CN215728686U - Novel simulation battery system - Google Patents
Novel simulation battery system Download PDFInfo
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- CN215728686U CN215728686U CN202121903185.9U CN202121903185U CN215728686U CN 215728686 U CN215728686 U CN 215728686U CN 202121903185 U CN202121903185 U CN 202121903185U CN 215728686 U CN215728686 U CN 215728686U
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Abstract
The utility model belongs to the technical field of battery management systems, and particularly relates to a novel analog battery system.A high-voltage alternating current is reduced by a voltage transformation module, a low-voltage alternating current is converted into a direct current by a rectifying circuit, and is then reduced and stabilized by a DC-DC power supply module and then output to a test end by a discharge circuit, meanwhile, a comparison control circuit is arranged on the discharge circuit, and the charge and discharge test of an analog battery is realized by detecting and comparing the voltages of an electric output end of the DC-DC power supply module and an output end of the discharge circuit and connecting or cutting off a charge circuit according to a comparison result; the simulation battery is adopted to replace a real battery to carry out charge and discharge test and aging test, so that the cost is reduced, the environment is protected, the test time can be effectively reduced, a repetitive test result is provided, a safe test environment is created, the preparation time can be reduced, and the factors such as errors of operators, deviation of the result and the like are avoided.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of battery management systems, and particularly relates to a novel simulation battery system.
[ background of the utility model ]
At present, with the continuous development of novel energy, a BMS system is rapidly developed together, BMU slave control needs to be tested and aged in the production process, real batteries are used for charging and discharging test or aging when the BMU slave control is tested and aged, but because the voltage of the batteries is uncontrollable, the external discharging or self-discharging parameters are inconsistent in the external power supply process of the real battery pack, the voltage of each battery is inconsistent due to long-term use, so that the electric quantity of each battery is unbalanced, and because the real battery pack needs to be charged, the service condition of each battery pack and the reason of the battery pack are different, so that the charging is unbalanced more easily, and the batteries are easy to damage; meanwhile, the use of real batteries increases a great cost input; and the real battery is placed in a high-temperature aging room to be aged together with the BMU slave control module, so that the risks of battery explosion and the like can be caused.
[ Utility model ] content
The present invention proposes a new analog battery system aimed at solving the problems indicated in the background art.
The utility model is realized by the following technical scheme:
the utility model provides a novel simulation battery system, includes vary voltage module and a plurality of simulation battery module, simulation battery module includes rectifier circuit, DC-DC power module, comparison control circuit, connects in the discharge circuit of the electric output of DC-DC power module and the charging line of earthing terminal and the test end of being connected with discharge circuit and charging line, comparison control circuit is used for detecting and comparing the voltage of the electric output of DC-DC power module and the output of discharge circuit to according to the result of comparison intercommunication or cut the charging line.
The novel analog battery system comprises a comparison control circuit, a first voltage sampling circuit, a second voltage sampling circuit, a voltage comparator and a switch circuit, wherein the comparison control circuit comprises a first voltage sampling circuit, a second voltage sampling circuit, a voltage comparator and a switch circuit; the input end of the first voltage sampling circuit is connected with the electrical output end of the DC-DC power supply module, the output end of the first voltage sampling circuit is connected with the negative phase end of the voltage comparator, the input end of the second voltage sampling circuit is connected with the test end, and the output end of the second voltage sampling circuit is connected with the positive phase end of the voltage comparator; the switching circuit is connected with the output end of the voltage comparator and is controlled by the output signal of the voltage comparator to control the on-off of the charging circuit.
The novel analog battery system comprises a switch tube Q1 and a relay K1, wherein the electromagnetic part of the relay K1 is connected with the switch tube Q1, the base electrode of the switch tube Q1 is connected with the output end of a voltage comparator, the common end of the switch part of the relay K1 is connected with a test end, and a normally open contact of the common end is connected with a charging circuit.
According to the novel analog battery system, the diode D4 and the energy consumption resistor R8 are connected in series on the charging circuit.
In the novel analog battery system, the output end of the electromagnetic part of the relay K1 is connected with the collector of the switch tube Q1, the emitter of the switch tube Q1 is connected with the ground end, the two ends of the electromagnetic part of the relay K1 are connected in parallel with the diode D2, and the anode of the diode D2 is connected with the collector of the switch tube Q1.
According to the novel simulation battery system, the discharge circuit is provided with the one-way conduction module.
The novel analog battery system comprises the diode D1.
In the novel analog battery system, the diode D1 is a zener diode.
According to the novel analog battery system, the first voltage sampling circuit and the second voltage sampling circuit respectively comprise two voltage dividing resistors which are connected in series.
