CN209993635U

CN209993635U - Shell structure of constant-temperature battery compartment assembly of electric vehicle

Info

Publication number: CN209993635U
Application number: CN201920480913.6U
Authority: CN
Inventors: 王晓晶; 徐洋
Original assignee: Shenyang Strong General Electric Co Ltd
Current assignee: Shenyang Strong General Electric Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2020-01-24
Anticipated expiration: 2029-04-11

Abstract

The utility model relates to an electric motor car battery technology field particularly, relates to a but homothermal shell structure of electric vehicle battery compartment assembly, battery compartment, fresh air inlet, the hole of airing exhaust, thermal-insulated cotton layer, temperature sensor, solenoid valve, anti-shake piece, exhaust fan and closing plate, establishes both sides in the battery compartment and is equipped with fresh air inlet and the hole of airing exhaust, and battery compartment inner wall fixedly connected with is thermal-insulated cotton layer. This practicality is through opening and shutting of two solenoid valves of controller control and the switch of heat extraction fan, and the fresh air inlet solenoid valve is opened, and the hole solenoid valve of airing exhaust is opened, and the fan work of airing exhaust is discharged inside hot-blast through the hole of airing exhaust, and outside cold wind gets into from the air intake, forms the convection current, reduces battery operational environment temperature.

Description

Shell structure of constant-temperature battery compartment assembly of electric vehicle

Technical Field

The utility model relates to an electric motor car battery technology field particularly, relates to a shell structure of homothermal electric vehicle battery compartment assembly.

Background

The power storage battery is a main energy storage device of the electric vehicle, the temperature of the battery not only has certain influence on the discharge power and the charge receiving capacity of the battery, but also greatly influences the service life of the battery, the proper working temperature range is an important factor for obtaining the optimal performance and prolonging the service life of the battery, the power battery can generate electrochemical reaction heat and joule heat generated by the internal resistance of the battery during charge and discharge so as to improve the temperature of the battery, and when the upper limit of the optimal working temperature is exceeded, the performance of the power storage battery can be influenced, and even potential safety hazards can exist in serious cases; on the contrary, when the temperature is lower than the optimal operating temperature, the voltage of the battery is reduced, and the capacity of the battery is also reduced, thereby affecting the power performance and the driving range of the electric vehicle, so that the design of a housing structure of the battery compartment assembly of the electric vehicle capable of keeping the temperature constant is required to protect the battery.

SUMMERY OF THE UTILITY MODEL

Problem (A)

To sum up, the utility model relates to a but homothermal electric vehicle battery compartment assembly's shell structure through structure and functional improvement to solve the problem that above-mentioned electric motor car battery compartment can not work with constant temperature.

(II) technical scheme

The utility model provides a can homothermal electric vehicle battery compartment assembly's shell structure, include: battery compartment, fresh air inlet, exhaust hole, thermal-insulated cotton layer, temperature sensor, solenoid valve, anti-shake piece, exhaust fan and closing plate, establish both sides in the battery compartment and be equipped with fresh air inlet and exhaust hole, the thermal-insulated cotton layer of battery compartment inner wall fixedly connected with, thermal-insulated cotton in-layer wall fixed connection is equipped with twelve anti-shake pieces and temperature sensor, two solenoid valve fixed connection is at the battery compartment outer wall, exhaust fan fixed connection is in the export of solenoid valve, exhaust fan's top fixedly connected with controller, closing plate swing joint sets up on the battery compartment top.

Preferably, the temperature sensor is electrically connected with the controller, and the controller is electrically connected with the heat exhausting fan and the electromagnetic valve.

Preferably, the inner wall of the top end of the battery compartment is provided with a circle of groove which is just meshed with the convex groove of the outer wall of the sealing plate.

Preferably, twelve anti-shake block materials are anti-shake rubber and are evenly provided with heat insulation cotton layer inner walls at the upper layer and the lower layer.

Preferably, two solenoid valve fixed connection is at the surface of fresh air inlet and exhaust hole, and left side solenoid valve surface fixed connection heat extraction fan, fresh air inlet and exhaust hole outer end all run through the automobile body surface, and fresh air inlet outer end drill way is equipped with the filter screen.

