WO2013104117A1 - 电磁传动装置及其制造方法和控制方法 - Google Patents
电磁传动装置及其制造方法和控制方法 Download PDFInfo
- Publication number
- WO2013104117A1 WO2013104117A1 PCT/CN2012/070226 CN2012070226W WO2013104117A1 WO 2013104117 A1 WO2013104117 A1 WO 2013104117A1 CN 2012070226 W CN2012070226 W CN 2012070226W WO 2013104117 A1 WO2013104117 A1 WO 2013104117A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive
- transmission
- driving
- plate
- electronic control
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/14—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/16—Clutches in which the members have interengaging parts with clutching members movable otherwise than only axially
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/10—Friction clutches with clutching members co-operating with the periphery of a drum, a wheel-rim, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/102—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with radially movable clutching members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2250/00—Manufacturing; Assembly
- F16D2250/0084—Assembly or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/01—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
Definitions
- Electromagnetic transmission device manufacturing method and control method thereof
- the present invention relates to electromagnetic transmissions primarily used on vehicles, and more particularly to electromagnetic fan clutches and air pump devices, as well as methods of manufacture and control thereof. Background technique
- the electromagnetic fan clutch used in the automobile controls the rotation speed of the fan according to the change of the water temperature of the engine, so that the automobile engine maintains the optimum state during the operation. Specifically, by controlling the electrification or power-off of the coil on the electromagnet core, the suction and separation of the suction disc and the drive disc on the magnet fixing disc or the fan fixing disc are controlled, thereby controlling the rotation speed of the fan on the fan fixing disc. Allows the fan to cool the engine at a suitable speed.
- the existing electromagnetic fan clutch (takes a three-speed electromagnetic fan clutch as an example) as shown in Fig. 1, including the main shaft 1 ', the drive plate 2', the electromagnet core 3', the outer coil 4a', the inner coil 4b', and the fan fixed Disk 9', magnet fixing plate 10', small spring piece 12', small suction plate 13', large spring piece 34', large suction plate 35' and safety plate 36', wherein the transmission is made of a magnetically permeable material
- the disc 2 is fixedly mounted on the main shaft by a semi-circular key 19'.
- the side of the driving disc 2' is provided with a plurality of sets of magnetic isolation slots 23', and the inner cavity of the driving disc 2' is provided with an electromagnet core 3', and the electromagnet core 3'
- the bearing 5' is mounted on the main shaft, and the inner and outer coils are respectively provided with the inner and outer coil inlay grooves, and the inner and outer coil slots have the same magnetic opening direction as the main shaft axial direction and are directed to the drive plate 2'.
- the inner and outer coils are respectively provided with inner and outer coils 4b', 4a' in the inner and outer coil inlay grooves, and the fan fixing disc 9' and the magnet fixing disc 10' are mounted on the main shaft through bearings 8', 1 respectively, wherein
- the magnet fixing plate 10' is located in the inner cavity of the fan fixing plate 9', in the magnet On one end surface of the fixed disk 10', a plurality of fixing holes are uniformly distributed around the circumference for inlaying the soft magnet 15', and the soft magnet 15' is attracted with the permanent magnet 14', and the fan fixing plate 9' and the permanent magnet 14'
- the corresponding end surface is inlaid with a soft magnet 16', and the annular end surface of the magnet fixing plate 10' opposite to the inner coil 4b' is supported by a small spring piece 12' to be connected with a small suction disk 13', and the fan fixing plate 9' is
- the opposite end faces of the outer coil 4a' are supported by a large spring plate 34' to be connected with a large
- the specific working process of the above three-speed electromagnetic fan clutch is: when the engine temperature has not reached the lower set temperature value of the three-speed electromagnetic fan clutch (for example, set to 82 ° C), the inner and outer coils in the electromagnet core 3 '4b',4a' are not energized, the drive plate 2' will not attract the small suction plate 13' on the magnet fixing plate 10', and does not attract the large on the fan fixed plate 9'
- the suction plate 35', the fan fixing plate 9' is free to slide through the bearing 8', and the magnet fixing plate 10' is free to slide through the bearing 1; when the engine temperature reaches a lower set temperature value (82 ° C) and lower than
- the high set temperature value for example, set to 88 ° C
- the inner coil 4b' is energized, and the magnetic disk core 3' magnetic effect causes the drive plate 2' to suck the small suction plate 13', so that the small suction plate 13 'Synchronous rotation with the drive plate 2', the
- the original design structure of the electromagnetic fan clutch usually has a safety plate 36' and a corresponding locking hole and a matching hole for use with the emergency locking bolt carried by the vehicle, and the driver can malfunction in the power supply system of the electromagnetic fan clutch.
- the emergency locking bolt into the locking hole on the safety plate 36' and the matching hole on the drive plate 2', so that the fan fixing plate 9' rotates synchronously with the driving plate 2', so that the fan is at full speed. Rotate to cool the engine. If the driver knows that the power supply system is faulty during driving, he can use the emergency locking bolt to fix the fan fixing plate 9' and the driving plate 2' after stopping, so that the fan can rotate at full speed; however, the driver often cannot ensure that it can The first time to know the fault condition, so it is impossible to stop using the emergency locking bolt in time, and it is also troublesome to install the emergency locking bolt.
- the large suction cup 35 ' fixedly connected with the fan fixing plate 9' is sucked onto the driving plate 2', and can drive the fan fixing plate 9' to rotate at the same speed as the driving plate 2', so that the engine needs the outer coil 4a' provides continuous power, which not only consumes more power, but also increases the loss of engine power, making the engine that is already in a high temperature state more overloaded, reducing the service life of the engine.
- the air pump device used in the brake system of the vehicle controls the operation of the air pump by using the energization or de-energization of the electromagnetic clutch during the running of the vehicle.
- the pressure in the air pump is lower than the pressure required for the operation of the brake system (for example, 6-8).
- the power supply system of the electromagnetic clutch is powered, and the suction force of the electromagnet core drives the components of the rotary shaft of the air pump and the rotating skin.
- the pulley (the pulley is driven by the engine) is connected to make the air pump shaft and the pulley run synchronously, so as to achieve the purpose of working the air pump; when the pressure inside the air pump reaches or exceeds the pressure value required for the brake system to work (for example, 6-8 kg)
- the power supply system of the electromagnetic clutch is powered off, the air pump shaft is separated from the pulley, and the air pump stops working.
- the electromagnetic clutch cannot control the operation of the air pump, affecting the function of the air pump, resulting in the braking system.
- the present invention provides an electromagnetic transmission device having a fail-safe device, high practicability, safety and reliability.
- the purpose is to realize that the electromagnetic transmission device can still work and realize the transmission function in the case of failure or sudden power failure of the electromagnetic clutch power supply system, which is safe and reliable, and prevents a series of disadvantages caused by the failure of the electromagnetic clutch. as a result of.
- Another technical object of the present invention is to provide a method of manufacturing the above-described electromagnetic transmission device having an anti-failure safety device. It is still another technical object of the present invention to provide a control method of the above-described electromagnetic transmission device having an anti-failure safety device.
- An electromagnetic transmission device comprising a drive plate, further comprising a first transmission device, a second transmission device and a first electronic control device, wherein when the first electronic control device is powered, the first electronic control device is driven The first transmission device separates the second transmission device from the drive plate; when the first electronic control device is powered off, the first electronic control device drives the first transmission device such that the A second transmission engages the drive plate.
- the electromagnetic transmission device of the invention adopts a structure in which the second transmission device is separated from the transmission disk when the first electric control device is powered, and the second transmission device is combined with the transmission plate when the first electronic control device is powered off, so that the electromagnetic transmission device
- the device ensures that the transmission can be controlled by controlling the power-off of the first electronic control device, and ensures that the drive plate can drive the second transmission device when the first electronic control device is suddenly powered off, thereby effectively preventing
- the transmission failure of the first electronic control unit in case of accidental power failure ensures that the use of the transmission device is safer and more reliable.
- the present invention is designed to: when the first electronic control device is powered off, the drive plate can transmit power to the second transmission device, thereby achieving the effect of the transmission without consuming excessive electric energy, saving power and extending the power supply. The life of the system and the power supply line.
- An electromagnetic transmission device of the present invention further includes a passive device, and the second transmission device is fixedly coupled to the passive device.
