CN210591361U

CN210591361U - Expansion kettle

Info

Publication number: CN210591361U
Application number: CN201921571733.5U
Authority: CN
Inventors: 何珣; 漆熙; 张旭晗
Original assignee: Singularity Automobile R & D Center Co Ltd
Current assignee: Singularity Automobile R & D Center Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-22
Anticipated expiration: 2029-09-20

Abstract

The utility model provides an expansion kettle, it is used for merging many water routes on the car, and it includes last hydroecium and lower hydroecium, go up hydroecium and lower hydroecium including a plurality of hydroeciums that correspond the setting each other, set up a plurality of baffles between a plurality of hydroeciums, set up the water service trough on the baffle, so that communicate each other between a plurality of hydroeciums, many water routes are located in the different hydroeciums, wherein, the lower hydroecium includes the lower plate and centers on the lower plate that the lower plate set up, lower plate and lower plate interconnect form semi-closed the lower hydroecium, the lower plate outside sets up the water injection pipe, the water injection pipe includes first water injection pipe, second water injection pipe and third water injection pipe. The utility model discloses an expansion kettle has adopted the structure of multi-chamber, merges the expansion tank in air conditioner warm braw water route, motor cooling water route, battery compartment cooling water route into the integral type structure.

Description

Expansion kettle

Technical Field

The utility model relates to a cooling system's for pure electric vehicles technical field especially relates to a technique of coolant liquid inflation kettle.

Background

The expansion kettle has the function of accommodating the expansion amount of system water, and simultaneously has the functions of constant pressure and water supplement for the system, so the expansion kettle plays an important role in a cooling system of a vehicle.

In the cooling system of the original fuel vehicle, only an engine cooling water path needs to use an expansion kettle. However, with the development of new energy vehicles, pure electric vehicles have been vigorously developed as their main power. The pure electric vehicle has higher requirements for a motor, an MCU (microprogrammed control unit), air conditioning warm air and particularly a battery heating and cooling system serving as a power source. As an important component in cooling systems, expansion kettles are an indispensable part.

In the existing design, a motor cooling water path, an air-conditioning warm air water path and a battery compartment cooling water path all need independent expansion kettles to meet the expansion requirement of cooling water in the system. However, in the arrangement process of the expansion kettle, the problem of insufficient space is often encountered. Meanwhile, with the subsidy of the state on the new energy automobile going back to the slope, the requirement of the automobile owner on the endurance mileage is continuously improved, and the requirement of the whole automobile on weight reduction is higher.

SUMMERY OF THE UTILITY MODEL

The utility model provides an expansion kettle can effectively solve above-mentioned problem, and it can reduce the space utilization as far as, reserves more spaces for other equipment, also can reduce whole weight simultaneously.

The utility model discloses a realize like this:

an expansion water kettle is used for combining a plurality of water paths on an automobile and comprises an upper water chamber and a lower water chamber, wherein the upper water chamber and the lower water chamber comprise a plurality of water chambers which are arranged correspondingly to each other, a plurality of partition plates are arranged among the water chambers, water passing grooves are formed in the partition plates so that the water chambers are communicated with each other, and the water paths are located in different water chambers; wherein, the lower water chamber includes the lower plate and centers on the lower plate that the lower plate set up, lower plate and lower plate interconnect form semi-confined the lower water chamber, the lower plate outside sets up the water injection pipe, the water injection pipe includes first water injection pipe, second water injection pipe and third water injection pipe.

Further, a plurality of water chambers are arranged on the inner side of the lower side plate, and each water chamber comprises a first water chamber, a second water chamber, a third water chamber, a fourth water chamber, a fifth water chamber and a sixth water chamber.

Further, a first partition plate is arranged between the first water chamber and the second water chamber, a second partition plate is arranged between the third water chamber and the fourth water chamber, and a third partition plate is arranged between the third water chamber and the fifth water chamber.

