CN110297193A - Polytypic accumulator inspection system - Google Patents
Polytypic accumulator inspection system Download PDFInfo
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- CN110297193A CN110297193A CN201910555378.0A CN201910555378A CN110297193A CN 110297193 A CN110297193 A CN 110297193A CN 201910555378 A CN201910555378 A CN 201910555378A CN 110297193 A CN110297193 A CN 110297193A
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- battery
- tested
- polytypic
- group
- inspection system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The present invention is suitable for accumulator checking technical field, provides a kind of polytypic accumulator inspection system, which includes: monitoring management module and for being tested battery group multiple polling modules correspondingly with multiple groups;Each polling module connects one group of tested battery group, and the data for the battery that each model is identical or model is different in tested battery group are measured for real-time circulation;The monitoring management module connects the multiple polling module, correspondence for receiving the real-time measurement that the multiple polling module is sent is tested the data for the battery that each model is identical or model is different in battery group, and the data of all batteries are analyzed, the state of each battery is obtained, so as to realize the purpose being measured in real time to polytypic battery.
Description
Technical field
The invention belongs to accumulator checking technical field more particularly to a kind of polytypic accumulator inspection systems.
Background technique
The key equipment that battery is used as various vehicles, it is necessary to it is carried out reasonable standard, precise and high efficiency it is daily
Management and maintenance.Valve controlled sealed lead-acid accumulator (VRLA) can not be detected by means such as simple visual inspections.Together
When, due to battery enormous amount in warehouse, situation is different, and the workload of manual maintenance battery is too big, can only routine test,
It cannot the timely and effective current state for grasping inventory's battery.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of polytypic accumulator inspection system, to solve in the prior art
The problem of polytypic battery can not being measured in real time.
The first aspect of the embodiment of the present invention provides a kind of polytypic accumulator inspection system, comprising: monitoring management mould
Block and for being tested battery group multiple polling modules correspondingly with multiple groups;
Each polling module connects one group of tested battery group, measures each type in tested battery group for real-time circulation
The data of number identical or different model battery;
The monitoring management module connects the multiple polling module, the reality sent for receiving the multiple polling module
When the correspondence that measures be tested the data of the battery that each model is identical or model is different in battery group, and to all storages
The data of battery are analyzed, and the state of each battery is obtained.
In one embodiment, the connecting interface for measuring line and fastening is pulled and be arranged in each polling module by measuring line
It is connected with each battery in corresponding tested battery group;
Wherein, the measurement line is pulled as RVV cable, and the connecting interface is RJ45 interface.
In one embodiment, each polling module includes that measurement submodule, circuit protection submodule and circuit switch submodule
Block;
The measurement submodule, for measuring the data of each battery;
The circuit protection submodule, for being carried out when the overtension of any battery in measuring tested battery group
Voltage clamping absorbs unwanted currents to protect polytypic accumulator routing inspection circuit;
The circuit switching submodule, when being used for each measuring battery in every group of tested battery group, to every group
The each battery for including in tested battery group switches over.
In one embodiment, the measurement submodule includes internal resistance measurement unit and voltage measurement unit;
The internal resistance measurement unit, for measuring the internal resistance value of each battery;
The voltage measurement unit, for measuring the terminal voltage value of each battery.
In one embodiment, the internal resistance measurement unit includes low frequency signal subelement, constant-current source subelement, instrument amplification
Subelement, filtering subunit and signal extraction subelement;
The low frequency signal subelement and the constant-current source subelement collective effect generate AC constant-current source signal and inject
Into current surveyed battery;
The instrument amplifies subelement, and the voltage responsive signal for generating current surveyed battery both ends carries out gain
Amplification;
The filtering subunit crosses High-frequency Interference for filtering out the amplitude in the voltage responsive signal for carrying out gain amplification
With low-frequency disturbance excessively;
The signal extraction subelement for extracting the voltage signal in filtered voltage responsive signal, and is calculated and is obtained
Obtain the internal resistance value of currently surveyed battery.