- a passive device is added, and the passive device is fixedly connected with the second transmission device, so that the electromagnetic transmission device of the present invention can drive the second transmission device through the transmission disk to drive the passive device into the working state, and can be used according to different passive devices.
- the transmission is applied to different equipments and is highly practical.
- An electromagnetic transmission device of the present invention further includes a transmission shaft, the passive device is a fan fixing plate, the transmission disk is fixedly mounted on the transmission shaft, and the fan fixing plate is mounted on the transmission shaft through a first bearing on.
- the above structure is to apply the electromagnetic transmission device of the present invention to a single-speed electromagnetic fan clutch, and to ensure that the full-speed rotation or free-slip of the fan fixed disk can be controlled by controlling the power-off and power-off of the first electronic control device, It is ensured that the drive disc can drive the fan fixed disc to rotate at full speed during the sudden power failure of the first electronic control device, and cool the engine, effectively preventing the transmission failure of the first electronic control device in case of accidental power failure, and ensuring that the transmission device is applied.
- the single-speed electromagnetic fan clutch is safer and more reliable, ensuring a good running condition of the car.
- An electromagnetic transmission device of the present invention further includes a transmission shaft and a magnet fixing plate, wherein the passive device is a fan fixing plate, and the driving plate is fixedly mounted on the transmission shaft, and the fan fixing plate is mounted on the first bearing through the first bearing
- the magnet fixing plate is fixedly mounted on the transmission shaft, and the magnet fixing plate is configured to drive the fan fixing plate to differentially follow the rotation by a magnetic effect.
- the above structure is to apply the electromagnetic transmission device of the invention to the two-speed electromagnetic fan clutch, so that the two-speed electromagnetic fan clutch can control the fan fixed disk to rotate at different speeds according to different temperatures of the engine to cool the engine, ensuring that the engine remains the most. Good working condition; At the same time, ensure that the fan can rotate at full speed to cool the engine when the power supply system is powered off, to prevent the engine from being unable to dissipate heat in time due to sudden power failure of the power supply system.
- An electromagnetic transmission device of the present invention further includes a transmission shaft, a magnet fixing plate and a second electric control device, wherein the passive device is a fan fixing plate, and the driving plate is fixedly mounted on the transmission shaft, and the fan fixing plate Mounted on the transmission shaft by a first bearing, the magnet fixing disc is mounted on the transmission shaft through a third bearing, and the magnet fixing disc is used to drive the fan fixed disc to follow the differential speed by a magnetic effect.
- the second electronic control device is powered, the drive plate is engaged with the magnet fixed disk; when the second electronic control device is powered off, the drive plate is separated from the magnet fixed plate.
- the above structure is to apply the electromagnetic transmission device of the invention to the three-speed electromagnetic fan clutch, so that the three-speed electromagnetic fan clutch can control the fan fixed disk to rotate at different speeds according to different temperatures of the engine to cool the engine to keep the engine Best working condition; At the same time, ensure that the fan can rotate at full speed to cool the engine when the power supply system is powered off, to prevent the engine from being unable to dissipate heat in time due to sudden power failure of the power supply system.
- An electromagnetic transmission device wherein the passive device is a gas pump shaft, and the transmission disk is mounted on a gas pump shaft through a bearing.
- the above structure is to apply the electromagnetic transmission device of the present invention to the air pump, and ensure that the first electric control device is suddenly broken while controlling the rotation of the air pump shaft by controlling the power-off of the first electronic control device.
- the drive plate can drive the rotation of the air pump shaft to provide pressure to the vehicle brake system, prevent the transmission failure of the first electric control device in case of accidental power failure, and ensure that the air pump enters the working state when the electromagnetic clutch fails, ensuring the braking of the vehicle.
- the system can still work normally in case of sudden power failure.
- An electromagnetic transmission device wherein the second transmission device comprises a drive cylinder. Driven by the transmission cylinder, the manufacturing process is simple, the transmission effect is good, and the installation is convenient.
- An electromagnetic transmission device wherein the first transmission device comprises at least one drive piece. A driving piece structure is adopted between the driving disk and the driving cylinder, so that the driving disk and the driving cylinder can control the driving piece by the powering and power-off of the first electronic control device, and control the driving cylinder and the transmission by controlling the movement of the driving piece.
- the power phase of the disk is separated or combined, and the transmission piece is used as the first transmission device, and the manufacturing process is simple, the cost is low, and the transmission effect is good; and at least one driving piece is used, so that once the driving piece fails or the transmission effect is reduced during use, At the same time, other transmission pieces can continue to function as a transmission, which ensures the overall transmission effect of the transmission piece.
- An electromagnetic transmission device wherein the structure and positional relationship of the first transmission transmission piece, the second transmission transmission cylinder and the first electric control device can be in the following three forms:
- the driving piece is three curved pieces
- the driving disk is provided with three sets of protrusions on the outer side of the circumferential position, and the three driving pieces are hinged on the corresponding protrusions of the driving plate through the pin shaft
- the drive cylinder has an opposite end face of the drive plate outside the circumferential position of the drive plate, and a gap exists between the drive piece and the opposite end surface of the drive barrel
- the first electronic control device includes an electromagnet An electromagnet assembly composed of a core and a coil, the electromagnet assembly being located in an inner cavity of an end surface of the drive disk at a circumferential position.
- the three arc-shaped transmission pieces are hinged to the outside of the circumferential position of the transmission plate through the pin shaft, and the installation is simple, the transmission effect is good, and the manufacturing is simple; the transmission cylinder is disposed at a certain gap position outside the circumferential position of the transmission disk, so that when the coil is de-energized
- the transmission piece can press the transmission cylinder under the action of centrifugal force, and the transmission effect is good and the cost is low; and the centrifugal force is used instead of the special power supply to achieve the transmission effect, thereby saving energy.
- the drive cylinder has an opposite end face with the drive plate outside the circumferential position of the drive plate, and the opposite end faces of the drive sleeve are provided with three sets of protrusions, and the drive pieces are three a curved piece, the three driving pieces are hinged on the corresponding protrusions of the driving cylinder by a pin; the driving piece has a gap with the opposite end faces of the driving plate;
- the first electric control device comprises a permanent magnet And an electromagnet assembly consisting of an electromagnet core and a coil, the permanent magnet being located in an inner cavity of the drive disc, the electromagnet assembly being located outside the opposite end surface of the drive cylinder; when the coil is energized
- the magnetic attraction force of the electromagnet core to the driving piece is greater than the magnetic attraction force of the permanent magnet to the driving piece.
- the permanent magnet and the electromagnet assembly are used together as the first electronic control device to control the movement of the driving piece, and the driving piece is mounted on the inner end surface of the driving cylinder accordingly, which is a deformation of the structure in the above (1), which is The structure can also realize that when the coil is actively powered off or the coil is accidentally powered off, the power of the transmission disc can be transmitted to the passive device through the first transmission driving piece and the second transmission driving barrel; and in the above structure
- the permanent magnet uses the inherent performance to achieve the suction effect without having to use the specially supplied power, which reduces power consumption and saves energy.
- the driving piece is three curved pieces
- the driving disk is provided with three sets of protrusions on the inner side of the circumferential position, and the three driving pieces are hinged on the corresponding protrusions of the driving plate through the pin shaft
- the drive cylinder has an opposite end face with the drive plate on a inner side of the drive plate, and a gap exists between the drive piece and the opposite end surface of the drive barrel
- the first electronic control device includes a permanent magnet and An electromagnet assembly composed of an electromagnet core and a coil, the permanent magnet being located in the drive cylinder The inner cavity, the electromagnet assembly is located outside the circumferential position of the drive plate; when the coil is energized, the electromagnet core has a magnetic attraction force to the drive plate that is greater than the permanent magnet to the drive plate Magnetic attraction.
- Adopting such a structure is another modification of the structure in the above (1), so that the power transmission piece and the transmission cylinder can transmit the power of the transmission disk to the passive device in the case of the power failure of the coil, and the transmission piece is mounted accordingly.
- the inner side of the drive plate is in the circumferential position, the cost is low, and the transmission effect is good.
- An electromagnetic transmission device wherein an arc-shaped friction plate is fixedly coupled to an opposite end surface of the drive plate and the drive cylinder.
- the structure of connecting the friction plates on the transmission piece is adopted, so that the transmission effect of the transmission piece is good and the service life is long.
