CN111812520B - Comprehensive fault detection and alarm device for storage battery and method for realizing detection and alarm - Google Patents

Comprehensive fault detection and alarm device for storage battery and method for realizing detection and alarm Download PDF

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Publication number
CN111812520B
CN111812520B CN202010692554.8A CN202010692554A CN111812520B CN 111812520 B CN111812520 B CN 111812520B CN 202010692554 A CN202010692554 A CN 202010692554A CN 111812520 B CN111812520 B CN 111812520B
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directly connected
pin
resistor
chip
alarm
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CN111812520A (en
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朱茂华
夏维维
谭宜项
钟国卿
郎永忠
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Jujiang Power Technology Co ltd
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Jujiang Power Technology Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables
    • 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 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

Comprehensive fault detection and alarm device for storage battery and method for realizing detection and alarm
Technical Field
The invention relates to the technical field of automobile storage batteries, in particular to a comprehensive fault detection and alarm device for a storage battery and a method for realizing detection and alarm.
Background
The accumulator is an indispensable part of the automobile. During normal starting of the vehicle, the storage battery is required to supply power to ignite and start the engine. When the vehicle is normally used at ordinary times, the storage battery is unobtrusive, and the storage battery has the main effect of only igniting for a few seconds when the vehicle is started, so that the quality of the storage battery is not easy to perceive in advance, and a vehicle owner can realize that the storage battery possibly fails only when the vehicle fails to ignite. In the face of the sudden failure of the battery, the life rhythm of the car owner may be disturbed, and the car owner is in error, and the fire is started by the applicant, so that additional cost is paid.
With the continuous development of the electric power detection technology, some automobiles have a prompt function on the quality of the battery, but most of automobiles simply measure the voltage of the battery, but the insufficient starting current of the battery still possibly causes the automobile to fail to ignite, and the measured voltage of the battery is also inaccurate when the internal resistance of the battery is larger. Therefore, how to automatically and intelligently realize comprehensive fault detection and alarm of the storage battery is a current urgent problem to be solved.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a comprehensive fault detection and alarm device for a storage battery and a method for realizing detection and alarm, wherein the comprehensive fault detection and alarm device for the storage battery can be arranged in a preset mounting bin (with a bin cover) on a storage battery cover body; and comprehensively detecting and respectively giving an alarm by judging the starting current, the starting voltage and the starting internal resistance of the storage battery. The comprehensive fault detection and alarm device for the storage battery and the method for realizing detection and alarm automatically and intelligently realize comprehensive detection and alarm of the storage battery.
The embodiment of the invention provides a comprehensive fault detection and alarm device for a storage battery, which is characterized by comprising 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.
The measuring and analog quantity digital quantity conversion module comprises a first measuring and conversion module, a second measuring and conversion module and a shaping and filtering module; the first measurement conversion module comprises a current input interface, a first operational amplifier, a first diode, a first sliding rheostat, a first filter and a first digital quantity output interface; the current input interface is directly connected with a starting current measurement loop of the storage battery, and is also directly connected with the input end of the first operational amplifier; the output end of the first operational amplifier is directly connected with the anode of the first diode, and the cathode of the first diode is directly connected with one end of the first slide rheostat; the other end of the first sliding rheostat is directly connected with the ground, and the sliding end of the first sliding rheostat is directly connected with one end of the first filter; the other end of the first filter is directly connected with the ground, and one end of the filter is also directly connected with the first digital quantity output interface.
The second measurement conversion module comprises 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, a fifth resistor, a first capacitor, a second digital output interface and a system power supply; the first measurement input interface is directly connected with the anode of the storage battery, and the second measurement input interface is directly connected with the cathode of the storage battery; the second pin of the first chip is directly connected with the first measurement input interface, and the fourth pin of the first chip is directly connected with the second measurement input interface; the seventh pin of the first chip is directly connected with the positive electrode of the system power supply, and the eighth pin of the first chip is directly connected with the negative electrode of the system power supply; the fifth pin of the first chip is directly connected with the first pin of the second operational amplifier, and the sixth pin of the first chip is directly connected with the second pin of the second operational amplifier; the third pin of the second operational amplifier is directly connected with one end of the first resistor, and the other end of the first resistor is directly connected with the third pin of the second operational amplifier; the fourth pin of the second operational amplifier is directly connected with the ground, and the fifth pin of the second operational amplifier is directly connected with one end of the second resistor; the first pin and the third pin of the first chip are suspended; the first chip is of the type CD4052.
The other end of the second resistor is directly connected with one end of the fourth resistor, and the other end of the fourth resistor is directly connected with a first pin of the third operational amplifier; one end of the third resistor is directly connected with one end of the fourth resistor, and the other end of the third resistor is directly connected with a fifth pin of the third operational amplifier; one end of the fifth resistor is directly connected with one end of the first capacitor, and the other end of the fifth resistor is directly connected with a second pin of the third operational amplifier; one end of the first capacitor is directly connected with the ground, and the other end of the first capacitor is directly connected with one end of the fourth resistor; one end of the second capacitor is directly connected with a first pin of the third operational amplifier, and the other end of the second capacitor is directly connected with a fifth pin of the third operational amplifier; the fifth pin of the third operational amplifier is also directly connected to the second digital quantity output interface.
The shaping filter module comprises 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 triode, a shaping module output interface and a system power supply.
