Double-coil type automobile air conditioner electromagnetic clutch and using method thereof

Abstract

The invention discloses a double-coil type automobile air conditioner electromagnetic clutch and a using method thereof.The double-coil type automobile air conditioner electromagnetic clutch comprises a driving belt wheel, a flywheel is rotationally installed in the driving belt wheel, a bearing is rotationally installed at the axis of the flywheel, and a heat dissipation driving assembly is rotationally installed on the outer surface of the bearing; and a protection assembly is fixedly installed on the outer surface of the driving belt wheel, and the protection assembly is arranged on the outer surface of the heat dissipation driving assembly in a sleeving mode. According to the double-coil type automobile air conditioner electromagnetic clutch and the using method thereof, when the clutch works to generate heat, the cooling disc set is started, and cooling liquid enters the cooling pipe in the shell through the injection pipe and absorbs heat of parts such as a friction plate and a pressing disc in the flowing process in the cooling pipe. The cooling pipes of the cooling disc set achieve circulating heat exchange of cooling liquid, heat generated during work of the clutch can be rapidly taken away, and performance reduction of parts such as friction plates caused by overheating is avoided.

Description

Technical Field

[0001] This invention relates to the field of electromagnetic clutch technology, specifically to a dual-coil automotive air conditioning electromagnetic clutch and its usage method. Background Technology

[0002] With the development of the automotive industry, especially the rise of new energy vehicles, the performance requirements for automotive air conditioning electromagnetic clutches are becoming increasingly stringent. New energy vehicles have placed higher standards on the efficiency, energy saving, and stable operation of air conditioning systems. The automotive air conditioning electromagnetic clutch is a key power transmission device between the automotive engine and the air conditioning compressor, and is a typical mechatronics product. Its performance directly determines the stability and service life of the automotive air conditioning system.

[0003] Currently, traditional electromagnetic clutches rely on the switching of coils to control the engagement and disengagement of the clutch. Using a dry electromagnetic clutch in a dusty environment will significantly shorten its lifespan, as dust entering the clutch components is difficult to clean. Furthermore, covering the electromagnetic clutch with a shield will result in excessive heat generation and severe heat dissipation problems, further shortening its service life. Summary of the Invention

[0004] To solve the above technical problems, the present invention is achieved through the following technical solution: a dual-coil automotive air conditioning electromagnetic clutch and its usage method, comprising: a drive pulley, a flywheel rotatably mounted inside the drive pulley, a bearing rotatably mounted at the axis of the flywheel, a heat dissipation drive assembly rotatably mounted on the outer surface of the bearing, and a protective assembly fixedly mounted on the outer surface of the drive pulley, the protective assembly being sleeved on the outer surface of the heat dissipation drive assembly; The heat dissipation drive assembly includes a pressure plate. Friction plates are respectively installed on both sides of the outer surface of the pressure plate. A fixing plate is fixedly installed on the surface of the friction plates. A torsional damper is fixedly installed on the outer surface of the fixing plate. A cooling disc assembly is threadedly installed on the surface of the pressure plate away from the drive pulley. Engine power is transmitted to the drive pulley, which drives the heat dissipation drive assembly to rotate through the rotational cooperation of the flywheel and bearing.

[0005] Preferably, the friction plate is made of rubber, the friction plate and the pressure plate are alternately arranged, and the cooling plate assembly, the torsional damper and the pressure plate are all sleeved on the outer surface of the bearing.

[0006] Preferably, the cooling plate assembly includes a housing, with a connecting plate fixedly installed on the side of the outer surface of the housing. An injection pipe and a discharge pipe are fixedly installed inside the connecting plate, and a cooling pipe is formed inside the connecting plate. A sliding pad is fixedly installed on the inner wall of the cooling pipe, and a cleaning slip ring is slidably installed between the opposite surfaces of the sliding pad. When the clutch generates heat during operation, the cooling plate assembly activates, and coolant enters the cooling pipe inside the housing through the injection pipe. During its flow within the cooling pipe, coolant absorbs heat from components such as the friction plates and pressure plate. The cooling pipe of the cooling plate assembly achieves circulating heat exchange of the coolant, quickly removing the heat generated by the clutch operation and preventing performance degradation of components such as the friction plates due to overheating.

