CN213711160U - Expansion tank body, pressure cover assembly, expansion tank and electric automobile - Google Patents
Expansion tank body, pressure cover assembly, expansion tank and electric automobile Download PDFInfo
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- CN213711160U CN213711160U CN202022158845.7U CN202022158845U CN213711160U CN 213711160 U CN213711160 U CN 213711160U CN 202022158845 U CN202022158845 U CN 202022158845U CN 213711160 U CN213711160 U CN 213711160U
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- expansion tank
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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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- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to an inside cooling system field of car specifically relates to an expansion tank body, pressure lid subassembly, expansion tank and electric automobile. An expansion tank body comprises an expansion tank body, the expansion tank body comprises a plurality of mutually independent cavities, the wall of each cavity comprises a filling pipe, each filling pipe comprises a valve mounting pipe section for assembling a pressure valve of a pressure cover and a side wall mounting pipe section for assembling an annular side wall of the pressure cover, the inner diameter of each valve mounting pipe section is the same, and the outer diameters of at least two side wall mounting pipe sections are different. The expansion tank body integrates the cavities of a plurality of expansion tank bodies into one expansion tank body, thereby solving the problem of space arrangement of the expansion tank body, saving the cost for independently developing the expansion tank body and further reducing the cost of the whole vehicle; the pressure lid matches with the expansion tank body and increases the mistake proofing design, avoids the pressure lid to match the normal gas removal of influence expansion tank body of makeing mistakes and removes liquid, improves the practicality of the expansion tank body.
Description
Technical Field
The utility model relates to an inside cooling system field of car specifically relates to an expansion tank body, pressure lid subassembly, expansion tank and electric automobile.
Background
Compared with the original traditional engine cooling circulation loop, the motor cooling circulation loop, the battery cooling circulation loop and the electric heating circulation loop are added to the pure electric vehicle, the hybrid power vehicle and other new energy vehicles. In view of the fact that each cycle needs to exhaust the cooling liquid and reserve an expansion space, an expansion tank needs to be added for each cycle when a cooling system is developed to achieve the function, and meanwhile, the system pressures of an engine cooling circulation loop, an electric machine cooling circulation loop and a battery cooling circulation loop are different, so that the pressure covers of the expansion tanks need to be designed to have different opening pressures.
The existing expansion tank is high in design and manufacturing cost because each expansion tank needs to be independently designed and opened, and the expansion cover is likely to be installed in a wrong mode, so that the expansion tank cannot be opened according to actual requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the design manufacturing cost of a plurality of expansion tanks that prior art exists and being higher, it is great and the pressure lid on the expansion tank problem in disorder of easy installation to occupy mounting space.
In order to achieve the above object, an aspect of the present invention provides an expansion tank body, including the expansion tank body, the expansion tank body includes a plurality of mutually independent cavities, every the chamber wall of cavity includes the filler pipe, every the filler pipe is including the valve installation pipeline section that is used for assembling the pressure valve of pressure lid and being used for the assembly the lateral wall installation pipeline section of the annular lateral wall of pressure lid, every the internal diameter of valve installation pipeline section is the same, at least two the external diameter of lateral wall installation pipeline section is different.
Preferably, each of the chambers is provided with a drain passage communicating with the outside, and an inlet end of the drain passage is formed at a junction of the valve mounting pipe section and the side wall mounting pipe section.
Preferably, a separate cavity communicated with the atmosphere is arranged between different cavities.
Preferably, the partition cavity is filled with foam, and/or adjacent outer walls of adjacent cavities define the partition cavity, and a connecting plate is arranged between the outer walls of the adjacent cavities.
Preferably, the outer side of the side wall mounting pipe section is provided with an external thread section for matching with the internal thread on the inner circumferential surface of the annular side wall of the pressure cover.
The utility model discloses the second aspect provides a pressure cap subassembly, pressure cap subassembly is used for using with above-mentioned arbitrary expansion tank body is supporting, pressure cap subassembly includes a plurality of pressure lids, every the pressure lid includes the top cap, connects annular lateral wall and the setting of top cap edge all around are in pressure valve on the internal surface of top cap, pressure valve with form annular interval between the annular lateral wall, pressure valve's gas outlet with annular interval intercommunication, wherein, a plurality of pressure valve has the same external diameter, and the internal diameter of two at least annular lateral walls is different.
Preferably, a snap is formed on an inner surface of the top cover, and the pressure valve is detachably snapped on the snap.
