CN211507425U - FATSK dual-power automatic transfer switch - Google Patents

Abstract

The utility model provides a FATSK dual supply automatic transfer switch, including the body that is equipped with the inner chamber, its characterized in that: the inner chamber in install the circuit selection device, just circuit selection device one side electric connection have drive arrangement, just drive arrangement and electrically controlled device electric connection, the circuit selection device lower extreme still be provided with circuit device, just circuit device fixed mounting in the body on, the utility model provides a pair of FATSK dual supply automatic transfer switch utilizes electrically controlled device to control drive arrangement and drive circuit selection device and circuit device cooperation, can realize the selection of different circuits, and simple structure, the cost of manufacture is low, the maintenance of being convenient for.

Description

FATSK dual-power automatic transfer switch

Technical Field

The utility model belongs to the technical field of dual switch, especially, relate to a FATSK dual supply automatic transfer switch.

Background

A dual-power automatic transfer switch is automatically connected to a standby power supply through a dual-power transfer switch when power is suddenly cut off, so that the operation of people is not stopped and can be continued.

For example, chinese patent literature discloses a large-distance dual power automatic transfer switch, where the number of applications is: 201810979858.5, including electromagnet driving mechanism, lever driving mechanism and contact arc extinguishing mechanism, the lever driving mechanism includes a driving lever and an action lever, the middle of the driving lever is provided with a fulcrum shaft, the force application end is provided with a force point groove, the resistance end is provided with a resistance shaft, the action lever is set to L shape, one end of the action lever is provided with a kidney-shaped hole, the other end is vertically fixed with a moving contact rotating shaft, the driving lever of the common power supply and the driving lever of the standby power supply are oppositely closed in the installation bottom plate by a lever cover, the end of the moving contact rotating shaft of the action lever is sleeved on the installation bottom plate, the kidney-shaped hole on the action lever is sleeved in the resistance shaft of the driving lever, because of the special structure of the lever driving mechanism, the rotating shaft provided with the moving contact can obtain a rotation angle of 36 degrees, the distance between the moving contact and the static contact of the dual power supply reaches 23mm, which is beneficial to the arc extinguishing mechanism, the breaking arc extinguishing capability and the working stability of the double power sources are improved.

According to the double-power-supply automatic change-over switch in the scheme, although the breaking arc extinguishing capacity and the working stability of the double power supplies are improved to a certain extent, the structure is complex, and the production and maintenance costs are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a FATSK dual supply automatic transfer switch is provided, utilizes electrically controlled device to control drive arrangement and drive the cooperation of line selection device and circuit arrangement, can realize the selection of different circuits, and simple structure, and the cost of manufacture is low, the maintenance of being convenient for.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a FATSK dual supply automatic transfer switch, is including the body that is equipped with the inner chamber, its characterized in that: the inner cavity is internally provided with a circuit selection device, one side of the circuit selection device is electrically connected with a driving device, the driving device is electrically connected with an electric control device, the lower end of the circuit selection device is also provided with a circuit device, and the circuit device is fixedly arranged on the body.

Preferably, the line selection device comprises a rotating shaft hinged to the body, a driving wheel is fixedly mounted on the rotating shaft, sliding rails are symmetrically arranged on two sides of the driving wheel, and a left line selection assembly and a right line selection assembly are mounted in the sliding rails on the two sides respectively.

Preferably, the left circuit selection assembly comprises a left push rod movably mounted in the slide rail, a left rack meshed with the transmission wheel is fixedly mounted on one side of the left push rod, a plurality of non-conductive left connecting rods are hinged to the lower end of the left push rod, a left conducting strip is hinged to the front end of each left connecting rod, the left conducting strips are hinged to a left mounting rod, and the left mounting rod is made of plastics and is fixedly mounted on the body; the right circuit selection assembly comprises a right push rod movably arranged in the slide rail, a right rack meshed with the drive wheel is fixedly arranged on one side of the right push rod, a plurality of non-conductive right connecting rods are hinged to the lower end of the right push rod, a right conducting strip is hinged to the front end of each right connecting rod, the right conducting strips are hinged to right mounting rods, and the right mounting rods are made of plastics and fixedly mounted on the body.

