Oil cooler, oil cooling system, power assembly and automobile

Abstract

The utility model discloses an oil cooler, an oil cooling system, a power assembly and an automobile, and relates to the technical field of oil cooling, the oil cooler is arranged in an oil storage shell, the oil cooler is provided with a first liquid inlet and a first liquid outlet, the first liquid inlet and the first liquid outlet extend out of the oil storage shell, or the first liquid inlet is communicated with the liquid inlet of the oil storage shell, and the first liquid outlet is communicated with the liquid outlet of the oil storage shell. The first liquid outlet is communicated with the liquid outlet of the oil storage shell; the oil cooler comprises one or at least two liquid cooling plates, and cooling flow channels are formed in the liquid cooling plates. The oil cooler is arranged in the oil storage shell, the internal space of the oil storage shell is fully utilized, oil can directly and naturally flow in the oil storage shell and exchange heat with a cooling medium in the liquid cooling plate of the oil cooler, an oil passing pipeline does not need to be arranged between the oil bottom shell and the oil cooler, the structure of the oil cooler is simplified, and the oil cooling efficiency is improved. The cost of the oil cooler is reduced, and the heat dissipation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil cooling technical field, especially relate to an oil cooler, oil cooling system, power assembly and car. BACKGROUND

[0002] At present, the power system of the car needs higher and higher power. But the high power power system inevitably promotes the temperature to rise when working, and the temperature that is too high can influence the service life of the drive system. Therefore, various methods need to be used to cool the power system of the car, such as the commonly used oil cooling system, water cooling system and air cooling system.

[0003] In the traditional oil cooling system, the oil cooler is usually arranged outside the oil storage shell, and then communicated with the oil storage shell through the pipeline, and the oil flows in the pipeline and exists pressure loss, and the flow rate is reduced, and a long time is needed to wait for the oil to enter the oil cooler from the pipeline, which reduces the heat dissipation efficiency of the oil cooler. SUMMARY

[0004] The main purpose of the utility model is to provide an oil cooler, oil cooling system, power assembly and car, which aims to solve the problem that the oil cooler is arranged outside the oil storage shell and communicated with the oil storage shell through the pipeline, a long time is needed to wait for the oil to enter the oil cooler from the pipeline, and the heat dissipation efficiency of the oil cooler is low.

[0005] To achieve the above purpose, the oil cooler provided by the utility model is arranged in the oil storage shell, and the oil cooler has a first liquid inlet and a first liquid outlet, wherein: the first liquid inlet and the first liquid outlet extend outside the oil storage shell, or the first liquid inlet is communicated with the liquid inlet of the oil storage shell, and the first liquid outlet is communicated with the liquid outlet of the oil storage shell.

[0006] The oil cooler comprises a liquid cooling plate, and the inside of the liquid cooling plate has a cooling flow channel.

[0007] The number of the liquid cooling plate is one, the liquid cooling plate is arranged in the oil storage shell, an oil passing channel is formed between the outer surface of the liquid cooling plate and the inner surface of the oil storage shell, and the cooling flow channel of the liquid cooling plate is communicated with the first liquid inlet and the first liquid outlet.

[0008] The number of the liquid cooling plate is at least two, at least two liquid cooling plates are stacked in the first direction in the oil storage shell, the cooling flow channels of at least two liquid cooling plates are communicated with each other, at least one of the liquid cooling plates is communicated with the first liquid inlet and the first liquid outlet, and an oil passing channel is formed between adjacent two liquid cooling plates.

[0009] In some embodiments, the liquid cooling plate has a second liquid inlet and a second liquid outlet.

[0010] At least two of the liquid cooling plates are sequentially stacked in a first direction within the oil storage shell.

[0011] The second liquid inlets of the at least two liquid cooling plates are in communication with each other, and at least one of the second liquid inlets is in communication with the first liquid inlet; the second liquid outlets of the at least two liquid cooling plates are in communication with each other, and at least one of the second liquid outlets is in communication with the first liquid outlet.

