CN104569591A - Wiring method for measurement of single internal resistance of storage battery by using single measuring module - Google Patents
Wiring method for measurement of single internal resistance of storage battery by using single measuring module Download PDFInfo
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- CN104569591A CN104569591A CN201310471490.9A CN201310471490A CN104569591A CN 104569591 A CN104569591 A CN 104569591A CN 201310471490 A CN201310471490 A CN 201310471490A CN 104569591 A CN104569591 A CN 104569591A
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- 238000005259 measurement Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 claims abstract description 46
- 239000010949 copper Substances 0.000 claims abstract description 46
- 230000005611 electricity Effects 0.000 claims description 81
- 239000000178 monomer Substances 0.000 claims description 21
- 239000012634 fragment Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The invention discloses a wiring method for measurement of single internal resistance of a storage battery by using a single measuring module. In wiring, positive pole voltage wires, positive pole current wires, negative pole voltage wires and negative pole current wires of internal resistance measuring modules are not directly connected to wiring terminals of single batteries corresponding to the internal resistance measuring modules; the positive pole voltage wires and positive pole current wires of the middle internal resistance measuring modules are connected onto the negative pole wiring terminals of the adjacent upper single batteries; the negative pole voltage wires and the negative pole current wires of the middle internal resistance measuring modules are connected onto the positive pole wiring terminals of the adjacent lower single batteries; the positive pole voltage wires, the positive pole current wires, the negative pole voltage wires and the negative pole current wires of the internal resistance measuring modules at the head and tail ends are connected with the end parts of corresponding copper connecting bands. During measurement, the resistance of the copper connecting band and the internal resistance of the corresponding single batteries are combined together; the obtained data can accurately represent the working condition of the single batteries of the accumulator battery and the corresponding copper connecting band; more effective preventing and alarming function can be played to avoid possible accidents.
Description
Technical field
The present invention relates to accumulator monitoring field, measure the mode of connection of each monomer internal resistance of battery pack in particular to a kind of monomer measurement module.
Background technology
Many electronic equipments, due to the singularity of work, often need non-stop run in 24 hours, and this just needs to utilize accumulator as the standby power supply had a power failure.For ensureing the reliability of standby power supply work, needing to carry out state-detection to standby power supply, to grasp the various state parameters of standby power supply in time, and evaluation being made to its reliability.The parameter that usual needs are understood mainly contains the resistance of copper connecting band between the internal resistance of accumulator, the temperature of terminal voltage and accumulator and accumulator, grasp these parameters can understand the stability of accumulator property and process in time abnormal, thus minimizing potential risk, avoid larger loss.
In order to monitor the situation of accumulator accurately, it can be each accumulator special configuration monitoring device, as the SENTINEL 2-LV type accumulator parameter sensor of lime company of Switzerland (LEM), specially for the internal resistance of each block battery in battery pack, the parameters such as voltage are measured, this parameter sensors is except having metering circuit, also there is cathode voltage line, positive pole current line and negative electricity line ball, negative electricity streamline, four-wire method is adopted to measure the way of internal resistance in use, by cathode voltage line, positive pole current line is connected on the positive terminal of accumulator to be monitored, by negative electricity line ball, negative electricity streamline is connected on the negative terminal of accumulator to be monitored, the internal resistance of this accumulator can be obtained thus, the state parameters such as voltage.But, battery pack is the battery strings be formed by connecting through copper connecting band by each cell batteries, the situation of whole battery pack foreign work is except outside the Pass having with the performance of each cell batteries, also have the situation of copper connecting band between cell batteries relevant, if copper connecting band corrodes, breakage causes resistance to increase, the supplying power for outside performance of whole battery pack will inevitably be affected, copper connecting band factor is very important in the monitoring practice of accumulator, but it is always out in the cold when utilizing cell batteries measurement module to carry out each monomer internal resistance in monitoring battery pack, the impact more not finding desirable mode of connection well to embody copper connecting band technically to bring.
Summary of the invention
The object of this invention is to provide the mode of connection that a kind of monomer measurement module measures each monomer internal resistance of battery pack, the method is on the basis not changing original monomer internal resistance monitoring equipment, connecting site by changing, enabling the situation of monitoring the reaction monomers internal resistance of cell and copper connecting band resistance better.