- a method of manufacturing an electromagnetic transmission device comprises the steps of: (a) forming a transmission disk; (b) forming a first transmission; (c) forming a second transmission; (d) forming a first electronic control device; (e) installing a drive plate, a first transmission, a second transmission, and a first electronic control device such that: when the first electronic control device is powered, the first electronic control device drives the first transmission device such that a second transmission is separated from the drive plate; when the first electronic control is powered off, the first electronic control device drives the first transmission such that the second transmission engages the drive plate .
- the above manufacturing method may include the following two specific methods:
- the first transmission in the step (b) is three curved transmission pieces, and the outer side of the circumferential position of the transmission disk in the step (a) has three sets of protrusions, and the three transmissions are The piece is hinged to the corresponding protrusion of the drive plate by a pin;
- the second transmission in the step (c) is a drive barrel, and the drive barrel has an opposite end face outside the circumferential position of the drive plate after installation a gap between the driving piece and the opposite end surface of the driving barrel;
- the first electronic control device in the step (d) is an electromagnet assembly composed of an electromagnet core and a coil, and the electromagnet assembly is mounted An inner cavity at an end face of the drive disk at a circumferential position; further comprising a passive device for mounting the passive device to fix the drive cylinder to the passive device.
- the first transmission in the step (b) is three curved transmission pieces
- the second transmission in the step (c) is a transmission cylinder
- the transmission cylinder has the In the step (a), the opposite end faces of the outer side of the driving disk circumferential direction, the inner side of the opposite end faces of the driving cylinder has three sets of protrusions, and the three driving pieces are hinged to the corresponding protrusions of the driving barrel through the pin shaft a gap between the driving piece hinged on the driving cylinder and an outer end surface of the circumferential direction of the driving disk;
- the first electronic control device in the step (d) is a permanent magnet and an electromagnet core And an electromagnet assembly composed of a coil, the permanent magnet being mounted in an inner cavity of the drive plate, the electromagnet assembly being mounted outside the opposite end face of the drive cylinder; when the coil is energized
- the magnetic force of the electromagnet core to the driving piece is greater than the magnetic force of the permanent magnet to the driving piece; further comprising a passive device, the passive
- a control method for the above electromagnetic transmission device includes the following three cases:
- the control method is:
- the first electronic control device When the engine water temperature is lower than the first set value, the first electronic control device is powered
- the first electronic control device When the engine water temperature is equal to or higher than the first set value, the first electronic control device is powered off.
- the control method is:
- the first electronic control device When the engine water temperature is lower than the second set value, the first electronic control device is powered, and the second electronic control device is powered off; when the engine water temperature is equal to or higher than the second set value and lower than the third set value , the first electronic control device is powered, and the second electronic control device is powered;
- the first electronic control device When the engine water temperature is equal to or higher than the third set value, the first electronic control device is powered off, and the second electronic control device is powered.
- the control method is:
- the first electronic control device When the air pump pressure value is lower than the fourth set value, the first electronic control device is powered off;
- the first electronic control device When the air pump pressure value is equal to or higher than the fourth set value, the first electronic control device is powered.
- the above control method is used to control the power generation and power-off of the first electronic control device or the second electronic control device according to different needs of different devices, to meet the cooling demand of the automobile engine or the working needs of the braking system, and to ensure The electromagnetic transmission can be driven when the first electronic control unit is powered off.
- FIG. 1 is a front cross-sectional view of a three-speed electromagnetic fan clutch in the prior art
- Figure 2 is a front cross-sectional view of the first embodiment
- Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
- Figure 4 is a perspective view of the drive plate in the first embodiment
- Figure 5 is a perspective view of the transmission piece in the first embodiment
- 6a and 6b are perspective views of the electromagnet core in the first embodiment
- Figure 7 is a right side view of the transmission disk and the driving piece in the first embodiment
- Figure 8 is a B-direction view of Figure 7.
- Figure 9 is a right side view of the drive cylinder of the first embodiment
- Figure 10 is a cross-sectional view taken along line CC of Figure 9;
- Figure 11 is a front cross-sectional view of the second embodiment;
- Figure 12 is a front cross-sectional view of the third embodiment
- Figure 13 is a cross-sectional view taken along line D-D of Figure 12;
- Figure 14 is a perspective view of the drive plate in the third embodiment
- Figure 15 is a perspective view of the electromagnet core in the third embodiment
- Figure 16 is a right side view of the driving disk and the driving piece in the third embodiment
- Figure 17 is a view taken along line E of Figure 16;
- Figure 18 is a front cross-sectional view showing the fourth embodiment
- Figure 19 is a front cross-sectional view showing the fifth embodiment
- Figure 20 is a cross-sectional view taken along line F-F of Figure 19;
- Figure 21 is a right side view of the driving disk and the driving piece in the fifth embodiment
- Figure 22 is a view taken along line G of Figure 21;
- Figure 23 is a front cross-sectional view of the drive cylinder of the fifth embodiment.
- Figure 24 is a cross-sectional view taken along line H-H of Figure 23;
- Figure 25 is a front cross-sectional view showing the sixth embodiment. detailed description
- the electromagnetic transmission device of the present invention is applied to an electromagnetic fan clutch and a gas pump in an automobile as an example for detailed description together with the drawings, and a manufacturing method and a control method of the device in each embodiment are described.
- the third embodiment of the electromagnetic transmission device of the present invention is applied to a single-speed, two-speed, three-speed electromagnetic fan clutch, wherein the first electronic control device and the second electronic control device each include only an electromagnet core and a coil;
- a single-speed electromagnetic fan clutch is taken as an example, and an embodiment of the first electronic control device including an electromagnet core, a coil and a permanent magnet is described.
- Embodiments 5 and 6 are the electromagnetic transmission device of the present invention applied to the air pump.
- Embodiments wherein the first electronic control device in Embodiment 5 includes only an electromagnet core and a coil, and the first electronic control device in Embodiment 6 includes an electromagnet core, a coil, and a permanent magnet.
- Embodiment 1 wherein the first electronic control device in Embodiment 5 includes only an electromagnet core and a coil, and the first electronic control device in Embodiment 6 includes an electromagnet core, a coil, and a permanent magnet.
- an electromagnetic transmission device includes a drive plate 102 (shown in FIG. 4), and further includes a first transmission device, a second transmission device and a first electronic control device, as shown in FIG. 3, FIG. 7, and FIG. 8, wherein the first transmission device comprises three transmission pieces 106, and the three transmission pieces 106 are hinged on the protrusions 117 at the circumferential position of the transmission disk 102 through the pin shafts 124.
- the shape of the transmission piece 106 is curved (as shown in the figure). 5)), the outer surface of the driving piece 106 is provided with a curved friction plate 106a which is press-bonded to the driving piece 106; the second transmission device is the driving cylinder 107 (as shown in FIG. 9 and FIG.
- the cylinder 107 is on the drive plate 102
- the outer side of the circumferential position has an opposite end face with the drive plate 102, and there is a gap between the drive cylinder 107 and the friction plate 106a;
- the first electronic control device comprises an electromagnet assembly composed of an electromagnet core 103 and a coil 104, the electromagnet assembly is located The inner surface of the drive disk 102, wherein the electromagnet core 103 is mounted on the drive shaft 101 via the second bearing 105, and the electromagnet core 103 is softly coupled to the engine body through a fixed hose, and the drive plate 102 and the drive plate 106 are made of a magnetically permeable material.
- six sets of magnetic isolation slots 122 are provided in the circumferential position of the drive disc 102.
- three protrusions 117 are disposed on the outer side of the circumferential position of the drive plate 102, and are evenly distributed in the circumferential position of the drive plate 102.
- the three drive pieces 106 are hinged to each other by the pins 124. On the protrusions 117, the drive piece 106 can be rotated by the pin 124 away from or near the circumferential position of the drive disk 102.
- the passive device is a fan fixing plate 109.
- the fan fixing plate 109 is mounted on the transmission shaft 101 through the first bearing 108, as shown in FIG. 9 and FIG.
- the three sets of fixing pieces 120 are fixed on the fan fixing plate 109 by fastening bolts 118.
- the driving plate 102 is fixedly mounted on the transmission shaft 101 by a semi-circular key 119, and the electromagnet core 103 passes through the second bearing 105 in the inner cavity of the driving plate 102. Mounted on the drive shaft 101, as shown in FIG. 6a and FIG.
