CN217007572U - Charge-discharge test circuit of storage battery pack charge-discharge tester - Google Patents
Charge-discharge test circuit of storage battery pack charge-discharge tester Download PDFInfo
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- CN217007572U CN217007572U CN202123446053.0U CN202123446053U CN217007572U CN 217007572 U CN217007572 U CN 217007572U CN 202123446053 U CN202123446053 U CN 202123446053U CN 217007572 U CN217007572 U CN 217007572U
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Abstract
The utility model discloses a charge and discharge test circuit of a storage battery pack charge and discharge tester, which comprises a storage battery pack, a main control chip connected with the storage battery pack and a circuit change-over switch connected with the main control chip, wherein the output end of the circuit change-over switch is respectively connected with a discharge circuit and a load circuit. The charging and discharging test circuit of the storage battery pack charging and discharging tester can be used for detecting voltage or current signals and feeding the voltage or current signals back to the main control chip under the action of the current sampling module and the voltage acquisition module, the main control chip can transmit detection data to the touch display screen through the communication module and display the detection data through the touch display screen, and the main control chip can control the circuit switching switch to switch the discharging circuit and the charging circuit connected with the load circuit, so that the charging and discharging functions can be realized; the load circuit can be connected in series with the charging circuit, can be used for sharing the voltage of the charging circuit and reducing the output voltage of the charging circuit.
Description
Technical Field
The utility model relates to the technical field of charge and discharge test circuits, in particular to a charge and discharge test circuit of a charge and discharge tester of a storage battery pack.
Background
The on-line charge-discharge tester of the storage battery pack integrates the functions of charge, discharge and on-line monitoring, and has multiple functions. The cost of enterprises is reduced, the labor intensity of maintenance personnel is reduced, and a comprehensive and scientific detection means is provided for the maintenance of the battery and the UPS. The tester adopts a full online discharge technology, the battery pack promotes online power supply voltage through online serial connection of an online charge-discharge test and is controlled to output by automatic current stabilization or constant current power, so that the battery pack to be tested supplies power to online load equipment, the constant current discharge test or the constant power discharge test of the battery pack to be tested is realized, and the effects of safety, energy conservation and maintenance are achieved.
The tester monomer voltage monitoring adopts a wireless mode, and a wireless monomer voltage monitoring module is utilized to realize on-line monitoring of the monomer voltage change in the discharging process and the charging process, so that the battery is protected from over-discharging and over-charging.
The charging and discharging test circuit of the existing storage battery pack charging and discharging tester is inconvenient for accurately controlling the charging and discharging functions in the using process and monitoring the power supply voltage and current, and can not well meet the use requirements of people.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a charge and discharge test circuit of a charge and discharge tester of a storage battery pack, which aims to solve the existing problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: a charging and discharging test circuit of a storage battery pack charging and discharging tester comprises a storage battery pack, a main control chip connected with the storage battery pack, and a circuit change-over switch connected with the main control chip, wherein the output end of the circuit change-over switch is respectively connected with a discharging circuit and a load circuit.
Preferably, the output end of the main control chip is connected with a communication module, and the output end of the communication module is connected with a touch display screen.
Preferably, the output end of the circuit changeover switch is respectively connected with a current sampling module and a voltage acquisition module, and the output ends of the current sampling module and the voltage acquisition module are connected in parallel on the main control chip.
Preferably, the output end of the load circuit is connected with a charging circuit.
Preferably, the charging circuit includes a filter, a rectifier connected to the filter, a voltage regulator circuit connected to the rectifier, and a protection circuit connected to the voltage regulator circuit.
Preferably, the filter, the rectifier, the voltage stabilizing circuit and the protection circuit are electrically connected in series.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model can be used for detecting voltage or current signals and feeding the voltage or current signals back to the main control chip under the action of the current sampling module and the voltage acquisition module, the main control chip can transmit detection data to the touch display screen through the communication module and display the detection data through the touch display screen, and the main control chip can control the circuit switching switch, be used for switching the discharging circuit and the charging circuit connected with the load circuit, and can realize the charging and discharging functions;
the charging circuit is connected in series through the load circuit, can be used for sharing the voltage of the charging circuit and reducing the output voltage of the charging circuit;
the utility model can eliminate the interference signal of the power supply through the effect of the filter, and output the power supply signal to the rectifier, can be used for maintaining the power supply current of the power supply through the rectifier, and can keep the stability of the output voltage of the circuit by matching with the voltage stabilizing circuit, and can be used for protecting the safety of the charging circuit through the protection circuit, thereby being used for improving the overvoltage protection and avoiding the charging damage equipment caused by overlarge output voltage.
Drawings
FIG. 1 is a schematic front view of the present invention;
fig. 2 is a schematic structural diagram of a charging circuit according to the present invention.
In the figure: 1. a battery pack; 2. a main control chip; 3. a circuit changeover switch; 4. a discharge circuit; 5. a load circuit; 6. a charging circuit; 601. a filter; 602. a rectifier; 603. a voltage stabilizing circuit; 604. a protection circuit; 7. a current sampling module; 8. a voltage acquisition module; 9. a communication module; 10. a display screen is touched.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Embodiment 1
As shown in fig. 1, the present invention provides a technical solution: a charging and discharging test circuit of a storage battery pack charging and discharging tester comprises a storage battery pack 1, a main control chip 2 connected with the storage battery pack 1 and a circuit change-over switch 3 connected with the main control chip 2, wherein the output end of the circuit change-over switch 3 is respectively connected with a discharging circuit 4 and a load circuit 5.
