CN215907947U - Expansion kettle and new energy automobile cooling system - Google Patents
Expansion kettle and new energy automobile cooling system Download PDFInfo
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- CN215907947U CN215907947U CN202121462474.XU CN202121462474U CN215907947U CN 215907947 U CN215907947 U CN 215907947U CN 202121462474 U CN202121462474 U CN 202121462474U CN 215907947 U CN215907947 U CN 215907947U
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- 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses an expansion kettle and a new energy automobile cooling system, wherein the expansion kettle comprises a first kettle body and a second kettle body which are connected into a whole; a first cavity is arranged in the first kettle body, and a first liquid level indicating device for indicating the liquid level in the first cavity is arranged on the first kettle body; the second kettle body is internally provided with a second cavity, and the second kettle body is provided with a second liquid level indicating device for indicating the liquid level in the second cavity. The expansion kettle is provided with two cavities which are respectively connected with the driving cooling loop and the battery cooling loop, so that the driving cooling loop and the battery cooling loop can be independently controlled, and the stability of a cooling system of the new energy automobile is improved; and two cavities are independently provided with corresponding liquid level indicating devices, so that the liquid levels in the two cavities can be indicated according to the characteristics of the driving cooling loop and the battery cooling loop.
Description
Technical Field
The application relates to the technical field of new energy vehicles, in particular to an expansion kettle and a new energy vehicle cooling system.
Background
The expansion kettle is an important component of an automobile heat management system, is connected with a cooling loop, and has the functions of liquid supplementing, air exhausting and the like. When the cooling liquid in the cooling loop is insufficient, the cooling loop can be supplemented by the cooling liquid stored in the expansion kettle; when the cooling liquid in the cooling loop is too much or the pressure is too high, the redundant cooling liquid and gas can be discharged into the expansion kettle, so that the whole thermal management system is protected and works normally.
With the popularization of new energy vehicles, because the drive system and the battery are subjected to thermal management simultaneously in the new energy vehicles, and the temperature, the pressure, the flow and the like of cooling liquid in the drive cooling loop and the battery cooling loop are different during working, the expansion kettle only provided with one cavity can enable the cooling liquid in the two cooling loops to meet at present, and the normal work of the two cooling loops is affected. Therefore, it is required to provide an expansion tank and a new energy automobile cooling system which have two cavities and realize separate management of two cooling loops.
SUMMERY OF THE UTILITY MODEL
The utility model provides an aim at overcome among the prior art that the expansion kettle of a cavity connects two cooling circuit simultaneously and can cause the not enough of influence to two cooling circuit, provides one kind and has two cavities, realizes the expansion kettle and the new energy automobile cooling system of separately managing to two cooling circuit.
The technical scheme of the application provides an expansion kettle, which comprises a first kettle body and a second kettle body which are connected into a whole;
a first cavity is arranged in the first kettle body, and a first liquid level indicating device for indicating the liquid level in the first cavity is arranged on the first kettle body;
the second kettle body is internally provided with a second cavity, and the second kettle body is provided with a second liquid level indicating device for indicating the liquid level in the second cavity.
Furthermore, the first liquid level indicating device comprises a first liquid level sensor, a detection end of the first liquid level sensor extends into the first cavity, and an output end of the first liquid level sensor extends out of the top of the first kettle body;
the second liquid level indicating device comprises a second liquid level sensor, a detection end of the second liquid level sensor extends into the second cavity, and an output end of the second liquid level sensor extends out of the top of the second kettle body.
Further, the first liquid level indicating device further comprises a first highest liquid level indicating line and a first lowest liquid level indicating line, the first highest liquid level indicating line is used for indicating the allowable highest liquid level in the first cavity, and the first lowest liquid level indicating line is used for indicating the allowable lowest liquid level in the first cavity;
the second liquid level indicating device further comprises a second highest liquid level indicating line and a second lowest liquid level indicating line, the second highest liquid level indicating line is used for indicating the allowable highest liquid level in the second cavity, and the second lowest liquid level indicating line is used for indicating the allowable lowest liquid level in the second cavity.
Furthermore, a first fluid infusion port communicated with the first cavity is formed in the first kettle body, and extends out of the bottom of the first kettle body;
the second kettle body is provided with a second fluid infusion port communicated with the second cavity, and the second fluid infusion port extends out of the bottom of the second kettle body.
Further, the first fluid infusion port extends out from the bottom of the first kettle body along a first direction;
the second fluid infusion port extends from the bottom of the second kettle body along a second direction perpendicular to the first direction.
