CN111812520B - A battery comprehensive fault detection and alarm device and method for realizing detection and alarm - Google Patents

Abstract

The invention discloses a comprehensive fault detection and alarm device of a storage battery and a method for realizing detection and alarm, wherein the device comprises a measurement and analog quantity digital quantity conversion module, a fault detection and alarm processing module, a communication transmission display module and a direct current power supply module; the output end of the measuring and analog quantity digital quantity conversion module is directly connected with the input end of the fault detection alarm processing module, and the output end of the fault detection alarm processing module is directly connected with the input end of the communication transmission display module; the output end of the direct current power supply module is respectively and directly connected with the power supply ends of the measuring and analog quantity digital quantity conversion module, the fault detection alarm processing module and the communication transmission display module. The comprehensive fault detection and alarm device for the storage battery can realize comprehensive detection and alarm of starting current, voltage and internal resistance of the storage battery.

Description

A battery comprehensive fault detection and alarm device and method for realizing detection and alarm

technical field

The invention relates to the technical field of automobile batteries, in particular to a battery comprehensive fault detection and alarm device and a method for realizing detection and alarm.

Background technique

The battery is an essential part of the car. When the vehicle starts normally, the battery needs to supply power to ignite and start the engine. When the vehicle is used normally, the battery is not conspicuous, and its main function is only in the few seconds of ignition when the car is started. Therefore, it is difficult for the car owner to detect whether the battery is good or bad. invalidated. Faced with the sudden failure of the battery, the car owner's life rhythm may be disrupted, and it will be a waste of time, and it will cost extra to hire someone to start the car.

With the continuous development of power detection technology, some cars have the function of prompting whether the battery is good or bad, but most of them simply measure the voltage of the battery, but the insufficient starting current of the battery may still cause the car to fail to ignite, and the battery inside When the resistance is too large, the measured battery voltage is not accurate enough. Therefore, how to automatically and intelligently realize the comprehensive fault detection and alarm of the battery is an urgent problem to be solved at present.

Contents of the invention

In order to improve the deficiencies of the prior art, the object of the present invention is to provide a battery comprehensive fault detection and warning device and a method for realizing detection and warning. With compartment cover); by judging the comprehensive detection of battery starting current, voltage and internal resistance and issuing alarms respectively. The storage battery comprehensive fault detection and alarm device and the method for realizing the detection and alarm automatically and intelligently realize the comprehensive detection and alarm of the storage battery.

In an embodiment of the present invention, a battery comprehensive fault detection and alarm device is provided, which is characterized in that it includes a measurement and analog to digital conversion module, a fault detection and alarm processing module, a communication transmission display module and a DC power supply module; the measurement and the output end of the analog-to-digital conversion module is directly connected to the input end of the fault detection and alarm processing module, and the output end of the fault detection and alarm processing module is directly connected to the input end of the communication transmission display module; the DC power supply module The output terminals of the power supply terminals of the measurement and analog-to-digital conversion module, the fault detection and alarm processing module, and the communication transmission display module are directly connected respectively. The battery comprehensive fault detection and alarm device can realize the comprehensive detection and alarm of the starting current, voltage and internal resistance of the battery.

The measurement and analog-to-digital conversion module includes a first measurement conversion module, a second measurement conversion module, and a shaping filter module; the first measurement conversion module includes a current input interface, a first operational amplifier, a first diode, The first sliding rheostat, the first filter, and the first digital output interface; the current input interface is directly connected to the starting current measurement circuit of the storage battery, and the current input interface is also directly connected to the input end of the first operational amplifier; The output terminal of the first operational amplifier is directly connected to the anode of the first diode, and the cathode of the first diode is directly connected to one end of the first sliding rheostat; the other end of the first sliding rheostat is directly connected to connected to the ground, the sliding end of the first sliding rheostat is directly connected to one end of the first filter; the other end of the first filter is directly connected to the ground, and one end of the filter is also directly connected to the first digital quantity output interface.

The second measurement conversion module includes a first measurement input interface, a second measurement input interface, a first chip, a second operational amplifier, a third operational amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, The fifth resistor, the first capacitor, the second capacitor, the second digital output interface and the system power supply; the first measurement input interface is directly connected to the positive pole of the battery, and the second measurement input interface is directly connected to the negative pole of the battery; the The second pin of the first chip is directly connected to the first measurement input interface, the fourth pin of the first chip is directly connected to the second measurement input interface; the seventh pin of the first chip is directly connected to the system The positive pole of the power supply, the eighth pin of the first chip is directly connected to the negative pole of the system power supply; the fifth pin of the first chip is directly connected to the first pin of the second operational amplifier, the The sixth pin is directly connected to the second pin of the second operational amplifier; the third pin of the second operational amplifier is directly connected to one end of the first resistor, and the other end of the first resistor is directly connected to the second The third pin of the operational amplifier; the fourth pin of the second operational amplifier is directly connected to the ground, and the fifth pin of the second operational amplifier is directly connected to one end of the second resistor; the first pin of the first chip and the third pin is floating; the type of the first chip is CD4052.

The other end of the second resistor is directly connected to one end of the fourth resistor, and the other end of the fourth resistor is directly connected to the first pin of the third operational amplifier; one end of the third resistor is directly connected to the One end of the fourth resistor, the other end of the third resistor is directly connected to the fifth pin of the third operational amplifier; one end of the fifth resistor is directly connected to one end of the first capacitor, and the other end of the fifth resistor The other end is directly connected to the second pin of the third operational amplifier; one end of the first capacitor is directly connected to ground, and the other end of the first capacitor is directly connected to one end of the fourth resistor; One end is directly connected to the first pin of the third operational amplifier, and the other end of the second capacitor is directly connected to the fifth pin of the third operational amplifier; the fifth pin of the third operational amplifier is also directly connected to the The second digital output interface.

The shaping filter module includes a shaping module input interface, a fourth operational amplifier, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a second diode, a first three Pole tube, shaping module output interface and system power supply.

