Rapid-cooling oil cooling device of new energy automobile electric drive system

Abstract

The utility model discloses a fast cooling oil cooling device of a new energy automobile electric drive system, and relates to the field of new energy automobile electric drive systems, the fast cooling oil cooling device comprises a filter cartridge, a support net and a preprocessor, one end of the filter cartridge is fixedly connected with a fixed baffle, and the other end of the filter cartridge is fixedly connected with a connecting through pipe. According to the rapid-cooling oil cooling device for the electric drive system of the new energy automobile, by arranging the blocking assembly, the preprocessor and the connecting assembly, in the using process of the oil cooling device for the electric drive system of the new energy automobile, smooth operation of the oil cooling device under different conditions is met, rapid cooling of the electric drive system of the automobile is achieved, and the service life of the oil cooling device is prolonged. And meanwhile, cooling oil is subjected to certain filtering treatment, the purity of the cooling oil is guaranteed, the situation that the new energy automobile electric drive system is damaged by impure cooling oil is avoided, the leakproofness of the pipeline connecting position is guaranteed, the situation of leakage at the connecting position is avoided, and workers can conveniently use the oil cooling device of the new energy automobile electric drive system.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile electric drive system field, concretely is a kind of oil cooling device of new energy automobile electric drive system of cooling fast. BACKGROUND

[0002] New energy automobile electric drive system is the power source of new energy automobile, is responsible for the efficient conversion of electric energy into mechanical energy, drives vehicle travel, and the oil cooling device of new energy automobile electric drive system is a kind of efficient, reliable heat sink, it is a kind of heat-conducting oil directly infiltrated or sprayed motor heating components using insulation, heat sink is taken away by heat-conducting oil circulation, and it is of great significance to improve the performance and reliability of new energy automobile.

[0003] However, the current oil cooling device still has some deficiencies, such as the oil cooling device of new energy automobile electric drive system with application number 202220673240.8, which has not been fully considered in the pretreatment structure of the oil cooling device. In the use process of the oil cooling device of new energy automobile electric drive system, if the oil cooling device is not fully considered in the pretreatment structure, the purity of the cooling oil may not be guaranteed, and the impure cooling oil may damage the new energy automobile electric drive system, thereby affecting the performance of the new energy automobile electric drive system, and the staff is not convenient for using the oil cooling device of new energy automobile electric drive system.

[0004] Therefore, it is necessary to improve this defect, and the utility model is to research and improve the existing structure and deficiency, and provide an oil cooling device of new energy automobile electric drive system with rapid cooling. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an oil cooling device of new energy automobile electric drive system with rapid cooling to solve the problems raised in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: an oil cooling device of new energy automobile electric drive system with rapid cooling, comprising a filter cartridge, a support net and a pretreater, one end of the filter cartridge is fixedly connected with a fixed baffle, the other end of the filter cartridge is fixedly connected with a connecting pipe, the inside of the connecting pipe is provided with a blocking assembly, the other end of the connecting pipe is fixedly connected with a pressure relief cover, the support net is fixedly connected between the fixed baffle and the pressure relief cover, a filter medium is arranged between the support net and the filter cartridge, one side of the fixed baffle is fixedly connected with an oil inlet pipe, the pretreater is arranged on one side of the oil inlet pipe, the top of the pretreater is fixedly connected with an oil filling pipe, one side of the pretreater is fixedly connected with a fixed pipe, and a connecting assembly is arranged at the connection between the fixed pipe and the oil inlet pipe.

[0007] Further, the blocking assembly comprises a blocking block, a limiting rod, a fixing member and a return spring, the surface of the blocking block is in contact with the outer wall of the filter cartridge, a sealing gasket is arranged at the connecting position of the blocking block and the filter cartridge, and the limiting rod is welded to one side of the blocking block.

[0008] Further, one end of the limiting rod is provided with the fixing member, the fixing member is fixedly connected with the inner wall of the connecting pipe, one side of the fixing member is provided with the return spring, and the return spring is arranged outside the limiting rod.

[0009] Further, the inside of the preprocessor is provided with a first filter plate, the lower portion of the first filter plate is provided with a second filter plate, and the lower portion of the second filter plate is provided with a third filter plate.

[0010] Further, the front side of the preprocessor is welded with a clamping frame, the front side of the preprocessor is clamped and connected with a sealing plate through the clamping frame, and the four corners of the sealing plate are fixedly connected with the preprocessor through bolts.

[0011] Further, the end of the fixed pipe is welded with a clamping ring, and the fixed pipe is clamped and connected with the oil inlet pipe through the clamping ring.

[0012] Further, the connecting assembly comprises a threaded member, a limiting ring, a limiting member, a compression spring and a clamping member, one end of the threaded member is welded with the limiting ring on the inner wall, the threaded member is clamped and slidably connected with the outer wall of the fixed pipe through the limiting ring, and the threaded member is rotatably connected with the oil inlet pipe through the internal thread.

