CN210092930U - Charger for testing internal resistance of single battery - Google Patents
Charger for testing internal resistance of single battery Download PDFInfo
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- CN210092930U CN210092930U CN201921261132.4U CN201921261132U CN210092930U CN 210092930 U CN210092930 U CN 210092930U CN 201921261132 U CN201921261132 U CN 201921261132U CN 210092930 U CN210092930 U CN 210092930U
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Abstract
The utility model relates to a charger for testing single section battery internal resistance. The charger comprises a control module, a charge-discharge control module, an electric quantity detection module, a constant current load module, a voltage detection module and a display module, wherein the electric quantity detection module is used for detecting the electric quantity of a battery; the charging and discharging control module is used for controlling the constant current output module to charge or discharge the battery according to the electric quantity of the battery; the voltage detection module is used for detecting the voltage of the battery in the charging or discharging process after a preset time period; the control module is used for calculating the internal resistance of the battery according to the voltage of the battery in the charging or discharging process and controlling the display module to display the parameter information of the battery. The utility model provides a charger can carry out the internal resistance test to the battery in the electronic product, and easy operation need not external equipment, can effectively improve the efficiency of battery internal resistance test.
Description
Technical Field
The utility model relates to a charger field technical field especially relates to a charger for testing single section battery internal resistance.
Background
The internal resistance of the battery is one of the most important characteristic parameters of the battery, and directly influences the normal operation and the service life of the battery. Generally, when an electronic product using a battery as a power supply performs internal resistance on the battery, the battery needs to be taken out of the electronic product and externally connected with a device for specifically measuring the internal resistance to perform internal resistance test on the battery, so that the operation is complex and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can effectively raise the efficient charger that is used for testing single section battery internal resistance.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
a charger for testing the internal resistance of a single battery comprises a control module, a charge-discharge control module, an electric quantity detection module, a constant current load module, a voltage detection module and a display module, wherein the control module is connected with the constant current load module through the charge-discharge control module, the electric quantity detection module, the voltage detection module and the display module are respectively connected with the control module,
the electric quantity detection module is used for detecting the electric quantity of the battery;
the charge and discharge control module is used for controlling the constant current output module to charge or discharge the battery according to the electric quantity of the battery;
the voltage detection module is used for detecting the voltage of the battery in the charging or discharging process after a preset time period;
the control module is used for calculating the internal resistance of the battery according to the voltage of the battery in the charging or discharging process and controlling the display module to display the parameter information of the battery.
The charger for testing the internal resistance of the single battery comprises a control module, a charge-discharge control module, an electric quantity detection module, a constant current load module, a voltage detection module and a display module, wherein the control module is connected with the constant current load module through the charge-discharge control module; the charging and discharging control module is used for controlling the constant current output module to charge or discharge the battery according to the electric quantity of the battery; the voltage detection module is used for detecting the voltage of the battery in the charging or discharging process after a preset time period; the control module is used for calculating the internal resistance of the battery according to the voltage of the battery in the charging or discharging process and controlling the display module to display the parameter information of the battery. The utility model provides a charger can carry out the internal resistance test to the battery in the electronic product, and easy operation need not external equipment, can effectively improve the efficiency of battery internal resistance test.
In one embodiment, the charger further comprises an alarm module, the alarm module is connected with the control module, and when the electric quantity of the battery exceeds a set range, the control module controls the alarm module to give an alarm.
In one embodiment, the alarm module comprises a buzzer or an LED lamp.
In one embodiment, the charger further comprises a wireless communication module, the wireless communication module is connected with the mobile terminal, and the wireless communication module is used for sending the parameter and the state information of the battery to the mobile terminal in real time.
In one embodiment, the wireless communication module comprises a WIFI module or a bluetooth module.
