Oil cooling device and vehicle
By using end caps to connect the oil passages of the filter press and the oil cooler in the oil-cooled electric drive system, and by setting seals at key locations, the problem of the non-compact arrangement of the filter press and the oil cooler is solved, and the miniaturization and sealing requirements of the electric drive system are achieved.
Patent Information
- Application Number
- CN202422960219.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing oil-cooled electric drive systems, the arrangement of filter press and oil cooler is not compact, making it difficult to achieve lightweight and miniaturization of the electric drive system.
By installing an end cap between the filter press and the oil cooler, with oil holes on the end cap connecting the oil passages of both, and installing seals at key locations to ensure sealing, a compact arrangement of the filter press and the oil cooler can be achieved.
The filter press and oil cooler are arranged in a compact manner, which meets the miniaturization requirements of the electric drive system and improves the overall compactness and sealing of the system.
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Figure CN223599646U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of oil-cooled electric drive systems, and particularly relates to an oil cooling device and a vehicle. BACKGROUND
[0002] As a key development direction of new energy vehicle electric drive systems, the oil cooling system arrangement scheme and system reliability of the oil-cooled electric drive system are concerned. The main components of the oil cooling system used in the existing oil-cooled electric drive system include a filter press and an oil cooler. The oil enters the oil cooler after passing through the filter press.
[0003] In the related art, the filter press and the oil cooler in the oil-cooled electric drive system are generally placed separately, and are connected through an oil channel. The oil channel has a long stroke and is difficult to arrange, so that the filter press and the oil cooler are not arranged compactly, and the lightweight and small size requirements of the electric drive system are not met. CONTENT OF THE UTILITY MODEL
[0004] The main purpose of the present application is to provide an oil cooling device and a vehicle, wherein the oil cooling device can well connect the filter press and the oil cooler, so that the filter press and the oil cooler are arranged compactly, and the small size requirement of the electric drive system is met.
[0005] To achieve the above purpose, the present application provides an oil cooling device, comprising:
[0006] a filter press;
[0007] an oil cooler;
[0008] an end cover fixed between the filter press and the oil cooler, the end cover being provided with an oil hole in a first direction, the oil hole connecting an oil channel on the filter press and an oil channel on the oil cooler, wherein the first direction is the direction of the oil flowing from the oil channel on the filter press to the oil channel on the oil cooler.
[0009] In one of the embodiments, the oil cooling device further comprises a first sealing element, which is arranged between the end cover and the oil cooler.
[0010] In one of the embodiments, a first groove is arranged on the side of the end cover facing the oil cooler.
[0011] The first sealing element is located in the first groove, and the first sealing element abuts against the side of the oil cooler facing the end cover.
[0012] In one of the embodiments, the oil cooling device further comprises a second sealing element, and the end cover is at least partially located in the housing of the filter press.
[0013] The second sealing member is arranged between the end cover and the inner wall of the shell.
[0014] In one of the embodiments, the side of the end cover in the shell, which is in contact with the inner wall of the shell, is provided with a second groove in the circumferential direction.
[0015] The second sealing member is arranged in the second groove and abuts against the inner wall of the shell.
[0016] In one of the embodiments, the oil cooling device further comprises a third sealing member arranged between the side of the end cover facing the filter press and the filter press.
[0017] In one of the embodiments, the side of the end cover facing the filter press is provided with a third groove.
[0018] The third sealing member is arranged in the third groove and abuts against the side of the filter press facing the end cover.
[0019] In one of the embodiments, the oil cooling device further comprises a connecting member, by which the end cover is fixed to the shell.
[0020] In one of the embodiments, the side of the end cover facing the oil cooler is provided with a reinforcing rib.
[0021] The application further provides a vehicle comprising the oil cooling device according to any one of the embodiments of the application.
[0022] The oil cooling device provided by the application can connect the oil channel on the filter press and the oil channel on the oil cooler when the end cover is fixed between the filter press and the oil cooler, so that the filter press and the oil cooler can be arranged compactly, thereby meeting the miniaturization requirement of the overall electric drive system. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the application, and for those skilled in the art, other drawings can also be obtained from the structures shown in the drawings without creative labor.
[0024] Figure 1 The structural schematic diagram of the oil cooling device provided by one of the embodiments of the application;
[0025] Figure 2 The structural schematic diagram of the end cover provided by one of the embodiments of the application;
[0026] Figure 3 Another schematic view of the end cover provided by an embodiment of the present application;
[0027] Figure 4 Front view of the end cover provided by an embodiment of the present application;
[0028] Figure 5 Cross-sectional view of Figure 4 .
[0029] Brief Description of the Drawings:
[0030] Reference Name Reference Name 10 Filter press 124 Third recess 101 Housing 125 Mounting hole 11 Oil cooler 13 First seal 12 End cap 14 Second seal 121 Oil hole 15 Third seal 122 First recess 16 Connection 123 Second recess 17 Stiffener
[0031] The implementation, functional features and advantages of the present application will be further described with reference to the embodiments and the accompanying drawings. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0033] It should be noted that all directional indications, such as up, down, left, right, front, back, etc., in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.