[0007] Preferably, the connecting disc is threaded onto the outer surface of the pressure plate, and the cleaning slip ring is made of a floating material. The cleaning slip ring is slidably installed inside the cooling pipe, and it is slidably adapted to the sliding pad. The cleaning slip ring slides with the coolant inside the cooling pipe, using its sliding adaptation with the sliding pad to clean the inner wall of the cooling pipe, preventing impurities from accumulating and affecting heat dissipation efficiency. The coolant, after absorbing heat, is discharged through the drain pipe, completing the heat exchange cycle. The cleaning slip ring automatically cleans the inner wall of the cooling pipe, ensuring long-term stability of heat dissipation efficiency.

[0008] Preferably, the torsional damper includes a fixed ring plate, a driven disc hub is fixedly mounted on the outer surface of the fixed ring plate, a damper disc is fixedly mounted on the outer surface of the driven disc hub, and a damping plate is clamped between the adjacent surfaces of the driven disc hub and the damper disc. Springs are fixedly mounted inside the driven disc hub, the damper disc, and the damping plate. The diaphragm damper is conical in shape. Under the pressure of the clutch cover, it presses the torsional damper tightly against the flywheel end face. The driven disc hub and the damper disc in the torsional damper absorb and buffer torsional vibrations during power transmission through the elastic buffering of the springs and the frictional damping of the damping plates. Subsequently, the power is further transmitted through the friction plates and pressure plate. At this time, the engine power is transmitted through the flywheel, the torsional damper, and the gearbox input shaft, achieving power engagement.

[0009] Preferably, the fixed ring plate is fixedly installed on the outer surface of the fixed plate, and the shock absorber disc is installed on the surface of the driven disc hub through spring transmission, and the shock absorber disc is frictionally adapted to the damping sheet.

[0010] Preferably, the protective component includes a washer ring, an mounting ring fixedly mounted on the outer surface of the washer ring, heat dissipation grooves formed on the surface of the mounting ring, an outer cover fixedly mounted on the outer surface of the washer ring, and a diaphragm damping component fixedly mounted inside the outer cover. The mounting ring, outer cover, and washer ring form a closed protective structure, enclosing the heat dissipation drive component, isolating it from external pollution, and preventing external dust and impurities from entering. At the same time, the diaphragm damping component enhances the overall damping effect, protecting the internal precision structure. Furthermore, the outer cover, in conjunction with the cooling plate assembly, can prevent heat from accumulating inside the outer cover, thus avoiding situations where the clutch generates excessive heat and has serious heat dissipation problems.

[0011] Preferably, the mounting ring is fixedly mounted on the outer surface of the drive pulley, the washer ring is snapped into fit with the pressure plate and connecting plate, and the diaphragm damper is fixedly mounted on the outer side of the housing. The bearing 1 pushes the diaphragm damper 21, causing it to elastically deform and reverse its conical structure. Its outer circumference exerts a clamping force on the torsional damper 52, engaging the clutch and thus pressing the flywheel 4, pressure plate 51, and torsional damper 52 together to achieve power transmission. The pressure plate 51 releases its pressure on the torsional damper 52, causing the torsional damper 52 to separate from the flywheel 4, interrupting power transmission and disengaging the clutch. The diaphragm damper 21 includes a disc-shaped plate 211 with radial grooves 213 and separation fingers 212. Preferably, the diaphragm damper includes a disc-shaped plate with radial grooves and separation fingers. Diaphragm dampers further buffer vibrations during power transmission through the structural deformation of the disc-shaped plate, the elastic effect of the separation fingers, and the stress dispersion of the radial groove.