The utility model discloses the third aspect provides an expansion tank, including the aforesaid arbitrary one the expansion tank body and the aforesaid arbitrary one the pressure lid subassembly is a plurality of the pressure lid sets up respectively every that corresponds separately on the filling pipe, the pressure valve seal assembly is in the valve installation pipeline section, the annular side wall with the cooperation of lateral wall installation pipeline section.
The utility model discloses the fourth aspect provides an electric automobile, including any one of the above-mentioned expansion tank.
Preferably, the cavity comprises a first cavity, a second cavity and a third cavity, the first cavity is connected in parallel to the engine cooling circulation loop through a first air removal pipe, a second air removal pipe and a water supplementing pipe, the second cavity is connected in series to the motor cooling circulation loop through a second water inlet pipe and a second water outlet pipe, and the third cavity is connected in series to the battery cooling circulation loop through a third water inlet pipe and a third water outlet pipe.
The expansion tank body integrates the cavities of a plurality of expansion tank bodies into one expansion tank body, can meet the requirements of each cycle degassing and expansion space reservation, solves the problem of tension in the arrangement space of the expansion tank body in the engine compartment of the whole vehicle, saves the cost of independently developing a die of each expansion tank body, reduces the cost of independently developing fixed structures such as an independent metal bracket of each expansion tank body and the like, and further reduces the cost of parts and the cost of the whole vehicle; meanwhile, the pressure cover is matched with the expansion tank body to increase the error-proofing design, the inner diameter of the same valve installation pipe section can ensure the inner diameter of the filling pipe to be completely consistent, the filling equipment is ensured to be universal, the outer diameter of the side wall installation pipe section adopts different specifications, so that the pressure cover of a certain pressure threshold value is assembled with the corresponding side wall installation pipe section, the phenomenon that the normal gas and liquid removal of the expansion tank body is influenced due to the fact that the pressure cover is matched and mistakenly installed during installation or maintenance is avoided, and the practicability of the.
Drawings
FIG. 1 is a schematic diagram of the detailed construction of an expansion tank according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of an expansion tank;
FIG. 3 is a schematic view of the construction of the pressure cap;
fig. 4 is a schematic view of an installation structure of the pressure cover.
Description of the reference numerals
1-expansion tank body, 2-first cavity, 3-second cavity, 4-third cavity, 5-pressure cover, 6-separation cavity, 7-connecting plate, 8-partition plate, 9-drainage channel, 10-filling pipe, 11-mounting plate, 12-first degassing pipe, 13-second degassing pipe, 14-water supplementing pipe, 15-third water inlet pipe, 16-third water outlet pipe, 17-second water inlet pipe, 18-second water outlet pipe, 19-valve mounting pipe section, 20-side wall mounting pipe section, 30-pressure valve, 31-top cover, 32-annular side wall and 33-buckle.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
An aspect of the present invention provides an expansion tank body, including expansion tank body 1, expansion tank body 1 includes a plurality of mutually independent cavitys, every the chamber wall of cavity includes filler pipe 10, every filler pipe 10 is including the valve installation pipeline section 19 that is used for assembling the pressure valve 30 of pressure lid 5 and is used for the assembly the lateral wall installation pipeline section 20 of the annular lateral wall 32 of pressure lid 5, every the internal diameter of valve installation pipeline section 19 is the same, at least two the external diameter of lateral wall installation pipeline section 20 is different.
The expansion tank body integrates the cavities of a plurality of expansion tank bodies into one expansion tank body, can meet the requirements of each cycle degassing and expansion space reservation, solves the problem of tension in the arrangement space of the expansion tank body in the engine compartment of the whole vehicle, saves the cost of independently developing a die of each expansion tank body, reduces the cost of independently developing fixed structures such as an independent metal bracket of each expansion tank body and the like, and further reduces the cost of parts and the cost of the whole vehicle; meanwhile, the pressure cover 5 is matched with the filling pipe 10 to increase the mistake-proofing design, the same inner diameter of the valve installation pipe section 19 can ensure that the inner diameter of the filling pipe 10 is completely consistent, the filling equipment is general, the outer diameter of the side wall installation pipe section 20 adopts different specifications, so that the pressure cover 5 of a certain pressure threshold value is assembled with the corresponding side wall installation pipe section 20, the influence of the matching mistake of the pressure cover 5 on the normal gas and liquid removal of the expansion tank body during installation or maintenance is avoided, and the practicability of the expansion tank body is improved.