Preferably, the groove surface of the battery compartment is provided with a bayonet which is just clamped with a spring buckle arranged on the sealing plate.

(III) advantageous effects

1. The utility model discloses a temperature sensor sends the signal of telecommunication for the controller, the opening and shutting of two solenoid valves of controller control and the switch of heat extraction fan, the fresh air inlet solenoid valve is opened, and the hole solenoid valve of airing exhaust is opened, and the fan work of airing exhaust is discharged through the hole of airing exhaust with inside hot-blast, and outside cold wind gets into from the air intake, forms the convection current, reduces battery operational environment temperature.

2. The utility model has the advantages of, when the solenoid valve was closed, the battery compartment formed sealed thermal-insulated environment, and the fresh air inlet outer end drill way is equipped with the filter screen, makes the outside air that gets into filter, filters filths such as dust, and the battery compartment recess face is equipped with the spring buckle that is equipped with on bayonet socket and the closing plate and just the joint, and back in the closing plate inserted the battery compartment recess, the accessible was pressed the spring buckle and is fixed the closing plate, and in electric motor car working process, the closing plate can not drop.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a plan view of the battery compartment of the present invention.

Fig. 3 is a sectional view of the battery compartment of the present invention.

In fig. 1 to 3, the corresponding relationship between the part names or lines and the reference numbers is:

the device comprises a battery bin-1, an air inlet-101, an air outlet-102, a heat insulation cotton layer-2, a temperature sensor-3, an electromagnetic valve-4, an anti-shaking block-5, a heat exhaust fan-6 and a sealing plate-7.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a housing structure of a thermostatic electric vehicle battery compartment assembly, comprising: battery compartment 1, fresh air inlet 101, exhaust hole 102, thermal-insulated cotton layer 2, temperature sensor 3, solenoid valve 4, anti-shake piece 5, exhaust fan 6 and closing plate 7, it is equipped with fresh air inlet 101 and exhaust hole 102 to establish both sides in the battery compartment 1, 1 inner wall fixedly connected with in battery compartment separates thermal-

insulated cotton layer

2, 2 inner wall fixed connection in thermal-insulated cotton layer are equipped with twelve anti-shake pieces 5 and temperature sensor 3, two 4 fixed connection of solenoid valve are at 1 outer wall in battery compartment, 6 fixed connection in the export of solenoid valve 4 in the exhaust fan, 6 top fixedly connected with controller 8 in exhaust fan 6, closing plate 7 swing joint sets up on 1 top in battery compartment.

Wherein, 3 connection director 8 electric connection of temperature sensor, and 8 connection heat exhausting fan 6 of controller and 4 electric connection of solenoid valve, when electric motor car during operation, the storage battery car battery generates heat, change the interior temperature of battery compartment, temperature sensor 3 sends the signal of telecommunication for controller 8, the opening and shutting of two solenoid valves of controller control and heat exhausting fan 6's switch, intake opening 101 solenoid valve 4 is opened, exhaust opening 102 solenoid valve 4 is opened, fan 6 work of airing exhaust, pass through exhaust opening 102 with inside hot-blast, outside cold wind gets into from the air intake, form the convection current, reduce battery operational environment temperature.

Wherein, 1 top inner wall of battery compartment has round recess and the just meshing of closing plate 7 outer wall tongue, can mesh closing plate 7 to the top of battery compartment 1, makes battery compartment 1 form a confined space.

Wherein, anti-shake piece 5 material is anti-shake rubber, and goes up two-layer upper and lower two-layer and evenly sets up thermal-insulated cotton layer 2 inner wall, makes the battery installation when inside, forms the clearance between battery and the thermal-insulated cotton layer, and when the heat extraction, the wind of fresh air inlet 101 can be discharged from heat extraction hole 102 through the clearance.

Wherein, two solenoid valves 4 fixed connection are in the surface of fresh air inlet 101 and

exhaust hole

102, and 4 outer fixed surface connection exhaust fan 6 of left solenoid valve, and fresh air inlet 101 and exhaust hole 102 outer end all run through the automobile body surface, and fresh air inlet 101 outer end drill way is equipped with the filter screen, and when solenoid valve 4 was closed, the battery compartment formed sealed thermal-insulated environment, and fresh air inlet 101 outer end drill way is equipped with the filter screen, makes the outside air that gets into filter, filters filth such as dust.

