CN116169384B - Repairing circuit and method for lead-acid storage battery - Google Patents
Repairing circuit and method for lead-acid storage battery Download PDFInfo
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- CN116169384B CN116169384B CN202310435862.6A CN202310435862A CN116169384B CN 116169384 B CN116169384 B CN 116169384B CN 202310435862 A CN202310435862 A CN 202310435862A CN 116169384 B CN116169384 B CN 116169384B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
Abstract
The application provides a repairing circuit and a repairing method of a lead-acid storage battery, wherein the repairing circuit of the lead-acid storage battery comprises a pulse generating module, an internal resistance detecting module, a microprocessor, a communication module and a power supply control module; the pulse generating module is respectively coupled with the battery anode and the battery cathode of the lead-acid storage battery to be repaired, the pulse generating module is also coupled with the microprocessor, and the VCC input end of the pulse generating module is also coupled with the power supply control module; the internal resistance detection module is respectively coupled with the battery anode and the battery cathode of the lead-acid storage battery to be repaired, and is also coupled with the microprocessor; the communication module is coupled with the microprocessor and is also coupled with the power supply control module; the power supply control module is coupled with the microprocessor. By adopting the repairing circuit and the repairing method, the problem that the repairing process of the lead-acid storage battery is complicated due to the fact that an external repairing instrument adopted needs extra wiring and power supply when the lead-acid storage battery is repaired is solved.
Description
Technical Field
The application relates to the technical field of storage battery repair, in particular to a repair circuit and method of a lead-acid storage battery.
Background
The lead-acid accumulator is one in which the electrode is mainly made of lead and its oxide and the electrolyte is sulfuric acid solution. The lead-acid storage battery has the characteristics of safe sealing, simple maintenance, long service life, stable quality and high reliability. And thus is widely used in the main power supply or the standby power supply of various communication devices, transportation means and industrial instruments. Lead-acid batteries can form lead sulfate crystals during discharge, and lead sulfate crystals can be easily reduced to lead during charging, but when the batteries are often in the condition of insufficient charging or overdischarge, coarse lead sulfate crystals are gradually formed on negative plates of the batteries, and the lead sulfate crystals are difficult to reduce. This phenomenon is known as "vulcanization". The "vulcanization" can lead to a decrease in battery capacity, directly affecting the service life. In actual lead acid battery use, the causes of "vulcanization" include: the battery can not be charged in time after discharging, and larger lead sulfate crystals are formed between the battery and the battery. This phenomenon occurs on all deep discharge batteries and after 12 hours of battery discharge, larger lead sulfate knots can form. In addition, after the capacity of the positive plate of the lead-acid storage battery is reduced, the negative plate cannot be completely reduced, which is also a cause of gradual growth of lead-acid lead crystals, and in general, the formation of lead sulfate crystals is an unavoidable problem in the use of the lead-acid storage battery.
In the related art, an external repairing instrument is generally adopted to eliminate lead sulfate crystallization generated in the use process of the lead-acid storage battery, however, the mode needs additional wiring and power supply, and is time-consuming and labor-consuming, so that the repairing process of the lead-acid storage battery is complex.
Therefore, there is a need for a repair circuit for lead acid batteries that solves the problems of the prior art.
Disclosure of Invention
The application provides a repairing circuit and method of a lead-acid storage battery, which are used for solving the problem that an external repairing instrument adopted in the related art needs extra wiring and power supply when repairing the lead-acid storage battery, so that the repairing process of the lead-acid storage battery is complex.
The application provides a repairing circuit of a lead-acid storage battery, which comprises a pulse generating module, an internal resistance detecting module, a microprocessor, a communication module and a power supply control module; the pulse generating module is respectively coupled with the battery anode and the battery cathode of the lead-acid storage battery to be repaired, the pulse generating module is also coupled with the microprocessor, and the VCC input end of the pulse generating module is also coupled with the power supply control module; the internal resistance detection module is respectively coupled with the battery anode and the battery cathode of the lead-acid storage battery to be repaired, and is also coupled with the microprocessor; the communication module is coupled with the microprocessor and is also coupled with the power supply control module; the power supply control module is coupled with the microprocessor.