[0012] In some embodiments, the first direction is a height direction of the oil storage shell, the at least two liquid cooling plates are arranged in parallel relative to an inner bottom of the oil storage shell, and the at least two liquid cooling plates are sequentially stacked in the height direction of the oil storage shell.

[0013] In some embodiments, the first direction is a width direction of the oil storage shell or a length direction of the oil storage shell, the at least two liquid cooling plates are arranged in vertical relative to the inner bottom of the oil storage shell, and the at least two liquid cooling plates are sequentially stacked in the width direction of the oil storage shell or the length direction of the oil storage shell.

[0014] In some embodiments, the oil cooler further comprises a liquid inlet connecting body and a liquid outlet connecting body, the liquid inlet connecting body is used to communicate the second liquid inlet with the first liquid inlet, and the liquid outlet connecting body is used to communicate the second liquid outlet with the first liquid outlet.

[0015] The liquid inlet connecting body is provided with a third liquid inlet, a liquid inlet cavity, and a third liquid outlet, the liquid inlet cavity communicates the third liquid inlet with the third liquid outlet, the third liquid inlet is in communication with the first liquid inlet, and the third liquid outlet is in communication with the second liquid inlet correspondingly.

[0016] The liquid outlet connecting body is provided with a fourth liquid outlet, a liquid outlet cavity, and a fourth liquid inlet, the liquid outlet cavity communicates the fourth liquid inlet with the fourth liquid outlet, the fourth liquid inlet is in communication with the second liquid outlet correspondingly, and the fourth liquid outlet is in communication with the first liquid outlet.

[0017] In some embodiments, the liquid cooling plate is a harmonica tube type liquid cooling plate.

[0018] In some embodiments, an outer wall of the liquid cooling plate is concavely provided with a heat exchange groove.

[0019] In some embodiments, the liquid cooling plate comprises a liquid cooling plate body and a heat dissipation protruding structure, an inner wall of the heat dissipation protruding structure and an outer wall of the liquid cooling plate body are previously provided with an oil passing channel.

[0020] In some embodiments, the heat dissipation protruding structure is in thermal conductive connection with an outer wall of a liquid cooling plate body of an adjacent liquid cooling plate, or in thermal conductive connection with a heat dissipation protruding structure of an adjacent liquid cooling plate.

[0021] In some embodiments, the first liquid inlet and the first liquid outlet are located on opposite sides of the oil cooler.

[0022] The utility model discloses still propose a kind of oil cooling system, including oil storage shell and oil cooler.

[0023] In some embodiments, the oil cooler is formed in the oil storage shell.

[0024] The utility model discloses still propose a kind of power assembly, including oil cooling system.

[0025] The utility model discloses still propose a kind of automobile, including power assembly.

[0026] The technical scheme of the utility model sets oil cooler in oil storage shell, the oil cooler has first liquid inlet and first liquid outlet, the first liquid inlet and the first liquid outlet are extruded on the outside of the oil storage shell;Or, the first liquid inlet is communicated with the liquid inlet of the oil storage shell, and the first liquid outlet is communicated with the liquid outlet of the oil storage shell;The oil cooler includes liquid cooling plate, and the inside of the liquid cooling plate has cooling flow channel;Among them: the number of the liquid cooling plate is one, and the liquid cooling plate is arranged in the oil storage shell, and the outer surface of the liquid cooling plate and the inner surface of the oil storage shell form oil passage, and the cooling flow channel of the liquid cooling plate is communicated with the first liquid inlet and the first liquid outlet;Or the number of the liquid cooling plate is at least two, and at least two liquid cooling plates are stacked in the oil storage shell along the first direction, the cooling flow channel of at least two liquid cooling plates is communicated with each other, and at least one of the liquid cooling plate is communicated with the first liquid inlet and the first liquid outlet, and oil passage is formed between adjacent two liquid cooling plates.The oil cooler of the utility model is arranged in the interior of oil storage shell, makes full use of the interior space of oil storage shell, and oil liquid can flow naturally in oil storage shell and exchange heat with cooling medium in the liquid cooling plate of oil cooler directly, without setting up oil passage between oil sump and oil cooler, not only simplifies the structure of oil cooler, reduces the cost of oil cooler, but also improves heat dissipation efficiency.In addition, the liquid cooling plate in the application adopts harmonica tube type liquid cooling plate, and heat exchange groove is recessed on the surface of harmonica tube type liquid cooling plate or heat dissipation protruding structure is protruded, which can further improve heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.

