CN108614232B - Calibration tool for automatic calibration system of formation and grading test power supply - Google Patents
Calibration tool for automatic calibration system of formation and grading test power supply Download PDFInfo
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- CN108614232B CN108614232B CN201810738085.1A CN201810738085A CN108614232B CN 108614232 B CN108614232 B CN 108614232B CN 201810738085 A CN201810738085 A CN 201810738085A CN 108614232 B CN108614232 B CN 108614232B
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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
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Abstract
The invention discloses a calibration tool for an automatic calibration system of a component-volume test power supply, which comprises an upper top plate, a lower bottom plate and a side plate frame, wherein a plurality of probes are arranged on the upper top plate and the lower bottom plate, probe points are arranged at the tops of the probes, the probes on the upper top plate and the lower bottom plate correspond to one another one by one, the probes are fixed by adopting bolt and nut kits, and the bolts are of hollow structures and used for wrapping the probes. The probe of the calibration tool is simple in structure and reasonable in design, can be compatible with test power supplies of various specifications, and can be combined with an automatic calibration system to sample the current and the voltage of the test power supplies.
Description
Technical Field
The invention relates to the field of component-capacitance testing power supplies, in particular to a calibration tool for an automatic calibration system of a component-capacitance testing power supply.
Background
With the rapid development of the economic society and the battery industry in China, the power battery or the super capacitor is widely applied to electric bicycles, electric automobiles, large-scale energy storage systems and the like. The power battery or the super capacitor is often required to be detected in the production process, and when the power battery or the super capacitor is charged and discharged, the performance test of the power battery or the super capacitor is adversely affected due to the reduction of the precision of detection equipment. Therefore, the calibration of the detection device should be added during battery detection.
When the battery detection equipment is calibrated, the automatic calibration system can recalibrate the battery detection equipment according to the operation parameter information of the formation and grading test power supply, manual participation is not needed in the calibration process, the precision and the reliability of the formation and grading test power supply are guaranteed, meanwhile, a large amount of manpower and material resources are liberated, and the automatic calibration system is suitable for large-scale application.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a calibration tool for an automatic calibration system of a component-capacitance test power supply, the calibration tool is simple in structure and reasonable in design, a cathode probe and an anode probe can be compatible with test power supplies of various specifications, and the current and voltage sampling of the test power supplies can be carried out by combining with the automatic calibration system.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a mark frock for forming automatic calibration system of partial volume test power, includes top plate, lower plate and curb plate frame, all be equipped with a plurality of probes on top plate and the lower plate, the probe top is equipped with the probe, the probe one-to-one on top plate and the lower plate, the probe adopts the bolt and nut external member to fix, wherein the bolt is hollow structure for wrap up the probe.
Furthermore, the probe detection point of the upper top plate is an anode detection point, the anode detection point is in butt joint with the probe on the needle bed, the probe on the needle bed is connected with the anode of the testing power supply, the probe detection point of the lower bottom plate is a cathode detection point, the cathode detection point is in butt joint with the probe under the needle bed, and the lower probe of the needle bed is connected with the cathode of the testing power supply.
Furthermore, the probe is installed in the through-hole of last roof and lower plate, the through-hole includes the mounting hole and sets up in the supporting seat of mounting hole one side.
Furthermore, reinforcing ribs are arranged between the supporting seats.
Furthermore, the bolt and nut suite comprises a hollow bolt and two insulating nuts, and after the probe penetrates through the bolt, two ends of the probe are fixed on the through hole by adopting the insulating nuts.
Furthermore, a welding point is arranged at the bottom of the probe of the upper top plate and is welded into a whole through beryllium copper.
Furthermore, a welding point is arranged at the bottom of the probe of the lower bottom plate and is welded into a whole through beryllium copper.
Furthermore, the diameter of the probe is 10-50 mm, and the probe can be compatible with various needle beds.
Furthermore, a CAN bus butt joint probe and a power supply butt joint probe are further arranged on the upper top plate.
Furthermore, the side plate frame is provided with heat dissipation holes.
Compared with the prior art, the invention has the beneficial effects that:
1) the probe of the calibration tool adopts a modular structure, has a simple overall structure and reasonable design, and can be compatible with test power supplies and needle bed equipment of various specifications by replacing different modules.
