CN111812520A - Storage battery comprehensive fault detection alarm device and method for realizing detection alarm - Google Patents
Storage battery comprehensive fault detection alarm device and method for realizing detection alarm Download PDFInfo
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- CN111812520A CN111812520A CN202010692554.8A CN202010692554A CN111812520A CN 111812520 A CN111812520 A CN 111812520A CN 202010692554 A CN202010692554 A CN 202010692554A CN 111812520 A CN111812520 A CN 111812520A
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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
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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]
- G01R31/371—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
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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]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a storage battery comprehensive fault detection alarm device and a method for realizing detection alarm, wherein the device comprises a measurement and analog digital quantity conversion module, a fault detection alarm processing module, a communication transmission display module and a direct current power supply module; the output end of the measurement and analog 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 measurement and analog 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
Technical Field
The invention relates to the technical field of automobile storage batteries, in particular to a storage battery comprehensive fault detection and alarm device and a method for realizing detection and alarm.
Background
The battery is an essential part of the automobile. When the vehicle is normally started, 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 not obvious, and the storage battery is mainly used for igniting for a few seconds only when the vehicle is started, so that the quality of the storage battery is not easy to be perceived by a vehicle owner in advance, and the storage battery is realized to be possibly invalid only when the vehicle is not ignited. In the face of the attack of sudden battery failure, the life rhythm of the owner can be disturbed and is also mishaped, and the requester starts with a fire and pays extra cost.
With the continuous development of the power detection technology, some automobiles have a function of prompting whether the battery is good or bad, but most of the automobiles simply measure the voltage of the storage battery, but the automobile cannot be ignited due to insufficient starting current of the storage battery, and the measured voltage of the storage battery is not accurate enough when the internal resistance of the battery is larger. Therefore, how to automatically and intelligently realize the comprehensive fault detection and alarm of the storage battery is a problem to be solved urgently at present.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a storage battery comprehensive fault detection and alarm device and a method for realizing detection and alarm, wherein the storage battery comprehensive fault detection and alarm device can be arranged in an installation bin (with a bin cover) preset on a storage battery cover body; the comprehensive detection of the starting current, the voltage and the internal resistance of the storage battery is judged and an alarm is sent out respectively. 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 digital quantity conversion module, a fault detection alarm processing module, a communication transmission display module and a direct-current power supply module; the output end of the measurement and analog 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 measurement and analog 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 measurement and analog digital quantity conversion module comprises a first measurement conversion module, a second measurement conversion module and a shaping filtering module; the first measurement conversion module comprises a current input interface, a first operational amplifier, a first diode, a first slide rheostat, a first filter 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; 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 sliding rheostat; the other end of the first slide rheostat is directly connected with the ground, and the sliding end of the first slide 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 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; a second pin of the first chip is directly connected with the first measurement input interface, and a fourth pin of the first chip is directly connected with the second measurement input interface; a seventh pin of the first chip is directly connected with the anode of the system power supply, and an eighth pin of the first chip is directly connected with the cathode of the system power supply; a fifth pin of the first chip is directly connected with a first pin of the second operational amplifier, and a sixth pin of the first chip is directly connected with a second pin of the second operational amplifier; a 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 a third pin of the second operational amplifier; a fourth pin of the second operational amplifier is directly connected to the ground, and a fifth pin of the second operational amplifier is directly connected to one end of the second resistor; the first pin and the third pin of the first chip are suspended; the type of the first chip is CD 4052.
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 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 with the first pin of the third operational amplifier, and the other end of the second capacitor is directly connected with the fifth pin of the third operational amplifier; and the fifth pin of the third operational amplifier is also directly connected with the second digital quantity output interface.
