Interlocking operation mechanism of environment-friendly cabinet

Abstract

The utility model provides an interlocking operation mechanism of an environment-friendly cabinet, and relates to the technical field of environment-friendly cabinets. The environment-friendly cabinet comprises an environment-friendly cabinet body, a cabinet door is fixedly installed on the outer surface of the environment-friendly cabinet body, a connection operation mechanism is arranged in the environment-friendly cabinet body, and the connection operation mechanism comprises an isolation grounding mechanism, a circuit breaker switching mechanism and an interlocking shifting piece. The isolation grounding mechanism comprises an interlocking cam, an isolation switch operation hole and a grounding switch operation hole; the circuit breaker switching mechanism comprises an energy storage operation hole, a circuit breaker switching-on button and a circuit breaker switching-off button. According to the utility model, by arranging the isolation grounding mechanism, the circuit breaker switching mechanism, the interlocking plectrum and other parts, the opening and closing operation of the circuit breaker is limited by using the opening and closing states of the grounding switch and the isolation switch, so that the interlocking protection effect of the environment-friendly cabinet is achieved, the use safety of the environment-friendly cabinet is improved, workers are prevented from mistakenly entering an electrified interval, and the safety of the environment-friendly cabinet is improved. And the switching-off and switching-on operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an interlocking mechanism, in particular to an environmental protection cabinet interlocking operation mechanism, belongs to environmental protection cabinet technical field. BACKGROUND

[0002] The environmental protection cabinet is the abbreviation of the environmental protection gas insulation ring network cabinet, and the ring network cabinet is a group of power transmission and distribution electrical equipment installed in a metal or non-metal insulation cabinet or made into a spliced interval type ring network power supply unit electrical equipment, which is widely used in various load center distribution stations and box-type substations, and the environmental protection cabinet must use the interlocking mechanism to ensure the "five-prevention" safety of the cabinet.

[0003] According to the patent No. CN212258241U, a kind of environmental protection cabinet mechanism interlocking device with isolation, including interlocking plate, closing button, closing operation hole with mechanism top plate, isolation operation hole and grounding operation hole, isolation operation hole and grounding operation hole are separately arranged on the both sides of interlocking plate and located on the horizontal movement track of interlocking plate.

[0004] The above scheme has a relatively stable connection structure during implementation, but the above scheme is inconvenient for interlocking protection of circuit breaker during implementation, and the interlocking operation is more troublesome, and the use steps are more cumbersome;Therefore, we provide an environmental protection cabinet interlocking operation mechanism to solve the above problems. SUMMARY

[0005] The utility model discloses an environmental protection cabinet interlocking operation mechanism to solve the above problems, to solve the five-prevention interlocking structure operation of environmental protection cabinet in prior art is more troublesome.

[0006] The utility model discloses an environmental protection cabinet interlocking operation mechanism to solve the above problems, to solve the five-prevention interlocking structure operation of environmental protection cabinet in prior art is more troublesome.

[0007] Preferably, the outer surface of the cabinet door is fixedly provided with a grounding isolation display, which can display the grounding and isolation switch position information, and the grounding isolation display facilitates the staff to understand the corresponding contactor position information.

[0008] Preferably, the circuit breaker switch mechanism further comprises an energy storage indicator and an opening and closing indicator, both of which are installed on the surface of the cabinet door, and the opening and closing indicator displays that the circuit breaker is not allowed to be closed and the closing command will not be responded when the circuit breaker is in a non-working state, which can effectively prevent the circuit breaker from being closed with a grounding wire.

[0009] Preferably, the energy storage indicator can display the circuit breaker energy storage state, and the opening and closing indicator can display the circuit breaker contactor position, and the energy storage indicator facilitates the operator to understand the energy storage process.

[0010] Preferably, the circuit breaker switch mechanism further comprises a circuit breaker operation counter installed on the surface of the cabinet door, which can be used to record the number of actions of the circuit breaker, and the circuit breaker operation counter is instantaneous live, and does not need to be operated for a long time.

[0011] Preferably, the outer surface of the cabinet door is fixedly provided with a grounding visual observation window, and the outer surface of the cabinet door is fixedly provided with a lighting lamp, and the grounding visual observation window facilitates the operator to observe the interlocking grounding state.

[0012] Preferably, the environmental protection cabinet and the cabinet door are fixedly provided with an electromagnetic lock, which plays a role in preventing misoperation of opening and closing the circuit breaker, and the electromagnetic lock can be used as an anti-misoperation monitoring device to provide better safety protection for the environmental protection cabinet.

[0013] Preferably, the inside of the isolation switch operation hole, the grounding switch operation hole and the energy storage operation hole are provided with corresponding operation rods, and the operation rods facilitate the staff to operate the switch valve through the handle.

