CN112415393A - Lead-acid storage battery inspection acquisition module of emergency power supply - Google Patents
Lead-acid storage battery inspection acquisition module of emergency power supply Download PDFInfo
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- CN112415393A CN112415393A CN202011276297.6A CN202011276297A CN112415393A CN 112415393 A CN112415393 A CN 112415393A CN 202011276297 A CN202011276297 A CN 202011276297A CN 112415393 A CN112415393 A CN 112415393A
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- 238000003860 storage Methods 0.000 title claims abstract description 30
- 239000002253 acid Substances 0.000 title claims abstract description 21
- 238000007689 inspection Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
-
- 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]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
- G01R31/379—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator for lead-acid batteries
-
- 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
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- 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]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a lead-acid storage battery patrol inspection acquisition module of an emergency power supply, which comprises a control circuit, wherein the control circuit is connected with a temperature detection circuit, a voltage and current detection circuit, a power circuit and a communication circuit, the control circuit is provided with a Cortex-M4 series STM32F103C8T6 chip, the voltage detection circuit mainly comprises 18 voltage signal gating pipelines consisting of a decoding circuit chip 74HC154D, a metering chip CS5643 and an optocoupler TLP172, the voltage detection circuit is used for detecting the voltage of a battery pack and the voltage of a single battery, and the temperature detection circuit is provided with a DS18B20 chip; this module can be in real time patrolled and examined every battery in the storage battery, detects the voltage, electric current, the temperature condition of every section battery, when battery voltage, temperature, electric current go wrong, transmits to the host computer, lets not on-the-spot personnel can discover battery trouble in the group battery in the control to avoid the battery in the group battery condition such as conflagration.
Description
Technical Field
The invention relates to a battery technology, in particular to a lead-acid storage battery polling acquisition module of an emergency power supply.
Background
Under the current global environment, energy and environment face huge challenges, the development of renewable resources increasingly occupies an important position in industrial and civil life, the key of the vigorous development of new energy is the improvement of energy storage technology, so the development and the improvement of the energy storage technology are paid more and more attention and are widely concerned by countries in the world, a distributed power generation system and energy storage equipment based on renewable energy are also increasingly concerned and welcomed, and the cadmium-nickel storage battery is not suitable for a current transformer substation, so the valve-controlled lead-acid storage battery replaces the cadmium-nickel storage battery and is largely used in the current transformer substations and power plants; the lead-acid storage battery has very reliable performance and very convenient maintenance, the requirement in the current production and life is increasingly increased, the lead-acid storage battery is not only suitable for being used in the occasions where small current slowly discharges, but also suitable for the large current which quickly discharges; in China, a plurality of manufacturers manufacture lead-acid storage batteries, so the brands of the lead-acid storage batteries are various, but the manufacturers have obvious differences in the aspects of quality management, operation process, product creation and the like, even the conditions of leakage of the storage batteries, shell cracking of the storage batteries or drying up of electrolyte often occur, in addition, the service time of the storage batteries is easily influenced by the width of a polar plate and the water loss degree, the change of internal resistance of the storage batteries and the balance consistency of the grouped storage batteries are also distinguished, and based on the problems of the existing storage batteries, the storage batteries need to be carefully selected and should be products which are qualified through the inspection and test of an industrial experimental station and have certain application experience.
Emergency power source mainly used emergency lighting uses, by the battery, the dc-to-ac converter, the combination forms such as charger, wherein the battery is very important, when the commercial power abnormal conditions appears, emergency power source starts emergent for the load power supply, if phenomenons such as battery internal damage, the undervoltage excessive pressure of battery, personnel can't detect one by one, then can make equipment when emergent, can't normally provide the illumination, cause the emergence of personnel's damage and accident, under the serious condition, can make the battery the condition such as spontaneous combustion appear.