[0012] Preferably, a method for using a dual-coil automotive air conditioning electromagnetic clutch comprises the following steps: S1. Assembly Connection: The engine output end is connected to the drive pulley for transmission. After the engine starts, the power is transmitted to the drive pulley. The drive pulley drives the heat dissipation drive components to rotate through the rotation of the flywheel and the bearing. S2. Start-up and operation: The diaphragm damper is conical. Under the pressure of the clutch cover, it presses the torsional damper tightly against the flywheel end face. The driven disc hub and damper disc in the torsional damper absorb and buffer the torsional vibration during power transmission through the elastic buffer of the spring and the friction damping of the damping plate. Then the power is further transmitted through the friction plate and pressure plate. At this time, the engine power is transmitted through the flywheel, torsional damper and gearbox input shaft to achieve power engagement. S3, Pressure Control: The bearing pushes the diaphragm damper, causing the diaphragm damper to undergo elastic deformation. The conical structure reverses, and its outer circumference generates a clamping force on the torsional damper, putting the clutch in the engaged state. This clamps the flywheel, pressure plate, and torsional damper together, enabling power transmission. The pressure plate releases the pressure on the torsional damper, causing the torsional damper to separate from the flywheel, interrupting power transmission and disengaging the clutch. S4. Cooling: When the clutch generates heat during operation, the cooling plate assembly is activated. Coolant enters the cooling pipe inside the housing through the injection pipe. During the flow in the cooling pipe, it absorbs the heat from the friction plates and pressure plate. The cleaning slip ring slides with the coolant in the cooling pipe and cleans the inner wall of the cooling pipe by utilizing its sliding fit with the sliding pad.

[0013] This invention provides a dual-coil automotive air conditioning electromagnetic clutch and its usage method. It has the following beneficial effects: (I) The dual-coil automotive air conditioning electromagnetic clutch and its operating method: When the clutch generates heat during operation, the cooling plate assembly is activated, and the coolant enters the cooling pipe inside the housing through the injection pipe. During the flow within the cooling pipe, the coolant absorbs heat from components such as the friction plates and pressure plate. The cooling pipe of the cooling plate assembly achieves circulating heat exchange of the coolant, which can quickly remove the heat generated by the clutch operation and prevent the performance of components such as the friction plates from deteriorating due to overheating.

[0014] (II) The dual-coil automotive air conditioning electromagnetic clutch and its usage method utilize a cleaning slip ring that slides with the coolant inside the cooling pipe. Through its sliding fit with the sliding pad, it cleans the inner wall of the cooling pipe, preventing impurities from accumulating and affecting heat dissipation efficiency. The coolant, after absorbing heat, is discharged through the drain pipe, completing the heat exchange cycle. The cleaning slip ring automatically cleans the inner wall of the cooling pipe, ensuring long-term stability of heat dissipation efficiency.

[0015] (III) The dual-coil automotive air conditioning electromagnetic clutch and its usage method first utilize the torsional damper in the heat dissipation drive assembly. The driven disc hub and damper disc absorb and buffer the torsional vibration during power transmission through the elastic buffer of the spring and the friction damping of the damping plate, reducing the fatigue wear of the parts and improving the service life of the clutch. Subsequently, the power is further transmitted through the friction plate, pressure plate and other components to realize the engagement of the clutch and output the power.

[0016] (iv) The dual-coil automotive air conditioning electromagnetic clutch and its usage method further buffer the vibration during power transmission by means of the diaphragm damper through the structural deformation of the disc plate, the elastic effect of the release finger and the stress dispersion of the radial groove.

