CN209980117U

CN209980117U - Voltage controller structure for new energy automobile

Info

Publication number: CN209980117U
Application number: CN201921124432.8U
Authority: CN
Inventors: 丁文金; 李丹; 石小康
Original assignee: Zhejiang Kaiji Automobile Spare Parts Manufacture Co Ltd
Current assignee: Zhejiang Kaiji Automobile Spare Parts Manufacture Co Ltd
Priority date: 2019-07-13
Filing date: 2019-07-13
Publication date: 2020-01-21
Anticipated expiration: 2029-07-13

Abstract

The utility model discloses a voltage controller structure for new energy automobile, including main part and water inlet, the connecting block is all installed at both ends around the main part bottom, and the inside of connecting block is provided with the mounting hole, the water inlet includes that first box corresponds interface 2a and first prefabricated bamboo joint connects 2b, and the water inlet is located the middle part of main part front end, first box corresponds interface 2 a's inside and runs through there is first prefabricated bamboo joint connects 2 b. The utility model discloses simple structure, part are small in quantity, adopt sealed glue and interference fit's double sealing, have improved the reliability of sealed and mechanical connection, the large-scale production of being convenient for, and need not the later maintenance, can effectively deal with in the on-vehicle application to the requirement of resistant vibration and impact, in new energy automobile's development from now on, to the inlet outlet that needs to use the on-vehicle components and parts of cooling circulation circuit, realized profitable kind and supply and function extension.

Description

Voltage controller structure for new energy automobile

Technical Field

The utility model relates to a new energy automobile technical field specifically is a voltage controller structure for new energy automobile.

Background

With the development of new energy vehicles, such as pure electric vehicles and hydrogen fuel cell vehicles, various power controllers, such as a main DC-DC converter (DC boost converter), a main motor controller, an auxiliary DC-DC converter (DC buck converter), a hydrogen fuel cell, a power cell, a hydrogen fuel cell auxiliary air compressor and its controller, etc., are used in the new energy vehicles, and the heat generation and heat dissipation requirements of a single machine or a single body are increased due to the increase of power density. At present, the water-cooling heat dissipation mode in the device replaces the air-cooling heat dissipation mode in a large range.

At present, cooling loop interfaces of various products of new energy automobiles are mainly divided into: 1) a flange type; 2) a cutting sleeve type; 3) bamboo joint head type; 4) and (4) a chuck type. The connection mode of the joint and the body mainly comprises the following steps: the welding type of the joint and the body is abbreviated as follows: 1) welding; 2) the joint and the body are integrally processed, and the following formula is abbreviated as follows: 3) an integral processing mode; the joint and the body are assembled in a split mode, such as a flange connection mode. In the scheme, the bamboo joint head type interface is taken as an example, and the advantages and disadvantages of the existing three connection modes such as a welding type connection mode, an integrally processing type connection mode and a flange connection mode are respectively compared. The above connection method has the following disadvantages: 1) the process is complex, such as welding and integration; 2) the processing cost is high, such as integral type; 3) the manufacturing is complicated, the number of parts is large, and the leakage risk exists in the use, such as a split assembly type; 4) is not suitable for mass production.

In summary, there is a need to develop a cooling circuit structure and a process for implementing the same, which have the characteristics of mass production adaptability, low cost, simple manufacturing and installation, no leakage, high reliability and the like, so as to meet the application requirements of heat dissipation in new energy vehicles.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a voltage controller structure for new energy automobile to it has following shortcoming to propose current connected mode in the above-mentioned background art to solve: 1) the process is complex, such as welding and integration; 2) the processing cost is high, such as integral type; 3) the manufacturing is complicated, the number of parts is large, and the leakage risk exists in the use, such as a split assembly type; 4) is not suitable for mass production.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a voltage controller structure for new energy automobile, includes main part and water inlet, the connecting block is all installed at both ends around the main part bottom, and the inside of connecting block is provided with the mounting hole, the water inlet includes that first box corresponds interface 2a and first prefabricated bamboo joint pipe connector 2b, and the water inlet is located the middle part of main part front end, first box corresponds interface 2 a's inside and runs through there is first prefabricated bamboo joint pipe connector 2b, the delivery port is installed to one side top of water inlet, and the delivery port includes that the second box corresponds interface 4a and the prefabricated bamboo joint pipe connector 4b of second, the second box corresponds interface 4 a's inside and runs through there is the prefabricated bamboo joint pipe connector 4b of second.

