CN110346745B - Battery module detects check-up frock for instrument - Google Patents

Battery module detects check-up frock for instrument Download PDF

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Publication number
CN110346745B
CN110346745B CN201910695258.0A CN201910695258A CN110346745B CN 110346745 B CN110346745 B CN 110346745B CN 201910695258 A CN201910695258 A CN 201910695258A CN 110346745 B CN110346745 B CN 110346745B
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China
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adjusting
plate
adjusting mechanism
resistor
copper bar
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CN110346745A (en
Inventor
汤平
郭金鸿
涂智青
叶文
张飞
赖秋凤
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Fujian Nebula Electronics Co Ltd
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Fujian Nebula Electronics Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention provides a check tool for a battery module detection tool in the field of lithium battery testing, which comprises a one-level adjusting mechanism, a two-level adjusting mechanism, a three-level adjusting mechanism and a check part; the first-stage adjusting mechanism comprises a first copper bar adjusting assembly, a second copper bar adjusting assembly, a first base and a second base; the first copper bar adjusting component is arranged at the upper end of the checking part through the first base; one end of the secondary adjusting mechanism is fixedly arranged at the upper end of the checking part, and the other end of the secondary adjusting mechanism is suspended in the air; the second copper bar adjusting assembly is arranged at the upper end of the secondary adjusting mechanism through a second base; the three-level adjusting mechanism is arranged at the lower end of the checking part. The invention has the advantages that: realize stepless regulation simulation not unidimensional battery module to the check-up of compatible not unidimensional tray and the module check out test set of multiple style, and promoted the convenience that the resistance gear was changed.

Description

Battery module detects check-up frock for instrument
Technical Field
The invention relates to the field of lithium battery testing, in particular to a checking tool for a battery module detection tool.
Background
The lithium battery module or the battery pack is required to be placed on a fixed tray when leaving the factory, and comprehensive performance detection is carried out on the lithium battery module or the battery pack, so that potential safety risks caused in a battery assembly process are avoided, and the performance utilization rate is improved. When testing lithium battery module or battery package, the testing tool adopts probe and professional detecting instrument and meter to carry out joint detection. However, the temperature is different every day due to different detection environments, and the detection accuracy is often disturbed due to the fact that the temperature is very different in winter and summer. Meanwhile, damage to the detecting instrument is often not easily detected, and can be detected only by periodically checking the instrument. In order to avoid the situation that a detecting instrument, a probe and the like are damaged in the mass production process, but the testing is still performed, and also to distinguish whether the data problem is caused by the instrument or the performance problem of the lithium battery, when the testing tool is used for detection, a standard product which completely accords with the standard needs to be provided for verification, namely, the testing result of the testing tool is verified through the standard product, so that the testing tool is not damaged, and the like, and the standard product is often called a verification tool and is known as a master.
However, when the conventional checking tool performs checking, the following defects exist: 1. the compatibility is low, and the peripheral size of the tooling cannot be modified, so that the tooling cannot correspond to the shape of the existing tray; the sizes of the battery modules are different, and the verification of multiple or multiple-size module detection equipment cannot be compatible; 2. the existing tool is provided with a plurality of copper plates compatible with the size of the battery module, but certain intervals exist on the size, and the stepless regulation function cannot be realized; 3. the change-over switch does not integrate a plurality of gears, and each change-over switch needs to be adjusted respectively to combine required resistance when switching resistance, leads to the switching operation not convenient enough.
Disclosure of Invention
The invention aims to solve the technical problem of providing a checking tool for a battery module detection tool, which realizes stepless adjustment and simulation of battery modules with different sizes, is compatible with checking of trays with different sizes and battery module detection equipment with various styles, and improves the convenience of changing a resistance gear.