The input interface of the shaping module is directly connected to the second digital output interface of the second measurement module, one end of the sixth resistor is directly connected to the input interface of the shaping module, and the other end of the sixth resistor is directly connected to The first pin of the fourth operational amplifier; one end of the seventh resistor is directly connected to the negative pole of the system power supply, and the other end of the seventh resistor is directly connected to the second pin of the fourth operational amplifier; the One end of the eighth resistor is directly connected to the positive pole of the system power supply, the other end of the eighth resistor is directly connected to the second pin of the fourth operational amplifier; one end of the ninth resistor is directly connected to the fourth operational amplifier the fourth pin of the ninth resistor, the other end of the ninth resistor is directly connected to one end of the tenth resistor, and the other end of the tenth resistor is directly connected to the base of the first triode; the fourth operational amplifier The third pin of the fourth operational amplifier is directly connected to the negative pole of the system power supply, the fourth pin of the fourth operational amplifier is directly connected to the positive pole of the system power supply, and the fifth pin of the fourth operational amplifier is directly connected to the tenth resistor. One end; the collector of the first triode is directly connected to one end of the eleventh resistor, and the other end of the eleventh resistor is directly connected to the positive pole of the system power supply; the emitter of the first triode pole is directly connected to the anode of the second diode, and the cathode of the second diode is directly connected to the base of the first triode; the collector of the first triode is also directly connected to the Shaping module output interface. The second measurement conversion module and the shaping and filtering module ensure the accuracy and amplification of the collected weak signals.

The fault detection alarm processing module includes a starting current detection module, a voltage detection module, an internal resistance detection module and an alarm processing module; the current detection module includes a current detection input interface, a current standard input interface, a second chip, and a current detection output interface and system power supply; the current detection input interface is directly connected to the first digital output interface of the first measurement conversion module; the current standard input interface is directly connected to the external starting current standard value setting program; the second The first pin of the chip is directly connected to the positive pole of the system power supply, the second pin of the second chip is directly connected to the negative pole of the system power supply, and the third pin of the second chip is directly connected to the current detection input interface, The fourth pin of the second chip is directly connected to the current standard input interface, the fifth pin of the second chip is directly connected to the current detection output interface, the sixth pin of the second chip is suspended, and the first The type of the second chip is FX-34.

The voltage detection module includes a first voltage input interface, a second voltage input interface, a third chip, a first relay, a voltage detection output interface and a system power supply; the first voltage input interface is directly connected to the positive pole of the battery, and the second The two voltage input terminals are directly connected to the negative pole of the battery; the first pin of the third chip is directly connected to the positive pole of the system power supply, the second pin of the third chip is directly connected to the negative pole of the system power supply, and the third pin is directly connected to the negative pole of the system power supply. The third pin of the chip is directly connected to the first voltage input interface, the fourth pin of the third chip is directly connected to the second voltage input interface, and the fifth pin of the third chip is directly connected to the first relay The negative pole of the coil of the third chip is directly connected to the negative pole of the system power supply; the positive pole of the coil of the first relay is directly connected to the positive pole of the system power supply, and the positive pole of the coil of the first relay is also directly connected to the The first node of the first relay and the second node of the first relay are directly connected to the voltage detection output interface, and the model of the third chip is DF3-D-D-V3-B-P3.

The third chip can be set with a standard voltage value to determine whether the detected voltage value meets the requirements; the first relay is a time relay, and a delay time can be set to avoid false alarms caused by voltage fluctuations.

The internal resistance detection module includes an internal resistance detection input interface, an internal resistance standard input interface, a fourth chip, a fifth operational amplifier, a twelfth resistor, a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, a tenth resistor Sixth resistor, seventeenth resistor, eighteenth resistor, nineteenth resistor, twentieth resistor, internal resistance detection output interface and system power supply.

The internal resistance detection input interface is directly connected to the output interface of the shaping module; the internal resistance standard input interface is directly connected to the external internal resistance standard value setting program; one end of the twelfth resistor is directly connected to the internal resistance detection input interface, the other end of the twelfth resistor is directly connected to the second pin of the fourth chip; one end of the thirteenth resistor is directly connected to the internal resistance detection input interface, and the other end of the thirteenth resistor directly connected to the first pin of the fourth chip; one end of the fourteenth resistor is directly connected to the first pin of the fifth operational amplifier, and the other end of the fourteenth resistor is directly connected to the fourth chip. The fourth pin; one end of the fifteenth resistor is directly connected to the first pin of the fifth operational amplifier, and the other end of the fifteenth resistor is directly connected to the third pin of the fourth chip; the fourth The second pin of the chip is directly connected to one end of the sixteenth resistor, the third pin of the fourth chip is directly connected to one end of the sixteenth resistor, and the fifth pin of the fourth chip is directly connected to the first The other end of the sixteenth resistor; the seventh pin of the fourth chip is directly connected to one end of the seventeenth resistor, and the other end of the seventeenth resistor is directly connected to the negative pole of the system power supply; the fourth chip The eighth pin of the chip is directly connected to one end of the eighteenth resistor, and the other end of the eighteenth resistor is directly connected to the negative pole of the system power supply; the ninth pin of the fourth chip is directly connected to the nineteenth resistor The other end of the nineteenth resistor is directly connected to the negative pole of the system power supply; the tenth pin of the fourth chip is directly connected to one end of the twentieth resistor, and the other end of the twentieth resistor directly connected to the negative pole of the system power supply; the eleventh pin of the fourth chip is directly connected to the positive pole of the system power supply, the twelfth pin of the fourth chip is directly connected to the negative pole of the system power supply, and the first The sixth pin of the four chips is suspended; the second pin of the fifth operational amplifier is directly connected to the internal resistance standard input interface, and the third pin of the fifth operational amplifier is directly connected to the internal resistance detection output interface.

The alarm processing module includes a first processing input interface, a second processing input interface, a third processing input interface, a fifth chip, a voltage detection instant first interface, a voltage detection instant second interface, a first alarm indicator light, a second Alarm indicator light, third alarm indicator light, alarm buzzer, fault detection output interface and system power supply.