Furthermore, a first water passing groove is formed in the first partition plate, a second water passing groove is formed in the second partition plate, a third water passing groove is formed in the third partition plate, the first water passing groove enables the first water chamber and the second water chamber to be communicated, the second water passing groove enables the third water chamber and the fourth water chamber to be communicated with each other, and the third water passing groove enables the third water chamber and the fifth water chamber to be communicated with each other.

Further, a first double-layer partition plate is arranged between the first water chamber and the second water chamber and between the third water chamber and the fourth water chamber, and a second double-layer partition plate is arranged between the fifth water chamber and the sixth water chamber and between the fourth water chamber and the sixth water chamber.

Further, go up the hydroecium and include upper plate and epipleural, upper plate and epipleural interconnect form half confined go up the hydroecium, go up the epipleural inboard and set up a plurality of hydroeciums, a plurality of hydroeciums include first hydroecium, second hydroecium, third hydroecium, fourth hydroecium, fifth hydroecium and sixth hydroecium, go up a plurality of hydroeciums of hydroecium with a plurality of hydroeciums of lower hydroecium correspond each other.

Furthermore, a plurality of partition plates are arranged in the upper water chamber, and correspond to the first partition plate, the second partition plate and the third partition plate of the lower water chamber; a plurality of double-layer partition plates are arranged in the upper water chamber, and correspond to the first double-layer partition plate and the second double-layer partition plate of the lower water chamber; and a plurality of water passing grooves are formed in the partition plate of the upper water chamber, and correspond to the first water passing groove, the second water passing groove and the third water passing groove of the lower water chamber.

Further, the upper water chamber is provided with overflow ports, the overflow ports comprise a first group of overflow ports and a second group of overflow ports, the first group of overflow ports are arranged on the upper side plate, the second group of overflow ports are arranged on the upper bottom plate in a protruding mode, and a height difference is formed between the first group of overflow ports and the second group of overflow ports.

Furthermore, the first water chamber and the second water chamber of the lower water chamber and the first water chamber and the second water chamber of the upper water chamber form a first closed water chamber for containing motor cooling liquid; the second water chamber, the third water chamber and the fourth water chamber of the lower water chamber and the third water chamber, the fourth water chamber and the fifth water chamber of the upper water chamber form a second sealed chamber for containing battery cooling liquid; and the sixth water chamber of the upper water chamber and the sixth water chamber of the lower water chamber form a third closed cavity for containing air-conditioning cooling liquid.

The utility model discloses an expansion kettle has adopted the structure of multi-chamber, merges the expansion tank in air conditioner warm braw water route, motor cooling water route, battery compartment cooling water route into the integral type structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an expansion pot of the present invention;

FIG. 2 is a schematic view of the lower chamber of the expansion tank of FIG. 1;

FIG. 3 is a schematic front view of the downcomer chamber shown in FIG. 2;

FIG. 4 is a schematic view of another angular configuration of the downcomer chamber shown in FIG. 2;

FIG. 5 is a schematic front view of the upper water chamber shown in FIG. 1;

FIG. 6 is a rear view of the upper water chamber shown in FIG. 5;

fig. 7 is another angle structure view of the upper water chamber shown in fig. 5.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

At present, most new energy vehicles adopt independent expansion kettles to respectively meet respective requirements for a motor cooling water path, an air-conditioning warm air water path and a battery compartment cooling water path. The part adopts the mode that a motor cooling water path and an air-conditioning warm air water path are combined to adopt an expansion kettle. This scheme needs each expansion pot of independent design and supporting installing support to every expansion pot all need make injection mold alone, very big increase manufacturing cost. In the whole vehicle assembly process, a plurality of kettles need to be independently installed, so that the installation process and the assembly time are increased, and the efficiency is reduced.

The utility model relates to an integral expansion kettle, which is combined into an integral structure aiming at the problems of independent design and installation of the original expansion kettles. And the water chambers adopt a hollow structure, so that the influence of the temperature among the water chambers is avoided. The mounting bracket adopts the integral type design, and the kettle adopts buckle formula design with the mounting bracket, and easy to assemble reduces connection standard spare quantity, and furthest reduces whole weight.