The invention is realized in the following way: the utility model provides a battery module detects check-up frock for instrument, includes one-level adjustment mechanism, one tertiary adjustment mechanism and a check-up department dress;
the first-stage adjusting mechanism comprises a first copper bar adjusting assembly, a second copper bar adjusting assembly, a first base and a second base; the first copper bar adjusting component is arranged at the upper end of the checking part through the first base; one end of the secondary adjusting mechanism is fixedly arranged at the upper end of the checking part, the other end of the secondary adjusting mechanism is suspended, and the secondary adjusting mechanism is perpendicular to the first copper bar adjusting assembly; the second copper bar adjusting component is arranged at the upper end of the secondary adjusting mechanism through a second base, is positioned at the tail end of the suspension end of the secondary adjusting mechanism and is vertical to the secondary adjusting mechanism; the three-level adjusting mechanism is arranged at the lower end of the checking part;
the checking part comprises an outer shell, a switch, a resistor connecting component and a resistor; the change-over switch is arranged on the side surface of the outer shell; the resistor connecting component is arranged in the outer shell; the resistor is arranged on the resistor connecting component, one end of the resistor is electrically connected with the change-over switch, and the other end of the resistor is electrically connected with the resistor connecting component; the first-stage adjusting mechanism and the second-stage adjusting mechanism are arranged at the upper end of the outer shell; the three-stage adjusting mechanism is arranged at the lower end of the outer shell.
Further, the first copper bar adjusting assembly and the second copper bar adjusting assembly comprise a first-stage adjusting groove in a convex shape, a first-stage adjusting plate, a copper bar, a bolt and a nut;
the copper bar is fixedly arranged at the upper end of the primary adjusting plate; the upper end of the primary adjusting plate is provided with a counter bore; the nut is arranged in the primary adjusting groove, and the bolt penetrates through the counter bore to be in threaded connection with the nut and is used for fixing the position of the primary adjusting plate;
the copper bar is electrically connected with the switch.
Further, the outer diameter of the nut is larger than the notch of the primary adjusting groove.
Further, the first base and the second base are provided with a first elongated slot in a shape of a Chinese character 'I' along the length direction; the primary adjusting groove is embedded in the first long groove.
Further, the secondary adjusting mechanism comprises two convex secondary adjusting grooves, two I-shaped secondary adjusting plates, a third base and an adjusting groove fixing block;
the third base is embedded into the top surface of the check part; the top surface of the third base is provided with two second long grooves, the top surface of the checking part is provided with two third long grooves, and the second long grooves are communicated with the third long grooves; each secondary adjusting groove is arranged in the second long groove and the third long groove and is locked through the adjusting groove fixing block;
the secondary adjusting plate is connected with the secondary adjusting groove in a sliding manner; the secondary adjusting plate is provided with a plurality of first threaded holes for fixing positions from top to bottom; the second copper bar adjusting component is arranged at the upper ends of the two secondary adjusting plates through the second base.
Further, the three-stage adjusting mechanism comprises a supporting plate, two longitudinal adjusting strips, two indexing pins and a side backing strip;
the supporting plate is arranged on the side edge of the bottom of the checking part; two ends of the side surface of the supporting plate are respectively provided with a notch matched with the cross section of the longitudinal adjusting strip, and the supporting plate and the vertical surface of the notch are respectively provided with a second threaded hole; the side surface of the longitudinal adjusting strip is provided with a plurality of round holes;
the longitudinal adjusting strip passes through the notch and is inserted into the round hole through an indexing pin arranged in the second threaded hole for locking; the side filler strips are arranged at the upper ends of the two longitudinal adjusting strips through bolts.
Further, the outer shell comprises an upper bottom plate, a lower bottom plate, two side sealing plates, a front sealing plate and a rear sealing plate;
the front sealing plate is vertically arranged in front of the upper end of the lower bottom plate, the rear sealing plate is vertically arranged behind the upper end of the lower bottom plate, the two side sealing plates are respectively and vertically arranged on the side surfaces of the upper end of the lower bottom plate, and the upper bottom plate is arranged at the upper ends of the front sealing plate, the rear sealing plate and the side sealing plates; the upper bottom plate, the lower bottom plate, the side sealing plates, the front sealing plate and the rear sealing plate form a closed space;
the front sealing plate is provided with a first hole for installing the change-over switch and a second hole for installing the resistor connecting component;
the rear sealing plate is provided with a third hole for installing the resistor connecting component;
and a buckle is arranged on the outer sides of the two side sealing plates.
