CN218448935U - Intelligent five-prevention interlocking switch cabinet with high safety - Google Patents

Abstract

The utility model relates to a five prevent interlocking switch cabinet technical field, especially relate to a high intelligent five prevent interlocking switch cabinet of security, including the cabinet body, cabinet room, articulate the dodge gate of terminal surface before the cabinet room and set up the earthing knife-switch in cabinet indoor portion, install a main shaft that is used for controlling it to carry out separating brake, combined floodgate on the earthing knife-switch, be provided with on the main shaft and carry out the locking module who fixes to the dodge gate from inside, be provided with the handle hole that is used for carrying out separating brake, combined floodgate operation to the main shaft on the lateral wall of cabinet room, be provided with the automation that is used for sheltering from the through-hole on the lateral wall in the dodge gate and shelter from the module, the inside of cabinet room is provided with the controller, before the dodge gate is opened in the maintenance needs, needs to close earthing knife-switch earlier, just can make earthing knife-switch separating brake when closing the dodge gate, and whether can the automated inspection dodge gate be closed simultaneously, convenient management improves the security.

Description

Intelligent five-prevention interlocking switch cabinet with high safety

Technical Field

The utility model relates to a five prevent interlocking switch cabinet technical field, specifically be the high intelligent five prevent interlocking switch cabinet of security.

Background

The switch cabinet is an electrical device mainly comprising a circuit breaker, and means that a manufacturer assembles related high-low voltage electrical appliances (including control electrical appliances, protection electrical appliances and measuring electrical appliances) and buses, current-carrying conductors, insulators and the like into a closed or open metal cabinet body according to the requirements of an electrical primary main wiring diagram to serve as a device for receiving and distributing electric energy in an electric power system. The method can not only put a part of power equipment or lines into operation or quit operation according to the operation requirement of the power grid, but also quickly cut off the fault part from the power grid when the power equipment or lines have faults, thereby ensuring the normal operation of the fault-free part in the power grid and the safety of equipment and operation maintenance personnel. The five-prevention interlocking function of the high-voltage switch cabinet comprises 1, preventing the circuit breaker 2 from being pulled (closed) by mistake, preventing the isolating switch 3 from being switched on and off with load, preventing an operator from entering an electrified interval 4 by mistake, preventing an electrified hanging ground wire 5 from being connected with the isolating switch with the ground wire.

The grounding knife switch is arranged in the switch cabinet, is generally arranged beside the disconnecting switches on the two sides of the circuit breaker, plays a role of grounding on the two sides when the circuit breaker is overhauled, can protect personal safety of equipment in a grounding mode when high-voltage equipment and lines are overhauled by utilizing the grounding knife switch, and must be grounded when electrical equipment is overhauled. Generally, the switch is opened before the switch is put into operation (power transmission) and closed before the switch is stopped for operation (maintenance). The grounding knife switch is provided with a main shaft for controlling the grounding knife switch to open and close, an operation hole corresponding to the main shaft is formed in the wall of the switch cabinet, an operation handle needs to be inserted into the operation hole before the cabinet door is opened according to the provisions of electrical five prevention, the main shaft is rotated by matching the operation handle with the main shaft, the grounding knife switch is closed, and then the cabinet door can be safely opened. However present cubical switchboard lacks the safety protection measure, in addition the safety training is not in place, the personnel often appear and violate "electric five prevent" high-risk operation, before operating personnel opens the cabinet door promptly, do not close a floodgate to the earthing switch, there is the potential safety hazard, the utility model with patent application number 2021217482100 discloses an electric five prevent interlocking cubical switchboard, through setting up the slider, first top spring, the pull rod, the brake cable etc, utilize this cubical switchboard can force the staff to operate according to "electric five prevent", only after the earthing switch closes a floodgate, the main shaft carries the pull rod swing, just can open the cabinet door, and before the earthing switch closes a floodgate, the cabinet door can't be opened, guarantee personal and equipment safety, the structure is comparatively complicated, the assembly is comparatively difficult.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high intelligent five-prevention interlocking cubical switchboard of security to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: high intelligent five prevent interlocking cubical switchboard of security, including the cabinet body, cabinet room, articulate the dodge gate of terminal surface before the cabinet room and set up the earthing knife-switch in cabinet indoor portion, install one on the earthing knife-switch and be used for controlling its main shaft that carries out separating brake, combined floodgate, be provided with on the main shaft and carry out the locking module fixed to the dodge gate from inside, be provided with on the lateral wall of cabinet room and be used for carrying out the handle hole of separating brake, combined floodgate operation to the main shaft, be provided with on the inside lateral wall of dodge gate and be used for carrying out the automation of sheltering from to the through-hole and shelter from the module, the inside of cabinet room is provided with the controller.

