CN217983447U

CN217983447U - Lithium battery with different charging and discharging ports

Info

Publication number: CN217983447U
Application number: CN202221331222.8U
Authority: CN
Inventors: 陈文彬; 刘哲铄
Original assignee: Dongguan Xintu Power Technology Co ltd
Current assignee: Dongguan Xintu Power Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-12-06
Anticipated expiration: 2032-05-31

Abstract

The utility model belongs to the technical field of the lithium cell, especially, be a lithium cell of different mouthful of charge-discharge, including fixed case, the inside of fixed case is provided with the lithium cell, the top of lithium cell is provided with the circuit board, the both sides at circuit board top fixed mounting respectively has first current relay and second current relay, one side on fixed case surface fixed mounting has output negative pole, the negative pole that charges, battery sampling line interface, output positive pole and the positive pole that charges in proper order. This device is when using, when the lithium cell is in charged state, can let first current relay and second current relay be in the off-state to give output positive pole and output negative pole outage, reach charge protection's purpose, and when the lithium cell discharged, first current relay and second current relay can make the positive pole that charges and the negative pole that charges uncharged, adopt two return circuits to charge and discharge control, have promoted the security of lithium cell in the use.

Description

Lithium battery with different charging and discharging ports

Technical Field

The utility model belongs to the technical field of the lithium cell, concretely relates to different mouthful lithium cell of charge-discharge.

Background

Lithium batteries are batteries which use lithium metal or lithium alloy as positive and negative electrode materials and use non-aqueous electrolyte solution, and have very high requirements on the environment due to the very active chemical characteristics of lithium metal, so that the lithium batteries become the mainstream along with the development of scientific technology, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries, lithium ion batteries do not contain lithium in the metallic state and are rechargeable.

At present, most of traditional lithium batteries are charged and discharged at the same port, and in the using process, due to the reasons of all aspects, the problem of circuit short circuit is possibly caused, so that the lithium batteries are damaged, and certain potential safety hazards exist when the lithium batteries are used.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a lithium cell of different mouths of charge-discharge, there is the potential safety hazard problem in the lithium cell that has solved with mouthful charge-discharge.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a charge-discharge lithium battery with different mouths, includes fixed case, the inside of fixed case is provided with the lithium cell, the top of lithium cell is provided with the circuit board, the both sides at circuit board top fixed mounting respectively has first current relay and second current relay, one side on fixed case surface fixed mounting has output negative pole, the negative pole that charges, battery sampling line interface, output positive pole and the positive pole that charges in proper order, one side on first current relay surface is provided with third wire and fourth wire, and the one end of third wire and the positive fixed connection that charges, and the one end and the output positive fixed connection of fourth wire, one side on second current relay surface is provided with first wire and second wire, and the one end and the output negative pole fixed connection of first wire, and the one end and the negative pole fixed connection that charges of second wire, the both sides of fixed incasement wall are provided with fixing device.

Preferably, fixing device includes the threaded fixing pole, the equal fixed mounting in both sides on fixed case surface has the fixed disk, and threaded fixing pole and fixed disk threaded connection, the one end fixed mounting of threaded fixing pole has the movable block, the other end fixed mounting of threaded fixing pole has the movable disc.

Preferably, the fixed disc, the movable block, the movable disc and the threaded fixing rod are all provided with four groups, and the movable discs are arranged on two sides of the surface of the lithium battery.

Preferably, the bottoms of the two sides of the fixed box are fixedly provided with connecting blocks, and a fixing hole is formed in the middle of each connecting block.

Preferably, a cover is arranged above the fixed box, a first connecting plate is fixedly mounted at the bottom of the cover, a second connecting plate is fixedly mounted at the top of the fixed box, and connecting holes are formed in the surfaces of the first connecting plate and the second connecting plate.

Preferably, fixed handles are fixedly mounted on two sides of the top of the cover, and a protective sleeve is arranged on the surface of each fixed handle.

Preferably, the both sides fixed mounting at lithium cell top has the terminal, the top fixed mounting of terminal has the U template, the wiring hole has been seted up on the surface of U template.