The shaping module input interface is directly connected with the second digital output interface of the second measuring module, one end of the sixth resistor is directly connected with the shaping module input interface, and the other end of the sixth resistor is directly connected with the first pin of the fourth operational amplifier; one end of the seventh resistor is directly connected with the negative electrode of the system power supply, and the other end of the seventh resistor is directly connected with the second pin of the fourth operational amplifier; one end of the eighth resistor is directly connected with the positive electrode of the system power supply, and the other end of the eighth resistor is directly connected with the second pin of the fourth operational amplifier; one end of the ninth resistor is directly connected with a fourth pin of the fourth operational amplifier, the other end of the ninth resistor is directly connected with one end of the tenth resistor, and the other end of the tenth resistor is directly connected with the base electrode of the first triode; the third pin of the fourth operational amplifier is directly connected with the negative electrode of the system power supply, the fourth pin of the fourth operational amplifier is directly connected with the positive electrode of the system power supply, and the fifth pin of the fourth operational amplifier is directly connected with one end of the tenth resistor; the collector electrode of the first triode is directly connected with one end of the eleventh resistor, and the other end of the eleventh resistor is directly connected with the positive electrode of the system power supply; the emitter of the first triode is directly connected with the anode of the second diode, and the cathode of the second diode is directly connected with the base electrode of the first triode; and the collector electrode of the first triode is also directly connected with 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 comprises a starting current detection module, a voltage detection module, an internal resistance detection module and an alarm processing module; the current detection module comprises 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 with the first digital quantity output interface of the first measurement conversion module; the current standard input interface is directly connected with an external starting current standard value setting program; the first pin of the second chip is directly connected with the positive electrode of the system power supply, the second pin of the second chip is directly connected with the negative electrode of the system power supply, the third pin of the second chip is directly connected with the current detection input interface, the fourth pin of the second chip is directly connected with the current standard input interface, the fifth pin of the second chip is directly connected with the current detection output interface, the sixth pin of the second chip is suspended, and the type of the second chip is FX-34.
The voltage detection module comprises 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 with the anode of the storage battery, and the second voltage input end is directly connected with the cathode of the storage battery; the first pin of the third chip is directly connected with the positive electrode of the system power supply, the second pin of the third chip is directly connected with the negative electrode of the system power supply, the third pin of the third chip is directly connected with the first voltage input interface, the fourth pin of the third chip is directly connected with the second voltage input interface, the fifth pin of the third chip is directly connected with the negative electrode of the coil of the first relay, and the sixth pin of the third chip is directly connected with the negative electrode of the system power supply; the coil positive electrode of the first relay is directly connected with the positive electrode of the system power supply, the coil positive electrode of the first relay is also directly connected with the first node of the first relay, the second node of the first relay is directly connected with the voltage detection output interface, and the model of the third chip is DF3-D-D-V3-B-P3.
The third chip can set a standard voltage value and is used for judging whether the detected voltage value meets the requirement; the first relay is a time relay, delay time can be set, and false alarm caused by voltage fluctuation is avoided.
The internal resistance detection module comprises 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 sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, an internal resistance detection output interface and a system power supply.
The internal resistance detection input interface is directly connected with the shaping module output interface; the internal resistance standard input interface is directly connected with an external internal resistance standard value setting program; one end of the twelfth resistor is directly connected with the internal resistance detection input interface, and the other end of the twelfth resistor is directly connected with the second pin of the fourth chip; one end of the thirteenth resistor is directly connected with the internal resistance detection input interface, and the other end of the thirteenth resistor is directly connected with the first pin of the fourth chip; one end of the fourteenth resistor is directly connected with the first pin of the fifth operational amplifier, and the other end of the fourteenth resistor is directly connected with the fourth pin of the fourth chip; one end of the fifteenth resistor is directly connected with the first pin of the fifth operational amplifier, and the other end of the fifteenth resistor is directly connected with the third pin of the fourth chip; the second pin of the fourth chip is directly connected with one end of the sixteenth resistor, the third pin of the fourth chip is directly connected with one end of the sixteenth resistor, and the fifth pin of the fourth chip is directly connected with the other end of the sixteenth resistor; the seventh pin of the fourth chip is directly connected with one end of the seventeenth resistor, and the other end of the seventeenth resistor is directly connected with the negative electrode of the system power supply; an eighth pin of the fourth chip is directly connected with one end of the eighteenth resistor, and the other end of the eighteenth resistor is directly connected with the negative electrode of the system power supply; a ninth pin of the fourth chip is directly connected with one end of the nineteenth resistor, and the other end of the nineteenth resistor is directly connected with the negative electrode of the system power supply; a tenth pin of the fourth chip is directly connected with one end of the twentieth resistor, and the other end of the twentieth resistor is directly connected with the negative electrode of the system power supply; an eleventh pin of the fourth chip is directly connected with the positive electrode of the system power supply, a twelfth pin of the fourth chip is directly connected with the negative electrode of the system power supply, and a sixth pin of the fourth chip is suspended; the second pin of the fifth operational amplifier is directly connected with the internal resistance standard input interface, and the third pin of the fifth operational amplifier is directly connected with the internal resistance detection output interface.
The alarm 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, a voltage detection instantaneous second interface, a first alarm indicator lamp, a second alarm indicator lamp, a third alarm indicator lamp, an alarm buzzer, a fault detection output interface and a system power supply.