Preferably, the locking module includes shell body, gear, rack, locating lever and locating piece, the shell body is installed in the inside one side of cabinet room, the main shaft extends to the inside of shell body, the gear is fixed on the inside main shaft of shell body, the rack slides from top to bottom and sets up the one end that is close to the dodge gate at the shell body, and rack and gear intermeshing, the locating lever is fixed in the bottom of rack, the locating piece is fixed in the inboard of cabinet room, and runs through on the locating piece and be provided with the locating hole that matees each other with the locating lever, run through on the preceding terminal surface of shell body and be provided with the through-hole that holds the locating piece and insert to inside, when the dodge gate closed, the locating piece inserts the inside of shell body, when ground connection switch separating brake, the locating lever inserts the locating piece inside and fixes the dodge gate.

Preferably, the automatic module of sheltering from sets up the fly leaf on PMKD and is used for the fly leaf to carry out the elasticity module that resets including PMKD, the horizontal slip fixed on the cabinet indoor lateral wall, PMKD and fly leaf are provided with respectively with cabinet indoor lateral wall on the corresponding first through-hole of manipulating hole and second through-hole, when the dodge gate is opened, the fly leaf extends to the outside of cabinet room under the elastic action of the elasticity module that resets, and first through-hole and second through-hole dislocation each other, when the dodge gate is closed, promote the inside of cabinet room is received to the fly leaf, first through-hole and the coincidence of second through-hole.

Preferably, the elasticity module that resets includes locating part, elasticity piece and direction slide bar that resets, PMKD and fly leaf keep away from one side of dodge gate and are provided with first backup pad and second backup pad respectively, the direction slide bar is fixed on first backup pad along the slip direction of fly leaf, and runs through on the second backup pad to be provided with the slide opening that holds the direction slide bar and pass, the direction slide bar passes slide opening and locating part fixed connection, elasticity resets and cup joints on the direction slide bar between first backup pad and second backup pad.

Preferably, the inner side of the movable plate is provided with a protective cover used for shielding the second through hole in a rotating mode through a rotating shaft, and the rotating shaft is sleeved with a torsion spring used for automatic resetting of the protective cover.

Preferably, the controller is internally provided with a single chip microcomputer, a temperature and humidity sensor and a wireless transmission module.

Preferably, the controller is further provided with a door opening and closing detection sensor for detecting whether the movable door is opened or not.

Compared with the prior art, the beneficial effects of the utility model are that: the intelligent five-prevention interlocking switch cabinet with high safety

(1) The movable door is limited and fixed by arranging the locking module, the movable door can be opened only when the grounding switch is switched off, the operation hole is shielded by arranging the automatic shielding module, and the operation hole can be exposed only by closing the movable door, so that the switching-off operation is performed, the condition that personnel violate 'electric five-prevention' high-risk operation is avoided, the structure is simple, the installation and the disassembly are convenient, and the practicability is strong;

(2) Through setting up the controller, can the inside humiture of real-time supervision cubical switchboard and switch door detect to give the terminal with signal transmission, further improve the security performance.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a top-down structure of the condensing box of the present invention;

FIG. 4 is a block diagram of the system of the present invention;

fig. 5 is a system block diagram of the present invention.