Furthermore, a first water injection port communicated with the first cavity is formed in the first kettle body, and a first pressure cover is detachably covered on the first water injection port;
the second kettle body is provided with a second water injection port communicated with the second cavity, and a second pressure cover is detachably covered on the second water injection port.
Further, a first air outlet is formed in the top of the first kettle body and communicated with the first cavity;
and a second air outlet is formed in the top of the second kettle body and communicated with the second cavity.
Furthermore, the expansion kettle also comprises a first mounting lug, a second mounting lug and a third mounting lug;
the first mounting lug is connected to the outer wall of the first kettle body, the second mounting lug is connected to the outer wall of the second kettle body, and the third mounting lug is connected to the outer wall of the joint of the first kettle body and the second kettle body.
The technical scheme of the application also provides a new energy automobile cooling system, which comprises a driving cooling loop, a battery cooling loop and the expansion kettle;
the first kettle body of the expansion kettle is connected with the battery cooling loop, and the battery cooling loop is communicated with the first cavity;
the second kettle body of the expansion kettle is connected with the driving cooling loop, and the driving cooling loop is communicated with the second cavity.
Furthermore, a first fluid infusion port communicated with the first cavity is formed in the first kettle body, and a second fluid infusion port communicated with the second cavity is formed in the second kettle body;
the battery cooling loop is connected with the first liquid supplementing port, and the driving cooling loop is connected with the second liquid supplementing port.
After adopting above-mentioned technical scheme, have following beneficial effect:
the expansion kettle is provided with two cavities which are respectively connected with the driving cooling loop and the battery cooling loop, so that the driving cooling loop and the battery cooling loop can be independently controlled;
and two cavities are independently provided with corresponding liquid level indicating devices, so that the liquid levels in the two cavities can be indicated according to the characteristics of the driving cooling loop and the battery cooling loop.
Drawings
The disclosure of the present application will become more readily understood by reference to the drawings. It should be understood that: these drawings are for illustrative purposes only and are not intended to limit the scope of the present application. In the figure:
FIG. 1 is a front view of an expansion tank according to an embodiment of the present application;
fig. 2 is a perspective view of the expanded water from the back view in an embodiment of the present application.
Reference symbol comparison table:
the liquid level measuring device comprises a first kettle body 11, a first liquid level sensor 12, a first highest liquid level indicating line 13, a first lowest liquid level indicating line 14, a first liquid supplementing port 15, a first pressure cover 16 and a first air outlet 17;
the second kettle body 21, the second liquid level sensor 22, a second highest liquid level indicating line 23, a second lowest liquid level indicating line 24, a second liquid supplementing port 25, a second pressure cover 26 and a second air outlet 27;
a first mounting ear 31, a second mounting ear 32, a third mounting ear 33.
Detailed Description
Embodiments of the present application are further described below with reference to the accompanying drawings.
It is easily understood that according to the technical solutions of the present application, those skilled in the art can substitute various structures and implementations without changing the spirit of the present application. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present application, and should not be construed as limiting or restricting the technical solutions of the present application in their entirety.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Throughout the description of the present application, it is to be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "coupled" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The foregoing is to be understood as belonging to the specific meanings in the present application as appropriate to the person of ordinary skill in the art.
An expansion kettle:
the expansion kettle in the embodiment of the application, as shown in fig. 1 and 2, comprises a first kettle body 11 and a second kettle body 21 which are connected into a whole;
a first cavity (not shown) is arranged in the first pot 11, and a first liquid level indicating device for indicating the liquid level in the first cavity is arranged on the first pot 11;
a second cavity (not shown) is arranged in the second pot body 21, and a second liquid level indicating device for indicating the liquid level in the second cavity is arranged on the second pot body 21.
Specifically, the first pot body 11 and the second pot body 21 are arranged adjacently and integrally formed, and the first cavity and the second cavity are adjacent but not communicated with each other, so that the space of the expansion kettle is saved and the two cavities are mutually independent.
The first cavity and the second cavity respectively indicate the liquid level of the cooling liquid through a first liquid level indicating device and a second liquid level indicating device, the first liquid level indicating device and the second liquid level indicating device are arranged according to the characteristics of connected cooling loops, and a user respectively controls the liquid level of the cooling liquid in the first kettle body 11 and the second kettle body 21 according to the first liquid level indicating device and the second liquid level indicating device, so that the two cooling loops can work in a better state.
