CN105305622A - Anti-misoperation distribution cabinet capable of remote control - Google Patents

Abstract

The invention provides a remote-controllable anti-misoperation power distribution box, which includes a cabinet body, a cabinet door, a hinge, a front panel, a circuit knife switch, an automatic access device, a grounding protection device, a control circuit board and a load circuit breaker. The cabinet door is arranged at the lower front end of the cabinet body through hinges; the front panel is arranged at the upper part of the cabinet door; the circuit knife switch is arranged at the left side of the upper part inside the cabinet body; the automatic access device is arranged at the line The lower part of the knife switch; the ground protection device is set on the right side of the line knife switch; the control circuit board is set at the lower part of the ground protection device; the load circuit breaker is set at the lower part of the line knife switch. The present invention, through the automatic access device and the setting of the grounding protection device, is beneficial to shake out the circuit knife switch during maintenance and keep it in the maintenance position, and uses the electromagnetic lock to maintain the grounding state of the grounding knife switch, completely preventing the occurrence of misoperation; Through the setting of the control circuit board, the remote control of the power distribution cabinet is realized.

Description

A remote-controllable anti-misoperation distribution box

technical field

The invention relates to an electric appliance power distribution cabinet, in particular to a remote-controllable misoperation-proof power distribution box.

Background technique

The knife switch used at the incoming line end of the current integrated distribution box does not have the function of preventing misoperation. When the terminal equipment or electrical lines of the integrated distribution box need to be maintained or repaired, if other personnel close the switch by mistake, it will cause personal injury or death. Equipment accidents, so maintenance personnel do not have a real and reliable safety guarantee during maintenance; moreover, if the existing knife switch is accidentally operated with a load, it will cause an arc short circuit, which will bring serious harm to the operator and equipment. Great harm will come, especially in rainy and humid weather, the harm will be even greater.

The existing Chinese patent number is CN20220511273, a comprehensive distribution box with anti-misoperation, including an incoming line terminal, and after the incoming line terminal is connected in series with a knife switch, the outgoing wiring is divided into two parallel branches, and each parallel branch is respectively A circuit breaker is connected in series with the load; the knife switch is an anti-misoperation knife switch, and the anti-misoperation knife switch has an auxiliary contact, and the auxiliary contact is connected in series with a coil of a relay; the two circuit breakers Each has a shunt release, the relay has two normally open contacts, and the two shunt releases are connected in series with the two normally open contacts of the relay respectively and then connected in parallel. The utility model can prevent misoperation and prevent the knife switch at the incoming line end from being switched on with load, but there is a problem that it cannot be remotely controlled, thereby affecting work efficiency.

Therefore, it is very necessary to invent a remote-controllable anti-misoperation distribution box.

Contents of the invention

In order to solve the above-mentioned technical problems, the present invention provides a remote-controllable anti-misoperation distribution box to solve the problem that the existing anti-misoperation distribution box cannot be remotely controlled, thereby affecting work efficiency. A remotely controllable anti-misoperation distribution box includes a cabinet body, a cabinet door, a hinge, a front panel, a circuit knife switch, an automatic access device, a grounding protection device, a control circuit board and a load circuit breaker. The cabinet door passes through The hinge is set at the lower front end of the cabinet; the front panel is set at the upper part of the cabinet door; the line knife switch is set at the upper left side inside the cabinet; the automatic access device is set at the lower part of the line knife switch The ground protection device is arranged on the right side of the line switch; the control circuit board is set at the bottom of the ground protection device; the load circuit breaker is set at the bottom of the line switch; the automatic access device It includes a base, a drive motor, a gear, a rack, a bracket and an encoder. The drive motor is arranged on the upper left side of the base; the two ends of the drive motor are provided with gears; the rack is arranged on the side of the gear The upper part; the encoder is set on the upper right side of the base through the bracket.

The grounding protection device includes a grounding switch, a voltage transformer and an electromagnetic lock. The voltage transformer is set on the upper right side of the grounding switch; the electromagnetic lock is set on the lower right side of the grounding switch.

The cabinet door includes a sealing strip, a door lock, an on-site operation button and a knife switch outlet, and a sealing strip is arranged around the inside of the cabinet door; a door lock is provided on the cabinet door; the on-site operation button It is arranged on the upper left side of the cabinet door; the knife switch outlet is arranged on the upper right side of the cabinet door.

The control circuit board includes a switching power supply, a PLC controller and a communication module, the PLC controller is arranged on the right side of the switching power supply; the communication module is arranged on the right side of the PLC controller.

An ammeter and a voltmeter are arranged on the front panel, and the voltmeter is arranged on the right side of the ammeter.

The rack is specifically arranged at the lower part of the line knife switch. By cooperating with the drive motor, it is beneficial to swing out the line knife switch through gear transmission during maintenance and keep it at the maintenance position, thereby preventing misoperation. .

The drive motor specifically adopts a double-output shaft high-torque worm gear reducer motor, which is arranged in cooperation with the gear and the rack, which is beneficial to swing out the line knife switch through gear transmission during maintenance and keep it in the maintenance position , so as to prevent the occurrence of misuse.