[0013] Further, the inside of the threaded member is provided with the limiting member, the outer side of the limiting member is provided with the compression spring, the end of the limiting member is welded with the clamping member penetrating through the threaded member, the outer wall of the oil inlet pipe is provided with a clamping groove, and the clamping member is clamped and connected with the oil inlet pipe through the clamping groove.

[0014] The utility model provides a kind of oil cooling device of new energy automobile electric drive system of cooling fast, with following beneficial effects:

[0015] 1, the utility model is provided with blocking assembly, in the use process of the oil cooling device of new energy automobile electric drive system, blocking block is extruded to return spring, so that the connecting position of blocking block and filter cartridge generates gap, to facilitate the circulation of cooling oil, meet the smooth operation of oil cooling device under different conditions, realize the rapid cooling of automobile electric drive system, facilitate staff to use the oil cooling device of new energy automobile electric drive system.

[0016] 2, The utility model discloses a pretreater and connecting assembly are provided, in the use process of the oil cooling device of new energy automobile electric drive system, the first filter plate, the second filter plate and the third filter plate that the pretreater is set from top to bottom carry out certain filtration treatment to cooling oil, guarantee the purity of cooling oil, avoid the impure cooling oil to cause damage to new energy automobile electric drive system, and utilize the location of screw part with the close -fit piece, guarantee the close connection of fixed pipe and oil inlet pipe, avoid the leakage situation of junction, guarantee the smooth circulation of cooling oil, convenient for staff to use the oil cooling device of new energy automobile electric drive system. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the appearance three-dimensional structure schematic diagram of the oil cooling device of new energy automobile electric drive system of the utility model of cooling fast;

[0018] Figure 2 It is the filter cartridge-oil inlet pipe three-dimensional sectional view structure schematic diagram of the oil cooling device of new energy automobile electric drive system of the utility model of cooling fast;

[0019] Figure 3 It is the oil inlet pipe-connecting assembly three-dimensional local sectional view structure split schematic diagram of the oil cooling device of new energy automobile electric drive system of the utility model of cooling fast; Figure 2 It is the structure enlarged schematic diagram of A place in the utility model;

[0020] Figure 4 It is the oil inlet pipe-connecting assembly three-dimensional local sectional view structure split schematic diagram of the oil cooling device of new energy automobile electric drive system of the utility model of cooling fast;

[0021] In the drawing: 1, filter cartridge;2, fixed baffle;3, connecting pipe;4, blocking assembly;401, blocking block;402, limit rod;403, fixed part;404, reset spring;5, pressure relief cover;6, support net;7, filter material;8, oil inlet pipe;9, pretreater;10, oil filling pipe;11, first filter plate;12, second filter plate;13, third filter plate;14, close frame;15, sealing plate;16, fixed pipe;17, close ring;18, connecting assembly;1801, screw part;1802, limit ring;1803, limiting piece;1804, compression spring;1805, close piece. DETAILED DESCRIPTION

[0022] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0023] As Figures 1-3As shown, a kind of oil cooling device of new energy automobile electric drive system cooling fast, including filter cartridge 1, support net 6 and preprocessor 9, one end of filter cartridge 1 is fixedly connected with fixed baffle 2, and another end of filter cartridge 1 is fixedly connected with connecting pipe 3, and the inside of connecting pipe 3 is provided with blocking assembly 4, blocking assembly 4 includes blocking block 401, limiting rod 402, fixed part 403 and reset spring 404, and the surface of blocking block 401 is in contact with the outer wall of filter cartridge 1, and sealing gasket is arranged at the connecting portion of blocking block 401 and filter cartridge 1, and limiting rod 402 is welded on the side of blocking block 401, the outer side of one end of limiting rod 402 is provided with fixed part 403, and fixed part 403 is fixedly connected with the inner wall of connecting pipe 3, and reset spring 404 is arranged on the side of fixed part 403, and reset spring 404 is arranged on the outer side of limiting rod 402, and the other end of connecting pipe 3 is fixedly connected with pressure relief cover 5, support net 6 is fixedly connected between fixed baffle 2 and pressure relief cover 5, and filter material 7 is arranged between support net 6 and filter cartridge 1, and the side of fixed baffle 2 is fixedly connected with oil inlet pipe 8;

[0024] Specific operation is as follows, when the dirt content of filter material 7 is smaller, or external negative pressure is lower, cooling oil enters filter cartridge 1 from oil inlet pipe 8, then enters filter material 7 from four sides of filter cartridge 1, and after being treated by filter material 7, it flows outwards through support net 6, when the dirt content of filter material 7 is larger, or external negative pressure is larger, blocking block 401 in blocking assembly 4 moves to one side, and reset spring 404 arranged on the outer side of limiting rod 402 is extruded, at the same time, gap is generated at the connecting portion of blocking block 401 and filter cartridge 1, at this time, cooling oil enters filter cartridge 1, gradually flows into connecting pipe 3, and flows outwards from pressure relief cover 5 fixedly connected with the other end of connecting pipe 3, simple structure, ensure the rapid cooling of automobile electric drive system, facilitate staff to use the oil cooling device of new energy automobile electric drive system.