The cavity of the expansion tank body needs to be filled with cooling liquid, and the valve mounting pipe sections 19 with the same inner diameter facilitate the filling gun to extend into the filling pipe to fill with the cooling liquid. The expansion tank body is provided with different cavities, each cavity is provided with a pressure cover 5 corresponding to the cavity, and the annular side wall 32 of each pressure cover 5 is matched and connected with the side wall mounting pipe section 20; the pressure thresholds of the pressure covers 5 on different cavities may be the same or different, the pressure covers 5 on the cavities with the same set threshold may be interchanged, the pressure covers 5 on the cavities with different set thresholds may not be interchanged, and the outer diameters of the side wall mounting pipe sections 20 are designed to be different to distinguish whether the installation of the pressure covers 5 is possible or not, so that the installation and maintenance efficiency is improved. Similarly, the outside diameters of the side wall mounting pipe sections 20 of different cavities are different, and the pressure covers on the cavities with the same set threshold value cannot be interchanged, i.e. the cavities and the pressure covers 5 are in one-to-one correspondence. In both cases, the pressure threshold of the cavity is guaranteed to be a set value, and if the pressure threshold is not the pressure cover of the set threshold, the annular side wall 32 is not matched with the side wall mounting pipe section 20 and cannot be mounted, so that mounting is carried out in a mistake-proofing manner.
Preferably, as shown in fig. 4, a drain passage 9 communicating with the outside is provided to each of the chambers, and an inlet end of the drain passage 9 is formed at a junction of the valve mounting tube section 19 and the sidewall mounting tube section 20. After the pressure valve 30 is opened, the gas or the cooling liquid in the cavity can be scattered and overflowed at other parts except the bottom side of the pressure valve 30, and the gas can be overflowed through the upper end of the pressure cover 5; if the cooling liquid overflows from the upper end of the pressure cover 5, the expansion tank body can be polluted, so that the drainage channel can be a groove formed by the cavity bottom wall sinking towards the interior of the expansion tank body, the cooling liquid is discharged from the bottom of the expansion tank body through the groove, and the practicability of the expansion tank body is improved.
Preferably, a separation cavity 6 communicated with the atmosphere is arranged between different cavities. Connect different cooling circuit between each cavity, because of each cooling circuit's temperature value is different, separate chamber 6 and can effectively avoid the influence each other of temperature between the different cavities, improve the practicality of the expansion tank body.
Preferably, the separation cavity 6 is filled with foam, and/or adjacent outer walls of adjacent cavities define the separation cavity 6, and a connecting plate 7 is arranged between the outer walls of the adjacent cavities. The foam can further improve the heat insulation effect between different cavities, and the connecting plate 7 between the separate cavities can strengthen the integrated structure of the expansion tank body.
Preferably, the outer side of the sidewall mounting tube segment 20 is provided with an external thread segment for matching with an internal thread on the inner circumferential surface of the annular sidewall 32 of the pressure cap 5. The pressure cover 5 is connected with the filling pipe 10 through threads, so that the pressure cover 5 can be conveniently assembled and disassembled, the threaded connection is not a sealing connection, and redundant fluid in the cavity can be discharged through the pressure cover 5; preferably, the application provides another kind of embodiment of pressure lid installation, be provided with the snap ring on the pressure lid 5, be provided with the trip on the outer wall of cavity, the snap ring set up to with the mutual block of trip makes pressure lid 5 with lateral wall installation pipeline section 20 cooperatees.
Preferably, a plurality of said cavities are arranged side by side. So that the expansion tank body is square and easy to install. Preferably, the expansion tank body 1 is a transparent plastic expansion tank, and the outer side of the cavity is provided with a lowest scale mark and a highest scale mark. The change of the cooling liquid in the expansion tank body can be conveniently and visually observed, the phenomenon that the filling cooling liquid is too much or too little is avoided, the cooling liquid is conveniently maintained in a preset range, and the cooling effect is enhanced.
Preferably, the side surface of the expansion tank body 1 is provided with a mounting plate 11 for mounting the expansion tank body on a mounting base. The mounting panel 11 sets up to two, and the automobile body is inside still to be equipped with the base that is used for the installation of expansion tank body bottom. Preferably, a plurality of partition plates 8 are arranged at intervals in the cavity, so that a labyrinth-shaped flow passage is formed in the cavity. The labyrinth-shaped flow channel can prevent the cooling liquid from generating turbulence when flowing in the cavity to generate bubbles, thereby improving the cooling effect.
The utility model discloses a second aspect provides a pressure cap subassembly, pressure cap subassembly is used for using with above-mentioned arbitrary expansion tank body is supporting, the pressure cap subassembly includes a plurality of pressure caps 5, every the pressure cap 5 includes top cap 31, connects annular lateral wall 32 and the setting of top cap 31 edge all around are in pressure valve 30 on the internal surface of top cap 31, pressure valve 30 with form annular interval between the annular lateral wall 32, pressure valve 30's gas outlet with annular interval intercommunication, wherein, a plurality of pressure valve 30 has the same external diameter, and the internal diameter of two at least annular lateral walls 32 is different.
