CN113009401B - Integrated calibration tool for cell formation component testing equipment - Google Patents
Integrated calibration tool for cell formation component testing equipment Download PDFInfo
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- CN113009401B CN113009401B CN202110196407.6A CN202110196407A CN113009401B CN 113009401 B CN113009401 B CN 113009401B CN 202110196407 A CN202110196407 A CN 202110196407A CN 113009401 B CN113009401 B CN 113009401B
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 18
- 210000001503 joint Anatomy 0.000 claims abstract description 56
- 239000000126 substance Substances 0.000 claims abstract description 51
- 239000000523 sample Substances 0.000 claims abstract description 40
- 238000010438 heat treatment Methods 0.000 claims description 25
- 239000000203 mixture Substances 0.000 claims description 18
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 239000013585 weight reducing agent Substances 0.000 claims description 11
- 230000024245 cell differentiation Effects 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004070 electrodeposition Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 21
- 238000012544 monitoring process Methods 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 5
- 210000004027 cell Anatomy 0.000 description 49
- 210000001331 nose Anatomy 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000020411 cell activation Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000001612 separation test Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an integrated calibration tool of a battery cell formation component testing device in the technical field of formation component equipment, which comprises a calibration cabinet body, wherein the inside of the calibration cabinet body is hollow, a cabinet door capable of being opened and closed is arranged on the calibration cabinet body, a plurality of universal wheels are uniformly arranged at the bottom of the calibration cabinet body, and at least four layer frame plates are arranged in an internal fixing frame; the cabinet body butt joint board is fixedly arranged on a layer frame plate, a universal meter, a router, an accuracy control board, a switching power supply and a socket are arranged on the cabinet body butt joint board, the automatic calibration is realized by one-key starting, multiple tools are parallel at the same time, the device is only required to calibrate the wiring sequence of probes, the accuracy of current and voltage and the temperature in the chemical component containing cabinet, the operation mode of staff is simplified, different monitoring tool debugging and installation are not required to be replaced for each parameter, the device can replace detection data which can be conveniently replaced by a monitoring template in the chemical component containing cabinet, and the maintenance efficiency of equipment is improved.
Description
Technical Field
The invention relates to the technical field of formation and component separation equipment, in particular to an integrated calibration tool of a cell formation and component separation test device.
Background
In the square cell production process, the cell is batched into an activated cell by adopting cell formation component testing equipment, namely voltage and current are loaded between the positive electrode post and the negative electrode post of the square cell, and the accurate and stable voltage and current can ensure that the inside of the cell is activated stably and sufficiently to form stable benign circulation electrochemical reaction.
In the cell capacity-dividing process, namely the cell capacity testing process, the capacity-dividing equipment accurately controls and records the current value and the voltage value of the square cell in the charging and discharging process along with the time change, and the accurate capacity of the cell can be tested according to the current, the voltage and the time curve. The calibration accuracy of the cell formation component test equipment is directly related to the quality of cell activation, cell performance and cell capacity test accuracy. In addition, the battery cell high-current charging and discharging process and the thermal stability detection control of the battery cell in the testing process are realized, namely, the real-time temperature monitoring is performed on the battery cell body, so that the important parameter monitoring for ensuring the safe and stable production of the battery cell is realized, meanwhile, the monitoring control of the battery cell temperature by the chemical composition testing machine is realized, the test of the battery cell at the set temperature is ensured, the safety monitoring of the battery cell production process is ensured, and the accuracy of the parameter test of the battery cell performance is ensured. The test effect of temperature on the cell performance parameters is significant. To a certain extent, the performance of the battery cell determines the performance of the battery module and further influences the performance of the whole power battery system, so that the battery cell is divided into components in a chemical mode, the accurate test of the charge and discharge parameters of the battery cell is important, and the service life and the safety of the battery system are related.
In order to meet the requirement of mass production of the battery cells, multi-channel integrated component separation testing equipment is a trend, and how to ensure the accuracy of monitoring the temperature of the multi-channel battery cells and the accuracy of wire harness installation and connection in the process of production debugging and equipment maintenance and replacement is an important difficulty. At present, the calibration of multichannel square battery cell formation component testing equipment in the market adopts a single-channel calibration or single-machine box disassembly calibration, and a manual multichannel calibration mode is adopted or single-type and only single-channel calibration is carried out at a time, and then another channel is disassembled and tested.
Based on the above, the invention designs an integrated calibration tool for the cell formation component testing equipment, so as to solve the above problems.
Disclosure of Invention
The invention aims to provide an integrated calibration tool for a battery cell formation component testing device, which is provided with a key for starting, automatically performs calibration, and simultaneously performs parallel calibration on a plurality of tools, and can calibrate a probe wiring sequence, current voltage accuracy and temperature in a formation component cabinet only by using the device, so that the operation mode of a worker is simplified, different monitoring tools are not required to be replaced for debugging and installing each parameter, detection data can be conveniently replaced by replacing a monitoring template in the formation component cabinet, the device is integrated, the maintenance and calibration working intensity of the device can be greatly reduced, the maintenance efficiency of the device is improved, the verification of the wire harness connection accuracy of the device, the calibration of the charging and discharging voltage and current accuracy of the device and the calibration of the device temperature detection accuracy are realized, the device can detect a plurality of channels of the battery cell together at one time, the detection device is not required to be disassembled and assembled, the channels of the battery cell can be automatically switched, and the disassembly and assembly operations are reduced.