Preferably, the connection mode between the upper end of the left connecting rod and the left push rod, the connection mode between the lower end of the left connecting rod and the left conducting strip, the connection mode between the upper end of the right connecting rod and the right push rod, and the connection mode between the lower end of the right connecting rod and the right conducting strip are all in a movable connection mode.

Preferably, the driving device is arranged in the chute on one side of the right push rod, a metal sheet is installed in the chute, the metal sheet is connected with a metal rod through a spring, the metal rod is matched with the chute, a coil is further wound on the metal rod, and the coil is electrically connected with the electric control device.

Preferably, the electric control device comprises a control module, a driving device, a main voltage detection module, a standby voltage detection module, a power module and a circuit breaker module, wherein the power module is electrically connected with an external main power circuit and a standby power circuit, the main power detection module and the standby voltage detection module are respectively electrically connected with the main power circuit and the standby power circuit, the main power detection module and the standby voltage detection module are electrically connected with the control module, the driving device is electrically connected with the control module and the circuit breaker module, and the circuit breaker module is respectively electrically connected with the main power circuit and the standby power circuit, so that the function of automatically switching the double power supplies is realized by utilizing the modules.

Preferably, the power supply module is electrically connected with the main power supply circuit and the standby power supply circuit in a single-phase line connection mode, and the main power supply detection module and the standby voltage detection module are electrically connected with the main power supply circuit and the standby power supply circuit in a single-phase, two-phase or three-phase line connection mode, so that different circuits are respectively connected by using the connection modes.

Preferably, the circuit device comprises a plurality of conductive bridges matched with the left conductive sheets and the right conductive sheets, wherein the lower ends of the conductive bridges are fixedly connected with load lugs, each conductive bridge is symmetrically provided with a left lug and a right lug on two sides, the left lug and the right lug are not in contact with the load lugs, one side of the left lug is in contact with the left conductive sheets, one side of the right lug is in contact with the right conductive sheets, the distance between the left lug and the conductive bridges is smaller than the length of the left conductive sheets, and the distance between the right lug and the conductive bridges is smaller than the length of the right conductive sheets.

Preferably, the conductive bridge, the load lug, the left lug and the right lug are all fixedly arranged on the body.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses the drive arrangement who sets up in has electrically controlled device to control, for coil power supply, outage come the production of control magnetic force, further with the spring fit, make switching speed can reach 50ms between main power supply and the stand-by power supply, very big improvement the work efficiency of equipment, be suitable for computer lab, laboratory and hospital to use.

2. The utility model discloses the line selection device who sets up in adopts the rack of drive wheel and both sides to cooperate, can adopt simple structure to realize the control to left push rod, right push rod, and being provided with of pivot does benefit to manual control line selection device and cooperates with circuit device, and the practicality is stronger, and adopts gear engagement's mode to make the regulation of position more accurate.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a front partial sectional view of the present invention.

Fig. 3 is a right side sectional view of the present invention.

Fig. 4 is a perspective cross-sectional view of the present invention.

Fig. 5 is a wiring diagram of the electric control device provided by the present invention.

In the figure, the circuit breaker comprises a body 1, an inner cavity 11, a circuit selection device 2, a rotating shaft 21, a driving wheel 22, a sliding rail 23, a left circuit selection assembly L, a left push rod L1, a left rack L2, a left connecting rod L3, a left conducting strip L4, a left mounting rod L5, a right circuit selection assembly R, a right push rod R1, a right rack R2, a right connecting rod R3, a right conducting strip R4, a right mounting rod R5, a driving device 3, a sliding groove 31, a metal sheet 32, a spring 33, a metal rod 34, a coil 35, an electric control device 4, a control module 41, a main voltage detection module 42, a standby voltage detection module 43, a power supply module 44, a circuit breaker module 45, a circuit device 5, a conducting bridge 51, a load lug 52, a left lug 53 and a right lug 54.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, an automatic changeover switch for dual power supplies of FATSK includes a body 1 provided with an inner cavity 11, and is characterized in that: install circuit selection device 2 in the inner chamber 11, and 2 one side electric connection of circuit selection device has drive arrangement 3, and drive arrangement 3 and 4 electric connection of electrically controlled device, 2 lower extremes of circuit selection device still are provided with circuit arrangement 5, and circuit arrangement 5 fixed mounting on body 1, and the size of inner chamber 11 sets up according to circuit selection device 2 in this device for circuit selection device 2 can move in inner chamber 11.

