative electrode of the 3rd diode D3 is by 9 outputs of the 9th resistance R; One end of the 6th capacitor C 6 is connected with the negative electrode of the 3rd diode D3, and the 7th capacitor C 7 and the 6th capacitor C 6 are connected in parallel; The first end of the first single-pole double-throw switch (SPDT) S1 be connected the first end of single-pole double-throw switch (SPDT) S2 and all be connected with an end of the 14 resistance R 14, the second end of the first single-pole double-throw switch (SPDT) S1 is by the 11 resistance R 11 ground connection, the 3rd end of the first single-pole double-throw switch (SPDT) S1 is by the 12 resistance R 12 ground connection, the second end of the second single-pole double-throw switch (SPDT) S2 is by the 13 resistance R 13 ground connection, and the 3rd end of the second single-pole double-throw switch (SPDT) S2 is unsettled not to be connect.Wherein, the 9th resistance R 9 can be constantan wire.
For the simulated battery main circuit 1 that illustrates that further the utility model embodiment provides, the principle of work that simulated battery main circuit 1 now is described in detail in detail is as follows:
The 220V civil power is after transformer T1 step-down, obtain the unstable alternating voltage about 12V, this voltage output dc voltage behind rectifying and wave-filtering, the first operational amplifier N1, the second operational amplifier N2, R1-R5, R16, C2 consist of mu balanced circuit, it is output as stable 5V power supply, this power supply offers operational amplifier the first operational amplifier N1 and the second operational amplifier N2, as the power supply use of the first operational amplifier N1 and the second operational amplifier N2.The reference voltage input terminal of three end adjustable shunt reference source D2 is constant 2.5V, offers the first operational amplifier N1 usefulness of making comparisons as reference voltage after dividing potential drop.The output voltage of circuit feeds back to the first operational amplifier N1 and the second operational amplifier N2 behind R14 and R11, R12, R13 electric resistance partial pressure, thereby controls the conducting state of the first triode Q1 and the 3rd triode Q3, the value that output voltage stabilization is being set.Can set the overcharged voltage that drives the battery protecting circuit action, overdischarge pressure and normal working voltage by regulating the 11 resistance R 11, the 12 resistance R 12 and the 13 resistance R 13.Can between three output voltages, switch by the first single-pole double-throw switch (SPDT) S1 and the second single-pole double-throw switch (SPDT) S2.E+ and E-represent positive pole and the negative pole of battery.This circuit transformer isolation can easily be simulated the series connection of multistage battery, only needs the E-on upper one tunnel E+ and next road linked to each other to get final product.Accomplish that every one-level is independent of each other.Can obtain according to actual needs the electric battery of different ways.
As shown in Figure 3, first control circuit comprises: the second counter U2, the 3rd counter U3, the 7th counter U7, the 8th counter U8, simulant electronic switch U4, multivibrator U5 and peripheral circuit thereof; Multivibrator U5 comprises 14 pins, the 1st pin is connected with the 3rd pin by the 8th capacitor C 8, the 2nd pin is connected with the 3rd pin by the 16 resistance R 16,6th, 14 pins meet power supply VCC, 4th, 5,7,8,9,12 pin ground connection, 11st, 13 unsettledly do not connect, the 10th pin is by the 17 resistance R 17 ground connection, and the 9th capacitor C 9 and the 17 resistance R 17 are connected in parallel; The second counter U2 comprises 16 pins, simulant electronic switch U4 comprises 14 pins, the 3rd counter U3 comprises 16 pins, the 3rd pin of the second counter U2 is unsettled not to be connect, the 14th pin of the second counter U2 is connected with the 10th pin of multivibrator U5, the 16th pin of the second counter U2 meets power supply VCC, the 8th pin ground connection of the second counter U2; The 13rd pin of the second counter U2 is connected with the 13rd pin of simulant electronic switch U4; The 1st pin of simulant electronic switch U4 is by the 18 resistance R 18 ground connection, and the tenth capacitor C 