In the figure: 1. a cabinet body; 2. a cabinet chamber; 3. a movable door; 4. a grounding disconnecting link; 401. a main shaft; 5. a locking module; 501. an outer housing; 502. a gear; 503. a rack; 504. positioning a rod; 505. positioning blocks; 6. an automatic shielding module; 601. fixing the bottom plate; 6011. a first support plate; 6012. a first through hole; 602. a movable plate; 6021. a second support plate; 6022. a second through hole; 603. an elastic reset module; 6031. a limiting member; 6032. an elastic reset member; 6033. a guide slide bar; 604. a protective cover; 605. a torsion spring; 6051. a first free end; 6052. a second free end; 606. a rotating shaft; 7. a controller; 701. a single chip microcomputer; 702. a temperature and humidity sensor; 703. a wireless transmission module; 704. and a door opening and closing detection sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that the terms "first", "second", etc. are used for descriptive purposes only, and not for specific purposes in order or sequence or to define the present invention, but merely to distinguish components or operations described in the same technical terms, and not to indicate or imply relative importance or implicitly indicate the number of technical features indicated, so that the features defined as "first", "second", etc. may explicitly or implicitly include at least one such feature. To the extent that the term "includes" and any variations thereof are used in either the detailed description or the claims, as well as the appended drawings, this is intended to cover non-exclusive inclusions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, a fixed connection or a detachable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: an intelligent five-prevention interlocking switch cabinet with high safety comprises a cabinet body 1, a cabinet chamber 2, a movable door 3 hinged on the front end face of the cabinet chamber 2 and a grounding disconnecting link 4 arranged in the cabinet chamber 2, wherein a main shaft 401 for controlling the grounding disconnecting link 4 to be opened and closed is installed on the grounding disconnecting link 4, a locking module 5 for fixing the movable door 3 from the inside is arranged on the main shaft 401, the locking module 5 comprises an outer shell 501, a gear 502, a rack 503, a positioning rod 504 and a positioning block 505, the outer shell 501 is installed on one side in the cabinet chamber 2, the main shaft 401 extends to the inside of the outer shell 501, the gear 502 is fixed on the main shaft 401 in the outer shell 501, the rack 503 is arranged at one end, close to the movable door 3, of the outer shell 501 in a vertical sliding mode through a sliding rail, and the rack 503 is meshed with the gear 502, the positioning rod 504 is fixed at the bottom end of the rack 503, the positioning block 505 is fixed at the inner side of the cabinet chamber 2, the positioning block 505 is provided with a positioning hole which is matched with the positioning rod 504 in a penetrating way, a through hole which can accommodate the positioning block 505 to be inserted into the positioning block is provided in a penetrating way on the front end surface of the outer shell 501, when the movable door 3 is closed, the positioning block 505 is inserted into the outer shell 501, when the grounding knife switch 4 is opened, the gear 502 is driven to rotate, then the rack 503 is driven to slide downwards, the positioning rod 504 is inserted into the positioning block 505 to fix the movable door 3, when the grounding knife switch 4 is closed, the gear 502 is driven to rotate reversely, then the rack 503 is driven to slide upwards, the positioning rod 504 is inserted into the positioning block 505 to fix the movable door 3, and the positioning rod 504 is separated from the positioning block 505, so that the movable door 3 can be opened;

an operation hole for performing opening and closing operations on the main shaft 401 is formed in the side wall of the cabinet chamber 2, an automatic shielding module 6 for shielding a through hole is arranged on the inner side wall of the movable door 3, the automatic shielding module 6 includes a fixed bottom plate 601 fixed on the inner side wall of the cabinet chamber 2, a movable plate 602 horizontally slidably arranged on the fixed bottom plate 601 through a T-shaped slide rail, and an elastic resetting module 603 for resetting the movable plate 602, a plurality of elastic resetting modules 603 can be provided, in this embodiment, one elastic resetting module 603 is provided, the elastic resetting module 603 includes a limiting part 6031, an elastic resetting part 6032 and a guide slide bar 6033, a first support plate 6011 and a second support plate 6021 are respectively arranged on one sides of the fixed bottom plate 601 and the movable plate 602 away from the movable door 3, the guide slide bar 6033 is fixed on the first support plate 1 along the sliding direction of the movable plate 601602, and a sliding hole for allowing the guide slide bar 6033 to pass through is arranged on the second support plate 6021, a guide slide bar 6033 passes through a slide hole to be fixedly connected with a limiting part 6031, the limiting part 6031 can limit the movable plate 602 to prevent the movable plate from being separated from the fixed bottom plate 601, the limiting part 6031 can be in threaded connection with the guide slide bar 6033 to facilitate disassembly and assembly, an elastic resetting part 6032 is sleeved on the guide slide bar 6033 between a first supporting plate 6011 and a second supporting plate 6021, the elastic resetting part 6032 is specifically a spring, the fixed bottom plate 601 and the movable plate 602 are respectively provided with a first through hole 6012 and a second through hole 6022 corresponding to the operating holes on the side wall of the cabinet chamber 2, the first through hole 6012 corresponds to the operating holes on the cabinet chamber 2, when the movable door 3 is opened, the movable plate 602 extends to the outside of the cabinet chamber 2 under the elastic action of an elastic resetting module 603, and the first through hole 6012 and the second through hole 6022 are mutually staggered, when the movable door 3 is closed, the movable plate 602 is pushed to retract into the cabinet chamber 2, the first through hole 6012 and the second through hole 6022 are overlapped, and only when the movable door 3 is closed, the opening operation can be performed, so that the safety is improved;