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

this device is when using, when the lithium cell is in the charged state, can let first current relay and second current relay be in the off-state to give output positive pole and output negative pole outage, reach the purpose of charge protection, and when the lithium cell discharged, first current relay and second current relay can make the positive pole that charges and the negative pole that charges uncharged, adopt two return circuits to charge and discharge control, promoted the security of lithium cell in the use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a third perspective structural view of the present invention;

FIG. 4 is an enlarged schematic view of the fixing box of the present invention;

fig. 5 is an internal cross-sectional view of the fixing box of the present invention;

fig. 6 is an enlarged schematic view of the U-shaped plate of the present invention.

In the figure: 1. a fixed box; 2. a first connecting plate; 3. a cover; 4. fixing a handle; 5. a protective sleeve; 6. connecting holes; 7. a second connecting plate; 8. fixing the disc; 9. a movable block; 10. connecting blocks; 11. a fixing hole; 12. outputting a negative electrode; 13. charging the negative electrode; 14. a battery sampling line interface; 15. outputting a positive electrode; 16. charging the positive electrode; 17. a circuit board; 18. a first current relay; 19. a second current relay; 20. a first conductive line; 21. a second conductive line; 22. a third conductive line; 23. a fourth conductive line; 24. a lithium battery; 25. a U-shaped plate; 26. a movable tray; 27. a threaded fixing rod; 28. a wiring hole; 29. and (4) binding posts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-6, the present invention provides the following technical solutions: the utility model provides a lithium cell of different mouth of charge-discharge, including fixed case 1, the inside of fixed case 1 is provided with lithium cell 24, lithium cell 24's top is provided with circuit board 17, the both sides at circuit board 17 top are fixed mounting respectively has first current relay 18 and second current relay 19, fixed case 1 one side on surface fixed mounting has output negative pole 12 in proper order, negative pole 13 charges, battery sample line interface 14, output positive pole 15 and the anodal 16 that charges, one side on first current relay 18 surface is provided with third wire 22 and fourth wire 23, and the one end of third wire 22 and the anodal 16 fixed connection that charges, and the one end and the anodal 15 fixed connection of output of fourth wire 23, one side on second current relay 19 surface is provided with first wire 20 and second wire 21, and the one end and the output negative pole 12 fixed connection of first wire 20, and the one end and the negative pole 13 fixed connection that charges of second wire 21, the both sides of fixed case 1 inner wall are provided with fixing device.

When the device is used, when the lithium battery 24 is in a charging state, the first current relay 18 and the second current relay 19 can be in an off state, thereby de-energizing the output positive electrode 15 and the output negative electrode 12 for the purpose of charge protection, and when the lithium battery 24 is discharged, the first current relay 18 and the second current relay 19 can make the charging anode 16 and the charging cathode 13 not be charged, and two loops are adopted for charging and discharging control, so that the safety of the lithium battery in the use process is improved, when the lithium battery 24 is installed, the screw fixing rod 27 can be rotated by the movable block 9, and since the screw fixing rod 27 is screw-coupled with the fixed disk 8, the movable disk 26 is caused to move forward, thereby utilizing the movable disk 26 against both sides of the lithium battery 24, effecting a fixation of the lithium battery 24, and the cover 3 may then be placed on top of the fixed box 1, so that the first and

second connection plates

2 and 7 are in abutment with each other, and the first connecting plate 2 and the second connecting plate 7 are connected by means of fixing bolts and connecting holes 6, thereby protecting the lithium battery 24 inside the fixing case 1, and the arrangement of the connection block 10 and the fixing hole 11, the installation of the device on the surface of the equipment can be facilitated, the fixing box 1 can be fixedly installed on the equipment by using the fixing holes 11 and the connecting blocks 10, and can ensure the firmness of installation, and the arrangement of the binding post 29, the U-shaped plate 25 and the wiring hole 28 can facilitate the connection of the lithium battery 24 with the circuit board 17 through an electric wire, the fixed handle 4 is convenient for the user to carry the device, and because the surface of the fixed handle 4 is provided with the protective sleeve 5, therefore, the fixed handle 4 can be held more flexibly, and all the electric equipment in the device is powered by the built-in storage battery.