By adopting the circuit, the power supply for the repairing circuit is provided by using the lead-acid storage battery, so that the repairing circuit can be integrated into the lead-acid storage battery, and extra wiring and power supply are not needed when the lead-acid storage battery is repaired, thereby simplifying the repairing process of the lead-acid storage battery.
Optionally, the pulse generating module includes a voltage input unit, a pulse output unit, an electric energy management unit, a first thyristor and a first optocoupler; the voltage input unit is coupled with the battery anode of the lead-acid storage battery, the electric energy management unit and the power supply control module; the pulse output unit is coupled with the battery anode of the lead-acid storage battery to be repaired, the first thyristor and the electric energy management unit; the electric energy management unit is also coupled with the microprocessor; the control electrode of the first thyristor is coupled with the positive electrode of the output end of the first optocoupler; the input end of the first optical coupler is coupled with the microprocessor.
By adopting the circuit, the power supply for the generation of the pulse is provided by the lead-acid storage battery in the repair circuit, and the pulse generation module can be controlled by the microprocessor. The microprocessor can realize the shutdown of the whole repair circuit by controlling the shutdown of the electric energy management unit; the control of the output pulse of the pulse output unit is realized by controlling the turn-off of the first thyristor.
Optionally, the internal resistance detection module includes an internal resistance detection unit and a second optocoupler; the internal resistance detection unit is coupled with the battery anode of the lead-acid storage battery to be repaired, is also coupled with the output end of the second optical coupler and is also coupled with the microprocessor; the second optocoupler is also coupled to the microprocessor.
By adopting the circuit, the repairing circuit can select whether to output the pulse or not by detecting the internal resistance of the lead-acid storage battery to be repaired, and the microprocessor can control the internal resistance detection module.
Optionally, the power supply control module comprises a first conversion unit, a second conversion unit, a third conversion unit and a transformation unit; the first conversion unit is coupled with the VCC output end of the pulse generation module, and is also coupled with the second conversion unit and the voltage transformation unit; the second conversion unit is also coupled with the communication module and the microprocessor; the third conversion unit is coupled with the transformation unit and the communication module.
Through adopting above-mentioned circuit, can realize through the electric energy that uses lead acid battery, provide the voltage output of different voltage grades for repair circuit to the normal power supply of whole repair circuit has been guaranteed.
Optionally, the voltage input unit includes a first fuse, a first resistor, a first capacitor, and a first diode; one end of the first fuse is coupled with the positive electrode of the battery of the lead-acid storage battery to be repaired, and the other end of the first fuse is coupled with one end of the first resistor; the other end of the first resistor is coupled with the anode of the first diode; the cathode of the first diode is coupled with the pulse output unit, and the cathode of the first diode outputs VCC voltage; the positive pole of the first capacitor is coupled with the negative pole of the first diode, and the negative pole of the first capacitor is grounded.
By adopting the circuit, the rectification of the output voltage of the lead-acid storage battery is realized, and the VCC voltage for repairing the circuit is obtained. And can blow the fuse under the condition that the output voltage of the lead-acid storage battery is too high, thereby realizing the protection of a repair circuit.
Optionally, the power management unit includes a dc voltage converter, a first inductor, a second diode, and a second thyristor; the enabling end of the direct-current voltage converter is coupled with the microprocessor, and the DRV port of the direct-current voltage converter is coupled with the control electrode of the second thyristor; one end of the first inductor is coupled with the voltage input unit, and the other end of the first inductor is coupled with the anode of the second diode; the cathode of the second diode is coupled with the pulse output unit; the anode of the second thyristor is coupled with the anode of the second diode, and the cathode of the second thyristor is grounded.
Optionally, the pulse output unit includes a second capacitor, a third capacitor, and a fourth capacitor; the anode of the second capacitor is coupled with the cathode of the second diode, and the cathode of the second capacitor is grounded; the anode of the third capacitor is coupled with the cathode of the second diode, and the cathode of the third capacitor is grounded; the fourth capacitor is connected in parallel with the second capacitor.