Referring to fig. 1, the utility model provides an expansion kettle 100, it includes lower water chamber 10 and upper water chamber 20, lower water chamber 10 and upper water chamber 20 are respectively through whole injection moulding, and the mode of welding through ultrasonic welding is whole, compares original split type kettle design, and injection mold reduces to two sets by six sets, has reduced equipment and manufacturing cost.

Referring to fig. 2 and 4, the lower chamber 10 includes a lower plate 11 and a lower plate 12 disposed around the lower plate 11, wherein the lower plate 11 and the lower plate 12 are connected to each other to form a semi-closed lower chamber 10. The water injection pipes are provided outside the lower plate 12, and in the present embodiment, the number of the water injection pipes is three, and the three water injection pipes are a first water injection pipe 121, a second water injection pipe 122, and a third water injection pipe 123. A plurality of water chambers are disposed inside the lower plate 12, and in this embodiment, the number of the water chambers is six, and please refer to fig. 3, which shows a first water chamber 124, a second water chamber 125, a third water chamber 126, a fourth water chamber 127, a fifth water chamber 128, and a sixth water chamber 129. In which the first and

second water chambers

124 and 125 are aligned in a lateral direction, the third and

fourth water chambers

126 and 127 are aligned in a lateral direction, and the fifth and

sixth water chambers

128 and 129 are aligned in a lateral direction. The first, third and

fifth water chambers

124, 126 and 128 are arranged in a row in the longitudinal direction, and the second, fourth and

sixth water chambers

125, 127 and 129 are arranged in a row in the longitudinal direction.

Referring to fig. 4, a first partition plate 13 is disposed between the first water chamber 124 and the second water chamber 125, a second partition plate 14 is disposed between the third water chamber 126 and the fourth water chamber 127, and a third partition plate 15 is disposed between the third water chamber 126 and the fifth water chamber 128. The first partition plate 13 is provided with a first water passing groove 131, the second partition plate 14 is provided with a second water passing groove 141, and the third partition plate 15 is provided with a third water passing groove 151. The first water passage groove 131 allows the first water chamber 124 to communicate with the second water chamber 125, the second water passage groove 141 allows the third water chamber 126 to communicate with the fourth water chamber 127, and the third water passage groove 151 allows the third water chamber 126 to communicate with the fifth water chamber 128.

A first double-layer partition plate 16 is provided between the first and

second water chambers

124 and 125 and the third and

fourth water chambers

126 and 127, and a second double-layer partition plate 17 is provided between the fifth and

sixth water chambers

128 and 129 and between the fourth and

sixth water chambers

127 and 129.

The first double-layer partition plate 16 and the second double-layer partition plate 17 are both of a structure in which a hollow space is formed between the double-layer partition plates. Through the design of inside baffle structure, when can preventing the mutual seepage between each hydroecium, also played the effect of strengthening kettle shell structure intensity, avoided leading to the fact the welding badly because of kettle shell deformation. The internal partition board is of a hollow structure, and the change of the temperature of the water paths caused by the difference of the temperature among the water paths is prevented.

Further, the first water filling pipe 121 is disposed on the lower side plate 12 corresponding to the second water chamber 125, that is, the first water filling pipe 121 and the second water chamber 125 communicate with each other. The second water injection pipe 122 is provided on the lower side plate 12 corresponding to the sixth water chamber 129, that is, the second water injection pipe 122 and the sixth water chamber 129 communicate with each other. The third water injection pipe 123 is provided on the lower side plate 12 corresponding to the fifth water chamber 128, i.e., the third water injection pipe 123 and the fifth water chamber 128 communicate with each other.

In this embodiment, the first water injection pipe 121 is a motor coolant water injection pipe, the second water injection pipe 122 is a battery coolant water injection pipe, and the third water injection pipe 123 is an air conditioner coolant water injection pipe. The first water injection pipe 121, the second water injection pipe 122 and the third water injection pipe 123 are communicated with the cooling system, provide the cooling system with a supplementary cooling liquid, and transmit the pressure of the cooling system to the expansion tank 100.