In one embodiment, the circuit switching submodule includes corresponding with each battery in every group of tested battery group
Multiple relays;The circuit switching submodule is used to reach when the AC constant-current source signal for being injected into current surveyed battery
It when stablizing, controls the corresponding relay of upper one piece of battery and disconnects, while controlling the corresponding relay of next piece of battery and being attracted,
And it is switched to the state of next piece of battery of measurement.
In one embodiment, each polling module further includes circuit alarm module;
The circuit alarm module is alarmed inverse time for the positive and negative terminals folder when tested battery.
In one embodiment, the multiple polling module passes through connection cables and the communication being arranged in the connection cables
Interface is connect with monitoring management module;
Wherein, the connection cables are RVVP cable, and the communication interface is that RS232 turns RS422 interface.
In one embodiment, the data of each battery include the terminal voltage value and internal resistance value of each battery;
The monitoring management module is used for:
By the factory calibration voltage of the terminal voltage value of the receive first tested battery and the described first tested battery
Value is compared, according to comparison result determine the described first tested battery belonging to first state range, wherein described first
Tested battery is any tested battery;
It will be in the factory calibration of the internal resistance value for the described first tested battery that received and the described first tested battery
Resistance value is compared, according to comparison result determine the described first tested battery belonging to the second state range;
According to the first state range and second state range, the current shape of the described first tested battery is determined
State.
In one embodiment, the monitoring management module is also used to the state of each battery according to acquisition, generates each
The examining report of a battery is sent to terminal device by internet.
Existing beneficial effect is the embodiment of the present invention compared with prior art: measuring quilt by polling module real-time circulation
Survey the data of each battery in battery group;Monitoring management module connects the multiple polling module, described more for receiving
The correspondence for the real-time measurement that a polling module is sent is tested the data of each battery in battery group, and to all batteries
Data analyzed, the state of each battery is obtained, thus not only can be to same producer, same to model, same to batch, same to capacity
Battery detected, the battery of different manufacturers, different model, different batches, different capabilities can also be detected,
More suitable for the management and maintenance of a large amount of batteries of inventory, in addition by the way of distribution measuring, centralized management and maintenance, solve
The problem of inaccuracy and a large amount of manpower and material resources of inventory a large amount of battery artificial detections waste.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the schematic diagram of polytypic accumulator inspection system provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram of polling module provided in an embodiment of the present invention;
Fig. 3 is the schematic diagram of measurement submodule provided in an embodiment of the present invention;
Fig. 4 is the exemplary diagram of internal resistance measurement unit provided in an embodiment of the present invention;
Fig. 5 is the signal of the process for the state that monitoring management module provided in an embodiment of the present invention obtains each battery
Figure.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, in case unnecessary details interferes description of the invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Fig. 1 is a kind of schematic diagram of polytypic accumulator inspection system provided in an embodiment of the present invention, including multiple groups are tested
Battery group 1, multiple polling modules 2 and monitoring management module 3, details are as follows.
A kind of polytypic accumulator inspection system may include: monitoring management module 3 and for being tested battery with multiple groups
1 one-to-one multiple polling modules 2 of group;
Each polling module 2 connects one group of tested battery group 1, measures for real-time circulation each in tested battery group 1
The data for the battery that a model is identical or model is different;
The monitoring management module 3 connects the multiple polling module 2, sends for receiving the multiple polling module 2
The correspondence of real-time measurement be tested the data of each model is identical or model is different battery in battery group 1, and to institute
The data of some batteries are analyzed, and the state of each battery is obtained.
Above-mentioned polytypic accumulator inspection system, can be to being divided into each storage in the tested battery group of several groups in inventory
The carry out inspection of battery obtains the data of each battery, and analyzes the data of the battery of acquisition, obtains each storage
The state of battery, thus not only can to same producer, same to model, same to batch, detect with the battery of capacity, can also be right
Different manufacturers, different model, different batches, different capabilities battery detected, more suitable for a large amount of batteries of inventory
Management and maintenance, in addition by the way of distribution measuring, centralized management and maintenance, solve a large amount of battery artificial detections of inventory
Inaccuracy and a large amount of manpower and material resources waste the problem of.