- the coil 104 is disposed in the coil inlay groove 103a formed in the electromagnet core 103, and the direction of the magnetic conductive opening of the coil inlay groove 103a is directed to the circumferential position of the drive disc 102. .
- the first electronic control device When the first electronic control device (coil 104) is powered, the first electronic control device (the electromagnet core 103 having the magnetic attraction force) drives the first transmission device (the transmission piece 106 to which the outer surface is bonded with the friction plate 106a)
- the second transmission (the drive cylinder 107) is separated from the power of the drive disc 102 (the drive piece 106 is sucked on the outer side of the end face of the drive disc 102 in the circumferential position, and is not engaged with the drive cylinder 107); when the first electric control device (coil 104)
- the first electronic control device When the power is off, the first electronic control device (the electromagnet core 103 having no magnetic attraction) drives the first transmission device (the transmission piece 106 to which the outer surface is bonded with the friction plate 106a) so that the second transmission device (transmission)
- the barrel 107) is engaged with the power of the drive plate 102 (the drive piece 106 hinged on the drive plate 102 is pressed against the drive barrel 107 by the friction plate
- the specific working process of the electromagnetic transmission device of the present invention in the single-speed electromagnetic fan clutch is as follows: After the engine is started, the engine drives the spindle 101 to rotate, and the spindle 101 drives the transmission disk 102 to rotate at full speed through the semicircle key 119.
- the temperature control switch 125 controls the circuit of the coil 104 to be in an ON state, at which time the radial magnetic field generated by the electromagnet core 103 is connected.
- the drive piece 106 having the friction plate 106a is firmly attracted to the drive plate 102.
- the friction plate 106a is not in contact with the drive barrel 107, and the fan fixed disk 109 and the drive barrel 107 connected thereto are free to slide by the first bearing 108.
- the temperature control switch 125 controls the circuit of the disconnecting coil 104, and the three driving pieces 106 are pressed and driven by the friction plate 106a under the action of centrifugal force.
- the cylinder 107 rotates the drive cylinder 107 and the drive disc 102 at the same speed, and the drive cylinder 107 drives the fan on the fan fixed disc 109 to rotate, thereby achieving a powerful cooling effect.
- the electromagnet core 103 does not have magnetism and does not attract the three driving pieces 106.
- the three driving pieces 106 pass the friction plate 106a under centrifugal force.
- the drive cylinder 107 is pressed to rotate the drive cylinder 107 and the drive disc 102 at the same speed to achieve the same powerful cooling effect.
- the present invention relates to a method of manufacturing the above-described electromagnetic transmission device (applied in a single-speed electromagnetic fan clutch), comprising the steps of: (a) casting a drive disk 102 and machining it, and having three sets of protrusions 117 on the outer side of the circumferential position of the drive plate 102 (b) casting the first transmission, ie three curved transmission segments 106, and machining them; (c) casting the second transmission, ie the drive cylinder 107, and machining it; (d) casting the first electricity
- the electromagnet core 103 in the control device is machined, and the coil 104 is mounted in a coil mounting groove 103a on the electromagnet core 103 in a flat winding manner; (e)
- the driving disk 102 is mounted on the transmission shaft 101 through a semicircular key 119.
- the three driving pieces 106 are hinged to the corresponding protrusions 117 of the driving plate 102 through the pin 124, and the electromagnet core 103 is mounted on the transmission shaft 101 through the second bearing 105 and located at the end face of the circumferential position of the driving plate 102.
- the inner cavity, the fan fixing plate 109 (passive device) is mounted on the transmission shaft 101 through the first bearing 108, and the driving cylinder 107 is mounted on the fan through the three sets of fixing pieces 120 by bolts.
- the drive cylinder 107 On the fixed plate 109, the drive cylinder 107 is mounted with an opposite end face outside the end face of the drive disk 102 in the circumferential direction, and there is a gap between the drive piece 106 and the opposite end faces of the drive cylinder 107, and after installation, it is:
- the electromagnet core 103 attracts the drive piece 106 to the outer end surface of the drive plate 102 at a circumferential position, so that the drive barrel 107 is separated from the drive plate 102;
- the electromagnet core 103 When the coil 104 is de-energized, the electromagnet core 103 does not suck the driving piece 106, and the driving piece 106 presses the driving cylinder 107 under the centrifugal force, so that the driving cylinder 107 is engaged with the power of the driving plate 102 through the driving piece 106, thereby The driving disk 102 is driven to rotate the fan fixing plate 109 through the driving piece 106 and the driving cylinder 107.
- the invention provides a control method for the above electromagnetic transmission device (applied in a single speed electromagnetic fan clutch), and the steps include:
- the temperature sensor 125 controls the circuit of the coil 104, the coil 104 is energized, and the electromagnet core 103 has magnetic properties;
- the temperature sensor 125 controls the circuit that opens the coil 104, the coil 104 is de-energized, and the electromagnet core 103 is not magnetic.
- the difference between the two-speed electromagnetic fan clutch in the first embodiment and the first embodiment is as follows, including the other configurations in the first embodiment shown in FIG.
- the magnet fixing plate 210 is located in the inner cavity of the fan fixing plate 209, and is mounted on the driving shaft 201 through the driving sleeve 233.
- the first fixed soft iron is embedded in the opposite end surface of the magnet fixing plate 210 and the fan fixing plate 209. 215, the first soft iron 215 is magnetically adsorbed with a permanent magnet 214.
- a second soft iron 216 is embedded on the fan fixing plate 209 at a position corresponding to the permanent magnet 214.
- the specific working process of the electromagnetic transmission device of the present invention in the two-speed electromagnetic fan clutch is as follows: After the engine is started, the engine drives the spindle 201 to rotate, and the spindle 201 drives the transmission disk 202 to rotate at full speed through the semi-circular key 219. 201 simultaneously drives the magnet fixing plate 210 to rotate at full speed through the driving sleeve 233.
- the temperature control switch 225 controls the circuit of the coil 204 to be in an on state, and the electromagnet core 203 generates a radial pull-in magnetic field to connect the friction plate.
- the three driving pieces 206 of 206a are firmly sucked onto the driving plate 202, and the friction plates 206a are not in contact with the driving barrel 207, so that the fan fixing plate 209 is not driven to rotate; at the same time, the second soft iron 216 is in the permanent magnet 214.
- the second soft iron 216 cuts the magnetic lines of force to generate an eddy current, and the eddy current generates a new magnetic field.
- the magnet fixing plate 210 drives the fan fixed disk 209 to follow the differential speed.
- SP The fan fixing plate 209 and the magnet fixing plate 210 are flexibly connected to rotate at a medium speed to play the role of preliminary heat dissipation and temperature, so that the automobile engine maintains a proper working temperature.
- the temperature control switch 225 controls the circuit of the disconnecting coil 204, and the three driving pieces 206 pass through the three friction plates 206a under the action of centrifugal force.
- the driving cylinder 207 is pressed to rotate the driving cylinder 207 and the driving plate 202 at the same speed, and the driving cylinder 207 drives the fan on the fan fixing plate 209 to rotate, thereby achieving the effect of strong cooling; if the power supply system suddenly fails during the driving process of the automobile When the coil 204 is powered off, since the coil 204 is powered off, the electromagnet core 203 does not have magnetism and does not attract the driving piece 206.
- the three driving pieces 206 press the driving barrel 207 through the three friction plates 206a under the action of centrifugal force, so that the transmission
- the cylinder 207 and the driving plate 202 rotate at the same speed, and the driving cylinder 207 drives the fan on the fan fixing plate 209 to rotate to achieve the same powerful cooling effect.
- 224 in Fig. 11 is a pin shaft
- 205 is a second bearing
- 208 is a first bearing
- 220 is a fixing piece on the driving cylinder 201
- 222 is an opposite end surface of the driving plate 202.
- a magnetic isolation slot is provided.
- the positions of the permanent magnet 214, the first soft iron 215, and the second soft iron 216 on the magnet fixing plate 210 and the fan fixing plate 209 are not limited to the above, as long as the magnet fixing plate 210 can be driven to move the fan fixing plate 209 by the magnetic effect.
- the first soft iron 215 and the permanent magnet 214 may be disposed on the fan fixing plate 209
- the second soft iron 216 may be disposed on the magnet fixing plate 210.
