Static sealing cooling mechanism

Abstract

The utility model provides a static sealing cooling mechanism which comprises a motor casing and a motor cover which are in butt joint with each other, the casing is provided with a plurality of cooling pipe cavities in the circumferential direction with a motor rotating shaft as the axis, the casing is provided with a first surrounding ring surrounding the end portions of the plurality of cooling pipe cavities, and the motor cover is provided with a second surrounding ring matched with the first surrounding ring for installation. A sealing ring is mounted in a crack between the first surrounding ring and the second surrounding ring; the multiple cooling pipe cavities are arranged, the metal layers are arranged between the adjacent cooling cavities, the cooling pipe cavities can be supported through the metal layers, the rigidity of the cooling ring is improved, one ends of the cooling cavities can be communicated through the cavities, cooling liquid is exchanged in time through the cooling cavities, and the temperature of the cooling liquid in the cooling pipe cavities is balanced; the overall cooling balance and cooling effect of the motor are effectively improved, and the phenomenon of non-uniform cooling can be prevented; in addition, cooling installation of different motors can be achieved by adjusting the number of the cooling rings according to the lengths of the motors.

Description

Technical Field

[0001] The utility model relates to the technical field of motor sealing cooling, in particular to a static sealing cooling mechanism. Background Art

[0002] In the automotive field, current automotive technology is constantly breaking through and innovating. Driven by breakthroughs in new energy systems, automobiles are gradually transitioning to electrification. The three major components of new energy vehicles include batteries, motors, and electronic controls. Motor technology includes technical content such as speed, torque, and cooling. Since the operation of motors is indispensable in the power system of new energy vehicles, the motors will accumulate heat after long-term use. This heat will affect the peak performance and operational stability of the motors. At the same time, the operation of the motors requires electronic controls to control the motors in a timely manner, which requires a response speed of milliseconds or higher. Therefore, the motors and electronic controls are gradually integrated together to reduce the response time of the electronic controls and the overall size of the motors. Therefore, when installing the motors, sealing rings are required to prevent the coolant in the motors from leaking and causing damage to the electronic controls.

[0003] Normally, the motor casing will have a layer of hollow compartments, which are wrapped around the outer periphery of the entire motor shell. The motor cavity is usually arc-shaped. When the cavity is longer, the cavity overhead will become longer. Considering the toughness of the motor casing, it is necessary to thicken the metal layer on both sides of the cavity. This goes against the current characteristics of lightweight and miniaturization of motors. If multiple small cavities are used, the coolant in the multiple small cavities is not convenient for concentrated heat exchange treatment, which may affect the cooling of the motor and affect the stability of the motor. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a static sealing cooling mechanism to solve the problem that the cooling of the motor housing may affect the heat reduction of the motor.

[0005] Based on the technical problems existing in the background technology, the utility model proposes a static sealed cooling mechanism, including a casing, a motor and a cooling ring with a cooling cavity. Multiple cooling rings are connected in sequence to form a cooling pipe sleeve on the outer surface of the motor. Ring covers for sealing the cooling pipe are respectively installed at both ends of the cooling pipe, and the casing is installed on the outside of the cooling pipe.

[0006] Preferably, a plurality of first enclosing rings are provided at one end of the cooling ring, and a plurality of second enclosing rings are provided at the other end, the first enclosing rings of adjacent cooling rings are socketed with the corresponding second enclosing rings, and a sealing ring is installed in the gap between the first enclosing rings and the second enclosing rings.

[0007] Preferably, the plurality of cooling cavities are located within the enclosure of the first enclosure ring.

[0008] Preferably, a ring hole is provided in the sealing ring, and the inner ring wall of the ring hole is in contact with the outer ring wall of the first surrounding ring.

[0009] Preferably, the inner ring wall of the second surrounding ring is installed in contact with the outer ring wall of the first surrounding ring, and the end of the second surrounding ring contacts the sealing ring and squeezes toward the other cooling ring for sealing.

[0010] Preferably, the first surrounding ring and the second surrounding ring are connected to form a cavity connected to the cooling ring, and a plurality of cooling cavities are connected to the cavity.

[0011] Preferably, the cooling cavities of the two adjacent cooling rings are connected through a cavity for fluid exchange, and the cooling cavity in the first surrounding ring contains forward-flow cooling liquid and reverse-flow cooling liquid.

[0012] Preferably, the first surrounding ring on the sealing ring corresponds to the second surrounding ring, and the cooling cavities in the first surrounding ring and the second surrounding ring are the same.

[0013] Preferably, the first surrounding ring and the second surrounding ring are staggered, and the cooling cavities between the first surrounding ring and the second surrounding ring are different.

[0014] Preferably, a liquid changing device is installed on the ring cover.