Optionally, being each tested in battery group may include multiple batteries, wherein each wrapping in tested battery group
The battery included can be same producer, same to model, same to batch, the battery with capacity, be also possible to different manufacturers, different shaped
Number, the batteries of different batches, different capabilities, the application is to this without limiting.Optionally, it is each wrapped in tested battery group
The quantity of the battery included can also be set according to actual needs depending on inventory's battery quantity.
Optionally, each battery uses red, black two clips, is clipped on the positive and negative terminals of battery respectively.Optionally,
The measurement line of each battery can be measured using four-wire system.
Optionally, each polling module pulled by measuring line and be arranged in the connecting interface fastened of measurement line with it is corresponding
Tested battery group in the connection of each battery, the measurement line pulls as RVV cable, and the connecting interface connects for RJ45
Mouthful.
Optionally, as shown in Fig. 2, each polling module 2 may include measurement submodule 21,22 and of circuit protection submodule
Circuit switching submodule 23.
The measurement submodule 21, for measuring the data of each battery;
The circuit protection submodule 22 uses varistor, for any battery in measuring tested battery group
Voltage clamping is carried out when overtension, absorbs unwanted currents to protect polytypic accumulator routing inspection circuit;
The circuit switching submodule 23, when being used for each measuring battery in every group of tested battery group, to every
The each battery for including in the tested battery group of group switches over.
Optionally, each electric power storage in a tested battery group may be implemented by circuit switching submodule 23 in the present embodiment
Pond circuits sequentially measurement.The circuit switching submodule includes corresponding multiple with each battery in every group of tested battery group
Relay;Optionally, each battery can be with corresponding two relays.When the exchange constant current for being injected into current surveyed battery
When source signal reaches stable, controls the corresponding relay of upper one piece of battery and disconnect, while it is corresponding to control next piece of battery
Relay is attracted, and is switched to the state of next piece of battery of measurement.Optionally, generally it is injected into current surveyed battery
AC constant-current source signal can achieve stable state when injecting 40 seconds.
Optionally, as shown in Fig. 2, each polling module 2 further includes circuit alarm module 24.
The circuit alarm module is alarmed, to remind scene inverse time for the positive and negative terminals folder when tested battery
Management service personnel should correctly clamp battery.
Optionally, as shown in Fig. 2, each polling module 2 further includes data disaply moudle 25 and circuit interface module 26.
Data disaply moudle 25 is used to show the internal resistance value and terminal voltage value of each battery of real-time measurement.
Circuit interface module 26 is for providing additional interface, so that other equipment can access polytypic accumulator checking
System.
Optionally, as shown in figure 3, the measurement submodule 21 may include internal resistance measurement unit 211 and voltage measurement list
Member 212;
The internal resistance measurement unit 211, for measuring the internal resistance value of each battery;
The voltage measurement unit 212, for measuring the terminal voltage value of each battery.
Optionally, as shown in figure 4, the internal resistance measurement unit 211 may include low frequency signal subelement 2111, constant-current source
Subelement 2112, instrument amplification subelement 2113, filtering subunit 2114 and signal extraction subelement 2115;
The low frequency signal subelement 2111 and 2112 collective effect of constant-current source subelement generate AC constant-current source letter
Number and be injected into current surveyed battery;
The instrument amplifies subelement 2113, and the voltage responsive signal for generating current surveyed battery both ends carries out
Gain amplification;
The filtering subunit 2114 crosses high frequency for filtering out the amplitude in the voltage responsive signal for carrying out gain amplification
Interfere and cross low-frequency disturbance;
The signal extraction subelement 2115 for extracting the voltage signal in filtered voltage responsive signal, and is counted
Calculate the internal resistance value for obtaining current surveyed battery.
Optionally, the signal extraction subelement 2115 uses phase lock amplifying technology, is conducive to a kind of electronic switch type phase sensitivity
Wave detector, the extremely complex electric power storage that the AC constant-current source signal for being injected into current tested battery is generated on sample resistance
The voltage responsive signal in pond, becomes square-wave signal through over-voltage comparator, this square-wave signal is expanded into fourier series, through electricity
Sub switch control output difference frequency signal with and frequency signal, it is then low-pass filtered, remove accumulator internal resistance signal on cross high frequency do
Low-frequency disturbance is disturbed and crossed, obtains the linear representation of accumulator internal resistance value and voltage value, and calculate acquisition internal resistance value.Locking phase is put
Big technology not only simplifies design, and restrained effectively interference and noise, can accurately extract the milliohm grade internal resistance letter of battery
Number.