- the manufacturing method of the above electromagnetic transmission device is basically the same as the manufacturing method in the first embodiment, except that: the magnet is fixed to the magnet 210 and machined, and the fan is installed.
- the magnet fixing plate 210 is first fixedly mounted on the transmission shaft 201 through the transmission sleeve 233, and is located in the inner cavity of the fan fixing plate 209.
- the first fixing iron 215 and the permanent magnet are embedded in the magnet fixing plate 210.
- the end surface of the 214 corresponds to the end surface of the fan fixing disk 209 in which the second soft iron 216 is fitted.
- a control method for the above electromagnetic transmission device (applied in a two-speed electromagnetic fan clutch) is the same as the control method in the first embodiment.
- Embodiment 3 A control method for the above electromagnetic transmission device (applied in a two-speed electromagnetic fan clutch) is the same as the control method in the first embodiment.
- the three-speed electromagnetic fan clutch in this embodiment is different from the first embodiment in the following structure: the magnet fixing plate 310
- the third bearing 311 (instead of the driving sleeve 233 in the second embodiment) is mounted on the driving plate 302.
- the electromagnet core 303 is provided with inner and outer coil mounting grooves 303a and 303b (as shown in FIG. 15), and the outer coil 304a (shown in FIG. 15).
- the first electronic control device which is equivalent to the coil 204 in the second embodiment, is disposed in the outer coil inlay groove 303a, and the direction of the magnetic conductive opening of the outer coil inlaid groove 303a is directed to the circumferential position of the driving plate 302, and the inner coil 304b (the first coil)
- the second electric control device is disposed in the inner coil inlay groove 303b, and the direction of the magnetic conductive opening of the inner coil inlay groove 303b is directed to the magnet fixing disc 310 in the axial direction, and the corresponding position of the magnet fixing disc 310 and the inner coil 304b passes through the small spring piece 312.
- the support is connected to a small suction disc 313 which is adjacent to the drive disc 302 and has a gap with the corresponding end surface of the drive disc 302.
- the inner coil 304b the second electric control device
- the electromagnet core 303 When the inner coil 304b (the second electric control device) is energized, the electromagnet core 303 generates an axial magnetic attraction force, and the electromagnet core 303 sucks the small suction disc 313 through the transmission disc 302 to the driving disc 302, so that the magnet is fixed.
- the disk 310 is engaged with the drive plate 302, and the power of the drive plate 302 is directly transmitted to the magnet fixed disk 310.
- the transmission piece 306 is shown in FIG.
- the outer surface is provided with a friction plate 306a which is press-bonded to the driving piece 306.
- the friction piece 306a has a large friction coefficient to drive the driving cylinder 307 to rotate, and the opposite surface of the driving cylinder 307 and the friction plate 306a is wear-resistant.
- the processing is to make the transmission effect between the friction plate 306a and the driving cylinder 307 better.
- the driving piece 306 can press the driving cylinder 307 through the friction plate 306a under the centrifugal force, and pass through the driving cylinder.
- 307 drives the fan fixed plate 309 to rotate at full speed to achieve the effect of cooling the engine at full speed.
- three projections 317 are provided on the outer side of the circumferential position of the drive disc 302, evenly distributed in the circumferential position of the transmission disc 302, and the three transmission pieces 306 are hinged to the three projections 317 by the pins 324. on.
- the specific working process of the electromagnetic transmission device of the present invention in the three-speed electromagnetic fan clutch is as follows: After the engine is started, the engine drives the spindle 301 to rotate, and the spindle 301 drives the transmission disk 302 to rotate at full speed through the semicircle key 319.
- the temperature control switch 325 controls the circuit of the outer coil 304a, and the electromagnet core 303 generates a radial pull-in magnetic field to connect the friction plate 306a.
- the three driving pieces 306 are firmly sucked onto the driving plate 302.
- the three friction plates 306a are not in contact with the driving cylinder 307.
- the fan fixing plate 309 is free to slide through the first bearing 308, and the inner coil 304b is kept in a power-off state.
- 302 does not pull the small suction disc 313, the drive disc 302 remains in a phase separated from the magnet fixing disc 310, and the magnet fixing disc 310 is free to slide through the third bearing 311.
- the temperature control switch 325 controls the inner coil to be turned on.
- the electromagnet core 303 generates an axial absorbing force, and the suction yoke 313 is sucked onto the driving plate 302 to rotate synchronously with the driving plate 302.
- the small absorbing plate 313 drives the magnet fixing plate 310 to rotate through the small spring piece 312.
- the second soft iron 316 embedded in the fan fixing plate 307 rotates relative to the magnetic field formed by the permanent magnet 314 and the first soft iron 315.
- the second soft iron 316 cuts the magnetic lines of force to generate an eddy current, and the eddy current generates a new magnetic field.
- the magnet fixing plate 310 drives the fan fixing plate 309 to differentially follow, SP: the fan fixing plate 309 and the magnet fixing plate 310 are flexibly connected at a medium speed to play the role of preliminary heat dissipation and cooling, so that the automobile engine is maintained properly. Working temperature.
- the temperature control switch 325 controls the power supply of the outer coil 304a to be disconnected, and the three drive pieces 306 pass through the three friction plates 306a under the action of the centrifugal force.
- the driving cylinder 307 is rotated at the same speed as the driving cylinder 307, and the driving cylinder 307 drives the fan on the fan fixing plate 309 to rotate to achieve a powerful cooling effect.
- the outer coil 304a is powered off due to a sudden failure of the power supply system during running, the outer coil 304a is powered off and the electromagnet core 303 is not magnetic and does not attract the driving piece 306.
- the three driving pieces 306 are under the action of centrifugal force.
- the drive barrel 307 is pressed by the friction plate 306a to rotate the drive barrel 307 and the drive plate 302 at the same speed to achieve the same powerful cooling effect.
- the same structure as in the second embodiment, 305 in Fig. 12 is a second bearing, and 320 is a fixing piece on the drive cylinder 301.
- the fan fixed disk can be rotated and cooled in the event of a sudden power failure to prevent the engine temperature from being too high, and the device can prevent the prior art from being invalid due to the electromagnetic clutch failure.
- the manufacturing method of the above electromagnetic transmission device is basically the same as the manufacturing method in the second embodiment (wherein the outer coil 304a functions the same as the coil 204 in the second embodiment)
- the difference is that the magnet fixing plate 310 is mounted on the transmission shaft 301 through the third bearing 311, and the second electric control device (the inner coil 304b is disposed on the electromagnet core 303), the magnet fixing plate 310 and the inner portion are added.
- the corresponding position of the coil 304b is supported by the small spring piece 312 to be coupled with the small suction disk 313.
- the invention provides a control method for the above electromagnetic transmission device (applied in a three-speed electromagnetic fan clutch), and the steps include:
- the temperature sensor 325 controls the circuit that turns on the outer coil 304a while controlling the inner coil 304b to remain in the power-off state, and the electromagnet core 303 is directed to the circumferential position of the drive disk 302.
- the end face has magnetic properties, and the end face directed to the small suction pad 313 is not magnetic;
- the temperature sensor 325 controls the outer coil 304a to remain energized while controlling the inner coil 304b to be energized, the electromagnet The core 303 is directed to the drive plate 302
- the end face of the circumferential position has magnetic properties, and the end face pointing to the small suction pad 313 is also magnetic;
- the temperature sensor 325 controls the outer coil 304a to be de-energized while controlling the inner coil 304b to be energized, and the end face of the electromagnet core 303 pointing to the circumferential position of the drive disc 302 is not With the magnetic force, the driving piece 306 presses the driving cylinder 307 under the centrifugal force, and drives the fan fixing plate 309 to rotate at full speed. At this time, regardless of whether the magnet fixing plate 310 rotates or not, the fan fixing plate 309 rotates at full speed, so that the inner coil 304b is controlled at this time. When the power is turned on or the power is turned off unexpectedly, the transmission device can rotate the fan fixing plate 309 at full speed.
- the electric control device includes a permanent magnet 403c and an electromagnet assembly composed of an electromagnet core 403 and a coil 404.
- the permanent magnet 403c is located inside the drive cylinder 407, and the specific position of the permanent magnet 403c is mounted through the second bearing 405 as shown in FIG.