[0015] Compared with the prior art, the static sealed cooling mechanism proposed in the present invention adopts the above technical solution and achieves the following technical effects:

[0016] The utility model has multiple cooling cavities, and a metal layer is provided between adjacent cooling cavities. The cooling cavities can be supported by the metal layer to improve the rigidity of the cooling ring. One end of the cooling cavity can be connected through the cavity, and the coolant can be exchanged through the cooling cavity in time to balance the temperature of the coolant in the cooling cavity, thereby effectively improving the cooling balance and cooling effect of the entire motor and preventing the occurrence of uneven cooling.

[0017] The present application can also cope with the cooling installation of different motors by adjusting the number of cooling rings according to the length of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional decomposition structure of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the three-dimensional decomposition structure of the utility model Figure 2 ;

[0020] Figure 3 This is a schematic diagram of the corresponding principles of the first encircling ring and the second encircling ring of the present invention;

[0021] Figure 4 This is a schematic diagram of the principle of the staggered first and second enclosing rings of the present invention.

[0022] In the figure: 1, casing; 31, cooling cavity; 3, cooling ring; 300, cooling pipe; 4, ring cover; 32, first surrounding ring; 33, second surrounding ring; 6, sealing ring; 61, ring hole; 5, cavity. DETAILED DESCRIPTION

[0023] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0024] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0025] Example

[0026] Please refer to Figures 1 to 4 The present invention proposes a static sealed cooling mechanism, including a casing 1, a motor and a cooling ring 3 with a cooling cavity 31. Multiple cooling rings 3 are connected in sequence to form a cooling pipe 300 that is sleeved on the outer surface of the motor. The cooling pipe 300 fits the outer surface of the motor and can actively cool the electrode. Ring covers 4 that seal the cooling pipe 300 are respectively installed at both ends of the cooling pipe 300. One of the ring covers 4 needs to be connected to a fluid exchange device, which will cool down the coolant that has absorbed heat and exchange it back into the cooling pipe 300 to continue cooling the motor. A casing 1 is also installed on the periphery of the entire cooling pipe 300. Motors in the automotive field are generally installed under the car and may be hit by small stones. Therefore, the casing 1 can protect the cooling pipe 300.

[0027] In a specific embodiment, reference Figure 1 or Figure 2A plurality of first enclosing rings 32 are provided at one end of the cooling ring 3, and a plurality of second enclosing rings 33 are provided at the other end. The first enclosing rings 32 of adjacent cooling rings 3 are sleeved with the second enclosing rings 33. When the two cooling rings 3 are docked, the first enclosing ring 32 of one sealing ring 6 is docked with the second enclosing ring 33 of the other sealing ring 6. The second enclosing ring 33 is larger than the first enclosing ring 32. When docked, the inner ring wall of the second enclosing ring 33 is installed in contact with the outer ring wall of the first enclosing ring 32. At this time, there is still a gap between the first enclosing ring 32 and the second enclosing ring 33. A sealing ring 6 is installed between the first enclosing ring 32 and the second enclosing ring 33 to seal and prevent leakage.

[0028] In a specific embodiment, reference Figure 1 A ring hole 61 is provided in the sealing ring 6 , and the inner ring wall of the ring hole 61 is in contact with the outer ring wall of the first surrounding ring 32 .

[0029] In a specific embodiment, reference Figure 1 or Figure 2 , multiple cooling cavities 31 are located within the enclosure of the first enclosing ring 32. There will be multiple first enclosing rings 32 on a cooling ring 3. The first enclosing ring 32 is set on the surface of the end of the cooling cavity 31 and can be formed by welding or die casting. At the same time, the number of second enclosing rings 33 is the same as the number of first enclosing rings 32.

[0030] In a specific embodiment, reference Figure 1 or Figure 2 The first enclosing ring 32 and the second enclosing ring 33 are connected to form a cavity 5 connected to the cooling ring 3, and multiple cooling cavities 31 are connected to the cavity 5. In the present application, the cavity 5 is a space connected between two cooling rings 3. Its function is to allow the coolant in the cooling cavity 31 between two adjacent cooling rings 3 to mix in the cavity 5. Since the coolant absorbs heat during the cooling process, the coolant has high and low temperatures during circulation, so the surface temperature of the motor will be heated unevenly and have a large temperature difference, which may cause damage to the motor. Then, the temperature will be higher during reflux, and it will not be able to absorb heat. By mixing the coolant section by section, the coolant is in a state with a small temperature difference, while maintaining the absorption of motor heat, thereby improving safety and reliability.

[0031] In a specific embodiment, reference Figure 1 or Figure 2 The inner ring wall of the second surrounding ring 33 is installed in contact with the outer ring wall of the first surrounding ring 32, that is, the second surrounding ring 33 is sleeved on the first surrounding ring 32, and the end of the second surrounding ring 33 will squeeze the sealing ring 6 sleeved on the first surrounding ring 32, so that the sealing ring 6 contacts the cooling ring 3. At this time, there will be no gap between the second surrounding ring 33 and the adjacent cooling ring 3, and the coolant in its cavity 5 will not flow out through the gap between the first surrounding ring 32 and the second surrounding ring 33.