The first processing input interface is directly connected to the current detection output interface, the second processing input interface is directly connected to the voltage detection output interface, and the third processing input interface is directly connected to the internal resistance detection output interface; The first interface of the voltage detection instant is directly connected to the positive pole of the storage battery, and the first interface is directly connected to the negative pole of the storage battery at the instant of voltage detection; the first pin of the fifth chip is directly connected to the positive pole of the system power supply, and the fifth chip The second pin of the fifth chip is directly connected to the negative pole of the system power supply; the third pin of the fifth chip is directly connected to the first processing input interface, and the fourth pin of the fifth chip is directly connected to the second processing input interface The fifth pin of the fifth chip is directly connected to the third processing input interface; the sixth pin of the fifth chip is directly connected to the first interface for voltage detection instant, and the seventh pin of the fifth chip is directly connected Connect the voltage detection instant second interface; the eighth pin of the fifth chip is directly connected to one end of the first warning indicator light, and the other end of the first warning indicator light is directly connected to the alarm buzzer One end; the ninth pin of the fifth chip is directly connected to one end of the second warning indicator light, and the other end of the second warning indicator light is directly connected to one end of the alarm buzzer; the fifth chip’s The tenth pin is directly connected to one end of the third warning indicator light, and the other end of the third warning indicator light is directly connected to one end of the warning buzzer; the other end of the warning buzzer is directly connected to the system The negative pole of the power supply; the eleventh pin of the fifth chip is directly connected to the fault detection output interface.

The fifth chip judges the instantaneous battery voltage drop value jointly detected by the voltage detection instant first interface and the voltage detection instant second interface, and when the instantaneous battery voltage drop value exceeds the set value, it is considered that the car starts , if there is detected record information that needs to be alarmed, the fifth chip outputs at this time. Current detection alarm information is output from the eighth pin of the fifth chip, so that the first warning indicator light is in the first state; voltage detection alarm information is output from the ninth pin of the fifth chip, so that the The second warning indicator light is in the third state; the internal resistance detection alarm information is output from the tenth pin of the fifth chip, so that the third warning indicator light is in the fifth state.

When the first warning indicator light is in the first state, the alarm processing module issues a current detection alarm, and the alarm buzzer emits a buzzer; when the first warning indicator light is in the same state as the In the second state different from the first state, the alarm processing module does not issue a current detection alarm;

When the second warning indicator light is in the third state, the alarm processing module issues a voltage detection alarm, and the alarm buzzer emits a buzzer; when the second warning indicator light is in the same state as the In the fourth state different from the third state, the alarm processing module does not issue a voltage detection alarm;

When the third warning indicator light is in the fifth state, the alarm processing module sends an internal resistance detection alarm, and the alarm buzzer emits a buzzer; when the third warning indicator light is in the same state as the In the sixth state different from the fifth state, the alarm processing module does not issue an internal resistance detection alarm.

The communication transmission display module includes a communication input interface, a communication conversion module and a communication output interface; the communication input interface is directly connected to the fault detection output interface of the alarm processing module; the input end of the communication conversion module is directly connected to the communication an input interface, and the output end of the communication conversion module is directly connected to the communication output interface.

The DC power supply module includes a positive input terminal of a power supply, a negative input terminal of a power supply, a sixth chip, a third capacitor, a fourth capacitor, a positive output terminal of a regulated power supply, and a negative output terminal of a regulated power supply; the positive input terminal of the power supply is directly connected to The first pin of the sixth chip, the negative input terminal of the power supply is directly connected to the third pin of the sixth chip; one end of the third capacitor is directly connected to the first pin of the sixth chip, the first The other end of the third capacitor is directly connected to the third pin of the sixth chip; one end of the fourth capacitor is directly connected to the second pin of the sixth chip, and the other end of the fourth capacitor is directly connected to the sixth The third pin of the chip; the positive output terminal of the regulated power supply is directly connected to the second pin of the sixth chip, the negative output terminal of the regulated power supply is directly connected to the third pin of the sixth chip, and the sixth The model number of the chip is 7805.

A method for realizing detection and warning by a storage battery comprehensive fault detection and warning device, characterized in that it comprises the following steps:

(1) Realize the measurement of the starting current value of the battery and compare it with the standard value. If it is higher than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded;

(2) Realize the measurement of the stable voltage value of the battery and compare it with the standard value. If it is higher than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded;

(3) Realize the measurement of the internal resistance of the battery and compare it with the standard value. If it is lower than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded;

(4) After the alarm processing module detects that the instantaneous voltage drop of the battery reaches the voltage drop threshold, it releases the recorded information and triggers the alarm indicator light and the alarm buzzer.

The battery comprehensive fault detection and alarm device provided by the present invention includes a measurement and analog-to-digital conversion module, a fault detection and alarm processing module, a communication transmission display module, and a DC power supply module; the output terminal of the measurement and analog-to-digital conversion module directly connected to the input of the fault detection and alarm processing module, the output of the fault detection and alarm processing module is directly connected to the input of the communication transmission display module; the output of the DC power module is directly connected to the measurement and The power supply end of the analog-to-digital conversion module, the fault detection and alarm processing module, and the communication transmission display module. The storage battery comprehensive fault detection and alarm device realizes the comprehensive detection and alarm of the starting current, voltage and internal resistance of the storage battery.

The technical solution of the present invention has the following technical effects:

(1) The three-element judgment detection is set up, the battery starting current value judgment detection, the battery stable voltage value judgment detection, the battery internal resistance value judgment detection, and the comprehensive detection of the battery can be realized;

(2) The configuration of the current standard input interface, voltage standard value, and internal resistance standard input interface allows different detection standards to be set for different types of storage values, completely eliminating the waste of battery life due to different standards;

(3) The alarm processing module adopted can automatically determine the time when the detection alarm is issued, which ensures that the alarm is confirmed by the vehicle owner and can prevent further deterioration of battery power consumption due to the detection alarm;

(4) The uniquely designed conversion circuit structure ensures the quality of the measurement data;

(5) The power and communication connection of the display module is transmitted through communication, which realizes the remote monitoring of battery status information. The owner can choose different versions such as Bluetooth and Internet of Things communication to ensure the safety of the battery.