In the novel analog battery system, the transformer module comprises a transformer, and the transformer comprises a primary coil connected with the AC220V power voltage and a secondary coil respectively connected with a plurality of analog battery modules.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a novel analog battery system, wherein high-voltage alternating current is reduced by a voltage transformation module, low-voltage alternating current is converted into direct current by a rectifying circuit, and then the direct current is reduced and stabilized by a DC-DC power supply module and then is output to a test end by a discharge circuit; the simulation battery is adopted to replace a real battery to carry out charge and discharge test and aging test, so that the cost is reduced, the environment is protected, the test time can be effectively reduced, a repetitive test result is provided, a safe test environment is created, the preparation time can be reduced, and the factors such as errors of operators, deviation of the result and the like are avoided.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic circuit diagram of the present invention showing the connection between a transformer module and 12 sets of analog battery modules;
fig. 2 is a schematic diagram of the circuit of the simulated battery module of the present invention.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the words are used for distinguishing between them unless the context clearly dictates otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In a specific embodiment, the novel analog battery system shown in fig. 1-2 includes a voltage transformation module and a plurality of analog battery modules, where each of the analog battery modules includes a rectification circuit, a DC-DC power module, a comparison control circuit, a charging circuit connected to a discharging circuit at an electrical output end of the DC-DC power module and a grounding end, and a testing terminal connected to the discharging circuit and the charging circuit, and the comparison control circuit is configured to detect and compare voltages at the electrical output end of the DC-DC power module and an output end of the discharging circuit, and connect or disconnect the charging circuit according to a comparison result. The high-voltage alternating current is reduced in voltage through the voltage transformation module and is sent to the simulation battery module, the low-voltage alternating current is converted into direct current through the rectifying circuit, the direct current is reduced in voltage and stabilized through the DC-DC power supply module and then is output to a testing end through the discharge circuit, meanwhile, the comparison control circuit is arranged on the discharge circuit, and the charge and discharge testing of the simulation battery is realized by detecting and comparing the voltages of the electric output end of the DC-DC power supply module and the output end of the discharge circuit and connecting or cutting off the charge circuit according to the comparison result; the simulation battery is adopted to replace a real battery to carry out charge and discharge test and aging test, so that the cost is reduced, the environment is protected, the test time can be effectively reduced, a repetitive test result is provided, a safe test environment is created, the preparation time can be reduced, and the factors such as errors of operators, deviation of the result and the like are avoided.
Specifically, the comparison control circuit comprises a first voltage sampling circuit, a second voltage sampling circuit, a voltage comparator and a switch circuit; the input end of the first voltage sampling circuit is connected with the electrical output end of the DC-DC power supply module, the output end of the first voltage sampling circuit is connected with the negative phase end of the voltage comparator, the input end of the second voltage sampling circuit is connected with the test end, and the output end of the second voltage sampling circuit is connected with the positive phase end of the voltage comparator; the switching circuit is connected with the output end of the voltage comparator and is controlled by the output signal of the voltage comparator to control the on-off of the charging circuit. The voltage of the electric output end of the DC-DC power supply module and the voltage of the electric output end of the testing end, namely the output end of the discharging circuit, are detected through the first voltage sampling circuit and the second voltage sampling circuit respectively, comparison is carried out through the voltage comparator, if the voltage of the output end of the discharging circuit is larger than the voltage of the electric output end of the DC-DC power supply module, namely the positive phase end voltage of the voltage comparator is larger than the negative phase end, the output end of the voltage comparator outputs a high level, a signal 1 is output, the charging circuit is controlled to be conducted after the switching circuit receives the signal 1, the energy of the testing end is consumed through an energy consumption resistor, and therefore the function of simulating charging of the battery module is achieved.
In addition, the switch circuit comprises a switch tube Q1 and a relay K1, the electromagnetic part of the relay K1 is connected with the switch tube Q1, the base electrode of the switch tube Q1 is connected with the output end of the voltage comparator, the common end of the switch part of the relay K1 is connected with the test end, and the normally open contact of the common end is connected with the charging circuit. The switch tube Q1 is a triode, the collector of which is connected with the electromagnetic part of the relay, the emitter of which is connected with the ground end, and the base of which is connected with the output end of the voltage comparator. The output of the voltage comparator is high level, the output signal is 1, the switch tube Q1 is switched on after the switch circuit receives the signal 1, the electromagnetic part of the relay K1 is electrified to work, the switch part of the relay K1 is closed, and the charging circuit is switched on. The relay K1 is used for controlling the on-off of the switch circuit, and due to the fact that the physical isolation is formed between the switch part and the electromagnetic part of the relay K1, the blocking circuit can be prevented from being broken down by too large voltage, and the on-off of the switch circuit is more reliable.
Further, a diode D4 and a power consumption resistor R8 are connected in series on the charging line. One end of the energy consumption resistor R8 is connected with the test end, the other end of the energy consumption resistor R8 is connected with the anode of the one-way diode D4, and the cathode of the one-way diode D4 is connected with the ground end. After the charging circuit is conducted, the energy of the testing end is consumed through the energy consumption resistor R8, so that the function of simulating the charging of the battery module is realized, and the one-way diode D4 is arranged to prevent the voltage backflow of the ground end.