Disclosure of Invention
The invention aims to provide a lead-acid storage battery inspection acquisition module of an emergency power supply, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an emergency power source's lead acid battery patrols and examines collection module, includes control circuit, control circuit is connected with temperature detection circuit, voltage current detection circuit, power supply circuit and communication circuit, control circuit has the STM32F103C8T6 chip of Cortex-M4 series, and 18 voltage signal gating pipelines are mainly constituteed by decoding circuit chip 74HC154D, measurement chip CS5643, opto-coupler TLP172 to voltage detection circuit, and voltage detection circuit is used for carrying out group battery voltage and single battery voltage detection, temperature detection circuit has DS18B20 chip, and temperature detection circuit is used for carrying out the temperature detection work of group battery and single battery, the upper computer is connected to communication circuit, and communication circuit is used for transmitting the voltage value and the temperature value that detect to the upper computer.
The power supply circuit adopts an XL4015 chip and an LM2596 chip as main power supply chips, and is also provided with an AMS1117-3.3 chip, and the switching frequencies of the XL4015 chip and the LM2596 chip are respectively 180KHZ and 150 KHZ; the voltage and current detection circuit comprises a battery gating acquisition circuit and a battery resistance and current acquisition circuit; the battery gating acquisition circuit mainly comprises a decoding circuit chip 74HC154D, a metering chip CS5643 and an optocoupler TLP 172; the battery resistance current acquisition circuit comprises a current transformer, and a current sensor is connected to a current sampling end of the metering chip CS5463 through a resistor and a capacitor; the temperature detection circuit is provided with a DS18B20 chip, and the DS18B20 chip is connected with an STM32F103C8T6 chip; the communication circuit is an isolation RS485 circuit and comprises a high-speed optocoupler 6N137, a DC-DC isolation power supply and an MAX485 chip.
As a preferred embodiment of the present invention: and (3) connecting a 4-10 omega PTC resistor in series on each output pin of the MAX485 chip, and connecting TVS tubes to the ground at 485A/485B respectively.
Compared with the prior art, the invention has the beneficial effects that: this module can be in real time patrolled and examined every battery in the storage battery, detects the voltage, electric current, the temperature condition of every section battery, when battery voltage, temperature, electric current go wrong, transmits to the host computer, lets not on-the-spot personnel can discover battery trouble in the group battery in the control to avoid the battery in the group battery condition such as conflagration.
Drawings
FIG. 2 is a circuit diagram of an XL4015 chip in a power supply circuit.
FIG. 3 is a circuit diagram of an LM2596 chip in the power supply circuit.
FIG. 4 is a circuit diagram of the AMS1117-3.3 chip in the power supply circuit.
Fig. 5 is a circuit connection diagram of the battery gating acquisition circuit.
Fig. 6 is a circuit connection diagram of the battery resistance current acquisition circuit.
Fig. 7 is a circuit diagram of the temperature detection current.
Fig. 8 is a circuit diagram of a serial communication circuit.
FIG. 9 is a circuit diagram of an STM chip.
Fig. 10 is a flow chart of the system operation principle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used 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 "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either 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.
Example 1:
referring to fig. 1 and 9, a lead-acid battery polling acquisition module of an emergency power supply comprises a control circuit, wherein the control circuit is connected with a temperature detection circuit, a voltage and current detection circuit, a power circuit and a communication circuit, the control circuit is provided with a Cortex-M4 series STM32F103C8T6 chip, the voltage detection circuit mainly comprises 18 voltage signal gating pipelines composed of a decoding circuit chip 74HC154D, a metering chip CS5643 and an opto-coupler TLP172, the voltage detection circuit is used for detecting the voltage of a battery pack and the voltage of a single battery, the temperature detection circuit is provided with a DS18B20 chip and is used for detecting the temperature of the battery pack and the single battery, the communication circuit is connected with an upper computer, and the communication circuit is used for transmitting the detected voltage value and temperature value to the upper computer.
Referring to fig. 2-4, specifically, the power supply circuit adopts an XL4015 chip and an LM2596 chip as main power supply chips, and the power supply circuit further has an AMS1117-3.3 chip, switching frequencies of the XL4015 chip and the LM2596 chip are 180KHZ and 150KHZ respectively, when patrol collection is performed, a direct current 24V power supply outputs 12V/5A direct current voltage through the XL4015 chip, a direct current 12V power supply outputs 5V/5A direct current voltage through the LM2596 chip, and a direct current 5V voltage outputs 3.3V direct current voltage through the AMS1117-3.3S chip.