Further, the first liquid level indicating device comprises a first liquid level sensor 12, a detection end of the first liquid level sensor 12 extends into the first cavity, and an output end of the first liquid level sensor 12 extends out of the top of the first kettle body 11;
the second liquid level indicating device comprises a second liquid level sensor 22, a detection end of the second liquid level sensor 22 extends into the second cavity, and an output end of the second liquid level sensor 22 extends out of the top of the second kettle body 21.
The first liquid level sensor 12 and the second liquid level sensor 22 respectively detect the liquid levels in the first cavity and the second cavity to obtain the real-time liquid levels in the first cavity and the second cavity. The first liquid level sensor 12 and the second liquid level sensor 22 can be connected to a vehicle running computer, and when the liquid level data in the first cavity or the second cavity is lower than a set range, an alarm is given out to remind a user of adding cooling liquid into the expansion kettle.
Further, the first liquid level indicating device further comprises a first highest liquid level indicating line 13 and a first lowest liquid level indicating line 14, the first highest liquid level indicating line 13 is used for indicating the allowable highest liquid level in the first cavity, and the first lowest liquid level indicating line 14 is used for indicating the allowable lowest liquid level in the first cavity;
the second liquid level indicating means further comprises a second highest liquid level indicating line 23 and a second lowest liquid level indicating line 24, the second highest liquid level indicating line 23 being adapted to indicate an allowed highest liquid level in the second chamber and the second lowest liquid level indicating line 24 being adapted to indicate an allowed lowest liquid level in the second chamber.
Particularly, the expansion kettle is formed by integrally injection molding a PP (polypropylene) material, the kettle body is in a transparent or semitransparent state, and the liquid level of the cooling liquid inside the kettle body can be observed through the kettle body. The first highest liquid level indicating line 13 and the first lowest liquid level indicating line 14 are marked on the outer wall of the first kettle body 11, the second highest liquid level indicating line 23 and the second lowest liquid level indicating line 24 are marked on the outer wall of the second kettle body 21, the indication lines can be marked in a paint spraying mode, and the indication lines and the marked characters can be injection-molded into convex lines.
The first kettle body 11 is used for being connected with a battery cooling loop, and a first highest liquid level indicating line 13 and a first lowest liquid level indicating line 14 are arranged according to the temperature control requirement of the battery cooling loop; the second kettle body 21 is used for connecting a driving cooling loop, and a second highest liquid level indicating line 23 and a second lowest liquid level indicating line 24 are arranged according to the temperature control requirement of the driving cooling loop. As shown in fig. 1, the first highest liquid level indicating line 13 and the first lowest liquid level indicating line 14 are different from the second highest liquid level indicating line 23 and the second lowest liquid level indicating line 24 in the pot body.
Furthermore, a first fluid infusion port 15 communicated with the first cavity is formed in the first pot 11, and the first fluid infusion port 15 extends out of the bottom of the first pot 11;
the second pot 21 is provided with a second fluid infusion port 25 communicated with the second cavity, and the second fluid infusion port 25 extends from the bottom of the second pot 21.
Specifically, the first fluid infusion port 15 is used for connecting a battery cooling circuit, and the second fluid infusion port 25 is used for connecting a driving cooling circuit. The first liquid supplementing port 15 and the second liquid supplementing port 25 are respectively arranged at the bottoms of the first kettle body 11 and the second kettle body 21, and when the driving cooling loop or the battery cooling loop needs to be supplemented with cooling liquid, the cooling liquid in the expansion kettle can flow out under the action of gravity to supplement the driving cooling loop or the battery cooling loop.
Further, the first fluid infusion port 15 extends from the bottom of the first pot 11 along a first direction;
the second fluid infusion port 25 extends from the bottom of the second pot 21 along a second direction perpendicular to the first direction.
As shown in figure 2, the first fluid infusion port 15 extends from the bottom of the first pot 11 vertically downwards, the second fluid infusion port 25 extends from the bottom of the second pot 21 horizontally, and the extending directions of the first fluid infusion port 15 and the second fluid infusion port 25 are vertical, so that pipelines connected to the two fluid infusion ports can be arranged in a staggered mode and cannot influence each other.
Further, a first water injection port communicated with the first cavity is arranged on the first kettle body 11, and a first pressure cover 16 is detachably covered on the first water injection port;
the second kettle body 21 is provided with a second water filling port communicated with the second cavity, and a second pressure cover 26 is detachably covered on the second water filling port.
