CN112234440A - Switch cabinet and operation method - Google Patents
Switch cabinet and operation method Download PDFInfo
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- CN112234440A CN112234440A CN202011097631.1A CN202011097631A CN112234440A CN 112234440 A CN112234440 A CN 112234440A CN 202011097631 A CN202011097631 A CN 202011097631A CN 112234440 A CN112234440 A CN 112234440A
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- Prior art keywords
- connecting pipe
- conductive
- cable
- bolt
- hole
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/205—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards for connecting electrical apparatus mounted side by side on a rail
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Abstract
The application provides a switch cabinet and an operation method, wherein a plurality of cable connectors are arranged in the switch cabinet and comprise a plurality of conductive connecting rods, and the plurality of conductive connecting rods are respectively in one-to-one correspondence with the plurality of cable connectors; the lower end of the conductive connecting rod is provided with a cable connector, the upper end of the conductive connecting rod is provided with a conductive connector electrically connected with the cable connector, the door of the switch cabinet is provided with a long groove, the conductive connecting rod is provided with a driving part, and the driving part penetrates through the long groove and extends out of the door of the switch cabinet; the bottom of the switch cabinet door is provided with a plurality of grounding contacts; the driving part drives the conductive connecting rod to move up and down, and the conductive connecting rod is provided with a safety locking mechanism. The application provides a cubical switchboard and operating method need not to open the cabinet door, just can realize the break-make of cable, can realize the break-make of single cable respectively, perhaps realizes the break-make of a plurality of cables simultaneously, security when can improving the experiment.
Description
Technical Field
The application relates to the technical field of switch cabinets, in particular to a switch cabinet and an operation method.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, and also high-voltage chamber and low-voltage chamber switch cabinets, high-voltage buses, such as power plants, and the like, and low-frequency load reducers for protecting main equipment.
The switch cabinet needs to be subjected to a voltage withstand test in the operation process, and when the voltage withstand test is carried out, the cable in the switch cabinet needs to be subjected to power-off treatment. Among the prior art, be equipped with a plurality of cable joint side by side in the cubical switchboard, be equipped with a cable power off switch on every cable joint, cable power off switch sets up inside the cubical switchboard, just can cut off the power supply with the cable after need opening the cabinet door, a plurality of cable switch need operate disconnection or the connection that just can realize a plurality of cable joint respectively, break-make when can not realize a plurality of cables, because the inside multiple electrified part that is equipped with of cubical switchboard, direct outage causes the electric shock danger easily in the cubical switchboard, and simultaneously, when carrying out withstand voltage test, can not ensure that the cable is in the power-off state all the time, cable power off switch is last not to set up safety locking mechanism, the potential safety hazard still exists.
Disclosure of Invention
To the problem that exists among the prior art, this application provides a cubical switchboard and operating method to reach and need not to open the cabinet door, just can realize the break-make of cable, become operation work by contact work, can realize the break-make of single cable respectively, perhaps realize a plurality of cables break-make simultaneously, have the shutting function, the beneficial effect of the security when improving the experiment.
The application provides a switch cabinet, wherein a plurality of cable connectors are arranged in the switch cabinet and comprise a plurality of conductive connecting rods, the conductive connecting rods are arranged below the cable connectors, and the plurality of conductive connecting rods are in one-to-one correspondence with the plurality of cable connectors respectively; the lower end of the conductive connecting rod is provided with a cable connector, the upper end of the conductive connecting rod is provided with a conductive connector electrically connected with the cable connector, and the door of the switch cabinet is provided with a long groove which extends along the height direction of the door of the switch cabinet; the conductive connecting rod is provided with a driving part, and the driving part penetrates through the long groove and extends out of the switch cabinet door; the bottom of the switch cabinet door is provided with a plurality of grounding contacts which correspond to the conductive connecting rods one by one; the driving part drives the conductive connecting rod to move up and down to respectively realize the connection or disconnection of the cable connector, the cable connector and the grounding contact, and the conductive connecting rod is provided with a safety locking mechanism.
Furthermore, the conductive connecting rod comprises a first connecting pipe and a second connecting pipe which are connected in a sliding manner, the second connecting pipe is arranged in the first connecting pipe, the first connecting pipe and the second connecting pipe are conductive, and an insulating layer is arranged on the outer side wall of the first connecting pipe; the second connecting pipe is provided with a bayonet lock, a connecting spring and a through hole, the first connecting pipe is provided with a clamping hole matched with the bayonet lock, one end of the bayonet lock is connected with the inner side wall of the second connecting pipe through the connecting spring, and the other end of the bayonet lock sequentially penetrates through the through hole and the clamping hole and then extends out of the first connecting pipe; the first connecting pipe is provided with a press switch used for popping up the second connecting pipe; the upper end of the first connecting pipe is provided with an insulating sealing cover, and the sealing cover is detachably connected with the first connecting pipe.
