CN212675122U

CN212675122U - Lithium battery charging and discharging testing device

Info

Publication number: CN212675122U
Application number: CN202021219003.1U
Authority: CN
Inventors: 戴祝胜; 陈书旭
Original assignee: Dongshan Shendun New Energy Technology Co ltd
Current assignee: Dongshan Shendun New Energy Technology Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-09
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a lithium battery charging and discharging testing device, which comprises a testing shell, an open slot, a battery mounting groove, an adjusting mechanism and a connecting indicator lamp, the front surface of the test shell is provided with an open slot, a battery mounting groove is arranged in the open slot, a plurality of groups of test lithium batteries can be mounted in the battery mounting seat, the fixed pressing plate is pressed down by operating the adjusting slide block, and the pressing plate electrode is contacted with the test lithium battery, so that the whole test lithium battery is connected into a detection circuit, the detection equipment is arranged in the external USB port to control the built-in battery panel to carry out charge and discharge tests on the lithium battery to be tested, meanwhile, an access resistor is arranged in the circuit, and the resistance adjusting wheel is used for adjusting the size of the access resistor, the detection while can carry out multiunit test lithium cell simultaneously, prevent the detection equipment damage problem that the too big lead to the fact of test lithium cell discharge current simultaneously.

Description

Lithium battery charging and discharging testing device

Technical Field

The utility model relates to a charge-discharge test technical field specifically is a lithium cell charge-discharge testing arrangement.

Background

The lithium ion battery is a secondary battery, it mainly relies on the lithium ion to move between positive pole and negative pole and come work, in the course of charging and discharging, the lithium ion comes and goes between two electrodes and imbeds and detaches, during charging, the lithium ion is from the positive pole and is taken off and inserted in the negative pole, the negative pole is in the rich lithium state, it is opposite during discharging, the lithium ion battery of prior art is when producing and manufacturing and recovering, need to detect the charge and discharge function of the lithium ion battery, and present charge and discharge check out test set does not have the current protection function, may be because the electric current is too big when discharging to the lithium ion battery, and the internal part of the damage check out test set, thus make the check out test set scrap, and the check out test set can only detect a set of lithium ion battery each time, detection efficiency is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell charge and discharge testing arrangement, front at the test shell sets up the open slot, set up the battery mounting groove in the open slot, can install multiunit test lithium cell in the battery mount pad, and through operation adjusting block, make the holding plate push down, and make clamp plate electrode and test lithium cell contact, thereby in inserting whole test lithium cell detection circuitry, install check out test set in the external USB mouth, control built-in panel carries out the charge and discharge test to being surveyed the lithium cell, install the access resistance in the circuit simultaneously, and use the resistance regulating wheel to adjust the resistance size of its access, prevent to be surveyed the check out test set damage problem that lithium cell discharge current too big caused, can solve the problem among the prior art.

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

the utility model provides a lithium cell charge-discharge testing arrangement, includes test shell, open slot, battery mounting groove, adjustment mechanism and connection pilot lamp, the positive center department of test shell is equipped with the open slot, install the battery mounting groove in the open slot, be equipped with adjustment mechanism on the test shell of open slot upper end, be equipped with the connection pilot lamp on the test shell of open slot downside.

The testing shell comprises a main shell, a constant-current testing connecting plate, a built-in battery plate, an access resistor, a resistance adjusting wheel, an external USB port, a motor interface, a heat dissipation motor, a heat dissipation fan blade and a heat dissipation port, wherein the constant-current testing connecting plate is installed on the inner side of the bottom end of the main shell, the lower side of the constant-current testing connecting plate is connected with the built-in battery plate through a wire, the left side of the built-in battery plate is connected with the access resistor through a wire, the resistance adjusting wheel is arranged in the access resistor, the bottom of the built-in battery plate is connected with the external USB port through a wire, the right side of the built-in battery plate is provided with the motor interface, the heat dissipation motor is installed.

Preferably, the battery mounting groove includes fixed cardboard, electrode pole, reset spring, fixed pressing plate, clamp plate electrode, bed plate, battery mount pad, test lithium cell and lower connecting rod, the inboard installation electrode pole of fixed cardboard, the outside of electrode pole is equipped with reset spring, electrode pole and reset spring's bottom is equipped with fixed pressing plate, fixed pressing plate's bottom is equipped with the clamp plate electrode, the downside of fixed cardboard is equipped with the bed plate, the upside of bed plate is equipped with the battery mount pad, installation test lithium cell in the battery mount pad, the bottom of battery mount pad is equipped with down the connecting rod.

Preferably, adjustment mechanism is including adjusting slide, adjusting block, counter bore bolt, interior panel and bolt card caulking groove, the internally mounted adjusting block of adjusting slide, adjusting block's inside center department installation counter bore bolt, adjusting slide's downside is equipped with interior panel, be equipped with bolt card caulking groove on the interior panel.

Preferably, the bottom of the lower connecting rod is nested on the constant current test connecting plate.

Preferably, the counter bore bolt penetrates through the adjusting slide block and is installed in the bolt clamping groove.

