CN219638940U - Expansion tank, engine cooling system and vehicle - Google Patents
Expansion tank, engine cooling system and vehicle Download PDFInfo
- Publication number
- CN219638940U CN219638940U CN202321141821.8U CN202321141821U CN219638940U CN 219638940 U CN219638940 U CN 219638940U CN 202321141821 U CN202321141821 U CN 202321141821U CN 219638940 U CN219638940 U CN 219638940U
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- China
- Prior art keywords
- tank
- sub
- deaeration
- liquid
- expansion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001816 cooling Methods 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 230000001502 supplementing effect Effects 0.000 claims abstract description 28
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000007872 degassing Methods 0.000 claims description 16
- 238000004891 communication Methods 0.000 claims description 13
- 238000002637 fluid replacement therapy Methods 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims 1
- 239000000110 cooling liquid Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002826 coolant Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses an expansion tank, an engine cooling system and a vehicle, wherein the expansion tank comprises: the liquid supplementing sub-tank is connected in series in the cooling loop; the deaeration sub-tank is arranged on one side of the fluid supplementing sub-tank and is communicated with the fluid supplementing sub-tank, and the deaeration sub-tank is connected with the deaeration loop; and the pressure cover is arranged on the deaeration box, and the gas entering the deaeration box from the deaeration loop is discharged through the pressure cover. The utility model provides an expansion tank, an engine cooling system and a vehicle, and solves the technical problem that the existing expansion tank is inconvenient to arrange.
Description
Technical Field
The utility model relates to the technical field of engine cooling, in particular to an expansion tank, an engine cooling system and a vehicle.
Background
An expansion tank assembly for an automobile is a device for adjusting the pressure of an engine cooling system of the automobile, storing and compensating engine cooling liquid. The functional principle is as follows: when the system pressure of the cooling system is larger than a set value or the vacuum degree in the system reaches the set value, the valve corresponding to the expansion tank pressure cover is opened, and the system pressure is regulated to maintain the system at a proper pressure. The present expansion tank is usually connected to the main cooling circuit by a water replenishing pipe and a three-way pipe, and the cooling liquid is replenished to the main cooling circuit in the running process of the vehicle. However, for the new energy pure electric vehicle, the trend of the main cooling circuit is complex, and the expansion tank is inconvenient to arrange.
Disclosure of Invention
The utility model mainly aims to provide an expansion tank, an engine cooling system and a vehicle, and aims to solve the technical problem that the existing expansion tank is inconvenient to arrange.
To achieve the above object, an embodiment of the present utility model provides an expansion tank, including:
the liquid supplementing sub-tank is connected in series in the cooling loop;
the deaeration sub-tank is arranged on one side of the fluid supplementing sub-tank and is communicated with the fluid supplementing sub-tank, and the deaeration sub-tank is connected with the deaeration loop; and
and the pressure cover is arranged on the deaeration box, and the gas entering the deaeration box from the deaeration loop is discharged through the pressure cover.
Optionally, in an embodiment of the present utility model, the deaeration tank is provided with an air inlet, and the air inlet is connected with the deaeration circuit and is located below the liquid level of the liquid in the deaeration tank.
Optionally, in an embodiment of the present utility model, the air inlet is provided with an air inlet connector, and the air inlet connector is connected with the degassing circuit.
Optionally, in an embodiment of the present utility model, the fluid replacement sub-tank has a fluid inlet, and the fluid inlet is provided with a fluid inlet connector; and/or the liquid supplementing sub-tank is provided with a liquid outlet, and the liquid outlet is provided with a liquid outlet joint.
Optionally, in an embodiment of the present utility model, the fluid supplementing sub-tank and the degassing sub-tank are disposed adjacent to each other, and communicating holes are respectively provided on sides of the fluid supplementing sub-tank and the degassing sub-tank adjacent to each other to communicate the fluid supplementing sub-tank and the degassing sub-tank.
Optionally, in an embodiment of the present utility model, the communication hole is disposed at an end of the degassing tank near the pressure cover; and/or the pressure cover is arranged at the top of the degassing sub-tank.
Optionally, in an embodiment of the present utility model, the liquid replenishing sub-tank and the degassing sub-tank are integrally formed.
Optionally, in an embodiment of the present utility model, the expansion tank includes a tank body, a partition board is disposed in the tank body to divide the tank body into a liquid replenishing sub-tank and a gas removing sub-tank, and the communication hole is disposed in the partition board.
To achieve the above object, an embodiment of the present utility model proposes an engine cooling system including the expansion tank described above.
To achieve the above object, an embodiment of the present utility model proposes a vehicle including the engine cooling system described above.
