CN210468035U

CN210468035U - A water-cooling structure for new energy automobile

Info

Publication number: CN210468035U
Application number: CN201921766504.9U
Authority: CN
Inventors: 伍小宏; 曹新成; 徐超; 张兆宏; 高顺
Original assignee: Wuhu Stc Battery System Ltd
Current assignee: Wuhu Stc Battery System Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-05-05
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a water-cooling structure for new energy automobile, including first water-cooled tube, second water-cooled tube, locate the water supply connector and the water connectors at first water-cooled tube both ends, the water-cooling structure still includes the harmonica nest of tubes that leads to the leading-in cold water of water connectors from first cold water pipe direction second cold water pipe and backward flow to first water-cooled tube water connectors, first water-cooled tube all is equipped with the location installation mechanism who is connected with battery box installation roof beam location with the both ends of second water-cooled tube. The utility model discloses structural design is simple, and the off-the-shelf goodness is high after workable and processing, can realize the purpose of water-cooling.

Description

A water-cooling structure for new energy automobile

Technical Field

The utility model belongs to the technical field of the supplementary cooling of new energy battery, concretely relates to a water-cooling structure for new energy automobile.

Background

Under the environment that environmental pollution is increasingly serious and green and environment-friendly is advocated, new energy automobiles are rapidly developed in recent two years, and particularly under the strong support of governments in China, the sales of new energy automobiles are more rapidly advanced. According to the data display of the passenger union, the sales volume of new energy passenger cars in China in 2018 reaches 101 thousands of cars, and the new energy passenger cars are increased by 83% on year-on-year basis. However, along with the rapid increase of the sales volume, the quality and safety problems of new energy automobiles are increasingly highlighted. According to the statistics of the quality development bureau of the State market supervision and management, the number of new energy vehicles recalled exceeds 13 thousands. According to the statistical data of the State market administration, the recalling information is published by numerous car enterprises including Biddi, Tesla, Lifan, Zhongtai, Jianghuai and the like in 2018.

According to data, the failure of the new energy automobile mainly comprises three reasons, firstly, the battery is overheated to cause spontaneous combustion; secondly, potential safety hazards exist in the transmission; thirdly, the brake booster vacuum pump fails. Vehicle self-ignition due to overheating of the battery is the most prominent cause.

Under the trend of new energy passenger vehicles, new energy commercial vehicles are also in large quantities to enter the market. Similarly, the phenomenon of spontaneous combustion caused by battery overheating is also a high risk item, and therefore, it is urgently needed to design a water cooling structure for accelerating the heat dissipation of the battery pack to reduce the probability of the occurrence of the overheating phenomenon.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art. Therefore, the utility model provides a water-cooling structure for new energy automobile, the purpose is convenient for cool down to the battery package.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model provides a water-cooling structure for new energy automobile, includes first water-cooled tube, second water-cooled tube, locates the water supply connector and the water connectors at first water-cooled tube both ends, water-cooling structure still includes the harmonica nest of tubes that leads to the leading-in cold water of water connectors from first cold water pipe direction second cold water pipe and backward flow to first water-cooled tube water connectors, the both ends of first water-cooled tube and second water-cooled tube all are equipped with the location installation mechanism of being connected with battery box installation roof beam location.

The positioning and mounting mechanism comprises a mounting plate and a positioning and fastening assembly for positioning and connecting the mounting plate with the battery box body mounting beam, and the mounting plate is arranged at both ends of the first water-cooled tube and the second water-cooled tube.

The positioning and fastening assembly comprises a positioning column which is arranged on the battery box body mounting beam and matched with the mounting hole of the mounting plate, and the mounting plate and the positioning column are locked and fixed through a locking piece.

The positioning column is a stud, and the locking part is a locking nut.

The positioning and fastening assembly comprises a bolt and a nut, and the bolt penetrates through the mounting plate and the battery box body mounting beam to be matched and fastened with the nut.

The harmonica tube group comprises at least two groups of harmonica tubes.

The water inlet joint is connected with a water inlet of the first water-cooling pipe through a first corrugated pipe, and the water outlet joint is connected with a water outlet of the first water-cooling pipe through a second corrugated pipe.

And the outer sides of the first water-cooled tube, the second water-cooled tube and the harmonica tube group are provided with high-molecular polymer coatings.

The high molecular polymer coating is an epoxy resin anticorrosive coating, an epoxy resin ceramic anticorrosive coating or a polyurethane anticorrosive coating.