- the drive shaft 401 is located in the inner cavity of the drive plate 402.
- the end surface of the permanent magnet 403c pointing to the circumferential position of the drive plate 402 is a magnetic pole.
- the electromagnet assemblies 403 and 404 are located outside the drive cylinder 407, and the electromagnet core 403 is fixed.
- the hose is softly coupled to the engine block;
- the first transmission includes three drive plates 406, and the drive plate 406 is rotatably coupled to the drive cylinder 407 and the opposite end faces of the drive plate 402.
- the shape of the drive plate 406 is curved, and the drive plate 406 is The inner surface is provided with a curved friction plate 406a which is press-bonded to the driving piece 406.
- the driving piece 406, the driving cylinder 407 and the driving plate 402 can be magnetically guided.
- a plurality of sets of magnetic isolation slots 422 are defined on the end surface of the circumferential direction of the drive disc 402.
- the opposite end faces of the drive cylinder 407 are also provided with a plurality of sets of magnetic isolation slots 407a, which are fixed on the drive cylinder 407.
- a sheet, 417, is a projection on the upper inner end surface of the drive cylinder 407 for mounting the drive piece 406 through the pin 424.
- the specific operation of the electromagnetic transmission device of the present invention in the single-speed electromagnetic fan clutch is as follows: After the engine is started, the engine drives the spindle 401 to rotate, and the spindle 401 drives the transmission disk 402 to rotate at full speed by the semicircle key 419.
- the temperature control switch 425 controls the circuit of the coil 404 to be in an ON state, at which time the coil 404 in the electromagnet core 403 is powered on, electromagnetic
- the magnetic force of the iron core 403 to the driving piece 406 to which the friction plate 406a is attached is greater than the magnetic force of the permanent magnet 403c to the corresponding driving piece 406, so that the driving piece 406 to which the friction piece 406a is attached may be biased toward the side of the electromagnet core 403.
- the lower friction plate 406a on the inner side of the driving piece 406 is not in contact with the driving plate 402, and the fan fixing plate 409 and the driving cylinder 407 connected thereto are freely slidable by the first bearing 408.
- the temperature control switch 425 controls the power of the disconnection coil 404
- the electromagnet core 403 has no magnetic attraction to the driving piece 406, and the three driving pieces 406 are firmly attracted to the outer end surface of the circumferential position of the driving plate 402 by the magnetic field of the permanent magnet 403c, thereby making the driving plate 402
- the three driving pieces 406 drive the driving cylinder 407 to rotate, and the driving cylinder 407 drives the fan on the fan fixing plate 409 to rotate, thereby achieving the effect of strong cooling.
- the electromagnet core 403 does not pull the three driving pieces 406, and the three driving pieces 406 are firmly sucked by the magnetic field of the permanent magnet 403c.
- the driving disk 402 is driven by the three driving pieces 406 to drive the driving cylinder 407 to drive the fan on the fan fixing plate 409 to rotate, so as to achieve the same powerful cooling effect.
- the specific position of the permanent magnet 403c is not limited to being mounted on the drive shaft 401 by the second bearing 405 as shown in FIG. 18, and the permanent magnet 403c may be embedded on the outer side of the end surface of the drive plate 402 at the circumferential position, or directly
- the drive plate 402 is made of a permanent magnet material.
- the first electronic control device in the single-speed electromagnetic fan clutch includes an embodiment of a permanent magnet and an electromagnet assembly composed of an electromagnet core and a coil, and is also applicable to the two-speed electromagnetic fan clutch of the second embodiment.
- the three-speed electromagnetic fan clutch of the third embodiment when the embodiment is employed in the two-speed and three-speed electromagnetic fan clutches, the remaining components connected to the first electronic control unit are structurally adapted.
- the manufacturing method of the above electromagnetic transmission device (applied in the single-speed electromagnetic fan clutch) is basically the same as the manufacturing method in the first embodiment, except that: the inner side of the opposite end surface of the driving cylinder 407 has three sets of protrusions 417, The three driving pieces 406 are hinged on the corresponding protrusions 417 of the driving cylinder 407 through the pin 424, and there is a gap between the driving piece 406 and the outer end surface of the circumferential direction of the driving plate 402; the first electronic control device in the step (d) is The permanent magnet 403c and the electromagnet assembly composed of the electromagnet core 403 and the coil 404, the permanent magnet 403c is mounted on the transmission shaft 401 via the bearing 405 and located in the inner cavity of the transmission disk 402, and the electromagnet assembly is disposed in the transmission cylinder 407.
- the electromagnet core 403 On the outer side of the opposite end face, the electromagnet core 403 is fixed to the engine casing; when the coil 404 is energized, the magnetic attraction force of the electromagnet core 403 to the drive piece 406 is greater than the magnetic attraction force of the permanent magnet 403c to the drive piece 406.
- Embodiment 5 The control method of the above electromagnetic transmission device (applied in a single-speed electromagnetic fan clutch) of the present invention is the same as the control method in the first embodiment.
- Embodiment 5 The control method of the above electromagnetic transmission device (applied in a single-speed electromagnetic fan clutch) of the present invention is the same as the control method in the first embodiment.
- an electromagnetic transmission device includes a drive plate 502 (the drive plate 502 is a pulley that is driven by the engine to rotate), and further includes a first transmission device, a second transmission device, and a first electronic control device, wherein A transmission includes three drive plates 506.
- three drive plates 506 are hinged in a circumferential position of the drive plate 502 by pins 524.
- the shape of the drive plate 506 is curved, and the drive plate 506 is The outer surface is provided with a curved friction plate 506a that is press-bonded to the drive plate 506;
- the second transmission is a drive cylinder 507 (shown in Figures 23 and 24), and the drive cylinder 507 is on the drive plate 502.
- the outer side of the circumferential position has an opposite end face with the drive plate 502, and the opposite end face of the drive cylinder 507 has a gap with the friction plate 506a;
- the first electronic control device includes an electromagnet assembly composed of an electromagnet core 503 and a coil 504, an electromagnet The assembly is located within the interior of the drive plate 502, and the drive plate 502, drive plate 506, and drive barrel 507 are each formed of a magnetically permeable material.
- a passive device is further included.
- the passive device is a gas pump shaft 509.
- the drive plate 502 is mounted on the air pump shaft 509 via a bearing 502a.
- the drive tube 507 is fixedly mounted on the air pump shaft 509 via a semi-circular key 519.
- the electromagnet core 503 It is fixed to the air pump casing 509a by fastening bolts.
- the electromagnet core 503 is provided with a coil inlay groove, and the coil 504 is disposed in the coil inlay groove.
- the direction of the magnetic flux opening of the coil inlay groove is the same as the radial divergence direction of the air pump shaft 509.
- the inner side of the end surface of the driving disk 502 is located on the inner side of the end surface of the driving disk 502, and the six sets of magnetic shielding grooves 522 are opened on the end surface of the driving disk 502 at the circumferential direction, as shown in FIG. 20, FIG. 23 and FIG.
- Six sets of magnetic isolation grooves 507a are provided on the drive cylinder 507 at corresponding positions with the magnetic flux barriers 522 on the drive plate 502.
- the outer side of the circumferential position of the driving disk 502 is uniformly provided with three protrusions 517 along the outer circumferential direction, and one ends of the three driving pieces 506 are respectively hinged on the corresponding protrusions 517 by pins; The opposing surfaces of the sheet 506 are abraded.
- the first electronic control device (coil 504) is powered, the first electronic control device (the electromagnet core 503 having magnetic attraction) drives the first transmission device (ie, the outer surface is bonded with the friction plate 506a).
- the drive piece 506) separates the second transmission (ie, the drive barrel 507) from the power of the drive plate 502 (the drive piece 506 is attracted to the outer side of the circumferential position of the drive plate 502, and is not engaged with the drive barrel 507);
- the first electronic control device (coil 504) is de-energized, the first electronic control device (the electromagnet core 503 having no magnetic attraction) drives the first transmission device (ie, the transmission piece 506 whose outer surface is bonded with the friction plate 506a)
- the second transmission i.e., the drive cylinder 507) is engaged with the power of the drive plate 502 (the drive piece 506 is pressed against the drive barrel 507 by the friction plate 506a under centrifugal force).
- the drive plate 502 (pulley) is rotated.