The invention is realized in the following way: an integrated calibration fixture for a cell differentiation component testing device, comprising:
the calibrating cabinet body is hollow, a cabinet door capable of being opened and closed is arranged on the calibrating cabinet body, a plurality of universal wheels are uniformly arranged at the bottom of the calibrating cabinet body, and at least four shelf boards are arranged in the internal fixing frame;
The cabinet body butt joint plate is fixedly arranged on a layer frame plate and is provided with a universal meter, a router, an accuracy control board, a switching power supply and a socket, wherein the switching power supply is connected with an external power supply, the socket and the accuracy control board are electrically connected with the switching power supply, the universal meter is electrically connected with the accuracy control board, the socket is electrically connected with the router, and the router is in data connection with the accuracy control board;
the precision calibration plate is a flat plate which can be in butt joint with positive and negative probes in the chemical composition cabinet, can be stably placed on one layer of frame plate in a separated mode, is fixedly provided with an insulating base plate at the top, is symmetrically and fixedly provided with two electric connection plates, the two electric connection plates are not contacted with each other, and each electric connection plate is electrically connected with the precision control plate;
The temperature calibration plate is a flat plate which can be in butt joint with temperature probes in the chemical composition cabinet, can be stably placed on one layer of shelf plate in a separated mode, is provided with a heat insulation base plate and a temperature control plate, the temperature control plate is connected with a switching power supply and a router, the top of the heat insulation base plate is uniformly provided with a plurality of heating plates, one side of each heating plate is provided with a temperature collector, probes of each temperature collector are in one-to-one correspondence with one heating plate and are in stable contact, and each heating plate and each temperature collector are respectively and electrically connected with the temperature control plate;
The line sequence calibration board is provided with a line sequence control board, the line sequence calibration board is fixedly arranged on a layer board, a plurality of contact conductive boards are uniformly and fixedly arranged on the line sequence calibration board, each contact conductive board corresponds to one electrode position of the probe wiring sequence in the chemical component containing cabinet in a one-to-one correspondence mode, each contact conductive board is not contacted with each other, each contact conductive board and the line sequence calibration board are separated through an insulating partition board, each contact conductive board is connected with the line sequence control board, and the line sequence control board is connected with a switching power supply and a router.
Further, the system also comprises a calibration computer, and the calibration computer is also connected with the switching power supply and the router.
Further, one end of each electric connection plate is fixedly provided with a copper nose, each copper nose is electrically connected with the precision control board through a silica gel wire, two electric connection plates are respectively connected with the positive and negative electrode probes in the chemical component containing cabinet in a separable contact manner, each electric connection plate is uniformly provided with a plurality of weight-reducing through holes, and the weight-reducing through holes are arranged at positions which are not in butt joint with the positive and negative electrode probes in the chemical component containing cabinet.
Further, a plurality of waist-shaped holes are formed in the front side and the rear side of the temperature calibration plate, the heat insulation base plate is locked on the temperature calibration plate in an adjustable mode through the waist-shaped holes, the temperature control plate is connected with a switching power supply and a router through a temperature plate wiring plug-in unit, and the temperature plate wiring plug-in unit is an aviation plug;
and a plurality of weight-reducing openings are also formed in the temperature calibration plate.
Further, a plurality of weight-reducing grooves are uniformly formed in the line sequence calibration plate, the weight-reducing grooves are formed in positions where the weight-reducing grooves are not in line sequence butt joint with the probe wiring lines in the chemical composition cabinet, the line sequence control board is connected with the switching power supply and the router through line sequence board wiring plug-ins, and the line sequence board wiring plug-ins are aviation plugs.
Further, the contact conducting plate is a copper plate;
the precision control board, the line sequence control board and the temperature control board are all printed circuit boards.
Further, the shelf boards are horizontally erected in the calibration cabinet body, a plurality of layers of shelf boards are overlapped at intervals up and down, and the interval height between the shelf boards adjacent up and down is not less than 10cm;
The calibration cabinet is characterized in that 5 layer frame plates are arranged in the calibration cabinet body, and the cabinet body butt joint plate, the precision calibration plate, the temperature calibration plate, the line sequence calibration plate and the calibration computer are not arranged on the same layer frame plate.
Further, precision calibration board, temperature calibration board and line preface calibration board are the rectangle flat board that external dimension and structure are the same, the four corners of precision calibration board, temperature calibration board and line preface calibration board all are equipped with the stopper, both sides all are equipped with the butt joint round pin around precision calibration board, temperature calibration board and the line preface calibration board, the butt joint round pin is protruding downwards establishes, every one side of butt joint round pin still is equipped with the observation hole that pierces through from top to bottom, the end of observation hole orientation butt joint round pin is seted up.
Further, both sides all are equipped with a handle around the outside of the calibration cabinet body, one side of the calibration cabinet body still is equipped with the receipts wire casing, the storage that the connecting wire of the calibration cabinet body and external power supply can be expanded is in the receipts wire casing, the through wires hole with inside UNICOM has still been seted up at the calibration cabinet body top, the both sides and the calibration cabinet body of cabinet door pass through hinge connection, the cabinet door passes through the locking that cabinet door lock can be opened with the calibration cabinet body, a plurality of and inside ventilative louvres have still evenly been seted up on the cabinet door.