Specifically, the line selection device 2 comprises a rotating shaft 21 hinged on the body 1, a driving wheel 22 is fixedly mounted on the rotating shaft 21, sliding rails 23 are symmetrically arranged on two sides of the driving wheel 22, a left line selection assembly L and a right line selection assembly R are respectively mounted in the sliding rails 23 on the two sides, and in the device, the structure, the size and the manufacturing materials of the left line selection assembly L and the right line selection assembly R are consistent.

Furthermore, the left circuit selection assembly L comprises a left push rod L1 movably mounted in the slide rail 23, one side of the left push rod L1 is fixedly mounted with a left rack L2 engaged with the driving wheel 22, the lower end of the left push rod L1 is hinged with a plurality of non-conductive left connecting rods L3, the front end of each left connecting rod L3 is hinged with a left conductive sheet L4, the left conductive sheets L4 are hinged on the left mounting rod L5, and the left mounting rod L5 is made of plastic and fixedly mounted on the body 1; the right circuit selection assembly R comprises a right push rod R1 movably arranged in the slide rail 23, one side of the right push rod R1 is fixedly provided with a right rack R2 meshed with the driving wheel 22, the lower end of the right push rod R1 is hinged with a plurality of non-conductive right connecting rods R3, the front end of each right connecting rod R3 is hinged with a right conducting strip R4, the right conducting strips R4 are hinged on the right mounting rod R5, the right mounting rod R5 is made of plastic and fixedly arranged on the body 1, in the device, the left circuit selection assembly L is used for explaining, the left push rod L1, the left connecting rod L3 and the left mounting rod L5 can be made of non-metal and insulating materials, such as plastic, on one hand, the weight of the whole product is favorably reduced, on the other hand, the insulating material is favorable for enabling the left circuit selection assembly L not to influence the conductivity of the whole product, and the left circuit selection assembly L, The dimensions and the material of the right circuit selection element R are the same, and therefore are not described in detail.

Furthermore, the upper end of the left connecting rod L3 and the left push rod L1, the lower end of the left connecting rod L3 and the left conducting strip L4, the upper end of the right connecting rod R3 and the right push rod R1, and the lower end of the right connecting rod R3 and the right conducting strip R4 are movably connected, in the device, spheres can be arranged at the upper end and the lower end of the left connecting rod L3 and are respectively matched with the left push rod L1 and the sphere grooves formed in the left conducting strip L4, so that the product can rotate more flexibly.

Still further, the driving device 3 is disposed on the chute 31 on one side of the right push rod L1, the chute 31 is internally installed with a metal sheet 32, the metal sheet 32 is connected with a metal rod 34 through a spring 33, the metal rod 34 is mutually matched with the chute 31, the metal rod 34 is further wound with a coil 35, and the coil 35 is electrically connected with the electric control device 4, in the device, the metal rod 34 can be provided with a limit plate to be matched with an annular limit ring at the front end of the chute 31, so that the metal rod 34 can move in the chute 31 but cannot be separated from the chute 31, when the coil 35 is energized, the metal rod 34 generates magnetic force, so that the fixedly installed metal rod 35 adsorbs the metal sheet 32, further drives the right push rod R1 to move forward in the slide rail 23, the right push rod R1 to move and simultaneously drives the right rack R2 to move, further drives the driving wheel 22 to rotate, the driving wheel 22 drives the left rack L2 to move reversely along the right rack, the moving direction of the right push rod R1 is opposite to that of the left push rod L1, so that the right connecting rod R3 drives the right conducting strip R4 to move upwards, the right conducting strip R4 is disconnected from the conducting bridge 51, the right circuit is disconnected, meanwhile, the left connecting rod L3 drives the left conducting strip L4 to move downwards, so that the left conducting strip L4 is closed with the conducting bridge 51, the left circuit is opened, when the coil 35 is not electrified, the running directions of the left push rod L1 and the right push rod R1 are interchanged, the right connecting rod R3 drives the right conducting strip R4 to move downwards, the right conducting strip R4 is closed with the conducting bridge 51, the right circuit is opened, meanwhile, the left connecting rod L3 drives the left L4 to move upwards, so that the left conducting strip L4 is disconnected from the conducting bridge 51, the left circuit is opened, and when the left circuit is operated manually, the rotating shaft 21 is.

