Liquid cooling structure of battery box

Abstract

The utility model provides a battery box liquid cooling structure, which comprises a box body and a battery body, the upper surface of the box body is provided with a top cover, the inner bottom surface of the box body is slidably provided with a mounting plate, the upper surface of the mounting plate is provided with a mounting groove, and the inner surface of the mounting groove is fixedly connected with a first heat dissipation member used for reducing the temperature of the battery body. And a second heat dissipation piece is fixedly arranged above the mounting plate, and a liquid drainage piece is fixedly arranged on the left side of the inner surface of the mounting groove. External cooling liquid enters the first heat dissipation piece from the liquid inlet pipe, flows through the second heat dissipation piece and is discharged through the liquid discharging piece, when the cooling liquid passes through the first heat dissipation pipe and the second heat dissipation pipe, heat of the bottom and the outer side face of the battery body can be absorbed, the heat transfer efficiency is greatly improved, and the service life of the battery is prolonged. And the battery body is prevented from being damaged because heat is not dissipated in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery box technical field, specifically, relate to a battery box liquid cooling structure. BACKGROUND

[0002] Energy storage battery box generally installs several even dozens of electric core in a closed box body, which puts forward higher requirements to the strength and heat dissipation system of the battery box system, compared with air cooling, liquid cooling has more balanced heat dissipation consistency and higher system stability, and has shown good application prospect in the energy storage battery thermal management field.

[0003] In the prior art, the battery box is generally cooled by air cooling or liquid cooling, wherein the existing liquid cooling structure generally cools through the water cooling plate arranged at the bottom of the battery, the contact surface of the battery and the cooling liquid is small, which leads to low heat transfer efficiency, and the battery box is prone to damage due to the internal heat not being dissipated in time.

[0004] Therefore, we improve it and propose a battery box liquid cooling structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at: the contact surface of the battery and the cooling liquid is small, which leads to low heat transfer efficiency, and the battery box is prone to damage due to the internal heat not being dissipated in time.

[0006] In order to realize the above-mentioned invention purpose, the utility model provides the following technical scheme:

[0007] A battery box liquid cooling structure is provided to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] The utility model discloses a battery box liquid cooling structure, which comprises a box body and a battery body, the upper surface of the box body is provided with a top cover, the inner bottom surface of the box body is slidably provided with a mounting plate, the upper surface of the mounting plate is provided with a mounting groove, the inner surface of the mounting groove is fixedly connected with a first heat dissipation piece for reducing the temperature of the battery body, a second heat dissipation piece is fixedly arranged above the mounting plate, and a liquid discharge piece is fixedly arranged on the left side of the inner surface of the mounting groove.

[0010] The external cooling liquid enters the inside of the first heat dissipation piece from the liquid inlet pipe, flows through the second heat dissipation piece and is discharged through the liquid discharge piece, wherein the cooling liquid can absorb the heat of the bottom and the outer side of the battery body when passing through the heat dissipation pipe one and the heat dissipation pipe two, greatly improving the heat transfer efficiency and preventing the battery body from being damaged due to the heat not being dissipated in time.

[0011] As a preferred embodiment of the battery box liquid cooling structure provided by the utility model, the first heat dissipation piece includes a shunt pipe, the shunt pipe is fixedly arranged on the right side of the inner surface of the mounting groove, the upper surface of the shunt pipe is fixedly connected with a liquid inlet pipe, the top end of the liquid inlet pipe extends to the upper side of the mounting plate, the two ends of the shunt pipe are fixedly connected with a transmission pipe one, the rear side of the two transmission pipes one is fixedly connected with three heat dissipation pipes one, and the transmission pipe one and the heat dissipation pipe one are fixedly arranged on the inner bottom surface of the mounting groove.

[0012] As a preferred embodiment of the battery box liquid cooling structure provided by the utility model, the second heat dissipation piece includes heat dissipation pipes two, the heat dissipation pipes two are provided with six, one end of the six heat dissipation pipes one is fixedly connected with a connecting pipe, and one end of the heat dissipation pipe two is fixedly connected with the connecting pipe.

[0013] As a preferred embodiment of the battery box liquid cooling structure provided by the utility model, the heat dissipation pipe two is arranged in a threaded shape.