The shaping filtering 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 quantity 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 a 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 a second pin of the fourth operational amplifier; one end of the eighth resistor is directly connected with the anode of the system power supply, and the other end of the eighth resistor is directly connected with a second pin of the fourth operational amplifier; one end of the ninth resistor is directly connected to a 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 a base of the first triode; a third pin of the fourth operational amplifier is directly connected with the negative electrode of the system power supply, a fourth pin of the fourth operational amplifier is directly connected with the positive electrode of the system power supply, and a fifth pin of the fourth operational amplifier is directly connected with one end of the tenth resistor; a collector 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 anode 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 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 filtering module ensure the accuracy and amplification of the acquired 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 stitch lug connection of second chip the positive pole of system's power, the second stitch lug connection of second chip the negative pole of system's power, the third stitch lug connection of second chip the current detection input interface, the fourth stitch lug connection of second chip the electric current standard input interface, the fifth stitch lug connection of second chip the current detection output interface, the sixth stitch of second chip is unsettled, the type of 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; a first pin of the third chip is directly connected with the anode of the system power supply, a second pin of the third chip is directly connected with the cathode of the system power supply, a third pin of the third chip is directly connected with the first voltage input interface, a fourth pin of the third chip is directly connected with the second voltage input interface, a fifth pin of the third chip is directly connected with the cathode of the coil of the first relay, and a sixth pin of the third chip is directly connected with the cathode of the system power supply; the positive electrode of the coil of the first relay is directly connected with the positive electrode of the system power supply, the positive electrode of the coil 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 DF 3-D-D-V3-B-P3.
The third chip can set a standard voltage value 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 to the first pin of the fifth operational amplifier, and the other end of the fourteenth resistor is directly connected to 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; a second pin of the fourth chip is directly connected with one end of the sixteenth resistor, a third pin of the fourth chip is directly connected with one end of the sixteenth resistor, and a fifth pin of the fourth chip is directly connected with the other end of the sixteenth resistor; a 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 anode of the system power supply, a twelfth pin of the fourth chip is directly connected with the cathode of the system power supply, and a sixth pin of the fourth chip is suspended; and a second pin of the fifth operational amplifier is directly connected with the internal resistance standard input interface, and a 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 instantaneous first interface is directly connected with the anode of the storage battery, and the voltage detection instantaneous first interface is directly connected with the cathode of the storage battery; a first pin of the fifth chip is directly connected with the anode of the system power supply, and a second pin of the fifth chip is directly connected with the cathode of the system power supply; a third pin of the fifth chip is directly connected to the first processing input interface, a fourth pin of the fifth chip is directly connected to the second processing input interface, and a 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 with the voltage detection instantaneous first interface, and the seventh pin of the fifth chip is directly connected with the voltage detection instantaneous second interface; an 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; a 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; a 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 jointly detected by the instantaneous voltage detection first interface and the instantaneous voltage detection second interface, 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 the detected recording information needs to be alarmed, the fifth chip outputs the voltage drop value 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; 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 the internal resistance detection alarm information is output from a tenth pin of the fifth chip, so that the third alarm indicating lamp is in the fifth state.
When the first alarm indicating lamp is in the first state, the alarm processing module sends out a current detection alarm, and the alarm buzzer sends out a buzzing 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 indicating lamp is in the third state, the alarm processing module sends out a voltage detection alarm, and the alarm buzzer sends out a buzzing 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 indicating lamp is in the fifth state, the alarm processing module sends out an internal resistance detection alarm, and the alarm buzzer sends out a buzzing sound; and when the third alarm indicator lamp is in the sixth state different from the fifth state, the alarm processing module does not send out the 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 the 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 input end, a power supply negative input end, a sixth chip, a third capacitor, a fourth capacitor, a stabilized voltage supply positive output end and a stabilized voltage supply negative 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 source is directly connected with the second pin of the sixth chip, the negative output end of the voltage-stabilized source is directly connected with the third pin of the sixth chip, and the type of the sixth chip is 7805.
A method for realizing detection alarm of a storage battery comprehensive fault detection alarm device is characterized by comprising the following steps:
(1) the measurement of the starting current value of the storage battery is realized and is compared with a standard value, if the starting current value is higher than the standard value, the next measurement is carried out normally, otherwise, information is recorded;
(2) the stable voltage value of the storage battery is measured and compared with a standard value, if the stable voltage value is higher than the standard value, the next measurement is carried out normally, and otherwise, information is recorded;
(3) measuring the internal resistance value of the storage battery, comparing the internal resistance value with a standard value, if the internal resistance value is lower than the standard value, normally measuring the internal resistance value of the storage battery for the next time, and otherwise, recording information;
(4) and after the alarm processing module detects that the instantaneous voltage drop of the storage battery reaches a voltage drop threshold value, the recorded information is released, and an alarm indicator lamp and an alarm buzzer are triggered.