10 and the 18 resistance R 18 are connected in parallel; 14 pins of simulant electronic switch U4 connect power supply VCC, the 7th pin ground connection of simulant electronic switch U4; The 8th pin ground connection of the 3rd counter U3, the 16th pin of the 3rd counter U3 is connected to power supply VCC, the 15th pin of the 3rd counter U3 is connected to the 15th pin of the second counter U2, the 15th pin of the 3rd counter U3 also is connected to power supply VCC by switch S, the 11st, 13 pins of the 3rd counter U3 all are connected to the 5th pin of simulant electronic switch U4, the anodic bonding of the 8th diode D8 is to power supply VCC, ten one capacitor C 11 and ten nine resistance R 19 ground connection of the negative electrode of the 8th diode D8 by being connected in series successively; The end that is connected in series of the 11 capacitor C 11 and the 19 resistance R 19 also is connected with the 15th pin of the 3rd counter U3; The 7th counter U7 and the 8th counter U8 include 16 pins, the 3rd pin, 12 pins of the 7th counter U7 and the 8th counter U8 are all unsettled, the 8th pin ground connection, the 16th pin meets power supply VCC, the 11st pin of the 7th counter U7,13 pins are connected to the 6th pin of simulant electronic switch U4, the 14th pin of the 7th counter U7 is connected to the 4th pin and the 10th pin of simulant electronic switch U4, and the 15th pin of the 7th counter U7 is connected to the 15th pin of the 3rd counter U3; The 11st pin of the 8th counter U8,13 pins are connected to the 12nd pin of simulant electronic switch U4, and the 14th pin of the 8th counter U8 is connected to the 8th pin of simulant electronic switch U4, and the 15th pin of the 8th counter U8 is connected to the 15th pin of the 3rd counter U3.
For the first control circuit that illustrates that further the utility model embodiment provides, it is as follows that its principle of work now is described in detail in detail:
C8 and R16 have set the oscillation frequency of multivibrator, the clock frequency that can regulate counting by regulating R16.After switch S was pressed, all counter O reset ends all were set to height, so all counters all reset, each output terminal is output as low.After switch was upspring, 11 pin of the second counter U2 were output as low, and like this, 13 pin are input as low, and the second counter U2 is in count status.13 pin of while simulant electronic switch U4 are output as low, multivibrator U5 starting oscillation, and the 10 pin clock signals of U5, this clock signal is delivered to the second counter U2, and this moment, the second counter U2 began counting.Be output as high the time when counting down to 11 pin, at this moment 13 pin of the second counter U2 input also is high, so the second counter U2 will forbid counting, keep current state, the 11 pin output of the second counter U2 is always high, so 13 pin of simulant electronic switch U4 are input as height, 1 pin and 2 pin are open-minded, and 14 pin of this hour counter the 3rd counter U3 are added into clock signal and begin counting.When counting down to 11 pin, the 3rd counter U3 is output as high the time, at this moment 13 pin of the 3rd counter U3 are input as height, so the 3rd counter U3 forbids counting, keep current state, the output of 11 pin is always high, so 5 pin of simulant electronic switch U4 are input as height, 3 pin and 4 pin are open-minded, and 14 pin of this hour counter the 7th counter U7 are added into clock signal and begin counting.When counting down to 11 pin, the 7th counter U7 is output as high the time, at this moment 13 pin of the 7th counter U7 are input as height, so the 7th counter U7 forbids counting, keep current state, the output of 11 pin is always high, so 6 pin of simulant electronic switch U4 are input as height, 8 pin and 9 pin are open-minded, and 14 pin of this hour counter the 8th counter U8 are added into clock signal and begin counting.Such the second counter U2, the 3rd counter U3, the 7th counter U7, the 8th counter U8 can control 32 relay work, if control more relay, 11 pin of next road counter can be received on upper one road simulant electronic switch, be used for opening clock signal to next road counter, subsequent so successively, can take over any a plurality of relays of meaning multi-disc counter controls.