Compared with the prior art, in the technical scheme provided by the utility model, the expansion tank comprises the liquid supplementing sub-tank and the gas removing sub-tank which are connected, the liquid supplementing sub-tank is connected in series in the cooling loop of the engine, and the liquid supplementing sub-tank directly participates in the circulation of cooling liquid in the cooling loop instead of serving as a water supplementing function, so that the arrangement of pipelines such as a tee joint and the like can be reduced, the occupied space is saved, the overall pipeline layout is more compact, and the convenience of the expansion tank in the installation layout is improved. Meanwhile, the expansion boxes can be synchronously arranged when the pipelines of the cooling loop are arranged, so that the convenience of arranging the expansion boxes is further improved. In addition, the deaeration tank is connected with the deaeration loop and is used for discharging gas in the cooling loop and reducing the pressure of the cooling loop. And the gas-liquid separation is used for realizing the discharge of gas in the gas-liquid separation, and the liquid supplementing sub-tank is used for participating in the cooling liquid circulation of the whole cooling circuit, and the gas discharge and the cooling liquid circulation are carried out in different cavities, so that the gas can be prevented from participating in the cooling liquid circulation process of the cooling circuit again in the process of gas discharge, and the gas discharge efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of an expansion tank according to the present utility model;
FIG. 2 is a schematic view of another angular configuration of an embodiment of the expansion tank of the present utility model.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | Liquid supplementing box | 2 | Degassing box |
| 3 | Pressure cover | 4 | Air inlet joint |
| 5 | Liquid inlet joint | 6 | Liquid outlet joint |
| 7 | Communication hole | 8 | Partition board |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present utility model without making any inventive effort, are intended to be within the scope of the embodiments of the present utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like in the embodiments of the present utility model are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is at least two, for example, two, three, etc., unless explicitly defined otherwise.
In embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be either fixedly attached, detachably attached, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the embodiments of the present utility model.
At present, most of cooling liquid supplementing devices used by pure electric vehicle types in the market are expansion water tanks or water overflow kettles, and are connected into a cooling loop through water supplementing pipes and T-shaped tee joints. It will be appreciated that a conventional expansion tank is typically disposed at the highest level in the cooling circuit of the vehicle, and a water make-up line is connected to the cooling circuit from a water make-up connection at the lower end of the expansion tank to supplement the cooling circuit with coolant as a bypass. However, for a pure electric vehicle, the trend of the cooling circuit is complex, and the difficulty of arranging the expansion tank is increased.
In view of this, this embodiment proposes an expansion tank, and the expansion tank includes the fluid replacement sub-tank and the deaeration sub-tank of connection, establishes ties the fluid replacement sub-tank in the cooling circuit of engine, directly participates in the circulation of coolant liquid in the cooling circuit, and is not as moisturizing function, can reduce the setting of pipelines such as tee bend, has saved occupation space, and overall pipeline's overall arrangement is compacter, improves the convenience when the expansion tank is installed the overall arrangement. In addition, the deaeration tank is connected with the deaeration loop and is used for discharging gas in the cooling loop and reducing the pressure of the cooling loop. And the gas-liquid separation is used for realizing the discharge of gas in the gas-liquid separation, and the liquid supplementing sub-tank is used for participating in the cooling liquid circulation of the whole cooling circuit, and the gas discharge and the cooling liquid circulation are carried out in different cavities, so that the gas can be prevented from participating in the cooling liquid circulation process of the cooling circuit again in the process of gas discharge, and the gas discharge efficiency is improved.
In order to better understand the above technical solutions, the following describes the above technical solutions in detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present utility model proposes an expansion tank, which includes:
the liquid supplementing sub-tank 1 is connected in series with the cooling loop;
the deaeration sub-tank 2 is arranged on one side of the fluid replacement sub-tank 1 and is communicated with the fluid replacement sub-tank 1, and the deaeration sub-tank 2 is connected with a deaeration loop; and
and a pressure cover 3 arranged on the deaeration tank 2, wherein the gas entering the deaeration tank 2 from the deaeration circuit is discharged through the pressure cover 3.
In the technical scheme adopted by the embodiment, the expansion tank is connected with the fluid replacement sub-tank 1 and the deaeration sub-tank 2, the fluid replacement sub-tank 1 is connected in series in the cooling loop of the engine, and directly participates in the circulation of cooling fluid in the cooling loop instead of serving as a water replacement function, so that the arrangement of pipelines such as a tee joint and the like can be reduced, the occupied space is saved, the layout of the whole pipeline is more compact, and the convenience of the expansion tank in installation is improved. Meanwhile, the expansion boxes can be synchronously arranged when the pipelines of the cooling loop are arranged, so that the convenience of arranging the expansion boxes is further improved. The deaeration tank 2 is connected to the deaeration circuit, and is configured to discharge the gas in the cooling circuit, thereby reducing the pressure in the cooling circuit. Moreover, the degassing sub-tank 2 is used for realizing gas discharge through gas-liquid separation, the fluid supplementing sub-tank 1 is used for participating in the cooling liquid circulation of the whole cooling circuit, and the gas discharge and the cooling liquid circulation are carried out in different cavities, so that the gas can be prevented from participating in the cooling liquid circulation process of the cooling circuit again during the gas discharge, and the gas discharge efficiency is improved.