Further, drive unit includes the actuating lever, the axis of the first connecting pipe of actuating lever perpendicular to, actuating lever and rectangular groove sliding connection, the one end of actuating lever is passed long rectangular groove and is linked to each other with the second connecting pipe, the other end of actuating lever stretches out outside the switch door and is equipped with the first in command.
Further, the length of the second connecting pipe is smaller than that of the first connecting pipe; when the driving rod is positioned at the upper end of the long groove, the clamping pin is separated from the through hole and the clamping hole, and the conductive connector is electrically connected with the cable connector; when the driving rod is positioned in the middle of the long groove, the bayonet lock penetrates through the through hole and the bayonet hole, and the second connecting pipe is positioned in the pipe cavity of the first connecting pipe; when the driving rod is positioned at the lower end of the long groove, the clamping pin is separated from the through hole and the clamping hole, and the second connecting pipe is electrically connected with the grounding contact.
Further, the conductive connector is arranged at the top of the second connecting pipe; the cable joint is characterized in that a plurality of bulges are uniformly distributed on the outer side wall of the cable joint, grooves matched with the bulges are formed in the inner side wall of the conductive connector, and the conductive connector is spliced with the cable joint.
Furthermore, the press switch comprises a sleeve and a guide rod arranged in the sleeve, the guide rod is connected with the sleeve in a sliding mode, the sleeve is arranged at the clamping hole, one end of the guide rod penetrates through the sleeve and points to the clamping hole, and the other end of the guide rod penetrates through the sleeve and extends out of the switch cabinet door and is provided with a second handle; be equipped with reset spring between sleeve pipe and the guide bar, reset spring's one end links to each other with sheathed tube inside wall, and reset sleeve pipe's the other end links to each other with the lateral wall of guide bar.
Furthermore, a plurality of the first handles are connected through a connecting rod, and the connecting rod is detachably connected with the first handles.
Furthermore, the safety locking mechanism comprises a safety switch bolt component, the safety switch bolt component comprises a first bolt, a second bolt, a third bolt and a fourth bolt, the first bolt is inserted in the cable connector, the second bolt and the third bolt are inserted in the first connecting pipe at intervals, and the fourth bolt is inserted in the grounding contact; positioning holes matched with the safety switch bolt component are respectively formed in the cable connector, the first connecting pipe, the second connecting pipe and the grounding contact; when the second connecting pipe is connected with the grounding contact, the third bolt sequentially penetrates through the positioning holes in the first connecting pipe and the second connecting pipe, and the fourth bolt sequentially penetrates through the positioning holes in the second connecting pipe and the grounding contact; when the second connecting pipe is arranged in the first connecting pipe, the second bolt and the third bolt respectively penetrate through the positioning holes in the first connecting pipe and the second connecting pipe in sequence; when the second connecting pipe is connected with the cable joint, the first bolt sequentially penetrates through the positioning holes in the first connecting pipe and the cable joint, and the second bolt sequentially penetrates through the positioning holes in the first connecting pipe and the second connecting pipe.
Further, the safety lockout mechanism includes a controller, a first displacement sensor, a second displacement sensor, a first lockout member, a second lockout member, a third lockout member, and a fourth lockout member; the structure of the first locking piece, the second locking piece, the third locking piece and the fourth locking piece is the same, the first locking piece comprises an upper control part, a lower control part, an upper clamping tooth and a lower clamping tooth, and the upper control part, the lower control part, the first displacement sensor and the second displacement sensor are respectively electrically connected with the controller; the first displacement sensor is arranged on the cable connector, and the second displacement sensor is arranged on the grounding contact; a first protection frame is arranged on the outer side of the cable joint, and an upper control part and a lower control part of the first locking part are arranged on the inner side wall of the first protection frame; the upper control part and the lower control part of the second locking part and the third locking part are arranged on the inner side wall of the first connecting pipe at intervals, a second protective frame is arranged on the outer side of the grounding contact, and the upper control part and the lower control part of the fourth locking part are arranged on the inner side wall of the second protective frame; the lateral wall of the second connecting pipe is provided with a rack, the rack extends along the height direction of the second connecting pipe, one end of the upper clamping tooth is connected with one end of the lower clamping tooth in a rotating mode, the upper clamping tooth and the lower clamping tooth form a V shape, the upper clamping tooth and the lower clamping tooth are respectively meshed with the rack, the upper control portion drives the upper clamping tooth to rotate through the first connecting piece, and the lower control portion drives the lower clamping tooth to rotate through the second connecting piece.