Optionally, the internal resistance detection unit includes a fourth diode, a second resistor, a third resistor string, a fourth resistor, a fifth resistor, a sixth resistor, and a third thyristor; the anode of the fourth diode is coupled with the battery anode of the lead-acid storage battery to be repaired, the cathode of the fourth diode is coupled with one end of the second resistor, and the cathode of the fourth diode is also coupled with the anode of the third thyristor; the other end of the second resistor is coupled with the positive electrode of the output end of the second optical coupler; one end of the third resistor string is coupled with the cathode of the third thyristor, and the other end of the third resistor string is coupled with the cathode of the lead-acid storage battery to be repaired; one end of the fourth resistor is coupled with the negative electrode of the output end of the second optical coupler, and the other end of the fourth resistor is grounded; one end of the fifth resistor is coupled with the microprocessor, and the other end of the fifth resistor is grounded; one end of the sixth resistor is coupled to one end of the third resistor string, and the other end of the sixth resistor is coupled to one end of the fifth resistor.
Optionally, the circuit further comprises a data display module; the data display module is coupled with the microprocessor.
The second aspect of the application provides a repairing method of a lead-acid storage battery, which is applied to any one of the above circuits, and comprises the following steps: acquiring sampling data of a sampling point RS, wherein the sampling data comprises the internal resistance of a battery; when the internal resistance of the battery is greater than or equal to the preset internal resistance, a control signal is sent to the pulse output unit, so that the pulse output unit sends forward sharp pulse to the lead-acid storage battery to be repaired; after a preset time, re-acquiring sampling data of the acquired sampling point RS; and stopping sending forward sharp pulse to the lead-acid storage battery to be repaired when the internal resistance of the battery is smaller than the preset internal resistance.
Compared with the related art, the application has the beneficial effects that: the lead-acid storage battery is used for providing a power supply for the repairing circuit, so that the repairing circuit can be integrated into the lead-acid battery, and extra wiring and power supply are not needed when the lead-acid storage battery is repaired, and the repairing process of the lead-acid storage battery is simplified. The generation of pulses is powered by a lead acid battery and enables the pulse generation module to be controlled by a microprocessor. The microprocessor can realize the shutdown of the whole repair circuit by controlling the shutdown of the electric energy management unit; the control of the output pulse of the pulse output unit is realized by controlling the turn-off of the first thyristor. The repairing circuit is enabled to select whether to perform pulse output or not by detecting the internal resistance of the lead-acid storage battery to be repaired, and the microprocessor is enabled to control the internal resistance detection module. The voltage output of different voltage classes is provided for the repair circuit, so that the normal power supply of the whole repair circuit is ensured.
Drawings
Fig. 1 is a first schematic structural diagram of a repair circuit of a lead-acid storage battery according to an embodiment of the present application;
fig. 2 is a second schematic structural diagram of a repair circuit of a lead-acid storage battery according to an embodiment of the present application;
fig. 3 is a third schematic structural diagram of a repair circuit of a lead-acid storage battery according to an embodiment of the present application;
fig. 4 is a fourth schematic structural diagram of a repair circuit of a lead-acid battery according to an embodiment of the present application;
fig. 5 is a fifth structural schematic diagram of a repair circuit of a lead-acid battery according to an embodiment of the present application.
Reference numerals: 10. lead-acid storage batteries to be repaired; 11. a pulse generation module; 12. an internal resistance detection module; 13. a microprocessor; 14. a communication module; 15. a power supply control module; 16. a data display module; 111. a voltage input unit; 112. a pulse output unit; 113. an electric energy management unit; 121. an internal resistance detection unit; 151. a first conversion unit; 152. a second conversion unit; 153. a third conversion unit; 154. a transformation unit; BAT+, battery anode of lead-acid battery to be repaired; BAT-, a battery negative electrode of a lead-acid battery to be repaired; u1, a first optocoupler; u2, a second optocoupler; q1, a first thyristor; q2, a second thyristor; f1, a first fuse; r1, a first resistor; r2, a second resistor; r3, a third resistor string; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; c1, a first capacitor; c2, a second capacitor; c3, a third capacitor; c4, a fourth capacitor; d1, a first diode; d2, a second diode; d3, a third diode; d4, a fourth diode; a TX, dc voltage converter; l1, first inductor.
Description of the embodiments
In order to make the technical solutions in the present specification better understood by those skilled in the art, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments.
In describing embodiments of the present application, words such as "exemplary," "such as" or "for example" are used to mean serving as examples, illustrations or explanations. Any embodiment or design described herein as "illustrative," "such as" or "for example" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "illustratively," "such as" or "for example," etc., is intended to present related concepts in a concrete fashion.