Specifically, the expansion tank includes a fluid replenishing sub-tank 1, a degassing sub-tank 2, and a pressure cover 3. The liquid replenishing sub-tank 1 is connected in series with the cooling circuit, and can participate in the cooling liquid circulation of the whole cooling circuit, namely, the liquid replenishing sub-tank 1 is not used as bypass water replenishing, but directly participates in the cooling process of the engine. The deaeration tank 2 is connected with the liquid supplementing tank 1 and is connected with a deaeration loop, the gas-liquid mixture in the deaeration loop enters the deaeration tank 2, and the deaeration tank 2 performs gas-liquid separation, namely, the liquid in the gas-liquid mixture is converged into the cooling liquid in the deaeration tank 2, and the gas in the gas-liquid mixture floats on the liquid surface of the cooling liquid in the deaeration tank 2 under the action of buoyancy. When the gas pressure in the deaeration tank 2 reaches a preset value, the pressure cover 3 provided on the deaeration tank 2 is opened, thereby discharging the gas in the deaeration tank 2 into the atmosphere. In an embodiment, the preset value of the gas pressure may be set according to the actual use situation, which is not limited herein.
Alternatively, the fluid-supplementing sub-tank 1 is communicated with the deaerator sub-tank 2, so that the coolant in the fluid-supplementing sub-tank 1 and the deaerator sub-tank 2 can be supplemented to each other, and one of them is prevented from being deficient in coolant. It will be appreciated that when the coolant in the fluid replacement sub-tank 1 is insufficient, the coolant in the deaeration sub-tank 2 may be replaced into the fluid replacement sub-tank 1; when the coolant in the deaeration tank 2 is insufficient, the coolant in the make-up tank 1 may be replenished into the deaeration tank 2.
Illustratively, in one embodiment of the utility model, the deaerator tank 2 is provided with an air inlet connected to the deaeration circuit and located below the level of the liquid in the deaerator tank 2. Specifically, the deaeration tank 2 is provided with an air inlet, the deaeration loop is connected with the air inlet, and the gas-liquid mixture in the deaeration loop enters the deaeration tank 2 through the air inlet to carry out gas-liquid separation.
Illustratively, in one embodiment of the utility model, the air inlet is provided with an air inlet connection 4, the air inlet connection 4 being connected to the deaeration circuit. In order to facilitate the connection of the deaeration tank 2 and the deaeration circuit, an air inlet connector 4 is arranged at the air inlet, and the deaeration circuit is connected with the deaeration tank 2 through the air inlet connector 4. In one embodiment, the air inlet connector 4 is an air inlet pipe, and the air inlet pipe is sleeved with the degassing circuit. It will be appreciated that the air inlet connector 4 is sleeved outside the air removal circuit, or the air removal circuit is sleeved outside the air inlet connector 4, and the utility model is not limited in this regard. Preferably, in order to improve the tightness of the connection between the air inlet pipe and the degassing loop, a sealing ring can be arranged at the connection part of the air inlet pipe and the degassing loop.
Illustratively, in one embodiment of the present utility model, the fluid replacement sub-tank 1 has a fluid inlet provided with a fluid inlet connector 5; and/or the liquid supplementing sub-tank 1 is provided with a liquid outlet, and the liquid outlet is provided with a liquid outlet joint 6. Specifically, in order to facilitate connection of the fluid infusion tank 1 and the cooling circuit, a fluid inlet connector 5 and a fluid outlet connector 6 are provided. In one embodiment, the liquid inlet joint 5 is a liquid inlet pipe, and the liquid outlet joint 6 is a liquid outlet pipe.
Illustratively, in an embodiment of the present utility model, the liquid replenishing sub-tank 1 and the gas removing sub-tank 2 are disposed to be attached to each other, and communication holes 7 are provided at the sides of the liquid replenishing sub-tank 1 and the gas removing sub-tank 2 to be attached to each other, respectively, to communicate the liquid replenishing sub-tank 1 and the gas removing sub-tank 2. Therefore, the occupied space of the whole expansion tank is smaller, and the expansion tank is further convenient to arrange. Moreover, by providing the communication holes 7 on the side surfaces of the fluid replacement sub-tank 1 and the deaeration sub-tank 2, respectively, the fluid replacement sub-tank 1 and the deaeration sub-tank 2 can be conveniently communicated.