[0028] Figure 1A structure schematic view of one embodiment of the oil cooling system provided by the utility model;

[0029] Figure 2 A structure schematic view of one embodiment of the oil cooler provided by the utility model;

[0030] Figure 3 A structure schematic view of one embodiment of the liquid cooling plate in the oil cooler provided by the utility model;

[0031] Figure 4 For Figure 3 A local enlarged view at A;

[0032] Figure 5 A structure schematic view of another embodiment of the oil cooling system provided by the utility model.

[0033] Explanation of reference numerals:

[0034] 100, oil cooling system; 10, oil cooler; 11, first liquid inlet; 12, first liquid outlet; 13, liquid cooling plate; 130, second liquid inlet; 131, second liquid outlet; 132, heat dissipation protruding structure; 133, liquid cooling plate main body; 14, oil passing channel; 15, liquid inlet connecting body; 16, liquid outlet connecting body; 20, oil storage shell; 21, inner cavity.

[0035] The realization, functional features and advantages of the utility model will be further described with reference to the accompanying drawings in combination with embodiments. Specific implementation

[0036] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0037] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.

[0038] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like 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 be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears in the whole text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, 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 utility model.

[0039] In the traditional oil cooling system, the oil cooler is usually arranged outside the oil storage shell, and then communicated with the oil storage shell through the pipeline, the oil flow in the pipeline has pressure loss, the flow rate is reduced, and a long time is needed to wait for the oil to enter the oil cooler from the pipeline, which reduces the heat dissipation efficiency of the oil cooler.

[0040] The utility model provides a kind of oil cooler 10. Please refer to Figure 1 、 Figure 2 And Figure 3 In an embodiment of the utility model, the oil cooler 10 provided by the utility model is arranged in the oil storage shell 20, and the oil cooler 10 has a first liquid inlet 11 and a first liquid outlet 12, wherein: the first liquid inlet 11 and the first liquid outlet 12 extend outside the oil storage shell 20, or the first liquid inlet 11 is communicated with the liquid inlet of the oil storage shell 20, and the first liquid outlet 12 is communicated with the liquid outlet of the oil storage shell 11.

[0041] The oil cooler 10 includes a liquid cooling plate 13, and the inside of the liquid cooling plate 13 has a cooling flow channel.

[0042] The number of liquid cooling plates 13 is one, the liquid cooling plate 13 is arranged in the oil storage shell 20, an oil passing channel is formed between the outer surface of the liquid cooling plate 13 and the inner surface of the oil storage shell 20, and the cooling flow channel of the liquid cooling plate 13 is communicated with the first liquid inlet 11 and the first liquid outlet 12.

[0043] The number of liquid cooling plates 13 is at least two, at least two liquid cooling plates 13 are stacked in the first direction in the oil storage shell 20, the cooling flow channels of the at least two liquid cooling plates 13 are communicated with each other, at least one liquid cooling plate 13 is communicated with the first liquid inlet 11 and the first liquid outlet 12, and an oil passing channel is formed between the adjacent two liquid cooling plates 13.

[0044] Specifically, the oil storage shell 20 is provided with an inner cavity 21, and the oil cooler 10 is installed in the inner cavity 21. The inner cavity 21 of the oil storage shell 20 flows with oil liquid, and the oil cooler 10 is soaked in the oil liquid in the oil storage shell 20. The oil cooler 10 is configured to exchange heat between the cooling medium inside the oil cooler 10 and the oil liquid in the inner cavity 21, so as to cool the oil liquid in the inner cavity 21 by the oil cooler 10. Moreover, the oil cooler 10 is arranged in the oil storage shell 20, which can reduce the occurrence of salt spray corrosion and chemical corrosion of the oil cooler 10, and ensure the service life of the oil cooler 10.

