CN210296572U

CN210296572U - Battery box

Info

Publication number: CN210296572U
Application number: CN201921588394.1U
Authority: CN
Inventors: 陆群; 李士跃
Original assignee: CH Auto Technology Co Ltd
Current assignee: CH Auto Technology Co Ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-04-10
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a battery box. The battery box comprises a battery box main body, an air inlet pipeline, a heating element, an air outlet pipeline and an airflow driving element. The heating element is butted with an air inlet arranged on the top surface of the first end of the battery box main body, an air outlet pipeline is communicated with an air outlet arranged on the end surface of the second end of the battery box main body, an air flow driving element is connected in series on the air outlet pipeline, the air inlet and the air outlet are respectively arranged at two ends of the battery box main body, so that air flow passes through the whole battery box main body, and the opening position of the air inlet is higher than that of the air outlet, thereby being beneficial to improving the heat transfer efficiency of the battery box; the heating element and the airflow driving element are arranged, so that the battery box has the functions of actively driving the airflow and heating the airflow to actively control the temperature in the main body of the battery box.

Description

Battery box

Technical Field

The utility model relates to an electric automobile field, in particular to battery box.

Background

The electric vehicle takes the power battery as the power source of the driving device, and along with the continuous development of the electric vehicle, the heat management of the battery box is gradually paid attention. The common battery heat management modes at present are air cooling and water cooling. The air cooling is generally natural cooling, and the heat dissipation efficiency and the temperature rise are slow.

Based on above-mentioned demand, provide a battery box that can satisfy initiative intensification cooling demand, become the technical problem that remains to solve among the prior art.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a battery box, include:

the battery box comprises a battery box main body, a first air inlet and a second air outlet, wherein the battery box main body is provided with the air inlet and the air outlet, the air inlet is arranged on the top surface of the first end of the battery box main body, and the air outlet is arranged on the end surface of the second end of the battery box main body;

the air inlet pipeline is communicated with the air inlet;

a heating element arranged at the butt joint of the air inlet pipeline and the air inlet;

the air outlet pipeline is communicated with the air outlet;

and the airflow driving element is connected in series in the air outlet pipeline.

Optionally, the heating element comprises a PTC element and a housing for carrying the PTC element, wherein the housing is arranged at the interface of the air inlet duct and the air inlet.

Optionally, an air filter is arranged inside the air inlet pipeline.

Optionally, the air inlet duct is arranged vertically and has a circular cross section.

Optionally, the air outlet duct includes a first air outlet duct section connected between the air outlet and the air inlet side of the airflow driving element, and a second air outlet duct section connected to the air outlet side of the airflow driving element.

Optionally, first air-out pipeline transversely arranges and the cross-section is circular, second air-out pipeline vertical arrangement and the cross-section is circular.

Optionally, the airflow driving element comprises a fan.

Optionally, the air flow driving device further comprises a temperature sensor and a controller, wherein the temperature sensor is arranged inside the battery box, the temperature sensor sends a temperature signal to the controller, and the controller receives the temperature signal from the temperature sensor and sends a control signal to the heating element and the air flow driving element.

Therefore, according to the battery box provided by the application, the heating element is in butt joint with the air inlet arranged on the top surface of the first end of the battery box main body, the air outlet pipeline is communicated with the air outlet arranged on the end surface of the second end of the battery box main body, the air outlet pipeline is connected with the air flow driving element in series, the air inlet and the air outlet are respectively arranged at two ends of the battery box main body, so that air flow passes through the whole battery box main body, and the opening position of the air inlet is higher than the opening position of the air outlet, so that the heat transfer efficiency of the battery box is improved; the heating element and the airflow driving element are arranged, so that the battery box has the functions of actively driving the airflow and heating the airflow to actively control the temperature in the main body of the battery box.

Drawings

The following drawings are merely illustrative and explanatory of the present application and do not limit the scope of the present application.

Fig. 1 is a schematic structural diagram of a battery box according to an embodiment of the present application;

fig. 2 is an exploded view of a battery box according to an embodiment of the present application.

Description of reference numerals:

100 battery box

110 main body of battery box

111 air inlet

112 air outlet

120 air inlet pipeline

121 air filter

130 heating element

131 PTC element

132 casing

140 air outlet pipeline

141 first air outlet pipeline section

142 second air outlet pipeline section

150 airflow driving element

151 blower

160 temperature sensor

170 controller

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings.

"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of a battery box according to an embodiment of the present application; fig. 2 is an exploded view of a battery box according to an embodiment of the present application.

Referring to fig. 1 and 2, one embodiment of the present application provides a battery box 100, including: a battery box main body 110, an air inlet duct 120, a heating element 130, an air outlet duct 140 and an air flow driving element 150.

Wherein, the battery box main body 110 has an air inlet 111 and an air outlet 112, the air inlet 111 is arranged on the top surface of the first end of the battery box main body 110, the air outlet 112 is arranged on the end surface of the second end of the battery box main body 110, and the air inlet 111 is not shown in the figure due to being shielded; the air inlet pipeline 120 is communicated with the air inlet 111; the heating element 130 is arranged at the butt joint of the air inlet pipeline 120 and the air inlet 111; the air outlet pipeline 140 is communicated with the air outlet 112; the airflow driving member 150 is connected in series in the air outlet duct 140.

