CN210926242U

CN210926242U - Heating device for electric automobile lithium cell

Info

Publication number: CN210926242U
Application number: CN201922261517.7U
Authority: CN
Inventors: 王瑶; 卢永强; 张新雨; 马玉香; 王丽萍
Original assignee: Jilin Devol Electromechanical Co ltd
Current assignee: Jilin Devol Electromechanical Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-03
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses an electric automobile is heating device for lithium cell, the power distribution box comprises a box body, the top of box articulates through the hinge has the case lid, the inside of box is provided with the baffle, the utility model discloses the beneficial effect who reaches is: the utility model relates to a heating device for electric automobile lithium cell simple structure, high durability and convenient use, place the chamber and can place the lithium cell through the lithium cell that sets up in the inside of box, electric automobile can drive the flabellum when starting and rotate, the flabellum can drive coaxial first gear when rotating and rotate, first gear drives second gear and second axis of rotation and rotates, the pivot that the second axis of rotation drove the generator generates electricity, the electric energy that the generator produced can provide the mica hot plate and start, the mica hot plate heats the inside of box, need not to consume the energy of electric automobile lithium cell, energy conservation and environmental protection, make electric automobile's duration can not receive the influence.

Description

Heating device for electric automobile lithium cell

Technical Field

The utility model relates to a heating device especially relates to a heating device for electric automobile lithium cell, belongs to electric automobile accessory technical field.

Background

The electric vehicle (BEV) is a vehicle which takes a vehicle-mounted power supply as power and drives wheels by a motor, and meets various requirements of road traffic and safety regulations. Because the influence on the environment is smaller than that of the traditional automobile, the automobile is widely popularized and used. Most of electric automobiles adopt lithium batteries as storage batteries for storing electric energy, and the lithium batteries need to be heated in winter when the weather is low. The existing heating device for the lithium battery mostly adopts the electric energy in the lithium battery to drive the heater to heat the lithium battery, so that the endurance effect of the original weak electric automobile is further deteriorated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heating device for an electric automobile lithium battery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the heating device for the lithium battery of the electric automobile comprises a box body, wherein the top of the box body is hinged with a box cover through a hinge, a partition plate is arranged in the box body and fixedly connected with the inner wall of the box body, a cavity in the box body is divided into a lithium battery placing cavity and a transmission cavity through the partition plate, a first rotating shaft is rotatably connected to the side wall of one side, close to the transmission cavity, of the box body, the first rotating shaft extends to the shaft wall at one end in the inner part of the transmission cavity and is fixedly connected with a first gear, four generators are arranged in the transmission cavity and are respectively arranged at four corners of the partition plate, close to the side wall of one side of the first gear, the four generators are fixedly connected with the partition plate through fixing frames, a second rotating shaft is fixedly connected to the rotating shaft of the generators through a coupler, and the other end of the, the second gear is connected with the meshing of first gear, the fixed cover of having connect the axle sleeve on the axle wall that first gear one end was kept away from to first axis of rotation, fixedly connected with flabellum on the lateral wall of axle sleeve, the siding wall of box comprises first inoxidizing coating, second inoxidizing coating, heat preservation and mica hot plate, one side that first inoxidizing coating is close to the second inoxidizing coating is provided with the heat preservation, the heat preservation is made by asbestos insulation material, one side that the heat preservation is close to the second inoxidizing coating is provided with the mica hot plate.

Preferably, the diameter of the first gear is larger than the diameter of the second gear.

Preferably, the generator is electrically connected with the mica heating plate.

Preferably, one end of the first rotating shaft, which is far away from the shaft sleeve, is rotatably connected with the partition plate through a first bearing.

Preferably, one end of the second rotating shaft, which is far away from the generator, is rotatably connected with the inner wall of the box body through a second bearing.

Preferably, the fixing frame and the partition plate are both made of metal stainless steel materials.