Example two
The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:
as shown in fig. 1, as a preferred embodiment, based on the above-mentioned manner, further, the output end of the main control chip 2 is connected with a communication module 9, the output end of the communication module 9 is connected with a touch display screen 10, the output end of the circuit switch 3 is connected with a current sampling module 7 and a voltage collecting module 8 respectively, the output ends of the current sampling module 7 and the voltage collecting module 8 are connected in parallel to the main control chip 2, and under the action of the current sampling module 7 and the voltage collecting module 8, the main control chip 2 can be used for detecting a voltage or a current signal and feeding the voltage or the current signal back to the main control chip 2, the main control chip 2 can transmit the detection data to the touch display screen 10 through the communication module 9 and display the detection data through the touch display screen 10, and the main control chip 2 can control the circuit switch 3 for switching the discharge circuit 4, and a charging circuit 6 connected to the load circuit 5, and capable of performing charging and discharging functions.
As shown in fig. 1 and fig. 2, as a preferred embodiment, in addition to the above-mentioned manner, the output terminal of the load circuit 5 is connected with the charging circuit 6, the charging circuit 6 is connected in series through the load circuit 5, and can be used for sharing the voltage of the charging circuit 6 and reducing the output voltage of the charging circuit 6, the charging circuit 6 includes a filter 601, a rectifier 602 connected with the filter 601, a voltage stabilizing circuit 603 connected with the rectifier 602, and a protection circuit 604 connected with the voltage stabilizing circuit 603, the filter 601, the rectifier 602, the voltage stabilizing circuit 603, and the protection circuit 604 are electrically connected in series, through the action of the filter 601, the interference signal of the power supply can be eliminated and the power supply signal can be output to the rectifier 602, the power supply current can be maintained through the rectifier 602, the stability of the circuit output voltage can be maintained in cooperation with the voltage stabilizing circuit 603, and the safety of the charging circuit can be protected through the protection circuit 604, the method can be used for improving overvoltage protection and avoiding the charging damage equipment caused by overlarge output voltage.
The charge and discharge test circuit of the storage battery pack charge and discharge tester has the working principle that: firstly, under the action of the current sampling module 7 and the voltage collecting module 8, the voltage or current signal can be detected and fed back to the main control chip 2, the main control chip 2 can transmit the detection data to the touch display screen 10 through the communication module 9 and display the detection data through the touch display screen 10, and the main control chip 2 can control the circuit switching switch 3 to switch the discharging circuit 4 and the charging circuit 6 connected with the load circuit 5, so that the charging and discharging functions can be realized;
then, under the action of the filter 601, the interference signal of the power supply can be eliminated, and the power supply signal is output to the rectifier 602, which can be used to maintain the power supply current of the power supply through the rectifier 602, and can keep the stability of the output voltage of the circuit by cooperating with the voltage stabilizing circuit 603, and can be used to protect the safety of the charging circuit through the protection circuit 604, which can be used to improve the overvoltage protection and avoid the charging damage caused by the overlarge output voltage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a storage battery charge-discharge test circuit of tester, includes storage battery (1), main control chip (2) be connected with storage battery (1) to and circuit change over switch (3) be connected with main control chip (2), its characterized in that: the output end of the circuit changeover switch (3) is respectively connected with a discharge circuit (4) and a load circuit (5).
2. The charge and discharge test circuit of the storage battery pack charge and discharge tester according to claim 1, characterized in that: the output end of the main control chip (2) is connected with a communication module (9), and the output end of the communication module (9) is connected with a touch display screen (10).
3. The charge and discharge test circuit of the storage battery pack charge and discharge tester according to claim 1, characterized in that: the output end of the circuit changeover switch (3) is respectively connected with a current sampling module (7) and a voltage acquisition module (8), and the output ends of the current sampling module (7) and the voltage acquisition module (8) are connected to the main control chip (2) in parallel.
4. The charge and discharge test circuit of the storage battery pack charge and discharge tester as claimed in claim 1, wherein: the output end of the load circuit (5) is connected with a charging circuit (6).
5. The charging and discharging test circuit of the storage battery pack charging and discharging tester as claimed in claim 4, wherein: the charging circuit (6) comprises a filter (601), a rectifier (602) connected with the filter (601), a voltage stabilizing circuit (603) connected with the rectifier (602), and a protection circuit (604) connected with the voltage stabilizing circuit (603).
6. The charge and discharge test circuit of the storage battery pack charge and discharge tester according to claim 5, characterized in that: the filter (601), the rectifier (602), the voltage stabilizing circuit (603) and the protection circuit (604) are electrically connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446053.0U CN217007572U (en) | 2021-12-30 | 2021-12-30 | Charge-discharge test circuit of storage battery pack charge-discharge tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123446053.0U CN217007572U (en) | 2021-12-30 | 2021-12-30 | Charge-discharge test circuit of storage battery pack charge-discharge tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007572U true CN217007572U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123446053.0U Active CN217007572U (en) | 2021-12-30 | 2021-12-30 | Charge-discharge test circuit of storage battery pack charge-discharge tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007572U (en) |
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2021
- 2021-12-30 CN CN202123446053.0U patent/CN217007572U/en active Active
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