And a polyurethane elastomer buffer layer, an aluminum foam buffer layer, a polyurethane foam buffer layer or a polystyrene foam buffer layer are arranged on the outer sides of the first water-cooled tube, the second water-cooled tube and the harmonica tube group.

The utility model has the advantages that:

1. the operability is strong; the water-cooling structure is an integral assembly when supplied, is not required to be assembled by self, and only needs to be fixed on the box body, so that the operability is strong, and the operation risk is low.

2. The structure is simple; common portable materials are used, the structural design is simple, the processing is easy, and the excellent rate of the processed finished product is high.

3. The cost is low; common lightweight materials are used, so that the use performance of the product is ensured, and the cost is reduced.

4. The universality is strong; all components of the water cooling system are common, can be combined according to the actual box body requirement, and are adjustable in size, so that the requirements of different box body types are met.

Drawings

The description includes the following figures, the contents shown are respectively:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the water-cooling structure of the present invention without connecting to the mounting beam of the battery box;

FIG. 3 is a schematic view of the structure of a harmonica tube;

FIG. 4 is a schematic structural diagram of a water-cooled tube provided with a high-molecular polymer coating on the outer side thereof;

fig. 5 is a schematic structural view of a harmonica tube with a buffer layer disposed on the outside thereof.

Labeled as:

1. the water-cooled harmonica comprises a first water-cooled tube, a second water-cooled tube, a water inlet joint, a water outlet joint, a box body mounting beam, a mounting plate, a positioning column, a harmonica tube, a first corrugated tube, a second corrugated tube, a high polymer coating, a buffer layer and a water inlet joint, wherein the water outlet joint is arranged at 4, and the box body mounting beam is arranged at 5, 6, the mounting plate, 7, the positioning column, 8, the harmonica.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation. It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for descriptive convenience only.

As shown in fig. 1 to 3, a water-cooling structure for a new energy automobile comprises a first water-cooling pipe 1, a second water-cooling pipe 2, a water inlet joint 3 and a water outlet joint 4 which are arranged at two ends of the first water-cooling pipe 1, the water-cooling structure further comprises a harmonica pipe group which guides cold water led in by the water inlet joint 3 from the first water-cooling pipe 1 to the second water-cooling pipe 2 and flows back to the water outlet joint of the first water-cooling pipe 1, and two ends of the first water-cooling pipe 1 and two ends of the second water-cooling pipe 2 are respectively provided with a positioning installation mechanism which is connected with a battery box installation beam 5 in a positioning manner. This water-cooled tube mainly adopts lightweight material, and light in weight compromises energy density under the prerequisite that satisfies intensity and service function, satisfies current market demand, and the installation is convenient, and is succinct pleasing to the eye, the later maintenance of also being convenient for.

The positioning and installing mechanism comprises an installing plate 6 and a positioning and fastening assembly for positioning and connecting the installing plate 6 with the battery box body installing beam 4, and the installing plate 6 is arranged at the two ends of the first water-cooled tube 1 and the second water-cooled tube 2. Particularly, the mounting panel can be the welding board, welds the mounting panel respectively at the both ends of first water-cooled tube, and the mounting panel is welded respectively equally at the both ends of second water-cooled tube, through welded connection, promotes the steadiness of connection. The structure is simple and reliable, and the operability is strong.

For the convenience of location, location fastening components including locate on battery box installation roof beam 5 with mounting panel 6's mounting hole complex reference column 7, through the retaining member with mounting panel and location post locking fixed. The positioning column is preferably a stud, and the locking part is a locking nut. When the battery box body installation beam is specifically arranged, the battery box body installation beam comprises a first installation beam for installing a first water-cooling pipe and a second installation beam for installing a second water-cooling pipe, studs are arranged at corresponding positions of two ends of the first installation beam respectively, the installation plates at two ends of the first water-cooling pipe are convenient to position and assemble, and then the installation plates are locked and fixed through locking nuts. The corresponding positions of the two ends of the second mounting beam are also respectively provided with a stud, so that the mounting plates at the two ends of the second water-cooling pipe can be conveniently positioned and assembled.

Of course, the mounting plate and the mounting beam can be connected by a common bolt-nut connection mode. Specifically, the positioning and fastening assembly comprises a bolt and a nut, and the bolt penetrates through the mounting plate and the battery box body mounting beam to be matched and fastened with the nut.

In order to facilitate cooling and guiding cold water, the harmonica tube bank comprises at least two groups of harmonica tubes 8. The purpose of uniform flow distribution is achieved by designing the flow channels (the number and the cross section shape of the harmonica tubes), and the purpose of uniform flow velocity is further achieved, so that the battery box can quickly, effectively and uniformly dissipate heat. As shown in fig. 3, the cross-sectional view of the harmonica tube can satisfy the use function to the maximum extent by reasonably designing the wall thickness, the width, the height, the number of flow channels and the like, and also can consider the processing cost and the processing difficulty.