A method of operating a switchgear comprising the steps of:
the method comprises the following steps: when the second connecting pipe moves to the uppermost end, after the conductive connector is electrically communicated with the cable joint, the first displacement sensor sends the detected signal to the controller, and after the controller receives the signal, the controller locks and fixes the upper clamping tooth and the lower clamping tooth on the first locking piece and the second locking piece with the rack respectively by controlling the upper control part and the lower control part on the first locking piece and the second locking piece, so that the locking function is realized. When the conductive connector is communicated with the cable connector, the upper clamping teeth and the lower clamping teeth on the first locking piece and the second locking piece are respectively meshed with the rack, so that the conductive connector and the cable connector can be prevented from being separated, the conductive connector and the cable connector can be always in a conductive state, namely the cable connector and the cable connector are communicated and conductive, and the switch cabinet is in a normal working state and cannot be subjected to a withstand voltage test;
step two: when a voltage withstand test needs to be carried out, the controller controls the upper clamping teeth on the first locking piece and the second locking piece to respectively rotate upwards to enable the upper clamping teeth to be separated from the rack, the first handle is held by a hand to move downwards, when the driving rod is positioned in the middle of the long strip groove, the clamping pins penetrate through the through holes and the clamping holes to be clamped, the second connecting pipe is positioned in the pipe cavity of the first connecting pipe, the second connecting pipe and the first connecting pipe are relatively fixed, at the moment, the controller controls the upper clamping teeth and the lower clamping teeth on the second locking piece and the third locking piece to be respectively meshed with the rack, the position between the first connecting pipe and the second connecting pipe can be relatively fixed, at the moment, the conductive connector is disconnected with the cable connector, the inside of the switch cabinet is in a power-off state;
step three: after withstand voltage test, when needing to resume normal on-state, promote the guide bar right, break away from through-hole and card hole with the bayonet lock, hold the first in command rebound, move to the top when the second connecting pipe, conductive connector and cable joint electrically conductive intercommunication back, signal transmission to controller that first displacement sensor will detect, after the controller received the signal, through last control part and lower control part on controlling first latch and the second latch, it is fixed with the rack locking respectively with last joint tooth on the two with lower joint tooth, play the function of shutting. When the conductive connector is communicated with the cable connector, the upper clamping teeth and the lower clamping teeth on the first locking piece and the second locking piece are respectively meshed with the rack at the moment, so that the first locking piece and the second locking piece can be prevented from being separated, the conductive connector and the cable connector can be always in a conductive state, namely the cable connector is communicated with the cable connector for conduction, and the switch cabinet is in a normal working state at the moment;
step four: after the withstand voltage test is finished, when grounding is needed, the controller controls the upper clamping teeth on the second locking part and the third locking part to rotate upwards respectively, so that the upper clamping teeth are separated from the rack, the first handle is continuously moved downwards, when the driving rod is positioned at the lower end of the long groove, the clamping pin is separated from the through hole and the clamping hole, the second connecting pipe is electrically connected with the grounding contact, at the moment, the second displacement sensor senses the position of the second connecting pipe, signals are sent to the controller, after the controller receives the signals, the controller controls the upper clamping teeth and the lower clamping teeth on the third locking part and the fourth locking part to be respectively meshed with the rack, the second connecting pipe and the grounding contact are always communicated, the grounding state of the cable is realized, and the protective effect is realized. The reciprocating circulation operation is carried out according to the mode.
The beneficial effect of this application lies in:
the application provides a cubical switchboard, including electrically conductive connecting rod, be equipped with the driver part who is used for the electrically conductive connecting rod up-and-down motion of drive on the electrically conductive connecting rod, be equipped with rectangular groove on the cubical switchboard door, driver part passes rectangular groove and stretches out to the cubical switchboard door outside. In the actual working process, the conductive connecting rod can be driven to move upwards by moving the driving part upwards under the condition that the door of the switch cabinet is not required to be opened, so that the connector at the upper end of the conductive connecting rod is electrically connected with the cable connector, and the connection of a cable is realized; the driving part is moved downwards to drive the conductive connecting rod to move downwards, so that the connector at the upper end of the conductive connecting rod is electrically disconnected with the cable connector, and the power failure of the cable is realized. The driving parts on the plurality of cable joints are connected through the connecting rod, and the connecting rod is moved up and down, so that the plurality of cables can be simultaneously electrified and powered off; because the connecting rod is detachably connected with the driving part, the electrification and the outage of each cable can be respectively realized. The application provides a cubical switchboard and operating method need not to open the cabinet door, just can realize the break-make of cable, becomes operation work by contact work, can realize the break-make of single cable respectively, perhaps realizes the break-make of a plurality of cables simultaneously, has the shutting function, improves the beneficial effect of the security during the experiment. This application is through setting up safe blocked mechanical system, can be respectively to when experimental state, when the circular telegram with carry out the shutting when ground connection, improved the security performance of work.