Referring to fig. 5-6, the voltage current detection circuit includes a battery gating acquisition circuit and a battery resistance current acquisition circuit.
The battery gating acquisition circuit mainly comprises a decoding circuit chip 74HC154D, a metering chip CS5643 and an optocoupler TLP172, wherein the decoder 74HC154D is a high-speed CMOS device, and is used as a 1-16 demultiplexer to input 4 high-effective address bits and output 16 low-effective mutually exclusive address bits; the input enable pin of the 74HC154D is composed of two gate and circuits, and when the two pins are set to low level, the two pins can be used as output terminals; the functions of the two input enable pins can be used for the condition that 16 outputs are insufficient and a decoder needs to be added, and can also clear false signals on the output end to realize decoder gating; the optocoupler TLP172 is a device for transmitting electrical signals by using light as a medium, wherein when an input end is powered on, a light emitter emits light, and a light receiver receives the light and then generates photocurrent which flows out from an output end, thereby realizing 'electro-optic-electro' conversion; the photoelectric coupler which takes light as a medium to couple the signal of the input end to the output end has the advantages of small volume, long service life, no contact, strong anti-interference capability, insulation between the output and the input, unidirectional signal transmission and the like, and is widely applied to a digital circuit; the measurement of a single battery needs 2 pins on 74HC154D and 2 optocoupler TLPs 172, the cathodes of the first battery and the second battery can be connected to the upper end pin of the output end of the 2 optocoupler TLPs 172, the lower end pins are respectively connected to the voltage sampling end of the CS5463 chip, the output ends Y0-Y15 of the 2 74HC154D are controlled to be set to be low level in sequence, so that the optocoupler TLPs 172 are sequentially switched on, corresponding storage batteries are also sequentially gated, at this time, the CS5463 chip detects the voltage of the single battery and transmits data to the core chip for processing, the output ends of the 2 74HC154D are continuously controlled, and the voltages of multiple batteries can be calculated; the measurement principle of multiple batteries is the same as that of a single battery, when the multiple batteries measure voltage, the pin 74HC154D is controlled to release the cathode voltage of the first battery and the cathode voltage of the last battery on the optocoupler TLP172, the cathode voltages are respectively connected to the voltage sampling end of the CS5463 chip, and a query voltage instruction is sent to the CS5463 chip through the STM chip, so that the battery pack voltage is obtained and is transmitted to the screen through the communication module for display.
The battery resistance current acquisition circuit comprises a current transformer, wherein a current sensor is connected to a current sampling end of a metering chip CS5463 through a resistor and a capacitor, and when measurement is carried out, an STM32F103C8T6 chip sends a current query instruction to the CS5463 chip, so that battery pack current is acquired and is transmitted to a screen for display through a communication module.
Referring to fig. 7, the temperature detection circuit is provided with a DS18B20 chip, the DS18B20 chip is connected with an STM32F103C8T6 chip, when detection is performed, the DS18B20 chip is attached to the surface of a battery and used for detecting the temperature of the battery, and after the DS18B20 chip detects the temperature, data are sent to an STM32F103C8T6 microprocessor for analysis and processing and are transmitted to an upper computer through a communication circuit.
Referring to fig. 8, the communication circuit is an isolation RS485 circuit and includes a high-speed optocoupler 6N137, a DC-DC isolation power supply and an MAX485 chip, the DC-DC isolation power supply converts an input power supply to implement two groups of power supplies that are not in common with ground, the high-speed optocoupler 6N137 implements isolation transmission of signals, the whole communication system is not in common with the control system, and the generation of high common mode voltage is effectively suppressed if the communication system is completely isolated.
As shown in fig. 10, in operation, the STM32F103C8T6 chip controls the pins of the 74HC154D chip, the CS5463 chip reads the battery voltage and current, the STM32F103C8T6 chip reads the voltage and current in the CS5463 chip, and the STM chip transmits the battery voltage and current data via the serial port.