The invention provides a comprehensive fault detection and alarm device for a storage battery, which comprises a measurement and analog digital quantity conversion module, a fault detection alarm processing module, a communication transmission display module and a direct current power supply module, wherein the measurement and analog digital quantity conversion module is used for converting a digital quantity of the storage battery into a digital quantity; the output end of the measurement and analog 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 measurement and analog 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-factor judgment and detection are 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 current standard input interface, the voltage standard value and the internal resistance standard input interface are configured, so that different detection standards can be set for different types of storage values, and the waste of the service life of the storage battery caused by different standards can be completely eliminated;
(3) the adopted alarm processing module can automatically determine the time for sending the detection alarm, ensure that the alarm is confirmed by the vehicle owner and can ensure that the storage battery is prevented from further power consumption deterioration due to the detection alarm;
(4) the uniquely designed conversion circuit structure ensures the quality of the measured data;
(5) through the electric power and the communication connection of the communication transmission display module, the remote monitoring of the state information of the storage battery is realized, and the safety of the storage battery is ensured because the owner can select different versions such as Bluetooth and Internet of things communication.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of a first measurement conversion module of the battery integrated fault detection alarm apparatus of the present invention;
FIG. 2 is a block diagram of a second measurement conversion module of the battery integrated fault detection alarm apparatus of the present invention;
FIG. 3 is a block diagram of a shaping filter module of the integrated fault detection alarm device for storage batteries according to the present invention;
FIG. 4 is a block diagram of a current sensing module of the battery integrated fault sensing alarm apparatus of the present invention;
FIG. 5 is a block diagram of a voltage detection module of the integrated fault detection alarm device for a storage battery according to the present invention;
FIG. 6 is a block diagram of the internal resistance detection module of the integrated fault detection alarm device for storage batteries according to the present invention;
FIG. 7 is a block diagram of an alarm processing module of the integrated fault detection alarm device for a storage battery according to the present invention;
FIG. 8 is a block diagram of a DC power supply module of the integrated fault detection and alarm device for a storage battery according to the present invention;
FIG. 9 is a flow chart of a detection alarm method of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are presented for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "communicate" and "connect" are to be interpreted broadly, e.g., as a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8.
A storage battery comprehensive fault detection alarm device comprises a measurement and analog digital quantity conversion module, a fault detection alarm processing module, a communication transmission display module and a direct current power supply module; the output end of the measurement and analog 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 measurement and analog 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 measurement and analog digital quantity conversion module comprises a first measurement conversion module, a second measurement conversion module and a shaping filtering module; the first measurement conversion module comprises a current input interface, a first operational amplifier A1, a first diode D1, a first slide 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 slide rheostat RL1 is directly connected to the ground, and the sliding end of the first slide 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, and one end of the filter L1 is also directly connected to the first digital 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 quantity 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; a second pin of the first chip U1 is directly connected with the first measurement input interface, and a fourth pin of the first chip U1 is directly connected with the second measurement input interface; a seventh pin of the first chip U1 is directly connected to the positive electrode + S of the system power supply, and an eighth pin of the first chip U1 is directly connected to 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 to one end of the first resistor R1, and 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 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 the 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 the 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 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 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 output interface.
The shaping filtering 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 quantity output interface of the second measuring 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 a 4; one end of the seventh resistor R7 is directly connected to the negative electrode-S of the system power supply, and the other end of the seventh resistor R7 is directly connected to the second pin of the fourth operational amplifier A4; one end of the eighth resistor R8 is directly connected to the positive electrode + 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 a 4; 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 of the first transistor Q1; the third pin of the fourth operational amplifier A4 is directly connected to the negative-S of the system power supply, the fourth pin of the fourth operational amplifier A4 is directly connected to the positive + S of the system power supply, and 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 one end of the eleventh resistor R11, and the other end of the eleventh resistor R11 is directly connected to 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 of the first triode Q1; the collector of the first triode Q1 is also directly connected to the shaping module output interface. The second measurement conversion module and the shaping filtering module ensure the accuracy and amplification of the acquired 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 direct connection of second chip U2 the positive pole + S of system power, the second pin direct connection of second chip U2 the negative pole-S of system power, the third pin direct connection of second chip U2 the current detection input interface, the fourth pin direct connection of second chip U2 the current standard input interface, the fifth pin direct connection of second chip U2 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; a first pin of the third chip U3 is directly connected to the positive electrode + S of the system power supply, a second pin of the third chip U3 is directly connected to the negative electrode-S of the system power supply, a third pin of the third chip U3 is directly connected to the first voltage input interface, a fourth pin of the third chip U3 is directly connected to the second voltage input interface, a fifth pin of the third chip U3 is directly connected to the negative electrode of the coil of the first relay KT, and a sixth pin of the third chip U3 is directly connected to the negative electrode-S of the system power supply; the positive pole lug connection of first relay KT ' S coil the positive pole + S of system ' S power, the positive pole lug connection of first relay KT ' S coil still the first node of first relay KT, the second node lug connection of first relay KT the voltage detection output interface.