The beneficial effects of the invention are as follows: 1. the device can integrate and paralleling a plurality of detection tools at the same time, and can calibrate the wiring sequence of the probe, the accuracy of current and voltage and the temperature in the component cabinet only by the device, thereby simplifying the operation mode of staff;
2. the multiple tools are integrated together, each tool is not required to independently draw the data and the power supply incoming line again, each parameter is not required to be replaced by different monitoring tools for debugging and installation, and the device can conveniently replace detection data by replacing the monitoring templates in the component cabinet;
3. the device is integrated, so that the working intensity of equipment maintenance and calibration can be greatly reduced, the equipment maintenance efficiency is improved, and the wire harness connection accuracy calibration of equipment, the charging and discharging voltage and current accuracy calibration of equipment and the temperature detection accuracy calibration of equipment are realized;
4. Moreover, the device is installed and replaced once to detect the calibration tool, so that different parameters of a plurality of channels of the battery cells in the chemical composition cabinet can be detected one by one through the temperature control plate, the line sequence calibration plate and the precision control plate, the channels of the battery cells can be automatically switched and detected, the disassembly and assembly detection device is not needed, the disassembly and assembly operation is reduced, and the use is simpler and more convenient.
Drawings
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is a schematic view of the entire interior of the present invention after assembly;
FIG. 2 is a schematic view of the exterior of the calibration cabinet of the present invention;
FIG. 3 is a schematic diagram of a precision calibration plate structure according to the present invention;
FIG. 4 is a schematic diagram of a temperature calibration plate structure according to the present invention;
FIG. 5 is a schematic diagram of a line-sequential alignment plate structure according to the present invention;
FIG. 6 is a schematic view of the installation of the calibration cabinet and cabinet interface board of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1-cabinet butt joint board, 11-universal meter, 12-router, 13-precision control board, 14-switching power supply, 15-socket, 2-precision calibration board, 21-insulating backing board, 22-power receiving board, 221-weight reducing through hole, 23-copper nose, 24-observation hole, 25-butt joint pin, 26-limited block, 3-temperature calibration board, 31-heat insulation backing board, 32-heating plate, 33-temperature collector, 34-temperature control board, 35-temperature board wiring plug, 36-waist-shaped hole, 37-weight reducing opening, 4-wire sequence calibration board, 41-contact conducting board, 42-insulating partition board, 43-wire sequence board wiring plug, 44-wire sequence control board, 45-weight reducing groove, 5-calibration cabinet, 51-cabinet door, 52-heat dissipation hole, 53-universal wheel, 54-layer frame board, 55-cabinet door lock, 56-handle, 57-wire collecting groove, 58-threading hole, 6-calibration computer, 61-mouse.
Detailed Description
Referring to fig. 1 to 6, the present invention provides a technical solution: an integrated calibration fixture for a cell differentiation component testing device, comprising:
The calibration cabinet body 5 is hollow, a cabinet door 51 capable of being opened and closed is arranged on the calibration cabinet body, a plurality of universal wheels 53 are uniformly arranged at the bottom of the calibration cabinet body, and at least four shelf boards 54 are arranged in the internal fixing frame;
The cabinet body butt joint plate 1 is fixedly arranged on a layer board 54, a universal meter 11, a router 12, an accuracy control board 13, a switch power supply 14 and a socket 15 are arranged on the layer board, the switch power supply 14 is connected with an external power supply, the socket 15 and the accuracy control board 13 are electrically connected with the switch power supply 14, the universal meter 11 is electrically connected with the accuracy control board 13, the socket 15 is electrically connected with the router 12, and the router 12 is in data connection with the accuracy control board 13;
The precision calibration plate 2 is a flat plate capable of being butted with positive and negative probes in the chemical composition cabinet, can be stably placed on one layer of frame plate 54 in a separated mode, is fixedly provided with an insulating base plate 21 at the top, two electric connection plates 22 are symmetrically and fixedly arranged on the insulating base plate 21, the two electric connection plates 22 are not contacted with each other, and each electric connection plate 22 is electrically connected with the precision control plate 13;
the temperature calibration plate 3 is a flat plate which can be in butt joint with a temperature probe in the chemical composition cabinet, can be stably placed on one layer of frame plate 54 in a separated mode, is provided with a heat insulation base plate 31 and a temperature control plate 34, the temperature control plate 34 is connected with the switch power supply 14 and the router 12, the top of the heat insulation base plate 31 is uniformly provided with a plurality of heating plates 32, one side of each heating plate 32 is provided with a temperature collector 33, probes of each temperature collector 33 are in one-to-one corresponding stable contact with one heating plate 32, and each heating plate 32 and each temperature collector 33 are respectively and electrically connected with the temperature control plate 34;
The line sequence calibration plate 4 is provided with a line sequence control plate 44, the line sequence control plate 44 is fixedly arranged on a layer frame plate 54, a plurality of contact conductive plates 41 are uniformly and fixedly arranged on the line sequence control plate, each contact conductive plate 41 corresponds to one electrode position of a probe wiring sequence in the chemical component containing cabinet in a one-to-one correspondence manner, each contact conductive plate 41 is not contacted with each other, each contact conductive plate 41 is separated from the line sequence calibration plate 4 through an insulating partition plate 42, each contact conductive plate 41 is connected with the line sequence control plate 44, the line sequence control plate 44 is connected with the switching power supply 14 and the router 12, a key is provided for starting, calibration is automatically carried out, a plurality of tools are simultaneously parallel, the operation modes of workers are simplified, each parameter is not required to be changed for debugging and installation by different monitoring tools, the device can be conveniently changed in the chemical component containing cabinet, the detection template is integrated together, the device can greatly reduce the maintenance and calibration intensity of equipment, the detection and calibration device can be connected with a plurality of wiring harness, the detection device can be accurately calibrated, the detection device can be connected with a plurality of electrical core, the detection device can be accurately assembled and disassembled, and assembled, and the detection device can be accurately calibrated, and assembled, and the detection device can be used for detecting and assembled.