The first processing input interface is directly connected with the current detection output interface, the second processing input interface is directly connected with the voltage detection output interface, and the third processing input interface is directly connected with the internal resistance detection output interface; the voltage detection instant first interface is directly connected with the anode of the storage battery, and the voltage detection instant first interface is directly connected with the cathode of the storage battery; the first pin of the fifth chip is directly connected with the positive electrode of the system power supply, and the second pin of the fifth chip is directly connected with the negative electrode of the system power supply; a third pin of the fifth chip is directly connected with the first processing input interface, a fourth pin of the fifth chip is directly connected with the second processing input interface, and a fifth pin of the fifth chip is directly connected with the third processing input interface; a sixth pin of the fifth chip is directly connected with the voltage detection instant first interface, and a seventh pin of the fifth chip is directly connected with the voltage detection instant second interface; the eighth pin of the fifth chip is directly connected with one end of the first alarm indicator lamp, and the other end of the first alarm indicator lamp is directly connected with one end of the alarm buzzer; the ninth pin of the fifth chip is directly connected with one end of the second alarm indicator lamp, and the other end of the second alarm indicator lamp is directly connected with one end of the alarm buzzer; the tenth pin of the fifth chip is directly connected with one end of the third alarm indicator lamp, and the other end of the third alarm indicator lamp is directly connected with one end of the alarm buzzer; the other end of the alarm buzzer is directly connected with the negative electrode of the system power supply; and an eleventh pin of the fifth chip is directly connected with the fault detection output interface.
And the fifth chip judges the instantaneous voltage drop value of the storage battery, which is jointly detected by the instantaneous first interface and the instantaneous second interface of the voltage detection, and when the instantaneous voltage drop value of the storage battery exceeds a set value, the automobile is considered to be started at the moment, and if detected record information needs to be alarmed, the fifth chip outputs the record information at the moment. The current detection alarm information is output from an eighth pin of the fifth chip, so that the first alarm indicator lamp is in the first state; the voltage detection alarm information is output from a ninth pin of the fifth chip, so that the second alarm indicator lamp is in the third state; and outputting the internal resistance detection alarm information from a tenth pin of the fifth chip, so that the third alarm indicator lamp is in the fifth state.
When the first alarm indicator lamp is in the first state, the alarm processing module sends out a current detection alarm, and the alarm buzzer sends out a beeping sound; when the first alarm indicator lamp is in the second state different from the first state, the alarm processing module does not send out a current detection alarm;
when the second alarm indicator lamp is in the third state, the alarm processing module sends out voltage detection alarm, and the alarm buzzer sends out beeping sound; when the second alarm indicator lamp is in the fourth state different from the third state, the alarm processing module does not send out a voltage detection alarm;
When the third alarm indicator lamp is in the fifth state, the alarm processing module sends out an internal resistance detection alarm, and the alarm buzzer sends out a beeping sound; when the third alarm indicator lamp is in the sixth state different from the fifth state, the alarm processing module does not send out an internal resistance detection alarm.
The communication transmission display module comprises a communication input interface, a communication conversion module and a communication output interface; the communication input interface is directly connected with a fault detection output interface of the alarm processing module; the input end of the communication conversion module is directly connected with the communication input interface, and the output end of the communication conversion module is directly connected with the communication output interface.
The direct current power supply module comprises a power supply positive electrode input end, a power supply negative electrode input end, a sixth chip, a third capacitor, a fourth capacitor, a stabilized voltage power supply positive electrode output end and a stabilized voltage power supply negative electrode output end; the positive input end of the power supply is directly connected with the first pin of the sixth chip, and the negative input end of the power supply is directly connected with the third pin of the sixth chip; one end of the third capacitor is directly connected with the first pin of the sixth chip, and the other end of the third capacitor is directly connected with the third pin of the sixth chip; one end of the fourth capacitor is directly connected with the second pin of the sixth chip, and the other end of the fourth capacitor is directly connected with the third pin of the sixth chip; the positive output end of the voltage-stabilized power supply is directly connected with the second pin of the sixth chip, the negative output end of the voltage-stabilized power supply is directly connected with the third pin of the sixth chip, and the model of the sixth chip is 7805.
The method for realizing detection alarm of the comprehensive fault detection alarm device of the storage battery is characterized by comprising the following steps:
(1) The method comprises the steps of realizing the measurement of the starting current value of the storage battery and comparing the starting current value with a standard value, if the starting current value is higher than the standard value, normally carrying out the next measurement, otherwise recording information;
(2) The stable voltage value of the storage battery is measured and compared with the standard value, if the stable voltage value is higher than the standard value, the measurement is carried out for the next time normally, otherwise, information is recorded;
(3) The internal resistance value of the storage battery is measured and compared with a standard value, if the internal resistance value is lower than the standard value, the measurement is carried out for the next time normally, and otherwise, information is recorded;
(4) And after detecting that the instantaneous voltage drop of the storage battery reaches a voltage drop threshold, the alarm processing module releases the record information and triggers an alarm indicator lamp and an alarm buzzer.
The invention provides a comprehensive fault detection and alarm device for a storage battery, which 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 realizes comprehensive detection and alarm of starting current, voltage and internal resistance of the storage battery.