[0017] (V) The dual-coil automotive air conditioning electromagnetic clutch and its usage method form a closed protective structure through the mounting ring, outer cover and gasket ring, which encloses the heat dissipation drive component, isolates it from external pollution, and prevents external dust and impurities from entering. At the same time, it works with diaphragm damping components to enhance the overall damping effect and protect the internal precision structure. Meanwhile, the outer cover works with the cooling plate assembly to avoid heat accumulation inside the outer cover, which could lead to high clutch heat generation and serious heat dissipation problems. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the disassembled structure of the protective component of the present invention; Figure 3 This is a schematic diagram showing the disassembled structure of the protective component and the heat dissipation drive component of the present invention; Figure 4 This is a schematic diagram of the structure of the diaphragm damping component of the present invention; Figure 5 This is a schematic cross-sectional view of the cooling plate assembly of the present invention; Figure 6 This is a schematic cross-sectional view of the cooling plate assembly of the present invention; Figure 7 This is an enlarged structural schematic diagram of the cooling plate assembly of the present invention; Figure 8 This is a schematic diagram of the disassembled structure of the torsional shock absorber of the present invention; Figure 9 This is a schematic diagram of the torsional shock absorber of the present invention; Figure 10 This is a flowchart illustrating the method of using a dual-coil automotive air conditioning electromagnetic clutch according to the present invention.

[0019] In the diagram: 1. Bearing; 2. Protective assembly; 21. Diaphragm damper; 211. Disc; 212. Separation finger; 213. Radial groove; 22. Mounting ring; 23. Outer cover; 24. Heat dissipation groove; 25. Washer ring; 3. Drive pulley; 4. Flywheel; 5. Heat dissipation drive assembly; 51. Pressure plate; 52. Torsional damper; 521. Fixed ring plate; 522. Damper disc; 523. Spring; 524. Driven disc hub; 53. Friction plate; 54. Cooling disc assembly; 541. Housing; 542. Injection pipe; 543. Discharge pipe; 544. Connecting disc; 545. Cleaning slip ring; 546. Sliding pad; 547. Cooling pipe; 55. Fixing plate. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] First embodiment, such as Figures 1 to 9 As shown, the present invention provides a technical solution: a dual-coil automotive air conditioning electromagnetic clutch and its usage method, comprising: a drive pulley 3, a flywheel 4 rotatably mounted inside the drive pulley 3, a bearing 1 rotatably mounted at the axis of the flywheel 4, a heat dissipation drive assembly 5 rotatably mounted on the outer surface of the bearing 1, and a protective assembly 2 fixedly mounted on the outer surface of the drive pulley 3, the protective assembly 2 being sleeved on the outer surface of the heat dissipation drive assembly 5; The heat dissipation drive assembly 5 includes a pressure plate 51. Friction plates 53 are respectively installed on both sides of the outer surface of the pressure plate 51. A fixing plate 55 is fixedly installed on the surface of the friction plates 53. A torsional damper 52 is fixedly installed on the outer surface of the fixing plate 55. A cooling plate assembly 54 is threadedly installed on the surface of the pressure plate 51 away from the drive pulley 3. Engine power is transmitted to the drive pulley 3, which drives the heat dissipation drive assembly 5 to rotate through the rotational cooperation between the flywheel 4 and the bearing 1.

[0022] The friction plate 53 is made of rubber. The friction plate 53 and the pressure plate 51 are alternately arranged. The cooling plate group 54, the torsional damper 52 and the pressure plate 51 are all sleeved on the outer surface of the bearing 1.

[0023] The cooling plate assembly 54 includes a housing 541. A connecting plate 544 is fixedly installed on the side of the outer surface of the housing 541. An injection pipe 542 and a discharge pipe 543 are fixedly installed inside the connecting plate 544. A cooling pipe 547 is provided inside the connecting plate 544. A sliding pad 546 is fixedly installed on the inner wall of the cooling pipe 547. A cleaning slip ring 545 is slidably installed between the opposite surfaces of the sliding pad 546. When the clutch generates heat during operation, the cooling plate assembly 54 is activated. Coolant enters the cooling pipe 547 inside the housing 541 through the injection pipe 542. During the flow in the cooling pipe 547, it absorbs the heat from components such as the friction plates 53 and the pressure plate 51. The cooling pipe 547 of the cooling plate assembly 54 achieves circulating heat exchange of the coolant, which can quickly remove the heat generated by the clutch operation and prevent the performance of components such as the friction plates 53 from deteriorating due to overheating.