Preferably, the main body and the connecting blocks are welded, and the connecting blocks are symmetrically distributed around the central axis of the main body.

Preferably, the mounting holes are symmetrically distributed about a central axis of the connecting block, and the cross section of the connecting block is in an L-shaped structure.

Preferably, the first box body is in threaded connection with the main body corresponding to the interface 2a, the first prefabricated bamboo joint pipe connector 2b penetrates through the first box body corresponding to the inside of the interface 2a, and the first prefabricated bamboo joint pipe connector 2b is in a hollow cylindrical structure.

Preferably, the corresponding connector 4a of the second box body is in threaded connection with the main body, the second prefabricated bamboo joint pipe connector 4b penetrates through the corresponding connector 4a of the second box body, and the second prefabricated bamboo joint pipe connector 4b is in a hollow cylindrical structure.

Compared with the prior art, the beneficial effects of the utility model are as follows: the double-sealing device has a simple structure and a small number of parts, adopts double sealing of sealing glue and interference fit, improves the reliability of sealing and mechanical connection, is convenient for large-scale production, does not need later maintenance, can effectively meet the requirements on vibration resistance and impact resistance in vehicle-mounted application, and realizes beneficial type supplement and function expansion aiming at the water inlet and the water outlet of a vehicle-mounted component needing a cooling circulation loop in the development of new energy vehicles in future;

1. the utility model is provided with the connecting block, the welding connection mode can effectively enhance the stability between the main body and the connecting block, so that the connecting block can effectively bear the traction force of the main body, and the L-shaped structure of the connecting block can separate a certain distance between the mounting hole and the main body, so that a user can easily penetrate the screw into the mounting hole, and the main body can be mounted to a proper position;

2. the utility model discloses be provided with first box and correspond interface 2a and first prefabricated bamboo joint coupling 2b, sealed glue and interference fit through the cooperation, guaranteed the leakproofness of being connected and the reliability between mouth of a river and the box, effectively reduced the quantity of cooperation part, the movable spare part quantity that needs to maintain in later stage is zero, has reduced and has revealed the risk, its mounting means is simple, reliable, easy going to and can effectively reduce the quantity of cooperation part, production implementation cost has been reduced.

Drawings

Fig. 1 is a schematic structural view of a flange connection type water gap of the present invention;

FIG. 2 is a schematic view of a welded nozzle structure of the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic sectional view of the position A of the present invention;

FIG. 5 is a schematic sectional view of the position B of the present invention;

fig. 6 is a schematic diagram of a partial explosion structure in the present invention.

In the figure: 1. a main body; 2. a water inlet; 2a, the first box body corresponds to an interface; 2b, a first prefabricated bamboo joint pipe joint; 3. connecting blocks; 4. a water outlet; 4a, the second box body corresponds to the interface; 4b, second prefabricated bamboo joint pipe joints; 5. and (7) installing holes.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a voltage controller structure for a new energy automobile comprises a main body 1 and a water inlet 2, wherein the front end and the rear end of the bottom of the main body 1 are both provided with a connecting block 3, and the connecting blocks 3 are internally provided with mounting holes 5, the main body 1 and the connecting blocks 3 are welded, and the connecting blocks 3 are symmetrically distributed around the central axis of the main body 1, the welding connection mode can effectively enhance the stability between the main body 1 and the connecting blocks 3, so that the connecting blocks 3 can effectively bear the traction force of the main body 1, the mounting holes 5 are symmetrically distributed around the central axis of the connecting blocks 3, and the cross section of the connecting block 3 is designed into an L-shaped structure, the L-shaped structure of the connecting block 3, the mounting hole 5 is spaced from the main body 1 by a certain distance, so that a user can easily insert a screw into the mounting hole 5, and the main body 1 can be mounted at a proper position;

