CN211480949U

CN211480949U - Charging device for cylindrical lithium ion battery

Info

Publication number: CN211480949U
Application number: CN201922130649.6U
Authority: CN
Inventors: 邓敏; 曹保亮; 陈洲宇
Original assignee: Jiangxi Canhui New Energy Technology Co ltd
Current assignee: Jiangxi Canhui New Energy Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-09-11
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a cylindrical lithium ion battery charging device, including charger body, a plurality of battery jars and plug, a plurality of battery jars set up in the front of charger body, and adopt the baffle to separate between the battery jar, and each one end of battery jar is equipped with the positive pole contact, and the other end is equipped with the negative pole contact, positive pole contact and negative pole contact are connected with the plug through the circuit inside the charger body respectively, the one end that the baffle is close to the positive pole contact is fixed on the charger body, leave the space of installation negative plate between the other end of baffle and the inside wall of charger body, the negative pole contact is installed on the negative plate that insulating material made, the negative pole contact on the negative plate is connected with the metal block on the side wall of charger body bottom through the spring; replace traditional spring and battery negative pole end contact through negative plate, spring and negative pole contact isotructure, can effectively avoid the battery negative pole by the fish tail.

Description

Charging device for cylindrical lithium ion battery

Technical Field

The utility model relates to a lithium battery charging device field, in particular to cylindrical lithium ion battery's charging device.

Background

The lithium battery is a battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, has high storage energy density which reaches 460 & lt 152 & gt Wh/kg and is about 6-7 times that of a lead-acid battery, is green and environment-friendly, and does not contain or generate any toxic and harmful heavy metal elements and substances such as lead, mercury, cadmium and the like no matter produced, used and scrapped; in the use, the lithium cell needs frequent charge and discharge, in prior art, when charging for the lithium cell, charging device and lithium cell negative pole contact generally adopt the spring, and the spring produces a pretightning force for the lithium cell negative pole, when getting put the lithium cell, the easy fish tail lithium cell's of spring tip negative pole end influences the outward appearance of lithium cell, probably causes contact failure even, so it is necessary to provide a solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cylindrical lithium ion battery's charging device, its dismouting lithium cell is convenient.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a cylindrical lithium ion battery's charging device, includes charger body, a plurality of battery jars and plug, a plurality of battery jars set up in charger body's front, and adopt the baffle to separate between the battery jar, the plug sets up the reverse side at charger body, every the one end of battery jar is equipped with positive contact, and the other end is equipped with the negative pole contact, positive contact and negative pole contact lead to the inside circuit of charger body and plug connection, characterized by respectively: the charger is characterized in that one end, close to the positive contact, of the partition plate is fixed on the charger body, a space for installing a negative plate is reserved between the other end of the partition plate and the inner side wall of the charger body, the negative contact is installed on the negative plate made of insulating materials, and the negative contact on the negative plate is connected with a metal block on the side wall of the bottom of the charger body through a spring.

By adopting the arrangement, the situation that the battery cathode end is scratched due to the fact that a spring of a traditional charging device is directly contacted with the battery cathode end is avoided.

Further, the negative plate is symmetrically fixed with one ends of two pull rods, the other ends of the pull rods penetrate through a through hole reserved in the side wall of the bottom of the charger body and are connected with a connecting plate, and a hand-pulling protrusion is arranged on the outer side of the connecting plate.

By adopting the arrangement, the pull rod and the connecting plate can play a limiting role on the negative plate, and the battery is placed in the plurality of battery slots only by using part of the battery slots, so that the negative plate cannot incline, the negative plate contact is poor in contact with the battery, and the battery can be conveniently installed or taken down due to the hand pull protrusion.

Further, the front of charger body is equipped with apron and draw-in groove, the one end of apron is articulated with charger body, the other end of apron is equipped with bellied buckle, the buckle can set up with the cooperation of draw-in groove joint.

Adopt apron, draw-in groove and buckle structure, can carry out a fixedly to installing the battery in battery jar inside, avoid the battery to slip in the battery jar under the effect of elasticity.