[0024] The connecting plate 544 is threaded onto the outer surface of the pressure plate 51. The cleaning slip ring 545 is made of a floating material and is slidably installed inside the cooling pipe 547, with a sliding fit between the cleaning slip ring 545 and the sliding pad 546. The cleaning slip ring 545 slides with the coolant inside the cooling pipe 547, using its sliding fit with the sliding pad 546 to clean the inner wall of the cooling pipe 547, preventing impurities from accumulating and affecting heat dissipation efficiency. The coolant, after absorbing heat, is discharged through the discharge pipe 543, completing the heat exchange cycle. The cleaning slip ring 545 automatically cleans the inner wall of the cooling pipe 547, ensuring long-term stability of heat dissipation efficiency.

[0025] The torsional damper 52 includes a fixed ring plate 521. A driven disc hub 524 is fixedly mounted on the outer surface of the fixed ring plate 521. A damper disc 522 is fixedly mounted on the outer surface of the driven disc hub 524. A damping plate is clamped between the adjacent surfaces of the driven disc hub 524 and the damper disc 522. Springs 523 are fixedly mounted inside the driven disc hub 524, the damper disc 522, and the damping plate. The diaphragm damper 21 is conical. Under the pressure of the clutch cover, it presses the torsional damper 52 tightly against the end face of the flywheel 4. The driven disc hub 524 and the damper disc 522 in the torsional damper 52 absorb and buffer the torsional vibration during power transmission through the elastic buffer of the spring 523 and the friction damping of the damping plate. Then, the power is further transmitted through the friction plate 53 and the pressure plate 51. At this time, the engine power is transmitted through the flywheel 4, the torsional damper 52, and the gearbox input shaft to achieve power engagement.

[0026] The fixed ring plate 521 is fixedly installed on the outer surface of the fixed plate 55, and the shock absorber disc 522 is driven by the spring 523 and installed on the surface of the driven disc hub 524, and the shock absorber disc 522 is frictionally adapted to the damping sheet.

[0027] The second embodiment is based on the first embodiment; please refer to [link / reference]. Figures 3 to 4 As shown, the protective component 2 includes a washer ring 25, on the outer surface of which an mounting ring 22 is fixedly installed. The surface of the mounting ring 22 has heat dissipation grooves 24. An outer cover 23 is fixedly installed on the outer surface of the washer ring 25, and a diaphragm damping component 21 is fixedly installed inside the outer cover 23. The mounting ring 22, outer cover 23, and washer ring 25 form a closed protective structure, enclosing the heat dissipation drive component 5, isolating it from external pollution, and preventing external dust and impurities from entering. Simultaneously, the diaphragm damping component 21 enhances the overall damping effect, protecting the internal precision structure. Furthermore, the outer cover 23, in conjunction with the cooling plate assembly 54, prevents heat from accumulating inside the outer cover 23, thus avoiding situations where the clutch generates excessive heat and suffers from severe heat dissipation problems.

[0028] The mounting ring 22 is fixedly installed on the outer surface of the drive pulley 3. The washer ring 25 is snapped into and adapted to the pressure plate 51 and the connecting plate 544. The diaphragm damper 21 is fixedly installed on the outside of the housing 541. The bearing 1 pushes the diaphragm damper 21, causing it to elastically deform and reverse its conical structure. Its outer circumference exerts a clamping force on the torsional damper 52, putting the clutch in an engaged state. This clamps the flywheel 4, pressure plate 51, and torsional damper 52 together, achieving power transmission. When the pressure plate 51 releases its pressure on the torsional damper 52, the torsional damper 52 separates from the flywheel 4, interrupting power transmission and disengaging the clutch. The diaphragm damper 21 includes a disc-shaped plate 211. The surface of the disc-shaped plate 211 has radial grooves 213 and separation fingers 212. The diaphragm damper 21 further buffers the vibration during the power transmission process through the structural deformation of the disc plate 211, the elastic effect of the separation finger 212, and the stress dispersion of the radial groove 213.

