TH63236B - Motor driving system - Google Patents

Abstract

DC60 in order to provide a motor driving system with an H-bridge circuit in order to control the DC motor. The structuring comes from inexpensive switching parts. With a small heat sink The motor drive system (90) is a system that has been adopted for variable transmission systems. Continuous fluctuation (13) It has a recoil spring (62) which exerts force when the direction of rotation of the DC motor (32) is reversed for a downward slide. Due to the action of the recoil spring (62), the required current flowing through the switching parts of the H-bridge circuit (70) is variable. That depends on whether the DC motor (32) is rotating in normal or reverse direction. The H-Bridge circuit (70) has one set of two commutation parts and a second set of two commutation parts. Which were arranged diagonally, with the DC motor positioned at the center. The first set of two swapping parts (71,73) will make The current flows so that the DC motor rotates in the normal direction for moving up to a second high of the part.Two switching units (72,74) allow the current to flow to allow the DC motor to rotate in reverse direction. For sliding down to low values As the required current flows through the first set of the switching parts. Two sets (71,73) are small. The switching part (71,73) may have a very valuable internal resistance. In order to provide a motor driving system with an H-bridge circuit in order to control the DC motor, The structuring comes from inexpensive switching parts. With a small heat sink The motor drive system (90) is a system that has been adopted for variable transmission systems. Continuous fluctuation (13) It has a reverse spring (62) which exerts force when the direction of rotation of the DC motor (32) is reversed for a downward slide. Due to the action of the recoil spring (62), the required current flowing through the switching parts of the H-bridge circuit (70) is variable. That depends on whether the DC motor (32) is rotating in normal or reverse direction. The H-Bridge circuit (70) has one set of two commutation parts and a second set of two commutation parts. Which were arranged diagonally, with the DC motor positioned at the center. The first set of two switching parts (71,73) causes the current to flow so that the DC motor rotates in the normal direction for a move up to the second high of the two switching parts (72,74 ) Will cause current to flow so that the DC motor rotates in reverse direction. For sliding down to low values As the required current flows through the first set of the switching parts. Two sets (71,73) are small. The switching part (71,73) may have a very valuable internal resistance.

Claims (8)