Description of drawings

In order to more clearly illustrate the specific implementation of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the specific implementation or description of the prior art. Obviously, the accompanying drawings in the following description The drawings show some implementations of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

Fig. 1 is a composition diagram of the first measurement conversion module of the storage battery comprehensive fault detection and warning device of the present invention;

Fig. 2 is a composition diagram of the second measurement conversion module of the storage battery comprehensive fault detection and alarm device of the present invention;

Fig. 3 is a composition diagram of the shaping and filtering module of the storage battery comprehensive fault detection and alarm device of the present invention;

Fig. 4 is a composition diagram of the current detection module of the storage battery comprehensive fault detection and alarm device of the present invention;

Fig. 5 is a composition diagram of the voltage detection module of the battery comprehensive fault detection and alarm device of the present invention;

Fig. 6 is a composition diagram of the internal resistance detection module of the battery comprehensive fault detection and alarm device of the present invention;

Fig. 7 is a composition diagram of the alarm processing module of the battery comprehensive fault detection and alarm device of the present invention;

Fig. 8 is a composition diagram of the DC power supply module of the battery comprehensive fault detection and alarm device of the present invention;

Fig. 9 is a flow chart of the detection and alarm method of the present invention.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that terms such as “first”, “second” and “third” are used for description purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "communication" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated Ground connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Please refer to attached drawings 1, 2, 3, 4, 5, 6, 7, and 8.

A battery comprehensive fault detection and alarm device, which includes a measurement and analog-to-digital conversion module, a fault detection and alarm processing module, a communication transmission display module, and a DC power supply module; the output terminals of the measurement and analog-to-digital conversion module are directly connected The input end of the fault detection alarm processing module, the output end of the fault detection alarm processing module is directly connected to the input end of the communication transmission display module; the output end of the DC power supply module is directly connected to the measurement and analog The digital quantity conversion module, the fault detection and alarm processing module, and the power supply terminal of the communication transmission display module. The battery comprehensive fault detection and alarm device can realize the comprehensive detection and alarm of the starting current, voltage and internal resistance of the battery.

The measurement and analog-to-digital conversion module includes a first measurement conversion module, a second measurement conversion module, and a shaping filter module; the first measurement conversion module includes a current input interface, a first operational amplifier A1, a first diode D1, the first sliding rheostat RL1, the first filter L1 and the first digital output interface; the current input interface is directly connected to the starting current measurement circuit of the storage battery, and the current input interface is also directly connected to the first operational amplifier A1 The input terminal of the first operational amplifier A1 is directly connected to the anode of the first diode D1, and the cathode of the first diode D1 is directly connected to one end of the first sliding rheostat RL1; The other end of the first sliding rheostat RL1 is directly connected to the ground, and the sliding end of the first sliding rheostat RL1 is directly connected to one end of the first filter L1; the other end of the first filter L1 is directly connected to the ground, so One end of the filter L1 is also directly connected to the first digital output interface.

The second measurement conversion module includes a first measurement input interface, a second measurement input interface, a first chip U1, a second operational amplifier A2, a third operational amplifier A3, a first resistor R1, a second resistor R2, a third resistor R3, the fourth resistor R4, the fifth resistor R5, the first capacitor C1, the second capacitor C2, the second digital output interface and the system power supply; the first measurement input interface is directly connected to the positive pole of the storage battery, and the second measurement input interface The input interface is directly connected to the negative pole of the storage battery; the second pin of the first chip U1 is directly connected to the first measurement input interface, and the fourth pin of the first chip U1 is directly connected to the second measurement input interface; The seventh pin of the first chip U1 is directly connected to the positive pole +S of the system power supply, the eighth pin of the first chip U1 is directly connected to the negative pole -S of the system power supply; the fifth pin of the first chip U1 The first pin of the second operational amplifier A2 is directly connected, the sixth pin of the first chip U1 is directly connected to the second pin of the second operational amplifier A2; the third pin of the second operational amplifier A2 is directly connected Connect one end of the first resistor R1, the other end of the first resistor R1 is directly connected to the third pin of the second operational amplifier A2; the fourth pin of the second operational amplifier A2 is directly connected to the ground, the The fifth pin of the second operational amplifier A2 is directly connected to one end of the second resistor R2.

The other end of the second resistor R2 is directly connected to one end of the fourth resistor R4, and the other end of the fourth resistor R4 is directly connected to the first pin of the third operational amplifier A3; One end is directly connected to one end of the fourth resistor R4, the other end of the third resistor R3 is directly connected to the fifth pin of the third operational amplifier A3; one end of the fifth resistor R5 is directly connected to the first capacitor One end of C1, the other end of the fifth resistor R5 is directly connected to the second pin of the third operational amplifier A3; one end of the first capacitor C1 is directly connected to the ground, and the other end of the first capacitor C1 is directly connected to One end of the fourth resistor R4; one end of the second capacitor C2 is directly connected to the first pin of the third operational amplifier A3, and the other end of the second capacitor C2 is directly connected to the third operational amplifier A3. Fifth pin: the fifth pin of the third operational amplifier A3 is also directly connected to the second digital output interface.

The shaping filter module includes a shaping module input interface, a fourth operational amplifier A4, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a second Diode D2, first triode Q1, output interface of shaping module and system power supply.

The input interface of the shaping module is directly connected to the second digital output interface of the second measurement module, one end of the sixth resistor R6 is directly connected to the input interface of the shaping module, and the other end of the seventh resistor R7 directly connected to the first pin of the fourth operational amplifier A4; one end of the seventh resistor R7 is directly connected to the negative pole -S of the system power supply, and the other end of the seventh resistor R7 is directly connected to the fourth operational amplifier The second pin of A4; one end of the eighth resistor R8 is directly connected to the positive pole +S of the system power supply, and the other end of the eighth resistor R8 is directly connected to the second pin of the fourth operational amplifier A4; the One end of the ninth resistor R9 is directly connected to the fourth pin of the fourth operational amplifier A4, the other end of the ninth resistor R9 is directly connected to one end of the tenth resistor R10, and the other end of the tenth resistor R10 is directly connected to the fourth pin of the fourth operational amplifier A4. connected to the base of the first triode Q1; the third pin of the fourth operational amplifier A4 is directly connected to the negative pole-S of the system power supply, and the fourth pin of the fourth operational amplifier A4 is directly connected to the The positive pole +S of the system power supply, the fifth pin of the fourth operational amplifier A4 is directly connected to one end of the tenth resistor R10; the collector of the first triode Q1 is directly connected to the eleventh resistor R11 The other end of the eleventh resistor R11 is directly connected to the positive pole +S of the system power supply; the emitter of the first triode Q1 is directly connected to the anode of the second diode D2, and the first The cathode of the second diode D2 is directly connected to the base of the first transistor Q1; the collector of the first transistor Q1 is also directly connected to the output interface of the shaping module. The second measurement conversion module and the shaping and filtering module ensure the accuracy and amplification of the collected weak signals.