The technical scheme of the invention has the following technical effects:
(1) Three-element judgment detection is set, the starting current value of the storage battery is judged and detected, the stable voltage value of the storage battery is judged and detected, and the internal resistance value of the storage battery is judged and detected, so that the comprehensive detection of the storage battery can be realized;
(2) The configuration of the current standard input interface, the voltage standard value and the internal resistance standard input interface enables different detection standards to be set according to different types of electric storage values, and the service life waste of the storage battery caused by different standards can be completely abandoned;
(3) The adopted alarm processing module can automatically determine the time for sending out the detection alarm, so that the alarm is ensured to be confirmed by an owner of the vehicle and further power consumption deterioration of the storage battery due to the detection alarm can be ensured to be avoided;
(4) The uniquely designed conversion circuit structure ensures the quality of measurement data;
(5) The remote monitoring of the state information of the storage battery is realized through the power and communication connection of the communication transmission display module, and a vehicle owner can select different versions of Bluetooth, internet of things communication and the like, so that the safety of the storage battery is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a first measurement and conversion module of the battery comprehensive fault detection and warning device of the present invention;
FIG. 2 is a block diagram of a second measurement and conversion module of the battery comprehensive fault detection and warning device of the present invention;
FIG. 3 is a diagram showing the components of the shaping and filtering module of the comprehensive fault detection and alarm device for the storage battery;
FIG. 4 is a block diagram of a current detection module of the battery integrated fault detection alarm device of the present invention;
FIG. 5 is a block diagram of a voltage detection module of the battery integrated fault detection alarm device of the present invention;
FIG. 6 is a block diagram of an internal resistance detection module of the battery integrated fault detection alarm device of the present invention;
FIG. 7 is a block diagram of an alarm processing module of the battery comprehensive fault detection alarm device of the present invention;
FIG. 8 is a block diagram of a DC power module of the battery integrated fault detection and warning device of the present invention;
fig. 9 is a flowchart of the detection alarm method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8.
The comprehensive fault detection and alarm device for the storage battery 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.
The measuring and analog quantity digital quantity conversion module comprises a first measuring and conversion module, a second measuring and conversion module and a shaping and filtering module; the first measurement conversion module comprises a current input interface, a first operational amplifier A1, a first diode D1, a first sliding rheostat RL1, a first filter L1 and a first digital quantity output interface; the current input interface is directly connected with a starting current measuring loop of the storage battery, and is also directly connected with the input end of the first operational amplifier A1; the output end of the first operational amplifier A1 is directly connected with the anode of the first diode D1, and the cathode of the first diode D1 is directly connected with one end of the first slide rheostat RL 1; the other end of the first sliding rheostat RL1 is directly connected with the ground, and the sliding end of the first sliding rheostat RL1 is directly connected with one end of the first filter L1; the other end of the first filter L1 is directly connected to the ground, and one end of the filter L1 is also directly connected to the first digital quantity output interface.
The second measurement conversion module comprises 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, a fourth resistor R4, a fifth resistor R5, a first capacitor C1, a second capacitor C2, a second digital output interface and a system power supply; the first measurement input interface is directly connected with the anode of the storage battery, and the second measurement input interface is directly connected with the cathode of the storage battery; the second pin of the first chip U1 is directly connected with the first measurement input interface, and the fourth pin of the first chip U1 is directly connected with the second measurement input interface; the seventh pin of the first chip U1 is directly connected with the positive electrode +S of the system power supply, and the eighth pin of the first chip U1 is directly connected with the negative electrode-S of the system power supply; the fifth pin of the first chip U1 is directly connected to the first pin of the second operational amplifier A2, and 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 with one end of the first resistor R1, and the other end of the first resistor R1 is directly connected with the third pin of the second operational amplifier A2; the fourth pin of the second operational amplifier A2 is directly connected to the ground, and 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 with one end of the fourth resistor R4, and the other end of the fourth resistor R4 is directly connected with a first pin of the third operational amplifier A3; one end of the third resistor R3 is directly connected to one end of the fourth resistor R4, and the other end of the third resistor R3 is directly connected to a fifth pin of the third operational amplifier A3; one end of the fifth resistor R5 is directly connected to one end of the first capacitor C1, and 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 with the ground, and the other end of the first capacitor C1 is directly connected with 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 fifth pin of the third operational amplifier A3; the fifth pin of the third operational amplifier A3 is also directly connected to the second digital quantity output interface.
The shaping filter module comprises 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, a first triode Q1, a shaping module output interface and a system power supply.
The shaping module input interface is directly connected with the second digital output interface of the second measurement module, one end of the sixth resistor R6 is directly connected with the shaping module input interface, and the other end of the seventh resistor R7 is directly connected with the first pin of the fourth operational amplifier A4; one end of the seventh resistor R7 is directly connected with the negative electrode-S of the system power supply, and the other end of the seventh resistor R7 is directly connected with the second pin of the fourth operational amplifier A4; one end of the eighth resistor R8 is directly connected with the positive electrode +S of the system power supply, and the other end of the eighth resistor R8 is directly connected with the second pin of the fourth operational amplifier A4; 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 base electrode of the first triode Q1; the third pin of the fourth operational amplifier A4 is directly connected with the negative electrode-S of the system power supply, the fourth pin of the fourth operational amplifier A4 is directly connected with the positive electrode +S of the system power supply, and the fifth pin of the fourth operational amplifier A4 is directly connected with one end of the tenth resistor R10; the collector of the first triode Q1 is directly connected with one end of the eleventh resistor R11, and the other end of the eleventh resistor R11 is directly connected with the positive electrode +S of the system power supply; the emitter of the first triode Q1 is directly connected with the anode of the second diode D2, and the cathode of the second diode D2 is directly connected with the base electrode of the first triode Q1; the collector electrode of the first triode Q1 is also directly connected with 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 comprises a starting current detection module, a voltage detection module, an internal resistance detection module and an alarm processing module; the current detection module comprises a current detection input interface, a current standard input interface, a second chip U2, a current detection output interface and a system power supply; the current detection input interface is directly connected with the first digital quantity output interface of the first measurement conversion module; the current standard input interface is directly connected with an external starting current standard value setting program; the first pin of the second chip U2 is directly connected with the positive electrode +S of the system power supply, the second pin of the second chip U2 is directly connected with the negative electrode-S of the system power supply, the third pin of the second chip U2 is directly connected with the current detection input interface, the fourth pin of the second chip U2 is directly connected with the current standard input interface, and the fifth pin of the second chip U2 is directly connected with the current detection output interface.