In addition, the design principle of the application is reliable, the structure is simple, and the application prospect is very wide.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic front view of a switch cabinet in an embodiment of the present application when a cable is not powered.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a schematic front view of a switch cabinet when a plurality of cables are simultaneously powered on according to an embodiment of the present application.
Fig. 4 is a side view of fig. 3.
Fig. 5 is a schematic view of a connection structure of a first connection pipe and a second connection pipe when a cable is electrified according to an embodiment of the present application.
Fig. 6 is a schematic diagram of a connection structure of a first connection pipe and a second connection pipe when the first connection pipe is grounded according to an embodiment of the present application.
Fig. 7 is a schematic view of a connection structure of a guide bar and a sleeve according to an embodiment of the present application.
Fig. 8 is a schematic front view of a switch cabinet when a cable is powered on according to an embodiment of the present application.
Fig. 9 is a schematic sectional structure view of a switch cabinet when the switch cabinet is grounded according to an embodiment of the present application.
Fig. 10 is a schematic sectional structural view of a switch cabinet in a withstand voltage test according to an embodiment of the present application.
Fig. 11 is a schematic sectional view of the switch cabinet when the switch cabinet is powered on in one embodiment of the present application.
Fig. 12 is a schematic view of an embodiment of the present application with the upper latch teeth disengaged from the rack.
FIG. 13 is a schematic view of the lower clamping teeth disengaged from the rack in one embodiment of the present application.
Fig. 14 is a schematic sectional view of a switch cabinet in grounding according to an embodiment of the present application.
In the figures, 1, a cable connector, 2, a guide rod, 3, a switch cabinet door, 4, a long groove, 5, a cable connector, 6, a first connecting pipe, 7, a second connecting pipe, 8, a clamping pin, 9, a clamping hole, 10, a conductive connector, 11, a driving rod, 12, a first handle, 13, a sleeve, 14, a second handle, 15, a reset spring, 16, a connecting rod, 17, a connecting spring, 18, a grounding contact, 19, a sealing cover, 20, a positioning hole, 21, a first bolt, 22, a second bolt, 23, a third bolt, 24, a fourth bolt, 25, a first displacement sensor, 26, a second displacement sensor, 27, a first locking piece, 28, a second locking piece, 29, a third locking piece, 30, a fourth locking piece, 31, an upper control part, 32, a lower control part, 33, an upper locking tooth, 34, a lower locking tooth, 35, a first protection frame, 36 and a second protection frame, 37. rack, 38, first connector, 39, second connector.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The following explains key terms appearing in the present application.
Example one
As shown in fig. 1-2 and 7-13, in the switch cabinet provided by the present application, three cable connectors 1 are provided in the switch cabinet, and each cable connector 1 includes three conductive connecting rods, the conductive connecting rods are provided right below the cable connectors 1, and the three conductive connecting rods respectively correspond to the three cable connectors 1 one by one up and down; the lower extreme of electrically conductive connecting rod is equipped with cable conductor joint 5, and cable conductor joint 5's right side is connected with the cable conductor, and it is electrically conductive between cable conductor joint 5 and the electrically conductive connecting rod. The upper end of the conductive connecting rod is provided with a conductive connector 10 electrically connected with the cable connector 1. In order to display the position of a cable connector in the switch cabinet, the switch cabinet door is regarded as transparent.
Specifically, the equipartition has a plurality of archs on cable joint 1's the lateral wall, be equipped with on the inside wall of conductive connector 10 with protruding assorted recess, conductive connector 10 pegs graft with cable joint 1, through setting up arch and recess, can increase cable joint 1 and conductive connector 10's area of contact, can improve electric conductive property between the two.
A long groove 4 is arranged on one side of the switch cabinet door 3, and the long groove 4 extends along the height direction of the switch cabinet door 3; the conductive connecting rod is provided with a driving part, and the driving part penetrates through the long groove 4 and extends out of the switch cabinet door 3; the bottom of the switch cabinet door 3 is provided with a plurality of grounding contacts 18 which are in one-to-one correspondence with the conductive connecting rods; the hand-held driving component moves up and down along the long strip groove 4, and can drive the conductive connecting rod to move up and down. When the driving part is positioned at the uppermost end of the long groove 4, the cable joint 5 is communicated with the cable joint 1 to realize the electrification of the cable; when the driving part is positioned at the lowest end position of the long groove 4, the cable connector 5 is communicated with the grounding contact 18 to realize the grounding of the cable; when the driving part is in the middle position of the long groove 4, the cable connector 5 is disconnected from the cable connector 1 and the grounding contact 18 respectively, and at the moment, the environment in the switch cabinet meets the test requirements.