The calibration computer 6 is also connected with the switch power supply 14 and the router 12, so that various data can be conveniently collected and compared to judge various parameters of the battery cell;
One end of each electric connection plate 22 is fixedly provided with a copper nose 23, each copper nose 23 is electrically connected with the precision control board 13 through a silica gel wire, two electric connection plates 22 are respectively connected with positive and negative electrode probes in the chemical component containing cabinet in a separable contact manner, each electric connection plate 22 is uniformly provided with a plurality of weight reduction through holes 221, and the weight reduction through holes 221 are arranged at positions which are not in butt joint with the positive and negative electrode probes in the chemical component containing cabinet, so that the precision calibration plate 2 is convenient to butt joint and detect with the positive and negative electrode probes of the chemical component containing cabinet;
the front side and the rear side of the temperature calibration plate 3 are also provided with a plurality of waist-shaped holes 36, the heat insulation backing plate 31 is adjustably locked on the temperature calibration plate 3 through the waist-shaped holes 36, the temperature control plate 34 is connected with the switch power supply 14 and the router 12 through a temperature plate wiring plug-in unit 35, and the temperature plate wiring plug-in unit 35 is an aviation plug;
the temperature calibration plate 3 is also provided with a plurality of weight-reducing openings 37, so that the positions of the heating plates 32 and the temperature collectors 33 can be conveniently adjusted through the heat insulation base plate 31, and the accurate one-to-one butt joint of the temperature probes and the heating plates 32 is ensured;
The line sequence calibration board 4 is also uniformly provided with a plurality of weight reduction grooves 45, the weight reduction grooves 45 are arranged at positions which are not in line sequence butt joint with the probe wiring lines in the chemical composition cabinet, the line sequence control board 44 is connected with the switch power supply 14 and the router 12 through a line sequence board wiring plug-in 43, and the line sequence board wiring plug-in 43 is an aviation plug and can be conveniently plugged to transmit electricity and data;
The contact conductive plate 41 is a copper plate;
the precision control board 13, the line sequence control board 44 and the temperature control board 34 are all printed circuit boards, so that independent control and correction of various parameters are facilitated;
The shelf boards 54 are horizontally erected in the calibration cabinet body 5, a plurality of layers of shelf boards 54 are overlapped at intervals up and down, and the interval height between the shelf boards 54 adjacent up and down is not less than 10cm;
The calibration cabinet body 5 is internally provided with 5 shelf boards 54, and the cabinet body butt joint plate 1, the precision calibration plate 2, the temperature calibration plate 3, the line sequence calibration plate 4 and the calibration computer 6 are not arranged on the same shelf board 54, so that the calibration cabinet is convenient to put and can be taken out and retracted conveniently;
The precision calibration plate 2, the temperature calibration plate 3 and the line sequence calibration plate 4 are rectangular flat plates with the same external dimensions and structures, limiting blocks 26 are arranged at four corners of the precision calibration plate 2, the temperature calibration plate 3 and the line sequence calibration plate 4, butt joint pins 25 are arranged at the front side and the rear side of the precision calibration plate 2, the temperature calibration plate 3 and the line sequence calibration plate 4, the butt joint pins 25 are downwards convexly arranged, one side of each butt joint pin 25 is also provided with an observation hole 24 penetrating up and down, the observation holes 24 are arranged towards the end heads of the butt joint pins 25, so that the device is convenient to standardize, and can conveniently aim at chemical component containing cabinets with all dimensions, even if a material box is large, the device only needs to be in butt joint with various probes of a battery core, and can not deflect through the clamping of the butt joint pins 25 during lifting;
The outside front and back both sides of the calibration cabinet body 5 all are equipped with a handle 56 respectively, one side of the calibration cabinet body 5 still is equipped with the receipts wire casing 57, the storage that the connecting wire of the calibration cabinet body 5 and external power supply can expand is in the receipts wire casing 57, the through wires hole 58 with inside UNICOM has still been seted up at the calibration cabinet body 5 top, the both sides of cabinet door 51 pass through hinge connection with the calibration cabinet body 5, the locking that cabinet door 51 and the calibration cabinet body 5 can be opened through cabinet lock 55, a plurality of and inside ventilative louvres 52 have still evenly been seted up on the cabinet door 51 for the convenient use calibration cabinet body 5, the storage circuit of being convenient for, the various calibration plates of accomodating of being convenient.