The voltage detection module comprises 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 with the anode of the storage battery, and the second voltage input end is directly connected with the cathode of the storage battery; the first pin of the third chip U3 is directly connected with the positive electrode +S of the system power supply, the second pin of the third chip U3 is directly connected with the negative electrode-S of the system power supply, the third pin of the third chip U3 is directly connected with the first voltage input interface, the fourth pin of the third chip U3 is directly connected with the second voltage input interface, the fifth pin of the third chip U3 is directly connected with the negative electrode of the coil of the first relay KT, and the sixth pin of the third chip U3 is directly connected with the negative electrode-S of the system power supply; the positive pole of the coil of the first relay KT is directly connected with the positive pole +S of the system power supply, the positive pole of the coil of the first relay KT is also directly connected with a first node of the first relay KT, and a second node of the first relay KT is directly connected with the voltage detection output interface.
The third chip U3 can set a standard voltage value for judging whether the detected voltage value meets the requirement; the first relay KT is a time relay, delay time can be set, and false alarm caused by voltage fluctuation is avoided.
The internal resistance detection module comprises 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 fifteenth resistor R15, a sixteenth resistor R16, a seventeenth resistor R17, an eighteenth resistor R18, a nineteenth resistor R19, a twentieth resistor R20, an internal resistance detection output interface and a system power supply.
The internal resistance detection input interface is directly connected with the shaping module output interface; the internal resistance standard input interface is directly connected with an external internal resistance standard value setting program; one end of the twelfth resistor R12 is directly connected to the internal resistance detection input interface, and 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 other end of the thirteenth 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 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 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, the third pin of the fourth chip U4 is directly connected to one end of the sixteenth resistor R16, and 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, and the other end of the seventeenth resistor R17 is directly connected to the negative electrode-S of the system power supply; the eighth pin of the fourth chip U4 is directly connected with one end of the eighteenth resistor R18, and the other end of the eighteenth resistor R18 is directly connected with the negative electrode-S of the system power supply; the ninth pin of the fourth chip U4 is directly connected with one end of the nineteenth resistor R19, and the other end of the nineteenth resistor R19 is directly connected with the negative electrode-S of the system power supply; the tenth pin of the fourth chip U4 is directly connected with one end of the twentieth resistor R20, and the other end of the twentieth resistor R20 is directly connected with the negative electrode-S of the system power supply; an eleventh pin of the fourth chip U4 is directly connected with the positive electrode +S of the system power supply, and a twelfth pin of the fourth chip U4 is directly connected with the negative electrode-S of the system power supply; the second pin of the fifth operational amplifier A5 is directly connected with the internal resistance standard input interface, and the third pin of the fifth operational amplifier A5 is directly connected with the internal resistance detection output interface.
The alarm processing module comprises a first processing input interface, a second processing input interface, a third processing input interface, a fifth chip U5, a voltage detection instantaneous first interface, a voltage detection instantaneous second interface, a first alarm indicator lamp T1, a second alarm indicator lamp T2, a third alarm indicator lamp T3, an alarm buzzer B, a fault detection output interface and a system power supply.
The first processing input interface is directly connected with the current detection output interface, the second processing input interface is directly connected with the voltage detection output interface, and the third processing input interface is directly connected with the internal resistance detection output interface; the voltage detection instant first interface is directly connected with the anode of the storage battery, and the voltage detection instant first interface is directly connected with the cathode of the storage battery; the first pin of the fifth chip U5 is directly connected with the positive electrode +S of the system power supply, and the second pin of the fifth chip U5 is directly connected with the negative electrode-S of the system power supply; the third pin of the fifth chip U5 is directly connected with the first processing input interface, the fourth pin of the fifth chip U5 is directly connected with the second processing input interface, and the fifth pin of the fifth chip U5 is directly connected with the third processing input interface; the sixth pin of the fifth chip U5 is directly connected with the voltage detection instant first interface, and the seventh pin of the fifth chip U5 is directly connected with the voltage detection instant second interface; the eighth pin of the fifth chip U5 is directly connected with one end of the first alarm indicator light T1, and the other end of the first alarm indicator light T1 is directly connected with one end of the alarm buzzer B; the ninth pin of the fifth chip U5 is directly connected with one end of the second alarm indicator light T2, and the other end of the second alarm indicator light T2 is directly connected with one end of the alarm buzzer B; the tenth pin of the fifth chip U5 is directly connected with one end of the third alarm indicator light T3, and the other end of the third alarm indicator light T3 is directly connected with one end of the alarm buzzer B; the other end of the alarm buzzer B is directly connected with the negative electrode-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 voltage drop value of the storage battery, which is jointly detected by the instantaneous first interface and the instantaneous second interface of the voltage detection, when the instantaneous voltage drop value of the storage battery exceeds a set value, the automobile is considered to be started at the moment, and if detected record information needs to be alarmed, the fifth chip U5 outputs the record information at the moment. The current detection alarms the eighth pin output of the fifth chip U5, so that the first alarm indicator light T1 is in the first state; the voltage detection alarms the ninth pin output of the fifth chip U5, so that the second alarm 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 alarm indicator light T3 is located in the fifth state.