[0014] The utility model provides a kind of environmental protection cabinet interlocking operation mechanism, it has the beneficial effects as follows:

[0015] The utility model sets up isolation grounding mechanism, circuit breaker switch mechanism and interlocking paddle etc., and the opening and closing state of grounding switch and isolation switch is used to limit the opening and closing operation of circuit breaker, to achieve the effect of interlocking protection for environmental protection cabinet, improve the use safety of environmental protection cabinet, avoid staff to misenter live interval, facilitate to operate interlocking mechanism, improve the operation efficiency of opening and closing.

[0016] The utility model discloses through the setting of ground visual observation window, illuminating lamp and electromagnetic lock, ground visual observation window is convenient for operating personnel to observe the interlock ground state, provides the convenience for operating interlock mechanism, reduces the operating personnel because the ground state of mechanism and appears the operating failure condition of not knowing, illuminating lamp can play the lighting effect, provides the convenience for operating personnel to observe the ground state of isolation ground mechanism through ground visual observation window, electromagnetic lock can be used as the anti -error operation monitoring, provides better safety protection effect for environmental protection cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the structure schematic diagram of the utility model cabinet door;

[0019] Figure 3 It is the internal structure schematic diagram of the utility model environmental protection cabinet;

[0020] Figure 4 It is the internal structure plan of the utility model environmental protection cabinet;

[0021] Figure 5 It is the interlock mechanism schematic diagram of the utility model;

[0022] Figure 6 It is the partial structure schematic diagram of the utility model circuit breaker switch mechanism;

[0023] Figure 7 It is the partial structure schematic diagram of the utility model isolation ground mechanism.

[0024]

MAIN COMPONENT SYMBOL EXPLANATION

[0025] 1, environmental protection cabinet;2, cabinet door;

[0026] 3, isolation ground mechanism;301, interlock cam;302, ground switch operation hole;303, isolation switch operation hole;304, isolation switch station display;

[0027] 4, circuit breaker switch mechanism;401, energy storage operation hole;402, circuit breaker closing button;403, circuit breaker opening button;404, energy storage indicator;405, opening and closing indicator;406, circuit breaker operation counter;

[0028] 5, interlock paddle;6, ground visual observation window;7, illuminating lamp;8, electromagnetic lock;9, cable chamber door. DETAILED DESCRIPTION

[0029] The utility model embodiment provides a kind of environmental protection cabinet interlock operating mechanism.

[0030] Please refer toFigures 1-7 , including the environmental protection cabinet 1, the environmental protection cabinet 1 is prior art, the present application only relates to the interlocking operating mechanism inside the environmental protection cabinet 1, and too much redundant description will not be made to other electrical elements inside the environmental protection cabinet 1, the electrical elements involved in the present application are prior art, and the specific working principle and mounting mode thereof will not be described in the present application.

[0031] The outer surface of the environmental protection cabinet 1 is fixedly provided with a cabinet door 2, the cabinet door 2 is fixed on the surface of the environmental protection cabinet 1 through bolts, and the elements in the interlocking operating mechanism can be protected, so that the safety accidents caused by the exposure of the elements to the external environment are prevented, various display devices of the interlocking operating mechanism are installed on the cabinet door 2, and the interlocking mechanism can be directly operated without opening the cabinet door 2.

[0032] The electromagnetic lock 8 is fixedly installed between the environmental protection cabinet 1 and the cabinet door 2, the electromagnetic lock 8 can lock the grounding switch operating hole (302), plays a role in preventing the grounding switch from being short-circuited by live operation, has the advantages of low power consumption, stable and reliable quality, signal feedback output monitoring, external damage prevention, no noise, fire prevention and anti-theft characteristics and the like.

[0033] The outer surface of the cabinet door 2 is fixedly provided with a grounding visual observation window 6, and the outer surface of the cabinet door 2 is fixedly provided with an illuminating lamp 7, the grounding visual observation window 6 facilitates the observation of the interlocking grounding state by the operator, provides convenience for the operation of the interlocking mechanism, reduces the operation error caused by the operator's unawareness of the grounding state of the mechanism, and the illuminating lamp 7 can play a lighting effect, providing convenience for the operator to observe the grounding state of the isolation grounding mechanism 3 through the grounding visual observation window 6.

[0034] The inside of the environmental protection cabinet 1 is provided with a connection operating mechanism, the connection operating mechanism comprises an isolation grounding mechanism 3, a circuit breaker switch mechanism 4 and an interlocking paddle 5. The isolation grounding mechanism 3 can control the isolation state and the grounding state of the environmental protection cabinet 1, the circuit breaker switch mechanism 4 can control the opening and closing state of the circuit breaker, and the interlocking paddle 5 provides a transmission effect for the linkage locking of the isolation grounding mechanism 3 and the circuit breaker switch mechanism 4, so as to enhance the protection effect of the environmental protection cabinet 1 and avoid the occurrence of the mistake of entering the live interval due to the mistake of the operator.