In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a alone, B alone, and both A and B. In addition, unless otherwise indicated, the term "plurality" means two or more. For example, a plurality of systems means two or more systems, and a plurality of screen terminals means two or more screen terminals. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating an indicated technical feature. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
The microprocessor in the embodiment of the application may be N76E003.
The embodiment of the application provides a repairing circuit of a lead-acid storage battery, which aims to solve the problem that an external repairing instrument adopted in the related art needs extra wiring and power supply when repairing the lead-acid storage battery, so that the repairing process of the lead-acid storage battery is complex.
As shown in fig. 1, the repair circuit of the lead-acid storage battery comprises a pulse generation module 11, an internal resistance detection module 12, a microprocessor 13, a communication module 14 and a power supply control module 15; the pulse generation module 11 is respectively coupled with a battery positive electrode BAT+ and a battery negative electrode BAT-of the lead-acid storage battery 10 to be repaired, the pulse generation module 11 is also coupled with the microprocessor 13, and the VCC input end of the pulse generation module 11 is also coupled with the power supply control module 15; the internal resistance detection module 12 is respectively coupled with a battery positive electrode BAT+ and a battery negative electrode BAT-of the lead-acid storage battery 10 to be repaired, and the internal resistance detection module 12 is also coupled with the microprocessor 13; the communication module 14 is coupled with the microprocessor 13 and is also coupled with the power supply control module 15; the power control module 15 is coupled to the microprocessor 13.
For example, in the embodiment of the present application, the pulse generating module 11 is respectively coupled to the battery positive electrode bat+ and the battery negative electrode BAT-of the lead-acid battery 10 to be repaired, and the pulse generating module 11 obtains the electric energy for generating the forward spike through the lead-acid battery 10 to be repaired. Meanwhile, the generated forward spike is loaded into the lead-acid storage battery 10 to be repaired, so that lead sulfate crystallization of the lead-acid storage battery is achieved, the internal resistance of the lead-acid storage battery is reduced, and the service life of the lead-acid storage battery is prolonged. The internal resistance detection module 12 is used for detecting the internal resistance of the battery of the lead-acid storage battery 10 to be repaired. The microprocessor 13 further controls the turning-off of the pulse generating module 11 and the internal resistance detecting module 12 by acquiring the detection data of the internal resistance detecting module 12. The communication module 14 can realize exchange and transmission of external data for remote control and starting of the repair circuit, and can also send various data of the lead-acid storage battery, such as temperature, internal resistance, voltage and the like, to the outside so that the lead-acid storage battery is monitored externally.
In one possible embodiment, as shown in fig. 2, the pulse generating module 11 includes a voltage input unit 111, a pulse output unit 112, a power management unit 113, a first thyristor Q1, and a first optocoupler U1; the voltage input unit is coupled with the battery positive electrode BAT+ of the lead-acid storage battery 10 to be repaired, is coupled with the electric energy management unit 113, and is coupled with the power supply control module 15; the pulse output unit 112 is coupled with the battery positive electrode bat+, the first thyristor Q1 and the electric energy management unit 113 of the lead-acid storage battery 10 to be repaired; the power management unit 113 is also coupled to the microprocessor 13; the control electrode of the first thyristor Q1 is coupled with the positive electrode of the output end of the first optocoupler U1; the input of the first optocoupler U1 is coupled to the microprocessor 13.
For example, the voltage input unit 111 receives a voltage input from the battery positive electrode bat+ of the lead-acid storage battery 10 to be repaired and outputs a VCC voltage to the power management unit 113; the power management unit 113 may charge the pulse output unit 112 by boosting so that the pulse output unit 112 can output a forward spike. The microprocessor 13 controls the voltage output to the control electrode of the first thyristor Q1 to turn off the first thyristor Q1, thereby controlling the power management unit 113. The microprocessor 13 controls the pulse output unit 112 by controlling the output signal of the positive electrode of the output end of the first optocoupler U1.