Furthermore, the electric control device 4 includes a control module 41, the driving device 3, a main voltage detection module 42, a standby voltage detection module 43, a power module 44 and a disconnection switch module 45, the power module 44 is electrically connected to an external main power circuit and a standby power circuit, the main power detection module and the standby voltage detection module 43 are respectively electrically connected to the main power circuit and the standby power circuit, the main power detection module and the standby voltage detection module 43 are electrically connected to the control module 41, the driving device 3 is electrically connected to the control module 41 and the disconnection switch module 45, and the disconnection switch module 45 is respectively electrically connected to the main power circuit and the standby power circuit, thereby realizing the function of automatic switching of the double power supplies by using the above modules.

More specifically, the power module 44 is electrically connected to the main power circuit and the standby power circuit in a single-phase connection mode, and the main power detection module and the standby voltage detection module 43 are electrically connected to the main power circuit and the standby power circuit in a single-phase, two-phase or three-phase connection mode, so that different circuits are connected using the above connection modes.

Specifically, the line device 5 includes a plurality of left conductive strips L4, and conductive bridges 51 in which right conductive strips R4 are mutually matched, a load lug 52 is fixedly connected to the lower end of each conductive bridge 51, a left lug 53 and a right lug 54 are symmetrically arranged on both sides of each conductive bridge 51, the left lug 53 and the right lug 54 are not in contact with the load lug 52, one side of the left lug 53 is in contact with the left conductive strip L4, one side of the right lug 54 is in contact with the right conductive strip R4, the distance between the left lug 53 and the conductive bridge 51 is smaller than the length of the left conductive strip L4, and the distance between the right lug 54 and the conductive bridge 51 is smaller than the length of the right conductive strip R4.

Further, the conductive bridge 51, the load lug 52, the left lug 53, and the right lug 54 are all fixedly mounted on the body 1.

The working principle is as follows: in the initial state, the device, the assembly and the structure are in the working stop state, the main power circuit is in the on state, and the standby power circuit is in the off state; when the device works, the power module 44 supplies power to the control module 41 and the driving device 3, the main power detection module and the standby voltage detection module 43 respectively detect the working conditions of the main power circuit and the standby power circuit, and the control module 41 controls the driving device 3 to switch on and off the circuit breaking switch module 45 according to the working conditions of the main power circuit and the standby power circuit; when the main power detection module detects that the main power circuit is abnormal, the control module 41 controls the driving device 3 to enable the circuit breaking switch module 45 to act, the main power circuit is broken, and the standby power circuit is opened, so that when the fire disaster and other conditions happen, the equipment can be electrically connected with the fire-fighting linkage equipment in the external space, the equipment is in a double-division state, at the moment, the control module 41 controls the driving device 3 to enable the circuit breaking switch module 45 to be in an off state, and at the moment, the main power circuit and the standby power circuit are both broken.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the body 1, the inner cavity 11, the line selection device 2, the rotating shaft 21, the transmission wheel 22, the slide rail 23, the left line selection assembly L, the left push rod L1, the left rack L2, the left link L3, the left conductive sheet L4, the left mounting rod L5, the right line selection assembly R, the right push rod R1, the right rack R2, the right link R3, the right conductive sheet R4, the right mounting rod R5, the driving device 3, the sliding chute 31, the metal sheet 32, the spring 33, the metal rod 34, the coil 35, the electric control device 4, the control module 41, the main voltage detection module 42, the standby voltage detection module 43, the power supply module 44, the cut-off switch module 45, the line device 5, the conductive bridge 51, the load lug 52, the left lug 53, and the right lug 54 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.

Claims (9)

1. The utility model provides a FATSK dual supply automatic transfer switch, includes body (1) that is equipped with inner chamber (11), its characterized in that: the circuit selection device is characterized in that a circuit selection device (2) is installed in the inner cavity (11), one side of the circuit selection device (2) is electrically connected with a driving device (3), the driving device (3) is electrically connected with an electric control device (4), a circuit device (5) is further arranged at the lower end of the circuit selection device (2), and the circuit device (5) is fixedly installed on the body (1).

2. The FATSK dual-power automatic transfer switch of claim 1, wherein: the line selection device (2) comprises a rotating shaft (21) hinged to the body (1), a driving wheel (22) is fixedly mounted on the rotating shaft (21), sliding rails (23) are symmetrically arranged on two sides of the driving wheel (22), and a left line selection assembly (L) and a right line selection assembly (R) are mounted in the sliding rails (23) on the two sides respectively.