More specifically, the output end of the electromagnetic part of the relay K1 is connected with the collector of a switch tube Q1, the emitter of the switch tube Q1 is connected with the ground end, two ends of the electromagnetic part of the relay K1 are connected with a diode D2 in parallel, and the anode of the diode D2 is connected with the collector of a switch tube Q1.
Furthermore, a unidirectional conduction module is arranged on the discharge circuit. The unidirectional conduction module is respectively connected with the electric output end and the test end of the DC-DC power supply module, so that voltage backflow in the discharging process is prevented. Specifically, the unidirectional conducting module includes a diode D1 having an anode connected to the electrical output terminal of the DC-DC power supply module and a cathode connected to the test terminal, and more specifically, the diode D1 is a zener diode. The voltage flowing through the discharge line is more stable.
In addition, the first voltage sampling circuit and the second voltage sampling circuit respectively comprise two voltage dividing resistors which are connected in series.
Further, the transformation module comprises a transformer including a primary coil connected to the AC220V power voltage and secondary coils respectively connected to the plurality of analog battery modules. As shown in the figure, the simulation battery modules are 12 groups, the AC220V voltage is input into the transformer and then is reduced to be AC11V voltage, then the voltage is transmitted to each group of simulation battery modules, the voltage is converted into direct current through the rectifying circuit, the direct current voltage of 3.8V is stably output through the DC-DC power supply module, the direct current voltage can be adjusted according to actual requirements, and through multi-group testing, the testing efficiency is higher, the testing result is more accurate, and the power consumption reduction cost is reduced.
The above description is provided for one embodiment of the present invention, and the embodiments of the present invention are not limited to these descriptions, and the present invention is not limited to the above nomenclature and the English nomenclature since the trade nomenclature is different. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel simulation battery system, its characterized in that, includes vary voltage module and a plurality of simulation battery module, simulation battery module includes rectifier circuit, DC-DC power module, comparison control circuit, connects in the discharge circuit of the electric output of DC-DC power module and the charging line of earthing terminal and the test end of being connected with discharge circuit and charging line, comparison control circuit is used for detecting and comparing the voltage of the electric output of DC-DC power module and the output of discharge circuit to according to the result of comparison intercommunication or cut the charging line.
2. The novel analog battery system of claim 1, wherein the comparison control circuit comprises a first voltage sampling circuit, a second voltage sampling circuit, a voltage comparator, and a switch circuit; the input end of the first voltage sampling circuit is connected with the electrical output end of the DC-DC power supply module, the output end of the first voltage sampling circuit is connected with the negative phase end of the voltage comparator, the input end of the second voltage sampling circuit is connected with the test end, and the output end of the second voltage sampling circuit is connected with the positive phase end of the voltage comparator; the switching circuit is connected with the output end of the voltage comparator and is controlled by the output signal of the voltage comparator to control the on-off of the charging circuit.
3. The novel analog battery system as claimed in claim 2, wherein the switch circuit comprises a switch tube Q1 and a relay K1, the electromagnetic part of the relay K1 is connected with the switch tube Q1, the base of the switch tube Q1 is connected with the output end of the voltage comparator, the common end of the switch part of the relay K1 is connected with the test end, and the normally open contact of the test end is connected with the charging circuit.
4. The novel simulation battery system as claimed in claim 3, wherein a diode D4 and a dissipation resistor R8 are connected in series on the charging line.
5. The novel simulation battery system as claimed in claim 3, wherein the output end of the electromagnetic part of the relay K1 is connected with the collector of a switch tube Q1, the emitter of the switch tube Q1 is connected with the ground terminal, a diode D2 is connected in parallel with the two ends of the electromagnetic part of the relay K1, and the anode of the diode D2 is connected with the collector of a switch tube Q1.
6. The novel simulation battery system as claimed in claim 1, wherein a unidirectional conducting module is arranged on the discharge circuit.
7. The novel analog battery system as claimed in claim 6, wherein the unidirectional conducting module comprises a diode D1.
8. The novel analog battery system as claimed in claim 7, wherein the diode D1 is a zener diode.
9. The novel analog battery system of claim 2, wherein the first voltage sampling circuit and the second voltage sampling circuit each comprise two series-connected voltage dividing resistors.
10. The novel analog battery system as claimed in claim 1, wherein the transformer module comprises a transformer, the transformer comprises a primary coil connected to the AC220V power voltage and a secondary coil connected to each of the plurality of analog battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903185.9U CN215728686U (en) | 2021-08-13 | 2021-08-13 | Novel simulation battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121903185.9U CN215728686U (en) | 2021-08-13 | 2021-08-13 | Novel simulation battery system |
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| Publication Number | Publication Date |
|---|---|
| CN215728686U true CN215728686U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121903185.9U Active CN215728686U (en) | 2021-08-13 | 2021-08-13 | Novel simulation battery system |
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| CN (1) | CN215728686U (en) |
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2021
- 2021-08-13 CN CN202121903185.9U patent/CN215728686U/en active Active
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