In one possible embodiment, as shown in fig. 2, the internal resistance detection module 12 includes an internal resistance detection unit 121 and a second optocoupler U2; the internal resistance detection unit 121 is coupled with a battery anode BAT+ of the lead-acid storage battery 10 to be repaired, is coupled with an output end of the second optical coupler U2, and is coupled with the microprocessor 13; the second optocoupler U2 is also coupled to the microprocessor 13.
For example, as shown in fig. 2, the microprocessor 13 controls the discharge time of the lead-acid storage battery by controlling the conduction of the second optocoupler U2, and obtains the discharge current after converting by detecting the voltage of the RS point, and the discharge current obtains the internal resistance of the battery after processing by the microprocessor 13.
In one possible embodiment, as shown in fig. 3, the voltage input unit 111 includes a first fuse F1, a first resistor R1, a first capacitor C1, and a first diode D1; one end of the first fuse is coupled with the battery positive electrode BAT+ of the lead-acid storage battery 10 to be repaired, and the other end of the first fuse is coupled with one end of the first resistor R1; the other end of the first resistor R1 is coupled with the anode of the first diode D1; the cathode of the first diode D1 is coupled to the pulse output unit 112, and the cathode of the first diode D1 outputs VCC voltage; the positive electrode of the first capacitor C1 is coupled to the negative electrode of the first diode D1, and the negative electrode of the first capacitor C1 is grounded.
In one possible embodiment, as shown in fig. 3, the power management unit 113 includes a direct-current voltage converter TX, a first inductor L1, a second diode D2, and a second thyristor Q2; the enable end EN of the DC voltage converter TX is coupled with the microprocessor 13, and the DRV port of the DC voltage converter TX is coupled with the control electrode of the second thyristor Q2; one end of the first inductor L1 is coupled with the voltage input unit 111, and the other end is coupled with the anode of the second diode D2; the cathode of the second diode D2 is coupled to the pulse output unit 112; the anode of the second thyristor Q2 is coupled to the anode of the second diode D2, and the cathode of the second thyristor Q2 is grounded.
In one possible embodiment, as shown in fig. 3, the pulse output unit 112 includes a second capacitor C2, a third capacitor C3, and a fourth capacitor C4; the anode of the second capacitor C2 is coupled with the cathode of the second diode D2, and the cathode of the second capacitor C2 is grounded; the anode of the third capacitor C3 is coupled with the cathode of the second diode D2, and the cathode of the third capacitor C3 is grounded; the fourth capacitor C4 is connected in parallel with the second capacitor C2.
For example, in the embodiment of the present application, as shown in fig. 3, a current flows through the first fuse F, the first resistor R1 and the first diode D1 through the battery positive electrode bat+ of the lead-acid storage battery 10 to be repaired, so that the first capacitor C1 is charged; meanwhile, the first resistor R1 and the first diode D1 constitute a rectifying circuit, outputting a rectified VCC voltage. When the voltage of the first capacitor C1 rises to a certain value, the dc voltage converter TX starts to operate, and the voltage input to the dc voltage converter TX rises to a certain value, and in the embodiment of the present application, the output voltage of the dc voltage converter TX is 12V, and a 24V voltage is output to the pulse output unit 112. Under the condition that the microprocessor 13 controls the first thyristor Q1 to be conducted, the pulse output unit outputs forward spike pulse value to be repaired into the lead-acid storage battery 10 through the third diode D3, so that the purpose of removing lead sulfate crystals of the lead-acid storage battery is achieved. In an embodiment of the present application, a forward spike is provided, the parameters being as follows. The output pulse frequency 763Hz, the period 1300us, the forward spike 10us, the pulse amplitude 24V and the maximum value of the pulse current 3.4A.
In one possible embodiment, as shown in fig. 4, the internal resistance detection unit 121 includes a fourth diode D4, a second resistor R2, a third resistor string R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, and a third thyristor Q3; the positive electrode of the fourth diode D4 is coupled with the battery positive electrode BAT+ of the lead-acid storage battery 10 to be repaired, the negative electrode of the fourth diode D4 is coupled with one end of the second resistor R2, and the negative electrode of the fourth diode D4 is also coupled with the anode of the third thyristor Q3; the other end of the second resistor R2 is coupled with the positive electrode of the output end of the second optical coupler U2; one end of the third resistor string R3 is coupled with the cathode of the third thyristor Q3, and the other end of the third resistor string R3 is coupled with the battery cathode BAT-of the lead-acid storage battery 10 to be repaired; one end of the fourth resistor R4 is coupled with the negative electrode of the output end of the second optical coupler U2, and the other end of the fourth resistor R is grounded; one end of the fifth resistor R5 is coupled with the microprocessor 13, and the other end is grounded; one end of the sixth resistor R6 is coupled to one end of the third resistor string R3, and the other end of the sixth resistor R6 is coupled to one end of the fifth resistor R5.