[0014] As a preferred embodiment of the battery box liquid cooling structure provided by the utility model, the battery body is arranged to slide in the inside of the heat dissipation pipe two.

[0015] As a preferred embodiment of the battery box liquid cooling structure provided by the utility model, the liquid discharge piece includes a collecting pipe, the collecting pipe is fixedly arranged on the left side of the inner surface of the mounting groove, the upper surface of the collecting pipe is fixedly connected with a liquid outlet pipe, the upper end of the liquid outlet pipe extends to the upper side of the mounting plate, the two ends of the collecting pipe are fixedly connected with a transmission pipe two, the upper surfaces of the two transmission pipes two are fixedly connected with three transmission pipes three, the other end of the heat dissipation pipe two is fixedly connected with the transmission pipe three, and the collecting pipe and the transmission pipe two are arranged to slide in the inside of the mounting groove.

[0016] As a preferred embodiment of the battery box liquid cooling structure provided by the utility model, the fixed frame is arranged to slide on the upper side of the mounting plate in the inside of the box body.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] The external cooling liquid enters the inside of the first heat dissipation piece from the liquid inlet pipe, flows through the second heat dissipation piece and is discharged through the liquid discharge piece, wherein the cooling liquid can absorb the heat of the bottom and the outer side of the battery body when passing through the heat dissipation pipe one and the heat dissipation pipe two, the heat transfer efficiency is greatly improved, and the battery body is prevented from being damaged due to the heat not being discharged in time. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The structure diagram of the battery box liquid cooling structure provided by the utility model is shown in the figure.

[0020] Figure 2 The structure diagram of the fixing frame of the battery box liquid cooling structure provided in the application is shown in the figure.

[0021] Figure 3 The side sectional structure diagram of the mounting plate of the battery box liquid cooling structure provided in the application is shown in the figure.

[0022] Figure 4 The structure diagram of the heat dissipation pipe one of the battery box liquid cooling structure provided in the application is shown in the figure.

[0023] Figure 5 The bottom structure diagram of the heat dissipation pipe one of the battery box liquid cooling structure provided in the application is shown in the figure.

[0024] Figure 6 The enlarged structure diagram of A of the battery box liquid cooling structure provided in the application is shown in the figure.

[0025] Figure 7 The structure diagram of the transmission pipe three of the battery box liquid cooling structure provided in the application is shown in the figure.

[0026] Figure 8 The structure diagram of the mounting plate of the battery box liquid cooling structure provided in the application is shown in the figure.

[0027] The figure shows:

[0028] 1, box body; 11, top cover; 12, mounting plate; 13, battery body; 2, mounting groove; 21, shunt pipe; 22, liquid inlet pipe; 23, transmission pipe one; 24, heat dissipation pipe one; 3, connecting pipe; 31, heat dissipation pipe two; 4, collection pipe; 41, liquid outlet pipe; 42, transmission pipe two; 43, transmission pipe three; 5, fixing frame. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0030] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0032] It should be noted that like reference numerals and letters refer to like items in the several views, and once an item is defined in one view, it should not require further defining and explaining in subsequent views.

[0033] In the description of the utility model, it needs to explain, the orientation or position relation indicated by the terms "upper", "lower" and the like is based on the orientation or position relation shown in the drawing, or is the orientation or position relation of the product of the application when it is usually placed, or is the orientation or position relation that the person skilled in the art usually understands, these terms are only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model.In addition, the terms "first", "second" and the like are only used for distinguishing description, and can not be understood as indicating or implying relative importance.

[0034] The battery and the cooling liquid have small contact surfaces, resulting in low heat transfer efficiency, and the battery box is prone to damage due to the failure of the internal heat to be dissipated in time.

[0035] To solve this technical problem, the utility model provides a battery box liquid cooling structure.

[0036] Specifically, please refer to Figures 1-8 A battery box liquid cooling structure specifically comprises: a box body 1 and a battery body 13, the upper surface of the box body 1 is provided with a top cover 11, the inner bottom surface of the box body 1 is slidably provided with a mounting plate 12, the upper surface of the mounting plate 12 is provided with a mounting groove 2, the inner surface of the mounting groove 2 is fixedly connected with a first heat dissipation piece for reducing the temperature of the battery body 13, the upper side of the mounting plate 12 is fixedly provided with a second heat dissipation piece, and the left side of the inner surface of the mounting groove 2 is fixedly provided with a liquid discharge piece.