Example 2:
on the basis of the embodiment 1, 4-10 Ω PTC resistors are respectively connected in series to the output pin of the MAX485 chip, and the ground terminals of 485A \485B are respectively connected with a TVS tube to realize the stability of the communication circuit.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The lead-acid storage battery inspection acquisition module of the emergency power supply comprises a control circuit and is characterized in that the control circuit is connected with a temperature detection circuit, a voltage and current detection circuit, a power circuit and a communication circuit, the control circuit is provided with a Cortex-M4 series STM32F103C8T6 chip, the voltage detection circuit mainly comprises 18 voltage signal gating pipelines consisting of a decoding circuit chip 74HC154D, a metering chip CS5643 and an optocoupler TLP172, the voltage detection circuit is used for detecting the voltage of a battery pack and the voltage of a single battery, the temperature detection circuit is provided with a DS18B20 chip and is used for detecting the temperature of the battery pack and the single battery, the communication circuit is connected with an upper computer, and the communication circuit is used for transmitting the detected voltage value and temperature value to the upper computer.
2. The lead-acid storage battery inspection collection module of the emergency power supply of claim 1, wherein the power supply circuit adopts an XL4015 chip and an LM2596 chip as main power supply chips, and the power supply circuit further comprises an AMS1117-3.3 chip.
3. The lead-acid storage battery inspection collection module of the emergency power supply according to claim 2, wherein the switching frequencies of an XL4015 chip and an LM2596 chip are 180KHZ and 150KHZ respectively.
4. The lead-acid storage battery inspection and collection module of the emergency power supply according to claim 1, wherein the voltage and current detection circuit comprises a battery gating collection circuit and a battery resistance and current collection circuit.
5. The lead-acid battery inspection and collection module of an emergency power supply according to claim 4, wherein the battery gating collection circuit is mainly composed of a decoding circuit chip 74HC154D, a metering chip CS5643 and an optocoupler TLP 172.
6. The lead-acid storage battery inspection and collection module of the emergency power supply according to claim 5, wherein the battery resistance current collection circuit comprises a current transformer, and a current sensor is connected to a current sampling end of the metering chip CS5463 through a resistor and a capacitor.
7. The lead-acid storage battery inspection and collection module of the emergency power supply according to claim 1, wherein the temperature detection circuit is provided with a DS18B20 chip, and the DS18B20 chip is connected with an STM32F103C8T6 chip.
8. The lead-acid storage battery inspection and collection module of the emergency power supply according to claim 1, wherein the communication circuit is an isolation RS485 circuit and comprises a high-speed optical coupler 6N137, a DC-DC isolation power supply and a MAX485 chip.
9. The lead-acid storage battery inspection and collection module of the emergency power supply according to claim 8, wherein a 4-10 Ω PTC resistor is connected in series with each output pin of the MAX485 chip, and a TVS tube is connected to the ground of 485A/485B.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011276297.6A CN112415393A (en) | 2020-11-16 | 2020-11-16 | Lead-acid storage battery inspection acquisition module of emergency power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011276297.6A CN112415393A (en) | 2020-11-16 | 2020-11-16 | Lead-acid storage battery inspection acquisition module of emergency power supply |
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| CN112415393A true CN112415393A (en) | 2021-02-26 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293370A (en) * | 2013-05-10 | 2013-09-11 | 温州大学 | Voltage-temperature integrated testing device of storage battery set |
| CN107656214A (en) * | 2017-10-11 | 2018-02-02 | 天津子木源盛科技有限公司 | A kind of valve-regulated lead-acid battery wireless inspection device |
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2020
- 2020-11-16 CN CN202011276297.6A patent/CN112415393A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293370A (en) * | 2013-05-10 | 2013-09-11 | 温州大学 | Voltage-temperature integrated testing device of storage battery set |
| CN107656214A (en) * | 2017-10-11 | 2018-02-02 | 天津子木源盛科技有限公司 | A kind of valve-regulated lead-acid battery wireless inspection device |
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Application publication date: 20210226 |