Electrically conductive connecting rod includes sliding connection's first connecting pipe 6 and second connecting pipe 7, and second connecting pipe 7 sets up in first connecting pipe 6, and first connecting pipe 6 and second connecting pipe 7 are electrically conductive between the two, be equipped with the insulating layer on the lateral wall of first connecting pipe 6, in this application, the position that all personnel need the operation to contact all has insulating nature, and the insulating position is no longer described in detail herein. The second connecting pipe 7 is provided with a bayonet 8, a connecting spring 17 and a through hole, the first connecting pipe 6 is provided with a clamping hole 9 matched with the bayonet 8, one end of the bayonet 8 is connected with the inner side wall of the second connecting pipe 7 through the connecting spring 17, and when the connecting spring 17 is in an unstressed state, the other end of the bayonet 8 sequentially penetrates through the through hole and the clamping hole 9 and then extends out of the first connecting pipe 6; a press switch for ejecting the second connecting pipe 7 is arranged on the first connecting pipe 6; an insulating sealing cover 19 is arranged at the upper end of the first connecting pipe 6, the sealing cover 19 is detachably connected with the first connecting pipe 6, and when the second connecting pipe 7 is arranged inside the first connecting pipe 6, the sealing cover 19 is covered at the upper end of the first connecting pipe 6 to avoid electric conduction.
Drive arrangement includes actuating lever 11, the axis of the first connecting pipe 6 of 11 perpendicular to of actuating lever, sliding connection about rectangular groove 4 can be followed to actuating lever 11, the one end of actuating lever 11 is passed long rectangular groove 4 and with the lateral wall fixed connection of second connecting pipe 7, the other end of actuating lever 11 stretches out to the switch outdoors and is equipped with the first in command 12, holds handle 12 and reciprocates along rectangular groove 4, can drive second connecting pipe 7 and reciprocate along the inside wall of first connecting pipe 6.
The conductive connector 10 is arranged at the top of the second connecting pipe 7, and the length of the second connecting pipe 7 is smaller than that of the first connecting pipe 6; when the first handle 12 is held by hand and moves upwards along the long strip groove, the bayonet 8 is separated from the through hole and the bayonet hole 9, when the driving rod 11 is positioned at the upper end of the long strip groove 4, the conductive connector 10 wraps the cable connector 1 and is electrically connected with the cable connector 1, at the moment, the cable is connected, the switch cabinet is in a power-on state, and a withstand voltage test cannot be carried out; then, the first handle 12 is held by hand to move downwards, when the driving rod 11 is positioned in the middle of the long groove 4, the bayonet 8 penetrates through the through hole and the bayonet hole 9 to be clamped, the second connecting pipe 7 is positioned in the pipe cavity of the first connecting pipe 6, the first connecting pipe and the second connecting pipe are relatively fixed, at the moment, the switch cabinet is in a power-off state, and at the moment, a pressure resistance test can be carried out; when the driving rod 11 is positioned at the lower end of the long groove 4, the bayonet 8 is separated from the through hole and the bayonet hole 9, the second connecting pipe 7 is electrically connected with the grounding contact 18, and at the moment, the grounding of the cable is in a grounding state, so that the protection effect is achieved.
The push switch comprises a sleeve 13 and a guide rod 2 arranged in the sleeve 13, the guide rod 2 is connected with the sleeve 13 in a sliding mode, and one end of the sleeve 13 is fixed on the outer side wall of the first connecting pipe 6. The sleeve 13 is arranged at the clamping hole 9, one end of the guide rod 2 penetrates through the sleeve 13 and points to the clamping hole 9, and the other end of the guide rod 2 penetrates through the sleeve 13 and extends out of the switch cabinet door 3 and is provided with a second handle 14; be equipped with reset spring 15 between sleeve pipe 13 and the guide bar 2, reset spring 15's one end links to each other with the inside wall of sleeve pipe 13, and reset sleeve pipe 13's the other end links to each other with the lateral wall of guide bar 2. Reset spring 15 is under the unstressed state, the directional card hole 9 of right-hand member of guide bar 2, hold second handle 14 along sleeve pipe 13 when pushing to the right side, the right-hand member of guide bar 2 passes card hole 9, continue to promote guide bar 2, the right-hand member of guide bar 2 can contact bayonet lock 8, and drive bayonet lock 8 and move right, make bayonet lock 8 break away from through-hole and card hole 9, at this moment, no longer relatively fixed between first connecting pipe 6 and the second connecting pipe 7, second connecting pipe 7 can slide from top to bottom relative to first connecting pipe 6.
In the actual operation process, the first handles 12 on the three conductive connecting rods are respectively moved, so that the three can be respectively powered on or powered off. In order to realize simultaneous electrification or outage of the three, the middle connecting rods 16 are arranged among the three first handles 12, the middle connecting rods 16 are detachably connected with the first handles 12, and when the middle connecting rods 16 are moved, the three conductive connecting rods can be electrified or interrupted simultaneously.