the inner side of the movable plate 602 is rotatably provided with a protective cover 604 for shielding the second through hole 6022 through a rotating shaft 606, the rotating shaft 606 is sleeved with a torsion spring 605 for automatically resetting the protective cover 604, the torsion spring 605 is respectively provided with a first free end 6051 and a second free end 6052, the first free end 6051 abuts against the movable plate 602, the second free end 6052 abuts against the top end of the protective cover 604, when an operating handle extends in for switching on and switching off, the protective cover 604 can be pushed to turn inwards, when the operating handle is taken out, the protective cover 604 resets under the elastic action of the torsion spring 605, the first through hole 6012 and the second through hole 6022 are shielded, and the sealing performance of the switch cabinet is improved;

the controller 7 is arranged inside the cabinet 2, the single chip microcomputer 701, the temperature and humidity sensor 702 and the wireless transmission module 703 are arranged inside the controller 7, the door opening and closing detection sensor 704 for detecting whether the movable door 3 is opened is further arranged inside the controller 7, the storage battery is further arranged inside the controller 7, power can be supplied to the controller 7 when the power is off, the single chip microcomputer 701 can be AT89S51 in model, the temperature and humidity sensor 702 can be RS-COS-03 in model, the wireless transmission module 703 can be EC200T in model, the door opening and closing detection sensor 704 can be CHV-25P in model, the temperature and humidity sensor 702 can detect the temperature and humidity conditions inside the cabinet 2, corresponding measures can be taken timely, danger is avoided, the door opening and closing detection sensor 704 can detect whether the movable door 3 is closed, when the earthing switch 4 is opened, the movable door 3 is not closed, detected signals can be transmitted to the terminal through the wireless transmission module 703, and the wireless transmission device is convenient for workers to check and manage.

The working principle is as follows: when the movable door 3 needs to be opened for maintenance, firstly, the operating handle is used to insert into the inside of the operating hole, the operating handle pushes the protective cover 604 to rotate around the rotating shaft 606, then the main shaft 401 is driven to rotate to close the switch, the main shaft 401 drives the gear 502 to rotate synchronously, then the rack 503 is driven to slide upwards, the positioning rod 504 is made to be separated from the inside of the positioning block 505, the movable door 3 can be opened, then the operating handle is pulled out, at the moment, the movable door 602 extends to the outside of the cabinet chamber 2 under the elastic action of the elastic resetting part 6032, the first through hole 6012 and the second through hole 6022 are dislocated, the operating hole is shielded, when the maintenance is finished, the movable door 3 is closed, the movable door 3 pushes the movable door 602 inwards, the elastic resetting part 6032 is compressed, the first through hole 6012 and the second through hole 6022 are overlapped, the operating handle can be used to pass through the operating hole, the first through hole 6012 and the second through hole 6022, and the main shaft 401 is driven to rotate to open the switch.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. High intelligent five of security prevent interlocking cubical switchboard, including the cabinet body (1), cabinet room (2), articulate dodge gate (3) and the ground connection switch (4) of setting in cabinet room (2) inside of terminal surface before cabinet room (2), install a main shaft (401) that are used for controlling it and carry out separating brake, combined floodgate on ground connection switch (4), its characterized in that: be provided with on main shaft (401) and carry out locking module (5) fixed to dodge gate (3) from inside, be provided with on the lateral wall of cabinet room (2) and be used for carrying out the handle hole of separating brake, combined floodgate operation to main shaft (401), be provided with on dodge gate (3) inside wall and be used for sheltering from automatic module (6) that shelters from to the through-hole, the inside of cabinet room (2) is provided with controller (7).

