CN212781147U - Lithium battery limit voltage limit resistance test fixture - Google Patents

Abstract

The utility model discloses a lithium battery limit voltage limit resistance test fixture, including the electricity jar supporting seat, the up end fixed mounting of electricity jar supporting seat has electric putter, electric putter's bottom is provided with the connecting plate, the equal fixed mounting in inboard at connecting plate both ends has the position sleeve, the spliced pole is installed to the inboard of position sleeve, the needle file is installed to the lower terminal surface of spliced pole, the lower terminal surface of needle file is provided with two probes, one side fixed mounting of spliced pole has the backup pad, the regulation pole is installed to the inboard of backup pad one end, the up end of adjusting the pole is provided with buffering anticollision piece, the bottom fixed mounting of electricity jar supporting seat has two sliders, the outside sliding connection of slider has the direction slide. The utility model discloses an automatic puncture the contact test to the lithium cell not sealing up the district for efficiency of software testing promotes by a wide margin, and automatic test will reduce the cost of labor, and the test effect is more accurate.

Description

Lithium battery limit voltage limit resistance test fixture

Technical Field

The utility model relates to a test fixture technical field specifically is a lithium cell limit voltage limit resistance test fixture.

Background

With the rapid development of social economy, the use of lithium batteries is more and more common, the lithium batteries are batteries which use non-aqueous electrolyte solution and use lithium metal or lithium alloy as positive and negative electrode materials, and the lithium metal has very high requirements on the environment for processing, storage and use due to the very active chemical characteristics of the lithium metal.

However, the existing testing mode adopts manual operation, so that the cost is high, the efficiency is low, poor contact is easy to cause, and the risk of missed judgment is caused; therefore, the existing requirements are not met, and a lithium battery edge voltage edge resistance testing tool is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell limit voltage limit resistance test fixture to current test mode who proposes in solving above-mentioned background adopts manual operation, and is with high costs, and is efficient, easily causes contact failure, has the risk scheduling problem of lou judgement.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery limit voltage limit resistance test fixture, includes the electricity jar supporting seat, the up end fixed mounting of electricity jar supporting seat has electric putter, electric putter's bottom is provided with the connecting plate, the equal fixed mounting in inboard at connecting plate both ends has the position sleeve, the spliced pole is installed to the inboard of position sleeve, the needle file is installed to the lower terminal surface of spliced pole, the lower terminal surface of needle file is provided with two probes, one side fixed mounting of spliced pole has the backup pad, the regulation pole is installed to the inboard of backup pad one end, the up end of adjusting the pole is provided with buffering anticollision piece, the bottom fixed mounting of electricity jar supporting seat has two sliders, the outside sliding connection of slider has the direction slide.

Preferably, one of them inboard fixed mounting of direction slide has the guide bar, another drive screw is installed to the inboard of direction slide, the lower terminal surface fixed mounting of direction slide has the bottom sprag frame, the middle part fixed mounting of bottom sprag frame up end has electric core to place the board, one side of bottom sprag frame is provided with the ammeter mounting panel.

Preferably, the upper end face of the guide sliding plate is provided with a guide sliding groove, the bottom end of the sliding block extends to the inner side of the guide sliding groove, the bottom end of the electric cylinder supporting seat is fixedly connected with the sliding block through a screw, and the transmission screw is connected with one of the sliding blocks through a thread.

Preferably, the bottom end of the adjusting rod is connected with the upper end of the supporting plate through threads, and the buffering anti-collision block is fixedly bonded with the adjusting rod.

Preferably, the needle base is in threaded connection with the bottom end of the connecting column, the bottom end of the needle base is provided with a positioning hole, and the probe is in threaded connection with the inner side of the positioning hole.