[0035] The isolation grounding mechanism 3 comprises an interlocking cam 301, a grounding switch operation hole 302 and an isolation switch operation hole 303, the interlocking cam 301 is rotationally connected with the inner wall of the environmental protection cabinet 1, the isolation switch operation hole 303 is located close to the top of the interlocking paddle 5, the interlocking cam 301 can rotate in the interior of the environmental protection cabinet 1 according to the operation of the staff, the rotation of the interlocking cam 301 can change the connection state of the interlocking paddle 5, so as to realize the interlocking operation of the device, when the circuit breaker switch is closed or opened, the end of the interlocking paddle 5 will block the isolation switch operation hole 303, at this time, the control rod in the isolation switch operation hole 303 cannot be rotated, so as to avoid the influence of the isolation switch on the closing and opening operation of the circuit breaker, and the interlocking effect of the device is strengthened.

[0036] The outer surface of the cabinet door 2 is fixedly provided with an isolation switch station display 304, the isolation switch station display 304 can display the position information of the grounding and isolation switches, the surface of the interlocking cam 301 is provided with state display information, the staff can master the position information of the interlocking cam 301 through the isolation switch station display 304, so as to facilitate the staff to select the subsequent interlocking operation step according to the state of the interlocking cam 301.

[0037] The circuit breaker switch mechanism 4 comprises an energy storage operation hole 401, a circuit breaker closing button 402 and a circuit breaker opening button 403, the inside of the grounding switch operation hole 302, the isolation switch operation hole 303 and the energy storage operation hole 401 is provided with a corresponding operation rod, generally, an operation handle matched with the operation rod is provided outside the cabinet, the staff can rotate the operation rod by inserting the operation handle into the operation hole, so as to control the adjustment of the interlocking mechanism, and the operation is relatively convenient.

[0038] The outer surface of the circuit breaker closing button 402 and the circuit breaker opening button 403 is fixedly connected with a crank arm matched with the interlocking paddle 5, when the circuit breaker closing button 402 or the circuit breaker opening button 403 is pressed, the interlocking paddle 5 can be driven to move in the vertical direction through the crank arm, so as to switch the closing or opening state of the circuit breaker switch.

[0039] The circuit breaker switch mechanism 4 further comprises an energy storage indicator 404 and an opening and closing indicator 405, the energy storage indicator 404 and the opening and closing indicator 405 are installed on the surface of the cabinet door 2, the energy storage indicator 404 can display the energy storage state of the circuit breaker, the indicators in the application can indicate the working state of the corresponding switch, the opening and closing indicator 405 can display the position of the circuit breaker contactor, so as to facilitate the staff to master the opening and closing state of the contactor in the cabinet and reduce the occurrence of operation errors.

[0040] The circuit breaker switch mechanism 4 further comprises a circuit breaker operation counter 406 installed on the surface of the cabinet door 2, which can be used to record the number of actions of the circuit breaker. The circuit breaker operation counter 406 has the advantages of real-time monitoring, fault diagnosis, improving device safety, reducing power outage time, optimizing maintenance plan, etc. It can provide important information about the operation state of the circuit breaker, help operation and maintenance personnel better manage and maintain power equipment, and thus ensure the stable operation of the power system. The normal and defect-free operation of the circuit breaker operation counter 406 is an important work to ensure the safe and stable operation of the power grid.

[0041] The interlocking paddle 5 is arranged between the isolation grounding mechanism 3 and the circuit breaker switch mechanism 4, and can move in the vertical direction. It is used to realize the interlocking operation between the isolation grounding mechanism 3 and the circuit breaker switch mechanism 4. When the grounding switch is opened and the isolation switch is closed, the interlocking paddle 5 will move under the drive of the interlocking cam 301. At this time, the operator can only operate the short circuit breaker to close or open, so as to avoid the operator from mistakenly opening or closing the circuit breaker and prevent safety accidents from occurring.

