CN211603488U

CN211603488U - Lithium battery precision test equipment

Info

Publication number: CN211603488U
Application number: CN201922468973.9U
Authority: CN
Inventors: 郑海明
Original assignee: Shenzhen Qianhai Paiwo Technology Co ltd
Current assignee: Shenzhen Qianhai Paiwo Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-29
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a lithium battery precision testing device, which comprises a supporting plate, a battery placing groove arranged on the top surface of the supporting plate at intervals, a left vertical plate vertically arranged on the left side of the top end of the supporting plate, a right vertical plate vertically arranged on the right side of the top end of the supporting plate, and a transverse plate transversely arranged on the top ends of the left vertical plate and the right vertical plate; thickness sensors are distributed at the bottom of the transverse plate at intervals; the top surface of backup pad is located and is connected with battery and increases steady mechanism between left riser and the right riser, and this battery increases steady mechanism is used for sticising the lithium cell in order to carry out the battery test. The utility model discloses can firmly press the cylinder lithium cell and hold in the vallecular cavity of battery resettlement groove, whole steadiness when having increased the cylinder lithium cell and settling effectively prevents to take place the crooked condition of rocking of cylinder lithium cell when battery precision test, improves the measuring accuracy of battery.

Description

Lithium battery precision test equipment

Technical Field

The utility model relates to a lithium cell test equipment technical field specifically is a lithium cell battery precision test equipment.

Background

The lithium battery is a battery using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as an anode material; when the lithium battery is produced, the internal resistance and the thickness of the lithium battery need to be tested by using precision testing equipment; with the continuous development of science and technology, different types of lithium battery precision testing equipment appear in the market.

However, when the existing lithium battery precision testing equipment and the cylindrical lithium battery are arranged on the testing equipment, the cylindrical lithium battery is prone to generating the skew shaking condition in the testing process, and the precision of battery testing is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery precision test equipment to the cylinder lithium cell that proposes in solving above-mentioned background art takes place crooked rocking easily in the test procedure, influences battery test accuracy's problem.

In order to achieve the above object, the utility model provides a following technical scheme:

a lithium battery precision testing device comprises a supporting plate, battery placing grooves arranged on the top surface of the supporting plate at intervals, a left vertical plate vertically arranged on the left side of the top end of the supporting plate, a right vertical plate vertically arranged on the right side of the top end of the supporting plate, and a transverse plate transversely arranged at the top ends of the left vertical plate and the right vertical plate; thickness sensors are distributed at the bottom of the transverse plate at intervals; the top surface of backup pad is located and is connected with battery and increases steady mechanism between left riser and the right riser, and this battery increases steady mechanism is used for sticising the lithium cell in order to carry out the battery test.

Preferably, the battery stability augmentation mechanism comprises a rear baffle vertically connected to the back of the top end of the support plate, a first connecting frame connected to the left side of the front face of the rear baffle, a second connecting frame connected to the right side of the front face of the rear baffle, and a pressing plate movably connected to the first connecting frame and the second connecting frame; the pressure plate is horizontally flush with the rear baffle.

Preferably, the back of the plate body of the pressing plate is connected with voltage and internal resistance probes at intervals, and the bottom end of the plate body of the pressing plate is connected with pushing blocks at intervals; the front view appearance of the push block is in a semicircular structure, and the bottom end of the push block extends into a groove cavity of the battery accommodating groove; and two sides of the front surface of the pressing plate are provided with through guide holes.

Preferably, the first connecting frame and the second connecting frame respectively comprise an upright block which is positioned on the front side of the pressing plate and vertically fixedly connected to the top end of the supporting plate, a stud which sequentially penetrates through the upright block and the guide hole and is fixedly connected to the left side of the front side of the rear baffle, and a sleeve which is positioned between the pressing plate and the upright block and is in threaded sleeve connection with the outer surface of the stud, and a through screw hole is formed in the top end of the sleeve body.

Preferably, a first slot is formed in the left side of the top end of the supporting plate, the bottom end of the left vertical plate extends into a slot cavity of the first slot, and the bottom end of a plate body of the left vertical plate is slidably connected with the slot bottom of the first slot; a second slot is formed in the right side of the top end of the supporting plate, the bottom end of the right vertical plate extends into a slot cavity of the second slot, and the bottom end of a plate body of the right vertical plate is connected with the slot bottom of the second slot in a sliding mode.

Preferably, the middle parts of the top ends of the left vertical plate and the right vertical plate are provided with insertion holes, the two sides of the bottom end of the transverse plate are fixedly connected with insertion columns, and the insertion columns are vertically inserted into the hole cavities of the insertion holes.

Preferably, the left side and the right side of the supporting plate are both axially provided with through holes, the through hole cavity on the left side of the supporting plate is communicated with the first slot groove cavity, and the through hole cavity on the right side of the supporting plate is communicated with the second slot groove cavity; the bottom of the left side wall of the left vertical plate and the bottom of the right side wall of the right vertical plate are both transversely connected with handles, and the right ends of the handles extend out of the through holes.