the water inlet 2 comprises a first box corresponding interface 2a and a first prefabricated bamboo joint connector 2b, the water inlet 2 is positioned in the middle of the front end of the main body 1, the first box corresponding interface 2a is in threaded connection with the main body 1, the first prefabricated bamboo joint connector 2b penetrates through the first box corresponding interface 2a, the first prefabricated bamboo joint connector 2b is in a hollow cylindrical structure, the first prefabricated bamboo joint connector 2b is in interference fit connection with the first box corresponding interface 2a, before the interference fit connection, special matching sealant is coated on relevant interference fit surfaces in advance, when the interference fit connection is carried out, a hydraulic tool is pressed in at the outer end of the first prefabricated bamboo joint connector 2b, the interference tolerance fit length of the first prefabricated bamboo joint connector 2b and the first box corresponding interface 2a is accurately controlled, and the first prefabricated bamboo joint connector 2b is in interference fit with the first box corresponding interface 2a through the matching sealant, the connection sealing performance and reliability between the water gap and the box body are ensured, the number of matched parts is effectively reduced, the number of movable parts and parts needing to be maintained at the later stage is zero, the leakage risk is reduced, the installation mode is simple, reliable and easy to implement, the number of matched parts can be effectively reduced, and the production implementation cost is reduced;

first box corresponds interface 2 a's inside and runs through and has first prefabricated bamboo joint pipe joint 2b, delivery port 4 is installed to one side top of water inlet 2, and delivery port 4 includes that the second box corresponds interface 4a and the prefabricated bamboo joint pipe joint 4b of second, the second box corresponds and is threaded connection between interface 4a and the main part 1, and the prefabricated bamboo joint pipe joint 4b of second runs through in the inside that the second box corresponds interface 4a, and the inside of the prefabricated bamboo joint pipe joint 4b of second is hollow cylindrical structure, the inside that the second box corresponds interface 4a runs through and has the prefabricated bamboo joint pipe joint 4b of second.

The working principle is as follows: when the voltage controller structure for the new energy automobile is used, firstly, the connecting block 3 and the main body 1 are welded, and then, the mounting hole 5 and the main body 1 are separated by a certain distance through the connecting block 3, so that a user can easily penetrate a screw into the mounting hole 5, and the main body 1 can be mounted to a proper position;

finally, the first prefabricated bamboo joint pipe connector 2b is connected with the corresponding interface 2a of the first box body in an interference fit mode, before the interference fit connection, special fit sealant is coated on the relevant interference fit surface in advance, when the interference fit connection is carried out, a hydraulic tool is pressed in the outer end of the first prefabricated bamboo joint pipe connector 2b, the interference tolerance fit length of the first prefabricated bamboo joint pipe connector 2b and the corresponding interface 2a of the first box body is accurately controlled, the corresponding interface 4a of the second box body and the corresponding interface 4b of the second prefabricated bamboo joint pipe connector adopt the measures, and therefore the working principle of the voltage controller structure for the new energy automobile is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a voltage controller structure for new energy automobile, includes main part (1) and water inlet (2), its characterized in that: connecting block (3) are all installed at both ends around main part (1) bottom, and the inside of connecting block (3) is provided with mounting hole (5), water inlet (2) correspond interface (2a) and first prefabricated bamboo joint pipe connector (2b) including first box, and water inlet (2) are located the middle part of main part (1) front end, first box corresponds the inside of interface (2a) and runs through first prefabricated bamboo joint pipe connector (2b), delivery port (4) are installed to one side top of water inlet (2), and delivery port (4) correspond interface (4a) and the prefabricated bamboo joint pipe connector of second (4b) including the second box, the inside that the second box corresponds interface (4a) runs through has the prefabricated bamboo joint pipe connector of second (4 b).

2. The voltage controller structure for the new energy automobile according to claim 1, characterized in that: the main body (1) and the connecting blocks (3) are welded, and the connecting blocks (3) are symmetrically distributed about the central axis of the main body (1).

3. The voltage controller structure for the new energy automobile according to claim 1, characterized in that: the mounting holes (5) are symmetrically distributed about the central axis of the connecting block (3), and the cross section of the connecting block (3) is of an L-shaped structure.

4. The voltage controller structure for the new energy automobile according to claim 1, characterized in that: the first box body corresponds for threaded connection between interface (2a) and main part (1), and first prefabricated bamboo joint coupling (2b) run through in the inside that first box body corresponds interface (2a) to the inside of first prefabricated bamboo joint coupling (2b) is hollow cylindrical structure.

5. The voltage controller structure for the new energy automobile according to claim 1, characterized in that: the second box body corresponds and is threaded connection between interface (4a) and main part (1), and prefabricated bamboo joint coupling (4b) of second runs through in the inside that the second box body corresponds interface (4a), and the inside of prefabricated bamboo joint coupling (4b) of second is hollow cylindrical structure.