[0045] In an embodiment, referring to Figure 1 , the first liquid inlet 11 and the first liquid outlet 12 of the oil cooler 10 can be arranged at the top of the oil storage shell 20 and extend outward from the oil storage shell 20. The external cooling medium can enter the oil cooler 10 from the first liquid inlet 11 and then flow out from the first liquid outlet 12 to take away the heat of the oil liquid inside the oil storage shell 20.

[0046] In an embodiment, the oil cooler 10 includes a liquid cooling plate 13, and the outer surface of the liquid cooling plate 13 can be in full contact with the oil liquid in the oil storage shell 20.

[0047] The number of liquid cooling plates 13 can be one, and one liquid cooling plate 13 is arranged in the oil storage shell 20. An oil passing channel is formed between the outer surface of the liquid cooling plate 13 and the inner surface of the oil storage shell 20, which occupies a small space of the oil storage shell 20 and avoids the influence of salt spray corrosion and chemical corrosion on the liquid cooling plate 13. The liquid inlet channel and the liquid outlet channel can be arranged at the top of the oil storage shell 20, so that the cooling flow channel of the liquid cooling plate 13 can be communicated with the first liquid inlet 11 and the first liquid outlet 12 through the liquid inlet channel and the liquid outlet channel.

[0048] The number of liquid cooling plates 13 can also be at least two according to the actual heat exchange demand of the oil liquid. Specifically, if the oil liquid in the oil storage shell 20 is relatively more and the temperature is relatively high, the number of liquid cooling plates 13 can be increased. If the oil liquid in the oil storage shell 20 is relatively less and the temperature is relatively low, the number of liquid cooling plates 13 can be reduced.

[0049] Further, at least two liquid cooling plates 13 can be arranged in the oil storage shell 20 and stacked, and an oil passing channel is formed between adjacent two liquid cooling plates 13, which can increase the heat exchange area to improve the cooling effect of the oil cooler 10, and the temperature of the oil liquid in the oil storage shell 20 can be reduced faster. Moreover, the stacking design can reduce the occupied space of the at least two liquid cooling plates 13.

[0050] In another embodiment, referring to Figure 5The first inlet 11 and the first outlet 12 of the oil cooler 10 can be arranged at the side of the oil storage shell 20 and extend out of the oil storage shell 20. The oil inlet and the oil outlet of the oil storage shell 20 can also be arranged at the side of the oil storage shell 20, and the oil inlet and the oil outlet of the oil storage shell 20 are arranged at the same side of the oil storage shell 20 as the first inlet 11 and the first outlet 12, so that the oil outlet, the oil inlet and the first inlet and the first outlet 12 can be maintained and replaced at the same time during maintenance, thereby saving maintenance time.

[0051] The oil cooler 10 is arranged in the oil storage shell 20, and the internal space of the oil storage shell 20 is fully utilized. The oil can flow naturally in the oil storage shell 20 and exchange heat with the cooling medium in the liquid cooling plate 13 of the oil cooler 10, without the need for a pipeline, thereby reducing the time for the oil to flow from the pipeline into the oil cooler 10 and improving the heat dissipation efficiency of the oil cooler 10.

[0052] The oil cooler 10 is arranged in the oil storage shell 20, and the internal space of the oil storage shell 20 is fully utilized. The oil can flow naturally in the oil storage shell 20 and exchange heat with the cooling medium in the liquid cooling plate 13 of the oil cooler 10, without the need for a pipeline, thereby reducing the time for the oil to flow from the pipeline into the oil cooler 10 and improving the heat dissipation efficiency of the oil cooler 10.

[0053] The oil cooler 10 is arranged in the oil storage shell 20, and the internal space of the oil storage shell 20 is fully utilized. The oil can flow naturally in the oil storage shell 20 and exchange heat with the cooling medium in the liquid cooling plate 13 of the oil cooler 10, without the need for a pipeline, thereby reducing the time for the oil to flow from the pipeline into the oil cooler 10 and improving the heat dissipation efficiency of the oil cooler 10.