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

1. the utility model discloses can firmly press the cylinder lithium cell and hold in the vallecular cavity of battery resettlement groove, whole steadiness when having increased the cylinder lithium cell and settling has effectively prevented to take place the crooked condition of rocking of cylinder lithium cell when the test of battery precision, has improved the measuring accuracy of battery, is favorable to this precision test equipment's using widely.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a top view of the present invention;

fig. 3 is a top view of the supporting plate of the present invention;

FIG. 4 is a perspective view of the support plate of the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of FIG. 4 according to the present invention;

FIG. 6 is a perspective view of the pressing plate of the present invention;

fig. 7 is a perspective view of the sleeve according to the present invention.

In the figure: the device comprises a support plate 1, a first slot 11, a second slot 12, a battery placing slot 13, a through hole 14, a left vertical plate 2, a jack 21, an inserting column 22, a handle 23, a right vertical plate 3, a transverse plate 4, a thickness sensor 41, a battery stabilizing mechanism 5, a rear baffle 51, a pressing plate 52, a voltage internal resistance probe 521, a guide hole 522, a push block 523, a first connecting frame 53, a vertical block 531, a stud 532, a sleeve 533, a screw hole 5331 and a second connecting frame 54.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a lithium battery precision testing device comprises a supporting plate 1, battery placing grooves 13 arranged on the top surface of the supporting plate 1 at intervals, a left vertical plate 2 vertically arranged on the left side of the top end of the supporting plate 1, a right vertical plate 3 vertically arranged on the right side of the top end of the supporting plate 1, and a transverse plate 4 transversely arranged on the top ends of the left vertical plate 2 and the right vertical plate 3; thickness sensors 41 are distributed at the bottom of the transverse plate 4 at intervals; a battery stability increasing mechanism 5 is connected between the left vertical plate 2 and the right vertical plate 3 on the top surface of the supporting plate 1, and the battery stability increasing mechanism 5 is used for tightly pressing the lithium battery to perform battery test; the thickness sensor 41 is a sensor for measuring the thickness of the material and the surface coating thereof, and is commonly used in the industrial production for error measurement of material thickness inspection and thickness control systems, and the thickness control system does not usually require measurement of the absolute size of the thickness, but only requires measurement of the variation value of the thickness or the difference value with a certain standard size so as to control the processing process; the thickness sensor 41 is a CMOS type sensor.

Referring to fig. 1, 2, 3 and 7, the battery stabilizing mechanism 5 includes a rear baffle 51 vertically connected to the back of the top end of the supporting plate 1, a first connecting frame 53 connected to the left side of the front surface of the rear baffle 51, a second connecting frame 54 connected to the right side of the front surface of the rear baffle 51, and a pressing plate 52 movably connected to the first connecting frame 53 and the second connecting frame 54; the platen 52 is laterally flush with the backplate 51; the back of the plate body of the pressure plate 52 is connected with voltage internal resistance probes 521 at intervals; wherein, the voltage internal resistance probe 521 adopts a DG-R203 type probe; the bottom end of the plate body of the pressing plate 52 is connected with pushing blocks 523 at intervals; the push block 523 is of a semicircular structure in a front view, and the bottom end of the push block 523 extends into a groove cavity of the battery accommodating groove 13; both sides of the front surface of the pressing plate 52 are provided with through guide holes 522; the first connecting frame 53 and the second connecting frame 54 both include a standing block 531 which is located on the front surface of the pressing plate 52 and is vertically fixedly connected to the top end of the supporting plate 1, studs 532 which sequentially penetrate through the standing block 531 and the guide holes 522 and are fixedly connected to the left side of the front surface of the rear baffle plate 51, and sleeves 533 which are located between the pressing plate 52 and the standing block 531 and are in threaded sleeve connection with the outer surfaces of the studs 532, and the top ends of the cylinder bodies of the sleeves 533 are provided with through screw holes 5331.

Referring to fig. 1, 4, 5, 6 and 7, a first slot 11 is formed in the left side of the top end of the supporting plate 1, the bottom end of the left vertical plate 2 extends into a slot cavity of the first slot 11, and the bottom end of the plate body of the left vertical plate 2 is slidably connected to the slot bottom of the first slot 11; a second slot 12 is formed in the right side of the top end of the supporting plate 1, the bottom end of the right vertical plate 3 extends into a slot cavity of the second slot 12, and the bottom end of the plate body of the right vertical plate 3 is in sliding connection with the slot bottom of the second slot 12; the middle parts of the top ends of the left vertical plate 2 and the right vertical plate 3 are both provided with an insertion hole 21, the two sides of the bottom end of the transverse plate 4 are both fixedly connected with insertion columns 22, and the insertion columns 22 are vertically inserted into the hole cavities of the insertion holes 21; the left side and the right side of the supporting plate 1 are both axially provided with through holes 14, the through hole 14 hole cavity at the left side of the supporting plate 1 is communicated with the groove cavity of the first slot 11, and the through hole 14 hole cavity at the right side of the supporting plate 1 is communicated with the groove cavity of the second slot 12; the bottom of the left side wall of the left vertical plate 2 and the bottom of the right side wall of the right vertical plate 3 are both transversely connected with a handle 23, and the right end of the handle 23 extends out of the through hole 14.