As shown in Figure 4, second control circuit mainly is to switch normally, overcharge, cross and put three electrical voltage points, also can show it is which is in test at present simultaneously.Described second control circuit specifically comprises: darlington transistor array U1, the first relay J 1, the second relay J 2, the 3rd relay J 3, the 4th relay J 4, the 5th relay J 5, the 6th relay J 6, the 7th relay J 7, the 8th relay J 8, normal resistance, overcharge resistance and overdischarge resistance;
Darlington transistor array U1 comprises 18 pins, the 1st pin is connected to the anode of the 9th light emitting diode D9 by the 20 resistance R 20, the 2nd pin is connected to the anode of the tenth light emitting diode D10 by the 21 resistance R 21, the 3rd pin is connected to the anode of the 11 light emitting diode D11 by the 22 resistance R 22, the 4th pin is connected to the anode of the 12 light emitting diode D12 by the 23 resistance R 23, the 5th pin is connected to the anode of the 13 light emitting diode D13 by the 24 resistance R 24, the 6th pin is connected to the anode of the 14 light emitting diode D14 by the 25 resistance R 25, the 7th pin is connected to the anode of the 15 light emitting diode D15 by the 26 resistance R 26, the 8th pin is connected to the anode of the 16 light emitting diode D16, the negative electrode of the 9th light emitting diode D9 by the 27 resistance R 27, the negative electrode of the tenth light emitting diode D10, the negative electrode of the 11 light emitting diode D11, the negative electrode of the 12 light emitting diode D12, the negative electrode of the 13 light emitting diode D13, the negative electrode of the 14 light emitting diode D14, the equal ground connection of negative electrode of the negative electrode of the 15 light emitting diode D15 and the 16 light emitting diode D16; The 9th pin ground connection of darlington transistor array U1, the 10th pin of darlington transistor array U1 meets power supply VCC, the 11st pin of darlington transistor array U1 is connected to the 1st pin of the 8th relay J 8, the 12nd pin of darlington transistor array U1 is connected to the 1st pin of the 7th relay J 7, the 13rd pin of darlington transistor array U1 is connected to the 1st pin of the 6th relay J 6, the 14th pin of darlington transistor array U1 is connected to the 1st pin of the 5th relay J 5, the 15th pin of darlington transistor array U1 is connected to the 1st pin of the 4th relay J 4, the 16th pin of darlington transistor array U1 is connected to the 1st pin of the 3rd relay J 3, the 17th pin of darlington transistor array U1 is connected to the 1st pin of the second relay J 2, and the 18th pin of darlington transistor array U1 is connected to the 1st pin of the first relay J 1;
The 8th pin of the first relay J 1 is by the described resistance eutral grounding that overcharges, the 6th pin of the first relay J 1 is connected to the 4th pin of the second relay J 2, the 4th pin of the first relay J 1 meets P1, the 16th pin of the first relay J 1 meets power supply VCC, and the 9th, 11,13 pins of the first relay J 1 are all unsettled not to be connect; The 6th pin of the second relay J 2 is by described normal resistance ground connection, and the 8th pin of the second relay J 2 is by described overdischarge resistance ground connection, and the 16th pin of the second relay J 2 meets power supply VCC, and the 9th, 11,13 pins of the second relay J 2 are all unsettled not to be connect; The 8th pin of the 3rd relay J 3 is by the described resistance eutral grounding that overcharges, the 6th pin of the 3rd relay J 3 is connected to the 4th pin of the 4th relay J 4, the 4th pin of the 3rd relay J 3 meets P2, the 16th pin of the 3rd relay J 3 meets power supply VCC, and the 9th, 11,13 pins of the 3rd relay J 3 are all unsettled not to be connect; The 8th pin of the 4th relay J 4 is by described overdischarge resistance ground connection, and the 6th pin of the 4th relay J 4 is by described normal resistance ground connection, and the 16th pin of the 4th relay J 4 meets power supply VCC, and the 9th, 11,13 pins of the 4th relay J 4 are all unsettled not to be connect; The 8th pin of the 5th relay J 5 is by the described resistance eutral grounding that overcharges, the 6th pin of the 5th relay J 5 is connected to the 4th pin of the 6th relay J 6, the 4th pin of the 5th relay J 5 meets P3, the 16th pin of the 5th relay J 