The third chip U3 may set a standard voltage value for determining whether the detected voltage value meets the requirement; first relay KT is time relay, can set up the delay time, has avoided the false alarm that voltage fluctuation leads to.
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; a second pin of the fourth chip U4 is directly connected to one end of the sixteenth resistor R16, a third pin of the fourth chip U4 is directly connected to one end of the sixteenth resistor R16, and a fifth pin of the fourth chip U4 is directly connected to the other end of the sixteenth resistor R16; a 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; an eighth pin of the fourth chip U4 is directly connected to one end of the eighteenth resistor R18, and the other end of the eighteenth resistor R18 is directly connected to the negative electrode-S of the system power supply; a 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 negative electrode-S of the system power supply; a 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 electrode-S of the system power supply; an eleventh pin of the fourth chip U4 is directly connected to the positive electrode + S of the system power supply, and a twelfth pin of the fourth chip U4 is directly connected to the negative electrode-S of the system power supply; 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 comprises a first processing input interface, a second processing input interface, a third processing input interface, a fifth chip U5, a voltage detection instant first interface, a voltage detection instant 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 instantaneous first interface is directly connected with the anode of the storage battery, and the voltage detection instantaneous first interface is directly connected with the cathode of the storage battery; a first pin of the fifth chip U5 is directly connected with the positive electrode + S of the system power supply, and a second pin of the fifth chip U5 is directly connected with the negative electrode-S of the system power supply; a third pin of the fifth chip U5 is directly connected to the first processing input interface, a fourth pin of the fifth chip U5 is directly connected to the second processing input interface, and a 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 transient first interface, and the seventh pin of the fifth chip U5 is directly connected to the voltage detection transient second interface; an eighth pin of the fifth chip U5 is directly connected to one end of the first alarm indicator lamp T1, and the other end of the first alarm indicator lamp T1 is directly connected to one end of the alarm buzzer B; a ninth pin of the fifth chip U5 is directly connected to one end of the second alarm indicator lamp T2, and the other end of the second alarm indicator lamp T2 is directly connected to one end of the alarm buzzer B; a tenth pin of the fifth chip U5 is directly connected to one end of the third alarm indicator lamp T3, and the other end of the third alarm indicator lamp T3 is directly connected to 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; an 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 jointly detected by the instantaneous voltage detection first interface and the instantaneous voltage detection second interface, when the instantaneous voltage drop value of the storage battery exceeds a set value, the automobile is considered to be started, and if the detected recording information needs to be alarmed, the fifth chip U5 outputs the voltage drop value. The current detection alarms the eighth pin output of the fifth chip U5, so that the first alarm indicator lamp 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 lamp 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 lamp T3 is in the fifth state.
When the first alarm indicator lamp T1 is in the first state, the alarm processing module sends out a current detection alarm, and the alarm buzzer B sends out a buzzer sound; when the first alarm indicator lamp T1 is in the second state different from the first state, the alarm processing module does not issue a current detection alarm;
when the second alarm indicator lamp T2 is in the third state, the alarm processing module issues a voltage detection alarm, and the alarm buzzer B issues a buzzer sound; when the second alarm indicator lamp T2 is in the fourth state, which is different from the third state, the alarm processing module does not issue a voltage detection alarm;
when the third alarm indicator lamp T3 is in the fifth state, the alarm processing module issues an internal resistance detection alarm, and the alarm buzzer B issues a buzzer sound; when the third warning indicator lamp T3 is in the sixth state, which is different from the fifth state, the warning processing module does not issue an internal resistance detection warning.