Preferably, the front surface of the built-in battery board is provided with an indicator light connecting port.

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

the utility model discloses lithium cell measurement testing arrangement, the front at the test shell sets up the open slot, set up the battery mounting groove in the open slot, can install multiunit test lithium cell in the battery mount pad, and through operation adjusting block, make the holding plate push down, and make clamp plate electrode and test lithium cell contact, thereby insert the detection circuitry with whole test lithium cell, install check out test set in the external USB mouth, control built-in panel carries out the charge-discharge test to the test lithium cell, install the insertion resistance in the circuit simultaneously, and use the resistance regulating wheel to adjust its resistance size that inserts, the utility model discloses it is complete reasonable in structure, can carry out the while of multiunit test lithium cell simultaneously and detect, prevent the too big check out test set damage problem that causes of test lithium cell discharge current simultaneously.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a schematic cross-sectional structural view of the test housing of the present invention;

FIG. 3 is a schematic structural view of a battery mounting groove of the present invention;

fig. 4 is a schematic view of a partial structure at a position a of the adjusting mechanism of the present invention;

fig. 5 is a schematic partial structure diagram of the adjusting mechanism of the present invention at B.

In the figure: 1. testing the housing; 101. a main housing; 102. a constant current test connection plate; 103. a battery panel is arranged inside; 104. connecting a resistor; 105. a resistance adjustment wheel; 106. the USB port is externally connected; 107. a motor interface; 108. a heat dissipation motor; 109. a heat dissipation fan blade; 1010. a heat dissipation port; 2. an open slot; 3. a battery mounting groove; 31. fixing the clamping plate; 32. an electrode rod; 33. a return spring; 34. fixing the pressing plate; 35. a platen electrode; 36. a base plate; 37. a battery mounting seat; 38. testing the lithium battery; 39. a lower connecting rod; 4. an adjustment mechanism; 41. adjusting the slide way; 42. adjusting the sliding block; 43. a counterbore bolt; 44. an inner panel; 45. the bolt is clamped in the groove; 5. and connecting an indicator light.

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, a lithium battery charging and discharging testing device includes a testing housing 1, an open slot 2, a battery mounting groove 3, an adjusting mechanism 4 and a connection indicator lamp 5, wherein the open slot 2 is arranged at the center of the front surface of the testing housing 1, the battery mounting groove 3 is arranged in the open slot 2, the adjusting mechanism 4 is arranged on the testing housing 1 at the upper end of the open slot 2, and the connection indicator lamp 5 is arranged on the testing housing 1 at the lower side of the open slot 2.

Referring to fig. 2, the test housing 1 includes a main housing 101, a constant current test connection board 102, a built-in battery board 103, an access resistor 104, a resistance adjustment wheel 105, an external USB port 106, a motor interface 107, a heat dissipation motor 108, a heat dissipation fan blade 109 and a heat dissipation port 1010, the constant current test connection board 102 is installed on the inner side of the bottom end of the main housing 101, the lower side of the constant current test connection board 102 is connected to the built-in battery board 103 through a wire, an indicator connection port is arranged on the front side of the built-in battery board 103, the access resistor 104 is installed on the left side of the built-in battery board 103 through a wire, the resistance adjustment wheel 105 is arranged in the access resistor 104, the bottom of the built-in battery board 103 is connected to the external USB port 106 through a wire, the motor interface 107 is arranged on the right side of the built-in battery.

Referring to fig. 3, the battery mounting groove 3 includes a fixing clip plate 31, an electrode rod 32, a return spring 33, a fixing press plate 34, a press plate electrode 35, a base plate 36, a battery mounting seat 37, a testing lithium battery 38 and a lower connecting rod 39, the electrode rod 32 is mounted on the inner side of the fixing clip plate 31, the return spring 33 is disposed on the outer side of the electrode rod 32, the fixing press plate 34 is disposed at the bottoms of the electrode rod 32 and the return spring 33, the press plate electrode 35 is disposed at the bottom of the fixing press plate 34, the base plate 36 is disposed on the lower side of the fixing clip plate 31, the battery mounting seat 37 is disposed on the upper side of the base plate 36, the testing lithium battery 38 is mounted in the battery mounting seat 37, the lower connecting rod 39 is disposed at the bottom of the battery mounting.

Referring to fig. 4-5, the adjusting mechanism 4 includes an adjusting slide 41, an adjusting slide 42, a counter bore bolt 43, an embedded plate 44 and a bolt engaging groove 45, the adjusting slide 42 is installed inside the adjusting slide 41, the counter bore bolt 43 is installed at the center inside the adjusting slide 42, the inner embedded plate 44 is disposed at the lower side of the adjusting slide 41, the bolt engaging groove 45 is disposed on the embedded plate 44, and the counter bore bolt 43 penetrates through the adjusting slide 42 and is installed in the bolt engaging groove 45.