[0029] The third embodiment is based on embodiments one and two; please refer to [link / reference]. Figures 1 to 10 As shown, a method for using a dual-coil automotive air conditioning electromagnetic clutch consists of the following steps: S1. Assembly connection: The engine output end is connected to the drive pulley 3 for transmission. After the engine starts, the power is transmitted to the drive pulley 3. The drive pulley 3 drives the heat dissipation drive assembly 5 to rotate through the rotation cooperation of the flywheel 4 and the bearing 1. S2, Start-up: The diaphragm damper 21 is conical. Under the pressure of the clutch cover, it presses the torsional damper 52 tightly against the end face of the flywheel 4. The driven disc hub 524 and the damper disc 522 in the torsional damper 52 absorb and buffer the torsional vibration during the power transmission process through the elastic buffer of the spring 523 and the friction damping of the damping plate. Then the power is further transmitted through the friction plate 53 and the pressure plate 51. At this time, the engine power is transmitted through the flywheel 4, the torsional damper 52 and the gearbox input shaft to achieve power engagement. S3, Pressure Control: Bearing 1 pushes the diaphragm damper 21, the diaphragm damper 21 undergoes elastic deformation, the conical structure reverses, and its outer circumference generates a clamping force on the torsional damper 52, so that the clutch is in the engaged state, thereby pressing the flywheel 4, pressure plate 51 and torsional damper 52 together to realize power transmission. The pressure plate 51 releases the pressure on the torsional damper 52, the torsional damper 52 separates from the flywheel 4, the power transmission is interrupted, and the clutch is disengaged. S4. Cooling: When the clutch generates heat during operation, the cooling plate assembly 54 is activated. The coolant enters the cooling pipe 547 inside the housing 541 through the injection pipe 542. During the flow in the cooling pipe 547, the coolant absorbs the heat from the friction plate 53 and the pressure plate 51. The cleaning slip ring 545 slides with the coolant in the cooling pipe 547. By utilizing its sliding fit with the sliding pad 546, the inner wall of the cooling pipe 547 is cleaned.

[0030] When in use, the engine power is transmitted to the drive pulley 3, and the drive pulley 3 drives the heat dissipation drive assembly 5 to operate through the rotational cooperation between the flywheel 4 and the bearing 1.

[0031] When the clutch generates heat during operation, the cooling plate assembly 54 activates, and coolant enters the cooling pipe 547 inside the housing 541 through the injection pipe 542. During its flow within the cooling pipe 547, coolant absorbs heat from components such as the friction plates 53 and pressure plate 51. The cooling pipe 547 of the cooling plate assembly 54 achieves circulating heat exchange of the coolant, quickly removing the heat generated by the clutch operation and preventing performance degradation of components such as the friction plates 53 due to overheating.

[0032] The cleaning slip ring 545 slides with the coolant inside the cooling pipe 547, and through its sliding fit with the sliding pad 546, it cleans the inner wall of the cooling pipe 547, preventing the accumulation of impurities that would affect heat dissipation efficiency. The coolant, after absorbing heat, is discharged through the discharge pipe 543, completing the heat exchange cycle. The cleaning slip ring 545 can automatically clean the inner wall of the cooling pipe 547, ensuring long-term stability of heat dissipation efficiency.