Referring to fig. 5 and 7, the upper header 20 includes an upper bottom plate 21 and an upper side plate 22, and the upper bottom plate 21 and the upper side plate 22 are connected to each other to form a semi-closed upper header 20. The upper chamber 20 has a water injection pipe provided outside the upper plate 22, and in the present embodiment, the number of the water injection pipes is one, and the water injection pipe is a fourth water injection pipe 221. In the present embodiment, the fourth water injection pipe 221 is a battery coolant water injection pipe. A plurality of water chambers are disposed inside the upper plate 22, and in this embodiment, the number of the water chambers is six, and referring to fig. 6, the water chambers respectively correspond to the first water chamber 124, the second water chamber 125, the third water chamber 126, the fourth water chamber 127, the fifth water chamber 128, and the sixth water chamber 129 of the lower water chamber 10. The six water chambers of the upper water chamber 20 and the six water chambers of the lower water chamber 10 have the same structure and arrangement. That is, the upper water chamber 20 includes a first water chamber 224, a second water chamber 225, a third water chamber 226, a fourth water chamber 227, a fifth water chamber 228, and a sixth water chamber 229.

Further, a plurality of partition plates are arranged in the upper water chamber 20, in this embodiment, the number of the partition plates is three, and the three partition plates correspond to the first partition plate 13, the second partition plate 14 and the third partition plate 15 of the lower water chamber 10 one by one, and the three partition plates of the upper water chamber 20 and the three partition plates of the lower water chamber 10 have the same structure and arrangement.

Further, a plurality of double-layer partition plates are arranged in the upper water chamber 20, in this embodiment, the number of the double-layer partition plates is two, and the two double-layer partition plates correspond to the first double-layer partition plate 16 and the second double-layer partition plate 17 of the lower water chamber 10 one by one, and the two double-layer partition plates of the upper water chamber 20 and the two double-layer partition plates of the lower water chamber 10 have the same structure and arrangement.

Further, a plurality of water passing grooves are formed in the partition plate of the upper chamber 20, and in the present embodiment, the number of the water passing grooves is three, and the three water passing grooves correspond to the first water passing groove 131, the second water passing groove 141, and the third water passing groove 151 of the lower chamber 10 one by one, and the water passing grooves of the upper chamber 20 and the water passing grooves of the lower chamber 10 have the same structure and arrangement.

Referring to fig. 6, the difference between the upper chamber 20 and the lower chamber 10 is that the upper chamber 20 is provided with two sets of overflow ports, which are the first set of overflow ports 211 and the second set of overflow ports 212 in the present embodiment. The first group of overflow ports 211 are arranged on the upper side plate 22, the second group of overflow ports 212 are arranged on the upper bottom plate 21 in a protruding mode, a height difference is formed between the first group of overflow ports 211 and the second group of overflow ports 212, and in order to avoid the situation that the pressure of the cooling system is too high, cooling liquid flows out through different overflow ports, and therefore the pressure relief effect is achieved when the pressure is too high.

The following describes the assembly of the expansion tank 100 and the flow direction of each water path to integrate the motor cooling water path, the air conditioning warm air water path, and the battery compartment cooling water path. The lower water chamber 10 and the upper water chamber 20 are assembled into a whole, and the first water chamber 124 and the second water chamber 125 of the lower water chamber 10, and the first water chamber 224 and the second water chamber 225 of the upper water chamber 20 form a first closed water chamber for containing motor cooling liquid; the second, third and