[0032] In a specific embodiment, reference Figure 1 or Figure 2 The cooling cavities 31 of two adjacent cooling rings 3 are connected through the cavity 5 for fluid exchange, and the cooling cavity 31 in the first surrounding ring 32 contains positive flow cooling liquid and counter-flow cooling liquid; in the cooling cavity 31 in the present application, a part of the cooling cavity 31 has positive flow cooling liquid, and the other part has counter-flow cooling liquid, which can form a circulation through the cavity 5.

[0033] refer to Figure 3 or Figure 4 , the positional relationship between the first enclosing ring 32 and the second enclosing ring 33 in the above solution will affect the overall cooling effect, which can be distributed as a separate cycle and an overall cycle;

[0034] In a specific embodiment, reference Figure 3 or Figure 4 This solution is a separate circulation. The first surrounding ring 32 on the sealing ring 6 corresponds to the second surrounding ring 33. The cooling cavities 31 within the first and second surrounding rings 32 and 33 are the same. The two ends of the cooling cavity 31 leak out at both ends of the cooling ring 3. The cooling cavity 31 enclosed by the first surrounding ring 32 is entirely within the second surrounding ring 33. That is, the cooling cavities 31 on the first surrounding ring 32 can be found on the second surrounding ring 33, and the cooling cavities 31 on the second surrounding ring 33 can be found on the first surrounding ring 32.

[0035] In a specific embodiment, reference Figure 3 or Figure 4 This solution is an integrated circulation. The first enveloping ring 32 and the second enveloping ring 33 are offset, and the cooling cavities 31 between the first enveloping ring 32 and the second enveloping ring 33 are different. The cooling cavity 31 in the first enveloping ring 32 partially overlaps with the cooling cavity 31 in the second enveloping ring 33. The cooling cavity 31 in the second enveloping ring 33 also overlaps with the cooling cavity 31 in another adjacent first enveloping ring 32, thus achieving an integrated circulation effect.

[0036] In a specific embodiment, reference Figure 1 A liquid replacement device is installed on the ring cover 4. In the above two solutions, the liquid replacement device needs to perform individual liquid replacement and overall liquid replacement. The liquid replacement device is connected to one of the ring covers 4.

[0037] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A static sealed cooling mechanism, characterized in that: The invention comprises a housing (1), a motor and a cooling ring (3) having a cooling cavity (31); a plurality of the cooling rings (3) are connected in sequence to form a cooling pipe (300) which is sleeved on the outer surface of the motor; ring covers (4) for sealing the cooling pipe (300) are respectively installed at both ends of the cooling pipe (300); and the housing (1) is installed on the outer side of the cooling pipe (300).

2. The static sealing cooling mechanism according to claim 1, characterized in that: A plurality of first surrounding rings (32) are provided at one end of the cooling ring (3), and a plurality of second surrounding rings (33) are provided at the other end. The first surrounding rings (32) of adjacent cooling rings (3) are sleeved with the corresponding second surrounding rings (33), and a sealing ring (6) is installed in the gap between the first surrounding rings (32) and the second surrounding rings (33).

3. The static sealing cooling mechanism according to claim 2, characterized in that: The plurality of cooling cavities (31) are located within the enclosure of the first enclosure ring (32).

4. The static sealing cooling mechanism according to claim 2, characterized in that: A ring hole (61) is provided in the sealing ring (6), and the inner ring wall of the ring hole (61) is in contact with the outer ring wall of the first surrounding ring (32).

5. The static sealing cooling mechanism according to claim 2, characterized in that: The inner ring wall of the second surrounding ring (33) is installed in contact with the outer ring wall of the first surrounding ring (32), and the end of the second surrounding ring (33) contacts the sealing ring (6) and squeezes toward the other cooling ring (3) for sealing.

6. The static sealing cooling mechanism according to claim 2, characterized in that: The first surrounding ring (32) and the second surrounding ring (33) are connected to form a cavity (5) connected to the cooling ring (3), and the plurality of cooling cavities (31) are connected to the cavity (5).

7. The static sealing cooling mechanism according to claim 6, characterized in that: The cooling chambers (31) of the two adjacent cooling rings (3) are connected through the cavity (5) for fluid exchange, and the cooling chamber (31) in the first surrounding ring (32) contains positive flow cooling liquid and counter-flow cooling liquid.

8. The static sealing cooling mechanism according to claim 2, characterized in that: The first surrounding ring (32) and the second surrounding ring (33) on the sealing ring (6) correspond to each other, and the cooling cavities (31) in the first surrounding ring (32) and the second surrounding ring (33) are the same.

9. The static sealing cooling mechanism according to claim 2, characterized in that: The first surrounding ring (32) and the second surrounding ring (33) are offset, and the cooling cavity (31) between the first surrounding ring (32) and the second surrounding ring (33) is different.

10. The static sealing cooling mechanism according to claim 1, characterized in that: A liquid changing device is installed on the ring cover (4).

Images