In one aspect of the present embodiment, after the lithium battery 24 is put into the fixing box 1, the screw fixing lever 27 may be rotated through the movable block 9, since the screw fixing lever 27 is screw-connected with the fixed tray 8, the movable tray 26 may be moved forward, thereby supporting both sides of the lithium battery 24 with the movable tray 26, fixing the lithium battery 24 is achieved, and since the fixed tray 8, the movable block 9, the movable tray 26, and the screw fixing lever 27 are all provided with four groups, stability of installation of the lithium battery 24 can be ensured.

In one aspect of the present embodiment, and then the cover 3 may be covered on the top of the fixing box 1, such that the first connecting plate 2 and the second connecting plate 7 are attached to each other, and the first connecting plate 2 and the second connecting plate 7 are connected by the fixing bolt and the connecting hole 6, such that the lithium battery 24 inside the fixing box 1 is protected, and the fixing handle 4 may facilitate a user to carry the device, and the fixing handle 4 may be made softer to hold due to the surface of the fixing handle 4 being provided with the protective cover 5.

In an aspect of this embodiment, and the setting of terminal 29, U template 25 and wiring hole 28, then can be so that lithium cell 24 is connected with circuit board 17 through the electric wire, increased the convenience of device, and the setting of connecting block 10 and fixed orifices 11, then can be so that this device installs on the surface of equipment, utilize fixed orifices 11 and connecting block 10 can be with fixed case 1 fixed mounting on equipment to can guarantee the fastness of installation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a different mouthful lithium cell of charge-discharge, includes fixed case (1), its characterized in that: the inside of fixed case (1) is provided with lithium cell (24), the top of lithium cell (24) is provided with circuit board (17), the both sides at circuit board (17) top fixed mounting respectively have first current relay (18) and second current relay (19), one side on fixed case (1) surface fixed mounting has output negative pole (12), negative pole (13) that charges in proper order, battery sample line interface (14), output positive pole (15) and positive pole (16) that charges, one side on first current relay (18) surface is provided with third wire (22) and fourth wire (23), and the one end of third wire (22) and the positive pole (16) fixed connection that charges, and the one end and the output positive pole (15) fixed connection of fourth wire (23), one side on second current relay (19) surface is provided with first wire (20) and second wire (21), and the one end and the output negative pole (12) fixed connection of first wire (20), and the one end and the negative pole (13) fixed connection that charges of second wire (21), the both sides of fixed case (1) are provided with fixing device.

2. The lithium battery with different charging and discharging ports as claimed in claim 1, wherein: the fixing device comprises a thread fixing rod (27), a fixed disc (8) is fixedly mounted on the two sides of the surface of the fixed box (1), the thread fixing rod (27) is in threaded connection with the fixed disc (8), a movable block (9) is fixedly mounted at one end of the thread fixing rod (27), and a movable disc (26) is fixedly mounted at the other end of the thread fixing rod (27).

3. The lithium battery with different charging and discharging ports as claimed in claim 2, wherein: the fixed disc (8), the movable block (9), the movable disc (26) and the thread fixing rod (27) are all provided with four groups, and the movable disc (26) is arranged on two sides of the surface of the lithium battery (24).

4. The lithium battery with different charging and discharging ports as claimed in claim 1, wherein: the bottom of fixed case (1) both sides all fixed mounting have connecting block (10), fixed orifices (11) have been seted up to the centre of connecting block (10).

5. The lithium battery with different charging and discharging ports as claimed in claim 1, wherein: the top of fixed case (1) is provided with lid (3), the bottom fixed mounting of lid (3) has first connecting plate (2), the top fixed mounting of fixed case (1) has second connecting plate (7), connecting hole (6) have all been seted up on the surface of first connecting plate (2) and second connecting plate (7).

6. The lithium battery with different charging and discharging ports as claimed in claim 5, wherein: fixed handle (4) are fixedly installed on the two sides of the top of the cover (3), and a protective sleeve (5) is arranged on the surface of the fixed handle (4).

7. The lithium battery with different charging and discharging ports as claimed in claim 1, wherein: both sides fixed mounting at lithium cell (24) top has terminal (29), the top fixed mounting of terminal (29) has U template (25), wiring hole (28) have been seted up on the surface of U template (25).