5 meets power supply VCC, and the 9th, 11,13 pins of the 5th relay J 5 are all unsettled not to be connect; The 8th pin of the 6th relay J 6 is by described overdischarge resistance ground connection, and the 6th pin of the 6th relay J 6 is by described normal resistance ground connection, and the 16th pin of the 5th relay J 5 meets power supply VCC, and the 9th, 11,13 pins of the 6th relay J 6 are all unsettled not to be connect; The 8th pin of the 7th relay J 7 is by the described resistance eutral grounding that overcharges, the 6th pin of the 7th relay J 7 is connected to the 4th pin of the 8th relay J 8, the 4th pin of the 7th relay J 7 meets P4, the 16th pin of the 7th relay J 7 meets power supply VCC, and the 9th, 11,13 pins of the 7th relay J 7 are all unsettled not to be connect; The 8th pin of the 8th relay J 8 is by described overdischarge resistance ground connection, and the 6th pin of the 8th relay J 8 is by normal resistance ground connection, and the 16th pin of the 8th relay J 8 meets power supply VCC, and the 9th, 11,13 pins of the 8th relay J 8 are all unsettled not to be connect.P1, P2, P3, P4 corresponding moved end of receiving single-pole double-throw switch (SPDT) in each road simulated battery main circuit respectively among this figure.
For the second control circuit that illustrates that further the utility model embodiment provides, it is as follows that its principle of work now is described in detail in detail:
J1～J8 is relay, drive relay work by darlington transistor array U1, P1～P4 is connected on respectively the position of each road simulated battery main circuit single-pole double-throw switch (SPDT), this circuit relay electrical equipment is exactly the single-pole double-throw switch (SPDT) in the simulated battery main circuit, and 1 pin of Darlington transistor U1～8 pin are received respectively the output terminal of first control circuit Counter simultaneously.The single-pole double-throw switch (SPDT) of each road simulated battery main circuit connection label is the resistance of " normally " under normal circumstances, light simultaneously all light emitting diodes, the actuating of relay when first trigger pip arrives, this moment, first via simulated battery main circuit single-pole double-throw switch (SPDT) was connected the resistance that label is " overcharging ", first via simulated battery main circuit single-pole double-throw switch (SPDT) is connected the resistance that label is " cross and put " when second trigger pip arrives, such darlington transistor array U1 can drive 8 relay work, and 8 relays can switch 4 road simulated battery circuit workings.If needing more string simulated battery circuit workings only need to be copied this circuit accesses in order main circuit and both can.
As shown in Figure 5, described display circuit comprises: the second rectifier bridge D5, the second inductance L 2, three terminal regulator U6, the tenth capacitor C 10, the 11 capacitor C 11, the 12 capacitor C 12, the 30 resistance R 30, the 31 resistance R 31, the 32 resistance R 32, the 33 resistance R 33, the 6th light emitting diode D6 and the 7th light emitting diode D7;
The input end Vin of three terminal regulator U6 is connected with the second rectifier bridge D5 by the second inductance L 2, and the input end Vin end of three terminal regulator U6 is also by the tenth capacitor C 10 ground connection, and the 11 capacitor C 11 and the tenth capacitor C 10 are connected in parallel;
The output end vo ut of three terminal regulator U6 is connected to the discharge negative terminal D-of battery protecting plate, the output end vo ut of three terminal regulator U6 is also by the first capacitor C 12 ground connection, the 31 resistance R 31 and the 30 resistance R 30 are connected in series between the output end vo ut and ground of three terminal regulator U6 successively, and the end that is connected in series of the 31 resistance R 31 and the 30 resistance R 30 also is connected with the ground end GND of three terminal regulator U6; The plus earth of the 6th light emitting diode D6, the anode of the 6th light emitting diode D6 connect the charging negative terminal C-of battery protecting plate by the 32 resistance R 32; The plus earth of the 7th light emitting diode D7, the anode of the 6th light emitting diode D6 are connected to the battery negative terminal B-of battery protecting plate by the 33 resistance R 33.