For achieving the above object, the present invention takes following technical scheme:
Monomer measurement module measures a mode of connection for battery pack each monomer internal resistance, the method for battery pack by three pieces or be formed by connecting through copper connecting band more than three pieces of cells, it is characterized in that comprising the steps:
A cell sorts according to battery pack electromotive force by () from high to low, end-cell headed by first piece of cell, and last block cell is end cell, and all the other each cells are intermediate cell;
B () is outward that each cell configures an internal resistance measurement module successively respectively in battery pack, the wherein corresponding head end module of head end battery, end cell respective ends module, each intermediate cell is corresponding in turn to each intermediate module, and described internal resistance measurement module comprises metering circuit and cathode voltage line, positive pole current line and negative electricity line ball, negative electricity streamline;
C () is by the cathode voltage line of each intermediate module, positive pole current line is connected on the negative terminal of the lastblock cell of the intermediate cell corresponding to this intermediate module, negative electricity line ball, negative electricity streamline is connected on the positive terminal of next block cell of the intermediate cell corresponding to this intermediate module, then by the cathode voltage line of head end module, positive pole current line is connected to the outer end of the connected copper connecting band of positive terminal of head end battery, negative electricity line ball, negative electricity streamline is connected on the positive terminal of next block cell of head end battery, by the cathode voltage line of terminus module, positive pole current line is connected on the negative terminal of lastblock cell of end cell, negative electricity line ball, negative electricity streamline is connected to the outer end of the connected copper connecting band of negative terminal of end cell,
D each internal resistance measurement module connection is connected to host computer by () successively.
When electric battery only has two pieces of accumulators, based on above-mentioned design, take following technical scheme:
Monomer measurement module measures a mode of connection for battery pack each monomer internal resistance, the method for battery pack be formed by connecting through copper connecting band by two pieces of cells, it is characterized in that comprising the steps:
A cell sorts according to battery pack electromotive force by () from high to low, end-cell headed by first piece of cell, and second piece of cell is end cell;
B () configures an internal resistance measurement module for each cell outward respectively in battery pack, the wherein corresponding head end module of head end battery, end cell respective ends module, described internal resistance measurement module comprises metering circuit and cathode voltage line, positive pole current line and negative electricity line ball, negative electricity streamline;
C the cathode voltage line of head end module, positive pole current line are connected to the outer end of the connected copper connecting band of positive terminal of head end battery by (), negative electricity line ball, negative electricity streamline are connected on end cell positive terminal, be connected on the negative terminal of head end battery by the cathode voltage line of terminus module, positive pole current line, negative electricity line ball, negative electricity streamline are connected to the outer end of the connected copper connecting band of negative terminal of end cell;
D each internal resistance measurement module connection is connected to host computer by () successively.
When the positive terminal of the cathode voltage line of above-mentioned each internal resistance measurement module, positive pole current line and negative electricity line ball, negative electricity streamline and each cell or negative terminal are connected, the connection terminal of negative or positive electrode first connects described copper connecting band, cathode voltage line or negative electricity line ball is connected above copper connecting band, then above cathode voltage line or negative electricity line ball, positive pole current line or negative electricity streamline is connected, place pad and shell fragment above positive pole current line or negative electricity streamline, carry out fastening with screw above shell fragment.
In the present invention, by the cathode voltage line of internal resistance measurement module during wiring, positive pole current line and negative electricity line ball, negative electricity streamline is not directly connected on the connection terminal of cell corresponding to this internal resistance measurement module, but be connected on the negative terminal box positive terminal of adjacent upper and lower block cell, corresponding copper connecting band end is connected at first and last end-cell, when measuring, the internal resistance of copper connecting band resistance and corresponding cell is united two into one like this, the data of gained can the more working condition of each cell and corresponding copper connecting band in accurate characterization battery pack, more effective prevention and alarm function are played to the accident that may occur.
Accompanying drawing explanation
Fig. 1 is conventional connections pattern diagram;
Fig. 2 is Connection Mode schematic diagram of the present invention;
Erection sequence schematic diagram when Fig. 3 is for connecting.