[0034] In addition, the description of "first", "second", etc. in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of those of ordinary skill in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.
[0035] The present application will be described in detail below.
[0036] The present application provides an oil cooling device, as shown in Figure 1 , Figure 1 The oil cooling device provided by the present application.
[0037] In the embodiments of the present application, as Figure 1As shown, the oil cooling device comprises a filter press 10, an oil cooler 11, and an end cover 12, wherein the end cover 12 is fixed between the filter press 10 and the oil cooler 11, the end cover 12 is provided with an oil hole 121 in a first direction, the oil hole 121 is communicated with an oil channel on the filter press 10 and an oil channel on the oil cooler 11, and the first direction is a direction in which oil flows from the oil channel on the filter press 10 to the oil channel on the oil cooler 11.
[0038] In the embodiment, the structure and working principle of the filter press 10 and the oil cooler 11 are prior art, and will not be described herein.
[0039] The end cover 12 in the embodiment can be connected to the filter press 10 by bolts, or the end cover 12 can be clamped to the filter press 10, which can be determined according to actual conditions, and the embodiment of the specification does not limit this.
[0040] The first direction in the embodiment is a direction in which oil flows from left to right. Figure 1
[0041] In the embodiment, when the end cover 12 is fixed between the filter press 10 and the oil cooler 11, the oil hole 121 on the end cover 12 can communicate the oil channel on the filter press 10 with the oil channel on the oil cooler 11. In operation, oil enters the oil cooler 11 after passing through the filter press 10 and the oil hole 121.
[0042] The oil cooling device provided in the application can communicate the oil channel on the filter press 10 with the oil channel on the oil cooler 11 when the end cover 12 is fixed between the filter press 10 and the oil cooler 11, so that the filter press 10 and the oil cooler 11 can be arranged compactly, thereby meeting the miniaturization requirement of the overall electric drive system.
[0043] In some embodiments, as shown in Figure 1 The oil cooling device further comprises a first sealing member 13 arranged between the end cover 12 and the oil cooler 11.
[0044] The first sealing member 13 in the embodiment can be an O-shaped sealing ring, a rectangular sealing ring, or the like, which can be determined according to actual conditions, and the embodiment of the specification does not limit this.
[0045] The first sealing member 13 is arranged between the end cover 12 and the oil cooler 11 in the embodiment, so as to ensure the sealing between the end cover 12 and the oil cooler 11.
[0046] In some embodiments, as shown in Figure 1 and in combination with Figure 2 , Figure 4 , Figure 5 As shown in the figure, the side of the end cover 12 facing the oil cooler 11 is provided with a first groove 122, wherein the first sealing member 13 is located in the first groove 122, and the first sealing member 13 abuts against the side of the oil cooler 11 facing the end cover 12.
[0047] The embodiment provides the first groove 122 on the side of the end cover 12 facing the oil cooler 11, so that the first sealing member 13 is conveniently placed in the first groove 122. Meanwhile, since the first sealing member 13 can abut against the side of the oil cooler 11 facing the end cover 12 after being placed in the first groove 122, the sealing between the end cover 12 and the oil cooler 11 can be ensured.
[0048] In some embodiments, as shown in the figure, Figure 1 The oil cooling device further comprises a second sealing member 14, and the end cover 12 is at least partially located in the shell 101 of the filter press 10, wherein the second sealing member 14 is arranged between the end cover 12 located in the shell 101 and the inner wall of the shell 101.
[0049] The second sealing member 14 in the embodiment can be an O-shaped sealing ring, a rectangular sealing ring, etc., which can be determined according to actual conditions, and the embodiment of the present application does not limit this.
[0050] Referring to Figure 1 As shown in the figure, after the end cover 12 is fixed on the filter press 10, the left end of the end cover 12 is at least partially located inside the shell 101, at this time, in order to ensure the sealing between the end cover 12 located in the shell 101 and the inner wall of the shell 101, the embodiment provides the second sealing member 14 between the end cover 12 located in the shell 101 and the inner wall of the shell 101, so that the sealing between the end cover 12 located in the shell 101 and the inner wall of the shell 101 can be ensured.
[0051] In some embodiments, as shown in the figure, Figure 1 and in combination with Figure 3 , Figure 4 , Figure 5 As shown in the figure, the side of the end cover 12 located in the shell 101 and contacting the inner wall of the shell 101 is provided with a second groove 123 in the circumferential direction, wherein the second sealing member 14 is located in the second groove 123, and the second sealing member 14 abuts against the inner wall of the shell 101.
[0052] The embodiment provides the second groove 123 on the side of the end cover 12 located in the shell 101 and contacting the inner wall of the shell 101 in the circumferential direction, so that the second sealing member 14 is conveniently fixed in the second groove 123. Meanwhile, since the second sealing member 14 can abut against the inner wall of the shell 101 after being located in the second groove 123, the sealing between the end cover 12 and the shell 101 can be ensured.