The line knife switch specifically adopts an anti-misoperation knife switch, which is beneficial to eliminate misoperation, thereby improving the personal safety of maintenance personnel.

The electromagnetic lock is specifically connected to the transmission lock lever of the grounding knife switch. By cooperating with the voltage transformer, it is beneficial to use the electromagnetic lock to maintain the grounding state of the grounding knife switch, and achieve the purpose of locking the grounding knife switch. Prevent the occurrence of misuse.

The communication module specifically adopts a network communication module, which facilitates remote control of the power distribution cabinet by cooperating with the PLC controller, improves work efficiency, and can monitor the operation status of the power distribution cabinet in real time.

Compared with the prior art, the present invention has the following beneficial effects: the remote-controllable anti-misoperation distribution box of the present invention is widely used in electrical distribution cabinets. Simultaneously, the beneficial effects of the present invention are:

1. The setting of the automatic access device of the present invention is beneficial to swing out the line knife switch through gear transmission during maintenance, and keep it at the maintenance position, thereby preventing the occurrence of misoperation.

2. The setting of the grounding protection device of the present invention is beneficial to use the electromagnetic lock to maintain the grounding state of the grounding knife switch, achieve the purpose of locking the grounding knife switch, and completely prevent the occurrence of misoperation.

3. The setting of the control circuit board of the present invention is beneficial to remote control of the power distribution cabinet, improves work efficiency, and can monitor the operation status of the power distribution cabinet in real time.

Description of drawings

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

Fig. 2 is a structural schematic diagram of the automatic entry and exit device of the present invention.

Fig. 3 is a schematic structural diagram of the ground protection device of the present invention.

Fig. 4 is a structural schematic diagram of the control circuit board of the present invention.

Fig. 5 is a structural schematic diagram of the back of the cabinet door of the present invention.

detailed description

The present invention will be further described below in conjunction with accompanying drawing:

In the picture:

1-cabinet body, 2-cabinet door, 21-sealing strip, 22-door lock, 23-on-site operation button, 24-knife switch outlet, 3-hinge, 4-front panel, 41-ammeter, 42-voltmeter, 5-line switch, 6-automatic access device, 61-base, 62-drive motor, 63-gear, 64-rack, 65-bracket, 66-encoder, 7-grounding protection device, 71-grounding switch , 72-voltage transformer, 73-electromagnetic lock, 8-control circuit board, 81-switching power supply, 82-PLC controller, 83-communication module, 9-load circuit breaker.

Example:

As shown in Figure 1 to Figure 5

The invention provides a remote-controllable anti-misoperation power distribution box, including a cabinet body 1, a cabinet door 2, a hinge 3, a front panel 4, a circuit knife switch 5, an automatic access device 6, a grounding protection device 7, and a control circuit board 8 and a load circuit breaker 9, the cabinet door 2 is arranged at the lower front end of the cabinet body 1 through the hinge 3; the front panel 4 is arranged at the upper part of the cabinet door 2; the circuit knife switch 5 is arranged at the cabinet body 1 on the upper left side of the interior; the automatic access device 6 is set at the lower part of the line knife switch 5; the ground protection device 7 is set at the right side of the line knife switch 5; the control circuit board 8 is set at the ground The lower part of the protection device 7; the load circuit breaker 9 is arranged at the lower part of the line knife switch 5; the automatic access device 6 includes a base 61, a drive motor 62, a gear 63, a rack 64, a bracket 65 and an encoder 66 , the drive motor 62 is arranged on the upper left side of the base 61; the two ends of the drive motor 62 are provided with a gear 63; the rack 64 is arranged on the upper part of the gear 63; the encoder 66 passes The bracket 65 is arranged on the upper right side of the base 61 .

The grounding protection device 7 includes a grounding switch 71, a voltage transformer 72 and an electromagnetic lock 73. The voltage transformer 72 is arranged on the upper right side of the grounding switch 71; the electromagnetic lock 73 is arranged on the grounding switch. The lower right side of the gate 71.

The cabinet door 2 includes a sealing strip 21, a door lock 22, an on-site operation button 23 and a knife switch outlet 24, and the inside of the cabinet door 2 is provided with a sealing strip 21; the cabinet door 2 is provided with a door The lock 22; the on-site operation button 23 is arranged on the upper left side of the cabinet door 2; the knife switch outlet 24 is arranged on the upper right side of the cabinet door 2.

Described control circuit board 8 comprises switching power supply 81, PLC controller 82 and communication module 83, and described PLC controller 82 is arranged on the right side of switching power supply 81; Described communication module 83 is arranged on the PLC controller 82 Right.

An ammeter 41 and a voltmeter 42 are arranged on the front panel 4 , and the voltmeter 42 is arranged on the right side of the ammeter 41 .

The rack 64 is specifically arranged at the lower part of the line knife switch 5, and is arranged in cooperation with the drive motor 62, which is beneficial to swing out the line knife switch through gear transmission during maintenance, thereby preventing misoperation.