[0054] Please refer to Figure 1 and Figure 2 In an embodiment, the liquid cooling plate 13 has a second inlet 130 and a second outlet 131.

[0055] The at least two liquid cooling plates 13 are stacked in the oil storage shell 20 in the first direction.

[0056] The second inlets 130 of the at least two liquid cooling plates 13 are communicated with each other, and at least one second inlet 130 is communicated with the first inlet 11. The second outlets 131 of the at least two liquid cooling plates 13 are communicated with each other, and at least one second outlet 131 is communicated with the first outlet 12.

[0057] Specifically, the at least two liquid cooling plates 13 are stacked along a first direction. The first direction can be a length direction, a width direction or a height direction of the oil storage shell 20. Each liquid cooling plate 13 is provided in a plate structure, facilitating stacking and connection of the at least two liquid cooling plates 13 according to actual requirements. The second liquid inlets 130 of the at least two liquid cooling plates 13 are communicated with each other, and the second liquid outlets 131 of the at least two liquid cooling plates 13 are communicated with each other, so that the cooling medium can flow in the at least two liquid cooling plates 13, improving the cooling effect of the at least two liquid cooling plates 13. In addition, the at least two liquid cooling plates 13 can be stacked and connected by bonding or welding, so as to avoid shaking of the at least two liquid cooling plates 13 in the oil storage shell 20.

[0058] In order to facilitate stacking of the at least two liquid cooling plates 13, the first direction is the height direction of the oil storage shell 20, the at least two liquid cooling plates 13 are arranged in parallel relative to the inner bottom of the oil storage shell 20, and the at least two liquid cooling plates 13 are stacked in sequence along the height direction of the oil storage shell 20, and the gap between adjacent two liquid cooling plates 13 forms an oil passing channel.

[0059] Specifically, the first liquid inlet 11 and the first liquid outlet 12 are arranged at the top of the oil cooler 10. The at least two liquid cooling plates 13 are arranged in a stacked manner from bottom to top in the oil storage shell 20, facilitating the flow of the cooling medium upward one by one, so as to effectively utilize the heat exchange between the cooling medium and the oil in the oil storage shell 20.

[0060] Since the existing oil cooler 10 needs to be designed with a special tool for welding during manufacturing, if the height of the oil cooler 10 needs to be adjusted, the tool needs to be re-manufactured, resulting in high manufacturing cost and long manufacturing period.

[0061] The at least two liquid cooling plates 13 are stacked, the gap between adjacent two liquid cooling plates 13 forms an oil passing channel, which can not only increase the heat exchange area and improve the heat exchange effect, but also can flexibly adjust the number of liquid cooling plates according to different heat requirements, reduce the manufacturing cost, and ensure excellent cooling effect in various working environments.

[0062] In another embodiment, the first direction is the width direction of the oil storage shell 20 or the length direction of the oil storage shell 20, the at least two liquid cooling plates 13 are arranged vertically relative to the inner bottom of the oil storage shell 20, and the at least two liquid cooling plates 13 are stacked in sequence along the width direction of the oil storage shell 20 or the length direction of the oil storage shell 20, and the gap between adjacent two liquid cooling plates 13 forms an oil passing channel.

[0063] Specifically, the first liquid inlet 11 and the first liquid outlet 12 are arranged at the side of the oil cooler 10. The at least two liquid cooling plates 13 are arranged in a stack from front to back along the length direction of the oil storage shell 20, or arranged in a stack from right to left along the width direction of the oil storage shell 20; the cooling medium can flow from front to back or from right to left, so as to effectively utilize the heat exchange between the cooling medium and the oil in the oil storage shell 20.