In one embodiment of the invention:
the embodiment of the invention provides an integrated calibration tool for cell formation component testing equipment, which solves the technical problems that: 1. calibration of chemical composition testing equipment cannot be performed in batch multi-channel, such as: a hand-held multimeter 11 is adopted to test whether a circuit is conducted or not; 2. the existing monitoring device for the chemical component capacity cell needs manual control and matching in the calibration process of the square cell, can not automatically replace different channels for automatic calibration, can only manually test all channels one by one, needs to be re-connected with probes in each disassembly and assembly, and is very complicated to operate; 3. the calibrated parameters are single in type and cannot be calibrated in parallel in different types, after one parameter is calibrated, the device needs to be replaced, each time replacement is needed, the calibrating device for detecting the parameters, the calibrating computer 6, the switching power supply 11, the router 12 and the external power supply are required to be reconnected, then the multiple channels are connected one by one for detection, the operation is very troublesome, and the wiring operation is very complex.
The technical effects are realized as follows: 1. the device can integrate and paralleling a plurality of detection tools at the same time, and can calibrate the wiring sequence of the probe, the accuracy of current and voltage and the temperature in the component cabinet only by the device, thereby simplifying the operation mode of staff;
2. The device can conveniently replace detection data by replacing the monitoring templates in the component cabinet;
3. the device is integrated, so that the working intensity of equipment maintenance and calibration can be greatly reduced, the equipment maintenance efficiency is improved, and the wire harness connection accuracy calibration of equipment, the charging and discharging voltage and current accuracy calibration of equipment and the temperature detection accuracy calibration of equipment are realized;
4. The device is installed and replaced once to detect the calibration fixture, and then a plurality of channels of the battery cells in the chemical composition cabinet can be controlled one by one through the temperature control plate 34, the line sequence control plate 44, the line sequence calibration plate 4 and the precision control plate 13, the same parameters of each battery cell channel can be detected one by one without dismounting the calibration fixture, the channels of the battery cells can be automatically switched and detected, the dismounting operation is reduced, and the use is simpler and more convenient.
The technical scheme in the embodiment of the invention aims to solve the problems, and the overall thought is as follows:
in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
When the calibrating cabinet body 5 is manufactured, the bottom of the calibrating cabinet body 5 is uniformly provided with the universal wheels 53 in a rectangular mode, the inside of the calibrating cabinet body 5 is hollow, the outside of the calibrating cabinet body 5 is additionally provided with the cabinet door 51 which can be turned over and fully opened, the cabinet door 51 is also provided with the plurality of radiating holes 52 for ventilating to disperse heat in the calibrating cabinet body 5, and simultaneously the calibrating cabinet body 5 is locked through the cabinet door lock 55, so that all devices can be locked in the calibrating cabinet body 5, as shown in fig. 6, the best split doors are realized, one side surface of the calibrating cabinet body 5 can be fully opened, the handles 56 are arranged on the front side and the rear side, the top of the calibrating cabinet body 5 is provided with the threading holes 58, the threading holes 58 are used for connecting the calibrating computer 6 with the internal switching power supply 14 and the router 12, the side surface of the calibrating cabinet body 5 is also provided with the line receiving grooves 57, the line receiving grooves for receiving the device and the external power supply, the connecting wires are prevented from being damaged when being dragged outside to hang things when the device is pushed, the inside the calibrating cabinet body 5 is required to be fixedly erected with 5 layers of frame plates 54, each layer of frame plates 54 are erected horizontally, the layer of the frame plates are stacked layer by layer 5 are stacked layer by layer layers, and the frame plates are 20cm are stacked layer by layer 10cm, and the frame plates are 20cm are stacked, and the layer layers are 20cm are stacked, and the layer by layer frames are 20 are stacked;
The cabinet body butt joint plate 1, the precision calibration plate 2, the temperature calibration plate 3 and the line sequence calibration plate 4 are also required to be manufactured;
The cabinet body butt joint plate 1 is a flat plate made of insulating materials, the universal meter 11, the router 12, the switching power supply 14 and the socket 15 are arranged on the flat plate, then the router 12 and the switching power supply 14 need to be electrically connected when the precision control board 13 is arranged on the cabinet body butt joint plate 1, the cabinet body butt joint plate 1 is fixed on a frame plate 54 at the bottommost layer of the calibration cabinet body 5, and the socket 15 is used for providing stable power for the universal meter 11, the router 12 and other devices;