The working principle is as follows: during the use, at first install the cylinder lithium cell in battery arrangement groove 13, then clockwise rotation sleeve 533, sleeve 533 under the produced spiral driving force effect of double-screw bolt 532 and screw 5331 cooperation, continuously push clamp plate 52 to backplate 51 openly, it is positive to be close to backplate 51 when the clamp plate 52 back, clamp plate 52 can push the cylinder lithium cell to backplate 51, so that the cylinder lithium cell firmly settles in the cell cavity of battery arrangement groove 13, let the cylinder lithium cell steadily set up between backplate 51 and clamp plate 52, rethread thickness sensor 41 and voltage internal resistance probe 521 carry out the precision test to the cylinder lithium cell can.

The utility model discloses a battery increases steady mechanism 5 can firmly press the cylinder lithium cell and hold the cell cavity at battery mounting groove 13, has increased the holistic steadiness of cylinder lithium cell, effectively prevents to take place the crooked condition of rocking of cylinder lithium cell when the test of battery precision, has improved the measuring accuracy of battery, is favorable to this precision test equipment's using widely.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lithium battery precision testing device comprises a supporting plate (1), battery placing grooves (13) arranged on the top surface of the supporting plate (1) at intervals, a left vertical plate (2) vertically arranged on the left side of the top end of the supporting plate (1), a right vertical plate (3) vertically arranged on the right side of the top end of the supporting plate (1), and a transverse plate (4) transversely arranged at the top ends of the left vertical plate (2) and the right vertical plate (3); the method is characterized in that: thickness sensors (41) are distributed at the bottom of the transverse plate (4) at intervals; the top surface of backup pad (1) is located and is connected with battery between left riser (2) and right riser (3) and increase steady mechanism (5), and this battery increases steady mechanism (5) and is used for sticising the lithium cell in order to carry out battery test.

2. The lithium battery cell accuracy testing apparatus of claim 1, wherein: the battery stability augmentation mechanism (5) comprises a rear baffle (51) vertically connected to the back of the top end of the support plate (1), a first connecting frame (53) connected to the left side of the front face of the rear baffle (51), a second connecting frame (54) connected to the right side of the front face of the rear baffle (51), and a pressing plate (52) movably connected to the first connecting frame (53) and the second connecting frame (54); the pressure plate (52) is transversely flush with the rear baffle (51).

3. The lithium battery cell accuracy testing apparatus of claim 2, wherein: the back of the plate body of the pressing plate (52) is connected with voltage internal resistance probes (521) at intervals, and the bottom end of the plate body of the pressing plate (52) is connected with push blocks (523) at intervals; the main view appearance of the push block (523) is in a semicircular structure, and the bottom end of the push block (523) extends into a groove cavity of the battery accommodating groove (13); and both sides of the front surface of the pressing plate (52) are provided with through guide holes (522).

4. The lithium battery cell accuracy testing apparatus of claim 2, wherein: the first connecting frame (53) and the second connecting frame (54) comprise upright blocks (531) which are positioned on the front face of the pressing plate (52) and vertically fixedly connected to the top end of the supporting plate (1), studs (532) which sequentially penetrate through the upright blocks (531) and the guide holes (522) and are fixedly connected to the left side of the front face of the rear baffle plate (51), and sleeves (533) which are positioned between the pressing plate (52) and the upright blocks (531) and are sleeved on the outer surfaces of the studs (532) in a threaded manner, and the top ends of the cylinder bodies of the sleeves (533) are provided with through screw holes (5331).

5. The lithium battery cell accuracy testing apparatus of claim 1, wherein: a first slot (11) is formed in the left side of the top end of the supporting plate (1), the bottom end of the left vertical plate (2) extends into a slot cavity of the first slot (11), and the bottom end of a plate body of the left vertical plate (2) is in sliding connection with the slot bottom of the first slot (11); a second slot (12) is formed in the right side of the top end of the supporting plate (1), the bottom end of the right vertical plate (3) extends into a slot cavity of the second slot (12), and the bottom end of the plate body of the right vertical plate (3) is connected with the slot bottom of the second slot (12) in a sliding mode.

6. The lithium battery cell accuracy testing apparatus of claim 1, wherein: jack (21) have all been seted up in the top middle part of left side riser (2) and right riser (3), the bottom both sides of diaphragm (4) all have linked firmly insert post (22), should insert post (22) and insert in the vestibule of jack (21) perpendicularly.

7. The lithium battery cell accuracy testing apparatus of claim 1, wherein: the left side and the right side of the supporting plate (1) are both axially provided with through holes (14), the hole cavity of the through hole (14) on the left side of the supporting plate (1) is communicated with the groove cavity of the first slot (11), and the hole cavity of the through hole (14) on the right side of the supporting plate (1) is communicated with the groove cavity of the second slot (12); the bottom of the left side wall of the left vertical plate (2) and the bottom of the right side wall of the right vertical plate (3) are both transversely connected with a handle (23), and the right end of the handle (23) extends out of the through hole (14).