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 the 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 power input end is directly connected with the first pin of the sixth chip U6, and the negative power input end 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 stabilized voltage supply is directly connected with the second pin of the sixth chip U6, and the negative output end of the stabilized voltage supply is directly connected with the third pin of the sixth chip U6.
Please refer to fig. 9.
A storage battery comprehensive fault detection alarm device and a method for realizing detection alarm are characterized by comprising the following steps:
(1) the measurement of the starting current value of the storage battery is realized and is compared with a standard value, if the starting current value is higher than the standard value, the next measurement is carried out normally, otherwise, information is recorded;
(2) the stable voltage value of the storage battery is measured and compared with a standard value, if the stable voltage value is higher than the standard value, the next measurement is carried out normally, and otherwise, information is recorded;
(3) measuring the internal resistance value of the storage battery, comparing the internal resistance value with a standard value, if the internal resistance value is lower than the standard value, normally measuring the internal resistance value of the storage battery for the next time, and otherwise, recording information;
(4) and after the alarm processing module detects that the instantaneous voltage drop of the storage battery reaches a voltage drop threshold value, the recorded information is released, and an alarm indicator lamp and an alarm buzzer are triggered.
The invention provides a comprehensive fault detection and alarm device for a storage battery, which comprises a measurement and analog digital quantity conversion module, a fault detection alarm processing module, a communication transmission display module and a direct current power supply module, wherein the measurement and analog digital quantity conversion module is used for converting a digital quantity of the storage battery into a digital quantity; the output end of the measurement and analog 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 measurement and analog 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-factor judgment and detection are 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 current standard input interface, the voltage standard value and the internal resistance standard input interface are configured, so that different detection standards can be set for different types of storage values, and the waste of the service life of the storage battery caused by different standards can be completely eliminated; the adopted alarm processing module can automatically determine the time for sending the detection alarm, ensure that the alarm is confirmed by the vehicle owner and can ensure that the storage battery is prevented from further power consumption deterioration due to the detection alarm; the uniquely designed conversion circuit structure ensures the quality of the measured data; through the electric power and the communication connection of the communication transmission display module, the remote monitoring of the state information of the storage battery is realized, and the safety of the storage battery is ensured because the owner can select different versions such as Bluetooth and Internet of things communication.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that:
the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The comprehensive fault detection and alarm device for the storage battery is characterized by comprising a measurement and analog digital quantity conversion module, a fault detection alarm processing module, a communication transmission display module and a direct-current power supply module; the output end of the measurement and analog 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 measurement and analog digital quantity conversion module, the fault detection alarm processing module and the communication transmission display module.
2. The integrated fault detection and alarm device for storage batteries according to claim 1, wherein the analog-to-digital conversion module comprises a first measurement conversion module, a second measurement conversion module and a shaping filter module, and the second measurement conversion module is connected with the shaping filter module.
3. The battery integrated fault detection alarm device according to claim 2, wherein the first measurement conversion module comprises a current input interface, a first operational amplifier, a first diode, a first slide rheostat, a first filter and a first digital 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; 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 sliding rheostat; the other end of the first slide rheostat is directly connected with the ground, and the sliding end of the first slide 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 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; a second pin of the first chip is directly connected with the first measurement input interface, and a fourth pin of the first chip is directly connected with the second measurement input interface; a seventh pin of the first chip is directly connected with the anode of the system power supply, and an eighth pin of the first chip is directly connected with the cathode of the system power supply; a fifth pin of the first chip is directly connected with a first pin of the second operational amplifier, and a sixth pin of the first chip is directly connected with a second pin of the second operational amplifier; a 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 a third pin of the second operational amplifier; a fourth pin of the second operational amplifier is directly connected to the ground, and a 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 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 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 with the first pin of the third operational amplifier, and the other end of the second capacitor is directly connected with the 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 filtering 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 quantity 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 seventh resistor is directly connected with a 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 a second pin of the fourth operational amplifier; one end of the eighth resistor is directly connected with the anode of the system power supply, and the other end of the eighth resistor is directly connected with a second pin of the fourth operational amplifier; one end of the ninth resistor is directly connected to a 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 a base of the first triode; a third pin of the fourth operational amplifier is directly connected with the negative electrode of the system power supply, a fourth pin of the fourth operational amplifier is directly connected with the positive electrode of the system power supply, and a fifth pin of the fourth operational amplifier is directly connected with one end of the tenth resistor; a collector 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 anode 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 of the first triode; and the collector electrode of the first triode is also directly connected with the output interface of the shaping module.
