CN212060511U - Simple capacity test circuit for waste lead-acid storage battery - Google Patents
Simple capacity test circuit for waste lead-acid storage battery Download PDFInfo
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- CN212060511U CN212060511U CN202020527414.0U CN202020527414U CN212060511U CN 212060511 U CN212060511 U CN 212060511U CN 202020527414 U CN202020527414 U CN 202020527414U CN 212060511 U CN212060511 U CN 212060511U
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- storage battery
- acid storage
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- triode
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Abstract
A simple test circuit for the capacity of a waste lead-acid storage battery comprises resistors R1-R7, a three-terminal voltage regulator DW1, a triode BG1, a dual operational amplifier IC1, a light-emitting diode LED1, a lead-acid storage battery E and a quartz electronic clock for timing the discharging process of the lead-acid storage battery E, wherein after the lead-acid storage battery E to be detected is fully charged, when the circuit is connected, the voltage of the lead-acid storage battery E is higher than the reference voltage at the beginning, the triode BG1 is conducted, the lead-acid storage battery E starts to discharge, and simultaneously, the quartz electronic clock starts to time, and along with the continuous discharge of the lead-acid storage battery E, the voltage of the lead-acid storage battery E is lower than the reference voltage, the triode BG1 is cut off, the lead-acid storage battery E stops discharging, meanwhile, the quartz electronic clock stops timing, thereby calculate this lead acid battery E's capacity, the utility model discloses simple structure, the low price can detect waste lead acid battery capacity.
Description
Technical Field
The utility model relates to a test single pass specifically is a simple and easy test circuit of old and useless lead acid battery capacity, belongs to battery testing technical field.
Background
For waste lead-acid storage batteries, a plurality of users adopt a disposal mode, and most of the waste storage batteries can be reused. However, the used lead-acid storage batteries have short service time after full charge due to the capacity reduction, and in addition, the used lead-acid storage batteries are used by many people together, and the charge and discharge of the storage batteries are inconsistent due to the inconsistent capacities of different storage batteries, so that the service lives of the storage batteries are influenced, so that the residual capacities of the used lead-acid storage batteries need to be known, but the prices of professional measuring instruments are expensive.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides a simple test circuit of old and useless lead acid battery capacity, simple structure, the low price can detect old and useless lead acid battery capacity.
In order to achieve the purpose, the utility model provides a simple test circuit for the capacity of a waste lead-acid storage battery, which comprises resistors R1-R7, a three-terminal regulator DW1, a triode BG1, a double operational amplifier IC1, a light-emitting diode LED1, a lead-acid storage battery E and a quartz electronic clock for timing the discharge process of the lead-acid storage battery E,
the anode of the lead-acid storage battery E is respectively connected with one end of a resistor R1, a pin 3 of a double operational amplifier IC1, one end of a resistor R4, a pin 8 of a double operational amplifier IC1 and a collector of a triode BG1, the other end of the resistor R1 is respectively connected with the cathode of a three-terminal voltage regulator DW1, one end of a resistor R2 and a pin 2 of a double operational amplifier IC1, the other end of the resistor R2 is respectively connected with an adjustable port of a three-terminal voltage regulator DW1 and one end of a resistor R3, a pin 1 of the double operational amplifier IC1 is connected with a base of a triode BG1, an emitter of the triode BG1 is respectively connected with one end of a resistor R5, the anode of a light-emitting diode LED1, the other end of a resistor 695R 6, the cathode of a light-emitting diode LED 53 is connected with one end of a resistor R868427, the anode of a quartz electronic clock is connected between the resistor R5 and the resistor R6 in parallel, the cathode of, The pin 4 of the dual operational amplifier IC1, the other end of the resistor R4, the other end of the resistor R3, the anode of the three-terminal voltage regulator DW1 and the cathode of the lead-acid storage battery E are all grounded.
As a further improvement of the utility model, the model of the dual operational amplifier IC1 is LM 358.
As a further improvement of the utility model, the triode BG1 is an NPN tube type with a model number of 9013.
As a further improvement of the utility model, the model number of the three-terminal voltage regulator DW1 is TL 431.
As a further improvement of the utility model, the voltage of the lead-acid battery E is 12V.
The utility model discloses a simple and easy test circuit of old and useless lead acid battery capacity, including resistance R1 ~ R7, three terminal regulator DW1, triode BG1, two operational amplifier IC1, emitting diode LED1, lead acid battery E and be used for carrying out the quartzy electronic clock that the lead acid battery E process of discharging timed, after fully charging the lead acid battery E that detects, insert this circuit, just begin this lead acid battery E's voltage and want to be higher than reference voltage, triode BG1 switches on, lead acid battery E begins to discharge, quartzy electronic clock begins to time simultaneously, along with the continuous of lead acid battery E discharging going on, this lead acid battery E's voltage can be less than reference voltage, triode BG1 ends, lead acid battery E stops discharging, quartzy electronic clock stops the timing simultaneously, thereby calculate this lead acid battery E's capacity, the utility model discloses simple structure, low price, the capacity of the waste lead-acid storage battery can be detected.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a simple circuit for testing the capacity of a waste lead-acid storage battery comprises resistors R1-R7, a three-terminal voltage regulator DW1, a triode BG1, a dual operational amplifier IC1, a light-emitting diode LED1, a lead-acid storage battery E and a quartz electronic clock for timing the discharging process of the lead-acid storage battery E, wherein the dual operational amplifier IC1 is of a type LM358, the triode BG1 is of an NPN tube type, the three-terminal voltage regulator DW1 is of a type TL431, and the voltage of the lead-acid storage battery E is 12V;
the anode of the lead-acid storage battery E is respectively connected with one end of a resistor R1, a pin 3 of a double operational amplifier IC1, one end of a resistor R4, a pin 8 of a double operational amplifier IC1 and a collector of a triode BG1, the other end of the resistor R1 is respectively connected with the cathode of a three-terminal voltage regulator DW1, one end of a resistor R2 and a pin 2 of a double operational amplifier IC1, the other end of the resistor R2 is respectively connected with an adjustable port of a three-terminal voltage regulator DW1 and one end of a resistor R3, a pin 1 of the double operational amplifier IC1 is connected with a base of a triode BG1, an emitter of the triode BG1 is respectively connected with one end of a resistor R5, the anode of a light-emitting diode LED1, the other end of a resistor 695R 6, the cathode of a light-emitting diode LED 53 is connected with one end of a resistor R868427, the anode of a quartz electronic clock is connected between the resistor R5 and the resistor R6 in parallel, the cathode of, The pin 4 of the dual operational amplifier IC1, the other end of the resistor R4, the other end of the resistor R3, the anode of the three-terminal voltage regulator DW1 and the cathode of the lead-acid storage battery E are all grounded.