[0064] In an embodiment, since the number of liquid cooling plates 13 can be flexibly adjusted, in order to enable the liquid cooling plates 13 to communicate with the first liquid inlet 11 and the first liquid outlet 12, the oil cooler 10 further comprises a liquid inlet connecting body 15 and a liquid outlet connecting body 16, the liquid inlet connecting body 15 is used to communicate the second liquid inlet 130 with the first liquid inlet 11, and the liquid outlet connecting body 16 is used to communicate the second liquid outlet 131 with the first liquid outlet 12.

[0065] The liquid inlet connecting body 15 is provided with a third liquid inlet, a liquid inlet cavity and a third liquid outlet, the liquid inlet cavity communicates the third liquid inlet and the third liquid outlet, the third liquid inlet communicates with the first liquid inlet 11, and the third liquid outlet correspondingly communicates with the second liquid inlet 130.

[0066] The liquid outlet connecting body 16 is provided with a fourth liquid outlet, a liquid outlet cavity and a fourth liquid inlet, the liquid outlet cavity communicates the fourth liquid inlet and the fourth liquid outlet, the fourth liquid inlet correspondingly communicates with the second liquid outlet 131, and the fourth liquid outlet communicates with the first liquid outlet 12.

[0067] Please refer to Figure 2 The second liquid inlet 130 of the at least two liquid cooling plates 13 can be inserted into the third liquid outlet of the liquid inlet connecting body 15, so that the at least two liquid cooling plates 13 communicate with the first liquid inlet 11 through the liquid inlet connecting body 15, and then the second liquid outlet 131 of the at least two liquid cooling plates 13 is inserted into the fourth liquid inlet of the liquid outlet connecting body 16, so that the at least two liquid cooling plates 13 can communicate with the first liquid outlet 12 through the liquid outlet connecting body 16. When the number of liquid cooling plates 13 needs to be reduced, the liquid cooling plates 13 can be removed from the liquid inlet connecting body 15 and the liquid outlet connecting body 16, and then the corresponding third liquid outlet and fourth liquid inlet of the liquid inlet connecting body 15 can be plugged by using a sealing plug, which not only avoids the cooling medium flowing out from the third liquid outlet or the fourth liquid inlet into the oil storage shell 20 and polluting the oil in the oil storage shell 20, but also enables the number of liquid cooling plates 13 to be flexibly adjusted.

[0068] In order to improve the heat exchange effect, additional heat exchange structures can be designed on the outer surface of the liquid cooling plate, so as to increase the heat exchange area and improve the heat dissipation effect.

[0069] In an embodiment, in order not to additionally occupy the space of the oil storage shell 20, the heat exchange groove can be directly recessed on the outer wall of the liquid cooling plate 13. Among them, a certain gap can be left between the two adjacent liquid cooling plates 13 along the stacking direction, and the gap and the heat exchange groove jointly form an oil passing channel; or the two adjacent liquid cooling plates 13 are tightly attached along the stacking direction, the heat exchange grooves on the adjacent surfaces of the two adjacent liquid cooling plates 13 are symmetrically arranged, and after the abutment of the two adjacent liquid cooling plates, the oil passing channel is formed by the symmetrical design of the heat exchange grooves. The oil can enter the oil passing channel and contact the outer wall of the liquid cooling plate 13 for heat exchange. The design of the heat exchange groove increases the heat exchange area of the liquid cooling plate 13 and the oil, and improves the cooling effect of the oil cooler 10. Moreover, the arrangement of the heat exchange groove does not additionally occupy the space of the oil storage shell 20.

[0070] In another embodiment, in order to protect the liquid cooling plate 13 from being damaged, please refer to Figure 2 and Figure 3 The liquid cooling plate 13 includes a liquid cooling plate body 133 and a heat dissipation protruding structure 132. The heat dissipation protruding structure 132 is arranged protruding relative to the outer wall of the liquid cooling plate body 133, and the inner wall of the heat dissipation protruding structure 132 and the outer wall of the liquid cooling plate body 133 form an oil passing channel 14. It should be noted that the shape of the heat dissipation protruding structure 132 is not limited to the arc protrusion shown in Figure 2 and Figure 3 It can also be other shapes such as square and triangle.