Optionally, using exchange injection, four-wire measurement and locking phase amplification detection internal resistance method, it can stablize and accurately provide in real time
Each accumulator internal resistance value.
Optionally, the multiple polling module 2 passes through connection cables and the communication interface being arranged in the connection cables
It is connect with monitoring management module 3;Wherein, the connection cables are RVVP cable, and the communication interface turns RS422 for RS232 and connects
Mouthful, turn RS422 interface by RVVP cable and RS232 data stabilization may be implemented reliably to transmit.
Optionally, as shown in figure 5, the state that the monitoring management module obtains each battery may include following step
Suddenly.
Step 501, by the factory of the terminal voltage value of the receive first tested battery and the described first tested battery
Standard voltage value is compared, according to comparison result determine the described first tested battery belonging to first state range.
Wherein, the described first tested battery is any tested battery.Optionally, it needs to deposit when each battery is put in storage
The factory data of battery is saved, the factory data of battery may include factory calibration voltage value and factory calibration internal resistance value.
Optionally, the end voltage status of battery can be divided into the states such as outstanding, good, critical, exception and damage, can be with
For the end voltage status setting range value of every kind of battery.Optionally, can according to the terminal voltage value of the first tested battery with
The difference of the factory calibration voltage value of the first tested battery sets voltage reference terminal value.
Step 502, going out the internal resistance value of the described first tested battery received and the described first tested battery
The quasi- internal resistance value of emblem mark is compared, according to comparison result determine the described first tested battery belonging to the second state range.
Optionally, the internal resistance state of battery can be divided into the states such as outstanding, good, critical, exception and damage, Ke Yiwei
The internal resistance state setting range value of every kind of battery.It optionally, can be according to the internal resistance value of the first tested battery and described the
The difference of the factory calibration internal resistance value of one tested battery sets internal resistance value range.
Step 503, according to the first state range and second state range, the described first tested battery is determined
Current state.
Optionally, before this step executes can according to the standard value of the internal resistance value of a large amount of battery and terminal voltage value and
Historical measurement data is analyzed, and the state of battery is arranged, and the state of battery can be divided into outstanding, good, critical, abnormal
With damage etc. states.
Optionally, the monitoring management module 3 is also used to the state of each battery according to acquisition, generates each electric power storage
The examining report in pond is sent to terminal device by internet, provides foundation for the later maintenance of battery.
Optionally, it should be noted that can also include power module in polytypic accumulator inspection system, for patrol
Inspection module and monitoring management module are powered.
Above-mentioned polytypic accumulator inspection system, can be to being divided into each storage in the tested battery group of several groups in inventory
The carry out inspection of battery obtains the data of each battery, and by monitoring management module respectively to the terminal voltage value of battery
With the judgement of internal resistance value, so as to accurately determine battery state.It not only can be to same producer, same to model, same to batch, same
The battery of capacity is detected, and can also be carried out to the battery of different manufacturers, different model, different batches, different capabilities
In addition detection uses distribution measuring, centralized management and the side of maintenance more suitable for the management and maintenance of a large amount of batteries of inventory
Formula solves the problems, such as the inaccuracy of a large amount of battery artificial detections of inventory and the waste of a large amount of manpower and material resources.
A kind of terminal device including the polytypic accumulator inspection system that any of the above-described embodiment provides, and has and appoints
The beneficial effect for the polytypic accumulator inspection system that one embodiment provides.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations;Although referring to aforementioned reality
Applying example, invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features;And these are modified
Or replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution should all
It is included within protection scope of the present invention.