2) The power supply and data communication interface of the calibration tool is realized in a probe butt joint mode, so that the automation of the whole calibration process is convenient to realize.
3) The calibration tool is compatible with the needle bed equipment, the calibration of the number of the channels of the full tray at one time can be realized, and the calibration efficiency is greatly improved.
4) The cathode and anode measuring points of the calibration tool can be directly butted with the upper probe and the lower probe of the testing needle bed without additional electrical connection, and the calibration process is simple and rapid.
5) By adopting the tray type appearance design, the carrying requirement of the stacker can be met, and the full-automatic calibration of the system is realized.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the overall structure of the calibration tool of the present invention;
FIG. 2 is a schematic structural diagram of a side plate frame of the calibration tool of the present invention;
FIG. 3 is a schematic view of the inner surface structure of the upper top plate of the calibration tool of the present invention;
FIG. 4 is a schematic structural view of a bolt and nut assembly wrapping a probe on the calibration tool according to the present invention;
FIG. 5 is a schematic view of the outer surface structure of the lower base plate of the calibration tool of the present invention;
FIG. 6 is a schematic view of the inner surface structure of the lower base plate of the calibration fixture according to the present invention;
FIG. 7 is a schematic view of a calibration tooling probe according to the present invention;
FIG. 8 is a schematic diagram of an application structure of the calibration fixture of the present invention;
the device comprises a detection point 1, a detection bolt hole 2, a fixing bolt hole 3, a CAN bus butt joint probe 4, a side plate frame 5, an indicator lamp mounting hole 6, a power supply butt joint probe 7, a fan mounting hole 8, a heat dissipation hole 9, a lower bottom support frame 10, an upper top plate 11, an insulating nut 12, a calibration plate mounting seat 13, a reinforcing rib 14, an insulating bolt and nut suite supporting seat 15, a welding point 16, an upper top plate inner surface 17, a hollow insulating bolt 18, a lower bottom plate 19, an insulating bolt and nut suite mounting hole 20, a lower bottom plate inner surface 21 and a probe.
Detailed Description
The invention is further described with reference to the following detailed description of embodiments and drawings.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
As introduced in the background art, most of the existing calibration systems are calibration devices for testing power supplies before leaving factories, and in an actual production environment of users, when calibration needs to be performed due to precision reduction caused by aging or environmental change of the testing power supplies, the calibration devices are not suitable for field calibration of the production environment of users, and cannot meet the calibration automation requirements of a power battery and supercapacitor component capacity production line. In order to solve the problems, the invention provides a calibration tool for an automatic calibration system of a component-capacitance test power supply, the calibration tool is simple in structure and reasonable in design, a probe detection point can be compatible with test power supplies of various specifications, and the calibration tool can be combined with the automatic calibration system to sample the current and the voltage of the test power supplies.
As shown in fig. 1 to 7, a calibration tool for an automatic calibration system of a component-volume test power supply comprises an upper top plate 10, a lower bottom plate 18 and a side plate frame 4, wherein a plurality of probes 21 are respectively arranged on the upper top plate 10 and the lower bottom plate 18, a detection point 1 is arranged at the top of each probe 21, the probes 21 on the upper top plate 10 and the lower bottom plate 18 correspond to each other one by one, the probes 21 are fixed by bolt and nut kits, and the bolt 17 is of a hollow structure and used for wrapping the probes 21.
The probe detection point of the upper top plate 10 is an anode detection point and is butted with a probe on a needle bed, the probe on the needle bed is connected with the anode of a testing power supply, the probe detection point of the lower bottom plate 18 is a cathode detection point, the cathode detection point is butted with a probe under the needle bed, and a lower probe of the needle bed is connected with the cathode of the testing power supply.
Fig. 3 is a schematic structural view of an inner surface 16 of an upper top plate, fig. 6 is a schematic structural view of an inner surface 20 of a lower bottom plate, as shown in fig. 3 and fig. 6, the probe 21 is installed in a through hole of the upper top plate 10 and the lower bottom plate 18, the through hole includes an installation hole 19 and a support seat 14 disposed at one side of the installation hole 19, and a reinforcing rib 13 is disposed between the support seats 14.
