Motor heat management module
By designing the dry and wet chamber separation structure and efficient cooling system of the motor thermal management module, the problems of large space occupation and high installation difficulty caused by the external use of oil coolers and electronic pumps in existing oil-cooled motors are solved, and efficient thermal management of the motor and long service life of the equipment are achieved.
Patent Information
- Application Number
- CN202421625910.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In existing oil-cooled motors, the external space of the oil-cooler and electronic pumps lead to large space consumption and high installation difficulty, and are easily damaged in harsh environments, affecting service life and performance.
A motor thermal management module is designed to concentrate the oil cooler and electronic pump in the dry cavity through the dry cavity separation structure of the oil pan, and the external environment is isolated through the cover plate, and efficient cooling is achieved with water cooling components.
It realizes the high integration of the motor thermal management module, reduces the space occupation of oil coolers and electronic pumps, improves the power density of the motor and the reliability of the cooling system, extends the service life of the equipment and reduces cost losses.
Smart Images

Figure CN223039773U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of motor thermal management technology, and particularly relates to a motor thermal management module. Background Art
[0002] On most existing oil-cooled motors, the oil cooler and the electronic pump are both externally mounted on the casing, occupying a relatively large space volume, resulting in difficulties in arranging the water pipeline and increasing the installation difficulty of the whole vehicle. At the same time, the oil cooler and the electronic pump are exposed outside. During the operation in the mining area, the frequent immersion of splashed sediment and sewage often causes the low-voltage plug-in of the electronic pump to enter water and fail, damaging the oil cooler and the electronic pump.
[0003] In a working environment with large climate changes and harsh working conditions, the temperature and humidity change periodically, which may damage electronic devices such as oil coolers and electronic pumps exposed to the sun and rain and snow weather. In a harsh natural environment, areas full of dust, corrosive and other media, etc., it is necessary to effectively ensure the service life and performance of equipment such as oil coolers and electronic pumps.
[0004] Therefore, there is an urgent need to provide a motor thermal management module to solve the defects and deficiencies existing in the above-mentioned prior art. Summary of the Utility Model
[0005] In order to solve the defects and deficiencies existing in the prior art, the utility model provides a motor thermal management module.
[0006] The technical solution provided by the utility model is as follows:
[0007] A motor thermal management module includes an oil pan, and is characterized in that: the interior of the oil pan is divided into a front dry cavity and a rear wet cavity by a partition board. A filter is installed inside the wet cavity, an electronic pump and an oil cooler are installed inside the dry cavity. The oil outlet of the filter is connected to the oil inlet of the electronic pump, the oil outlet of the electronic pump is connected to the oil inlet of the oil cooler, the oil outlet of the oil cooler is connected to the oil pan, and the oil cooler is also connected to a water-cooling component.
[0008] As a further preferred embodiment of the utility model, a cover plate is arranged on the front side of the dry cavity.
[0009] As a further preferred embodiment of the utility model, a third temperature sensor is installed inside the dry cavity, its bottom is connected to the wet cavity to contact the oil, and the external interface is connected to a low-voltage plug.
[0010] As a further preferred embodiment of the utility model, the low-voltage plug is installed on the cover plate, and the low-voltage plug is connected to the electronic pump and the third temperature sensor by wire harnesses.
[0011] As a further preferred embodiment of the present utility model, the water cooling assembly includes a driving motor and a cooling water channel, and the driving motor drives cooling water to enter the oil cooler through the cooling water channel to realize heat exchange of the oil liquid inside the oil cooler.
[0012] As a further preferred embodiment of the present utility model, there are 2 groups of the filter, the electronic pump, the oil cooler and the water cooling assembly symmetrically arranged on the left and right.
[0013] As a further preferred embodiment of the present utility model, it further includes a first temperature sensor and a second temperature sensor respectively connected to the two groups of oil coolers.
[0014] As a further preferred embodiment of the present utility model, a water inlet and a water outlet communicating with the oil cooler are respectively opened on the front side of the oil sump, and the water inlet is arranged lower than the water outlet.
[0015] As a further preferred embodiment of the present utility model, an oil inlet communicating with the oil cooler is opened at the bottom of the oil sump, and an oil outlet communicating with the oil cooler is opened at the rear side of the oil sump.
[0016] As a further preferred embodiment of the present utility model, there are 2 groups of the water inlet and the water outlet symmetrically arranged on the left and right; there are 2 groups of the oil inlet and the oil outlet symmetrically arranged on the left and right.