Further, the change-over switch comprises a fixed seat, eight detection leads, a deflector rod, a conductive column and a change-over plate;
the detection lead passes through the rear plate of the fixed seat; the switching plate is arranged in the fixed seat, the deflector rod is arranged at the front end of the switching plate, the conductive column is arranged at the rear end of the switching plate, and the conductive column is switched by stirring the deflector rod to be electrically connected with one end of different detection leads; the other end of the detection lead is connected with a resistor; the fixed seat is fixed on the front sealing plate through a bolt lock, and the deflector rod passes through the first hole.
Further, the resistor connecting assembly comprises a resistor mounting seat, two mounting pieces and two copper sheets;
the resistor mounting seat is fixedly arranged on the rear sealing plate, and the resistor is mounted on the resistor mounting seat; the copper sheets are mounted on the mounting sheets, the two mounting sheets are respectively attached to the front sealing plate and the rear sealing plate through bolts, and the two copper sheets are just embedded into the second hole and the third hole respectively; and the lead wires of the resistor penetrate through the mounting piece and are connected with the copper sheet.
The invention has the advantages that:
1. through setting up one-level adjustment mechanism and second grade adjustment mechanism realize horizontal and longitudinal stepless regulation of copper bar, and then simulate not unidimensional battery module to the check-up of the battery module check out test set of compatible multiple style.
2. Through setting up tertiary adjustment mechanism realizes the whole horizontal direction's of carrying out of check-up frock aversion, and then compatible not unidimensional tray.
3. Through setting up one change over switch, simulate the test of multiple different resistance to check-up, compare and set up a plurality of change over switches and carry out the combination of resistance traditionally, very big promotion the convenience that the resistance gear was changed.
Drawings
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a checking fixture for a battery module detecting tool according to the present invention.
FIG. 2 is a schematic diagram of the primary adjustment mechanism of the present invention.
FIG. 3 is a schematic diagram of the structure of the secondary adjustment mechanism of the present invention.
FIG. 4 is a schematic diagram of the three-stage adjustment mechanism of the present invention.
Fig. 5 is a schematic structural view of the checking unit assembly of the present invention.
Fig. 6 is a schematic diagram of the structure of the switch of the present invention.
Fig. 7 is a side view of the primary adjustment mechanism of the present invention.
Fig. 8 is a side view of the secondary adjustment mechanism of the present invention.
Marking:
100-a checking fixture for a battery module detection tool, wherein the checking fixture comprises a 1-first-stage adjusting mechanism, a 2-second-stage adjusting mechanism, a 3-third-stage adjusting mechanism, a 4-checking part, a 11-first copper bar adjusting component, a 12-second copper bar adjusting component, a 111-first-stage adjusting groove, a 112-first-stage adjusting plate, 1121-counter bore, 113-copper bars, 114-nuts, a 13-first base, 14-second base, a 41-outer shell, 42-switch, a 43-resistance connecting component, a 21-second-stage adjusting groove, a 22-second-stage adjusting plate, 221-first screw holes, 23-third base, 231-second-stage adjusting mechanism, a 24-adjusting groove fixing block, 4111-third-stage slot, 31-supporting plate, 311-notch, 312-second screw holes, 32-longitudinal adjusting bars, 321-round holes, 33-index pins, 34-side backing bars, 411-upper base plate, 412-lower base plate, 413-side sealing plates, 414-front sealing plates, 415-rear sealing plates, 4141-first holes, 4142-second holes, 4131-422-copper bars, 433-detecting pins, and wire holders.