Disclaimer (all) which will not appear on the advertisement page: EDIT 15/07/2015 1. Motor drive system (90) for the drive unit. Structured In such a way that The required current is variable while the direction of rotation of the DC motor (32) is alternated by Normal rotation to reverse rotation. Or vice versa Due to the power path (62) which feeds the force in the direction of normal rotation or reverse rotation of the DC motor (32), such motor driving system Which has the characteristics Having the H-Bridge (70) circuit consisting of Two parallel connected sets of parts Serial connected switching With both ends (82, 83) of the parallel connection It has been connected to a power source. And the connection (84, 85) of the two serial-connected switching parts that were connected to each other via the DC motor (32) and the presence of another control path (78, 79 ), Which makes four alternating components (71, 72, 73, 74) conductive and non-current with selectable In order to switch the direction of rotation of the DC motor (32) from normal rotation to reverse rotation. Or vice versa, and in one set of two swapping parts This causes the current to flow so that the DC motor (32) rotates in normal direction, and another set of two switching components. This causes the current to flow so that the DC motor (32) rotates in reverse direction. Which are arranged diagonally to each other With DC motors (32) arranged in the middle, they differ from each other in internal resistance. That depends on the desired current flowing through that internal resistance For normal rotation or reverse rotation, one set of switching components (71, 73) for less required current. There will be resistance Within another set of switching parts (72, 74) for the larger required currents, the DC motor (32) is a motor which controls the speed change ratio of the transmission system. Continuously variable (13) of the V-belt type. Each of the drive pulleys (19) and the under pulleys (54) consist of stationary pulleys (18, 52) and traveling pulleys (17, 53). The speed change ratio is proportional by sliding the moving pulley. (17) of the drive pulley (19), compared to stationary pulley (18) with DC motor (32), the pulley according to (54) is provided with the recoil spring (62). As an energy path which energizes the traveling pulley (53) to the stationary pulley (52), the recoil spring (62) energizes the traveling pulley (53) in order to aid the movement. Of the DC motor (32) at the time of the continuously variable transmission shift (13) of the V-belt type down and to stop the movement of the DC motor (32) at the time of the upward movement and The H-Bridge circuit (70) is structured in order to allow current to flow through a series of Those switching parts (71, 73) that have greater internal resistance. When the transmission system Continuously variable (13) is shifted down so that the speed change ratio is lowered. 2. Motor driving system. As set out in claim 1, where the switching parts (71, 72, 73, 74) are fets (FETs) and their internal resistance is the state-on-the-drain (71D) and source resistance. (71S) of the fet 3. motor driving system As set out in Clause 1 or 2, structured In such a way that at the time of the downward motion, the DC motor (32) will cause the pulley to travel (17) of the drive pulley (19) away from the stationary pulley (18), thus increasing the width of the Pulley and thus reduce the radius of the drive pulley (19) where the V-belt is wrapped around it. And in granting the glory The belt winding of the pulleys according to (54) is increased. This is due to the rebound spring (62) and also allows the pulley to travel (53) of the follow pulley (54) to the stationary pulley (52) in order to reduce the The width of that pulley -------------------------------------------------- --------------- 1. Motor driving system (90) for the driver unit It is structured so that the required current varies while the direction of rotation of the DC motor (32) is alternated from normal rotation. To a reverse rotation Or vice versa Due to the energy path (62), which feeds the force in The direction of normal rotation or reverse rotation of the DC motor (32) is Ngo motor driving system said That has been characterized in Having the H-Bridge (70) circuit consisting of Two parallel connected sets of parts A series-connected switch with both ends (82,83) of the parallel interface. It has been connected to a power source. And the interface (84,85) of the serial-connected switching parts that are interconnected together via the DC motor (32) and the presence of a control path. (78,79) which conducts current and does not conduct current and does not conduct the selected current. It has four sets of switching parts (71, 72, 73, 74) to switch the direction of rotation of the DC motor (32) from normal rotation to reverse rotation. Or vice versa One set of two switching parts This causes the current to flow so that the DC motor (32) rotates in normal direction, and another set of two switching components. This causes the current to flow so that the DC motor (32) rotates in reverse direction. Which are arranged diagonally to each other With DC motors (32) arranged in the middle, they differ from each other in internal resistance. That depends on the required current flowing through them for normal rotation or reverse rotation. 2. Motor driving system As set out in Clause 1, where one set of Alternate (71,73) for smaller required currents. Will have a greater internal resistance than any other set of Switching parts (72,74) for very high demanding currents. 3. Motor driving system As set out in either Clause 1 or Clause 2, where the switching element (71, 72, 73, 74) is the fate and the internal resistance is the state-on resistance. Straddling the drain (71D) and the source (71S) of the Fate. 4. Motor driving system As set out in any of the clauses 1 to 3, where the DC motor (32) is the motor which controls the speed change ratio of the variable transmission system. Continuous (13) diversion of the V-belt type. Which has been structured in such a way that Each of the pool Drive lay (19) and follow pulley (54) consist of Fixed reel (18. 52) and the moving pulley (17, 53) and the speed change ratio are varied by the displacement of the moving pulley (17) of the driving pulley (19) compared to the stationary pulley (18) with the DC motor ( 32) that The ploulay according to (54) has also been prepared. The recoil spring (62) serves as a means of providing energy. Which will power the traveling pulley (53) to the stationary pulley (52). 5. Motor driving system As set out in claim 4, where the H-Bridge Circuit (70) receives Arrangement of the rail so that the current flows through the set of those (71,73) switching components with greater internal resistance. When the continuously variable transmission system (13) is shifted down to the ratio Changing that speed to a low value 6. Motor driving system As set out in claim 5, it is structured so that at the time of the scrolling down The DC motor (32) will move the pulley (17) of the driving pulley (19). Out of the fixed pulley (18), thus increasing the width of the pulley. And thus reducing the diameter of the drive pulley (19) with a V-belt wrapped around it. And to allow the diameter The belt winding of the pulleys according to (54) is increased. This is due to the recoil spring (62), and also allows the pulley to travel (53) of the followed pulley (54) to the fixed pulley (52) in order to reduce the width. Of that pulley 7. Motor driving system As set out in Claims 1 or Article 2, one of the devices that drive Is a device to drive the throttle valve It has a recoil spring (62) that serves as an energy path that energizes the throttle valve. In one direction 8.Motor driving system As set out in Claims 1 or Article 2, one of the devices to drive. It is a device to drive the exhaust control valve. It has a recoil spring (62) that acts as an energy path that supplies energy in one direction to the exhaust control flaps that are attached to the muffler.