[0053] In some embodiments, as shown in Figure 1 The oil cooling device further comprises a third sealing member 15, which is arranged between the side of the end cover 12 facing the filter press 10 and the filter press 10.
[0054] The third sealing member 15 in this embodiment can be an O-shaped sealing ring, a rectangular sealing ring, etc., which can be determined according to actual conditions, and the embodiments of the present specification do not limit this.
[0055] The third sealing member 15 is arranged between the end cover 12 and the filter press 10 in this embodiment, so as to ensure the sealing between the end cover 12 and the filter press 10.
[0056] In some embodiments, as shown in Figure 1 and in combination with Figure 3 , Figure 4 , Figure 5 The side of the end cover 12 facing the filter press 10 is provided with a third groove 124, wherein the third sealing member 15 is located in the third groove 124, and the third sealing member 15 abuts against the side of the filter press 10 facing the end cover 12.
[0057] The third groove 124 is arranged on the side of the end cover 12 facing the filter press 10 in this embodiment, so as to facilitate fixing the third sealing member 15 in the third groove 124. At the same time, after the third sealing member 15 is located in the third groove 124, the third sealing member 15 can also abut against the side of the filter press 10 facing the end cover 12, so as to ensure the sealing between the end cover 12 and the filter press 10.
[0058] In some embodiments, as shown in Figure 1 The oil cooling device further comprises a connecting member 16, and the end cover 12 is fixed to the shell 101 through the connecting member 16.
[0059] The connecting member 16 in this embodiment can be a bolt, a pin shaft, etc., which can be determined according to actual conditions, and the embodiments of the present specification do not limit this.
[0060] As shown in Figure 2 or Figure 3 or Figure 5 The mounting hole 125 is arranged on the end cover 12 in this embodiment, and when the end cover 12 is buckled onto the filter press 10, the connecting member 16 can pass through the mounting hole 125 to be connected with the shell 101, so as to enable the end cover 12 to be stably mounted on the filter press 10.
[0061] In some embodiments, as shown in Figure 2 and in combination with Figure 1 The side of the end cover 12 facing the oil cooler 11 is provided with a reinforcing rib 17, so as to effectively improve the overall strength of the end cover 12.
[0062] The application also provides a vehicle comprising the oil cooling device according to any one of the embodiments of the application.
[0063] The specific structure of the oil cooling device in the embodiment is referred to the above embodiments, and since all the technical solutions of the above embodiments are adopted in the vehicle, all the beneficial effects brought by the technical solutions of the above embodiments are at least possessed, which will not be repeated here.
[0064] The above is only the preferred embodiments of the application, and does not limit the patent scope of the application, and any equivalent structural transformation, direct / indirect application in other related technical fields made by using the content of the application specification and drawings under the application concept are included in the patent protection scope of the application.
Claims
1. An oil cooling device characterized by comprising: The oil cooling device comprises: a filter press (10); an oil cooler (11); an end cover (12) fixed between the filter press (10) and the oil cooler (11), wherein an oil hole (121) is arranged on the end cover (12) in a first direction, the oil hole (121) being in communication with an oil channel on the filter press (10) and an oil channel on the oil cooler (11), wherein the first direction is the direction of oil flowing from the oil channel on the filter press (10) to the oil channel on the oil cooler (11).
2. The oil cooling device according to claim 1, characterized by The oil cooling device further comprises a first sealing member (13) arranged between the end cover (12) and the oil cooler (11).
3. The oil cooling device according to claim 2, characterized by A first groove (122) is arranged on the side of the end cover (12) facing the oil cooler (11); The first sealing member (13) is located in the first groove (122) and abuts against the side of the oil cooler (11) facing the end cover (12).
4. The oil cooling device according to claim 1 or 2, characterized by The oil cooling device further comprises a second sealing member (14), and the end cover (12) is at least partially located in a housing (101) of the filter press (10); The second sealing member (14) is arranged between the end cover (12) located in the housing (101) and an inner wall of the housing (101).
5. The oil cooling device according to claim 4, characterized by A second groove (123) is arranged on the side of the end cover (12) located in the housing (101) and contacting the inner wall of the housing (101) in a circumferential direction; The second sealing member (14) is located in the second groove (123) and abuts against the inner wall of the housing (101).
6. The oil cooling device according to claim 4, characterized by The oil cooling device further comprises a third sealing member (15) arranged between the side of the end cover (12) facing the filter press (10) and the filter press (10).
7. The oil cooling device according to claim 6, characterized by A third groove (124) is arranged on the side of the end cover (12) facing the filter press (10); The third sealing member (15) is located in the third groove (124) and abuts against the side of the filter press (10) facing the end cover (12).
8. The oil cooling device according to claim 4, characterized by The oil cooling device further comprises a connecting member (16) by which the end cover (12) is fixed to the housing (101).
9. The oil cooling device according to claim 1, characterized by A reinforcing rib (17) is arranged on the side of the end cover (12) facing the oil cooler (11).
10. A vehicle characterized by comprising: The oil cooling device comprises any one of claims 1 to 9. The oil cooling device comprises any one of claims 1 to 9.