2. The intelligent five-prevention interlocking switch cabinet with high safety according to claim 1, characterized in that: the locking module (5) comprises an outer shell (501), a gear (502), a rack (503), a positioning rod (504) and a positioning block (505), the outer shell (501) is installed on one side of the interior of the cabinet chamber (2), the main shaft (401) extends to the interior of the outer shell (501), the gear (502) is fixed on the main shaft (401) of the interior of the outer shell (501), the rack (503) slides up and down to be arranged at one end, close to the movable door (3), of the outer shell (501), the rack (503) is meshed with the gear (502), the positioning rod (504) is fixed at the bottom end of the rack (503), the positioning block (505) is fixed on the inner side of the cabinet chamber (2), a positioning hole matched with the positioning rod (504) is arranged on the positioning block (505) in a penetrating mode, a through hole for accommodating the positioning block (505) to be inserted into the interior is arranged on the front end face of the outer shell (501), when the movable door (3) is closed, the positioning block (505) is inserted into the interior of the positioning block (505) to fix the movable door (3).

3. The intelligent five-prevention interlocking switch cabinet with high safety as claimed in claim 1, characterized in that: the automatic shielding module (6) comprises a fixed bottom plate (601) fixed on the inner side wall of the cabinet chamber (2), a movable plate (602) horizontally and slidably arranged on the fixed bottom plate (601) and an elastic resetting module (603) used for resetting the movable plate (602), wherein the fixed bottom plate (601) and the movable plate (602) are respectively provided with a first through hole (6012) and a second through hole (6022) corresponding to operation holes in the side wall of the cabinet chamber (2), when the movable door (3) is opened, the movable plate (602) extends to the outside of the cabinet chamber (2) under the elastic action of the elastic resetting module (603), the first through hole (6012) and the second through hole (6022) are staggered with each other, and when the movable door (3) is closed, the movable plate (602) is pushed to be retracted into the inside of the cabinet chamber (2), and the first through hole (6012) and the second through hole (6022) are overlapped.

4. The intelligent five-prevention interlocking switch cabinet with high safety according to claim 3, characterized in that: elasticity resets module (603) and includes locating part (6031), elasticity piece (6032) and direction slide bar (6033) that resets, PMKD (601) and fly leaf (602) keep away from one side of dodge gate (3) and are provided with first backup pad (6011) and second backup pad (6021) respectively, direction slide bar (6033) are fixed on first backup pad (6011) along the sliding direction of fly leaf (602), and run through on second backup pad (6021) and be provided with the sliding hole that holds direction slide bar (6033) and pass, direction slide bar (6033) pass sliding hole and locating part (6031) fixed connection, elasticity resets and cup joints on direction slide bar (6033) between first backup pad (6011) and second backup pad (6021).

5. The intelligent five-prevention interlocking switch cabinet with high safety according to claim 3, characterized in that: the inner side of the movable plate (602) is rotatably provided with a protective cover (604) used for shielding the second through hole (6022) through a rotating shaft (606), and the rotating shaft (606) is sleeved with a torsion spring (605) used for automatically resetting the protective cover (604).

6. The intelligent five-prevention interlocking switch cabinet with high safety as claimed in claim 1, characterized in that: the controller (7) is internally provided with a singlechip (701), a temperature and humidity sensor (702) and a wireless transmission module (703).

7. The intelligent five-prevention interlocking switch cabinet with high safety according to claim 6, characterized in that: and a door opening and closing detection sensor (704) for detecting whether the movable door (3) is opened or not is further arranged in the controller (7).

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