And a safety locking mechanism is arranged on the conductive connecting rod. In the present embodiment, the safety lockout mechanism includes a controller, a first displacement sensor 25, a second displacement sensor 26, a first lockout member 27, a second lockout member 28, a third lockout member 29, and a fourth lockout member 30; the first locking member 27, the second locking member 28, the third locking member 29 and the fourth locking member 30 are identical in structure, the first locking member 27 comprises an upper control part 31, a lower control part 32, an upper clamping tooth 33 and a lower clamping tooth 34, and the upper control part 31, the lower control part 32, the first displacement sensor 25 and the second displacement sensor 26 are respectively electrically connected with the controller; a first displacement sensor 25 is arranged on the cable connector 1, and a second displacement sensor 26 is arranged on the ground contact 18; a first protection frame 35 is arranged on the outer side of the cable joint 1, and an upper control part and a lower control part of the first locking piece 27 are arranged on the inner side wall of the first protection frame 35; the upper control part and the lower control part of the second locking part 28 and the third locking part 29 are arranged on the inner side wall of the first connecting pipe 6 at intervals, the outer side of the grounding contact 18 is provided with a second protective frame 36, and the upper control part and the lower control part of the fourth locking part 30 are arranged on the inner side wall of the second protective frame 36; be equipped with rack 37 on the lateral wall of second connecting pipe 7, rack 37 extends along the direction of height of second connecting pipe 7, go up the one end of joint tooth 33 and rotate through the pivot with the one end of joint tooth 34 down and be connected, go up joint tooth 33 and joint tooth 34V type down, go up joint tooth 33 and joint tooth 34 down and mesh with rack 37 respectively, go up control portion 31 and pass through first connecting piece 38 drive and go up joint tooth 33 and rotate, lower control portion 32 passes through second connecting piece 39 drive joint tooth 34 down and rotates. The upper and lower catching teeth 33 and 34 serve to limit the direction in which the second coupling pipe 7 moves.
Specifically, the upper control part 31 and the lower control part 32 have the same structure, and both adopt an electric contraction rod structure. The first connecting member 38 and the second connecting member 39 are identical in structure, and both have a rod-like structure having elasticity. The upper control part 31, the lower control part 32, the first displacement sensor 25 and the second displacement sensor 26 are respectively electrically connected with the controller; the first and second displacement sensors 25 and 26 are used to sense the position of the second connection pipe 7, respectively.
As shown in fig. 12 and 13, the controller controls the upper control section 31 and the lower control section 32, respectively. The upper control part 31 can control the contraction of the first connecting piece 38, so as to drive the upper clamping teeth 33 to rotate, so that the upper clamping teeth 33 are separated from the rack 37, and the second connecting pipe 7 can move downwards along the inner side wall of the first connecting pipe 6; the lower control portion 32 can control the contraction of the second connecting member 39, so as to drive the lower clamping teeth 34 to rotate, so that the lower clamping teeth 34 are separated from the rack 37, and the second connecting pipe 7 can move upwards along the inner side wall of the first connecting pipe 6.
In the actual operation process, when the second connection pipe 7 moves to the uppermost end, and the conductive connector 10 is conductively communicated with the cable connector 1, the first displacement sensor 25 sends the detected signal to the controller, and after the controller receives the signal, the controller controls the upper control part and the lower control part on the first locking part 27 and the second locking part 28 to lock and fix the upper clamping tooth 33 and the lower clamping tooth 34 on the first locking part and the second locking part with the rack 37 respectively, so as to perform the locking function. When the conductive connector 10 is communicated with the cable connector 1, the upper clamping teeth 33 and the lower clamping teeth 34 on the first locking part 27 and the second locking part 28 are respectively meshed with the rack 37, so that the separation between the upper clamping teeth and the lower clamping teeth can be avoided, the conductive connector 10 and the cable connector 1 can be always in a conductive state, namely the cable connector 5 and the cable connector 1 are communicated and conducted, and the switch cabinet is in a normal working state at the moment and cannot be subjected to a withstand voltage test.
When a voltage withstand test needs to be performed, the controller controls the upper clamping teeth 33 on the first locking part 27 and the second locking part 28 to respectively rotate upwards, so that the upper clamping teeth 33 are separated from the rack 37, the first handle 12 is held by a hand to move downwards, when the driving rod 11 is located in the middle of the long groove 4, the clamping pin 8 passes through the through hole and the clamping hole 9 to be clamped, the second connecting pipe 7 is located in the pipe cavity of the first connecting pipe 6, the second connecting pipe 7 is fixed relative to the first connecting pipe 6, at the moment, the controller controls the upper clamping teeth 33 and the lower clamping teeth 34 on the second locking part 28 and the third locking part 29 to be respectively meshed with the rack 37, the position between the first connecting pipe 6 and the second connecting pipe 7 can be ensured to be relatively fixed, at the moment, the conductive connector 10 is disconnected from the cable connector 1, and the inside of the switch cabinet is in a power-off state.