The first pressure cap 16 and the second pressure cap 26 are both pressure caps, which can control the pressure in the first chamber and the second chamber below a preset pressure threshold, and can prevent a vacuum from forming in the first chamber and the second chamber. When the first cavity and the second cavity need to be supplemented with cooling liquid, the first pressure cover 16 and the second pressure cover 26 are unscrewed, and the cooling liquid can be poured from the first water injection port and the second water injection port.
Further, a first air outlet 17 is arranged at the top of the first can 11, the first air outlet 17 is communicated with the first cavity, and a battery cooling loop connected with the first can 11 exhausts air through the first air outlet 17.
The first exhaust port 17 is connected with the battery cooling circuit through a pipeline, when the pressure in the battery cooling circuit is too high, redundant gas and liquid are discharged into the first cavity through the first exhaust port 17, and when the pressure in the first cavity exceeds the pressure threshold value of the first pressure cover 16, the first pressure cover 16 is opened to discharge the redundant gas and liquid.
The top of the second can 21 is provided with a second air outlet 27, the second air outlet 27 is communicated with the second cavity, and the driving cooling loop connected with the second can 21 exhausts air through the second air outlet 27.
Similarly, the second vent 27 is connected to the driving cooling circuit through a pipeline, when the pressure in the driving cooling circuit is too high, the second vent 27 discharges the excessive gas and liquid into the second cavity, and when the pressure in the second cavity exceeds the pressure threshold of the second pressure cover 26, the second pressure cover 26 opens to discharge the excessive gas and liquid.
Further, the expansion kettle further comprises a first mounting lug 31, a second mounting lug 32 and a third mounting lug 33;
the first mounting lug 31 is connected to the outer wall of the first pot 11, the second mounting lug 32 is connected to the outer wall of the second pot 21, and the third mounting lug 33 is connected to the outer wall of the joint of the first pot 11 and the second pot 21.
The expansion kettle sets up three installation ear altogether and is connected with the automobile body, and wherein first installation ear 31 and second installation ear 32 symmetry set up in the relative both sides of expansion kettle, and third installation ear 33 sets up in the junction of the first kettle body 11 and the second kettle body 21, and three installation ear evenly arranges that three point location is more stable, makes the expansion kettle can stable installation on the automobile body.
The expansion kettle of this application embodiment, first kettle body and second kettle body integrated into one piece can save the installation space in the car, and first cavity and second cavity are mutually independent, can connect different cooling circuit, make two cooling circuit influence each other and disturb, guarantee cooling circuit's normal operating.
New energy automobile cooling system:
the cooling system of the new energy automobile in the embodiment of the application comprises a driving cooling loop, a battery cooling loop and the expansion kettle in the embodiment;
the first kettle body of the expansion kettle is connected with a battery cooling loop, and the battery cooling loop is communicated with the first cavity;
the second kettle body of the expansion kettle is connected with a driving cooling loop, and the driving cooling loop is communicated with the second cavity.
The first liquid supplementing port of the first kettle body is connected with the battery cooling loop through a pipeline, so that the first cavity is communicated with the battery cooling loop, and when the cooling liquid in the battery cooling loop is insufficient, the cooling liquid in the first cavity can supplement the battery cooling loop; when the cooling liquid in the battery cooling loop is too much or the pressure is too high, the redundant cooling liquid can be discharged into the first cavity, and the redundant gas can be discharged into the first cavity from the first gas outlet and then discharged through the first pressure cover, so that the effect of stabilizing the battery cooling loop is realized.
Similarly, the second liquid supplementing port of the second kettle body is connected with the driving cooling loop through a pipeline, so that the second cavity is communicated with the driving cooling loop, and when the driving cooling loop is lack of cooling liquid, the driving cooling loop can be supplemented by the cooling liquid in the second cavity; when the cooling liquid in the driving cooling loop is too much or the pressure is too high, the redundant cooling liquid can be discharged into the second cavity, and the redundant gas can also be discharged into the second cavity from the second gas outlet and then discharged through the second pressure cover, so that the effect of stably driving the cooling loop is realized.
In the embodiment of the application, the driving cooling loop and the battery cooling loop are connected with two independent cavities, and the pressure and the flow in the two loops can be independently controlled without mutual influence.
What has been described above is merely the principles and preferred embodiments of the present application. It should be noted that, for those skilled in the art, the embodiments obtained by appropriately combining the technical solutions respectively disclosed in the different embodiments are also included in the technical scope of the present invention, and several other modifications may be made on the basis of the principle of the present application and should be regarded as the protective scope of the present application.