For example, as shown in fig. 4, in the embodiment of the application, when the microprocessor 13 controls the second optocoupler U2 to be turned on, the second resistor R2 and the fourth resistor R4 are turned on, and the input voltage of the control electrode of the third thyristor Q3 is switched from the low level to the high level. At this time, the cathode and the anode of the third thyristor Q3 are turned on, so that the lead-acid storage battery 10 to be repaired is discharged through the third resistor string, and the microprocessor can control the discharge time of the lead-acid storage battery 10 to be repaired by controlling the turn-on time of the second optocoupler U2. The microprocessor 13 can calculate the internal resistance of the lead-acid battery 10 to be repaired by obtaining the discharge current at the RS detection point. The obtained internal resistance of the battery may be used to determine whether to turn on the pulse output unit 112 to output the forward spike.
In one possible embodiment, as shown in fig. 2, the power supply control module 15 includes a first conversion unit 151, a second conversion unit 152, a third conversion unit 153, and a transformation unit 154; the first conversion unit 151 is coupled to the VCC output of the pulse generating module 11, and is also coupled to the second conversion unit 152 and the transforming unit 154; the second conversion unit 152 is further coupled to the communication module 14 and the microprocessor 13; the third converting unit 153 is coupled to the transforming unit 154 and the communication module 14.
As shown in fig. 5, a circuit configuration diagram of a power supply control module 15 provided by the present application is exemplarily shown. The first conversion unit 151 receives the VCC voltage input, outputs 8V voltage to the second conversion unit 152, and the second conversion unit 152 outputs 3.3V to the communication module 14; the third conversion unit 153 receives the PWM signal control of the microprocessor 13 to control the power supply control module 15, and meanwhile, the third conversion unit 153 includes a dc transformer for converting the 8V voltage output from the first conversion unit 151 and outputting the converted 8V voltage to the third conversion unit 153, so that the third conversion unit 153 outputs the 5V voltage.
In one possible implementation, as shown in fig. 1, the circuit further includes a data display module 16; the data display module 16 is coupled to the microprocessor 13, and the data display module 16.
In the embodiment of the application, the microprocessor 13 can also transmit the detection data of the lead-acid storage battery to the display module, so as to realize the visualization of the state monitoring of the lead-acid storage battery.
The embodiment of the application can achieve the following beneficial effects through the circuit: the lead-acid storage battery is used for providing a power supply for the repairing circuit, so that the repairing circuit can be integrated into the lead-acid battery, and extra wiring and power supply are not needed when the lead-acid storage battery is repaired, and the repairing process of the lead-acid storage battery is simplified. In the repairing circuit, the lead-acid storage battery is used for providing power for the generation of the pulse, and the pulse generation module can be controlled by the microprocessor. The microprocessor can realize the shutdown of the whole repair circuit by controlling the shutdown of the electric energy management unit; the control of the output pulse of the pulse output unit is realized by controlling the turn-off of the first thyristor. The repairing circuit is enabled to select whether to perform pulse output or not by detecting the internal resistance of the lead-acid storage battery to be repaired, and the microprocessor is enabled to control the internal resistance detection module. The electric energy of the lead-acid storage battery can be used for providing voltage output of different voltage levels for the repair circuit, so that normal power supply of the whole repair circuit is ensured. The rectification of the output voltage of the lead-acid storage battery is realized, and the VCC voltage for the repair circuit is obtained. And can blow the fuse under the condition that the output voltage of the lead-acid storage battery is too high, thereby realizing the protection of a repair circuit.