An insulating base plate 21 is paved on the precision calibration plate 2, a plurality of weight-reducing through holes 221 are formed on the insulating base plate 21 and the precision calibration plate 2, so that the whole weight of the precision calibration plate 2 is reduced, the lifting is convenient, and the weight-reducing through holes 221 need to avoid the position of butt joint with positive and negative electrode probes of the chemical composition cabinet; then two electric connection plates 22 are arranged on the top of the insulating base plate 21, each electric connection plate 22 is electrically connected with the precision control plate 13 and the universal meter 11 through an independent copper nose 23, a butt joint pin 25 is arranged on the front side and the rear side of the precision calibration plate 2, the butt joint pin 25 protrudes downwards, the butt joint pin 25 is used for butt joint with a material port lifting frame in a chemical component containing cabinet, an observation hole 24 is formed in the side face of the butt joint pin 25, the observation hole 24 is used for observing the plugging condition of the butt joint pin 25, and the butt joint accuracy of the butt joint pin 25 and the chemical component containing cabinet is ensured; the precision calibration plate 2 is a rectangular straight plate, has the same shape as the lifting frame in the chemical component containing cabinet, has the same size as the distribution shape of the electric cores in the chemical component containing cabinet, and is characterized in that limit blocks 26 are fixed on four corners on the precision calibration plate 2, and steps are arranged at the tops of the limit blocks 26 and used for preventing the precision calibration plate 2 from being jacked up too high and limiting the height of the precision calibration plate 2 when the precision calibration plate 2 is lifted up in the chemical component containing cabinet;
The precision control board 13 is to be in data connection with the router 12;
Manufacturing a temperature calibration plate 3, forming a plurality of weight-reducing openings 37 on the temperature calibration plate 3, erecting a heat insulation base plate 31 on the top of the temperature calibration plate 3, fixing a plurality of heating plates 32 on the heat insulation base plate 31, wherein the position of each heating plate 32 corresponds to the position of a temperature probe in a chemical component containing cabinet, each heating plate 32 needs to avoid the position of a battery cell in the chemical component containing cabinet, connecting one side of each heating plate 32 with a temperature collector 33, and detecting the temperature of one heating plate 32 by a sensor of each temperature collector 33 in a one-to-one correspondence manner; one side of the temperature calibration plate 3 is provided with a temperature control plate 34, the outer side of the temperature control plate 34 is provided with an aviation plug as a temperature plate wiring plug-in 35, the temperature plate wiring plug-in 35 is used for transmitting electricity and data simultaneously, the temperature control plate 34 is connected with the switch power supply 14, the universal meter 11 and the router 12 through the temperature plate wiring plug-in 35, the temperature control plate 34 is independently connected with each temperature collector 33 and each heating plate 32, the temperature control plate 34 is used for independently controlling the work of the heating plates 32 and carrying out temperature collection through the temperature collectors 33, the two sides of the temperature calibration plate 3 are also provided with a plurality of waist-shaped holes 36, as shown in fig. 4, the waist-shaped holes 36 on the two sides need to extend linearly for locking the temperature calibration plate 3, so that the position of the temperature calibration plate 3 is convenient to adjust and the temperature calibration plate 3 is used for aligning the temperature probe positions in the component cabinet;
The line sequence calibration plate 4 is manufactured, the weight reduction groove 45 is formed in the line sequence calibration plate 4 in advance, the weight reduction groove 45 needs to avoid the positive and negative electrode probe positions in the chemical composition cabinet, and the weight reduction is performed to the greatest extent on the premise of not affecting the normal assembly of the equipment; then, insulating partition plates 42 are arranged at the butt joint positions of the line sequence calibration plate 4 and positive and negative electrode probes in the chemical composition cabinet, two contact conducting plates 41 are arranged on each insulating partition plate 42, each contact conducting plate 41 is not contacted with each other, short circuits are avoided, a line sequence control plate 44 is arranged on one side of the line sequence calibration plate 4, the line sequence control plate 44 is connected with a switching power supply 14, a universal meter 11 and a router 12 through a line sequence plate wiring plug-in unit 43, the line sequence plate wiring plug-in unit 43 can transmit electricity and data simultaneously, and meanwhile, the line sequence control plate 44 is connected with each contact conducting plate 41 independently, so that the connection or disconnection is facilitated independently, and the line sequence is calibrated;
The precision calibration plate 2, the temperature calibration plate 3 and the line sequence calibration plate 4 are all to be stably placed on the layer frame plate 54 and cannot be fixedly installed, and meanwhile, the external shapes of the temperature calibration plate 3 and the line sequence calibration plate 4 are the same as those of the precision calibration plate 2, and are all calibration plates for butt joint of positive and negative electrode probes in a chemical component container, and the structural positions of observation holes 24, butt joint pins 25 and limiting blocks 26 on four corners of the temperature calibration plate 3 and the line sequence calibration plate 4 are the same, and are all used for accurate butt joint with the chemical component container;
the calibration computer 6 and the controlled mouse 61 are also needed, and the calibration computer 6 is a common device, is used for reading and comparing various data, is used for judging the accuracy of the line sequence, the temperature current and the voltage of the battery cells in the component cabinet, can be received in the calibration cabinet body 5 when the calibration cabinet is not needed, and locks the cabinet door 51, so that the calibration cabinet is convenient to store.