Claims (10)
1. a kind of polytypic accumulator inspection system characterized by comprising monitoring management module and be used for and multiple groups are tested stores
Battery pack multiple polling modules correspondingly;
Each polling module connects one group of tested battery group, measures each model phase in tested battery group for real-time circulation
The data of same or different model battery;
The monitoring management module connects the multiple polling module, the real-time survey sent for receiving the multiple polling module
The correspondence of amount is tested the data for the battery that each model is identical or model is different in battery group, and to all batteries
Data analyzed, obtain the state of each battery.
2. polytypic accumulator inspection system as described in claim 1, which is characterized in that each polling module passes through measurement line
It pulls and the connecting interface that the measurement line is fastened is set and connected with each battery in corresponding tested battery group;
Wherein, the measurement line is pulled as RVV cable, and the connecting interface is RJ45 interface.
3. polytypic accumulator inspection system as described in claim 1, which is characterized in that each polling module includes measurement
Module, circuit protection submodule and circuit switching submodule;
The measurement submodule, for measuring the data of each battery;
The circuit protection submodule, for carrying out voltage when the overtension of any battery in measuring tested battery group
Clamper absorbs unwanted currents to protect polytypic accumulator routing inspection circuit;
The circuit switching submodule, for when each measuring battery, being tested to every group in every group of tested battery group
The each battery for including in battery group switches over.
4. polytypic accumulator inspection system as claimed in claim 3, which is characterized in that
The measurement submodule includes internal resistance measurement unit and voltage measurement unit;
The internal resistance measurement unit, for measuring the internal resistance value of each battery;
The voltage measurement unit, for measuring the terminal voltage value of each battery.
5. polytypic accumulator inspection system as claimed in claim 4, which is characterized in that
The internal resistance measurement unit includes low frequency signal subelement, constant-current source subelement, instrument amplification subelement, filtering subunit
With signal extraction subelement;
The low frequency signal subelement and the constant-current source subelement collective effect, which generate AC constant-current source signal and be injected into, to be worked as
In preceding surveyed battery;
The instrument amplifies subelement, and the voltage responsive signal for generating current surveyed battery both ends carries out gain and puts
Greatly;
The filtering subunit crosses High-frequency Interference and mistake for filtering out the amplitude in the voltage responsive signal for carrying out gain amplification
Low-frequency disturbance;
The signal extraction subelement for extracting the voltage signal in filtered voltage responsive signal, and calculates and is worked as
The internal resistance value of preceding surveyed battery.
6. polytypic accumulator inspection system as claimed in claim 5, which is characterized in that the circuit switching submodule includes
Multiple relays corresponding with battery each in every group of tested battery group;The circuit switching submodule is used to work as and be injected into
When the AC constant-current source signal of current surveyed battery reaches stable, controls the corresponding relay of upper one piece of battery and disconnect, together
When control the corresponding relay of next piece of battery and be attracted, and be switched to the state of next piece of battery of measurement.
7. polytypic accumulator inspection system as claimed in claim 3, which is characterized in that each polling module further includes circuit
Alarm module;
The circuit alarm module is alarmed inverse time for the positive and negative terminals folder when tested battery.
8. polytypic accumulator inspection system as described in claim 1, which is characterized in that the multiple polling module passes through company
Wiring cable and the communication interface being arranged in the connection cables are connect with monitoring management module;
Wherein, the connection cables are RVVP cable, and the communication interface is that RS232 turns RS422 interface.
9. polytypic accumulator inspection system as described in claim 1, which is characterized in that
The data of each battery include the terminal voltage value and internal resistance value of each battery;
The monitoring management module is used for:
By the factory calibration voltage value of the terminal voltage value of the receive first tested battery and the described first tested battery into
Row compare, according to comparison result determine the described first tested battery belonging to first state range;Wherein, described first is tested
Battery is any tested battery;
By the factory calibration internal resistance value of the internal resistance value of the described first tested battery received and the described first tested battery
Be compared, according to comparison result determine the described first tested battery belonging to the second state range;
According to the first state range and second state range, the current state of the described first tested battery is determined.
10. such as polytypic accumulator inspection system of any of claims 1-8, which is characterized in that
The monitoring management module is also used to the state of each battery according to acquisition, generates the detection report of each battery
It accuses, terminal device is sent to by internet.
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