Wherein, 1 recess face in battery compartment is equipped with bayonet socket and the just joint of the spring buckle that is equipped with on the closing plate 7, inserts back in 1 recess in battery compartment when closing plate 7, and the accessible presses down the spring buckle and fixes the closing plate, and in electric motor car working process, closing plate 7 can not drop.

The working principle is as follows:

firstly, an electric vehicle battery is installed in a battery compartment 1, a sealing plate 7 is inserted from a groove of the battery compartment 1, a spring buckle on the sealing plate 7 is pressed down, and the sealing plate 7 is fixed above the battery compartment 1, so that a sealed environment is formed in the battery compartment; then the electric vehicle starts to run, the battery discharges in the battery compartment 1, the battery heats to change the internal environment temperature of the battery compartment 1, when the temperature reaches the temperature set by the temperature sensor 3, the temperature sensor 3 sends an electric signal to the controller 8, and the controller 8 opens the electromagnetic valves 4 at the two ends and the heat exhausting fan 6 according to the electric signal; secondly, the heat exhausting fan 6 exhausts the hot air in the battery compartment 1 from the air exhaust hole 102, the air inlet hole 101 filters natural cold air, the natural cold air is guided into the battery compartment 1, the internal heat is taken away through a gap between the battery compartment 1 and the heat insulation cotton layer 2, and when the temperature is reduced to a set temperature, the heat exhausting fan 6 and the two electromagnetic valves 4 are automatically closed.

Claims

1. A thermostatable housing structure for an electric vehicle battery compartment assembly, comprising: battery compartment (1), fresh air inlet (101), exhaust hole (102), thermal-insulated cotton layer (2), temperature sensor (3), solenoid valve (4), anti-shake piece (5), exhaust fan (6) and closing plate (7), its characterized in that: establish both sides in battery compartment (1) and be equipped with fresh air inlet (101) and exhaust hole (102), battery compartment (1) inner wall fixedly connected with thermal-insulated cotton layer (2), thermal-insulated cotton layer (2) inner wall fixed connection is equipped with twelve and prevents trembling piece (5) and temperature sensor (3), two solenoid valve (4) fixed connection is at battery compartment (1) outer wall, exhaust fan (6) fixed connection is in the export of solenoid valve (4), the top fixedly connected with controller (8) of exhaust fan (6), closing plate (7) swing joint sets up on battery compartment (1) top.

2. A thermostatable housing construction for a battery compartment assembly of an electric vehicle as claimed in claim 1, characterized in that: the temperature sensor (3) is electrically connected with the controller (8) through the electric signal transmission, and the controller (8) is electrically connected with the heat exhausting fan (6) and the electromagnetic valve (4).

3. A thermostatable housing construction for a battery compartment assembly of an electric vehicle as claimed in claim 1, characterized in that: the inner wall of the top end of the battery bin (1) is provided with a circle of groove which is just meshed with the convex groove of the outer wall of the sealing plate (7).

4. A thermostatable housing construction for a battery compartment assembly of an electric vehicle as claimed in claim 1, characterized in that: the anti-shake block (5) is made of anti-shake rubber and is divided into an upper layer and a lower layer which are uniformly provided with an inner wall of a heat insulation cotton layer (2).

5. A thermostatable housing construction for a battery compartment assembly of an electric vehicle as claimed in claim 1, characterized in that: two solenoid valve (4) fixed connection is at the surface of intake (101) and exhaust hole (102), and left side solenoid valve (4) surface fixed connection heat exhausting fan (6), the external surface of automobile body is all run through to intake (101) and exhaust hole (102) outer end, and intake (101) outer end drill way is equipped with the filter screen.

6. A thermostatable housing construction for a battery compartment assembly of an electric vehicle as claimed in claim 1, characterized in that: the groove surface of the battery compartment (1) is provided with a bayonet which is just clamped with a spring buckle arranged on the sealing plate (7).