[0071] Specifically, one side or both sides of the liquid cooling plate 13 can be provided with the heat dissipation protruding structure 132. Preferably, the heat dissipation protruding structure 132 can be in thermal conductive connection with the outer wall of the liquid cooling plate body 133 of the adjacent liquid cooling plate 13, or the heat dissipation protruding structure 132 can be in thermal conductive connection with the heat dissipation protruding structure 132 of the adjacent liquid cooling plate 13. In this way, the heat exchange effect can be further improved.

[0072] In order to prolong the flow path of the cooling medium and effectively utilize the heat exchange between the cooling medium and the oil, the first liquid inlet 11 and the first liquid outlet 12 are located on opposite sides of the oil cooler 10. After the cooling medium enters from the first liquid inlet 11, it can flow through the cooling flow channel in at least two liquid cooling plates 13, and then flow out from the first liquid outlet 12.

[0073] Preferably, in order to further improve the heat dissipation effect, in another implementation example, the liquid cooling plate 13 can also adopt a harmonica tube type liquid cooling plate. The harmonica tube type liquid cooling plate is internally provided with a capillary structure, which can further increase the heat exchange area and improve the heat exchange effect.

[0074] The utility model discloses still propose a kind of oil cooling system 100, the oil cooling system 100 include oil storage shell 20 and oil cooler 10, the specific structure of the oil cooler 10 refers to above-mentioned embodiment, since the power assembly adopts all technical solutions of above-mentioned embodiment, thus at least have all beneficial effects brought by the technical scheme of above-mentioned embodiment, here no longer repeat.

[0075] Wherein, oil cooler 10 is formed in oil storage shell 20, need not extra bolt installation, save time and effort, also save manufacturing cost.Specifically, oil cooler 10 and oil storage shell 20 are integrally formed structure.In the process of manufacturing oil storage shell 20, oil cooler 10 can be directly formed in the inside of oil storage shell 20.The process of manufacturing oil storage shell 20 and oil cooler 10 can adopt metal casting process.Melted metal is injected into mould, and after cooling and solidification, the integrated oil storage shell 20 and oil cooler 10 are formed.

[0076] The utility model discloses still propose a kind of power assembly, including oil cooling system 100.Wherein, power assembly can also include speed reducer, the oil inlet interface of speed reducer can be communicated with the oil outlet of oil storage shell 20, the oil outlet interface of speed reducer can be communicated with the oil inlet of oil storage shell 20, the oil with heat in speed reducer flows into oil storage shell 20, so that oil cooler 10 carries out cooling and temperature reduction to the oil in oil storage shell 20;Afterwards, the oil cooled and temperature reduced in oil storage shell 20 can enter speed reducer from oil outlet, and then realizes the purpose that oil cooling system 100 carries out cooling and temperature reduction to speed reducer oil.Power assembly also includes motor, the oil inlet interface of motor can be communicated with the oil outlet of oil storage shell 20, the oil outlet interface of motor can be communicated with the oil inlet of oil storage shell 20, so that oil cooling system 100 carries out cooling and temperature reduction to motor oil.Liquid cooling plate 13 of oil cooler is stacked to set, so that oil cooler can be freely adjusted height according to actual demand, to adapt to cooling demand under different load or temperature environment.

[0077] The utility model discloses still propose a kind of automobile, automobile includes power assembly.

[0078] The above-mentioned is only the exemplary embodiment of the utility model, and not therefore limit the patent range of the utility model, all equivalent structural transformations made in the technical concept of the utility model using the utility model specification and drawing contents, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. An oil cooler characterized by comprising: The oil cooler is arranged in the oil storage shell, and has a first liquid inlet and a first liquid outlet, wherein: the first liquid inlet and the first liquid outlet extend outside the oil storage shell, or the first liquid inlet communicates with the liquid inlet of the oil storage shell, and the first liquid outlet communicates with the liquid outlet of the oil storage shell; The oil cooler comprises a liquid cooling plate, and the liquid cooling plate has a cooling flow channel in the inside thereof; wherein: The number of the liquid cooling plate is one, the liquid cooling plate is arranged in the oil storage shell, and an oil passing channel is formed between the outer surface of the liquid cooling plate and the inner surface of the oil storage shell, and the cooling flow channel of the liquid cooling plate communicates with the first liquid inlet and the first liquid outlet; or The number of the liquid cooling plate is at least two, at least two liquid cooling plates are stacked in the first direction in the oil storage shell, the cooling flow channels of the at least two liquid cooling plates communicate with each other, at least one of the liquid cooling plates communicates with the first liquid inlet and the first liquid outlet, and an oil passing channel is formed between adjacent liquid cooling plates.