Embodiment
Below in conjunction with accompanying drawing, invention is described further:
Fig. 1 is conventional connections pattern diagram, in electric battery, every block cell all configures an internal resistance measurement module, internal resistance measurement module 102 as corresponding in battery 101, metering circuit is established in internal resistance measurement module 102, cathode voltage line 103 is left in outside, positive pole current line 104 and negative electricity line ball 105, negative electricity streamline 106, cathode voltage line 103, positive pole current line 104 is connected on the positive terminal of battery 101, negative electricity line ball 105, negative electricity streamline 106 is connected on the negative terminal of battery 101, such internal resistance measurement module 102 can be measured the internal resistance of battery 101, battery 101 and all the other batteries are connected to form electric battery through copper connecting band, internal resistance measurement module 102 and all the other internal resistance measurement modules are connected to host computer successively through connection, the measurement to each internal resistance of single cell is finally realized by host computer (as computing machine).The shortcoming of this kind of Connection Mode is to reflect copper connecting band resistance, and then can not the working condition of thoroughly evaluating battery pack.
Fig. 2 is Connection Mode schematic diagram of the present invention.The present embodiment comprises 5 pieces of cells for battery pack and is described, cell 1 negative terminal is connected with cell 2 positive terminal through copper connecting band 12, cell 2 negative terminal is connected through the positive terminal of copper connecting band 13 with cell 3, the negative terminal of cell 3 is connected through the positive terminal of copper connecting band 14 with cell 4, cell 4 is connected through the positive terminal of copper connecting band 15 with cell 5, in addition, the positive terminal of cell 1 is connected with extraneous cable through copper connecting band 11, the negative terminal of cell 5 is connected with extraneous cable through copper connecting band 16.Following steps are adopted during wiring:
A each cell sorts according to battery pack electromotive force by () from high to low, end-cell headed by first piece of cell 1, and last block cell 5 is end cell, and all the other each cells are intermediate cell;
B () is outward that each cell configures an internal resistance measurement module successively respectively in battery pack, the wherein corresponding head end module 51 of head end battery, end cell respective ends module 55, each intermediate cell is corresponding in turn to each intermediate module, intermediate module 52 as corresponding in cell 2, the corresponding intermediate module 53 of cell 3, the corresponding intermediate module 54 of cell 4, described internal resistance measurement module comprises metering circuit and cathode voltage line, positive pole current line and negative electricity line ball, negative electricity streamline, as intermediate module 53 has cathode voltage line 29, positive pole current line 30 and negative electricity line ball 31, negative electricity streamline 32,
C the cathode voltage line of each intermediate module, positive pole current line are connected on the negative terminal of the lastblock cell of the intermediate cell corresponding to this intermediate module by (), negative electricity line ball, negative electricity streamline are connected on the positive terminal of next block cell of the intermediate cell corresponding to this intermediate module.Specifically, the cathode voltage line 25 of intermediate module 52, positive pole current line 26 are connected on the negative terminal of lastblock cell 1 of cell 2, and negative electricity line ball 27, negative electricity streamline 28 are connected on the positive terminal of next block cell 3 of cell 2; The cathode voltage line 29 of intermediate module 53, positive pole current line 30 are connected on the negative terminal of lastblock cell 2 of cell 3, and negative electricity line ball 31, negative electricity streamline 32 are connected on the positive terminal of next block cell 4 of cell 3; The cathode voltage line 33 of intermediate module 54, positive pole current line 34 are connected on the negative terminal of lastblock cell 3 of cell 4, and negative electricity line ball 35, negative electricity streamline 36 are connected on the positive terminal of next block cell 5 of cell 4.Then the cathode voltage line 21 of head end module 51, positive pole current line 22 are connected to the outer end of the connected copper connecting band 11 of positive terminal of head end battery, negative electricity line ball 23, negative electricity streamline 24 are connected on the positive terminal of next block cell 2 of head end battery, be connected on the negative terminal of lastblock cell 4 of end cell by the cathode voltage line 37 of terminus module 55, positive pole current line 38, negative electricity line ball 39, negative electricity streamline 40 are connected to the outer end of the connected copper connecting band 16 of negative terminal of end cell;
D () is by each internal resistance measurement module, comprise head end module 51, intermediate module 52, intermediate module 53, intermediate module 54 be connected according to this with terminus module 55 connection 60, and being connected to host computer from two ends, host computer is generally the computing machine with operation control function.