After withstand voltage test, when needing to resume to normal on-state, promote guide bar 2 right, break away from bayonet lock 8 through-hole and card hole 9, hold first in command 12 rebound, move to the top when second connecting pipe 7, conductive connector 10 and cable joint 1 electrically conduct the back, first displacement sensor 25 sends the signal that detects to the controller, after the signal was received to the controller, through last control part and lower control part on controlling first latch 27 and the second latch 28, it is fixed with rack 37 to lock respectively with last joint tooth 33 and lower joint tooth 34 on the two, play the function of shutting. When the conductive connector 10 is communicated with the cable connector 1, the upper clamping teeth 33 and the lower clamping teeth 34 on the first locking part 27 and the second locking part 28 are respectively meshed with the rack 37, so that the separation between the two parts can be avoided, the conductive connector 10 and the cable connector 1 can be always in a conductive state, namely the cable connector 5 and the cable connector 1 are communicated and are conductive, and the switch cabinet is in a normal working state at the moment.
After the withstand voltage test is finished and grounding is needed, the controller controls the upper clamping teeth 33 on the second locking part 28 and the third locking part 29 to rotate upwards respectively, so that the upper clamping teeth 33 are separated from the rack 37, the first handle 12 is moved downwards continuously, when the driving rod 11 is positioned at the lower end of the long groove 4, the clamping pin 8 is separated from the through hole and the clamping hole 9, the second connecting pipe 7 is electrically connected with the grounding contact 18, at the moment, the second displacement sensor 26 senses the position of the second connecting pipe 7 and sends a signal to the controller, and after receiving the signal, the controller controls the upper clamping teeth 33 and the lower clamping teeth 34 on the third locking part 29 and the fourth locking part 30 to be meshed with the rack 37 respectively, so that the second connecting pipe 7 and the grounding contact 18 can be ensured to be communicated all the time, and the grounding of a cable is in a grounding state, and a protection effect is achieved. The reciprocating circulation operation is carried out according to the mode.
Example two
As shown in fig. 14, in order to solve the above problem, the inventor modifies the safety locking mechanism on the basis of the first embodiment as follows: the safety locking mechanism comprises a safety switch bolt component, the safety switch bolt component comprises a first bolt 21, a second bolt 22, a third bolt 23 and a fourth bolt 24, the first bolt 21 is inserted in the cable connector 1, the second bolt 22 and the third bolt 23 are inserted in the first connecting pipe 6 at intervals, and the fourth bolt 24 is inserted in the ground contact 18; positioning holes 20 matched with the safety switch bolt assembly are respectively arranged on the cable connector 1, the first connecting pipe 6, the second connecting pipe 7 and the grounding contact 18.
In this embodiment, the functions and operations of the controller, the first displacement sensor 25 and the second displacement sensor 26 are the same as those in the first embodiment, and are not described again here.
In practical operation, when the second connecting pipe 7 is connected with the ground contact 18, the third pin 23 sequentially passes through the positioning holes 20 on the first connecting pipe 6 and the second connecting pipe 7, and the fourth pin 24 sequentially passes through the positioning holes 20 on the second connecting pipe 7 and the ground contact 18, so that the second connecting pipe 7 and the ground contact 18 can be ensured to be in a communicated state; when the second connecting pipe 7 is arranged inside the first connecting pipe 6, the second bolt 22 and the third bolt 23 respectively penetrate through the positioning holes 20 on the first connecting pipe 6 and the second connecting pipe 7 in sequence, at the moment, the switch cabinet is not electrified, and a withstand voltage test can be carried out; when the second connecting pipe 7 is connected with the cable joint 1, the first bolt 21 sequentially penetrates through the first connecting pipe 6 and the positioning hole 20 on the cable joint 1, the second bolt 22 sequentially penetrates through the first connecting pipe 6 and the positioning hole 20 on the second connecting pipe 7, at this time, the conductive connector 10 is communicated with the cable joint 1, the switch cabinet is powered on, the switch cabinet is in a normal working state, and a withstand voltage test cannot be carried out.