The fault detection alarm processing module includes a starting current detection module, a voltage detection module, an internal resistance detection module and an alarm processing module; the current detection module includes a current detection input interface, a current standard input interface, a second chip U2, and a current detection output interface and system power supply; the current detection input interface is directly connected to the first digital output interface of the first measurement conversion module; the current standard input interface is directly connected to the external starting current standard value setting program; the second The first pin of the second chip U2 is directly connected to the positive pole +S of the system power supply, the second pin of the second chip U2 is directly connected to the negative pole -S of the system power supply, and the third pin of the second chip U2 is directly connected to the positive pole +S of the system power supply. connected to the current detection input interface, the fourth pin of the second chip U2 is directly connected to the current standard input interface, and the fifth pin of the second chip U2 is directly connected to the current detection output interface.

The voltage detection module includes a first voltage input interface, a second voltage input interface, a third chip U3, a first relay KT, a voltage detection output interface and a system power supply; the first voltage input interface is directly connected to the positive pole of the storage battery, so The second voltage input terminal is directly connected to the negative pole of the battery; the first pin of the third chip U3 is directly connected to the positive pole +S of the system power supply, and the second pin of the third chip U3 is directly connected to the positive pole +S of the system power supply. Negative pole-S, the third pin of the third chip U3 is directly connected to the first voltage input interface, the fourth pin of the third chip U3 is directly connected to the second voltage input interface, and the third chip U3 The fifth pin of the first relay KT is directly connected to the negative pole of the coil of the first relay KT, the sixth pin of the third chip U3 is directly connected to the negative pole-S of the system power supply; the positive pole of the coil of the first relay KT is directly connected to the The positive pole +S of the system power supply, the positive pole of the coil of the first relay KT is also directly connected to the first node of the first relay KT, and the second node of the first relay KT is directly connected to the voltage detection output interface.

The third chip U3 can set a standard voltage value to determine whether the detected voltage value meets the requirements; the first relay KT is a time relay, and a delay time can be set to avoid false alarms caused by voltage fluctuations.

The internal resistance detection module includes an internal resistance detection input interface, an internal resistance standard input interface, a fourth chip U4, a fifth operational amplifier A5, a twelfth resistor R12, a thirteenth resistor R13, a fourteenth resistor R14, a tenth resistor Fifth resistor R15, sixteenth resistor R16, seventeenth resistor R17, eighteenth resistor R18, nineteenth resistor R19, twentieth resistor R20, internal resistance detection output interface and system power supply.

The internal resistance detection input interface is directly connected to the output interface of the shaping module; the internal resistance standard input interface is directly connected to the external internal resistance standard value setting program; one end of the twelfth resistor R12 is directly connected to the internal resistance detection Input interface, the other end of the twelfth resistor R12 is directly connected to the second pin of the fourth chip U4; one end of the thirteenth resistor R13 is directly connected to the internal resistance detection input interface, and the thirteenth resistor R13 is directly connected to the internal resistance detection input interface. The other end of the resistor R13 is directly connected to the first pin of the fourth chip U4; one end of the fourteenth resistor R14 is directly connected to the first pin of the fifth operational amplifier A5, and the other end of the fourteenth resistor R14 One end is directly connected to the fourth pin of the fourth chip U4; one end of the fifteenth resistor R15 is directly connected to the first pin of the fifth operational amplifier A5, and the other end of the fifteenth resistor R15 is directly connected to the The third pin of the fourth chip U4; the second pin of the fourth chip U4 is directly connected to one end of the sixteenth resistor R16, and the third pin of the fourth chip U4 is directly connected to the sixteenth resistor One end of R16, the fifth pin of the fourth chip U4 is directly connected to the other end of the sixteenth resistor R16; the seventh pin of the fourth chip U4 is directly connected to one end of the seventeenth resistor R17, so The other end of the seventeenth resistor R17 is directly connected to the negative pole -S of the system power supply; the eighth pin of the fourth chip U4 is directly connected to one end of the eighteenth resistor R18, and the eighth pin of the eighteenth resistor R18 The other end is directly connected to the negative pole -S of the system power supply; the ninth pin of the fourth chip U4 is directly connected to one end of the nineteenth resistor R19, and the other end of the nineteenth resistor R19 is directly connected to the system Negative pole-S of the power supply; the tenth pin of the fourth chip U4 is directly connected to one end of the twentieth resistor R20, and the other end of the twentieth resistor R20 is directly connected to the negative pole-S of the system power supply; The eleventh pin of the fourth chip U4 is directly connected to the positive pole +S of the system power supply, and the twelfth pin of the fourth chip U4 is directly connected to the negative pole -S of the system power supply; the fifth operational amplifier A5 The second pin of the fifth operational amplifier A5 is directly connected to the internal resistance standard input interface, and the third pin of the fifth operational amplifier A5 is directly connected to the internal resistance detection output interface.

The alarm processing module includes a first processing input interface, a second processing input interface, a third processing input interface, a fifth chip U5, a first interface for voltage detection instant, a second interface for voltage detection instant, a first alarm indicator light T1, The second warning indicator light T2, the third warning indicator light T3, the warning buzzer B, the fault detection output interface and the system power supply.

The first processing input interface is directly connected to the current detection output interface, the second processing input interface is directly connected to the voltage detection output interface, and the third processing input interface is directly connected to the internal resistance detection output interface; The first interface of the voltage detection instant is directly connected to the positive pole of the storage battery, and the first interface is directly connected to the negative pole of the storage battery at the instant of voltage detection; the first pin of the fifth chip U5 is directly connected to the positive pole +S of the system power supply. The second pin of the fifth chip U5 is directly connected to the negative pole-S of the system power supply; the third pin of the fifth chip U5 is directly connected to the first processing input interface, and the fourth pin of the fifth chip U5 is directly connected to connected to the second processing input interface, the fifth pin of the fifth chip U5 is directly connected to the third processing input interface; the sixth pin of the fifth chip U5 is directly connected to the voltage detection instant first interface, The seventh pin of the fifth chip U5 is directly connected to the voltage detection instant second interface; the eighth pin of the fifth chip U5 is directly connected to one end of the first warning indicator light T1, and the first warning indicator The other end of the lamp T1 is directly connected to one end of the alarm buzzer B; the ninth pin of the fifth chip U5 is directly connected to one end of the second alarm indicator T2, and the other end of the second alarm indicator T2 One end is directly connected to one end of the warning buzzer B; the tenth pin of the fifth chip U5 is directly connected to one end of the third warning indicator light T3, and the other end of the third warning indicator light T3 is directly connected to the One end of the alarm buzzer B; the other end of the alarm buzzer B is directly connected to the negative pole -S of the system power supply; the eleventh pin of the fifth chip U5 is directly connected to the fault detection output interface.