Illustratively, in an embodiment of the present utility model, the communication hole 7 is disposed at one end of the deaeration tank 2 near the pressure cover 3, so that the communication hole 7 is far away from the liquid level of the cooling liquid in the deaeration tank 2, and the gas-liquid mixture in the deaeration circuit is prevented from directly flowing into the liquid supplementing sub-tank 1 through the communication hole 7 to participate in the cooling liquid circulation after entering the deaeration tank 2, thereby improving the deaeration effect; and/or the pressure cover 3 is provided on top of the degassing sub-tank 2.
Illustratively, in an embodiment of the present utility model, the liquid replenishing sub-tank 1 and the gas removing sub-tank 2 are integrally formed, so that the production process can be simplified and the production efficiency can be improved.
Illustratively, in an embodiment of the present utility model, the expansion tank includes a tank body, a partition 8 is provided in the tank body to divide the tank body into the liquid replenishing sub-tank 1 and the gas removing sub-tank 2, and a communication hole 7 is provided in the partition 8, so that the liquid replenishing sub-tank 1 and the gas removing sub-tank 2 can be conveniently formed.
To achieve the above object, an embodiment of the present utility model proposes an engine cooling system including the expansion tank described above. Specifically, the specific structure of the expansion tank refers to the above embodiment, and since the engine cooling system adopts all the technical solutions of the above embodiment, at least has all the beneficial effects brought by the technical solutions of the above embodiment. Preferably, the engine cooling system is used to cool an electric engine.
To achieve the above object, an embodiment of the present utility model proposes a vehicle including the engine cooling system described above. Specifically, the specific structure of the engine cooling system refers to the above embodiment, and since the vehicle adopts all the technical solutions of the above embodiment, at least the vehicle has all the beneficial effects brought by the technical solutions of the above embodiment, and will not be described in detail herein. In one embodiment, the vehicle is an electric vehicle.
The foregoing description is only the preferred embodiments of the present utility model, and is not intended to limit the scope of the embodiments of the present utility model, and all the equivalent structural changes made by the descriptions of the embodiments of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the embodiments of the present utility model.
Claims (10)
1. An expansion tank, characterized in that it comprises:
the liquid supplementing sub-tank is connected in series in the cooling loop;
the deaeration sub-tank is arranged on one side of the fluid supplementing sub-tank and is communicated with the fluid supplementing sub-tank, and the deaeration sub-tank is connected with the deaeration loop; and
and the pressure cover is arranged on the deaeration box, and the gas entering the deaeration box from the deaeration loop is discharged through the pressure cover.
2. The expansion tank of claim 1, wherein the deaeration tank is provided with an air inlet connected to the deaeration circuit and located below the level of the liquid in the deaeration tank.
3. An expansion tank according to claim 2, wherein the air inlet is provided with an air inlet connection, which air inlet connection is connected to the deaeration circuit.
4. The expansion tank of claim 1, wherein the fluid replacement sub-tank has a fluid inlet provided with a fluid inlet connector; and/or the liquid supplementing sub-tank is provided with a liquid outlet, and the liquid outlet is provided with a liquid outlet joint.
5. The expansion tank according to claim 1, wherein the liquid replenishing sub tank and the gas removing sub tank are provided in contact with each other, and communication holes are provided in the sides of the liquid replenishing sub tank and the gas removing sub tank in contact with each other, respectively, so as to communicate the liquid replenishing sub tank and the gas removing sub tank.
6. The expansion tank as recited in claim 5, wherein said communication hole is provided at an end of said deaeration tank adjacent to said pressure cap; and/or the pressure cover is arranged at the top of the degassing sub-tank.
7. The expansion tank of claim 5, wherein the make-up sub-tank and the degassing sub-tank are of unitary construction.
8. The expansion tank of claim 7, wherein the expansion tank includes a tank body, a partition plate is provided in the tank body to divide the tank body into a liquid replenishing sub tank and a gas removing sub tank, and the communication hole is provided in the partition plate.
9. An engine cooling system comprising an expansion tank according to any of claims 1-8.
10. A vehicle comprising the engine cooling system of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141821.8U CN219638940U (en) | 2023-05-10 | 2023-05-10 | Expansion tank, engine cooling system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141821.8U CN219638940U (en) | 2023-05-10 | 2023-05-10 | Expansion tank, engine cooling system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219638940U true CN219638940U (en) | 2023-09-05 |
Family
ID=87808204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321141821.8U Active CN219638940U (en) | 2023-05-10 | 2023-05-10 | Expansion tank, engine cooling system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219638940U (en) |
-
2023
- 2023-05-10 CN CN202321141821.8U patent/CN219638940U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |