Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
  • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
  • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
  • H01H3/3005—Charging means
  • H01H3/3015—Charging means using cam devices
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
  • H01H3/34—Driving mechanisms, i.e. for transmitting driving force to the contacts using ratchet
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
  • H01H2300/018—Application transfer; between utility and emergency power supply
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
  • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
  • H01H9/20—Interlocking, locking, or latching mechanisms
  • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches

Definitions

• This invention relates to the field of low voltage electrical appliances and, more particularly, to an operating system for an automatic transfer switch. Background technique
• the operating system of the existing integrated automatic transfer switch mostly adopts an electromagnet, a linear motor or a manual direct rotation connection to the common power supply side or the standby power supply side main shaft to drive the contact system to move to the closed position, because the force generated by the electromagnet is affected by the volume. Limitations, and direct manual operation is also difficult to generate a large operating force, so that the capacity of the transfer switch is limited. If the large-capacity integrated automatic transfer switch uses the previous electromagnet, linear motor or manually operated operating system, it will require a large volume and low reliability.
• the patent application No. 200910047109.X discloses a three-gear switching mechanism of a transfer switch appliance, comprising: a first gear connected to the first contact, the rotation of the first gear driving the first contact to be closed with the first power source or Opening; the second gear is connected to the second contact, the rotation of the second gear drives the second contact and the second power source to be closed or opened, the first gear and the second gear are not in contact; the driving gear is meshed to the first gear to drive A gear rotates, and meshes with the second gear to drive the second gear to rotate.
• the driving direction of the driving gear is opposite to the first gear and the second gear.
• the driving gear rotates in the second direction; the first gear rotates in the first direction, the first contact is separated from the first power source from the closed position, and becomes an open position; the second gear is driven to rotate in the first direction, and the second contact is
• the second power source approaches from the open position and becomes the closed position.
• the conversion structure is simple and reliable, and the positional conversion is realized by using different meshing conditions of the gear set, the electromagnet is omitted, the structure is simplified, and the reliability is improved.
• the solution of the patent application is an incomplete three-gear scheme, which has high requirements for the process and the low reliability, and is used in a transfer switch of a non-pre-storage operation structure.
• the patent application with the application number 200910047108.5 discloses a dual-energy storage operating mechanism for a single operating shaft for automatically switching the switching appliance, comprising: an operating handle and an operating motor, the operating handle and the operating motor are located at the operating mechanism of the automatic transfer switch appliance The first side of the mounting plate, the operating handle and the operating motor are nested into the first operating cam spindle of the operating mechanism, by the operating handle or operating the electric
• the machine drives the first operating cam main shaft to rotate;
• the transmission gear is located on the second side of the mounting plate of the operating mechanism, the transmission gear is connected to the first operating cam main shaft and the second operating cam main shaft of the operating mechanism, and the rotation of the first operating cam main shaft is transmitted through the transmission
• the gear drives the rotation of the second operating cam main shaft;
• the energy storage mechanism is connected to the first operating cam main shaft through the first cam, and is also connected to the second operating cam main shaft through the second cam, the first operating cam main shaft and the second operating cam main shaft
• the rotation of the energy storage mechanism is carried out
• the patent application scheme adopts a two-gear scheme, which cannot ensure the precise positioning of the dual energy storage operation mechanism, and cannot ensure the energy storage operation of another energy storage operation mechanism after the energy storage operation of one energy storage operation mechanism is completed, thereby being reliable. Poor sex, there are hidden dangers and gears stuck. Summary of the invention
• the present invention is directed to providing a reliable operating system for a large-capacity, one-piece, three-position automatic transfer switch.
• a gear set of an operating system of an automatic transfer switch which is used for energy storage operations of a common side operating mechanism and a standby side operating mechanism independent of each other, and a common side operating mechanism is connected to the common The side power supply, the standby side operating mechanism is connected to the standby side power supply, wherein the gear set includes:
• the common side drive wheel is connected to the drive shaft of the common side operating mechanism, and the common side drive wheel is equipped with a common side clutch;
• the spare side drive wheel is connected to the drive shaft of the standby side operating mechanism, and the spare side drive is mounted with the backup side clutch;
• the common side transmission wheel and the spare side transmission wheel are used, and the common side transmission wheel and the spare side transmission wheel are all connected to the common shaft, the common side transmission wheel is engaged with the common side drive wheel, and the spare side transmission wheel is engaged with the spare side drive wheel;
• the reversing wheel, the reversing wheel and the common side transmission wheel are reversing wheel, the reversing wheel and the common side transmission wheel.
• an energy storage mechanism of an operating system of an automatic transfer switch is provided.
• the energy storage mechanism is used for energy storage operations of a common side operation mechanism and a standby side operation mechanism independent of each other, and a common side operation mechanism is connected.
• the standby side operating mechanism is connected to the standby side power supply, wherein the energy storage mechanism includes: The gear set, the gear set includes: a common side drive wheel, a drive shaft connected to a common side operating mechanism, a common side drive wheel mounted on a common side drive wheel; a spare side drive wheel connected to a drive shaft of the standby side operating mechanism, a spare side
• the drive side is equipped with a backup side clutch; the common side drive wheel and the spare side drive wheel, the common side drive wheel and the spare side drive wheel are all connected to the common shaft, the common side drive wheel is engaged with the common side drive wheel, and the spare side drive wheel is The spare side drive wheel is engaged; the reverse wheel, the reverse wheel and the common side drive wheel are engaged;
• the operating handle and the motor, the operating handle and the motor are connected to the common shaft and drive the common shaft;
• the side plates are equipped with a ratchet, a pawl and a spring, the ratchet and the pawl are engaged with each other, and the spring is connected to one end of the pawl.
• an operating system of an automatic transfer switch is disclosed.
• the operating system is connected to a common side power source and a standby side power source.
• the operating system includes:
• Common side operating mechanism connecting common side power supply, common side operating mechanism includes: common side cam, connected to common side drive shaft; common side energy storage lever; common side energy storage spring, common side energy storage spring end connected to common side Cam, the other end is connected to the common side energy storage lever; the common side four-bar linkage mechanism, the common side four-bar linkage mechanism is connected to the common side drive shaft; the common side opening lever; the standby side operating mechanism, the standby side power supply, the standby side
• the operating mechanism comprises: a spare side cam connected to the spare side drive shaft; a spare side energy storage lever; a spare side energy storage spring, one end of the spare side energy storage spring is connected to the spare side cam, and the other end is connected to the spare side energy storage lever; Spare side four-bar linkage, spare side four-bar linkage connected to spare side drive shaft; spare side trip lever; gear set, gear set including: common side drive wheel, connected to common side drive shaft, common side drive wheel Installed with a common side clutch; spare side drive wheel, connected to the spare side
• the operating handle and the motor, the operating handle and the motor are connected to the common shaft and drive the common shaft;
• the side plates are equipped with a ratchet, a pawl and a spring, the ratchet and the pawl are engaged with each other, and the spring is connected to one end of the pawl.
• the operating handle and the motor rotate to drive the common shaft to rotate, the common shaft belt
• the moving gear set rotates.
• the operating handle and the motor rotate to rotate the common shaft to a range of 0° to 150° to store energy for the common side operating mechanism; to rotate to a range of 150° to 300° for energy storage in the standby side operating mechanism.
• the rotary handle and the motor are in an intermediate position, the operating system is disconnected from the common side power source and the standby side power source; the rotating handle and the motor rotate and drive the common shaft to rotate, and the common shaft passes through the common side transmission wheel, The driving reversing wheel and the common side driving wheel transmit the torque to the common side driving shaft, and the common side driving shaft drives the common side cam rotation, and the common side cam pushes the common side energy storage lever to rotate and compress the common side energy storage spring for energy storage;
• the common shaft rotates to 150°, the energy storage operation of the common side operating mechanism is completed, and the common side clutch is disengaged from the common side drive shaft; the common shaft continues to rotate, and the common shaft transmits the torque to the standby through the standby side transmission wheel and the standby side drive wheel.
• the side drive shaft is driven by the backup side drive shaft to drive the standby side cam to rotate, and the spare side cam pushes the spare side energy storage lever to rotate and compress the spare side energy storage spring for energy storage; when the common shaft rotates to 300°, the standby side operating mechanism is completed.
• the backup side clutch is disengaged from the standby side drive shaft.
• the common side cam and the spare side cam have different curves.
• the common side cam is a variable radius in a range of 0° to 150° rotation, and an equal radius in a rotation range of 150° to 300°;
• the spare side cam is an equal radius in a range of 0° to 150° rotation.
• the invention can provide a reliable operating system for the large-capacity integrated three-position automatic transfer switch, adopts the energy storage operation, and can meet the requirement of large closing force required for the large-capacity integrated three-position automatic transfer switch. . DRAWINGS
• Figure 1 discloses a block diagram of an operating system of an automatic transfer switch in accordance with an embodiment of the present invention.
• Fig. 3 discloses a structural view of a side panel of an operating system of an automatic transfer switch according to an embodiment of the present invention.
• Fig. 4 is a block diagram showing a conventional side operating mechanism of an operating system of an automatic transfer switch according to an embodiment of the present invention.
• Fig. 5 is a block diagram showing the standby side operating mechanism of the operating system of the automatic transfer switch according to an embodiment of the present invention.
• Figure 6 discloses a block diagram of a conventional side cam of an operating system of an automatic transfer switch in accordance with an embodiment of the present invention.
• FIG. 7 is a block diagram showing the alternate side cam of the operating system of the automatic transfer switch in accordance with an embodiment of the present invention. detailed description
• a gear set of an operating system of an automatic transfer switch is provided.
• the gear set is used for energy storage operations of a common side operating mechanism and a standby side operating mechanism independent of each other.
• the common side operating mechanism is connected to the common side power supply, and the standby side operating mechanism is connected to the standby side power supply.
• the gear set includes:
• the common side drive wheel 108a is connected to the drive shaft of the common side operating mechanism, and the common side drive wheel 108a is mounted with the common side clutch 1 10a.
• the backup side drive wheel 108b is connected to the drive shaft of the standby side operating mechanism, and the backup side drive mechanism 108b is mounted with the backup side clutch 1 10b.
• the common side transmission wheel 109a and the backup side transmission wheel 109b, the common side transmission wheel 109a and the standby side transmission wheel 109b are both connected to the common shaft 1 1 1 , and the common side transmission wheel 109a is engaged with the common side driving wheel 108a, and the spare side transmission wheel 109b is engaged. Engaged with the spare side drive wheel 108a.
• the reversing wheel 107, the reversing wheel 107 is engaged with the common side transmission wheel 108a.
• an energy storage mechanism of an operating system of an automatic transfer switch which is used for energy storage operations of a common side operation mechanism and a standby side operation mechanism independent of each other, and a common side operation mechanism Connected to the common side power supply, the standby side operating mechanism is connected to the standby side power supply, and the energy storage mechanism includes: Gear set, gear set as shown in Figure 2, including:
• the common side drive wheel 108a is connected to the drive shaft of the common side operating mechanism, and the common side drive wheel 108a is mounted with the common side clutch 110a.
• the backup side drive wheel 108b is connected to the drive shaft of the standby side operating mechanism, and the standby side drive mechanism 108b is mounted with the backup side clutch 110b.
• the common side transmission wheel 109a and the backup side transmission wheel 109b, the common side transmission wheel 109a and the standby side transmission wheel 109b are both connected to the common shaft 111, the common side transmission wheel 109a is engaged with the common side drive wheel 108a, and the spare side transmission wheel 109b is reserved.
• the side drive wheels 108b are engaged.
• the reversing wheel 107, the reversing wheel 107 is engaged with the common side transmission wheel 108a.
• the operation handle 112 and the motor 113, the operation handle 112 and the motor 113 are connected to the common shaft 111 and drive the common shaft 111.
• the operating handle 112 and motor 113 are shown in FIG.
• the side plate 114, the side plate 114 is mounted with a ratchet 115, a pawl 116 and a spring 117.
• the ratchet 115 and the pawl 116 are engaged with each other, and the spring 117 is coupled to one end of the pawl 116.
• Side panel 114, ratchet 115, pawl 116 and spring 117 are disclosed in FIG.
• an operating system of an automatic transfer switch is disclosed.
• the operating system is connected to a common side power source and a backup side power source.
• the operating system includes: a common side operating mechanism, and the connection is commonly used.
• the structure of the side power supply and the common side operating mechanism can be referred to FIG. 4, including:
• common side energy storage springs one end of the common side energy storage spring is connected to the common side cam 101, and the other end is connected to the common side energy storage lever 104a; the common side energy storage spring is not shown in the figure, the position of the common side energy storage spring Corresponding to the position of the spare side energy storage spring 103b; the common side four-bar linkage 105a, the common side four-bar linkage 105a is connected to the common side drive shaft 118;
• the common side opening lever 106a The common side opening lever 106a.
• the standby side operating mechanism is connected to the standby side power supply.
• the structure of the standby side operating mechanism can be referred to FIG. 5, and the standby side operating mechanism includes:
• the backup side cam 102 is connected to the spare side drive shaft 119;
• the spare side energy storage spring 103b one end of the spare side energy storage spring 103b is connected to the spare side cam 102, and the other end is connected to the spare side energy storage lever 104b;
• the standby side four-bar linkage 105b, the standby side four-bar linkage 105b is connected to the standby side drive shaft 119;
• the spare side trip lever 106b The spare side trip lever 106b.
• Gear set, gear set as shown in Figure 2 including:
• the common side drive wheel 108a is connected to the common side drive shaft 118, and the common side drive wheel 108a is mounted with a common side clutch 110a;
• the backup side drive wheel 108b is connected to the backup side drive shaft 119, and the backup side drive theory 108b is mounted with the backup side clutch 110b;
• the common side transmission wheel 109a and the backup side transmission wheel 109b, the common side transmission wheel 109a and the standby side transmission wheel 109b are both connected to the common shaft 111, the common side transmission wheel 109a is engaged with the common side drive wheel 108a, and the spare side transmission wheel 109b is reserved.
• the side drive wheel 108a is engaged;
• the reversing wheel 107, the reversing wheel 107 is engaged with the common side transmission wheel 108a.
• the operation handle 112 and the motor 113, the operation handle 112 and the motor 113 are connected to the common shaft 111 and drive the common shaft 111.
• the operating handle 112 and motor 113 are shown in FIG.
• the side plate 114, the side plate 114 is mounted with a ratchet 115, a pawl 116 and a spring 117.
• the ratchet 115 and the pawl 116 are engaged with each other, and the spring 117 is coupled to one end of the pawl 116.
• Side panel 114, ratchet 115, pawl 116 and spring 117 are disclosed in FIG.
• the operating handle 112 and the motor 113 rotate to drive the common shaft 111 to rotate, and the common shaft 111 drives the gear set to rotate.
• the operation handle 112 and the motor 113 rotate to drive the common shaft 111 to rotate to a range of 0° to 150°, and store energy for the common side operating mechanism. Rotate to a range of 150° to 300° to store energy for the standby side operating mechanism.
• the rotary handle 112 and the motor 113 are in an intermediate position, and the operating system is disconnected from the common side power source and the standby side power source.
• the rotating handle 112 and the motor 113 rotate and drive the common shaft 111 to rotate, and the common shaft 111 drives the reversing wheel 107 through the common side transmission wheel 109a.
• the side drive wheel 108a transmits torque to the common side drive shaft 1 18, and the common side drive shaft 1 18 drives the common side cam 101 to rotate.
• the common side cam 101 pushes the common side energy storage lever 104a to rotate and compress the common side energy storage spring for storage. can.
• the common side cam 101 and the spare side cam 102 are designed to have different curves.
• the common side cam 101 is a variable radius in the range of 0° to 150° rotation and an equal radius in the range of 150° - 300° rotation.
• the spare side cam 102 has an equal radius in the range of 0° to 150° rotation and a variable radius in the range of 150° to 300° rotation.
• Fig. 6 and Fig. 7 respectively show the structural views of the usual side cam and the spare side cam.
• the common side cam and the spare side cam base circle radius are not equal to ensure that the cam can be accurately positioned after the energy storage spring is released.
• the operating mechanism of the present invention rotates the energy storage lever through the rollers on the energy storage lever when the drive shaft with the cam rotates, and pushes the guide rod to compress and store the spring to realize the energy storage operation.
• the common side cam and the standby side cam are different.
• the common side cam is a variable radius when rotating from 0° to 150°, and the energy storage of the common side compression spring is realized, and the radius is between 150° and 300°;
• the spare side cam is It is an equal radius when rotating from 0° to 150°, and a variable radius between 150° and 300°. In this way, the energy storage operation of the two operating mechanisms is realized by one rotation.
• the common base and spare side cam base circle radii are not equal to ensure that the cam can be accurately positioned after the energy storage spring is released.
• the common side When the operating gear or the motor mounted on the common shaft rotates, the common side is reversing through a gear, and the other gears drive the driving shaft of the common side and the standby side operating mechanism to rotate, and the driving shaft is equipped with a cam, 0 When the rotation is ° ⁇ 150 °, the energy is stored for the common side operating mechanism.
• the clutch device mounted on the common side separates the drive shaft of the common side mechanism from the common shaft; the common shaft continues to rotate, The standby side operating mechanism completes the energy storage between 150° and 300°.
• the clutch device mounted on the standby side ensures that after the standby side operating mechanism completes the energy storage, the drive shaft of the standby side is disengaged from the common shaft. In this way, two rotations are completed in one revolution. Energy storage operation.
• the gear set has a certain speed ratio to reduce the operating force.
• the present invention enables an operating handle or motor to perform the energy storage operation of two separate energy storage operating mechanisms.
• the operating handle is fixed to the base of the switch through the side plate, and the ratchet and spring assist the reliable operation.
• the invention can provide a reliable operating system for the large-capacity integrated three-position automatic transfer switch, adopts the energy storage operation, and can meet the requirement of large closing force required for the large-capacity integrated three-position automatic transfer switch. .

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• Transmission Devices (AREA)
• Mechanical Operated Clutches (AREA)
• Automatic Assembly (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)
• Gear Transmission (AREA)
• Structure Of Transmissions (AREA)

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Applications Claiming Priority (2)

Publications (1)

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ID=48469092

Family Applications (1)

Country Status (7)

Cited By (8)

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Citations (4)

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• 2011
  • 2011-11-25 CN CN201110383503.8A patent/CN103137347B/zh active Active
• 2012
  • 2012-10-09 PL PL12851672T patent/PL2784794T3/pl unknown
  • 2012-10-09 MY MYPI2014001477A patent/MY170762A/en unknown
  • 2012-10-09 ES ES12851672.1T patent/ES2606551T3/es active Active
  • 2012-10-09 EP EP12851672.1A patent/EP2784794B1/de active Active
  • 2012-10-09 BR BR112014012530-9A patent/BR112014012530B1/pt active IP Right Grant
  • 2012-10-09 WO PCT/CN2012/082614 patent/WO2013075555A1/zh active Application Filing

Patent Citations (4)

Non-Patent Citations (1)

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