The utility model provides a pair of heating device for electric automobile lithium cell, beneficial effect lies in: the utility model relates to a heating device for electric automobile lithium cell simple structure, high durability and convenient use, place the chamber and can place the lithium cell through the lithium cell that sets up in the inside of box, electric automobile can drive the flabellum when starting and rotate, the flabellum can drive coaxial first gear when rotating and rotate, first gear drives second gear and second axis of rotation and rotates, the pivot that the second axis of rotation drove the generator generates electricity, the electric energy that the generator produced can provide the mica hot plate and start, the mica hot plate heats the inside of box, need not to consume the energy of electric automobile lithium cell, energy conservation and environmental protection, make electric automobile's duration can not receive the influence.

Drawings

Fig. 1 is a schematic structural diagram of a heating device for a lithium battery of an electric vehicle according to the present invention;

fig. 2 is a sectional view of the heating device for the lithium battery of the electric vehicle in the direction of a-a according to the present invention;

fig. 3 is a partial enlarged view of a portion B of the heating device for a lithium battery of an electric vehicle according to the present invention;

fig. 4 is a side view of a heating device for a lithium battery of an electric vehicle according to the present invention;

fig. 5 is the utility model provides a box siding's schematic structure among heating device for electric automobile lithium cell.

In the figure: the box body 1, the hinge 2, the box cover 3, the partition plate 4, the lithium battery placing cavity 5, the transmission cavity 6, the first rotating shaft 7, the first gear 8, the first bearing 9, the fixing frame 10, the generator 11, the second rotating shaft 12, the second gear 13, the second bearing 14, the shaft sleeve 15, the fan blade 16, the first protective layer 17, the second protective layer 18, the heat preservation layer 19 and the mica heating plate 20.

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.

Referring to fig. 1-5, a heating device for lithium batteries of electric vehicles comprises a box body 1, a box cover 3 is hinged on the top of the box body 1 through a hinge 2, a partition plate 4 is arranged inside the box body 1, the partition plate 4 is fixedly connected with the inner wall of the box body 1, a cavity inside the box body 1 is divided into a lithium battery placing cavity 5 and a transmission cavity 6 through the partition plate 4, a first rotating shaft 7 is rotatably connected on the side wall of the box body 1 close to one side of the transmission cavity 6, a first gear 8 is fixedly connected on the shaft wall of one end of the first rotating shaft 7 extending to the inside of the transmission cavity 6, four generators 11 are arranged inside the transmission cavity 6, the four generators 11 are respectively arranged at four corners of the side wall of the partition plate 4 close to the first gear 8, the four generators 11 are all fixedly connected with the partition plate 4 through a fixing frame 10, and a, the other end of the second rotating shaft 12 is fixedly connected with a second gear 13, the second gear 13 is meshed with the first gear 8 and connected with the first gear 8, a shaft sleeve 15 is fixedly sleeved on the shaft wall of the first rotating shaft 7 far away from one end of the first gear 8, fan blades 16 are fixedly connected on the outer side wall of the shaft sleeve 15, the plate wall of the box body 1 is composed of a first protective layer 17, a second protective layer 18, a heat preservation layer 19 and a mica heating plate 20, one side, close to the second protective layer 18, of the first protective layer 17 is provided with the heat preservation layer 19, the heat preservation layer 19 is made of asbestos heat preservation materials, and one side, close to the second protective layer.

The diameter of the first gear 8 is larger than that of the second gear 13, the first gear 8 can drive the second gear 13 to rotate for a plurality of circles when rotating for one circle, the generator 11 is electrically connected with the mica heating plate 20, the electric energy generated by the generator 11 can drive the mica heating plate 20 to generate heat, one end of the first rotating shaft 7 far away from the shaft sleeve 15 is rotatably connected with the partition plate 4 through the first bearing 9, the first rotating shaft 7 can be more stable when rotating, one end of the second rotating shaft 12 far away from the generator 11 is rotatably connected with the inner wall of the box body 1 through the second bearing 14, the second rotating shaft 12 can be more stable when rotating, the fixing frame 10 and the partition plate 4 are both made of metal stainless steel materials, the fixing frame 10 made of metal stainless steel materials can transmit the heat generated by the outer wall of the generator 11 to the partition plate 4, and the partition plate 4 can assist in heating the inside of, so that the heating effect is better.