- the pressure in the air pump is equal to or higher than the fourth set value of 6-8 kg (when the brake system can work normally)
- the air pump does not need to work, and the pressure switch 525 is controlled at this time.
- the coil 504 is energized, and the driving piece 506 is sucked onto the outer end surface of the circumferential direction of the driving plate 502.
- the friction material 506a is not in contact with the driving cylinder 507, and the driving disk 502 cannot transmit power to the air pump rotating shaft 509 through the driving cylinder 507, and the air pump does not. jobs.
- the pressure switch 525 controls the coil 504 to be powered off, and the driving piece 506 presses the driving cylinder 507 under the centrifugal force, so that The drive cylinder 507 rotates at the same speed as the drive disc 502, and the drive cylinder 507 drives the air pump shaft 509 to rotate, so that the air pump enters the working state.
- the driving cylinder 507 drives the air pump shaft 509 to rotate, so that the air pump can still work normally in the case of sudden power failure.
- the manufacturing method of the above electromagnetic transmission device (applied in the air pump) is basically the same as the manufacturing method in the first embodiment, except that: the transmission disk 502 is a pulley driven by the engine, and the passive device is a gas pump shaft 509.
- the drive plate 502 is mounted on the air pump shaft 509 via a bearing 502a.
- the drive barrel 507 is fixedly mounted on the air pump shaft 509 by a semicircular key 519.
- the electromagnet core 503 is fixed to the air pump housing 509a by bolts.
- the invention provides a control method for the above electromagnetic transmission device (applied in the air pump), and the steps include:
- the pressure switch 525 controls the coil 504 to be de-energized, and the drive disc 502 transmits power to the air pump shaft 509 through the driving piece 506 and the driving barrel 507, and the air pump operates;
- the pressure switch 525 controls the coil 504 to be energized, and the driving piece 506 is attracted to the outer end surface of the circumferential direction of the driving disc 502, and is not combined with the driving barrel 507. , the power cannot be transmitted to the air pump shaft 509, and the air pump does not work.
- the difference between the air pump in the embodiment and the fifth embodiment is that the first electronic control device includes The permanent magnet 603c and the electromagnet assembly composed of the electromagnet core 603 and the coil 604, the permanent magnet 603c is located in the inner cavity of the driving cylinder 607, and is fixed to the air pump casing 609a by fastening bolts, and the electromagnet assembly is located in the circumferential direction of the driving disk 602. The outside of the position is fixed to the air pump casing 609a by bolts.
- the first transmission includes three transmission pieces 606.
- the transmission piece 606 is hinged by a pin 624 to a protrusion 617 on the inner side of the circumferential position of the drive plate 602.
- the drive piece 606 is located on the drive plate 602 and the drive barrel 607.
- the shape of the driving piece 606 is curved, and the inner surface of the driving piece 606 is provided with a curved friction plate 606a pressed and bonded to the driving piece 606.
- the friction piece 606a and the opposite end surface of the driving barrel 607 are provided.
- the gap, the transmission disk 602 and the drive cylinder 607 between the permanent magnet 603c and the opposite end faces of the electromagnet core 603 are respectively provided with a plurality of sets of magnetic isolation grooves 622 and 607a.
- the electromagnet core 603 is opposite to the transmission piece.
- the magnetic attraction of 606 is greater than the magnetic attraction of permanent magnet 603c to drive plate 606.
- the drive plate 602 (pulley) is rotated.
- the pressure in the air pump is equal to or higher than the fourth set value of 6-8 kg (when the brake system can work normally)
- the air pump does not need to work
- the pressure switch 625 controls the coil 604.
- the electromagnet core 603 pulls the drive piece 606 onto the inner end surface of the drive plate 602.
- the friction material 606a on the inner surface of the drive piece 606 is not in contact with the drive barrel 607, and the drive barrel 607 cannot drive the drive plate 602.
- the power is transmitted to the air pump shaft 609, and the air pump does not work.
- the pressure switch 525 controls the circuit of the disconnecting coil 604, and the electromagnet core 603 has no magnetic attraction to the driving piece 606.
- the three driving pieces 606 are firmly sucked on the outer side of the opposite end faces of the driving cylinder 607 by the magnetic field of the permanent magnet 603c, so that the driving plate 602 passes through three
- the driving piece 606 drives the driving cylinder 607 to rotate, and the driving cylinder 607 drives the air pump rotating shaft 609 to rotate, so that the air pump enters the working state.
- the driving piece 606 When the power supply system fails during driving, the coil 604 is suddenly powered off, the driving piece 606 is not attracted by the electromagnet core 603, and the driving piece 606 is firmly attracted to the outer wall of the driving cylinder 607 by the magnetic field of the permanent magnet 603c.
- the friction plate 606a on the inner surface of the driving piece 606 firmly presses the driving cylinder 607, so that the driving disk 602 transmits power to the driving cylinder 607 through the driving piece 606 to drive the air pump rotating shaft 609 to rotate, so that the air pump enters in the case of sudden power failure.
- Working condition to ensure that the vehicle can brake normally in case of sudden power failure.
- the specific position of the permanent magnet 603c is not limited to being mounted on the air pump rotating shaft 609 through the bearing 602a as shown in FIG. 25, and the permanent magnet 603c may be mounted on the outer side of the opposite end surface of the driving cylinder 607, or directly on the driving cylinder 607.
- the opposite end faces of the drive piece 606 are made of a permanent magnet material.
- the manufacturing method of the above electromagnetic transmission device is basically the same as the manufacturing method in the fifth embodiment, except that the driving piece 606 is hinged on the inner end surface of the circumferential position of the driving disk 602 (implementation In the fifth example, on the outer end surface, the first electronic control device in the step (d) is a permanent magnet 603c and an electromagnet assembly composed of the electromagnet core 603 and the coil 604, and the permanent magnet 603c is sleeved outside the air pump shaft 609.
- the ring is fixed to the air pump casing 609a by bolts.
- the permanent magnet 603c is disposed in the inner cavity of the driving cylinder 607, and the electromagnet assembly is disposed outside the opposite end faces of the driving plate 602, and the electromagnet core 603 is fixed to the air pump casing 509 by bolts.
- the magnetic attraction force of the electromagnet core 603 to the driving piece 606 when the coil 604 is energized is greater than the magnetic attraction force of the permanent magnet 603c to the driving piece 606.
- control method of the above electromagnetic transmission device (applied in the air pump) of the present invention is the same as the control method in the fifth embodiment.
- the driving piece is not limited to three, one or more, and different numbers of driving pieces can be set according to the type of the transmission device to ensure the best transmission effect;
- the friction piece can be connected to the driving piece to increase friction , better transmission, can also omit the friction plate and wear the drive plate and the drive barrel;
- the drive plate is steel, iron or other conductive magnetic material;
- the friction plate is all metal, asbestos or other wear-resistant materials.
- the friction plate and the driving piece may be connected by press bonding in the above embodiments 1 to 6, or may be bolted, riveted or other connecting means.
- the electromagnetic transmission device of the invention is suitable for industrial production and can be applied to the manufacture of various electromagnetic fan clutches. It can effectively prevent the electromagnetic clutch failure caused by the sudden failure of the vehicle power supply system, ensure that the device can still function to cool the engine when the electromagnetic clutch fails, and can also be applied to the air pump controlled by the electromagnetic clutch to ensure the electromagnetic clutch fails.
- the air pump can enter the working state to ensure that the vehicle can enter the braking state in case of sudden power failure.
- the method of manufacturing an electromagnetic actuator of the present invention is suitable for processing and manufacturing the electromagnetic actuator of the present invention, which makes the manufacturing method simple, low in cost, and suitable for processing.