The drive motor 62 specifically adopts a double-output-shaft high-torque worm gear reducer motor. By cooperating with the gear 63 and the rack 64, it is beneficial to shake out the line knife switch through gear transmission during maintenance, thereby preventing Occurrence of misuse.

The line knife switch 5 specifically adopts an anti-misoperation knife switch, which is beneficial to eliminate misoperation, thereby improving the personal safety of maintenance personnel.

The electromagnetic lock 73 is specifically connected to the transmission lock lever of the grounding knife switch 71, and through the cooperation with the voltage transformer, it is beneficial to use the electromagnetic lock to maintain the grounding state of the grounding knife switch, so as to achieve the purpose of locking the grounding knife switch .

The communication module 83 specifically adopts a network communication module, which facilitates remote control of the power distribution cabinet by cooperating with the PLC controller, improves work efficiency, and can monitor the operation status of the power distribution cabinet in real time.

working principle

When the present invention is in use, the PLC controller 82 of the control circuit board 8 can be remotely controlled through the communication module 93, first cut off each load circuit breaker 9, and then cut off the circuit knife switch 5, and use the gear 63 and the rack of the automatic access device 6 64, the line knife switch 5 is moved out to the inspection position, and remains in the changed position; the grounding knife switch 71 is closed by using the electromagnetic lock 72, thereby preventing the occurrence of misoperation.

Utilize the technical solution described in the present invention, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the present invention, and achieve the above-mentioned technical effect, all fall into the protection scope of the present invention.

Claims (10)

1. one kind can the anti-misoperation distribution box of remote control, it is characterized in that, this anti-misoperation distribution box of remote control can comprise cabinet (1), cabinet door (2), hinge (3), front panel (4), circuit disconnecting link (5), automatic access apparatus (6), earth protective device (7), control circuit board (8) and load break switch (9), described cabinet door (2) is arranged on the front lower portion of cabinet (1) by hinge (3); Described front panel (4) is arranged on the top of cabinet door (2); Described circuit disconnecting link (5) is arranged on the inner upper left-hand of cabinet (1); Described automatic access apparatus (6) is arranged on the bottom of circuit disconnecting link (5); Described earth protective device (7) is arranged on the right side of circuit disconnecting link (5); Described control circuit board (8) is arranged on the bottom of earth protective device (7); Described load break switch (9) is arranged on the bottom of circuit disconnecting link (5); Described automatic access apparatus (6) comprises base (61), CD-ROM drive motor (62), gear (63), tooth bar (64), support (65) and encoder (66), described CD-ROM drive motor (62) is arranged on the left upper portion of base (61); The two ends of described CD-ROM drive motor (62) are provided with gear (63); Described tooth bar (64) is arranged on the top of gear (63); Described encoder (66) is arranged on the right upper portion of base (61) by support (65).

2. as claimed in claim 1 can the anti-misoperation distribution box of remote control, it is characterized in that, described earth protective device (7) comprises grounding switch (71), voltage transformer (72) and electromagnetic lock (73), described voltage transformer (72) is arranged on the right upper portion of grounding switch (71); Described electromagnetic lock (73) is arranged on the lower right side of grounding switch (71).

3. as claimed in claim 1 can the anti-misoperation distribution box of remote control, it is characterized in that, described cabinet door (2) comprises sealing strip (21), door lock (22), execute-in-place button (23) and disconnecting link outlet (24), the surrounding of described cabinet door (2) inside is provided with sealing strip (21); Described cabinet door (2) is provided with door lock (22); Described execute-in-place button (23) is arranged on the upper left-hand of cabinet door (2); Described disconnecting link outlet (24) is arranged on the upper right of cabinet door (2).

4. as claimed in claim 1 can the anti-misoperation distribution box of remote control, it is characterized in that, described control circuit board (8) comprises Switching Power Supply (81), PLC (82) and communication module (83), described PLC (82) is arranged on the right side of Switching Power Supply (81); Described communication module (83) is arranged on the right side of PLC (82).

5. as claimed in claim 1 can the anti-misoperation distribution box of remote control, it is characterized in that, described front panel (4) is provided with ammeter (41) and voltmeter (42), described voltmeter (42) is arranged on the right side of ammeter (41).

6. as claimed in claim 1 can the anti-misoperation distribution box of remote control, it is characterized in that, described tooth bar (64) is specifically arranged on the bottom of circuit disconnecting link (5).

7. as claimed in claim 1 can the anti-misoperation distribution box of remote control, it is characterized in that, described CD-ROM drive motor (62) specifically adopts double output shaft high pulling torque worm and gear gear motor.

8. as claimed in claim 1 can the anti-misoperation distribution box of remote control, it is characterized in that, described circuit disconnecting link (5) specifically adopts anti-misoperation disconnecting link.

9. as claimed in claim 2 can the anti-misoperation distribution box of remote control, it is characterized in that, described electromagnetic lock (73) is specifically connected with the transmission locking bar of grounding switch (71).

10. as claimed in claim 3 can the anti-misoperation distribution box of remote control, it is characterized in that, described communication module (83) specifically adopts network communication module.