Adopt bolt erection joint among the above-mentioned water-cooling structure, for detachable connected mode, reduce the complexity of structure and guarantee the reliability of maintaining when guaranteeing the use function to reach higher price/performance ratio.

For better conveying cold water, the water inlet joint 3 is connected with the water inlet of the first water-cooling pipe 1 through a first corrugated pipe 9, and the water outlet joint 4 is connected with the water outlet of the first water-cooling pipe 2 through a second corrugated pipe 10.

As a further improvement, the first water-cooling tube 1, the second water-cooling tube 2 and the outer side of the harmonica tube group are provided with a high polymer coating 11. The high-molecular polymer coating can be sprayed on the outer sides of the first water-cooling tube, the second water-cooling tube 2 and the harmonica tube in a spraying mode. The high molecular polymer coating is preferably an epoxy resin anticorrosive coating, an epoxy resin ceramic anticorrosive coating or a polyurethane anticorrosive coating. Namely, the high molecular polymer coating is formed by spraying one of epoxy resin anticorrosive coating, epoxy resin ceramic anticorrosive coating and polyurethane anticorrosive coating. By adopting the structure, the acid and alkali resistance is improved, the resistance of the water cooling structure is further improved, and the service life is prolonged. The thickness of the sprayed high molecular polymer coating is between 0.5 and 2 mm.

In addition, the first water-cooling tube, the second water-cooling tube and the outer side of the harmonica tube group can also be provided with a buffer layer 12, wherein the buffer layer is preferably a polyurethane elastomer buffer layer, an aluminum foam buffer layer, a polyurethane foam buffer layer or a polystyrene foam buffer layer. The buffer layer can be manufactured by spraying or other processes.

The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims

1. The utility model provides a water-cooling structure for new energy automobile, includes first water-cooled tube, second water-cooled tube, locates the water supply connector and the water connectors at first water-cooled tube both ends, its characterized in that, water-cooling structure still includes the harmonica nest of tubes that leads to the leading-in cold water of water connectors from first cold water pipe direction second cold water pipe and backward flow to first water-cooled tube water connectors, the both ends of first water-cooled tube and second water-cooled tube all are equipped with the location installation mechanism of being connected with battery box installation roof beam location.

2. The water-cooling structure for the new energy automobile is characterized in that the positioning and mounting mechanism comprises a mounting plate and a positioning and fastening assembly for positioning and connecting the mounting plate and a battery box body mounting beam, and the mounting plate is arranged at both ends of the first water-cooling pipe and the second water-cooling pipe.

3. The water-cooling structure for the new energy automobile is characterized in that the positioning and fastening assembly comprises positioning columns which are arranged on the mounting beams of the battery box body and matched with the mounting holes of the mounting plate, and the mounting plate and the positioning columns are locked and fixed through locking pieces.

4. The water-cooling structure for the new energy automobile is characterized in that the positioning column is a stud, and the locking piece is a locking nut.

5. The water-cooling structure for the new energy automobile is characterized in that the positioning and fastening assembly comprises a bolt and a nut, and the bolt penetrates through the mounting plate and the battery box body mounting beam to be matched and fastened with the nut.

6. The water-cooling structure for the new energy automobile according to claim 1, wherein the harmonica tube bank includes at least two groups of harmonica tubes.

7. The water cooling structure for the new energy automobile according to claim 1, wherein the water inlet joint is connected with a water inlet of the first water cooling pipe through a first corrugated pipe, and the water outlet joint is connected with a water outlet of the first water cooling pipe through a second corrugated pipe.

8. The water-cooling structure for the new energy automobile according to claim 1, wherein a high polymer coating is provided on the outer sides of the first water-cooling tube, the second water-cooling tube and the harmonica tube group.

9. The water-cooling structure for the new energy automobile according to claim 8, wherein the high polymer coating is an epoxy resin anticorrosive coating, an epoxy resin ceramic anticorrosive coating or a polyurethane anticorrosive coating.

10. The water-cooling structure for the new energy automobile according to claim 1, wherein a polyurethane elastomer buffer layer, an aluminum foam buffer layer, a polyurethane foam buffer layer or a polystyrene foam buffer layer is arranged on the outer side of the first water-cooling pipe, the second water-cooling pipe or the harmonica pipe group.