The fifth chip U5 judges the instantaneous battery voltage drop value jointly detected by the voltage detection instant first interface and the voltage detection instant second interface. Start, if there is detected record information that needs to be alarmed, the fifth chip U5 outputs at this time. The current detection alarms the eighth pin output of the fifth chip U5, so that the first warning indicator light T1 is in the first state; the voltage detection alarms the ninth pin output of the fifth chip U5, so that the first alarm indicator light T1 is in the first state; The second warning indicator light T2 is in the third state; the internal resistance detection alarms the tenth pin output of the fifth chip U5, so that the third warning indicator light T3 is in the fifth state.

When the first warning indicator light T1 is in the first state, the alarm processing module issues a current detection alarm, and the alarm buzzer B emits a buzzer; when the first warning indicator light T1 is in the In the second state different from the first state, the alarm processing module does not issue a current detection alarm;

When the second warning indicator light T2 is in the third state, the alarm processing module sends a voltage detection alarm, and the alarm buzzer B emits a buzzer; when the second warning indicator light T2 is in the In the fourth state different from the third state, the alarm processing module does not issue a voltage detection alarm;

When the third warning indicator light T3 is in the fifth state, the alarm processing module sends an internal resistance detection alarm, and the alarm buzzer B emits a buzzer; when the third warning indicator light T3 When in the sixth state different from the fifth state, the alarm processing module does not issue an internal resistance detection alarm.

The communication transmission display module includes a communication input interface, a communication conversion module and a communication output interface; the communication input interface is directly connected to the fault detection output interface of the alarm processing module; the input end of the communication conversion module is directly connected to the communication an input interface, and the output end of the communication conversion module is directly connected to the communication output interface.

The DC power supply module includes a positive input terminal of a power supply, a negative input terminal of a power supply, a sixth chip U6, a third capacitor C3, a fourth capacitor C4, a positive output terminal of a regulated power supply, and a negative output terminal of a regulated power supply; the positive input terminal of the power supply terminal is directly connected to the first pin of the sixth chip U6, the negative input terminal of the power supply is directly connected to the third pin of the sixth chip U6; one end of the third capacitor C3 is directly connected to the pin of the sixth chip U6 The first pin, the other end of the third capacitor C3 is directly connected to the third pin of the sixth chip U6; one end of the fourth capacitor C4 is directly connected to the second pin of the sixth chip U6, and the second pin of the sixth chip U6 is directly connected to one end of the fourth capacitor C4. The other end of the four-capacitor C4 is directly connected to the third pin of the sixth chip U6; the positive output terminal of the regulated power supply is directly connected to the second pin of the sixth chip U6, and the negative output terminal of the regulated power supply is directly connected to The third pin of the sixth chip U6.

Please refer to attached drawing 9.

A battery comprehensive fault detection and warning device and a method for realizing detection and warning, characterized in that it comprises the following steps:

(1) Realize the measurement of the starting current value of the battery and compare it with the standard value. If it is higher than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded;

(2) Realize the measurement of the stable voltage value of the battery and compare it with the standard value. If it is higher than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded;

(3) Realize the measurement of the internal resistance of the battery and compare it with the standard value. If it is lower than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded;

(4) After the alarm processing module detects that the instantaneous voltage drop of the battery reaches the voltage drop threshold, it releases the recorded information and triggers the alarm indicator light and the alarm buzzer.

The battery comprehensive fault detection and alarm device provided by the present invention includes a measurement and analog-to-digital conversion module, a fault detection and alarm processing module, a communication transmission display module, and a DC power supply module; the output terminal of the measurement and analog-to-digital conversion module directly connected to the input of the fault detection and alarm processing module, the output of the fault detection and alarm processing module is directly connected to the input of the communication transmission display module; the output of the DC power module is directly connected to the measurement and The power supply end of the analog-to-digital conversion module, the fault detection and alarm processing module, and the communication transmission display module. The battery comprehensive fault detection and alarm device can realize the comprehensive detection and alarm of the starting current, voltage and internal resistance of the battery.

The technical solution of the present invention has the following technical effects: the three-element judgment detection is set, the battery starting current value judgment detection, the battery stable voltage value judgment detection, the battery internal resistance value judgment detection, and the comprehensive detection of the battery can be realized; the current standard input interface, The configuration of voltage standard value and internal resistance standard input interface makes it possible to set different detection standards for different types of storage values, which can completely eliminate the waste of battery life caused by different standards; the alarm processing module adopted can automatically determine The time when the detection alarm is issued ensures that the alarm is confirmed by the car owner and can prevent further deterioration of the battery due to detection alarm; the uniquely designed conversion circuit structure ensures the quality of the measurement data; the power and communication connection of the display module are transmitted through communication to realize In addition to the remote monitoring of battery status information, car owners can choose different versions such as Bluetooth and IoT communication to ensure the safety of the battery.

It should be noted that at last: above-mentioned each embodiment is only in order to illustrate technical scheme of the present invention, and is not intended to limit; Although the present invention has been described in detail with reference to foregoing each embodiment, those of ordinary skill in the art should understand that:

It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. range.