fourth water chambers

125, 126 and 127 of the lower water chamber 10 and the third, fourth and

fifth water chambers

226, 227 and 228 of the upper water chamber 20 form a second sealed chamber for accommodating the battery coolant; the sixth water chamber 126 of the upper water chamber 10 and the sixth water chamber 229 of the lower water chamber 20 form a third closed chamber for accommodating the air-conditioning coolant. Generally, the coolant is higher than the MIN line shown in fig. 1 and lower than the MAX line, and when the coolant expands in volume in the heating state, in order to avoid the pressure in the cooling system from being too high, the coolant first passes through the first set of weirs 211 to directly flow out, and avoid the pressure from being too high, and if the coolant continues to expand, the coolant continues to flow out from the second set of weirs 212, and the pressure is prevented from being too high.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An expansion kettle, it is used for merging many water routes on the car, its characterized in that includes: the water supply device comprises an upper water chamber and a lower water chamber, wherein the upper water chamber and the lower water chamber comprise a plurality of water chambers which are arranged correspondingly to each other, a plurality of partition plates are arranged among the water chambers, water passing grooves are formed in the partition plates so that the water chambers are communicated with each other, and a plurality of water paths are positioned in different water chambers; wherein, the lower water chamber includes the lower plate and centers on the lower plate that the lower plate set up, lower plate and lower plate interconnect form semi-confined the lower water chamber, the lower plate outside sets up the water injection pipe, the water injection pipe includes first water injection pipe, second water injection pipe and third water injection pipe.

2. The expansion kettle as claimed in claim 1, wherein a plurality of water chambers are provided at an inner side of the lower side plate, and the plurality of water chambers include a first water chamber, a second water chamber, a third water chamber, a fourth water chamber, a fifth water chamber and a sixth water chamber.

3. The expansion tank of claim 2, wherein a first partition is provided between the first chamber and the second chamber, a second partition is provided between the third chamber and the fourth chamber, and a third partition is provided between the third chamber and the fifth chamber.

4. The expansion tank as claimed in claim 3, wherein said first partition plate is provided with a first water passing groove, said second partition plate is provided with a second water passing groove, said third partition plate is provided with a third water passing groove, said first water passing groove communicates said first and second water chambers, said second water passing groove communicates said third and fourth water chambers, and said third water passing groove communicates said third and fifth water chambers.

5. The expansion tank as claimed in claim 4, wherein a first double-layer partition is provided between the first and second chambers and the third and fourth chambers, a second double-layer partition is provided between the fifth and sixth chambers, and a second double-layer partition is provided between the fourth and sixth chambers.

6. The expansion kettle according to claim 5, wherein the upper water chamber comprises an upper bottom plate and an upper side plate, the upper bottom plate and the upper side plate are connected with each other to form a semi-closed upper water chamber, a plurality of water chambers are arranged inside the upper side plate, the plurality of water chambers comprise a first water chamber, a second water chamber, a third water chamber, a fourth water chamber, a fifth water chamber and a sixth water chamber, and the plurality of water chambers of the upper water chamber and the plurality of water chambers of the lower water chamber correspond to each other.

7. The expansion tank as claimed in claim 6, wherein a plurality of partitions are provided in the upper chamber, and the partitions correspond to the first, second and third partitions of the lower chamber; a plurality of double-layer partition plates are arranged in the upper water chamber, and correspond to the first double-layer partition plate and the second double-layer partition plate of the lower water chamber; and a plurality of water passing grooves are formed in the partition plate of the upper water chamber, and correspond to the first water passing groove, the second water passing groove and the third water passing groove of the lower water chamber.

8. The expansion tank as claimed in claim 6, wherein said upper chamber is provided with weirs comprising a first set of weirs provided on said upper side plate and a second set of weirs provided protruding from said upper bottom plate, said first set of weirs and said second set of weirs being formed with a height difference therebetween.

9. The expansion kettle of claim 6, wherein the first and second water chambers of the lower water chamber and the first and second water chambers of the upper water chamber form a first closed water chamber for containing motor coolant; the second water chamber, the third water chamber and the fourth water chamber of the lower water chamber and the third water chamber, the fourth water chamber and the fifth water chamber of the upper water chamber form a second sealed chamber for containing battery cooling liquid; and the sixth water chamber of the upper water chamber and the sixth water chamber of the lower water chamber form a third closed cavity for containing air-conditioning cooling liquid.