[0033] The diaphragm damper 21 is conical. Under the pressure of the clutch cover, it presses the torsional damper 52 tightly against the end face of the flywheel 4. The driven disc hub 524 and the damper disc 522 in the torsional damper 52 absorb and buffer the torsional vibration during the power transmission process through the elastic buffer of the spring 523 and the friction damping of the damping plate. Then the power is further transmitted through the friction plate 53 and the pressure plate 51. At this time, the engine power is transmitted through the flywheel 4, the torsional damper 52 and the gearbox input shaft to achieve power engagement.

[0034] The mounting ring 22, outer cover 23, and gasket ring 25 form a closed protective structure that encloses the heat dissipation drive component 5, isolating it from external pollution and preventing external dust and impurities from entering. At the same time, it works with the diaphragm damping component 21 to enhance the overall damping effect and protect the internal precision structure. Meanwhile, the outer cover 23 works in conjunction with the cooling plate assembly 54 to prevent heat from accumulating inside the outer cover 23, which could lead to excessive heat generation in the clutch and serious heat dissipation problems.

[0035] The bearing 1 pushes the diaphragm damper 21, which undergoes elastic deformation. The conical structure reverses, and its outer circumference exerts a clamping force on the torsional damper 52, putting the clutch in the engaged state. This presses the flywheel 4, pressure plate 51, and torsional damper 52 together, thus achieving power transmission. The pressure plate 51 releases its pressure on the torsional damper 52, causing the torsional damper 52 to separate from the flywheel 4, interrupting power transmission and disengaging the clutch.

[0036] The diaphragm damper 21 further buffers the vibration during the power transmission process through the structural deformation of the disc plate 211, the elastic effect of the separation finger 212, and the stress dispersion of the radial groove 213.

[0037] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A dual-coil automotive air conditioning electromagnetic clutch, characterized in that, include: A drive pulley (3) is provided with a flywheel (4) rotatably mounted inside the drive pulley (3). A bearing (1) is rotatably mounted at the axis of the flywheel (4). A heat dissipation drive assembly (5) is rotatably mounted on the outer surface of the bearing (1). A protective assembly (2) is fixedly mounted on the outer surface of the drive pulley (3). The protective assembly (2) is sleeved on the outer surface of the heat dissipation drive assembly (5). The heat dissipation drive assembly (5) includes a pressure plate (51), friction plates (53) are respectively installed on both sides of the outer surface of the pressure plate (51), a fixing plate (55) is fixedly installed on the surface of the friction plates (53), a torsional damper (52) is fixedly installed on the outer surface of the fixing plate (55), and a cooling plate assembly (54) is threadedly installed on the surface of the pressure plate (51) away from the drive pulley (3).

2. The dual-coil automotive air conditioning electromagnetic clutch according to claim 1, characterized in that: The friction plate (53) is made of rubber. The friction plate (53) and the pressure plate (51) are alternately arranged. The cooling plate group (54), the torsional damper (52) and the pressure plate (51) are all sleeved on the outer surface of the bearing (1).

3. A dual-coil automotive air conditioning electromagnetic clutch according to claim 2, characterized in that: The cooling plate assembly (54) includes a housing (541), a connecting plate (544) is fixedly installed on the side of the outer surface of the housing (541), an injection pipe (542) and a discharge pipe (543) are fixedly installed inside the connecting plate (544), a cooling pipe (547) is opened inside the connecting plate (544), a sliding pad (546) is fixedly installed on the inner wall of the cooling pipe (547), and a cleaning slip ring (545) is slidably installed between the opposite surfaces of the sliding pad (546).

4. A dual-coil automotive air conditioning electromagnetic clutch according to claim 3, characterized in that: The connecting plate (544) is threaded onto the outer surface of the pressure plate (51). The cleaning slip ring (545) is made of a floating material. The cleaning slip ring (545) is slidably installed inside the cooling pipe (547), and the cleaning slip ring (545) is slidably adapted to the sliding pad (546).