Furthermore, the cover plate is made of a transparent PVC plastic plate, so that the battery arranged in the battery jar can be observed, and when the battery expands in the charging process and other accidents occur, the battery can be timely treated.

Furthermore, a plurality of indicator lamps are arranged on the front surface of the charger body close to the positive contact piece, and each battery jar corresponds to one indicator lamp; wherein the pilot lamp is at the battery charging in-process, and the lamp through different colours reacts the inside electric quantity of battery, avoids appearing overcharging or the not enough phenomenon of charging, causes battery life to descend.

Further, a change-over switch is arranged on the front surface of the charger body; because different models of lithium batteries may need different charging voltages or powers, the lithium batteries of different models can be charged by switching the change-over switch through the connection of the change-over switch and different circuits inside the charger body.

Further, a bottom heat dissipation groove is formed in the bottom of the battery jar; the side wall of the battery jar is provided with a side heat dissipation groove; the heat dissipation grooves are formed in the bottom and the side wall of the battery jar, so that the heat dissipation of the battery in the charging process can be accelerated, and the battery is prevented from being overheated.

To sum up, the utility model discloses following beneficial effect has: 1. the traditional spring is replaced by the structure of a negative plate, a spring, a negative contact piece and the like to be contacted with the negative end of the battery, so that the negative electrode of the battery can be effectively prevented from being scratched; 2. the structure of the pull rod, the connecting plate, the hand-pulling bulge and the like is adopted, so that the battery can be conveniently installed in the battery jar or taken down from the battery jar; 3. adopt change over switch and with the inside a plurality of circuit connection of charger body, can select output voltage and power through change over switch, realize charging the lithium cell of different models.

Drawings

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

fig. 2 is a schematic structural view of the side of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2;

fig. 4 is a schematic structural diagram of the bottom of the present invention.

In the figure, 1, a charger body; 2. a battery case; 3. a positive electrode contact piece; 4. a negative plate; 5. a spring; 6. a negative contact piece; 7. a pull rod; 8. a connecting plate; 9. pulling the bulge by hand; 10. a partition plate; 11. 12, a bottom heat dissipation groove; 13. a transfer switch; 14. an indicator light; 15. a cover plate; 16. a side heat sink; 17. buckling; 18. and (4) a plug.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, 2, 3 and 4, a charging device for a cylindrical lithium ion battery comprises a charger body 1, battery slots 2, positive contacts 3, a negative plate 4, a spring 5, negative contacts 6, a pull rod 7, a connecting plate 8, a hand-pulling protrusion 9, a partition plate 10, a bottom heat sink 11, a clamping slot 12, a change-over switch 13, an indicator light 14, a cover plate 15, a side heat sink 16, a buckle 17 and a plug 18, wherein the front of the charger body 1 is provided with a plurality of battery slots 2, the battery slots 2 are separated by the partition plate 10, the positive contacts 3 are fixed on the side wall of one end of the battery slots 2, the negative contacts 6 are arranged inside the other end of the battery slots 2, the negative contacts 6 are mounted on the negative plate 4 made of insulating material, the negative contacts 6 are fixed with one end of the spring 5, the other end of the spring 5 is connected with a metal block on the side wall of the bottom of the battery slots 2, wherein the metal block and the positive contact piece 3 are respectively connected with a plug 18 through a circuit inside the charger body 1, as shown in fig. 4, the plug 18 is installed on the back side of the charger body 1; as shown in fig. 1, the negative plate 4 is further fixedly connected with two pull rods 7, the pull rods 7 penetrate through holes reserved at the bottom of the battery jar 2 and are fixedly connected with a connecting plate 8, and a hand-pulling protrusion 9 is arranged on the outer side of the connecting plate 8; as shown in fig. 1 and 2, the bottom and the side walls of the battery container 2 are respectively provided with a bottom heat sink 11 and a side heat sink 16, which can accelerate the heat dissipation of the lithium battery during the charging process.