Claims (9)

1. A storage battery comprehensive fault detection and alarm device, characterized in that, comprising measurement and analog digital conversion module, fault detection alarm processing module, communication transmission display module and DC power supply module; said measurement and analog digital conversion module The output end of the fault detection and alarm processing module is directly connected to the input end of the fault detection and alarm processing module, and the output end of the fault detection and alarm processing module is directly connected to the input end of the communication transmission display module; the output ends of the DC power supply module are respectively directly connected to the The measurement and analog-to-digital conversion module, the fault detection and alarm processing module, and the power supply end of the communication transmission display module; The measurement and analog-to-digital conversion module includes a first measurement conversion module, a second measurement conversion module, and a shaping and filtering module; The first measurement conversion module includes a current input interface, a first operational amplifier, a first diode, a first sliding rheostat, a first filter, and a first digital output interface; the current input interface is directly connected to the starting A current measurement circuit, the current input interface is also directly connected to the input terminal of the first operational amplifier; the output terminal of the first operational amplifier is directly connected to the anode of the first diode, and the first diode The cathode of the first sliding rheostat is directly connected to one end of the first sliding rheostat; the other end of the first sliding rheostat is directly connected to the ground, and the sliding end of the first sliding rheostat is directly connected to one end of the first filter; the first The other end of the filter is directly connected to the ground, and one end of the filter is also directly connected to the first digital output interface; The second measurement conversion module includes a first measurement input interface, a second measurement input interface, a first chip, a second operational amplifier, a third operational amplifier, a first resistor, a second resistor, a third resistor, a fourth resistor, The fifth resistor, the first capacitor, the second capacitor, the second digital output interface and the system power supply; the first measurement input interface is directly connected to the positive pole of the battery, and the second measurement input interface is directly connected to the negative pole of the battery; the The second pin of the first chip is directly connected to the first measurement input interface, the fourth pin of the first chip is directly connected to the second measurement input interface; the seventh pin of the first chip is directly connected to the system The positive pole of the power supply, the eighth pin of the first chip is directly connected to the negative pole of the system power supply; the fifth pin of the first chip is directly connected to the first pin of the second operational amplifier, the The sixth pin is directly connected to the second pin of the second operational amplifier; the third pin of the second operational amplifier is directly connected to one end of the first resistor, and the other end of the first resistor is directly connected to the second The third pin of the operational amplifier; the fourth pin of the second operational amplifier is directly connected to the ground, and the fifth pin of the second operational amplifier is directly connected to one end of the second resistor; the other end of the second resistor is directly connected to the ground. Connect one end of the fourth resistor, the other end of the fourth resistor is directly connected to the first pin of the third operational amplifier; one end of the third resistor is directly connected to one end of the fourth resistor, the first The other end of the three resistors is directly connected to the fifth pin of the third operational amplifier; one end of the fifth resistor is directly connected to one end of the first capacitor, and the other end of the fifth resistor is directly connected to the third operational amplifier. The second pin of the amplifier; one end of the first capacitor is directly connected to the ground, and the other end of the first capacitor is directly connected to one end of the fourth resistor; one end of the second capacitor is directly connected to the third operational amplifier the first pin of the second capacitor, the other end of the second capacitor is directly connected to the fifth pin of the third operational amplifier; the fifth pin of the third operational amplifier is also directly connected to the second digital output interface; The shaping filter module includes a shaping module input interface, a fourth operational amplifier, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a second diode, a first three Pole tube, output interface of the shaping module and system power supply; the input interface of the shaping module is directly connected to the second digital output interface of the second measurement conversion module, and one end of the sixth resistor is directly connected to the input of the shaping module interface, the other end of the seventh resistor is directly connected to the first pin of the fourth operational amplifier; one end of the seventh resistor is directly connected to the negative pole of the system power supply, and the other end of the seventh resistor is directly connected to the The second pin of the fourth operational amplifier; one end of the eighth resistor is directly connected to the positive pole of the system power supply, and the other end of the eighth resistor is directly connected to the second pin of the fourth operational amplifier; the first One end of the nine resistors is directly connected to the fourth pin of the fourth operational amplifier, the other end of the ninth resistor is directly connected to one end of the tenth resistor, and the other end of the tenth resistor is directly connected to the first three The base of the pole tube; the third pin of the fourth operational amplifier is directly connected to the negative pole of the system power supply, the fourth pin of the fourth operational amplifier is directly connected to the positive pole of the system power supply, and the fourth operational amplifier The fifth pin of the first triode is directly connected to one end of the tenth resistor; the collector of the first triode is directly connected to one end of the eleventh resistor, and the other end of the eleventh resistor is directly connected to the system power supply the anode of the first triode; the emitter of the first triode is directly connected to the anode of the second diode, and the cathode of the second diode is directly connected to the base of the first triode; The collector of a triode is also directly connected to the output interface of the shaping module. 2 . The battery comprehensive fault detection and alarm device according to claim 1 , wherein the second measurement conversion module is connected to the shaping and filtering module. 3 . 3. The storage battery comprehensive fault detection and alarm device according to claim 1, wherein the fault detection and alarm processing module comprises a starting current detection module, a voltage detection module, an internal resistance detection module and an alarm processing module, and the starting current The detection module, the voltage detection module and the internal resistance detection module are respectively connected with the alarm processing module. 4. The storage battery comprehensive fault detection and warning device according to claim 3, wherein the starting current detection module includes a current detection input interface, a current standard input interface, a second chip, a current detection output interface and a system power supply; The current detection input interface is directly connected to the first digital output interface of the first measurement conversion module; the current standard input interface is directly connected to the external starting current standard value setting program; the first pin of the second chip directly connected to the positive pole of the system power supply, the second pin of the second chip is directly connected to the negative pole of the system power supply, the third pin of the second chip is directly connected to the current detection input interface, the second chip The fourth pin of the second chip is directly connected to the current standard input interface, and the fifth pin of the second chip is directly connected to the current detection output interface. 