During above-mentioned connection concrete operations, as shown in Figure 3, what Fig. 3 represented is for the installation situation of cell 2 to the erection sequence on accumulator anode and cathode connection terminal.First the positive terminal 201 of cell 2 installs copper connecting band 12, the link 231 of negative electricity line ball 23 is installed above copper connecting band 12, link 231 is installed the link 241 of negative electricity streamline 24, link 241 is installed pad 251, be shell fragment 271 above pad 251, carry out fastening with screw 261 above last.
Above-described embodiment is described for 5 pieces of accumulator composition battery pack, in fact this method of attachment is applicable to the battery pack of more than 3 pieces and 3 pieces accumulator compositions, on reading above-described embodiment basis, those skilled in the art can to more than or the wiring of the present invention accurately implemented of the battery pack that equals 3 pieces of cells composition, thus enable institute's measuring resistance reflect the situation of copper connecting band resistance, evaluate more comprehensively to make whole battery pack serviceability.
For the electric battery of two pieces of battery compositions, only have head end battery and end cell, corresponding head end module and terminus module respectively, now, the cathode voltage line of head end module, positive pole current line are connected to the outer end of the connected copper connecting band of positive terminal of head end battery, and negative electricity line ball, negative electricity streamline are connected on the positive terminal of end cell; The cathode voltage line of terminus module, positive pole current line are connected on the negative terminal of head end module, and negative electricity line ball, negative electricity streamline are connected to the outer end of the connected copper connecting band of negative terminal of end cell.
Internal resistance measurement module used in the present invention, the surveying instrument of cathode voltage line, positive pole current line and negative electricity line ball, negative electricity streamline and metering circuit etc. can be had by user's designed, designed, also specifically to adopt the method for the invention to carry out internal resistance measurement by the known four-wire method of electricity field, the SENTINEL 2-LV type accumulator parameter sensor of lime company of Switzerland (LEM) or the product of similar functions also can be directly used to be measured by mode of connection of the present invention.
Above-described embodiment just illustrates one of the present invention but not limits the invention, and in above-mentioned design of the present invention, any mode of connection without essence conversion is all in protection scope of the present invention.
Claims (4)
1. monomer measurement module measures a mode of connection for battery pack each monomer internal resistance, the method for battery pack by three pieces or be formed by connecting through copper connecting band more than three pieces of cells, it is characterized in that comprising the steps:
A cell sorts according to battery pack electromotive force by () from high to low, end-cell headed by first piece of cell, and last block cell is end cell, and all the other each cells are intermediate cell;
B () is outward that each cell configures an internal resistance measurement module successively respectively in battery pack, the wherein corresponding head end module of head end battery, end cell respective ends module, each intermediate cell is corresponding in turn to each intermediate module, and described internal resistance measurement module comprises metering circuit and cathode voltage line, positive pole current line and negative electricity line ball, negative electricity streamline;
C () is by the cathode voltage line of each intermediate module, positive pole current line is connected on the negative terminal of the lastblock cell of the intermediate cell corresponding to this intermediate module, negative electricity line ball, negative electricity streamline is connected on the positive terminal of next block cell of the intermediate cell corresponding to this intermediate module, then by the cathode voltage line of head end module, positive pole current line is connected to the outer end of the connected copper connecting band of positive terminal of head end battery, negative electricity line ball, negative electricity streamline is connected on the positive terminal of next block cell of head end battery, by the cathode voltage line of terminus module, positive pole current line is connected on the negative terminal of lastblock cell of end cell, negative electricity line ball, negative electricity streamline is connected to the outer end of the connected copper connecting band of negative terminal of end cell,
D each internal resistance measurement module connection is connected to host computer by () successively.
2. monomer measurement module as claimed in claim 1 measures the mode of connection of each monomer internal resistance of battery pack, it is characterized in that the cathode voltage line of described each internal resistance measurement module, positive pole current line and negative electricity line ball, when the positive terminal of negative electricity streamline and each cell or negative terminal are connected, the connection terminal of negative or positive electrode first connects described copper connecting band, cathode voltage line or negative electricity line ball is connected above copper connecting band, then above cathode voltage line or negative electricity line ball, positive pole current line or negative electricity streamline is connected, pad and shell fragment is placed above positive pole current line or negative electricity streamline, carry out fastening with screw above shell fragment.