4. The integrated fault detection and alarm device for storage batteries according to claim 3, wherein said 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 said starting current detection module, voltage detection module and internal resistance detection module are respectively connected with said internal resistance detection module.
5. The integrated fault detection and alarm device for the storage battery as claimed in claim 4, 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 stitch lug connection of second chip the positive pole of system's power, the second stitch lug connection of second chip the negative pole of system's power, the third stitch lug connection of second chip the current detection input interface, the fourth stitch lug connection of second chip the current standard input interface, the fifth stitch lug connection of second chip the current detection output interface.
6. The integrated fault detection and alarm device for the storage battery as claimed in claim 5, 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 end is directly connected with the cathode of the storage battery; a first pin of the third chip is directly connected with the anode of the system power supply, a second pin of the third chip is directly connected with the cathode of the system power supply, a third pin of the third chip is directly connected with the first voltage input interface, a fourth pin of the third chip is directly connected with the second voltage input interface, a fifth pin of the third chip is directly connected with the cathode of the coil of the first relay, and a sixth pin of the third chip is directly connected with the cathode of the system power supply; the positive pole of the coil of the first relay is directly connected with the positive pole of the system power supply, the positive pole of the coil 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.
7. The integrated fault detection and alarm device for the storage battery as claimed in claim 6, 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 to the first pin of the fifth operational amplifier, and the other end of the fourteenth resistor is directly connected to 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; a second pin of the fourth chip is directly connected with one end of the sixteenth resistor, a third pin of the fourth chip is directly connected with one end of the sixteenth resistor, and a fifth pin of the fourth chip is directly connected with the other end of the sixteenth resistor; a 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 anode of the system power supply, and a twelfth pin of the fourth chip is directly connected with the cathode of the system power supply; and a second pin of the fifth operational amplifier is directly connected with the internal resistance standard input interface, and a third pin of the fifth operational amplifier is directly connected with the internal resistance detection output interface.
8. The integrated fault detection and alarm device for storage batteries according to claim 7, 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 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 instantaneous first interface is directly connected with the anode of the storage battery, and the voltage detection instantaneous first interface is directly connected with the cathode of the storage battery; a first pin of the fifth chip is directly connected with the anode of the system power supply, and a second pin of the fifth chip is directly connected with the cathode of the system power supply; a third pin of the fifth chip is directly connected to the first processing input interface, a fourth pin of the fifth chip is directly connected to the second processing input interface, and a 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 with the voltage detection instantaneous first interface, and the seventh pin of the fifth chip is directly connected with the voltage detection instantaneous second interface; an 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; a 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; a 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.
When the first alarm indicating lamp is in a first state, the alarm processing module sends out a current detection alarm, and the alarm buzzer sends out a buzzing 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 indicating lamp is in a third state, the alarm processing module sends out a voltage detection alarm, and the alarm buzzer sends out a buzzing 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 indicating lamp is in a fifth state, the alarm processing module sends out an internal resistance detection alarm, and the alarm buzzer sends out a buzzing sound; and 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.
9. The integrated fault detection and alarm device for storage batteries according to claim 8, 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 the 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.
10. The method for realizing detection alarm of the integrated battery fault detection alarm device according to any one of claims 3-9, characterized by comprising the following steps:
(1) the measurement of the starting current value of the storage battery is realized and is compared with a standard value, if the starting current value is higher than the standard value, the next measurement is carried out normally, otherwise, information is recorded;
(2) the stable voltage value of the storage battery is measured and compared with a standard value, if the stable voltage value is higher than the standard value, the next measurement is carried out normally, and otherwise, information is recorded;
(3) measuring the internal resistance value of the storage battery, comparing the internal resistance value with a standard value, if the internal resistance value is lower than the standard value, normally measuring the internal resistance value of the storage battery for the next time, and otherwise, recording information;
(4) the alarm processing module releases the recorded information after detecting that the instantaneous voltage drop of the storage battery reaches the voltage drop threshold,
triggering an alarm indicator light and an alarm buzzer.
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