3. The FATSK dual-power automatic transfer switch of claim 2, wherein: the left circuit selection assembly (L) comprises a left push rod (L1) movably mounted in the sliding rail (23), a left rack (L2) meshed with the driving wheel (22) is fixedly mounted on one side of the left push rod (L1), a plurality of non-conductive left connecting rods (L3) are hinged to the lower end of the left push rod (L1), a left conductive sheet (L4) is hinged to the front end of each left connecting rod (L3), the left conductive sheets (L4) are hinged to the left mounting rod (L5), and the left mounting rod (L5) is made of plastic and fixedly mounted on the body (1); the right circuit selection assembly (R) comprises a right push rod (R1) movably mounted in the sliding rail (23), a right rack (R2) meshed with the driving wheel (22) is fixedly mounted on one side of the right push rod (R1), a plurality of non-conductive right connecting rods (R3) are hinged to the lower end of the right push rod (R1), a right conductive sheet (R4) is hinged to the front end of each right connecting rod (R3), the right conductive sheet (R4) is hinged to the right mounting rod (R5), and the right mounting rod (R5) is made of plastic and fixedly mounted on the body (1).

4. The FATSK dual-power automatic transfer switch of claim 3, wherein: the left connecting rod (L3) upper end with left push rod (L1), left connecting rod (L3) lower extreme with left conducting strip (L4), right connecting rod (R3) upper end with right push rod (R1), right connecting rod (R3) lower extreme with right conducting strip (R4) between the connected mode all adopt swing joint's mode.

5. The FATSK dual-power automatic transfer switch of claim 4, wherein: drive arrangement (3) set up in spout (31) of right push rod (R1) one side, spout (31) in install sheetmetal (32), sheetmetal (32) be connected with metal pole (34) through spring (33), just metal pole (34) with spout (31) mutually support, metal pole (34) on still twine coil (35), just coil (35) with electrically controlled device (4) electric connection.

6. The FATSK dual-power automatic transfer switch of claim 5, wherein: the electric control device (4) comprises a control module (41), a driving device (3), a main voltage detection module (42), a standby voltage detection module (43), a power supply module (44) and a circuit breaker module (45), the power supply module (44) is electrically connected with an external main power supply circuit and a standby power supply circuit, the main power supply detection module and the standby voltage detection module (43) are respectively and electrically connected with the main power supply circuit and the standby power supply circuit, the main power supply detection module and the standby voltage detection module (43) are electrically connected with the control module (41), the driving device (3) is electrically connected with the control module (41) and the circuit breaker module (45), the circuit breaker module (45) is respectively electrically connected with the main power circuit and the standby power circuit, so that the function of automatic double-power switching is realized by utilizing the modules.

7. The FATSK dual-power automatic transfer switch of claim 6, wherein: the power supply module (44) is electrically connected with the main power supply circuit and the standby power supply circuit in a single-phase line connection mode, and the main power supply detection module and the standby voltage detection module (43) are electrically connected with the main power supply circuit and the standby power supply circuit in a single-phase, two-phase or three-phase line connection mode, so that different circuits are respectively connected by utilizing the connection modes.

8. The FATSK dual-power automatic transfer switch of claim 4, wherein: the circuit device (5) comprises a plurality of conductive bridges (51) which are matched with each other by the left conductive sheets (L4) and the right conductive sheets (R4), the lower end of each conductive bridge (51) is fixedly connected with a load lug (52), a left lug (53) and a right lug (54) are symmetrically arranged on two sides of each conductive bridge (51), and the left lug plate (53) and the right lug plate (54) are not contacted with the load lug plate (52), one side of the left lug plate (53) is contacted with the left conducting strip (L4), one side of the right connecting sheet (54) is contacted with the right conducting sheet (R4), and the distance between the left lug plate (53) and the conductive bridge (51) is less than the length of the left conductive sheet (L4), the distance between the right lug plate (54) and the conductive bridge (51) is less than the length of the right conductive sheet (R4).

9. The FATSK dual-power automatic transfer switch of claim 8, wherein: the conductive bridge (51), the load lug plate (52), the left lug plate (53) and the right lug plate (54) are fixedly arranged on the body (1).

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