The embodiment of the application provides a repairing method of a lead-acid storage battery, which is applied to any circuit, and comprises the following steps: acquiring sampling data of a sampling point RS, wherein the sampling data comprises the internal resistance of a battery; when the internal resistance of the battery is greater than or equal to the preset internal resistance, a control signal is sent to the pulse output unit, so that the pulse output unit sends forward sharp pulse to the lead-acid storage battery to be repaired; after a preset time, re-acquiring sampling data of the acquired sampling point RS; and stopping sending forward sharp pulse to the lead-acid storage battery to be repaired when the internal resistance of the battery is smaller than the preset internal resistance.
It should be noted that: in the test system provided in the above embodiment, when implementing the functions thereof, only the division of the above functional modules is used as an example, in practical application, the above functional allocation may be implemented by different functional modules according to needs, that is, the internal structure of the system is divided into different functional modules, so as to implement all or part of the functions described above.
For the foregoing embodiments, for simplicity of explanation, the same is shown as a series of acts, but it should be understood by those skilled in the art that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently in accordance with the application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all of the preferred embodiments, and that the acts and modules referred to are not necessarily required for the present application.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, such as the division of the units, merely a logical function division, and there may be additional manners of dividing the actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some service interface, device or unit indirect coupling or communication connection, electrical or otherwise.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable memory. Based on this understanding, the technical solution of the present application may be embodied essentially or partly in the form of a software product, or all or part of the technical solution, which is stored in a memory, and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned memory includes: various media capable of storing program codes, such as a U disk, a mobile hard disk, a magnetic disk or an optical disk.
The foregoing is merely exemplary embodiments of the present disclosure and is not intended to limit the scope of the present disclosure. That is, equivalent changes and modifications are contemplated by the teachings of this disclosure, which fall within the scope of the present disclosure. Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains.
Claims (5)
1. A repairing circuit of a lead-acid storage battery, which is characterized by comprising a pulse generating module (11), an internal resistance detecting module (12), a microprocessor (13), a communication module (14) and a power supply control module (15);
the pulse generation module (11) is respectively coupled with a battery anode (BAT+) and a battery cathode (BAT-) of the lead-acid storage battery (10) to be repaired, the pulse generation module (11) is also coupled with the microprocessor (13), and the VCC input end of the pulse generation module (11) is also coupled with the power supply control module (15);
the internal resistance detection module (12) is respectively coupled with a battery anode (BAT+) and a battery cathode (BAT-) of the lead-acid storage battery (10) to be repaired, and the internal resistance detection module (12) is also coupled with the microprocessor (13);
the communication module (14) is coupled with the microprocessor (13) and is also coupled with the power supply control module (15);
a power supply control module (15) is coupled with the microprocessor (13);
the pulse generation module (11) comprises a voltage input unit (111), a pulse output unit (112), an electric energy management unit (113), a first thyristor (Q1) and a first optocoupler (U1); the voltage input unit (111) is coupled with a battery anode (BAT+) of the lead-acid storage battery (10) to be repaired, is also coupled with the electric energy management unit (113), and is also coupled with the power supply control module (15); the pulse output unit (112) is coupled with a battery positive electrode (BAT+), a first thyristor (Q1) and a power management unit (113) of the lead-acid storage battery (10) to be repaired; the power management unit (113) is also coupled with the microprocessor (13); the control electrode of the first thyristor (Q1) is coupled with the positive electrode of the output end of the first optocoupler (U1); the input end of the first optical coupler (U1) is coupled with the microprocessor (13);
the voltage input unit (111) includes a first fuse (F1), a first resistor (R1), a first capacitor (C1), and a first diode (D1); one end of the first fuse is coupled with a battery anode (BAT+) of the lead-acid storage battery (10) to be repaired, and the other end of the first fuse is coupled with one end of the first resistor (R1); the other end of the first resistor (R1) is coupled with the anode of the first diode (D1); -the cathode of the first diode (D1) is coupled to the pulse output unit (112), the cathode of the first diode (D1) outputting a VCC voltage; the positive electrode of the first capacitor (C1) is coupled with the negative electrode of the first diode (D1), and the negative electrode of the first capacitor (C1) is grounded;