The pressure cover is provided with a pressure valve 30, and the function principle of the pressure cover is as follows: the pressure valve 30 is disposed on the valve mounting tube 19 such that the passage between the chamber and the outside is blocked by the pressure valve 30, and when the water pressure or air pressure in the chamber reaches a predetermined threshold value of the pressure valve 30, the pressure valve 30 is opened to perform air exhaust or liquid discharge. The pressure cover 5 is structured as shown in fig. 3, and the bottom of the pressure valve 30 is circumferentially provided with a mounting groove for mounting a sealing ring, so that the bottom of the pressure valve 30 is sealingly assembled on the valve mounting pipe section 19, and the pressure valve 30 can more accurately discharge the redundant gas and the cooling liquid.
Preferably, a snap 33 is formed on an inner surface of the top cover 31, and the pressure valve 30 is detachably snapped on the snap 33. The inner diameter of each valve installation pipe section 19 is the same, so the outer diameter of the pressure valve 30 can be set to be the same, that is, the outer diameter of the pressure valve 30 can be set to be a universal size, and the pressure valve 30 can be replaced by the clamping mechanism after being damaged, so that the maintenance cost is reduced.
The utility model discloses the third aspect provides an expansion tank, including any one of the aforesaid expansion tank body and any one of the aforesaid pressure lid subassembly, it is a plurality of pressure lid 5 sets up respectively every that corresponds separately on the filler pipe 10, the sealed assembly of pressure valve 30 is in valve installation pipeline section 19, annular side wall 32 with 20 screw-thread fit of lateral wall installation pipeline section. The expansion tank comprises an expansion tank body and a pressure cover assembly, wherein a pressure cover 5 corresponding to each cavity is arranged on each cavity, the pressure covers are generally matched and connected with the side wall mounting pipe sections 20, the pressure thresholds of the pressure covers 5 on different cavities are possibly the same or different, the pressure covers 5 on the cavities with the same set thresholds can be interchanged, the pressure covers 5 on the cavities with different set thresholds can not be interchanged, the outer diameters of the side wall mounting pipe sections 20 are designed to be different so as to distinguish whether the installation of the pressure covers can be carried out, and the installation and maintenance efficiency is improved. The outer diameters of the side wall mounting pipe sections 20 matched with the pressure covers 5 of different cavities are different, and the pressure covers on the cavities with the same set threshold value cannot be interchanged, namely, the cavities and the pressure covers 5 correspond to each other one by one.
The utility model discloses the fourth aspect provides an electric automobile, including any one of the above-mentioned expansion tank. The expansion tank body integrates the cavities of a plurality of expansion tank bodies into one expansion tank body, can meet the requirements of each cycle degassing and expansion space reservation, solves the problem of tension in the arrangement space of the expansion tank body in the engine compartment of the whole vehicle, saves the cost of independently developing a die of each expansion tank body, reduces the cost of independently developing fixed structures such as an independent metal bracket of each expansion tank body and the like, and further reduces the cost of parts and the cost of the whole vehicle; the pressure cover 5 is matched with the expansion tank body to increase the error-proofing design, the inner diameter of the filling pipe 10 can be ensured to be completely consistent by the same inner diameter of the valve installation pipe section 19, the filling equipment is ensured to be universal, the outer diameter of the side wall installation pipe section 20 adopts different specifications, so that the pressure cover 5 of a certain pressure threshold value is assembled with the corresponding expansion tank body, the normal degassing and liquid removal of the expansion tank body are influenced by the error matching of the pressure cover during installation or maintenance, and the practicability of the expansion tank body is improved.