Claims (10)
1. An expansion kettle is characterized by comprising a first kettle body and a second kettle body which are connected into a whole;
a first cavity is arranged in the first kettle body, and a first liquid level indicating device for indicating the liquid level in the first cavity is arranged on the first kettle body;
the second kettle body is internally provided with a second cavity, and the second kettle body is provided with a second liquid level indicating device for indicating the liquid level in the second cavity.
2. The expansion kettle of claim 1, wherein the first liquid level indicating device comprises a first liquid level sensor, a detection end of the first liquid level sensor extends into the first cavity, and an output end of the first liquid level sensor extends out of the top of the first kettle body;
the second liquid level indicating device comprises a second liquid level sensor, a detection end of the second liquid level sensor extends into the second cavity, and an output end of the second liquid level sensor extends out of the top of the second kettle body.
3. The expansion tank of claim 2, wherein the first liquid level indicating device further comprises a first maximum liquid level indicating line for indicating a maximum allowable liquid level in the first cavity and a first minimum liquid level indicating line for indicating a minimum allowable liquid level in the first cavity;
the second liquid level indicating device further comprises a second highest liquid level indicating line and a second lowest liquid level indicating line, the second highest liquid level indicating line is used for indicating the allowable highest liquid level in the second cavity, and the second lowest liquid level indicating line is used for indicating the allowable lowest liquid level in the second cavity.
4. The expansion pot as claimed in any one of claims 1-3, wherein said first body is provided with a first fluid infusion port communicating with said first cavity, said first fluid infusion port extending from the bottom of said first body;
the second kettle body is provided with a second fluid infusion port communicated with the second cavity, and the second fluid infusion port extends out of the bottom of the second kettle body.
5. The expansion kettle as claimed in claim 4, wherein said first fluid infusion port extends from the bottom of said first kettle body in a first direction;
the second fluid infusion port extends from the bottom of the second kettle body along a second direction perpendicular to the first direction.
6. The expansion kettle as claimed in any one of claims 1 to 3, wherein the first kettle body is provided with a first water injection port communicated with the first cavity, and a first pressure cover is detachably covered on the first water injection port;
the second kettle body is provided with a second water injection port communicated with the second cavity, and a second pressure cover is detachably covered on the second water injection port.
7. The expansion pot according to any of claims 1-3, wherein the top of the first pot is provided with a first vent, which communicates with the first cavity;
and a second air outlet is formed in the top of the second kettle body and communicated with the second cavity.
8. The expansion tank as claimed in any one of claims 1 to 3, wherein said expansion tank further comprises a first mounting ear, a second mounting ear and a third mounting ear;
the first mounting lug is connected to the outer wall of the first kettle body, the second mounting lug is connected to the outer wall of the second kettle body, and the third mounting lug is connected to the outer wall of the joint of the first kettle body and the second kettle body.
9. A new energy automobile cooling system, which is characterized by comprising a driving cooling loop, a battery cooling loop and the expansion kettle of any one of claims 1 to 8;
the first kettle body of the expansion kettle is connected with the battery cooling loop, and the battery cooling loop is communicated with the first cavity;
the second kettle body of the expansion kettle is connected with the driving cooling loop, and the driving cooling loop is communicated with the second cavity.
10. The new energy automobile cooling system as claimed in claim 9, wherein the first kettle body is provided with a first fluid infusion port communicating with the first cavity, and the second kettle body is provided with a second fluid infusion port communicating with the second cavity;
the battery cooling loop is connected with the first liquid supplementing port, and the driving cooling loop is connected with the second liquid supplementing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121462474.XU CN215907947U (en) | 2021-06-29 | 2021-06-29 | Expansion kettle and new energy automobile cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121462474.XU CN215907947U (en) | 2021-06-29 | 2021-06-29 | Expansion kettle and new energy automobile cooling system |
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| Publication Number | Publication Date |
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| CN215907947U true CN215907947U (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121462474.XU Active CN215907947U (en) | 2021-06-29 | 2021-06-29 | Expansion kettle and new energy automobile cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216883A1 (en) * | 2022-05-13 | 2023-11-16 | 浙江吉利控股集团有限公司 | Integrated expansion water tank, cooling system and automobile |
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2021
- 2021-06-29 CN CN202121462474.XU patent/CN215907947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023216883A1 (en) * | 2022-05-13 | 2023-11-16 | 浙江吉利控股集团有限公司 | Integrated expansion water tank, cooling system and automobile |
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