CN217332817U - Test circuit of storage battery internal resistance tester - Google Patents
Test circuit of storage battery internal resistance tester Download PDFInfo
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- CN217332817U CN217332817U CN202123305363.0U CN202123305363U CN217332817U CN 217332817 U CN217332817 U CN 217332817U CN 202123305363 U CN202123305363 U CN 202123305363U CN 217332817 U CN217332817 U CN 217332817U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a test circuit of battery internal resistance tester, including the interface that charges, with charge the wave filter of interface electricity connection, with the step-down module of wave filter electricity connection, the rechargeable lithium battery of being connected with the step-down module electricity, the power output control module of being connected with rechargeable lithium battery electricity, the switch module of being connected with power output control module electricity to and the little control chip of being connected with switch module electricity, little control chip's output electricity is connected with the detection conducting strip, the output electricity of detecting the conducting strip is connected with data transmission module. The testing circuit of the storage battery internal resistance tester can be used for detecting the clamping strength between the conducting plate and the resistor to be tested through the pressure sensor module, detecting the distance between the conducting plate and the resistor to be tested by matching with the infrared sensor module, judging the contact state between the conducting plate and the resistor to be tested, and judging whether the clamping is unstable or not in the testing state.
Description
Technical Field
The utility model relates to a battery internal resistance tester technical field specifically is a test circuit of battery internal resistance tester.
Background
The intelligent accumulator tester is also called accumulator internal resistance meter or accumulator rapid capacity tester, and is a portable digital storage type tester for rapidly and accurately measuring the health state and charge state of accumulator and connecting resistance parameters. The instrument can display and record important parameters of voltage, internal resistance, capacity and the like of a single battery or a plurality of groups of batteries through online test, accurately and effectively pick out the lagging batteries, can generate a test report with a computer and special battery data management software, tracks the decay trend of the batteries and provides a maintenance suggestion. The device is suitable for maintenance and inspection of storage batteries of communication base stations, transformer substations and UPS. The method is used for checking and accepting the storage batteries, matching the storage batteries and performing conventional inspection.
The testing circuit of the existing storage battery internal resistance tester is easily interfered by a power supply signal, and the testing state is undetectable, aiming at the above situation, technical innovation is carried out on the basis of the existing storage battery internal resistance tester.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test circuit of battery internal resistance tester to the test circuit who proposes current battery internal resistance tester among the solution above-mentioned background art receives power supply signal's interference easily, and the undetectable problem of test condition.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a test circuit of battery internal resistance tester, includes the interface that charges, with the electric wave filter of being connected of interface that charges, the step-down module of being connected with the wave filter electricity, the rechargeable lithium cell of being connected with the step-down module electricity, the power output power control module of being connected with the rechargeable lithium cell electricity, the switch switching module of being connected with the power output power control module electricity to and the little control chip of being connected with switch switching module electricity, little control chip's output electricity is connected with the detection conducting strip, the output electricity of detecting the conducting strip is connected with data transmission module, data transmission module's output electricity is connected with local host computer, be equipped with touch display screen on the local host computer.
Preferably, the charging interface is used for providing a charging circuit for the rechargeable lithium battery through the filter and the voltage reduction module.
Preferably, the power output power control module can be used for adjusting the power supply output power of the rechargeable lithium battery and matching with the switch switching module to realize the on-off of the rechargeable lithium battery.
Preferably, the micro control chip is also electrically connected with a voice broadcast module.
Preferably, the micro control chip is also electrically connected with a state prompting lamp.
Preferably, the micro control chip is further electrically connected with a data processing module and a data backup module electrically connected with the data processing module.
Preferably, the input end of the micro control chip is also electrically connected with a pressure sensor module and an infrared sensor module.
Preferably, the power output power control module is further electrically connected with a voltage sampling module and a current sampling module.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model can be used for detecting the clamping strength between the conducting strip and the resistor to be tested through the pressure sensor module, and matching with the infrared sensor module to detect the distance between the conducting strip and the resistor to be tested, and judging the contact state between the conducting strip and the resistor to be tested, whether the clamping is unstable or not in the test state;
the utility model can connect the charging interface with the external power charger, input the external power into the power supply circuit through the charging interface, eliminate the interference power signal through the filter, and maintain the stability of the power output, and adjust the charging power to the rated power matched with the rechargeable lithium battery by matching with the voltage reduction module, which is used for charging the rechargeable lithium battery and can ensure the charging safety of the rechargeable lithium battery, and the voltage sampling module and the current sampling module detect the output voltage signal and the current output signal of the rechargeable lithium battery and feed the detection signal back to the power output power control module, which is used for controlling the output power of the rechargeable lithium battery by matching with the micro control chip to control the switch switching module, thereby controlling the on-off of the power supply of the rechargeable lithium battery, realizing the automation of the power supply and the electrification of the test circuit, the safety of power supply output of the test circuit is improved, a driving power supply is provided for the micro control chip and the test circuit, the micro control chip can be in contact with the resistor to be tested through the detection conducting plate, so that the storage battery internal resistance tester is in a working state, test data are transmitted to the local host through the data transmission module, and the test data are displayed in a digital or graphic mode through the touch display screen;
the utility model discloses accessible voice broadcast module is used for pronunciation warning operating personnel to and cooperation state warning light shows test circuit's running state;
the utility model discloses accessible data processing module is used for handling the test data that little control chip received to test data contrastive analysis many times, be used for improving test circuit's test data precision, and the test data that will test circuit feedback at every turn stores the backup through data backup module.
Drawings
Fig. 1 is a schematic diagram of the system circuit structure of the present invention.
In the figure: 1. a charging interface; 2. a filter; 3. a voltage reduction module; 4. a rechargeable lithium battery; 5. a power supply output power control module; 6. a switch switching module; 7. a micro control chip; 8. detecting the conducting strip; 9. a data transmission module; 10. a pressure sensor module; 11. a data processing module; 12. a data backup module; 13. an infrared sensor module; 14. a touch display screen; 15. a voice broadcasting module; 16. a status indicator light; 17. a local host; 18. a voltage sampling module; 19. and a current sampling module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Embodiment 1
As shown in the attached figure 1, the utility model provides a technical scheme: a test circuit of a storage battery internal resistance tester comprises a charging interface 1, a filter 2 electrically connected with the charging interface 1, a voltage reducing module 3 electrically connected with the filter 2, a rechargeable lithium battery 4 electrically connected with the voltage reducing module 3, a power output power control module 5 electrically connected with the rechargeable lithium battery 4, a switch switching module 6 electrically connected with the power output power control module 5, and a micro-control chip 7 electrically connected with the switch switching module 6, wherein the input end of the micro-control chip 7 is also electrically connected with a pressure sensor module 10 and an infrared sensor module 13, the micro-control chip can be used for detecting the clamping strength between a conductive sheet 8 and a resistor to be tested through the pressure sensor module 10, detecting the distance between the conductive sheet 8 and the resistor to be tested by matching with the infrared sensor module 13 and judging the contact state between the conductive sheet 8 and the resistor to be tested, whether the clamping is unstable or not is in a test state, the charging interface 1 can be used for providing a charging circuit for the rechargeable lithium battery 4 through the filter 2 and the voltage reduction module 3, the power output power control module 5 can be used for adjusting the power supply output power of the rechargeable lithium battery 4 and matching with the switch switching module 6 to realize the on-off of the rechargeable lithium battery 4, the output end of the micro-control chip 7 is electrically connected with the detection conducting strip 8, the output end of the detection conducting strip 8 is electrically connected with the data transmission module 9, the output end of the data transmission module 9 is electrically connected with the local host 17, the local host 17 is provided with the touch display screen 14, the power output power control module 5 is also electrically connected with the voltage sampling module 18 and the current sampling module 19, the charging interface 1 can be connected with an external power supply charger, an external power supply is input into the power supply circuit through the charging interface 1, and interference power supply signals are eliminated through the filter 2, and maintains the stability of the power output, and cooperates with the voltage-reducing module 3 to adjust the charging power supply to the rated power matched with the rechargeable lithium battery 4, so as to provide charging for the rechargeable lithium battery 4 and ensure the charging safety of the rechargeable lithium battery 4, and the voltage sampling module 18 and the current sampling module 19 detect the output voltage signal and the current output signal of the rechargeable lithium battery 4 and feed the detection signals back to the power output power control module 5, the power output power control module 5 is used for controlling the output power of the rechargeable lithium battery 4, and cooperates with the micro-control chip 7 to control the switch switching module 6, so as to control the on-off of the power supply of the rechargeable lithium battery 4, thereby realizing the automation of the power supply and the electrification of the test circuit, improving the safety of the power supply and the output of the test circuit, and providing the driving power supply for the micro-control chip 7 and the test circuit, the micro control chip 7 can be contacted with the resistor to be tested through the detection conducting strip 8, so that the storage battery internal resistance tester is in a working state, test data are transmitted to the local host 17 through the data transmission module 9, and the test data are displayed in a digital or graphic mode through the touch display screen 14.
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, on the basis of the above manner, further, the micro control chip 7 is further electrically connected to a voice broadcast module 15, the micro control chip 7 is further electrically connected to a status prompt lamp 16, and the voice broadcast module 15 can be used for prompting an operator with voice and the status prompt lamp 16 can be used for displaying the operating status of the test circuit.
As shown in fig. 1, the micro control chip 7 is further electrically connected to a data processing module 11 and a data backup module 12 electrically connected to the data processing module 11, and the data processing module 11 is configured to process test data received by the micro control chip 7, compare and analyze the test data for multiple times, improve the accuracy of the test data of the test circuit, and store and backup the test data fed back by the test circuit each time through the data backup module 12.
The working principle of the test circuit of the storage battery internal resistance tester is as follows: firstly, the charging interface 1 can be connected with an external power supply charger, the external power supply is input into a power supply circuit through the charging interface 1, interference power supply signals are eliminated through the filter 2, the stability of power supply output is maintained, the charging power supply is adjusted to the rated power matched with the rechargeable lithium battery 4 by matching with the voltage reduction module 3 to provide charging for the rechargeable lithium battery 4 and ensure the charging safety of the rechargeable lithium battery 4, the voltage sampling module 18 and the current sampling module 19 detect the output voltage signal and the current output signal of the rechargeable lithium battery 4 and feed the detection signals back to the power output power control module 5, the power output power control module 5 is used for controlling the output power of the rechargeable lithium battery 4, and the micro control chip 7 is matched to control the switch switching module 6 so as to control the on-off of the power supply of the rechargeable lithium battery 4, and provides a driving power supply for the micro control chip 7 and the test circuit, the micro control chip 7 can contact with the resistor to be tested through the detection conducting plate 8, the clamping strength between the detection conducting plate 8 and the resistor to be tested can be detected through the pressure sensor module 10, and an infrared sensor module 13 for detecting the distance between the detecting conducting strip 8 and the resistor to be tested, and judges whether the contact state of the detecting conducting strip 8 and the resistor to be tested is unstable or not in the testing state, then, the voice broadcasting module 15 can be used for voice reminding of the operator, and the running state of the test circuit can be displayed by the matching state prompting lamp 16, the storage battery internal resistance tester is in a working state, test data are transmitted to the local host 17 through the data transmission module 9, and displaying the test data in a digital or graphic mode through the touch display screen 14;
then, the data processing module 11 is used for processing the test data received by the micro control chip 7, and performing comparative analysis on the test data for multiple times, so as to improve the test data accuracy of the test circuit, and store and backup the test data fed back by the test circuit each time through the data backup module 12.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a test circuit of battery internal resistance tester, including interface (1) charges, with charge filter (2) that interface (1) electricity is connected, step-down module (3) of being connected with filter (2) electricity, rechargeable lithium battery (4) of being connected with step-down module (3) electricity, power output control module (5) of being connected with rechargeable lithium battery (4) electricity, switch module (6) of being connected with power output control module (5) electricity, and little control chip (7) of being connected with switch module (6) electricity, its characterized in that: the output electricity of little control chip (7) is connected with detection conducting strip (8), the output electricity of detecting conducting strip (8) is connected with data transmission module (9), the output electricity of data transmission module (9) is connected with local host computer (17), be equipped with touch display screen (14) on local host computer (17).
2. The test circuit of the storage battery internal resistance tester according to claim 1, characterized in that: the charging interface (1) can be used for providing a charging circuit for the rechargeable lithium battery (4) through the filter (2) and the voltage reduction module (3).
3. The test circuit of the storage battery internal resistance tester according to claim 1, characterized in that: the power output power control module (5) can be used for adjusting the power supply output power of the rechargeable lithium battery (4) and matching with the switch switching module (6) to realize the on-off of the rechargeable lithium battery (4).
4. The test circuit of the storage battery internal resistance tester according to claim 1, characterized in that: the micro control chip (7) is also electrically connected with a voice broadcasting module (15).
5. The test circuit of the storage battery internal resistance tester according to claim 1, characterized in that: the micro-control chip (7) is also electrically connected with a state prompt lamp (16).
6. The test circuit of the storage battery internal resistance tester according to claim 1, characterized in that: the micro control chip (7) is also electrically connected with a data processing module (11) and a data backup module (12) electrically connected with the data processing module (11).
7. The test circuit of the storage battery internal resistance tester according to claim 1, characterized in that: the input end of the micro control chip (7) is also electrically connected with a pressure sensor module (10) and an infrared sensor module (13).
8. The test circuit of the storage battery internal resistance tester according to claim 1, characterized in that: the power output power control module (5) is also electrically connected with a voltage sampling module (18) and a current sampling module (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305363.0U CN217332817U (en) | 2021-12-23 | 2021-12-23 | Test circuit of storage battery internal resistance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123305363.0U CN217332817U (en) | 2021-12-23 | 2021-12-23 | Test circuit of storage battery internal resistance tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217332817U true CN217332817U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123305363.0U Active CN217332817U (en) | 2021-12-23 | 2021-12-23 | Test circuit of storage battery internal resistance tester |
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| Country | Link |
|---|---|
| CN (1) | CN217332817U (en) |
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2021
- 2021-12-23 CN CN202123305363.0U patent/CN217332817U/en active Active
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