Detailed Description
Referring to fig. 1 to 8, a preferred embodiment of a checking fixture 100 for a battery module detecting tool according to the present invention includes a primary adjusting mechanism 1, a secondary adjusting mechanism 2, a tertiary adjusting mechanism 3, and a checking unit 4; by arranging the primary adjusting mechanism 1 and the secondary adjusting mechanism 2, the transverse and longitudinal stepless adjustment of the copper bar 113 is realized, and further battery modules with different sizes are simulated, so that the verification of battery module detection equipment with various styles is compatible; by arranging the three-stage adjusting mechanism 3, the whole checking fixture 100 is horizontally shifted, so that trays (not shown) with different sizes are compatible; the verification unit 4 is used for installing resistors (not shown) and simulating different resistance values.
The primary adjusting mechanism 1 comprises a first copper bar adjusting component 11, a second copper bar adjusting component 12, a first base 13 and a second base 14; the first copper bar adjusting assembly 11 is arranged at the upper end of the checking part assembly 4 through a first base 13; one end of the secondary adjusting mechanism 2 is fixedly arranged at the upper end of the checking part 4, the other end of the secondary adjusting mechanism is suspended in the air, and the secondary adjusting mechanism 2 is perpendicular to the first copper bar adjusting assembly 11; the second copper bar adjusting assembly 12 is arranged at the upper end of the secondary adjusting mechanism 2 through a second base 14, is positioned at the tail end of the suspension end of the secondary adjusting mechanism 2, and is vertical to the secondary adjusting mechanism 2; the three-level adjusting mechanism 3 is arranged at the lower end of the checking part 4;
the checking part 4 comprises an outer shell 41, a switch 42, a resistor connecting component 43 and a resistor (not shown); the change-over switch 42 is arranged on the side surface of the outer shell 41; the resistor connection assembly 43 is arranged inside the outer shell 41; the resistor is mounted on the resistor connecting component 43, one end of the resistor is electrically connected with the change-over switch 42, and the other end of the resistor is electrically connected with the resistor connecting component 43; the primary adjusting mechanism 1 and the secondary adjusting mechanism 2 are arranged at the upper end of the outer shell 41; the three-stage adjusting mechanism 3 is provided at the lower end of the outer case 41. Through setting up one change over switch 42, simulate the test of multiple different resistance, go on the check-up, compare and set up a plurality of change over switches and carry out the combination of resistance traditionally, very big promotion the convenience that the resistance gear was changed.
The first copper bar adjusting assembly 11 and the second copper bar adjusting assembly 12 each comprise a first-stage adjusting groove 111, a first-stage adjusting plate 112, a copper bar 113, a bolt (not shown) and a nut 114; the copper bar 113 comprises two parallel copper sheets, and the copper bar 113 is used for contacting with a probe (not shown) on the detection equipment so as to realize the verification of the detection equipment;
the copper bar 113 is fixedly arranged at the upper end of the first-stage adjusting plate 112; the upper end of the primary adjusting plate 112 is provided with a counter bore 1121; the nut 114 is arranged in the primary adjusting groove 111, and the bolt passes through the counter bore 1121 to be in threaded connection with the nut 114 for fixing the position of the primary adjusting plate 112; when the position of the primary adjusting plate 112 needs to be adjusted, the bolts are loosened;
the copper bar 113 is electrically connected to the switch 42, and is used for switching between different resistance gear positions.
The nut 114 has an outer diameter larger than a notch of the primary adjusting groove 111 for locking the primary adjusting plate 112.
The first base 13 and the second base 14 are provided with a first elongated slot 131 in a shape of a Chinese character 'pin' along the length direction; the primary adjustment groove 111 is embedded in the first elongated groove 131.