When the device is used, firstly, the wire harness connection accuracy of the battery cells in the chemical component containing cabinet is tested, the wire sequence calibration plate 4 is taken out of the calibration cabinet body 5, then the device is placed in the chemical component containing cabinet, the butt joint holes of the lifting frames in the chemical component containing cabinet are checked from the observation holes 24 and ensured to be aligned by the butt joint pins 25 of the wire sequence calibration plate 4, and then the lifting frames in the chemical component containing cabinet are lifted, wherein the lifting frames are devices in the chemical component containing cabinet and are matched equipment in each chemical component containing cabinet; then after the line sequence calibration plate 4 is lifted, the limiting block 26 of the line sequence calibration plate 4 is abutted against the top of a material box in the chemical component containing cabinet, so that the line sequence calibration plate 4 is prevented from being extruded and damaged due to the fact that the line sequence calibration plate 4 is lifted too high, then the contact conductive plates 41 on the line sequence calibration plate 4 are contacted with all positive and negative electrode probes, then each contact conductive plate 41 is controlled to be connected independently through the line sequence control plate 44, and the positive and negative electrode sequences of the battery cells in the chemical component containing cabinet are checked to be correct; the line sequence control board 44 sends data to the calibration computer 6 for comparison through the line sequence board wiring plug-in 43 and the router 12, and can supply power through the switching power supply 14, and the error correction channel is independently calibrated if the data is incorrect;
Then detecting whether the temperature probes of the battery cells in the formation and distribution cabinet can normally measure temperature, retrieving the line sequence calibration plate 4, placing the line sequence calibration plate back on a layer frame plate 54 in the calibration cabinet body 5, placing the temperature calibration plate 3 into the formation and distribution cabinet in the same way, ensuring that the butt pins 25 on the temperature calibration plate 3 are aligned with the butt holes on the lifting frame, enabling the temperature probes in the formation and distribution cabinet to be in one-to-one accurate butt contact with all heating plates 32, then starting heating the heating plates 32 one by one through a temperature control plate 34, judging whether the temperature probes are accurately detected and the detection positions are accurate through comparing the temperature of a temperature collector 33 with the temperature of the temperature probes, enabling the temperature collector 33 to butt a router 12 and a switch power supply 14 through a temperature plate wiring plug-in unit 35, transmitting data to a calibration computer 6 for comparison, and retrieving the temperature calibration plate 3 on the layer frame plate 54 after the comparison is completed;
Then detecting the current and voltage precision, taking out the precision calibration plate 2, butting the precision calibration plate on a lifting frame in the chemical composition cabinet, then ensuring that each power connection plate 22 is in contact with the positive electrode and the negative electrode of the battery cell, then connecting the positive electrode and the negative electrode of the power connection plate 22 on the universal meter 11 and the precision control plate 13 through different copper noses 23 respectively, simultaneously connecting the precision control plate 13 with the switch power supply 14 and the router 12, and controlling the current output control and the input receiving through the precision control plate 13 to monitor the current and voltage precision of the battery cell.
The front and rear sides of the device are the inner and outer sides installed in the chemical composition cabinet, the inner side of the device is the side without being seen, the outer side is the side exposed by the handle 56 in fig. 1, and the side with the copper nose 23, the temperature control plate 34 and the line sequence control plate 44 is the inner side.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the invention, and that equivalent modifications and variations of the invention in light of the spirit of the invention will be covered by the claims of the present invention.
Claims (7)
1. An integrated calibration tooling for a cell formation component testing device, comprising:
The calibrating cabinet body (5) is hollow, a cabinet door (51) capable of being opened and closed is arranged on the calibrating cabinet body, a plurality of universal wheels (53) are uniformly arranged at the bottom of the calibrating cabinet body, and at least four shelf boards (54) are arranged in the internal fixing frame;
The cabinet body butt joint plate (1) is fixedly arranged on a layer frame plate (54), a universal meter (11), a router (12), an accuracy control plate (13), a switching power supply (14) and a socket (15) are arranged on the cabinet body butt joint plate, the switching power supply (14) is connected with an external power supply, the socket (15) and the accuracy control plate (13) are electrically connected with the switching power supply (14), the universal meter (11) is electrically connected with the accuracy control plate (13), the socket (15) is electrically connected with the router (12), and the router (12) is in data connection with the accuracy control plate (13);
The precision calibration plate (2) is a flat plate which can be butted with positive and negative probes in the chemical composition cabinet, can be stably placed on one layer of frame plate (54) in a separated mode, an insulating base plate (21) is fixedly arranged at the top of the precision calibration plate, two power connection plates (22) are symmetrically and fixedly arranged on the insulating base plate (21), the two power connection plates (22) are not contacted with each other, and each power connection plate (22) is electrically connected with the precision control plate (13) respectively;
The temperature calibration plate (3) is a flat plate which can be in butt joint with temperature probes in the chemical composition cabinet, can be stably placed on one layer of frame plate (54) in a separated mode, is provided with a heat insulation base plate (31) and a temperature control plate (34), the temperature control plate (34) is connected with a switching power supply (14) and a router (12), a plurality of heating plates (32) are uniformly arranged at the top of the heat insulation base plate (31), one side of each heating plate (32) is provided with a temperature collector (33), probes of each temperature collector (33) are in one-to-one corresponding stable contact with one heating plate (32), and each heating plate (32) and each temperature collector (33) are respectively and electrically connected with the temperature control plate (34);
The line sequence calibration plate (4) is provided with a line sequence control plate (44) which is fixedly arranged on a layer frame plate (54), a plurality of contact conductive plates (41) are uniformly and fixedly arranged on the line sequence calibration plate, each contact conductive plate (41) corresponds to one electrode position of the probe wiring sequence in the chemical component containing cabinet in a one-to-one correspondence manner, each contact conductive plate (41) is not contacted with each other, each contact conductive plate (41) is separated from the line sequence calibration plate (4) through an insulating partition plate (42), each contact conductive plate (41) is connected with the line sequence control plate (44), and the line sequence control plate (44) is connected with the switching power supply (14) and the router (12);
one end of each electric connection plate (22) is fixedly provided with a copper nose (23), each copper nose (23) is electrically connected with the precision control board (13) through a silica gel wire, two electric connection plates (22) are respectively connected with positive and negative electrode probes in the chemical component containing cabinet in a separable contact manner, each electric connection plate (22) is uniformly provided with a plurality of weight reduction through holes (221), and the weight reduction through holes (221) are arranged at positions which are not in butt joint with the positive and negative electrode probes in the chemical component containing cabinet;
The temperature calibration plate (3) is also provided with a plurality of waist-shaped holes (36) on the front side and the rear side, the heat insulation base plate (31) is locked on the temperature calibration plate (3) in an adjustable mode through the waist-shaped holes (36), the temperature control plate (34) is connected with the switching power supply (14) and the router (12) through a temperature plate wiring plug-in (35), and the temperature plate wiring plug-in (35) is an aviation plug;
The temperature calibration plate (3) is also provided with a plurality of weight-reducing openings (37);
A plurality of weight reduction grooves (45) are uniformly formed in the line sequence calibration plate (4), the weight reduction grooves (45) are formed in positions which are not in line sequence butt joint with the probe wiring lines in the chemical composition cabinet, and the line sequence control plate (44) is connected with the switching power supply (14) and the router (12) through line sequence plate wiring plug-in components (43).