Preferably, the cavities include a first cavity 2, a second cavity 3 and a third cavity 4, the first cavity 2 is connected in parallel to the engine cooling circulation loop through a first air removing pipe 12, a second air removing pipe 13 and a water supplementing pipe 14, the second cavity 3 is connected in series to the motor cooling circulation loop through a second water inlet pipe 17 and a second water outlet pipe 18, and the third cavity 4 is connected in series to the battery cooling circulation loop through a third water inlet pipe 15 and a third water outlet pipe 16. The original automobile only has an engine cooling circulation loop, and only needs one expansion tank; the existing electric automobile is provided with three cooling circulation loops, namely an engine cooling circulation loop, a motor cooling circulation loop and a battery cooling circulation loop, so that three mutually independent cavities are required. As shown in fig. 1, the expansion tank has three independent cavities, and is connected to the cooling circuit of the electric vehicle through the connection manner.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical scheme of the utility model in the technical conception scope, can be right carry out multiple simple variant. Including each of the specific features, are combined in any suitable manner. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. An expansion tank body, characterized by comprising an expansion tank body (1), wherein the expansion tank body (1) comprises a plurality of mutually independent cavities, the cavity wall of each cavity comprises a filling pipe (10), each filling pipe (10) comprises a valve mounting pipe section (19) for assembling a pressure valve (30) of a pressure cover (5) and a side wall mounting pipe section (20) for assembling an annular side wall (32) of the pressure cover (5), the inner diameter of each valve mounting pipe section (19) is the same, and the outer diameters of at least two side wall mounting pipe sections (20) are different.
2. Expansion tank body according to claim 1, characterized in that each of said chambers is provided with a drainage channel (9) communicating with the outside, the inlet end of said drainage channel (9) being formed at the junction of a valve mounting section (19) and a side wall mounting section (20).
3. Expansion tank according to claim 1, characterized in that a compartment (6) open to the atmosphere is provided between the different chambers.
4. Expansion tank according to claim 3, characterized in that said compartment (6) is filled with foam and/or that adjacent outer walls of adjacent cavities define said compartment (6) and that a web (7) is arranged between the outer walls of adjacent cavities.
5. Expansion tank body according to any of claims 1 to 4, characterized in that the side wall mounting pipe section (20) is provided on the outside with an external thread section for cooperation with an internal thread on the inner circumferential surface of the annular side wall (32) of the pressure cover (5).
6. A pressure cap assembly for use with an inflatable tank as claimed in any of claims 1 to 5, said pressure cap assembly comprising a plurality of pressure caps (5), each of said pressure caps (5) comprising a top cap (31), an annular side wall (32) connected at a peripheral edge of said top cap (31), and a pressure valve (30) disposed on an inner surface of said top cap (31), an annular space being formed between said pressure valve (30) and said annular side wall (32), an air outlet of said pressure valve (30) communicating with said annular space, wherein a plurality of said pressure valves (30) have the same outer diameter and at least two of said annular side walls (32) have different inner diameters.
7. Pressure cap assembly according to claim 6, wherein a catch (33) is formed on the inner surface of the top cap (31), the pressure valve (30) being detachably snapped onto the catch (33).
8. An expansion tank, comprising an expansion tank body according to any one of claims 1 to 5 and a pressure cap assembly according to any one of claims 6 to 7, a plurality of said pressure caps (5) being provided on each of said fill pipes (10) respectively, said pressure valve (30) being sealingly fitted in said valve mounting tube section (19), said annular side wall (32) and said side wall mounting tube section (20) being engaged.
9. An electric vehicle comprising the expansion tank of claim 8.
10. The electric automobile of claim 9, characterized in that the cavities comprise a first cavity (2), a second cavity (3) and a third cavity (4), the first cavity (2) is connected in parallel to the engine cooling circulation loop through a first air removing pipe (12), a second air removing pipe (13) and a water supplementing pipe (14), the second cavity (3) is connected in series to the motor cooling circulation loop through a second water inlet pipe (17) and a second water outlet pipe (18), and the third cavity (4) is connected in series to the battery cooling circulation loop through a third water inlet pipe (15) and a third water outlet pipe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022158845.7U CN213711160U (en) | 2020-09-27 | 2020-09-27 | Expansion tank body, pressure cover assembly, expansion tank and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022158845.7U CN213711160U (en) | 2020-09-27 | 2020-09-27 | Expansion tank body, pressure cover assembly, expansion tank and electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN213711160U true CN213711160U (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022158845.7U Active CN213711160U (en) | 2020-09-27 | 2020-09-27 | Expansion tank body, pressure cover assembly, expansion tank and electric automobile |
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| CN (1) | CN213711160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217610A (en) * | 2022-05-31 | 2022-10-21 | 浙江银轮机械股份有限公司 | Exhaust filling structure and thermal management integrated module |
-
2020
- 2020-09-27 CN CN202022158845.7U patent/CN213711160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115217610A (en) * | 2022-05-31 | 2022-10-21 | 浙江银轮机械股份有限公司 | Exhaust filling structure and thermal management integrated module |
| CN115217610B (en) * | 2022-05-31 | 2023-10-31 | 浙江银轮机械股份有限公司 | Exhaust filling structure and thermal management integrated module |
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