The utility model discloses difference with prior art: the present charging and discharging test device does not have the current protection function, when discharging the lithium ion battery, the internal parts of the test device may be damaged due to the excessive current, so that the test device is scrapped, and the test device can only detect one group of lithium ion battery each time, the detection efficiency is low, the lithium battery charging and discharging test device of the utility model, the open slot 2 is arranged on the front surface of the test shell 1, the battery mounting groove 3 is arranged in the open slot 2, a plurality of groups of test lithium batteries 38 can be installed in the battery mounting seat 37, the fixed pressing plate 34 is pressed down by operating the adjusting slider 42, and the pressing plate electrode 35 is contacted with the test lithium batteries 38, so that the whole test lithium batteries 38 are connected into the detection circuit, the test device is installed in the external USB port 106, the internal battery plate 103 is controlled to perform the charging and discharging test on the test lithium batteries 38, and the connecting resistor 104 is installed in, and the resistance adjusting wheel 105 is used for adjusting the resistance connected to the testing device, so that the problem of damage to the testing device caused by overlarge discharge current of the lithium battery 38 is solved.

In summary, the following steps: the utility model discloses lithium cell charge-discharge testing arrangement, set up open slot 2 in the front of test shell 1, set up battery mounting groove 3 in open slot 2, can install multiunit test lithium cell 38 in battery mount pad 37, and through operation adjusting block 42, make holding plate 34 push down, and make clamp plate electrode 35 and test lithium cell 38 contact, thereby in inserting the detection circuitry with whole test lithium cell 38, install check out test set in external USB mouth 106, control built-in panel 103 carries out the charge-discharge test to test lithium cell 38, install access resistance 104 in the circuit simultaneously, and use resistance regulating wheel 105 to adjust its resistance size of inserting, the utility model discloses it is complete reasonable in structure, can carry out multiunit test lithium cell 38's while detection, prevent the too big check out test set damage problem that causes of test lithium cell 38 discharge current simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a lithium cell charge-discharge testing arrangement, includes test shell (1), open slot (2), battery mounting groove (3), adjustment mechanism (4) and connection pilot lamp (5), its characterized in that: an open slot (2) is formed in the center of the front face of the test shell (1), a battery mounting groove (3) is formed in the open slot (2), an adjusting mechanism (4) is arranged on the test shell (1) at the upper end of the open slot (2), and a connection indicator lamp (5) is arranged on the test shell (1) at the lower side of the open slot (2);

the testing shell (1) comprises a main shell (101), a constant current testing connection plate (102), a built-in battery board (103), an access resistor (104), a resistance adjusting wheel (105), an external USB port (106), a motor interface (107), a heat dissipation motor (108), heat dissipation fan blades (109) and a heat dissipation port (1010), wherein the constant current testing connection plate (102) is installed on the inner side of the bottom end of the main shell (101), the lower side of the constant current testing connection plate (102) is connected with the built-in battery board (103) through a lead, the access resistor (104) is installed on the left side of the built-in battery board (103) through a lead, the resistance adjusting wheel (105) is arranged in the access resistor (104), the bottom of the built-in battery board (103) is connected with the external USB port (106) through a lead, the right side of the built-in battery board (103) is provided with, the outside installation heat dissipation flabellum (109) of heat dissipation motor (108), the right downside of main casing (101) is equipped with thermovent (1010).

2. The lithium battery charging and discharging test device of claim 1, wherein: the battery mounting groove (3) comprises a fixing clamping plate (31), an electrode rod (32), a return spring (33), a fixing pressing plate (34), a pressing plate electrode (35), a base plate (36), a battery mounting seat (37), a test lithium battery (38) and a lower connecting rod (39), an electrode rod (32) is arranged on the inner side of the fixed clamping plate (31), a return spring (33) is arranged on the outer side of the electrode rod (32), the bottoms of the electrode rod (32) and the return spring (33) are provided with fixed press plates (34), a pressing plate electrode (35) is arranged at the bottom of the fixed pressing plate (34), a base plate (36) is arranged at the lower side of the fixed clamping plate (31), the upside of bed plate (36) is equipped with battery mount pad (37), installation test lithium cell (38) in battery mount pad (37), the bottom of battery mount pad (37) is equipped with down connecting rod (39).

3. The lithium battery charging and discharging test device of claim 1, wherein: adjustment mechanism (4) are including adjusting slide (41), adjusting block (42), counter bore bolt (43), embedded plate (44) and bolt card caulking groove (45), adjusting block (42) are adjusted to the internally mounted of slide (41), the inside center department installation counter bore bolt (43) of adjusting block (42), the downside of adjusting slide (41) is equipped with interior panel (44), be equipped with bolt card caulking groove (45) on interior panel (44).

4. The lithium battery charging and discharging test device according to claim 2, wherein: the bottom of the lower connecting rod (39) is nested on the constant current test connecting plate (102).

5. A lithium battery charge and discharge testing device as claimed in claim 3, characterized in that: the counter bore bolt (43) penetrates through the adjusting slide block (42) and is installed in the bolt clamping groove (45).

6. The lithium battery charging and discharging test device of claim 1, wherein: and an indicator light connecting port is arranged on the front surface of the built-in battery plate (103).