Drawings
FIG. 1 is a diagram of a charger for testing the internal resistance of a single battery in one embodiment;
FIG. 2 is a diagram of a charger for testing the internal resistance of a single battery in another embodiment;
fig. 3 is a charger for testing the internal resistance of a single battery in yet another embodiment.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, the present embodiment provides a charger for testing internal resistance of a single battery, including a control module 100, a charge and discharge control module 200, an electric quantity detection module 300, a constant current load module 400, a voltage detection module 500, and a display module 600, wherein the control module 100 is connected to the constant current load module 400 through the charge and discharge control module 200, the electric quantity detection module 300, the voltage detection module 500, and the display module 600 are respectively connected to the control module 100, wherein,
the electric quantity detection module 300 is used for detecting the electric quantity of the battery;
the charge and discharge control module 200 is used for controlling the constant current output module 400 to charge or discharge the battery according to the electric quantity of the battery;
the voltage detection module 500 is used for detecting the voltage of the battery in the charging or discharging process after a preset time period;
the control module 100 is configured to calculate an internal resistance of the battery according to a voltage of the battery during charging or discharging, and control the display module 600 to display parameter information of the battery.
In this embodiment, the charge and discharge control module 200 includes a charge module and a discharge module, when the electric quantity of the battery detected by the electric quantity detection module 300 is lower than the minimum value of the set range, the control module 100 switches on the charge module in the charge and discharge control module 200, the charge module controls the constant current output module 400 to charge the battery with the constant current I1, the voltage detection module 500 detects the voltage U1 of the battery at this time, after a preset time period, the voltage detection module 500 detects the voltage U2 of the battery, the control module 100 calculates the internal resistance of the battery according to the voltage difference before and after the preset time period, the calculation formula is (U2-U1)/I1, and the control module 100 is further configured to send the internal resistance of the battery and the parameters such as the voltage detected in real time to the display module 600 for display; when the electric quantity of the battery detected by the electric quantity detection module 300 is higher than the maximum value of the set range, the control module 100 switches on a discharge module in the charge-discharge control module 200, the discharge module controls the constant current output module 400 to discharge the constant current I2 to the battery, the voltage detection module 500 detects the voltage U3 of the battery at the moment, after a preset time period, the voltage detection module 500 detects the voltage U4 of the battery, the control module 100 calculates the internal resistance of the battery according to a voltage difference value before and after the preset time period, the calculation formula is (R ═ U3-U4)/I2, and the control module 100 is further configured to send parameters such as the internal resistance of the battery and the voltage detected in real time to the display module 600 for display. Specifically, the setting range of the amount of electricity may be set to 20% to 80% of the amount of electricity.
It should be noted that, the method for testing the internal resistance of the battery provided in this embodiment may further include: when the electric quantity of the battery detected by the electric quantity detection module 300 is lower than the minimum value of the set range, the control module 100 switches on a charging module in the charging and discharging control module 200, the charging module controls the constant current output module 400 to charge the battery for T1 seconds under the constant current I3, the voltage detection module 500 detects the voltage U5 of the battery at the moment after T1 seconds of charging, at the moment, the charging module controls the constant current output module 400 to charge the battery for T2 seconds under the constant current I4, the voltage detection module 500 detects the voltage U6 of the battery at the moment after T2 seconds of charging, and the control module 100 calculates the internal resistance of the battery according to the voltage difference detected in the two charging processes, wherein the calculation formula is (U6-U5)/| I4-I3 |; when the electric quantity of the battery detected by the electric quantity detection module 300 is higher than the maximum value of the set range, the control module 100 switches on a discharging module in the charging and discharging control module 200, the charging module controls the constant current output module 400 to discharge the battery for T3 seconds under the constant current I5, the voltage detection module 500 detects the voltage U7 of the battery at the moment after the discharging for T3 seconds, the discharging module controls the constant current output module 400 to discharge the battery for T4 seconds under the constant current I6, the voltage detection module 500 detects the voltage U8 of the battery at the moment after the discharging for T4 seconds, and the control module 100 calculates the internal resistance of the battery according to the voltage difference detected in the two charging processes, wherein the calculation formula is (U7-U8)/| I5-I6 |.