When the first alarm indicator light T1 is in the first state, the alarm processing module sends out a current detection alarm, and the alarm buzzer B sends out a beeping sound; when the first alarm indicator light T1 is in the second state different from the first state, the alarm processing module does not send out a current detection alarm;
when the second alarm indicator light T2 is in the third state, the alarm processing module sends out a voltage detection alarm, and the alarm buzzer B sends out a beeping sound; when the second alarm indicator light T2 is in the fourth state different from the third state, the alarm processing module does not issue a voltage detection alarm;
When the third alarm indicator light T3 is in the fifth state, the alarm processing module sends out an internal resistance detection alarm, and the alarm buzzer B sends out a beeping sound; when the third alarm indicator light T3 is 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 comprises a communication input interface, a communication conversion module and a communication output interface; the communication input interface is directly connected with a fault detection output interface of the alarm processing module; the input end of the communication conversion module is directly connected with the communication input interface, and the output end of the communication conversion module is directly connected with the communication output interface.
The direct current power supply module comprises a power supply positive electrode input end, a power supply negative electrode input end, a sixth chip U6, a third capacitor C3, a fourth capacitor C4, a regulated power supply positive electrode output end and a regulated power supply negative electrode output end; the positive input end of the power supply is directly connected with the first pin of the sixth chip U6, and the negative input end of the power supply is directly connected with the third pin of the sixth chip U6; one end of the third capacitor C3 is directly connected to the first pin of the sixth chip U6, and 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 other end of the fourth capacitor C4 is directly connected to the third pin of the sixth chip U6; the positive output end of the voltage-stabilized power supply is directly connected with the second pin of the sixth chip U6, and the negative output end of the voltage-stabilized power supply is directly connected with the third pin of the sixth chip U6.
Please refer to fig. 9.
The comprehensive fault detection and alarm device for the storage battery and the method for realizing detection and alarm are characterized by comprising the following steps:
(1) The method comprises the steps of realizing the measurement of the starting current value of the storage battery and comparing the starting current value with a standard value, if the starting current value is higher than the standard value, normally carrying out the next measurement, otherwise recording information;
(2) The stable voltage value of the storage battery is measured and compared with the standard value, if the stable voltage value is higher than the standard value, the measurement is carried out for the next time normally, otherwise, information is recorded;
(3) The internal resistance value of the storage battery is measured and compared with a standard value, if the internal resistance value is lower than the standard value, the measurement is carried out for the next time normally, and otherwise, information is recorded;
(4) And after detecting that the instantaneous voltage drop of the storage battery reaches a voltage drop threshold, the alarm processing module releases the record information and triggers an alarm indicator lamp and an alarm buzzer.
The invention provides a comprehensive fault detection and alarm device for a storage battery, which 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.
The technical scheme of the invention has the following technical effects: three-element judgment detection is set, the starting current value of the storage battery is judged and detected, the stable voltage value of the storage battery is judged and detected, and the internal resistance value of the storage battery is judged and detected, so that the comprehensive detection of the storage battery can be realized; the configuration of the current standard input interface, the voltage standard value and the internal resistance standard input interface enables different detection standards to be set according to different types of electric storage values, and the service life waste of the storage battery caused by different standards can be completely abandoned; the adopted alarm processing module can automatically determine the time for sending out the detection alarm, so that the alarm is ensured to be confirmed by an owner of the vehicle and further power consumption deterioration of the storage battery due to the detection alarm can be ensured to be avoided; the uniquely designed conversion circuit structure ensures the quality of measurement data; the remote monitoring of the state information of the storage battery is realized through the power and communication connection of the communication transmission display module, and a vehicle owner can select different versions of Bluetooth, internet of things communication and the like, so that the safety of the storage battery is ensured.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that:
The technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (9)

1. The comprehensive fault detection and alarm device for the storage battery is characterized by comprising 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 measuring and analog quantity digital quantity conversion module comprises a first measuring and conversion module, a second measuring and conversion module and a shaping and filtering module;
the first measurement conversion module comprises a current input interface, a first operational amplifier, a first diode, a first sliding rheostat, a first filter and a first digital quantity output interface; the current input interface is directly connected with a starting current measurement loop of the storage battery, and is also directly connected with the input end of the first operational amplifier; the output end of the first operational amplifier is directly connected with the anode of the first diode, and the cathode of the first diode is directly connected with one end of the first slide rheostat; the other end of the first sliding rheostat is directly connected with the ground, and the sliding end of the first sliding rheostat is directly connected with one end of the first filter; the other end of the first filter is directly connected with the ground, and one end of the filter is also directly connected with the first digital quantity output interface;