The secondary adjusting mechanism 2 comprises two convex secondary adjusting grooves 21, two I-shaped secondary adjusting plates 22, a third base 23 and an adjusting groove fixing block 24;
the third base 23 is embedded into a rectangular groove preset on the top surface of the checking part assembly 4; the top surface of the third base 23 is provided with two second long grooves 231, the top surface of the checking part 4 is provided with two third long grooves 4111, and the second long grooves 231 are communicated with the third long grooves 4111; each secondary adjusting groove 21 is disposed in the second long groove 231 and the third long groove 4111, and is locked by the adjusting groove fixing block 24; the secondary adjusting groove 21 can adjust the extension range, namely the suspended length, and the adjusting groove fixing block 24 is used for locking after the adjustment is finished;
the secondary adjusting plate 22 is in sliding connection with the secondary adjusting groove 21; the secondary adjusting plate 22 is provided with a plurality of first threaded holes 221 for fixing positions from top to bottom; the second copper bar adjusting assembly 12 is arranged at the upper ends of the two secondary adjusting plates 22 through the second base 14. When the secondary adjusting plate 22 needs to be fixed, the bolts are screwed down from the first screw holes 221.
The three-stage adjusting mechanism 3 comprises a supporting plate 31, two longitudinal adjusting strips 32, two indexing pins 33 and a side backing strip 34;
the supporting plate 31 is arranged on the side edge of the bottom of the checking part 4; two ends of the side surface of the supporting plate 31 are respectively provided with a notch 311 matched with the cross section of the longitudinal adjusting strip 32, and the vertical surfaces of the supporting plate 31 and the notch 311 are respectively provided with a second threaded hole 312; a plurality of round holes 321 are arranged on the side surface of the longitudinal adjusting strip 32;
the longitudinal adjustment bar 32 passes through the notch 311 and is inserted into the round hole 321 for locking by the indexing pin 33 arranged in the second threaded hole 312; the side pad strips 34 are arranged at the upper ends of the two longitudinal adjustment strips 32 through bolts.
The outer casing 41 includes an upper base 411, a lower base 412, two side sealing plates 413, a front sealing plate 414, and a rear sealing plate 415;
the front sealing plate 414 is vertically arranged in front of the upper end of the lower plate 412, the rear sealing plate 415 is vertically arranged behind the upper end of the lower plate 412, the two side sealing plates 413 are respectively vertically arranged on the side surfaces of the upper end of the lower plate 412, and the upper plate 411 is arranged on the upper ends of the front sealing plate 414, the rear sealing plate 415 and the side sealing plates 413; the upper bottom plate 411, the lower bottom plate 412, the side sealing plates 413, the front sealing plate 414 and the rear sealing plate 415 form a closed space;
the front sealing plate 414 is provided with a first hole 4141 for installing the switch 42 and a second hole 4142 for installing the resistor connecting assembly 43;
the rear sealing plate 415 is provided with a third hole (not shown) for installing the resistor connecting assembly 43;
the outer sides of the two side sealing plates 413 are respectively provided with a buckle 4131, and the buckle 4131 is arranged to facilitate the transportation of the verification tool 100.
The switch 42 includes a fixed seat 421, eight detecting leads 422, a shifter 423, a conductive post 424, and a switch board 425; the detection leads 422 are divided into four pairs of parallel flat-shaped arrangement;
the detection lead 422 passes through the rear plate of the fixed seat 421; the switching plate 425 is arranged in the fixed seat 421, the deflector 423 is arranged at the front end of the switching plate 425, the conductive column 424 is arranged at the rear end of the switching plate 425, and the conductive column 424 is switched to be electrically connected with one end of the different detection leads 422 by pulling the deflector 423; the other end of the detection lead 422 is connected with a resistor; the fixed seat 421 is fastened to the front sealing plate 414 by a bolt, and the driving lever 423 passes through the first hole 4141.
The resistor connecting component 43 comprises a resistor mounting seat 431, two mounting sheets 432 and two copper sheets 433; the copper sheets 433 are used for connecting with a detecting instrument and are symmetrically arranged at the front side and the rear side of the outer shell 41;
the resistor mounting seat 431 is fixedly arranged on the rear sealing plate 415, and the resistor is mounted on the resistor mounting seat 431; the copper sheets 433 are mounted on the mounting sheets 432, the two mounting sheets 432 are respectively locked on the front sealing plate 414 and the rear sealing plate 415 through bolts, and the two copper sheets 433 are just respectively embedded into the second hole 4142 and the third hole; the leads of the resistor are connected to copper sheets 433 through mounting tabs 432.