The charger for testing the internal resistance of the single battery comprises a control module 100, a charge-discharge control module 200, an electric quantity detection module 300, a constant current load module 400, a voltage detection module 500 and a display module 600, wherein the control module 100 is connected with the constant current load module 400 through the charge-discharge control module 200, the electric quantity detection module 300, the voltage detection module 500 and the display module 600 are respectively connected with the control module 100, and the electric quantity detection module 300 is used for detecting the electric quantity of the battery; the charge and discharge control module 200 is used for controlling the constant current output module 400 to charge or discharge the battery according to the electric quantity of the battery; the voltage detection module 500 is used for detecting the voltage of the battery in the charging or discharging process after a preset time period; the control module 100 is configured to calculate an internal resistance of the battery according to a voltage of the battery during charging or discharging, and control the display module 600 to display parameter information of the battery. The utility model provides a charger can carry out the internal resistance test to the battery in the electronic product, and easy operation need not external equipment, can effectively improve the efficiency of battery internal resistance test.
In one embodiment, referring to fig. 2, the charger further includes an alarm module 700, and the alarm module 700 is connected to the control module 100, and when the charge of the battery exceeds a set range, the control module 100 controls the alarm module 700 to give an alarm.
In this embodiment, the charger further includes an alarm module 700, and when the electric quantity of the battery exceeds the set range, the control module 100 controls the alarm module 700 to give an alarm, so as to prevent the problem that the service life of the battery is affected by the overcharge of the battery. Specifically, the alarm module 700 includes a buzzer or an LED lamp.
In one embodiment, referring to fig. 3, the charger further includes a wireless communication module 800, the wireless communication module 800 is connected to the mobile terminal, and the wireless communication module 800 is configured to transmit the parameter and state information of the battery to the mobile terminal in real time.
In this embodiment, the charger further includes a wireless communication module 800, and the wireless communication module 800 may be connected to a mobile terminal of a user, such as a mobile phone, a smart watch, or a tablet computer, and is configured to send parameters and state information of the battery to the mobile terminal for display, so that the user can check the parameters and state information at any time. Specifically, the wireless communication module 800 includes a WIFI module or a bluetooth module.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A charger for testing the internal resistance of a single battery is characterized by comprising a control module, a charge-discharge control module, an electric quantity detection module, a constant current load module, a voltage detection module and a display module, wherein the control module is connected with the constant current load module through the charge-discharge control module, the electric quantity detection module, the voltage detection module and the display module are respectively connected with the control module,
the electric quantity detection module is used for detecting the electric quantity of the battery;
the charge and discharge control module is used for controlling the constant current output module to charge or discharge the battery according to the electric quantity of the battery;
the voltage detection module is used for detecting the voltage of the battery in the charging or discharging process after a preset time period;
the control module is used for calculating the internal resistance of the battery according to the voltage of the battery in the charging or discharging process and controlling the display module to display the parameter information of the battery.
2. The charger according to claim 1, further comprising an alarm module, wherein the alarm module is connected to the control module, and when the electric quantity of the battery exceeds a predetermined range, the control module controls the alarm module to give an alarm.
3. The charger according to claim 2, wherein the alarm module comprises a buzzer or an LED lamp.
4. The charger according to claim 1, further comprising a wireless communication module, wherein the wireless communication module is connected to a mobile terminal, and the wireless communication module is configured to send the parameter and status information of the battery to the mobile terminal in real time.
5. The charger according to claim 4, wherein the wireless communication module comprises a WIFI module or a Bluetooth module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261132.4U CN210092930U (en) | 2019-08-06 | 2019-08-06 | Charger for testing internal resistance of single battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261132.4U CN210092930U (en) | 2019-08-06 | 2019-08-06 | Charger for testing internal resistance of single battery |
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| CN210092930U true CN210092930U (en) | 2020-02-18 |
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| CN201921261132.4U Active CN210092930U (en) | 2019-08-06 | 2019-08-06 | Charger for testing internal resistance of single battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884920A (en) * | 2021-09-30 | 2022-01-04 | 济南耀锐电子科技有限公司 | Battery internal resistance testing system for charge-discharge state |
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2019
- 2019-08-06 CN CN201921261132.4U patent/CN210092930U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884920A (en) * | 2021-09-30 | 2022-01-04 | 济南耀锐电子科技有限公司 | Battery internal resistance testing system for charge-discharge state |
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