The second measurement conversion module comprises 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, a fifth resistor, a first capacitor, a second digital output interface and a system power supply; the first measurement input interface is directly connected with the anode of the storage battery, and the second measurement input interface is directly connected with the cathode of the storage battery; the second pin of the first chip is directly connected with the first measurement input interface, and the fourth pin of the first chip is directly connected with the second measurement input interface; the seventh pin of the first chip is directly connected with the positive electrode of the system power supply, and the eighth pin of the first chip is directly connected with the negative electrode of the system power supply; the fifth pin of the first chip is directly connected with the first pin of the second operational amplifier, and the sixth pin of the first chip is directly connected with the second pin of the second operational amplifier; the third pin of the second operational amplifier is directly connected with one end of the first resistor, and the other end of the first resistor is directly connected with the third pin of the second operational amplifier; the fourth pin of the second operational amplifier is directly connected with the ground, and the fifth pin of the second operational amplifier is directly connected with one end of the second resistor; the other end of the second resistor is directly connected with one end of the fourth resistor, and the other end of the fourth resistor is directly connected with a first pin of the third operational amplifier; one end of the third resistor is directly connected with one end of the fourth resistor, and the other end of the third resistor is directly connected with a fifth pin of the third operational amplifier; one end of the fifth resistor is directly connected with one end of the first capacitor, and the other end of the fifth resistor is directly connected with a second pin of the third operational amplifier; one end of the first capacitor is directly connected with the ground, and the other end of the first capacitor is directly connected with one end of the fourth resistor; one end of the second capacitor is directly connected with a first pin of the third operational amplifier, and the other end of the second capacitor is directly connected with a fifth pin of the third operational amplifier; the fifth pin of the third operational amplifier is also directly connected with the second digital quantity output interface;
The shaping filter module comprises 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 triode, a shaping module output interface and a system power supply; the shaping module input interface is directly connected with the second digital output interface of the second measurement conversion module, one end of the sixth resistor is directly connected with the shaping module input interface, and the other end of the seventh resistor is directly connected with the first pin of the fourth operational amplifier; one end of the seventh resistor is directly connected with the negative electrode of the system power supply, and the other end of the seventh resistor is directly connected with the second pin of the fourth operational amplifier; one end of the eighth resistor is directly connected with the positive electrode of the system power supply, and the other end of the eighth resistor is directly connected with the second pin of the fourth operational amplifier; one end of the ninth resistor is directly connected with a fourth pin of the fourth operational amplifier, the other end of the ninth resistor is directly connected with one end of the tenth resistor, and the other end of the tenth resistor is directly connected with the base electrode of the first triode; the third pin of the fourth operational amplifier is directly connected with the negative electrode of the system power supply, the fourth pin of the fourth operational amplifier is directly connected with the positive electrode of the system power supply, and the fifth pin of the fourth operational amplifier is directly connected with one end of the tenth resistor; the collector electrode of the first triode is directly connected with one end of the eleventh resistor, and the other end of the eleventh resistor is directly connected with the positive electrode of the system power supply; the emitter of the first triode is directly connected with the anode of the second diode, and the cathode of the second diode is directly connected with the base electrode of the first triode; and the collector electrode of the first triode is also directly connected with the output interface of the shaping module.
2. The battery fault detection warning device of claim 1, wherein the second measurement conversion module is coupled to the shaping filter module.
3. The comprehensive fault detection and alarm device for a storage battery 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 detection module, the voltage detection module and the internal resistance detection module are respectively connected with the alarm processing module.
4. The battery integrated fault detection and warning device according to claim 3, wherein the starting current detection module comprises 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 with the first digital quantity output interface of the first measurement conversion module; the current standard input interface is directly connected with an external starting current standard value setting program; the first pin of the second chip is directly connected with the positive electrode of the system power supply, the second pin of the second chip is directly connected with the negative electrode of the system power supply, the third pin of the second chip is directly connected with the current detection input interface, the fourth pin of the second chip is directly connected with the current standard input interface, and the fifth pin of the second chip is directly connected with the current detection output interface.
5. The battery integrated fault detection alarm device of claim 4, wherein the voltage detection module comprises 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 with the anode of the storage battery, and the second voltage input interface is directly connected with the cathode of the storage battery; the first pin of the third chip is directly connected with the positive electrode of the system power supply, the second pin of the third chip is directly connected with the negative electrode of the system power supply, the third pin of the third chip is directly connected with the first voltage input interface, the fourth pin of the third chip is directly connected with the second voltage input interface, the fifth pin of the third chip is directly connected with the negative electrode of the coil of the first relay, and the sixth pin of the third chip is directly connected with the negative electrode of the system power supply; the coil positive electrode of the first relay is directly connected with the positive electrode of the system power supply, the coil positive electrode of the first relay is also directly connected with the first node of the first relay, and the second node of the first relay is directly connected with the voltage detection output interface.