The resistance values of these elements in fig. 1 are well known and can be adjusted as required by those skilled in the art.
The working principle of the utility model is as follows:
the resistors R1, R2, R3 and the three-terminal voltage regulator DW1 form a voltage stabilizing circuit, the output stable voltage of the voltage stabilizing circuit is (1+ R2/R3) multiplied by 2.5V approximately equal to 10.8V, the voltage is used as the reference voltage of a pin 2 of the dual-operational amplifier IC1, and a pin 3 of the dual-operational amplifier IC1 is connected with the lead-acid storage battery E. When the lead-acid storage battery E is just discharged after being fully charged, the power supply voltage of the lead-acid storage battery E is higher than the reference voltage, a pin 1 of a dual operational amplifier IC1 outputs a high level, a triode BG1 is conducted, the lead-acid storage battery E discharges through the triode BG1 and resistors R5 and R6, the voltage divided by the resistors R5 and R6 is slightly higher than the power supply voltage of the quartz electronic clock, and the quartz electronic clock starts to work; when the lead-acid storage battery E is continuously discharged, the voltage gradually drops, and when the voltage drops below 10.8V (which is the lowest discharge voltage of the 12V lead-acid storage battery E), the voltage of the pin 3 of the dual operational amplifier IC1 is lower than the voltage of the pin 2, the pin 1 of the dual operational amplifier IC1 outputs a low level, the triode BG1 is cut off, the discharge of the lead-acid storage battery E is finished, the quartz electronic clock stops running, and the time that the quartz electronic clock runs at this time is the discharge time of the lead-acid storage battery E.
For example: the discharge current of the lead-acid storage battery E is 200 milliamperes, the discharge time is 10 hours, and then the capacity of the lead-acid storage battery E is about 2000 mAh.
Claims (5)
1. A simple test circuit for the capacity of a waste lead-acid storage battery is characterized by comprising resistors R1-R7, a three-terminal voltage regulator DW1, a triode BG1, a double-operational amplifier IC1, a light-emitting diode LED1, a lead-acid storage battery E and a quartz electronic clock for timing the discharging process of the lead-acid storage battery E,
the anode of the lead-acid storage battery E is respectively connected with one end of a resistor R1, a pin 3 of a double operational amplifier IC1, one end of a resistor R4, a pin 8 of a double operational amplifier IC1 and a collector of a triode BG1, the other end of the resistor R1 is respectively connected with the cathode of a three-terminal voltage regulator DW1, one end of a resistor R2 and a pin 2 of a double operational amplifier IC1, the other end of the resistor R2 is respectively connected with an adjustable port of a three-terminal voltage regulator DW1 and one end of a resistor R3, a pin 1 of the double operational amplifier IC1 is connected with a base of a triode BG1, an emitter of the triode BG1 is respectively connected with one end of a resistor R5, the anode of a light-emitting diode LED1, the other end of a resistor 695R 6, the cathode of a light-emitting diode LED 53 is connected with one end of a resistor R868427, the anode of a quartz electronic clock is connected between the resistor R5 and the resistor R6 in parallel, the cathode of, The pin 4 of the dual operational amplifier IC1, the other end of the resistor R4, the other end of the resistor R3, the anode of the three-terminal voltage regulator DW1 and the cathode of the lead-acid storage battery E are all grounded.
2. The simple waste lead-acid storage battery capacity testing circuit as claimed in claim 1, wherein the model of the dual operational amplifier IC1 is LM 358.
3. The simple waste lead-acid storage battery capacity testing circuit as claimed in claim 1, wherein the triode BG1 is of NPN type with model number 9013.
4. The simple waste lead-acid storage battery capacity testing circuit as claimed in claim 1, wherein the model of three-terminal voltage regulator DW1 is TL 431.
5. The simple capacity test circuit for the waste lead-acid storage batteries according to claim 1, wherein the voltage of the lead-acid battery E is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527414.0U CN212060511U (en) | 2020-04-08 | 2020-04-08 | Simple capacity test circuit for waste lead-acid storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527414.0U CN212060511U (en) | 2020-04-08 | 2020-04-08 | Simple capacity test circuit for waste lead-acid storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212060511U true CN212060511U (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020527414.0U Expired - Fee Related CN212060511U (en) | 2020-04-08 | 2020-04-08 | Simple capacity test circuit for waste lead-acid storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212060511U (en) |
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2020
- 2020-04-08 CN CN202020527414.0U patent/CN212060511U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201201 Termination date: 20210408 |