[0037] The external cooling liquid enters the inside of the first heat dissipation piece from the liquid inlet pipe 22, flows through the second heat dissipation piece and is discharged through the liquid discharge piece, wherein the cooling liquid can absorb the heat of the bottom and the outer side of the battery body 13 when passing through the heat dissipation pipe one 24 and the heat dissipation pipe two 31, greatly improving the heat transfer efficiency and preventing the battery body 13 from being damaged due to the failure of the heat to be dissipated in time.

[0038] In order for the person skilled in the art to better understand the utility model scheme, the technical scheme in the embodiment of the utility model will be described clearly and completely in combination with the drawings.

[0039] It should be noted that the embodiments in the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0040] It should be noted that like reference numerals and characters refer to like items throughout the attached drawings and alternative embodiments thereof, noting that, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0041] Embodiment 1

[0042] Please refer to Figures 1-8 A battery box liquid cooling structure, comprising a box body 1 and a battery body 13, the upper surface of the box body 1 is provided with a top cover 11, the inner bottom surface of the box body 1 is slidably provided with a mounting plate 12, the upper surface of the mounting plate 12 is provided with a mounting groove 2, the inner surface of the mounting groove 2 is fixedly connected with a first heat dissipation piece for reducing the temperature of the battery body 13, the upper side of the mounting plate 12 is fixedly provided with a second heat dissipation piece, and the left side of the inner surface of the mounting groove 2 is fixedly provided with a liquid discharge piece. The first heat dissipation piece comprises a shunt pipe 21 fixedly arranged on the right side of the inner surface of the mounting groove 2, an inlet pipe 22 fixedly connected with the upper surface of the shunt pipe 21, the top end of the inlet pipe 22 extending to the upper side of the mounting plate 12, and two transmission pipes one 23 fixedly connected with the shunt pipe 21, the rear side of each of the two transmission pipes one 23 being fixedly connected with three heat dissipation pipes one 24, and the transmission pipe one 23 and the heat dissipation pipe one 24 being fixedly arranged on the inner bottom surface of the mounting groove 2. The second heat dissipation piece comprises six heat dissipation pipes two 31, one end of each of the six heat dissipation pipes one 24 being fixedly connected with a connecting pipe 3, and one end of the heat dissipation pipe two 31 being fixedly connected with the connecting pipe 3. The heat dissipation pipe two 31 is arranged in a threaded manner. The liquid discharge piece comprises a collection pipe 4 fixedly arranged on the left side of the inner surface of the mounting groove 2, an outlet pipe 41 fixedly connected with the upper surface of the collection pipe 4, the upper end of the outlet pipe 41 extending to the upper side of the mounting plate 12, two transmission pipes two 42 fixedly connected with the collection pipe 4, the upper surface of each of the two transmission pipes two 42 being fixedly connected with three transmission pipes three 43, the other end of the heat dissipation pipe two 31 being fixedly connected with the transmission pipe three 43, and the collection pipe 4 and the transmission pipe two 42 being slidably arranged in the interior of the mounting groove 2.

[0043] The implementation process is as follows: the external cooling liquid enters the interior of the shunt pipe 21 through the inlet pipe 22, then the cooling liquid enters the interior of the heat dissipation pipe one 24 through the transmission pipe one 23, absorbs the heat at the bottom of the battery body 13, then the cooling liquid enters the interior of the heat dissipation pipe two 31 through the connecting pipe 3, absorbs the heat on the outer side of the battery body 13, thereby reducing the temperature of the battery body 13, and the cooling liquid after absorbing the heat is discharged in sequence through the transmission pipe three 43, the transmission pipe two 42, the collection pipe 4 and the outlet pipe 41.

[0044] The implementation benefit is that the heat at the bottom and the outer side of the battery body 13 is absorbed by the cooling liquid.