For the display circuit 3 that illustrates that further the utility model embodiment provides, it is as follows that its principle of work now is described in detail in detail:
12V is input to three terminal regulator U6 behind rectifying and wave-filtering, by the voltage of three terminal regulator U6 stable output.B-, C-, D-be corresponding three lines receiving the battery negative terminal above the battery protecting plate, the negative terminal that charges, discharge negative terminal respectively.If the battery protecting plate function is normal, when receiving different voltage signals, will have different reactions, control discharging and recharging battery by the power MOSFET of opening or turn-offing on the battery protecting plate.When normal operating conditions, two light emitting diodes all can be lighted like this, and when being in over-charge protective or Cross prevention, corresponding light emitting diode will knock out.So just interpretation goes out test result easily.
In the utility model embodiment; this simulated battery circuit has fast, the precision advantages of higher of test speed; with the result of this simulated battery circuit test battery protecting plate and about the same with the result of true battery testing, can replace true battery fully battery protecting plate is tested.Originally need to spend half a day even one day with battery protection circuit of true battery testing, and only need 1～2 minute with battery protection circuit of simulated battery test.Greatly improved efficient.
Those skilled in the art will readily understand; the above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. simulated battery circuit that is used for the test lithium battery protection circuit is characterized in that described simulated battery circuit comprises:
The simulated battery main circuit that is used for the charge-discharge characteristic of simulation lithium battery;
Be connected, be used for realizing the control circuit of automatic test with described simulated battery main circuit; And
Be connected with described simulated battery main circuit, be used for the display circuit show test results.
2. simulated battery circuit as claimed in claim 1, it is characterized in that, described simulated battery main circuit comprises transformer, the first rectifier bridge, the first inductance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity and the 7th electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 15 resistance, the 16 resistance, the 3rd diode, the 4th diode, three end adjustable shunt reference sources, the first triode, the second triode, the 3rd triode, the first operational amplifier, the second operational amplifier, the first single-pole double-throw switch (SPDT) and the second single-pole double-throw switch (SPDT);
The first rectifier bridge is connected secondary and is connected with transformer, an end of the first resistance is connected with the first rectifier bridge by the first inductance, an end of the first electric capacity and described the first resistance be connected the link of the first inductance and be connected the other end ground connection of described the first electric capacity; Second resistance and three resistance eutral grounding of the other end of described the first resistance by being connected in series successively, an end of the second electric capacity is connected with the other end of described the first resistance, and the other end of the second electric capacity is connected with the end that is connected in series of the second resistance and the 3rd resistance;
The negative electrode of three end adjustable shunt reference sources is connected to the other end of the first resistance, the plus earth of three end adjustable shunt reference sources, and the reference voltage input terminal of three end adjustable shunt reference sources is connected with the other end of the second electric capacity;
One end of the 3rd electric capacity is connected with the other end of the first resistance, the other end ground connection of the 3rd electric capacity; The 4th electric capacity is connected with the 3rd Capacitance parallel connection;
The inverting input of the first operational amplifier is connected to the end that is connected in series of the second resistance and the 3rd resistance by the 4th resistance, and the inverting input of the first operational amplifier is the 16 resistance and the 5th resistance eutral grounding by being connected in series successively also; The 5th electric capacity and the 5th resistance are connected in parallel; The end that is connected in series of the 16 resistance and the 5th resistance is connected with the in-phase input end of the second operational amplifier; The in-phase input end of the first operational amplifier be connected the inverting input of operational amplifier and all be connected with an end of the 14 resistance, the other end of the 14 resistance is connected to the negative electrode of the 3rd diode; The output terminal of the first operational amplifier is connected to the base stage of the 3rd triode by the tenth resistance, the grounded emitter of the 3rd triode, and the collector of the 3rd triode is connected to the negative electrode of the 4th diode; The anode of the 4th diode is connected to the negative electrode of the 3rd diode by the 15 resistance; The output terminal of the second operational amplifier is connected to the base stage of the first triode by the 6th resistance, the grounded emitter of the first triode, and the collector of the first triode is connected to the base stage of the second triode by the 8th resistance; One end of the 7th resistance is connected to the base stage of the second triode, and the other end of the 7th resistance is connected to the link of the first inductance and the first resistance; The emitter of the second triode is connected to the link of the first inductance and the first resistance; The collector of the second triode is connected to the anode of the 3rd diode; The negative electrode of the 3rd diode is by the output of the 9th resistance; One end of the 6th electric capacity is connected with the negative electrode of the 3rd diode, and the 7th electric capacity is connected with the 6th Capacitance parallel connection;
The first end of the first single-pole double-throw switch (SPDT) be connected the first end of single-pole double-throw switch (SPDT) and all be connected with an end of the 14 resistance, the second end of the first single-pole double-throw switch (SPDT) is by the 11 resistance eutral grounding, the 3rd end of the first single-pole double-throw switch (SPDT) is by the 12 resistance eutral grounding, the second end of the second single-pole double-throw switch (SPDT) is by the 13 resistance eutral grounding, and the 3rd end of the second single-pole double-throw switch (SPDT) is unsettled not to be connect.