[0025] As Figure 1 And Figure 4As shown, the preprocessor 9 is arranged on one side of the oil inlet pipe 8, and the top of the preprocessor 9 is fixedly connected with the oil injection pipe 10, the inside of the preprocessor 9 is provided with the first filter plate 11, the lower side of the first filter plate 11 is provided with the second filter plate 12, and the lower side of the second filter plate 12 is provided with the third filter plate 13, the front side of the preprocessor 9 is welded with the clamping frame 14, and the front side of the preprocessor 9 is clamped and connected with the sealing plate 15 through the clamping frame 14, and the four corners of the sealing plate 15 are fixedly connected with the preprocessor 9 through bolts, and one side of the preprocessor 9 is fixedly connected with the fixing pipe 16, the end of the fixing pipe 16 is welded with the clamping ring 17, and the fixing pipe 16 is clamped and connected with the oil inlet pipe 8 through the clamping ring 17, and the connecting assembly 18 is arranged at the connecting position of the fixing pipe 16 and the oil inlet pipe 8, the connecting assembly 18 comprises a threaded part 1801, a limiting ring 1802, a limiting part 1803, a compression spring 1804 and a clamping part 1805, one end of the threaded part 1801 is welded with the limiting ring 1802, the threaded part 1801 is clamped and slidably connected with the outer wall of the fixing pipe 16 through the limiting ring 1802, the threaded part 1801 is rotatably connected with the oil inlet pipe 8 through internal threads, the inside of the threaded part 1801 is provided with the limiting part 1803, the outer side of the limiting part 1803 is provided with the compression spring 1804, and the end of the limiting part 1803 is welded with the clamping part 1805 through the threaded part 1801, and the outer wall of the oil inlet pipe 8 is provided with a clamping groove, and the clamping part 1805 is clamped and connected with the oil inlet pipe 8 through the clamping groove;

[0026] Specific operation as follows, from the oil injection pipe 10 fixedly connected with the top of the preprocessor 9 to the inside of the preprocessor 9 injects cooling oil, the first filter plate 11, the second filter plate 12 and the third filter plate 13 arranged from top to bottom in the preprocessor 9 perform certain filtering treatment on the cooling oil to ensure the purity of the cooling oil, in addition, the fixing pipe 16 and the oil inlet pipe 8 are tightly connected through the connecting assembly 18, by rotating the threaded part 1801, using the internal threads of the threaded part 1801, rotating the threaded part 1801 to the outer side of the oil inlet pipe 8, then moving the clamping part 1805 at the end of the threaded part 1801, so that the limiting part 1803 welded on one side of the clamping part 1805 gradually extends out of the threaded part 1801, and the compression spring 1804 arranged on the outer side of the limiting part 1803 is extruded, at the same time, the clamping part 1805 is rotated, so that the clamping part 1805 is clamped between the clamping groove arranged on the outer wall of the oil inlet pipe 8, thereby ensuring the tight connection of the fixing pipe 16 and the oil inlet pipe 8, the structure is simple, and it is convenient for the staff to use the oil cooling device of the new energy automobile electric drive system.

[0027] In summary, the cooling rapid new energy automobile electric drive system oil cooling device, according to Figures 1-4In the use process of the oil cooling device of the new energy automobile electric drive system, first, when the dirt amount of the filter material 7 is small or the external negative pressure is low, the cooling oil enters the filter cartridge 1 from the oil inlet pipe 8, then enters the filter material 7 from four sides of the filter cartridge 1, and then is discharged outward through the support net 6 after being treated by the filter material 7, when the dirt amount of the filter material 7 is large or the external negative pressure is large, the blocking block 401 in the blocking assembly 4 moves to one side and extrudes the reset spring 404 arranged outside the limiting rod 402, at the same time, a gap is generated at the connection position of the blocking block 401 and the filter cartridge 1, at this time, the cooling oil enters the filter cartridge 1 and then gradually flows into the connecting pipe 3, and then is discharged outward from the pressure relief cover 5 fixedly connected to the other end of the connecting pipe 3, in addition, the cooling oil is injected into the pre-treater 9 through the oil injection pipe 10 fixedly connected to the top of the pre-treater 9, the first filter plate 11, the second filter plate 12 and the third filter plate 13 arranged from top to bottom in the pre-treater 9 perform a certain filtering treatment on the cooling oil, so as to ensure the purity of the cooling oil, in addition, the fixed pipe 16 and the oil inlet pipe 8 are tightly connected through the connecting assembly 18, the threaded part 1801 is rotated, the inner thread of the threaded part 1801 is used to rotate the threaded part 1801 to the outside of the oil inlet pipe 8, then the clamping part 1805 at the end of the threaded part 1801 is pushed, the limiting part 1803 welded on one side of the clamping part 1805 gradually extends from the threaded part 1801, and the compression spring 1804 arranged outside the limiting part 1803 is extruded, at the same time, the clamping part 1805 is rotated, so that the clamping part 1805 is clamped between the clamping groove formed in the outer wall of the oil inlet pipe 8, so as to tightly connect the fixed pipe 16 and the oil inlet pipe 8, and the oil cooling device of the new energy automobile electric drive system is simple in structure and convenient for use.