[0045] Embodiment 2

[0046] The battery body 13 is arranged in the inside of the second heat dissipation pipe 31. The fixing frame 5 is arranged in the inside of the box body 1 above the mounting plate 12.

[0047] Implementation process: when the battery body 13 is installed, the mounting plate 12 and the fixing frame 5 are sequentially arranged in the inside of the box body 1, then the battery body 13 is arranged in the inside of the second heat dissipation pipe 31, and then the top cover 11 is arranged on the upper surface of the box body 1 and fixed, at this time, the upper surfaces of the fixing frame 5 and the battery body 13 are tightly combined with the lower surface of the top cover 11, and the lower surface of the fixing frame 5 is tightly combined with the mounting plate 12, so that the mounting plate 12 is fixedly installed, when the battery body 13 needs to be disassembled, the reverse operation can be performed.

[0048] Implementation benefits: the installation and disassembly of the battery body 13 are realized.

[0049] The above embodiments are only used to illustrate the utility model and are not limited to the technical solutions described in the utility model. Although the utility model has been described in detail with reference to the above embodiments, the utility model is not limited to the above specific implementation. Therefore, any modification or equivalent replacement of the utility model is allowed; all technical solutions and improvements which do not deviate from the spirit and scope of the invention are included in the claim range of the utility model.

Claims

1. A battery case liquid cooling structure comprising a case (1) and a battery body (13), a top cover (11) being mounted on an upper surface of the case (1), characterized in that, The inner bottom surface of the box (1) is slidably provided with a mounting plate (12), the upper surface of the mounting plate (12) is provided with a mounting groove (2), the inner surface of the mounting groove (2) is fixedly connected with a first heat dissipation piece for reducing the temperature of the battery body (13), the upper side of the mounting plate (12) is fixedly provided with a second heat dissipation piece, and the left side of the inner surface of the mounting groove (2) is fixedly provided with a liquid discharge piece.

2. The liquid cooling structure for a battery pack according to claim 1, wherein The first heat dissipation piece comprises a shunt pipe (21), the shunt pipe (21) is fixedly arranged on the right side of the inner surface of the mounting groove (2), the upper surface of the shunt pipe (21) is fixedly connected with a liquid inlet pipe (22), the top end of the liquid inlet pipe (22) extends to the upper side of the mounting plate (12), and both ends of the shunt pipe (21) are fixedly connected with a transmission pipe one (23), the rear side of each of the two transmission pipe ones (23) is fixedly connected with three heat dissipation pipes one (24), and the transmission pipe one (23) and the heat dissipation pipe one (24) are fixedly arranged on the inner bottom surface of the mounting groove (2).

3. The liquid cooling structure for a battery pack according to claim 2, wherein The second heat dissipation piece comprises a heat dissipation pipe two (31), the heat dissipation pipe two (31) is provided with six, one end of each of the six heat dissipation pipes one (24) is fixedly connected with a connecting pipe (3), and one end of the heat dissipation pipe two (31) is fixedly connected with the connecting pipe (3).

4. The liquid-cooled battery pack structure of claim 3, wherein The heat dissipation pipe two (31) is arranged in a threaded manner.

5. The liquid-cooled battery pack structure of claim 4, wherein The battery body (13) is slidably arranged in the heat dissipation pipe two (31).

6. The liquid-cooled battery pack structure of claim 5, wherein The liquid discharge piece comprises a collecting pipe (4), the collecting pipe (4) is fixedly arranged on the left side of the inner surface of the mounting groove (2), the upper surface of the collecting pipe (4) is fixedly connected with a liquid outlet pipe (41), the upper end of the liquid outlet pipe (41) extends to the upper side of the mounting plate (12), both ends of the collecting pipe (4) are fixedly connected with a transmission pipe two (42), the upper surfaces of the two transmission pipe twos (42) are fixedly connected with three transmission pipe threes (43), the other end of the heat dissipation pipe two (31) is fixedly connected with the transmission pipe three (43), and the collecting pipe (4) and the transmission pipe two (42) are slidably arranged in the mounting groove (2).

7. The liquid-cooled battery pack structure of claim 6, wherein The inner side of the box (1) is slidably arranged with a fixing frame (5) above the mounting plate (12).

Images