- the control method of the electromagnetic transmission device of the present invention is adapted to control the working state of the electromagnetic transmission device of the present invention according to changes in engine temperature or changes in the pressure value of the air pump, so that the control method is simple and easy to operate.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12865416.7A EP2803878B1 (en) | 2012-01-11 | 2012-01-11 | Electromagnetic driving device and methods for manufacturing and controlling same |
EA201491338A EA026539B1 (ru) | 2012-01-11 | 2012-01-11 | Электромагнитное приводное устройство и способы его сборки и управления |
PCT/CN2012/070226 WO2013104117A1 (zh) | 2012-01-11 | 2012-01-11 | 电磁传动装置及其制造方法和控制方法 |
BR112014017149A BR112014017149A8 (pt) | 2012-01-11 | 2012-01-11 | dispositivo de acionamento eletromagnético e métodos de fabricação e controle do mesmo |
CA2860992A CA2860992C (en) | 2012-01-11 | 2012-01-11 | Electromagnetic driving device and methods for manufacturing and controlling same |
US14/371,523 US9476464B2 (en) | 2012-01-11 | 2012-01-11 | Electromagnetic driving device and methods for manufacturing and controlling same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2012/070226 WO2013104117A1 (zh) | 2012-01-11 | 2012-01-11 | 电磁传动装置及其制造方法和控制方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013104117A1 true WO2013104117A1 (zh) | 2013-07-18 |
Family
ID=48781031
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2012/070226 WO2013104117A1 (zh) | 2012-01-11 | 2012-01-11 | 电磁传动装置及其制造方法和控制方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9476464B2 (zh) |
EP (1) | EP2803878B1 (zh) |
BR (1) | BR112014017149A8 (zh) |
CA (1) | CA2860992C (zh) |
EA (1) | EA026539B1 (zh) |
WO (1) | WO2013104117A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11466735B2 (en) | 2020-03-13 | 2022-10-11 | Rolls-Royce Corporation | Electromagnetic clutch system |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112015002180A5 (de) * | 2014-05-09 | 2017-01-26 | Schaeffler Technologies AG & Co. KG | Kupplungseinrichtung mit Wirbelstrombremse mit reduziertem Luftspalt |
CN105257726A (zh) * | 2015-11-11 | 2016-01-20 | 福建工程学院 | 一种分合速度可调的无磨损离合器 |
CN107313849A (zh) * | 2017-08-29 | 2017-11-03 | 浙江耐士伦机械有限公司 | 一种换向电磁风扇离合器总成 |
CN115789125B (zh) * | 2023-02-06 | 2023-04-18 | 龙口中宇热管理系统科技有限公司 | 一种车用风扇、水泵一体式离合器及车辆 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206837A (en) * | 1978-03-02 | 1980-06-10 | Dana Corporation | Centrifugal clutch having electromagnetic release |
US4589536A (en) * | 1984-09-04 | 1986-05-20 | Ford Motor Company | Electromagnetic friction clutch |
JPS6376924A (ja) * | 1986-09-19 | 1988-04-07 | Nippon Denso Co Ltd | 遠心クラツチ |
CN2668923Y (zh) * | 2004-01-13 | 2005-01-05 | 孙保平 | 离心式离合器 |
CN2809324Y (zh) * | 2005-07-20 | 2006-08-23 | 三阳工业股份有限公司 | 离合器构造 |
CN201009726Y (zh) * | 2007-03-13 | 2008-01-23 | 缪文泉 | 混合动力系统 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4976924A (zh) * | 1972-11-27 | 1974-07-24 | ||
JP2001200860A (ja) * | 1999-03-05 | 2001-07-27 | Nippon Soken Inc | 摩擦クラッチ |
DE102005022457A1 (de) * | 2005-05-14 | 2006-11-30 | Zf Friedrichshafen Ag | Elektromagnetisch schaltbare Kupplung |
US8267237B2 (en) * | 2008-11-24 | 2012-09-18 | Magna Powertrain Inc. | Reverse clutch for rotatable inputs |
JP5526916B2 (ja) * | 2010-03-25 | 2014-06-18 | アイシン精機株式会社 | 車両用ウォータポンプ |
JP5527611B2 (ja) * | 2010-11-04 | 2014-06-18 | アイシン精機株式会社 | 電磁クラッチ |
EP2592296B1 (en) * | 2011-11-09 | 2014-01-15 | Aisin Seiki Kabushiki Kaisha | Electromagnetic clutch |
DE102012210287A1 (de) * | 2012-06-19 | 2013-12-19 | Zf Friedrichshafen Ag | Verbindungsvorrichtung und Getriebe für einen Fahrzeugantriebsstrang sowie Verfahren zur Betätigung einer solchen Verbindungsvorrichtung |
-
2012
- 2012-01-11 BR BR112014017149A patent/BR112014017149A8/pt not_active Application Discontinuation
- 2012-01-11 EP EP12865416.7A patent/EP2803878B1/en active Active
- 2012-01-11 EA EA201491338A patent/EA026539B1/ru not_active IP Right Cessation
- 2012-01-11 CA CA2860992A patent/CA2860992C/en not_active Expired - Fee Related
- 2012-01-11 US US14/371,523 patent/US9476464B2/en not_active Expired - Fee Related
- 2012-01-11 WO PCT/CN2012/070226 patent/WO2013104117A1/zh active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206837A (en) * | 1978-03-02 | 1980-06-10 | Dana Corporation | Centrifugal clutch having electromagnetic release |
US4589536A (en) * | 1984-09-04 | 1986-05-20 | Ford Motor Company | Electromagnetic friction clutch |
JPS6376924A (ja) * | 1986-09-19 | 1988-04-07 | Nippon Denso Co Ltd | 遠心クラツチ |
CN2668923Y (zh) * | 2004-01-13 | 2005-01-05 | 孙保平 | 离心式离合器 |
CN2809324Y (zh) * | 2005-07-20 | 2006-08-23 | 三阳工业股份有限公司 | 离合器构造 |
CN201009726Y (zh) * | 2007-03-13 | 2008-01-23 | 缪文泉 | 混合动力系统 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11466735B2 (en) | 2020-03-13 | 2022-10-11 | Rolls-Royce Corporation | Electromagnetic clutch system |
Also Published As
Publication number | Publication date |
---|---|
BR112014017149A2 (pt) | 2017-06-13 |
EA201491338A1 (ru) | 2014-10-30 |
US9476464B2 (en) | 2016-10-25 |
EP2803878A1 (en) | 2014-11-19 |
EP2803878B1 (en) | 2020-11-04 |
CA2860992A1 (en) | 2013-07-18 |
BR112014017149A8 (pt) | 2021-03-09 |
EP2803878A4 (en) | 2016-08-31 |
US20150034447A1 (en) | 2015-02-05 |
CA2860992C (en) | 2016-10-25 |
EA026539B1 (ru) | 2017-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2013104117A1 (zh) | 电磁传动装置及其制造方法和控制方法 | |
CN105570341B (zh) | 电磁离合器 | |
EP3721112B1 (en) | Rotational coupling device having means for sealing the interface between the armature and the electromagnet | |
US3842378A (en) | Double clutch for vehicle air conditioning compressor | |
AU2004300987B2 (en) | Two-speed rotational control apparatus with eddy current drive | |
CN202483694U (zh) | 电磁风扇离合器 | |
CN102536415B (zh) | 电磁风扇离合器及其制造方法和控制方法 | |
US20110253077A1 (en) | Reversible Double-Acting Electromagnetic Device For Transmitting The Movement To/From A Driven/Driving Member | |
CN206361052U (zh) | 一种电磁制动器及电动机 | |
CN202483695U (zh) | 电磁风扇离合器 | |
US9863486B2 (en) | Driven accessory | |
CN102562252B (zh) | 电磁风扇离合器及其制造方法和控制方法 | |
CN101294607A (zh) | 由弹性装置接合并电磁分离向从动件传递旋转运动的设备 | |
KR100641042B1 (ko) | 자기유체를 이용한 벤틸레이티드 클러치 | |
CN104747620B (zh) | 电磁离合器 | |
CN102562253B (zh) | 电磁风扇离合器及其制造方法和控制方法 | |
CN111140606A (zh) | 安全离合器 | |
CN210050219U (zh) | 一种失电电磁离合器总成 | |
CN202468003U (zh) | 电磁风扇离合器 | |
CN103850772A (zh) | 安全式永磁水泵 | |
CN202463801U (zh) | 制动气泵 | |
CN102529933B (zh) | 制动气泵及其制造方法和控制方法 | |
CN218761062U (zh) | 一种双级制动电磁制动器和电机装置 | |
US20240102522A1 (en) | Brake for motor | |
CN111356824B (zh) | 用于以三速度来驱动冷却机动车辆中冷却剂的风扇的装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12865416 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2860992 Country of ref document: CA |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 201491338 Country of ref document: EA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012865416 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112014017149 Country of ref document: BR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14371523 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 112014017149 Country of ref document: BR Kind code of ref document: A2 Effective date: 20140711 |