5. The battery comprehensive fault detection and alarm device according to claim 4, wherein the voltage detection module includes a first voltage input interface, a second voltage input interface, a third chip, a first relay, and a voltage detection output interface and system power; The first voltage input interface is directly connected to the positive pole of the battery, and the second voltage input interface is directly connected to the negative pole of the battery; the first pin of the third chip is directly connected to the positive pole of the system power supply, and the first pin of the third chip is directly connected to the positive pole of the system power supply. The second pin is directly connected to the negative pole of the system power supply, the third pin of the third chip is directly connected to the first voltage input interface, and the fourth pin of the third chip is directly connected to the second voltage input interface, The fifth pin of the third chip is directly connected to the negative pole of the coil of the first relay, the sixth pin of the third chip is directly connected to the negative pole of the system power supply; the positive pole of the coil of the first relay is directly connected to the The positive pole of the system power supply, the positive pole of the coil of the first relay is also directly connected to the first node of the first relay, and the second node of the first relay is directly connected to the voltage detection output interface. 6. The battery comprehensive fault detection and alarm device according to claim 5, wherein the internal resistance detection module includes an internal resistance detection input interface, an internal resistance standard input interface, a fourth chip, a fifth operational amplifier, a tenth Two resistors, thirteenth resistors, fourteenth resistors, fifteenth resistors, sixteenth resistors, seventeenth resistors, eighteenth resistors, nineteenth resistors, twentieth resistors, internal resistance detection output interface and system power supply; the internal resistance detection input interface is directly connected to the output interface of the shaping module; the internal resistance standard input interface is directly connected to the external internal resistance standard value setting program; one end of the twelfth resistor is directly connected to the internal resistance detection input interface, the other end of the twelfth resistor is directly connected to the second pin of the fourth chip; one end of the thirteenth resistor is directly connected to the internal resistance detection input interface, and the other end of the thirteenth resistor The other end is directly connected to the first pin of the fourth chip; one end of the fourteenth resistor is directly connected to the first pin of the fifth operational amplifier, and the other end of the fourteenth resistor is directly connected to the fourth The fourth pin of the chip; one end of the fifteenth resistor is directly connected to the first pin of the fifth operational amplifier, and the other end of the fifteenth resistor is directly connected to the third pin of the fourth chip; the The second pin of the fourth chip is directly connected to one end of the sixteenth resistor, the third pin of the fourth chip is directly connected to one end of the sixteenth resistor, and the fifth pin of the fourth chip is directly connected to the the other end of the sixteenth resistor; the seventh pin of the fourth chip is directly connected to one end of the seventeenth resistor, and the other end of the seventeenth resistor is directly connected to the negative pole of the system power supply; The eighth pin of the four chips is directly connected to one end of the eighteenth resistor, and the other end of the eighteenth resistor is directly connected to the negative pole of the system power supply; the ninth pin of the fourth chip is directly connected to the tenth One end of the nineteenth resistor, the other end of the nineteenth resistor is directly connected to the negative pole of the system power supply; the tenth pin of the fourth chip is directly connected to one end of the twentieth resistor, and the The other end is directly connected to the negative pole of the system power supply; the eleventh pin of the fourth chip is directly connected to the positive pole of the system power supply, and the twelfth pin of the fourth chip is directly connected to the negative pole of the system power supply; The second pin of the fifth operational amplifier is directly connected to the internal resistance standard input interface, and the third pin of the fifth operational amplifier is directly connected to the internal resistance detection output interface. 7. The storage battery comprehensive fault detection and warning device according to claim 6, wherein the warning processing module comprises a first processing input interface, a second processing input interface, a third processing input interface, a fifth chip, a voltage detection Instantaneous first interface, voltage detection instantaneous second interface, first alarm indicator light, second alarm indicator light, third alarm indicator light, alarm buzzer, fault detection output interface and system power supply; The first processing input interface is directly connected to the current detection output interface, the second processing input interface is directly connected to the voltage detection output interface, and the third processing input interface is directly connected to the internal resistance detection output interface; The first interface of the voltage detection instant is directly connected to the positive pole of the storage battery, and the first interface is directly connected to the negative pole of the storage battery at the instant of voltage detection; the first pin of the fifth chip is directly connected to the positive pole of the system power supply, and the fifth chip The second pin of the fifth chip is directly connected to the negative pole of the system power supply; the third pin of the fifth chip is directly connected to the first processing input interface, and the fourth pin of the fifth chip is directly connected to the second processing input interface The fifth pin of the fifth chip is directly connected to the third processing input interface; the sixth pin of the fifth chip is directly connected to the first interface for voltage detection instant, and the seventh pin of the fifth chip is directly connected Connect the voltage detection instant second interface; the eighth pin of the fifth chip is directly connected to one end of the first warning indicator light, and the other end of the first warning indicator light is directly connected to the alarm buzzer One end; the ninth pin of the fifth chip is directly connected to one end of the second warning indicator light, and the other end of the second warning indicator light is directly connected to one end of the alarm buzzer; the fifth chip’s The tenth pin is directly connected to one end of the third warning indicator light, and the other end of the third warning indicator light is directly connected to one end of the warning buzzer; the other end of the warning buzzer is directly connected to the system The negative pole of the power supply; the eleventh pin of the fifth chip is directly connected to the fault detection output interface; When the first warning indicator light is in the first state, the alarm processing module sends out a current detection alarm, and the alarm buzzer emits a buzzer; when the first warning indicator light is in the same state as the first In the second state with different states, the alarm processing module does not issue a current detection alarm; When the second warning indicator light is in the third state, the alarm processing module sends a voltage detection alarm, and the alarm buzzer emits a buzzer; when the second warning indicator light is in the same state as the third In the fourth state with different states, the alarm processing module does not issue a voltage detection alarm; When the third warning indicator light is in the fifth state, the alarm processing module sends an internal resistance detection alarm, and the alarm buzzer emits a buzzer; when the third warning indicator light is in the fifth state In the sixth state which is different from the five states, the alarm processing module does not issue an internal resistance detection alarm. 8. The storage battery comprehensive fault detection and warning device according to claim 7, wherein the communication transmission display module includes a communication input interface, a communication conversion module and a communication output interface; the communication input interface is directly connected to the alarm processing The fault detection output interface of the module; the input end of the communication conversion module is directly connected to the communication input interface, and the output end of the communication conversion module is directly connected to the communication output interface. 9. The method for realizing detection and warning by the battery comprehensive fault detection and warning device according to any one of claims 1-8, characterized in that it comprises the following steps: (1) Realize the measurement of the starting current value of the battery and compare it with the standard value. If it is higher than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded; (2) Realize the measurement of the stable voltage value of the battery and compare it with the standard value. If it is higher than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded; (3) Realize the measurement of the internal resistance of the battery and compare it with the standard value. If it is lower than the standard value, it is normal, and the next measurement is performed, otherwise, the information is recorded; (4) After the alarm processing module detects that the instantaneous voltage drop of the battery reaches the voltage drop threshold, it releases the record information, Trigger the alarm indicator light and alarm buzzer.

Images