[0017] Compared with the prior art, the beneficial effects achieved by the present utility model include:
[0018] 1) The present utility model provides a motor thermal management module, which realizes a highly integrated optimized design. The wet and dry cavities of the oil sump are separated, and the oil cooler and the electronic pump are highly concentrated in the dry cavity of the thermal management module. The outside environment is isolated through the cover plate. At the same time, it is convenient for arranging the cooling water channels corresponding to the water inlet and outlet of the oil cooler, and at the same time reduces the space occupied by the oil cooler and the electronic pump, improves the power density of the motor and the reliability of the cooling system, reduces the motor cost loss to a certain extent, improves the product service life and the convenience of installation and maintenance.
[0019] 2) The present utility model provides a motor thermal management module, which is highly integrated, effectively isolates harsh environments, areas full of dust, corrosive substances and other media, extends the service life and performance of equipment such as oil coolers and electronic pumps, and can ensure that the motor works in the best working state through fine-tuning of the cooling system, meeting the high-efficiency operation of the oil-cooled motor and the reliability of market operation.
[0020] 3) The present utility model provides a motor thermal management module. The integrated structure of the oil sump integrates all the cooling components, control components and filtering components of the oil-cooled motor, realizes the multi-functional requirements of oil control, oil storage, cooling, heat dissipation, etc., greatly improves the space utilization rate of the oil-cooled motor, facilitates the installation and maintenance of the whole machine, and improves the reliability of the motor. Description of the Drawings
[0021] Figure 1 It is an exploded view of the structure of the motor thermal management module provided by the present utility model.
[0022] Figure 2 It is a top view of the structure of the motor thermal management module provided by the present utility model.
[0023] Figure 3 It is a perspective view from the rear view angle of the motor thermal management module provided by the present utility model.
[0024] Figure 4 It is a perspective view from the front view angle of the motor thermal management module provided by the present utility model.
[0025] Figure 5 It is a wiring connection diagram of the motor thermal management module provided by the present utility model.
[0026] Figure 6 It is a schematic diagram of the structure of the oil inlet and oil outlet of the motor thermal management module provided by the present utility model. Detailed Description of the Preferred Embodiments
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0028] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, terms such as "installation", "provided with", "connection", etc. shall be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0030] [First Embodiment]
[0031] As Figure 1-6 shown, a motor thermal management module provided by the first embodiment of the present utility model includes an oil pan 1. The interior of the oil pan 1 is separated into a front dry chamber 1A and a rear wet chamber 1B by a partition 11 to achieve the separation of the dry and wet chambers. A filter 2 is installed inside the wet chamber 1B, and an electronic pump 3 and an oil cooler 4 are installed inside the dry chamber 1A. A cover plate 12 is provided on the front side of the dry chamber 1A. As Figure 1 shown, the cover plate is used to enclose the inside of the dry chamber, preventing components such as the electronic pump and the oil cooler from directly contacting media such as mine sediment, flying dust, and sewage, greatly maintaining the usage environment of the oil cooler and the electronic pump and extending their service life.
[0032] As Figure 4 shown, a third temperature sensor 5 is installed inside the dry chamber 1A. Its bottom is connected to the wet chamber 1B to contact the oil, and its external interface is connected to a low-voltage plug 6 to be used for real-time detection of the oil temperature in the wet chamber 1B.
[0033] As Figure 1 shown, in this embodiment, the low-voltage plug 6 is installed on the cover plate 12. The low-voltage plug 6 is connected to the electronic pump 3 and the third temperature sensor 5 by wiring harnesses to be used for the signal transmission to control the electronic pump.
[0034] The oil outlet of the filter 2 is connected to the oil inlet of the electronic pump 3, and the oil outlet of the electronic pump 3 is connected to the oil inlet of the oil cooler 4 to send the high-temperature oil discharged from the filter 2 into the oil cooler 4 for heat exchange with the cooling water. The oil outlet of the oil cooler 4 is connected to the oil pan 1, and the oil cooler 4 is also connected to a water-cooling component 7.
[0035] As Figure 5 shown, the water-cooling component 7 in this embodiment includes a driving motor 71 and a cooling water channel 72. The driving motor drives the cooling water to enter the oil cooler 4 through the cooling water channel 72 to achieve heat exchange of the oil inside the oil cooler.
[0036] Preferably, in this embodiment, there are 2 sets of the filter 2, the electronic pump 3, the oil cooler 4 and the water cooling assembly symmetrically arranged on the left and right. For example, the drive motor 71 includes a first drive motor EM1 and a second drive motor EM2. The filter 2 includes a first filter 2-1 and a second filter 2-2. The electronic pump 3 includes a first electronic pump 3-1 and a second electronic pump 3-2. The oil cooler 4 includes a first oil cooler 4-1 and a second oil cooler 4-2. While ensuring balanced cooling, it increases the cooling transmission path and coverage range, and further improves the cooling coverage range and cooling uniformity. As Figure 5 shown, it further includes a first temperature sensor 81 and a second temperature sensor 82 respectively connected to the two sets of oil coolers 4 to realize real-time detection of the oil temperature entering and leaving the oil cooler 4.