3. simulated battery circuit as claimed in claim 2 is characterized in that, described the 9th resistance Wei Opinions-Pictures copper wire.
4. simulated battery circuit as claimed in claim 1, it is characterized in that, described control circuit comprise for generation of the first control circuit of pulse signal and be used for to switch normal, overcharge, cross the second control circuit of putting three electrical voltage points and showing in real time test circuit.
5. simulated battery circuit as claimed in claim 4 is characterized in that, described first control circuit comprises the second counter, the 3rd counter, the 7th counter, the 8th counter, simulant electronic switch, multivibrator and peripheral circuit thereof;
Multivibrator comprises 14 pins, the 1st pin is connected with the 3rd pin by the 8th electric capacity, the 2nd pin is connected with the 3rd pin by the 16 resistance, 6th, 14 pins connect power supply, 4th, 5,7,8,9,12 pin ground connection, 11st, 13 unsettledly do not connect, the 10th pin is by the 17 resistance eutral grounding, and the 9th electric capacity and the 17 resistance are connected in parallel;
The second counter comprises 16 pins, simulant electronic switch comprises 14 pins, the 3rd counter comprises 16 pins, the 3rd pin of the second counter is unsettled not to be connect, the 14th pin of the second counter is connected with the 10th pin of multivibrator, the 16th pin of the second counter connects power supply, the 8th pin ground connection of the second counter; The 13rd pin of the second counter is connected with the 13rd pin of simulant electronic switch; The 1st pin of simulant electronic switch is by the 18 resistance eutral grounding, and the tenth electric capacity and the 18 resistance are connected in parallel; The 14th pin of simulant electronic switch connects power supply, the 7th pin ground connection of simulant electronic switch; The 8th pin ground connection of the 3rd counter, the 16th pin of the 3rd counter is connected to power supply, the 15th pin of the 3rd counter is connected to the 15th pin of the second counter, the 15th pin of the 3rd counter also is connected to power supply by switch, the 11st, 13 pins of the 3rd counter all are connected to the 5th pin of simulant electronic switch, the anodic bonding of the 8th diode is to power supply, ten one electric capacity and ten nine resistance eutral grounding of the negative electrode of the 8th diode by being connected in series successively; The end that is connected in series of the 11 electric capacity and the 19 resistance also is connected with the 15th pin of the 3rd counter;
The 7th counter and the 8th counter include 16 pins, the 3rd pin, 12 pins of the 7th counter and the 8th counter are all unsettled, the 8th pin ground connection, the 16th pin connects power supply, the 11st pin of the 7th counter, 13 pins are connected to the 6th pin of simulant electronic switch, the 14th pin of the 7th counter is connected to the 4th pin and the 10th pin of simulant electronic switch, and the 15th pin of the 7th counter is connected to the 15th pin of the 3rd counter; The 11st pin of the 8th counter, 13 pins are connected to the 12nd pin of simulant electronic switch, and the 14th pin of the 8th counter is connected to the 8th pin of simulant electronic switch, and the 15th pin of the 8th counter is connected to the 15th pin of the 3rd counter.