In this embodiment, the first end of the battery box main body 110 is an end having an external interface, and the second end is the other end of the end surface where the external interface is located.

As can be seen from the above, in the battery box 100 provided in this embodiment, the heating element 130 is in butt joint with the air inlet 111 disposed on the top surface of the first end of the battery box main body 110, the air outlet duct 140 is communicated with the air outlet 112 disposed on the end surface of the second end of the battery box main body 110, the air flow driving element 150 is connected to the air outlet duct 140 in series, the air inlet 111 and the air outlet 112 are respectively disposed at two ends of the battery box main body 110, so that the air flow passes through the entire battery box main body 110, and the opening position of the air inlet 111 is higher than the opening position of the air outlet 112, thereby facilitating to improve the heat transfer efficiency of the battery box 100; the heating element 130 and the airflow driving element 150 are provided to provide the battery box 100 with functions of actively driving and heating the airflow to actively control the temperature inside the battery box main body 110.

In order to realize the function of the battery box 100 to heat the air flow, the heating element 130 includes a PTC element 131 and a housing 132 for carrying the PTC element 131, wherein the housing 132 is disposed at the interface of the air inlet duct 120 and the air inlet 111, and the housing 132 has a bottom opening for interfacing with the air inlet duct 111 and a top opening for interfacing with the air inlet duct 120.

In order to keep the inside of the battery case main body 110 clean, an air cleaner 121 is disposed inside the air inlet duct 120.

In order to facilitate the installation of the battery box 100 and reduce the resistance to the flow of gas, the air inlet duct 120 is vertically arranged and has a circular cross-section.

To facilitate the installation of the airflow actuating element 150, the outlet duct 140 includes a first outlet duct section 141 connected between the air outlet 112 and the air inlet side of the airflow actuating element 150, and a second outlet duct section 142 connected to the air outlet side of the airflow actuating element 150.

In order to facilitate the installation of the battery box 100 and reduce the resistance of the gas flow, the first air outlet duct 141 is transversely arranged and has a circular cross section, and the second air outlet duct 142 is vertically arranged and has a circular cross section.

In order to realize the function of the battery box 100 of actively driving the airflow, the airflow driving member 150 includes a fan 151. In this embodiment, the draught fan may be an induced draft fan.

Referring to fig. 2, in order to realize the active temperature increasing and decreasing function of the battery box 100, the battery box 100 further includes a temperature sensor 160 and a controller 170, wherein the temperature sensor 160 is disposed inside the battery box 100, the temperature sensor 160 sends a temperature signal to the controller 170, and the controller 170 receives the temperature signal from the temperature sensor 160 and sends control signals to the heating element 130 and the airflow driving element 150.

In the present embodiment, the controller 170 is an air conditioner controller, and the driving currents of the PTC element 131 and the fan 151 are supplied from a DCDC converter.

When the controller 170 senses that the temperature inside the battery box main body 110 is too high through the temperature sensor 160 during the vehicle is stationary or running process, the controller 170 sends a starting control signal to the fan 151, the fan 151 enters a working state, air is pumped into the battery box main body 110 from the air inlet 111, heat is taken away, and the battery reaches an optimal working temperature quickly. When the controller 170 senses that the temperature inside the battery box main body 110 is low through the temperature sensor 160, the controller 170 simultaneously sends a control signal for starting the PTC element 131 and the fan 151, and both the PTC element 131 and the fan 151 enter an operating state, so that hot air passes through the battery main box 110 to heat the battery, thereby maintaining the battery within an ideal operating temperature range.

The above list of details is only for the feasible embodiments of the present invention and is not intended to limit the scope of the present invention, and all equivalent embodiments or modifications, such as combinations, divisions or repetitions of the features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.

Claims

1. A battery box, comprising:

the air inlet pipeline is communicated with the air inlet;

the air outlet pipeline is communicated with the air outlet;

2. The battery box according to claim 1, wherein the heating element comprises a PTC element and a housing for carrying the PTC element, wherein the housing is arranged at a junction of the air inlet duct and the air inlet.

3. The battery box according to claim 1, wherein an air cleaner is disposed inside the air intake duct.

4. The battery box according to claim 1, wherein the air inlet duct is vertically arranged and has a circular cross section.

5. The battery box of claim 1, wherein the air outlet duct comprises a first air outlet duct section connected between the air outlet and the air inlet side of the airflow actuating member, and a second air outlet duct section connected to the air outlet side of the airflow actuating member.

6. The battery box of claim 5, wherein the first air outlet duct is arranged horizontally and has a circular cross section, and the second air outlet duct is arranged vertically and has a circular cross section.

7. The battery box of claim 1, wherein the airflow driving element comprises a fan.

8. The battery box of claim 1, further comprising a temperature sensor and a controller, wherein the temperature sensor is disposed inside the battery box, the temperature sensor sends a temperature signal to the controller, and the controller receives the temperature signal from the temperature sensor and sends control signals to the heating element and the airflow driving element.