If 5 is a schematic view of the outer surface structure of the lower base plate, as can be seen from fig. 5, the outer surface of the lower base plate 18 is provided with the lower base plate support frame 9, which can prevent the detection point of the lower base plate 18 from contacting the plane under the condition that the fixture is laid flat, and thus the detection point 1 is worn.
As shown in fig. 4, the bolt and nut kit includes a hollow bolt 17 and two insulating nuts 11, and after the probe 21 passes through the bolt 17, the two ends of the probe are fixed on the through hole by the insulating nuts 11, so as to be convenient for disassembly and assembly.
Preferably, the bolt and nut kit is made of plastic material for insulating and isolating the probe point bolt and nut kit from the installation position.
As shown in fig. 1, a CAN bus docking probe 3 and a power docking probe 6 are further disposed on the upper top plate 10.
As shown in fig. 2, the side plate frame 4 is provided with heat dissipation holes 8, fan mounting holes 7 and indicator light mounting holes 5, the inner side of the side plate frame 4 is further provided with a calibration plate mounting base 12 for mounting a calibration plate, and the calibration plate is connected with probes 21 of the upper top plate 10 and the lower bottom plate 18 for sampling voltage and current of the test power supply.
In specific implementation, as shown in fig. 3 and 7, a welding point 15 is arranged at the bottom of the probe of the upper top plate 10, the welding point 15 is welded into a whole through beryllium copper, the welding point 15 is arranged at the bottom of the probe of the lower bottom plate 18, the welding point 15 is welded into a whole through beryllium copper, the bottom of the probe is welded into a whole, electrical connection between the probe and the calibration plate can be reduced, the conductivity of the beryllium copper is good, and the internal resistance of the calibration tool can be reduced as much as possible.
The structure of the probe 21 is as shown in fig. 7, and in order to facilitate the contact between the probe point 1 and the sampling point of the test power supply, the top surface of the probe point 1 is a plane.
Preferably, in order to adapt to test power supplies with various specifications, the diameter of the probe 21 is designed to be as large as possible, generally, the diameter of the probe 21 is 10-50 mm, and the probe is suitable for most test power supplies and needle bed equipment.
In the specific implementation, in order to increase the conductive capability of the probe 21 and reduce the internal resistance of the probe 21 as much as possible, the needle rod of the probe 21 is made of brass silver-plated material, and the needle head (detection point 1) is made of beryllium copper nickel magnesium gold material.
Meanwhile, as can be seen from fig. 1-3 and 5-6, the upper top plate 10, the lower bottom plate 18 and the side plate frames 4 are all provided with bolt fixing holes 2 for fixedly connecting the upper top plate 10, the lower bottom plate 18 and the side plate frames 4.
Fig. 8 is a schematic view of an application structure of the calibration tool of the present invention. As can be seen from the figure 8, the calibration tool adopts the tray type appearance design, can be directly applied to the existing needle bed, and can also meet the carrying requirements of the stacker.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (5)
1. A calibration tool for an automatic calibration system of a formation and partial capacity test power supply is characterized by comprising an upper top plate, a lower bottom plate and a side plate frame, wherein a plurality of probes are arranged on the upper top plate and the lower bottom plate respectively, probe points are arranged at the tops of the probes, the probes on the upper top plate and the lower bottom plate correspond to one another one by one, and the probes are fixed by bolt and nut kits, wherein the bolts are of hollow structures and used for wrapping the probes;
the probe is arranged in the through holes of the upper top plate and the lower bottom plate, the bolt and nut suite comprises a hollow bolt and two insulating nuts, and after the probe penetrates through the bolt, two ends of the probe are fixed on the through holes by the insulating nuts;
the probe adopts a modular structure, and is compatible with test power supplies and needle bed equipment of various specifications by replacing different modules; the diameter of the probe detection point is 10 mm-50 mm, and the probe detection point can be compatible with various testing power supplies;
the calibration tool is compatible with a test power supply and needle bed equipment, realizes the calibration of the power supply of the number of the disposable full-tray channels, adopts the tray type appearance design, meets the carrying requirement of the stacker and realizes the full-automatic calibration;
the bottom of the probe of the upper top plate is provided with a welding point, and the welding point is welded into a whole through beryllium copper;
the bottom of the probe of the lower bottom plate is provided with a welding point, and the welding point is welded into a whole through beryllium copper; the electrical connection between the calibration plate and the calibration plate is reduced, and the internal resistance of the calibration tool is reduced by utilizing the conductive performance of beryllium copper;
the inner side of the side plate frame is provided with a calibration plate mounting seat for mounting a calibration plate, and the calibration plate is connected with probes of the upper top plate and the lower bottom plate and used for sampling voltage and current of a test power supply;
the probe detection point of the upper top plate is an anode detection point, the anode detection point is in butt joint with the probe on the needle bed, the probe on the needle bed is connected with the anode of the test power supply, the probe detection point of the lower bottom plate is a cathode detection point, the cathode detection point is in butt joint with the probe under the needle bed, and the lower probe of the needle bed is connected with the cathode of the test power supply.