[0028] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. An oil cooling device for cooling a quick new energy vehicle electric drive system, comprising a filter cartridge (1), a support net (6) and a preprocessor (9), characterized in that, One end of the filter cartridge (1) is fixedly connected with a fixed baffle (2), the other end of the filter cartridge (1) is fixedly connected with a connecting pipe (3), the inside of the connecting pipe (3) is provided with a blocking assembly (4), the other end of the connecting pipe (3) is fixedly connected with a pressure relief cover (5), the supporting net (6) is fixedly connected between the fixed baffle (2) and the pressure relief cover (5), the filter material (7) is arranged between the supporting net (6) and the filter cartridge (1), one side of the fixed baffle (2) is fixedly connected with an oil inlet pipe (8), the pretreater (9) is arranged on one side of the oil inlet pipe (8), the top of the pretreater (9) is fixedly connected with an oil injection pipe (10), one side of the pretreater (9) is fixedly connected with a fixed pipe (16), and the connecting portion of the fixed pipe (16) and the oil inlet pipe (8) is provided with a connecting assembly (18).

2. The oil cooling device for quickly cooling the electric drive system of a new energy vehicle according to claim 1, characterized in that, The blocking assembly (4) comprises a blocking block (401), a limiting rod (402), a fixing piece (403) and a reset spring (404), the surface of the blocking block (401) is in contact with the outer wall of the filter cartridge (1), the connecting portion of the blocking block (401) and the filter cartridge (1) is provided with a sealing gasket, and one side of the blocking block (401) is welded with the limiting rod (402).

3. The oil cooling device for cooling a quick new energy vehicle electric drive system according to claim 2, characterized in that, One end of the limiting rod (402) is provided with the fixing piece (403) on the outside, the fixing piece (403) is fixedly connected with the inner wall of the connecting pipe (3), and one side of the fixing piece (403) is provided with the reset spring (404), and the reset spring (404) is arranged on the outside of the limiting rod (402).

4. The oil cooling device for cooling a quick new energy vehicle electric drive system according to claim 1, characterized in that, The inside of the pretreater (9) is provided with a first filter plate (11), the lower portion of the first filter plate (11) is provided with a second filter plate (12), and the lower portion of the second filter plate (12) is provided with a third filter plate (13).

5. The oil cooling device for cooling a quick new energy vehicle electric drive system according to claim 1, characterized in that, The front side of the pretreater (9) is welded with a clamping frame (14), the front side of the pretreater (9) is clamped and connected with a sealing plate (15) through the clamping frame (14), and the four corners of the sealing plate (15) are fixedly connected with the pretreater (9) through bolts.

6. The oil cooling device for cooling a quick new energy vehicle electric drive system according to claim 1, characterized in that, The end of the fixed pipe (16) is welded with a clamping ring (17), and the fixed pipe (16) is clamped and connected with the oil inlet pipe (8) through the clamping ring (17).

7. The oil cooling device for cooling a quick new energy vehicle electric drive system according to claim 1, characterized in that, The connecting assembly (18) comprises a threaded piece (1801), a limiting ring (1802), a limiting piece (1803), a compression spring (1804) and a clamping piece (1805), one end of the threaded piece (1801) is welded with the limiting ring (1802) on the inner wall, the threaded piece (1801) is clamped and slidably connected with the outer wall of the fixed pipe (16) through the limiting ring (1802), and the threaded piece (1801) is rotatably connected with the oil inlet pipe (8) through the internal thread. 8.The oil cooling device for cooling a quick new energy vehicle electric drive system according to claim 7, characterized in that, The inside of the threaded part (1801) is provided with a limiting part (1803), the outside of the limiting part (1803) is provided with a compression spring (1804), and the end of the limiting part (1803) is welded with a clamping part (1805) penetrating through the threaded part (1801), and the outer wall of the oil inlet pipe (8) is provided with a clamping groove, and the clamping part (1805) is clamped and connected with the oil inlet pipe (8) through the clamping groove.

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