the power management unit (113) comprises a direct current voltage converter (TX), a first inductor (L1), a second diode (D2) and a second thyristor (Q2); -an enable terminal (EN) of the dc voltage converter (TX) is coupled to the microprocessor (13), a DRV port of the dc voltage converter (TX) being coupled to a control electrode of the second thyristor (Q2);
one end of the first inductor (L1) is coupled with the voltage input unit (111), and the other end of the first inductor is coupled with the anode of the second diode (D2); -the cathode of the second diode (D2) is coupled to the pulse output unit (112); -the anode of the second thyristor (Q2) is coupled to the anode of the second diode (D2), the cathode of the second thyristor (Q2) being grounded;
the pulse output unit (112) includes a second capacitor (C2), a third capacitor (C3), and a fourth capacitor (C4);
-the anode of the second capacitor (C2) is coupled to the cathode of the second diode (D2), the cathode of the second capacitor (C2) being grounded; -the positive electrode of the third capacitor (C3) is coupled to the negative electrode of the second diode (D2), the negative electrode of the third capacitor (C3) being grounded; -said fourth capacitor (C4) is connected in parallel with said second capacitor (C2);
the power supply control module (15) comprises a first conversion unit (151), a second conversion unit (152), a third conversion unit (153) and a transformation unit (154);
the first conversion unit (151) is coupled with the VCC output end of the pulse generation module (11), and is also coupled with the second conversion unit (152) and the voltage transformation unit (154);
the second conversion unit (152) is also coupled to the communication module (14) and microprocessor (13);
the third conversion unit (153) is coupled to the transformation unit (154) and to the communication module (14).
2. The circuit according to claim 1, characterized in that the internal resistance detection module (12) comprises an internal resistance detection unit (121) and a second optocoupler (U2);
the internal resistance detection unit (121) is coupled with a battery anode (BAT+) of the lead-acid storage battery (10) to be repaired, is also coupled with an output end of the second optical coupler (U2), and is also coupled with the microprocessor (13);
the second optocoupler (U2) is also coupled to the microprocessor (13).
3. The circuit according to claim 2, wherein the internal resistance detection unit (121) comprises a fourth diode (D4), a second resistor (R2), a third resistor string (R3), a fourth resistor (R4), a fifth resistor (R5), a sixth resistor (R6) and a third thyristor (Q3);
the anode of the fourth diode (D4) is coupled with the battery anode (BAT+) of the lead-acid storage battery (10) to be repaired, the cathode of the fourth diode (D4) is coupled with one end of a second resistor (R2), and the cathode of the fourth diode (D4) is also coupled with the anode of the third thyristor (Q3);
the other end of the second resistor (R2) is coupled with the positive electrode of the output end of the second optocoupler (U2);
one end of the third resistor string (R3) is coupled with the cathode of the third thyristor (Q3), and the other end of the third resistor string is coupled with the battery cathode (BAT-) of the lead-acid storage battery (10) to be repaired;
one end of the fourth resistor (R4) is coupled with the negative electrode of the output end of the second optocoupler (U2), and the other end of the fourth resistor is grounded;
one end of the fifth resistor (R5) is coupled with the microprocessor (13), and the other end of the fifth resistor is grounded;
one end of the sixth resistor (R6) is coupled with one end of the third resistor string (R3), and the other end of the sixth resistor (R6) is coupled with one end of the fifth resistor (R5).
4. The circuit according to claim 1, characterized in that it further comprises a data display module (16);
the data display module (16) is coupled with the microprocessor (13), and the data display module (16).
5. A method of repairing a lead acid battery, the method being applied to the circuit of any one of claims 1-4, the method comprising:
acquiring sampling data of a sampling point RS, wherein the sampling data comprises the internal resistance of a battery;
when the internal resistance of the battery is greater than or equal to a preset internal resistance, a control signal is sent to the pulse output unit (112) so that the pulse output unit (112) sends forward sharp pulses to the lead-acid storage battery (10) to be repaired;
after a preset time, re-acquiring sampling data of a sampling point RS;
and stopping sending forward spike to the lead-acid storage battery (10) to be repaired when the internal resistance of the battery is smaller than the preset internal resistance.
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| CN202310435862.6A CN116169384B (en) | 2023-04-22 | 2023-04-22 | Repairing circuit and method for lead-acid storage battery |
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| CN202310435862.6A CN116169384B (en) | 2023-04-22 | 2023-04-22 | Repairing circuit and method for lead-acid storage battery |
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| CN116169384A (en) | 2023-05-26 |
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