[0037] As Figure 4 shown, in this embodiment, a water inlet 7A and a water outlet 7B communicating with the oil cooler 4 are respectively opened on the front side of the oil pan 1, and the water inlet 7A is arranged lower than the water outlet 7B to send cooling water into the oil cooler 4 inside the oil pan 1 through the cooling water channel to cool the high-temperature oil, and then discharge the cooling water used up through the water outlet 7B.
[0038] As Figure 3 and Figure 6 shown, an oil inlet 4A communicating with the oil cooler 4 is opened at the bottom of the oil pan 1, and an oil outlet 4B communicating with the oil cooler 4 is opened at the rear side of the oil pan 1 to send the high-temperature oil inside the oil pan 1 into the oil cooler 4 through the oil outlet 4B for cooling, and then send the cooled oil into the oil pan 1 through the oil inlet 4A.
[0039] Preferably, there are 2 sets of the water inlet 7A and the water outlet 7B symmetrically arranged on the left and right; there are 2 sets of the oil inlet 4A and the oil outlet 4B symmetrically arranged on the left and right. While ensuring balanced cooling, it increases the cooling transmission path and coverage range, and further improves the cooling coverage range and cooling uniformity.
[0040] A motor thermal management module provided by the present utility model realizes a highly integrated optimized design. The wet and dry cavities of the oil pan are separated. The oil cooler and the electronic pump are highly concentrated in the dry cavity of the thermal management module. The outside environment is isolated by a cover plate. At the same time, it facilitates the arrangement of the cooling water channels corresponding to the water inlet and outlet of the oil cooler, reduces the space occupied by the oil cooler and the electronic pump, improves the power density of the motor and the reliability of the cooling system, reduces the motor cost loss to a certain extent, improves the product service life and the convenience of installation and maintenance; the thermal management module is highly integrated, effectively isolates harsh environments, areas full of dust, corrosive and other media, extends the service life and performance of equipment such as oil coolers and electronic pumps, and can ensure that the motor works in the best working state through fine-tuning of the cooling system, meeting the high-efficiency operation of the oil-cooled motor and the reliability of market operation.
[0041] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.
Claims
1. A motor thermal management module, comprising an oil pan (1), characterized in that: The interior of the oil pan (1) is divided into a front dry chamber (1A) and a rear wet chamber (1B) by a partition (11); a filter (2) is installed in the wet chamber (1B); an electronic pump (3) and an oil cooler (4) are installed in the dry chamber (1A); an oil outlet of the filter (2) is connected to an oil inlet of the electronic pump (3); an oil outlet of the electronic pump (3) is connected to an oil inlet of the oil cooler (4); an oil outlet of the oil cooler (4) is connected to the oil pan (1); and the oil cooler (4) is also connected to a water cooling assembly (7).
2. The motor thermal management module according to claim 1, characterized in that: A cover plate (12) is provided on the front side of the dry chamber (1A).
3. The motor thermal management module according to claim 2, characterized in that: The third temperature sensor (5) is installed inside the dry chamber (1A), the bottom of which is connected to the wet chamber (1B) to contact the oil, and the external interface is connected to the low-pressure plug-in (6).
4. The motor thermal management module according to claim 3, characterized in that: The low-voltage plug-in (6) is mounted on the cover plate (12), and the low-voltage plug-in (6) is connected to the electronic pump (3) and the third temperature sensor (5) wiring harness.
5. The motor thermal management module according to claim 1, characterized in that: The water cooling assembly (7) comprises a drive motor (71) and a cooling water channel (72); the drive motor drives cooling water to enter the oil cooler (4) through the cooling water channel (72) to achieve heat exchange for oil inside the oil cooler.
6. The motor thermal management module according to claim 5, characterized in that: The filter (2), the electronic pump (3), the oil cooler (4) and the water cooling assembly are all arranged in two groups symmetrically on the left and right.
7. The motor thermal management module according to claim 6, characterized in that: It also includes a first temperature sensor (81) and a second temperature sensor (82) respectively connected to the two groups of oil coolers (4).
8. The motor thermal management module according to claim 1, characterized in that: A water inlet (7A) and a water outlet (7B) which are connected to the oil cooler (4) are respectively provided on the front side of the oil pan (1), and the water inlet (7A) is arranged lower than the water outlet (7B).
9. The motor thermal management module according to claim 8, characterized in that: An oil inlet (4A) communicating with the oil cooler (4) is provided at the bottom of the oil pan (1), and an oil outlet (4B) communicating with the oil cooler (4) is provided at the rear side of the oil pan (1).
10. The motor thermal management module according to claim 9, characterized in that: The water inlet (7A) and the water outlet (7B) are symmetrically arranged in two groups; the oil inlet (4A) and the oil outlet (4B) are symmetrically arranged in two groups.
Citation Information
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