[0042] Working principle: the worker first presses the circuit breaker tripping button 403, observes the on-off indicator 405, confirms that the circuit breaker is in the tripping position, does not put down the interlocking dial 405, inserts the handle into the disconnecting switch operation hole 303 to rotate the operating rod, disconnects the disconnecting switch, observes the disconnecting switch position display 304, confirms that the disconnecting switch is in the tripping position, pulls up the unlocking pull rod of the electromagnetic lock 8 (if the cable is live, the unlocking pull rod of the electromagnetic lock 8 cannot be pulled up, and the grounding switch operation hole 302 cannot be operated), then inserts into the grounding switch operation hole 302 and rotates the operating rod, closes the grounding switch, observes the disconnecting switch position display 304, confirms that the grounding switch is in the grounding position, stores energy through the handle rotating the operating rod corresponding to the energy storage operation hole 401, presses the closing button 402, observes the on-off indicator 405, confirms that the circuit breaker is in the closing position, at this time, the cable grounding operation is completed, and the worker can open the cable chamber door 9 to perform safe operation. After the worker completes the operation in the cable chamber, closes the cable chamber door 9, presses the circuit breaker tripping button 403, observes the on-off indicator 405, confirms that the circuit breaker is in the tripping position, inserts the handle into the grounding switch operation hole 302 and reversely rotates the handle, disconnects the grounding switch, observes the disconnecting switch position display 304, confirms that the grounding switch is in the tripping position, does not put down the interlocking dial 405, then reversely inserts the disconnecting switch operation hole 303 and reversely rotates the handle, closes the disconnecting switch, observes the disconnecting switch position display 304, confirms that the disconnecting switch is in the closing position, stores energy through the handle rotating the operating rod corresponding to the energy storage operation hole 401, presses the closing button 402, observes the on-off indicator 405, confirms that the circuit breaker is in the closing position, completes the power-on operation, improves the operation safety of the environmental protection cabinet 1, and avoids safety accidents caused by operation errors.

[0043] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly cabinet interlocking operating mechanism comprising an environmentally friendly cabinet (1), characterized in that: The environmental protection cabinet (1) is externally fixedly installed with a cabinet door (2), and the inside of the environmental protection cabinet (1) is provided with a connecting operation mechanism, which comprises an isolation grounding mechanism (3), a circuit breaker switch mechanism (4) and an interlocking dial (5); The isolation grounding mechanism (3) comprises an interlocking cam (301), a grounding switch operation hole (302) and an isolation switch operation hole (303), the interlocking cam (301) is rotationally connected with the inner wall of the environmental protection cabinet (1), and the isolation switch operation hole (303) is located close to the top of the interlocking dial (5); The circuit breaker switch mechanism (4) comprises an energy storage operation hole (401), a circuit breaker closing button (402) and a circuit breaker opening button (403), the outer surfaces of the circuit breaker closing button (402) and the circuit breaker opening button (403) are fixedly connected with crank arms, and the crank arms are matched with the interlocking dial (5); The interlocking dial (5) is arranged between the isolation grounding mechanism (3) and the circuit breaker switch mechanism (4) and can move in the vertical direction, and is used for realizing interlocking operation between the isolation grounding mechanism (3) and the circuit breaker switch mechanism (4).

2. An environmentally friendly cabinet interlock operating mechanism according to claim 1, characterized in that: The outer surface of the cabinet door (2) is fixedly installed with an isolation switch station display (304), and the isolation switch station display (304) can display grounding and isolation switch position information.

3. An environmentally friendly cabinet interlock operating mechanism according to claim 1, characterized in that: The circuit breaker switch mechanism (4) further comprises an energy storage indicator (404) and an opening and closing indicator (405), and the energy storage indicator (404) and the opening and closing indicator (405) are installed on the surface of the cabinet door (2).

4. An environmentally friendly cabinet interlock operating mechanism according to claim 3, characterized in that: The energy storage indicator (404) can display the circuit breaker energy storage state, and the opening and closing indicator (405) can display the circuit breaker contact position.

5. An environmentally friendly cabinet interlock operating mechanism according to claim 1, characterized in that: The circuit breaker switch mechanism (4) further comprises a circuit breaker operation counter (406) installed on the surface of the cabinet door (2), and the circuit breaker operation counter (406) can be used for recording the number of actions of the circuit breaker.

6. An environmentally friendly cabinet interlock operating mechanism according to claim 1, characterized in that: The outer surface of the cabinet door (2) is fixedly installed with a grounding visual observation window (6), and the outer surface of the cabinet door (2) is fixedly installed with an illuminating lamp (7).

7. An environmentally friendly cabinet interlock operating mechanism according to claim 1, characterized in that: The environmental protection cabinet (1) and the cabinet door (2) are fixedly installed with an electromagnetic lock (8), and when the cable is electrified, the electromagnetic lock (8) can lock the grounding switch operation hole (302), thereby preventing the grounding switch from being operated under electrification and causing short circuit to the ground.

8. An environmentally friendly cabinet interlock operating mechanism according to claim 1, characterized in that: The inside of the grounding switch operation hole (302), the isolation switch operation hole (303) and the energy storage operation hole (401) is installed with corresponding operation rods.

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