The working principle of the invention is as follows:
placing the checking fixture 100 on a tray, and adjusting the three-stage adjusting mechanism 3 to enable the size of the checking fixture 100 to be matched with the tray, so that each detection is in the same position; the primary adjusting mechanism 1 and the secondary adjusting mechanism 2 are adjusted to simulate the size of the battery module to be tested, and the copper bars 113 correspond to a probe carrier plate (not shown), and probes arranged on the probe carrier plate are connected with an insulation testing instrument.
And (3) shifting the shifting lever 423 to an insulation OK gear, starting an insulation test instrument, enabling a probe on a probe carrier plate to contact with a corresponding copper bar 113 on the checking fixture 100, observing a display value on the insulation test instrument, comparing the display value with an insulation value of the OK gear on the instruction book, and indicating that the insulation OK gear of the probe and the insulation test instrument is in a qualified range.
In summary, the invention has the advantages that:
1. through setting up one-level adjustment mechanism and second grade adjustment mechanism realize horizontal and longitudinal stepless regulation of copper bar, and then simulate not unidimensional battery module to the check-up of the battery module check out test set of compatible multiple style.
2. Through setting up tertiary adjustment mechanism realizes the whole horizontal direction's of carrying out of check-up frock aversion, and then compatible not unidimensional tray.
3. Through setting up one change over switch, simulate the test of multiple different resistance to check-up, compare and set up a plurality of change over switches and carry out the combination of resistance traditionally, very big promotion the convenience that the resistance gear was changed.
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. The utility model provides a battery module detects check-up frock for instrument which characterized in that: comprises a primary adjusting mechanism, a secondary adjusting mechanism, a tertiary adjusting mechanism and a checking part;
the first-stage adjusting mechanism comprises a first copper bar adjusting assembly, a second copper bar adjusting assembly, a first base and a second base; the first copper bar adjusting component is arranged at the upper end of the checking part through the first base; one end of the secondary adjusting mechanism is fixedly arranged at the upper end of the checking part, the other end of the secondary adjusting mechanism is suspended, and the secondary adjusting mechanism is perpendicular to the first copper bar adjusting assembly; the second copper bar adjusting component is arranged at the upper end of the secondary adjusting mechanism through a second base, is positioned at the tail end of the suspension end of the secondary adjusting mechanism and is vertical to the secondary adjusting mechanism; the three-level adjusting mechanism is arranged at the lower end of the checking part;
the checking part comprises an outer shell, a switch, a resistor connecting component and a resistor; the change-over switch is arranged on the side surface of the outer shell; the resistor connecting component is arranged in the outer shell; the resistor is arranged on the resistor connecting component, one end of the resistor is electrically connected with the change-over switch, and the other end of the resistor is electrically connected with the resistor connecting component; the first-stage adjusting mechanism and the second-stage adjusting mechanism are arranged at the upper end of the outer shell; the three-level adjusting mechanism is arranged at the lower end of the outer shell;
the secondary adjusting mechanism comprises two convex secondary adjusting grooves, two I-shaped secondary adjusting plates, a third base and an adjusting groove fixing block;
the third base is embedded into the top surface of the check part; the top surface of the third base is provided with two second long grooves, the top surface of the checking part is provided with two third long grooves, and the second long grooves are communicated with the third long grooves; each secondary adjusting groove is arranged in the second long groove and the third long groove and is locked through the adjusting groove fixing block;
the secondary adjusting plate is connected with the secondary adjusting groove in a sliding manner; the secondary adjusting plate is provided with a plurality of first threaded holes for fixing positions from top to bottom; the second copper bar adjusting assembly is arranged at the upper ends of the two secondary adjusting plates through a second base;
the three-level adjusting mechanism comprises a supporting plate, two longitudinal adjusting strips, two indexing pins and a side backing strip;
the supporting plate is arranged on the side edge of the bottom of the checking part; two ends of the side surface of the supporting plate are respectively provided with a notch matched with the cross section of the longitudinal adjusting strip, and the supporting plate and the vertical surface of the notch are respectively provided with a second threaded hole; the side surface of the longitudinal adjusting strip is provided with a plurality of round holes;
the longitudinal adjusting strip passes through the notch and is inserted into the round hole through an indexing pin arranged in the second threaded hole for locking; the side filler strips are arranged at the upper ends of the two longitudinal adjusting strips through bolts.