The working principle is as follows: when the electric automobile is started, the fan blade 16 can be driven to rotate by wind power, the fan blade 16 can drive the first rotating shaft 7 to rotate when rotating, the first rotating shaft 7 drives the first gear 8 to rotate, the first gear 8 drives the second gear 13 in meshed connection to rotate, the second gear 13 drives the second rotating shaft 12 to rotate, the second rotating shaft 12 drives the rotating shaft of the generator 11 to rotate, the generator 11 generates electricity, the electricity generated by the generator 11 is improved for the mica heating plate 20, so that the mica heating plate 20 generates heat, the mica heating plate 20 heats the inside of the box body 1, the energy of the lithium battery of the electric automobile is not required to be consumed, the electric automobile is energy-saving and environment-friendly, the cruising ability of the electric automobile is not influenced, the heat insulation layer 19 can ensure less heat dissipation in the box body 1 when the mica heating plate 20 is heated, make heating effectual, simultaneously, generator 11 is when starting, and on heat that its outer wall produced passed through mount 10 and transmitted to baffle 4, baffle 4 can carry out auxiliary heating to the inside of box 1 for the effect of heating further improves.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The heating device for the lithium battery of the electric automobile is characterized by comprising a box body (1), wherein a box cover (3) is hinged to the top of the box body (1) through a hinge (2), a partition plate (4) is arranged inside the box body (1), the partition plate (4) is fixedly connected with the inner wall of the box body (1), a cavity inside the box body (1) is divided into a lithium battery placing cavity (5) and a transmission cavity (6) through the partition plate (4), a first rotating shaft (7) is rotatably connected onto the side wall of one side, close to the transmission cavity (6), of the box body (1), the first rotating shaft (7) extends to the shaft wall of one end inside the transmission cavity (6) and is fixedly connected with a first gear (8), four generators (11) are arranged inside the transmission cavity (6), the four generators (11) are respectively arranged at four corners, close to one side wall of the first gear (8), of the partition plate (4), and four generators (11) are fixedly connected with a partition plate (4) through a fixing frame (10), a second rotating shaft (12) is fixedly connected to a rotating shaft of the generators (11) through a coupler, a second gear (13) is fixedly connected to the other end of the second rotating shaft (12), the second gear (13) is meshed with the first gear (8), a shaft sleeve (15) is fixedly sleeved on the shaft wall of one end, far away from the first gear (8), of the first rotating shaft (7), fan blades (16) are fixedly connected to the outer side wall of the shaft sleeve (15), the plate wall of the box body (1) is composed of a first protective layer (17), a second protective layer (18), a heat-insulating layer (19) and a mica heating plate (20), one side, close to the second protective layer (18), of the first protective layer (17) is provided with the heat-insulating layer (19), and the heat-insulating layer (19) is made of heat-insulating asbestos, and a mica heating plate (20) is arranged on one side of the heat-insulating layer (19) close to the second protective layer (18).

2. The heating device for the lithium battery of the electric vehicle as claimed in claim 1, wherein the diameter of the first gear (8) is larger than the diameter of the second gear (13).

3. The heating device for the lithium battery of the electric vehicle as claimed in claim 1, wherein the generator (11) is electrically connected with the mica heating plate (20).

4. The heating device for the lithium battery of the electric vehicle as claimed in claim 1, characterized in that the end of the first rotating shaft (7) remote from the sleeve (15) is rotatably connected to the separator (4) by a first bearing (9).

5. The heating device for the lithium battery of the electric automobile as recited in claim 1, characterized in that the end of the second rotating shaft (12) far away from the generator (11) is rotatably connected with the inner wall of the box body (1) through a second bearing (14).

6. The heating device for the lithium battery of the electric vehicle as claimed in claim 1, wherein the fixing frame (10) and the separator (4) are made of a metallic stainless steel material.