Preferably, the inboard of ammeter mounting panel is provided with the universal meter, universal meter and probe electric connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a spliced pole passes through threaded connection with the position sleeve, and then is applicable to the electric core test of different thickness, and drive screw drives the slider and slides, and then can drive the probe through the electric jar supporting seat and carry out the regulation of position, and electric putter drives the probe and pushes down, and then punctures the test to the plastic-aluminum membrane of the position that awaits measuring through the bottom of probe, is provided with the universal meter in the inboard of ammeter mounting panel, can detect electric core fast this moment through the universal meter;

2. the utility model discloses a be provided with two sets of probes, every group is two, can prevent probe and plastic-aluminum membrane contact failure problem, and can test two electric cores simultaneously, detects more fast, adjusts the pole and passes through threaded connection with the backup pad, and then when carrying out altitude mixture control to the regulation pole, can highly change buffering anticollision piece, carry out spacing buffering to the connecting plate through buffering anticollision piece, can effectively avoid the connecting plate to move down the condition that the distance too big caused the probe to damage.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a top view of the whole of the present invention;

fig. 3 is a schematic view of the structure of the local section of the connecting column of the present invention.

In the figure: 1. a bottom support frame; 2. a guide bar; 3. a slider; 4. an electric cylinder supporting seat; 5. an electric push rod; 6. a battery cell placing plate; 7. a positioning sleeve; 8. a support plate; 9. adjusting a rod; 10. a buffer anti-collision block; 11. an ammeter mounting plate; 12. a guide slide plate; 13. a drive screw; 14. a connecting plate; 15. connecting columns; 16. a needle seat; 17. and (3) a probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The electric putter 5 (model number LBP40) mentioned in the present invention can be obtained from market purchase or private customization.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a lithium battery side voltage side resistance test tool comprises an electric cylinder supporting seat 4, an electric push rod 5 is fixedly installed on the upper end face of the electric cylinder supporting seat 4, a connecting plate 14 is arranged at the bottom end of the electric push rod 5, locating sleeves 7 are fixedly installed on the inner sides of two ends of the connecting plate 14, connecting columns 15 are installed on the inner sides of the locating sleeves 7, needle beds 16 are installed on the lower end faces of the connecting columns 15, two probes 17 are arranged on the lower end face of each needle bed 16, a supporting plate 8 is fixedly installed on one side of each connecting column 15, an adjusting rod 9 is installed on the inner side of one end of each supporting plate 8, a buffering anti-collision block 10 is arranged on the upper end face of each adjusting rod 9, the connecting plate 14 is limited and buffered through the buffering anti-collision block 10, the situation that the probes 17 are damaged due to the fact that the downward moving distance of the connecting plate 14 is, wholly puncture the contact test through automatic to the lithium cell not sealing the district for efficiency of software testing promotes by a wide margin, and automatic test will reduce the cost of labor, and the test effect is more accurate.

Further, the inboard fixed mounting of one of them direction slide 12 has guide bar 2, drive screw 13 is installed to the inboard of another direction slide 12, the lower terminal surface fixed mounting of direction slide 12 has bottom sprag frame 1, the middle part fixed mounting of 1 up end of bottom sprag frame has electric core to place board 6, one side of bottom sprag frame 1 is provided with ammeter mounting panel 11, make drive screw 13 drive slider 3 through the screw thread and slide under the supporting role of direction slide 12, and then can drive probe 17 through electric cylinder supporting seat 4 and carry out the regulation of position.

Further, the upper end face of guide sliding plate 12 is provided with the direction spout, and the bottom of slider 3 extends to the inboard of direction spout, and the bottom of electricity jar supporting seat 4 passes through the screwed connection with slider 3 to be fixed, and drive screw 13 passes through threaded connection with one of them slider 3, is convenient for lead when sliding slider 3 through guide sliding plate 12, keeps the stability of removal.

Furthermore, the bottom end of the adjusting rod 9 is connected with the upper end of the supporting plate 8 through threads, the buffering anti-collision block 10 is fixedly bonded with the adjusting rod 9, the connecting plate 14 is subjected to limiting buffering through the buffering anti-collision block 10, and the situation that the probe 17 is damaged due to the fact that the downward moving distance of the connecting plate 14 is too large can be effectively avoided.

Further, the needle base 16 is connected with the bottom end of the connecting column 15 through threads, the bottom end of the needle base 16 is provided with a positioning hole, and the probe 17 is connected with the inner side of the positioning hole through threads, so that the probe 17 is convenient to replace and convenient to use.

Further, the inboard of ammeter mounting panel 11 is provided with the universal meter, universal meter and probe 17 electric connection, can detect electric core fast through the universal meter.