2. The oil cooler of claim 1, wherein The liquid cooling plate has a second liquid inlet and a second liquid outlet; At least two liquid cooling plates are sequentially stacked in the first direction in the oil storage shell; The second liquid inlets of the at least two liquid cooling plates communicate with each other, and at least one of the second liquid inlets communicates with the first liquid inlet; the second liquid outlets of the at least two liquid cooling plates communicate with each other, and at least one of the second liquid outlets communicates with the first liquid outlet.

3. The oil cooler according to claim 1 or 2, characterized in that The first direction is the height direction of the oil storage shell, and the at least two liquid cooling plates are arranged in parallel relative to the inner bottom of the oil storage shell, and the at least two liquid cooling plates are sequentially stacked in the height direction of the oil storage shell.

4. The oil cooler according to claim 1 or 2, characterized in that The first direction is the width direction of the oil storage shell or the length direction of the oil storage shell, and the at least two liquid cooling plates are arranged perpendicularly relative to the inner bottom of the oil storage shell, and the at least two liquid cooling plates are sequentially stacked in the width direction of the oil storage shell or the length direction of the oil storage shell.

5. The oil cooler of claim 2, wherein The oil cooler further comprises a liquid inlet connecting body and a liquid outlet connecting body, the liquid inlet connecting body is used for connecting the second liquid inlet and the first liquid inlet, and the liquid outlet connecting body is used for connecting the second liquid outlet and the first liquid outlet; The liquid inlet connecting body is provided with a third liquid inlet, a liquid inlet cavity and a third liquid outlet, the liquid inlet cavity connects the third liquid inlet and the third liquid outlet, the third liquid inlet communicates with the first liquid inlet, and the third liquid outlet communicates with the second liquid inlet correspondingly; The liquid outlet connecting body is provided with a fourth liquid outlet, a liquid outlet cavity and a fourth liquid inlet, the liquid outlet cavity connects the fourth liquid inlet and the fourth liquid outlet, the fourth liquid inlet communicates with the second liquid outlet correspondingly, and the fourth liquid outlet communicates with the first liquid outlet.

6. The oil cooler of claim 1, wherein The liquid cooling plate adopts a mouth organ tube type liquid cooling plate.

7. The oil cooler of claim 1, wherein The outer wall of the liquid cooling plate is concave and provided with a heat exchange groove.

8. The oil cooler of claim 1, wherein The liquid cooling plate comprises a liquid cooling plate main body and a heat dissipation protruding structure, and an oil passing channel is formed between the inner wall of the heat dissipation protruding structure and the outer wall of the liquid cooling plate main body.

9. The oil cooler of claim 8, wherein, The heat dissipation protruding structure is in thermal conductive connection with the outer wall of the liquid cooling plate main body of the adjacent liquid cooling plate, or in thermal conductive connection with the heat dissipation protruding structure of the adjacent liquid cooling plate.

10. The oil cooler according to claim 1 or 2, characterized in that The first liquid inlet and the first liquid outlet are located on opposite sides of the oil cooler.

11. An oil cooling system characterized by, An oil storage tank and an oil cooler according to any one of claims 1 to 10.

12. The oil cooling system of claim 11, wherein The oil cooler is formed in the oil storage tank.

13. A powertrain, characterized by, An oil cooling system according to any one of claims 11 to 12.

14. An automobile characterized by comprising: A powertrain according to claim 13.

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