5. A dual-coil automotive air conditioning electromagnetic clutch according to claim 2, characterized in that: The torsional damper (52) includes a fixed ring plate (521), a driven disc hub (524) is fixedly installed on the outer surface of the fixed ring plate (521), a damper disc (522) is fixedly installed on the outer surface of the driven disc hub (524), a damping plate is clamped between the adjacent surfaces of the driven disc hub (524) and the damper disc (522), and a spring (523) is fixedly installed inside the driven disc hub (524), the damper disc (522) and the damping plate.

6. A dual-coil automotive air conditioning electromagnetic clutch according to claim 5, characterized in that: The fixed ring plate (521) is fixedly installed on the outer surface of the fixed plate (55), and the shock absorber disc (522) is driven by the spring (523) and installed on the surface of the driven disc hub (524), and the shock absorber disc (522) is frictionally adapted to the damping sheet.

7. A dual-coil automotive air conditioning electromagnetic clutch according to claim 1, characterized in that: The protective component (2) includes a gasket (25), an mounting ring (22) is fixedly installed on the outer surface of the gasket (25), a heat dissipation groove (24) is opened on the surface of the mounting ring (22), an outer cover (23) is fixedly installed on the outer surface of the gasket (25), and a diaphragm damping component (21) is fixedly installed inside the outer cover (23).

8. A dual-coil automotive air conditioning electromagnetic clutch according to claim 7, characterized in that: The mounting ring (22) is fixedly mounted on the outer surface of the drive pulley (3), the washer ring (25) is snapped into and adapted to the pressure plate (51) and the connecting plate (544), and the diaphragm damping component (21) is fixedly mounted on the outside of the housing (541).

9. A dual-coil automotive air conditioning electromagnetic clutch according to claim 8, characterized in that: The diaphragm damper (21) includes a disc-shaped plate (211), the surface of which is provided with radial grooves (213) and separation fingers (212).

10. A dual-coil automotive air conditioning electromagnetic clutch according to any one of claims 1-9, now a method of using the dual-coil automotive air conditioning electromagnetic clutch is proposed, characterized in that, It consists of the following steps: S1. Assembly connection: The engine output end is connected to the drive pulley (3) for transmission. After the engine starts, the power is transmitted to the drive pulley (3). The drive pulley (3) drives the heat dissipation drive assembly (5) to rotate through the rotation of the flywheel (4) and the bearing (1). S2, Start-up: The diaphragm damper (21) is conical. Under the pressure of the clutch cover, it presses the torsional damper (52) tightly against the end face of the flywheel (4). The driven disc hub (524) and damper disc (522) in the torsional damper (52) absorb and buffer the torsional vibration during the power transmission process through the elastic buffer of the spring (523) and the friction damping of the damping plate. Then the power is further transmitted through the friction plate (53) and pressure plate (51). At this time, the engine power is transmitted through the flywheel (4), torsional damper (52) and gearbox input shaft to achieve power engagement. S3, Pressure Control: The bearing (1) pushes the diaphragm damper (21), the diaphragm damper (21) undergoes elastic deformation, the conical structure reverses, and its outer circumference generates a clamping force on the torsional damper (52), so that the clutch is in the engaged state, thereby pressing the flywheel (4), pressure plate (51) and torsional damper (52) together to realize power transmission. The pressure plate (51) releases the pressure on the torsional damper (52), the torsional damper (52) separates from the flywheel (4), the power transmission is interrupted, and the clutch is disengaged; S4, Cooling: When the clutch is engaged When the device generates heat during operation, the cooling plate assembly (54) is activated, and the coolant enters the cooling pipe (547) inside the housing (541) through the injection pipe (542). During the flow in the cooling pipe (547), the coolant absorbs the heat from the friction plate (53) and pressure plate (51). The coolant enters the cooling pipe (547) inside the housing (541) through the injection pipe (542). The cleaning slip ring (545) slides with the coolant in the cooling pipe (547) and cleans the inner wall of the cooling pipe (547) by utilizing its sliding adaptation with the sliding pad (546).

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