2. The calibration tool for the automatic calibration system of the chemical composition content testing power supply according to claim 1, wherein the through hole comprises a mounting hole and a support seat arranged on one side of the mounting hole.
3. The calibration tool for the automatic calibration system of the component-capacitance test power supply according to claim 2, wherein reinforcing ribs are arranged between the supporting seats.
4. The calibration tool for the automatic calibration system of the component-capacitance test power supply according to claim 1, wherein a CAN bus docking probe and a power supply docking probe are further arranged on the upper top plate.
5. The calibration tool for the automatic calibration system of the component-capacitance test power supply according to claim 1, wherein the side plate frame is provided with heat dissipation holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738085.1A CN108614232B (en) | 2018-07-06 | 2018-07-06 | Calibration tool for automatic calibration system of formation and grading test power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738085.1A CN108614232B (en) | 2018-07-06 | 2018-07-06 | Calibration tool for automatic calibration system of formation and grading test power supply |
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| Publication Number | Publication Date |
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| CN108614232A CN108614232A (en) | 2018-10-02 |
| CN108614232B true CN108614232B (en) | 2020-07-14 |
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| CN201810738085.1A Active CN108614232B (en) | 2018-07-06 | 2018-07-06 | Calibration tool for automatic calibration system of formation and grading test power supply |
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| CN111323710B (en) * | 2020-02-21 | 2022-05-10 | 天津力神电池股份有限公司 | Test method of needle bed type battery charging and discharging equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2708514Y (en) * | 2003-11-18 | 2005-07-06 | 韦京生 | An upper and lower clamp on cell chemical composition partial volume detection system |
| CN200944423Y (en) * | 2006-08-25 | 2007-09-05 | 天津力神电池股份有限公司 | Automatic calibrating device for lithium ion battery formation cabinet |
| CN101581766A (en) * | 2008-05-15 | 2009-11-18 | 深圳市比克电池有限公司 | Method for detecting invalid detecting point of cell detecting cabinet |
| CN202003017U (en) * | 2011-03-03 | 2011-10-05 | 深圳市精实机电科技有限公司 | Energy-saving flexible-packaging battery forming and grading equipment |
| CN204333159U (en) * | 2013-12-25 | 2015-05-13 | 深圳市沃特玛电池有限公司 | Formation of Li-ion batteries partial volume clamping device and there is the equipment of this clamping device |
| CN104316880A (en) * | 2014-10-27 | 2015-01-28 | 广州市方驰电子有限公司 | Automatic clamping battery testing device |
| CN205003251U (en) * | 2015-07-17 | 2016-01-27 | 北京航天万源科技公司 | Needle bed testing arrangement |
| CN207096290U (en) * | 2017-08-30 | 2018-03-13 | 深圳鼎阳智能科技有限公司 | A kind of needle-bar cabinet for quadrate lithium battery test |
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Effective date of registration: 20220810 Address after: Room 201, Scientific Research Building, South Side of North Ring Expressway, North of Mili Road, Huaiyin District, Jinan City, Shandong Province, 250000 Patentee after: Yuanshan (Jinan) Electronic Technology Co.,Ltd. Address before: 250061, No. ten, No. 17923, Lixia District, Ji'nan City, Shandong Province Patentee before: SHANDONG University |
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