2. The integrated calibration fixture for a cell differentiation component testing device of claim 1, wherein: the system also comprises a calibration computer (6), wherein the calibration computer (6) is also connected with the switching power supply (14) and the router (12).
3. The integrated calibration fixture for a cell differentiation component testing device of claim 1, wherein: the line sequence board wiring plug-in (43) is an aviation plug.
4. The integrated calibration fixture for a cell differentiation component testing device of claim 1, wherein: the contact conductive plate (41) is a copper plate;
the precision control board (13), the line sequence control board (44) and the temperature control board (34) are all printed circuit boards.
5. The integrated calibration fixture for a cell differentiation component testing apparatus according to claim 2, wherein: the shelf boards (54) are horizontally erected in the calibration cabinet body (5), a plurality of layers of shelf boards (54) are overlapped at intervals up and down, and the interval height between the shelf boards (54) adjacent up and down is not less than 10cm;
There are 5 shelf boards (54) in the calibration cabinet body (5), cabinet body butt joint board (1), precision calibration board (2), temperature calibration board (3), line preface calibration board (4) and calibration computer (6) do not set up on same shelf board (54).
6. The integrated calibration fixture for a cell differentiation component testing device of claim 1, wherein: the precision calibration plate (2), the temperature calibration plate (3) and the line sequence calibration plate (4) are rectangular flat plates with the same external dimensions and structures, limiting blocks (26) are arranged at four corners of the precision calibration plate (2), the temperature calibration plate (3) and the line sequence calibration plate (4), butt joint pins (25) are arranged on front and rear sides of the precision calibration plate (2), the temperature calibration plate (3) and the line sequence calibration plate (4), the butt joint pins (25) are downwards protruded, one side of each butt joint pin (25) is further provided with an observation hole (24) penetrating up and down, and the observation holes (24) are formed towards the end heads of the butt joint pins (25).
7. The integrated calibration fixture for a cell differentiation component testing apparatus of claim 5, wherein: the utility model discloses a calibration cabinet, including calibration cabinet body (5), cabinet door (51), cabinet door (5), cabinet door lock (55), cabinet door (51) and calibration cabinet body (5) are all equipped with a handle (56) around the outside, one side of calibration cabinet body (5) still is equipped with receipts wire casing (57), the storage that the connecting wire of calibration cabinet body (5) and external power supply can expand is in receipts wire casing (57), the through wires hole (58) with inside UNICOM have still been seted up at calibration cabinet body (5) top, the both sides and the calibration cabinet body (5) of cabinet door (51) pass through hinge connection, cabinet door (51) and calibration cabinet body (5) can open through the locking of cabinet door lock (55), a plurality of and inside ventilation's louvre (52) have still evenly been seted up on cabinet door (51).
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| CN113295218A (en) * | 2021-07-27 | 2021-08-24 | 浙江纽联科技有限公司 | Formation and grading fixture calibration mechanism and calibration system thereof |
| CN113702886A (en) * | 2021-08-25 | 2021-11-26 | 浙江纽联科技有限公司 | Portable calibration frock and calibration car |
| CN114089070B (en) * | 2021-11-18 | 2023-11-07 | 广东利元亨智能装备股份有限公司 | Formation cabinet detection device |
| CN115267294A (en) * | 2022-07-29 | 2022-11-01 | 广东舜势测控设备有限公司 | Formation equipment calibration system and formation equipment calibration method |
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| CN215180823U (en) * | 2021-02-22 | 2021-12-14 | 福建星云电子股份有限公司 | Integrated calibration tool of electrical core formation and partial volume test equipment |
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| DE10313786A1 (en) * | 2003-03-20 | 2004-09-30 | Varta Microbattery Gmbh | Method and device for troubleshooting in electronic measuring and testing arrangements for galvanic elements |
| CN210894527U (en) * | 2019-07-31 | 2020-06-30 | 东莞市创明电池技术有限公司 | Electric property detection device for cabinet points of formation and grading cabinets |
| CN210514557U (en) * | 2019-08-05 | 2020-05-12 | 浙江纽联科技有限公司 | Apply to automatic correction cabinet of lithium cell |
| CN211785866U (en) * | 2020-03-04 | 2020-10-27 | 安徽省计量科学研究院 | Calibrating device of battery formation grading equipment |
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| CN215180823U (en) * | 2021-02-22 | 2021-12-14 | 福建星云电子股份有限公司 | Integrated calibration tool of electrical core formation and partial volume test equipment |
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