As shown in fig. 1, fig. 2 and fig. 3, a cover plate 15 is disposed above the front battery jar 2 of the charger body 1, one end of the cover plate 15 is hinged to the charger body 1 through a hinge, a raised buckle 17 is disposed at the other end of the cover plate 15, the buckle 17 can be matched and clamped with the clamping groove 12 disposed on the battery jar 2, wherein the cover plate 15 is preferably made of a transparent PVC plastic plate.

As shown in fig. 1, the front surface of the charger body 1 is further provided with a transfer switch 13 and a plurality of indicator lamps 14, the transfer switch 13 is connected with a plurality of circuits inside the charger body 1, and the transfer switch 13 is switched to be connected with different circuits, so that different voltages and powers can be output between the positive contact piece 3 and the negative contact piece 6, and lithium batteries of different models can be charged; the indicator lamps 14 are installed on the charger body 1 at positions close to the positive contact piece 3, each indicator lamp 14 corresponds to one battery jar 2, and the indicator lamps 14 reflect the electric quantity of the battery in the battery jars 2 by emitting different colors of lamps.

The battery installation process comprises the following steps: the cover plate 15 is opened, the battery is pressed into the battery jar 2, then the buckle 17 on the cover plate 15 is matched and clamped with the clamping groove 12, the change-over switch 13 is switched to a corresponding position according to the model of the battery, and then the battery is charged.

And (3) taking out the battery: only need open apron 15, then one hand holds hand-pulling arch 9, and the other hand holds the one end of charger body 1, then the handle pulls arch 9, and negative plate 4 compression spring 5 can pour out the inside battery of battery jar 2.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a cylindrical lithium ion battery's charging device, includes charger body (1), a plurality of battery jar (2) and plug (18), a plurality of battery jar (2) set up in the front of charger body (1), and adopt baffle (10) to separate between battery jar (2), plug (18) set up the reverse side at charger body (1), every the one end of battery jar (2) is equipped with anodal contact (3), and the other end is equipped with negative pole contact (6), anodal contact (3) and negative pole contact (6) lead to the inside circuit of charger body (1) respectively and are connected characterized by with plug (18): the charger is characterized in that one end, close to the positive contact piece (3), of the partition plate (10) is fixed to the charger body (1), a space for installing the negative plate (4) is reserved between the other end of the partition plate (10) and the inner side wall of the charger body (1), the negative contact piece (6) is installed on the negative plate (4) made of insulating materials, and the negative contact piece (6) on the negative plate (4) is connected with a metal block on the side wall of the bottom of the charger body (1) through a spring (5).

2. The charging device for the cylindrical lithium ion battery according to claim 1, wherein: the one end of two pull rods (7) is fixed to the symmetry on negative plate (4), the through-hole of reserving on charger body (1) bottom lateral wall is passed to the other end of pull rod (7) and is connected with connecting plate (8), the outside of connecting plate (8) is equipped with hand power arch (9).

3. The charging device for the cylindrical lithium ion battery according to claim 1, wherein: the front of charger body (1) is equipped with apron (15) and draw-in groove (12), the one end of apron (15) is articulated with charger body (1), the other end of apron (15) is equipped with bellied buckle (17), buckle (17) can set up with draw-in groove (12) joint cooperation.

4. The charging device for the cylindrical lithium ion battery according to claim 3, wherein: the cover plate (15) is made of a transparent PVC plastic plate.

5. The charging device for the cylindrical lithium ion battery according to claim 1, wherein: the charger is characterized in that a plurality of indicating lamps (14) are arranged on the front surface of the charger body (1) and close to the positive contact piece (3), and each battery jar (2) corresponds to one indicating lamp (14).

6. The charging device for the cylindrical lithium ion battery according to claim 1, wherein: the front surface of the charger body (1) is also provided with a change-over switch (13).

7. The charging device for the cylindrical lithium ion battery according to claim 1, wherein: the bottom of the battery jar (2) is provided with a bottom heat dissipation groove (11); and a side heat dissipation groove (16) is formed in the side wall of the battery jar (2).