6. simulated battery circuit as claimed in claim 4, it is characterized in that described second control circuit specifically comprises darlington transistor array, the first relay, the second relay, the 3rd relay, the 4th relay, the 5th relay, the 6th relay, the 7th relay, the 8th relay, normal resistance, overcharges resistance and overdischarge resistance;
Darlington transistor array comprises 18 pins, the 1st pin is connected to the anode of the 9th light emitting diode by the 20 resistance, the 2nd pin is connected to the anode of the tenth light emitting diode by the 21 resistance, the 3rd pin is connected to the anode of the 11 light emitting diode by the 22 resistance, the 4th pin is connected to the anode of the 12 light emitting diode by the 23 resistance, the 5th pin is connected to the anode of the 13 light emitting diode by the 24 resistance, the 6th pin is connected to the anode of the 14 light emitting diode by the 25 resistance, the 7th pin is connected to the anode of the 15 light emitting diode by the 26 resistance, the 8th pin is connected to the anode of the 16 light emitting diode, the negative electrode of the 9th light emitting diode by the 27 resistance, the negative electrode of the tenth light emitting diode, the negative electrode of the 11 light emitting diode, the negative electrode of the 12 light emitting diode, the negative electrode of the 13 light emitting diode, the negative electrode of the 14 light emitting diode, the equal ground connection of negative electrode of the negative electrode of the 15 light emitting diode and the 16 light emitting diode;
The 9th pin ground connection of darlington transistor array, the 10th pin of darlington transistor array connects power supply, the 11st pin of darlington transistor array is connected to the 1st pin of the 8th relay, the 12nd pin of darlington transistor array is connected to the 1st pin of the 7th relay, the 13rd pin of darlington transistor array is connected to the 1st pin of the 6th relay, the 14th pin of darlington transistor array is connected to the 1st pin of the 5th relay, the 15th pin of darlington transistor array is connected to the 1st pin of the 4th relay, the 16th pin of darlington transistor array is connected to the 1st pin of the 3rd relay, the 17th pin of darlington transistor array is connected to the 1st pin of the second relay, and the 18th pin of darlington transistor array is connected to the 1st pin of the first relay;
The 8th pin of the first relay is by the described resistance eutral grounding that overcharges, the 6th pin of the first relay is connected to the 4th pin of the second relay, the 4th pin of the first relay meets P1, and the 16th pin of the first relay connects power supply, and the 9th, 11,13 pins of the first relay are all unsettled not to be connect; The 6th pin of the second relay is by described normal resistance ground connection, and the 8th pin of the second relay is by described overdischarge resistance ground connection, and the 16th pin of the second relay meets power supply VCC, and the 9th, 11,13 pins of the second relay are all unsettled not to be connect; The 8th pin of the 3rd relay is by the described resistance eutral grounding that overcharges, the 6th pin of the 3rd relay is connected to the 4th pin of the 4th relay, the 4th pin of the 3rd relay meets P2, and the 16th pin of the 3rd relay connects power supply, and the 9th, 11,13 pins of the 3rd relay are all unsettled not to be connect; The 8th pin of the 4th relay is by described overdischarge resistance ground connection, and the 6th pin of the 4th relay is by described normal resistance ground connection, and the 16th pin of the 4th relay connects power supply, and the 9th, 11,13 pins of the 4th relay are all unsettled not to be connect; The 8th pin of the 5th relay is by the described resistance eutral grounding that overcharges, the 6th pin of the 5th relay is connected to the 4th pin of the 6th relay, the 4th pin of the 5th relay meets P3, and the 16th pin of the 5th relay connects power supply, and the 9th, 11,13 pins of the 5th relay are all unsettled not to be connect; The 8th pin of the 6th relay is by described overdischarge resistance ground connection, and the 6th pin of the 6th relay is by described normal resistance ground connection, and the 16th pin of the 5th relay connects power supply, and the 9th, 11,13 pins of the 6th relay are all unsettled not to be connect; The 8th pin of the 7th relay is by the described resistance eutral grounding that overcharges, the 6th pin of the 7th relay is connected to the 4th pin of the 8th relay, the 4th pin of the 7th relay meets P4, and the 16th pin of the 7th relay connects power supply, and the 9th, 11,13 pins of the 7th relay are all unsettled not to be connect; The 8th pin of the 8th relay is by described overdischarge resistance ground connection, and the 6th pin of the 8th relay is by normal resistance ground connection, and the 16th pin of the 8th relay connects power supply, and the 9th, 11,13 pins of the 8th relay are all unsettled not to be connect.