2. The calibration fixture for a battery module detection tool as set forth in claim 1, wherein: the first copper bar adjusting assembly and the second copper bar adjusting assembly comprise a first-stage adjusting groove in a convex shape, a first-stage adjusting plate, a copper bar, a bolt and a nut;
the copper bar is fixedly arranged at the upper end of the primary adjusting plate; the upper end of the primary adjusting plate is provided with a counter bore; the nut is arranged in the primary adjusting groove, and the bolt penetrates through the counter bore to be in threaded connection with the nut and is used for fixing the position of the primary adjusting plate;
the copper bar is electrically connected with the switch.
3. The checking fixture for a battery module inspection tool as set forth in claim 2, wherein: the outer diameter of the nut is larger than the notch of the primary adjusting groove.
4. The checking fixture for a battery module inspection tool as set forth in claim 2, wherein: the first base and the second base are provided with a first convex long groove along the length direction; the primary adjusting groove is embedded in the first long groove.
5. The calibration fixture for a battery module detection tool as set forth in claim 1, wherein: the outer shell comprises an upper bottom plate, a lower bottom plate, two side sealing plates, a front sealing plate and a rear sealing plate;
the front sealing plate is vertically arranged in front of the upper end of the lower bottom plate, the rear sealing plate is vertically arranged behind the upper end of the lower bottom plate, the two side sealing plates are respectively and vertically arranged on the side surfaces of the upper end of the lower bottom plate, and the upper bottom plate is arranged at the upper ends of the front sealing plate, the rear sealing plate and the side sealing plates; the upper bottom plate, the lower bottom plate, the side sealing plates, the front sealing plate and the rear sealing plate form a closed space;
the front sealing plate is provided with a first hole for installing the change-over switch and a second hole for installing the resistor connecting component;
the rear sealing plate is provided with a third hole for installing the resistor connecting component;
and a buckle is arranged on the outer sides of the two side sealing plates.
6. The battery module inspection tool calibration fixture of claim 5, wherein: the change-over switch comprises a fixed seat, eight detection leads, a deflector rod, a conductive column and a change-over plate;
the detection lead passes through the rear plate of the fixed seat; the switching plate is arranged in the fixed seat, the deflector rod is arranged at the front end of the switching plate, the conductive column is arranged at the rear end of the switching plate, and the conductive column is switched by stirring the deflector rod to be electrically connected with one end of different detection leads; the other end of the detection lead is connected with a resistor; the fixed seat is fixed on the front sealing plate through a bolt lock, and the deflector rod passes through the first hole.
7. The battery module inspection tool calibration fixture of claim 5, wherein: the resistor connecting assembly comprises a resistor mounting seat, two mounting pieces and two copper sheets;
the resistor mounting seat is fixedly arranged on the rear sealing plate, and the resistor is mounted on the resistor mounting seat; the copper sheets are mounted on the mounting sheets, the two mounting sheets are respectively attached to the front sealing plate and the rear sealing plate through bolts, and the two copper sheets are just embedded into the second hole and the third hole respectively; and the lead wires of the resistor penetrate through the mounting piece and are connected with the copper sheet.
CN201910695258.0A 2019-07-30 2019-07-30 Battery module detects check-up frock for instrument Active CN110346745B (en)

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CN110346745B true CN110346745B (en) 2023-12-05

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