The working principle is as follows: when the device is used, whether the functions of all parts are intact is checked, a power supply is switched on, a lithium battery cell to be tested is placed on the inner side of a placing groove arranged on the upper end face of a cell placing plate 6, the height of a connecting column 15 is adjusted according to the thickness of the cell, the connecting column 15 is in threaded connection with a positioning sleeve 7, the device is further suitable for testing the cells with different thicknesses, a rotating handle arranged at one end of a transmission screw 13 is operated, the transmission screw 13 drives a sliding block 3 to slide through threads under the supporting action of a guide sliding plate 12, a probe 17 can be driven to adjust the position through an electric cylinder supporting seat 4, an electric push rod 5 is started, the electric push rod 5 drives the probe 17 to press down, the aluminum plastic film at the position to be tested is subjected to puncture test through the bottom end of the probe 17, a universal meter is arranged on the inner side of an electric meter mounting plate, and be provided with two sets of probes 17, every group is two, can prevent probe 17 and plastic-aluminum membrane contact failure problem, and can test two electric cores simultaneously, it is quicker to detect, needle file 16 passes through threaded connection with spliced pole 15, be convenient for change probe 17, high convenient to use, the height of adjusting lever 9 is adjusted according to the distance that moves down of connecting plate 14, adjusting lever 9 passes through threaded connection with backup pad 8, and then when adjusting lever 9 and carrying out height control, can change the height of buffering anticollision piece 10, carry out spacing buffering to connecting plate 14 through buffering anticollision piece 10, can effectively avoid connecting plate 14 to move down the condition that the distance is too big to cause probe 17 to damage.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a lithium cell limit voltage limit resistance test fixture, includes electric jar supporting seat (4), its characterized in that: an electric push rod (5) is fixedly arranged on the upper end surface of the electric cylinder supporting seat (4), a connecting plate (14) is arranged at the bottom end of the electric push rod (5), positioning sleeves (7) are fixedly arranged on the inner sides of the two ends of the connecting plate (14), a connecting column (15) is arranged on the inner side of the positioning sleeve (7), a needle seat (16) is arranged on the lower end surface of the connecting column (15), two probes (17) are arranged on the lower end surface of the needle base (16), a supporting plate (8) is fixedly arranged on one side of the connecting column (15), an adjusting rod (9) is arranged on the inner side of one end of the supporting plate (8), a buffering anti-collision block (10) is arranged on the upper end face of the adjusting rod (9), the bottom fixed mounting of electricity jar supporting seat (4) has two sliders (3), the outside sliding connection of slider (3) has direction slide (12).

2. The lithium battery side voltage side resistance test tool according to claim 1, characterized in that: one of them inboard fixed mounting of direction slide (12) has guide bar (2), another drive screw (13) are installed to the inboard of direction slide (12), the lower terminal surface fixed mounting of direction slide (12) has bottom sprag frame (1), the middle part fixed mounting of bottom sprag frame (1) up end has the electric core to place board (6), one side of bottom sprag frame (1) is provided with ammeter mounting panel (11).

3. The lithium battery side voltage side resistance test tool according to claim 2, characterized in that: the upper end face of direction slide (12) is provided with the direction spout, the bottom of slider (3) extends to the inboard of direction spout, the bottom of electricity jar supporting seat (4) is fixed through the screw connection with slider (3), drive screw (13) and one of them slider (3) pass through threaded connection.

4. The lithium battery side voltage side resistance test tool according to claim 1, characterized in that: the bottom end of the adjusting rod (9) is connected with the upper end of the supporting plate (8) through threads, and the buffering anti-collision block (10) is fixedly bonded with the adjusting rod (9).

5. The lithium battery side voltage side resistance test tool according to claim 1, characterized in that: the needle base (16) is in threaded connection with the bottom end of the connecting column (15), a positioning hole is formed in the bottom end of the needle base (16), and the probe (17) is in threaded connection with the inner side of the positioning hole.

6. The lithium battery side voltage side resistance test tool according to claim 2, characterized in that: the inboard of ammeter mounting panel (11) is provided with the universal meter, universal meter and probe (17) electric connection.

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