7. simulated battery circuit as claimed in claim 1, it is characterized in that, described display circuit comprises the second rectifier bridge, the second inductance, three terminal regulator, the tenth electric capacity, the 11 electric capacity, the 12 electric capacity, the 30 resistance, the 31 resistance, the 32 resistance, the 33 resistance, the 6th light emitting diode and the 7th light emitting diode;
The input end of three terminal regulator is connected with the second rectifier bridge by the second inductance, and also by the tenth capacity earth, the 11 electric capacity is connected with the tenth Capacitance parallel connection the input end of three terminal regulator;
The output terminal of three terminal regulator is connected to the discharge negative terminal of battery protecting plate, the output terminal of three terminal regulator is also by the first capacity earth, the 31 resistance and the 30 resistance are connected in series between the output terminal and ground of three terminal regulator successively, and the end that is connected in series of the 31 resistance and the 30 resistance also is connected with the ground end of three terminal regulator; The plus earth of the 6th light emitting diode, the anode of the 6th light emitting diode connect the charging negative terminal of battery protecting plate by the 32 resistance; The plus earth of the 7th light emitting diode, the anode of the 6th light emitting diode is connected to the battery negative terminal of battery protecting plate by the 33 resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571824 CN202870133U (en) | 2012-10-31 | 2012-10-31 | Simulation battery circuit for testing lithium battery protection circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571824 CN202870133U (en) | 2012-10-31 | 2012-10-31 | Simulation battery circuit for testing lithium battery protection circuit |
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| CN202870133U true CN202870133U (en) | 2013-04-10 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928635A (en) * | 2012-10-31 | 2013-02-13 | 深圳市振华微电子有限公司 | Simulation battery circuit for testing protection circuit of lithium battery |
| CN103825327A (en) * | 2014-02-25 | 2014-05-28 | 天津市畅和科技有限公司 | Trigger pulse output circuit for charger |
| CN106645833A (en) * | 2015-11-04 | 2017-05-10 | 江苏嘉钰新能源技术有限公司 | Battery voltage simulator used for debugging battery management system |
| CN109828205A (en) * | 2019-03-15 | 2019-05-31 | 湖南工业大学 | A kind of given method of the output voltage of power battery simulation system |
| 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 |
-
2012
- 2012-10-31 CN CN 201220571824 patent/CN202870133U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928635A (en) * | 2012-10-31 | 2013-02-13 | 深圳市振华微电子有限公司 | Simulation battery circuit for testing protection circuit of lithium battery |
| CN102928635B (en) * | 2012-10-31 | 2015-12-09 | 深圳市振华微电子有限公司 | A kind of simulated battery circuit for testing lithium battery protection circuit |
| CN103825327A (en) * | 2014-02-25 | 2014-05-28 | 天津市畅和科技有限公司 | Trigger pulse output circuit for charger |
| CN103825327B (en) * | 2014-02-25 | 2015-12-16 | 天津市畅和科技有限公司 | A kind of trigger impulse output circuit for charger |
| CN106645833A (en) * | 2015-11-04 | 2017-05-10 | 江苏嘉钰新能源技术有限公司 | Battery voltage simulator used for debugging battery management system |
| CN109828205A (en) * | 2019-03-15 | 2019-05-31 | 湖南工业大学 | A kind of given method of the output voltage of power battery simulation system |
| 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 |
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