6. The battery integrated fault detection alarm device of claim 5, wherein the internal resistance detection module comprises 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 sixteenth resistor, a seventeenth resistor, an eighteenth resistor, a nineteenth resistor, a twentieth resistor, an internal resistance detection output interface, and a system power supply; the internal resistance detection input interface is directly connected with the shaping module output interface; the internal resistance standard input interface is directly connected with an external internal resistance standard value setting program; one end of the twelfth resistor is directly connected with the internal resistance detection input interface, and the other end of the twelfth resistor is directly connected with the second pin of the fourth chip; one end of the thirteenth resistor is directly connected with the internal resistance detection input interface, and the other end of the thirteenth resistor is directly connected with the first pin of the fourth chip; one end of the fourteenth resistor is directly connected with the first pin of the fifth operational amplifier, and the other end of the fourteenth resistor is directly connected with the fourth pin of the fourth chip; one end of the fifteenth resistor is directly connected with the first pin of the fifth operational amplifier, and the other end of the fifteenth resistor is directly connected with the third pin of the fourth chip; the second pin of the fourth chip is directly connected with one end of the sixteenth resistor, the third pin of the fourth chip is directly connected with one end of the sixteenth resistor, and the fifth pin of the fourth chip is directly connected with the other end of the sixteenth resistor; the seventh pin of the fourth chip is directly connected with one end of the seventeenth resistor, and the other end of the seventeenth resistor is directly connected with the negative electrode of the system power supply; an eighth pin of the fourth chip is directly connected with one end of the eighteenth resistor, and the other end of the eighteenth resistor is directly connected with the negative electrode of the system power supply; a ninth pin of the fourth chip is directly connected with one end of the nineteenth resistor, and the other end of the nineteenth resistor is directly connected with the negative electrode of the system power supply; a tenth pin of the fourth chip is directly connected with one end of the twentieth resistor, and the other end of the twentieth resistor is directly connected with the negative electrode of the system power supply; an eleventh pin of the fourth chip is directly connected with the positive electrode of the system power supply, and a twelfth pin of the fourth chip is directly connected with the negative electrode of the system power supply; the second pin of the fifth operational amplifier is directly connected with the internal resistance standard input interface, and the third pin of the fifth operational amplifier is directly connected with the internal resistance detection output interface.
7. The battery integrated fault detection alarm device of claim 6, wherein the alarm processing module comprises 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, a second alarm indicator, a third alarm indicator, an alarm buzzer, a fault detection output interface, and a system power supply;
the first processing input interface is directly connected with the current detection output interface, the second processing input interface is directly connected with the voltage detection output interface, and the third processing input interface is directly connected with the internal resistance detection output interface; the voltage detection instant first interface is directly connected with the anode of the storage battery, and the voltage detection instant first interface is directly connected with the cathode of the storage battery; the first pin of the fifth chip is directly connected with the positive electrode of the system power supply, and the second pin of the fifth chip is directly connected with the negative electrode of the system power supply; a third pin of the fifth chip is directly connected with the first processing input interface, a fourth pin of the fifth chip is directly connected with the second processing input interface, and a fifth pin of the fifth chip is directly connected with the third processing input interface; a sixth pin of the fifth chip is directly connected with the voltage detection instant first interface, and a seventh pin of the fifth chip is directly connected with the voltage detection instant second interface; the eighth pin of the fifth chip is directly connected with one end of the first alarm indicator lamp, and the other end of the first alarm indicator lamp is directly connected with one end of the alarm buzzer; the ninth pin of the fifth chip is directly connected with one end of the second alarm indicator lamp, and the other end of the second alarm indicator lamp is directly connected with one end of the alarm buzzer; the tenth pin of the fifth chip is directly connected with one end of the third alarm indicator lamp, and the other end of the third alarm indicator lamp is directly connected with one end of the alarm buzzer; the other end of the alarm buzzer is directly connected with the negative electrode of the system power supply; an eleventh pin of the fifth chip is directly connected with the fault detection output interface;
When the first alarm indicator lamp is in a first state, the alarm processing module sends out a current detection alarm, and the alarm buzzer sends out a beeping sound; when the first alarm indicator lamp is in a second state different from the first state, the alarm processing module does not send out a current detection alarm;
when the second alarm indicator lamp is in a third state, the alarm processing module sends out voltage detection alarm, and the alarm buzzer sends out beeping sound; when the second alarm indicator lamp is in a fourth state different from the third state, the alarm processing module does not send out a voltage detection alarm;
when the third alarm indicator lamp is in a fifth state, the alarm processing module sends out an internal resistance detection alarm, and the alarm buzzer sends out beeping sounds; when the third alarm indicator lamp is in a sixth state different from the fifth state, the alarm processing module does not send out an internal resistance detection alarm.
8. The battery integrated fault detection and warning device according to claim 7, wherein the communication transmission display module comprises a communication input interface, a communication conversion module and a communication output interface; the communication input interface is directly connected with a fault detection output interface of the alarm processing module; the input end of the communication conversion module is directly connected with the communication input interface, and the output end of the communication conversion module is directly connected with the communication output interface.
9. The method for realizing detection alarm by the comprehensive fault detection alarm device for storage battery according to one of claims 1 to 8, comprising the steps of:
(1) The method comprises the steps of realizing the measurement of the starting current value of the storage battery and comparing the starting current value with a standard value, if the starting current value is higher than the standard value, normally carrying out the next measurement, otherwise recording information;
(2) The stable voltage value of the storage battery is measured and compared with the standard value, if the stable voltage value is higher than the standard value, the measurement is carried out for the next time normally, otherwise, information is recorded;
(3) The internal resistance value of the storage battery is measured and compared with a standard value, if the internal resistance value is lower than the standard value, the measurement is carried out for the next time normally, and otherwise, information is recorded;
(4) The alarm processing module releases the record information after detecting that the instantaneous voltage drop of the storage battery reaches the voltage drop threshold value,
triggering an alarm indicator light and an alarm buzzer.
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