3. monomer measurement module measures a mode of connection for battery pack each monomer internal resistance, the method for battery pack be formed by connecting through copper connecting band by two pieces of cells, it is characterized in that comprising the steps:
A cell sorts according to battery pack electromotive force by () from high to low, end-cell headed by first piece of cell, and second piece of cell is end cell;
B () configures an internal resistance measurement module for each cell outward respectively in battery pack, the wherein corresponding head end module of head end battery, end cell respective ends module, described internal resistance measurement module comprises metering circuit and cathode voltage line, positive pole current line and negative electricity line ball, negative electricity streamline;
C the cathode voltage line of head end module, positive pole current line are connected to the outer end of the connected copper connecting band of positive terminal of head end battery by (), negative electricity line ball, negative electricity streamline are connected on end cell positive terminal, be connected on the negative terminal of head end battery by the cathode voltage line of terminus module, positive pole current line, negative electricity line ball, negative electricity streamline are connected to the outer end of the connected copper connecting band of negative terminal of end cell;
D each internal resistance measurement module connection is connected to host computer by () successively.
4. monomer measurement module as claimed in claim 3 measures the mode of connection of each monomer internal resistance of battery pack, it is characterized in that the cathode voltage line of described each internal resistance measurement module, positive pole current line and negative electricity line ball, when the positive terminal of negative electricity streamline and each cell or negative terminal are connected, the connection terminal of negative or positive electrode first connects described copper connecting band, cathode voltage line or negative electricity line ball is connected above copper connecting band, then above cathode voltage line or negative electricity line ball, positive pole current line or negative electricity streamline is connected, pad and shell fragment is placed above positive pole current line or negative electricity streamline, carry out fastening with screw above shell fragment.
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| CN201310471490.9A CN104569591B (en) | 2013-10-11 | 2013-10-11 | A kind of mode of connection of monomer measurement module measurement each monomer internal resistance of battery group |
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| CN104569591B CN104569591B (en) | 2019-04-26 |
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| CN201638881U (en) * | 2010-03-19 | 2010-11-17 | 内蒙古稀奥科镍氢动力电池有限公司 | Connecting component for nickel-hydrogen battery groups |
| CN101943743A (en) * | 2009-11-30 | 2011-01-12 | 杭州华塑加达网络科技有限公司 | Intelligent monitoring method and device of connecting strip resistance and battery internal resistance of battery pack |
| DE102009054937A1 (en) * | 2009-12-18 | 2011-06-22 | SB LiMotive Company Ltd., Kyonggi | Method for determining contact and connector resistances in a battery pack and battery system for determining contact and connector resistances in a battery pack |
| CN102347625A (en) * | 2010-08-01 | 2012-02-08 | 王卫平 | Method and equipment for forming and testing series-connected and monitored batteries |
| CN102749586A (en) * | 2011-04-22 | 2012-10-24 | 上海中科国嘉储能技术有限公司 | Detecting system of battery pack and battery power supply system |
-
2013
- 2013-10-11 CN CN201310471490.9A patent/CN104569591B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943743A (en) * | 2009-11-30 | 2011-01-12 | 杭州华塑加达网络科技有限公司 | Intelligent monitoring method and device of connecting strip resistance and battery internal resistance of battery pack |
| DE102009054937A1 (en) * | 2009-12-18 | 2011-06-22 | SB LiMotive Company Ltd., Kyonggi | Method for determining contact and connector resistances in a battery pack and battery system for determining contact and connector resistances in a battery pack |
| CN201638881U (en) * | 2010-03-19 | 2010-11-17 | 内蒙古稀奥科镍氢动力电池有限公司 | Connecting component for nickel-hydrogen battery groups |
| CN102347625A (en) * | 2010-08-01 | 2012-02-08 | 王卫平 | Method and equipment for forming and testing series-connected and monitored batteries |
| CN102749586A (en) * | 2011-04-22 | 2012-10-24 | 上海中科国嘉储能技术有限公司 | Detecting system of battery pack and battery power supply system |
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Denomination of invention: A wiring method for measuring the internal resistance of each individual cell in a battery pack using a single measurement module Granted publication date: 20190426 Pledgee: Bank of China Limited Baoding Branch Pledgor: BAODING YUXIN ELECTRICAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980047641 |