The application provides a cubical switchboard, including electrically conductive connecting rod, be equipped with the driver part who is used for the electrically conductive connecting rod up-and-down motion of drive on the electrically conductive connecting rod, be equipped with rectangular groove on the cubical switchboard door, driver part passes rectangular groove and stretches out to the cubical switchboard door outside. In the actual working process, the conductive connecting rod can be driven to move upwards by moving the driving part upwards under the condition that the door of the switch cabinet is not required to be opened, so that the connector at the upper end of the conductive connecting rod is electrically connected with the cable connector, and the connection of a cable is realized; the driving part is moved downwards to drive the conductive connecting rod to move downwards, so that the connector at the upper end of the conductive connecting rod is electrically disconnected with the cable connector, and the power failure of the cable is realized. The driving parts on the plurality of cable joints are connected through the connecting rod, and the connecting rod is moved up and down, so that the plurality of cables can be simultaneously electrified and powered off; because the connecting rod is detachably connected with the driving part, the electrification and the outage of each cable can be respectively realized. The application provides a cubical switchboard need not to open the cabinet door, just can realize the break-make of cable, can realize the break-make of single cable respectively, perhaps realizes the break-make simultaneously of a plurality of cables, has improved the security of work, has improved work efficiency. This application is through setting up safe blocked mechanical system, can be respectively to when experimental state, when the circular telegram with carry out the shutting when ground connection, improved the security performance of work.
Although the present application has been described in detail with reference to the accompanying drawings in conjunction with the preferred embodiments, the present application is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present application by those skilled in the art without departing from the spirit and scope of the present application, and these modifications or substitutions are intended to be covered by the present application/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a cubical switchboard is equipped with a plurality of cable joint (1) in the cubical switchboard, its characterized in that: the cable connector comprises a plurality of conductive connecting rods, wherein the conductive connecting rods are arranged below cable connectors (1), and the plurality of conductive connecting rods are respectively in one-to-one correspondence with the plurality of cable connectors (1); a cable connector (5) is arranged at the lower end of the conductive connecting rod, a conductive connector (10) electrically connected with the cable connector (1) is arranged at the upper end of the conductive connecting rod, a long groove (4) is arranged on the switch cabinet door (3), and the long groove (4) extends along the height direction of the switch cabinet door; the conductive connecting rod is provided with a driving part, and the driving part penetrates through the long groove (4) and extends out of the switch cabinet door (3); the bottom of the switch cabinet door (3) is provided with a plurality of grounding contacts (18) which correspond to the conductive connecting rods one by one; the driving part drives the conductive connecting rod to move up and down to respectively realize the connection or disconnection of the cable connector (5), the cable connector (1) and the grounding contact (18), and the conductive connecting rod is provided with a safety locking mechanism.
2. The switchgear cabinet according to claim 1, characterized in that: the conductive connecting rod comprises a first connecting pipe (6) and a second connecting pipe (7) which are connected in a sliding mode, the second connecting pipe (7) is arranged in the first connecting pipe (6), the first connecting pipe (6) and the second connecting pipe (7) conduct electricity, and an insulating layer is arranged on the outer side wall of the first connecting pipe (6); the second connecting pipe (7) is provided with a bayonet lock (8), a connecting spring (17) and a through hole, the first connecting pipe (6) is provided with a clamping hole (9) matched with the bayonet lock (8), one end of the bayonet lock (8) is connected with the inner side wall of the second connecting pipe (7) through the connecting spring (17), and the other end of the bayonet lock (8) sequentially penetrates through the through hole and the clamping hole (9) and then extends out of the first connecting pipe (6); a press switch used for ejecting the second connecting pipe (7) is arranged on the first connecting pipe (6); the upper end of the first connecting pipe (6) is provided with an insulating sealing cover (19), and the sealing cover (19) is detachably connected with the first connecting pipe (6).
3. The switchgear cabinet according to claim 2, characterized in that: the drive part comprises a drive rod (11), the drive rod (11) is perpendicular to the axis of the first connecting pipe (6), the drive rod (11) is connected with the strip groove (4) in a sliding mode, one end of the drive rod (11) penetrates through the strip groove (4) and is connected with the second connecting pipe (7), and the other end of the drive rod (11) extends out of the switch door and is provided with a first handle (12).
4. A switchgear cabinet according to claim 3, characterized in that: the length of the second connecting pipe (7) is less than that of the first connecting pipe (6); when the driving rod (11) is positioned at the upper end of the long groove (4), the bayonet lock (8) is separated from the through hole and the bayonet hole (9), and the conductive connector (10) is electrically connected with the cable connector (1); when the driving rod (11) is positioned in the middle of the long groove (4), the bayonet pin (8) penetrates through the through hole and the bayonet hole (9), and the second connecting pipe (7) is positioned in the pipe cavity of the first connecting pipe (6); when the driving rod (11) is positioned at the lower end of the long groove (4), the clamping pin (8) is separated from the through hole and the clamping hole (9), and the second connecting pipe (7) is electrically connected with the grounding contact (18).
5. The switchgear cabinet according to claim 2, characterized in that: the conductive connector (10) is arranged at the top of the second connecting pipe (7); the cable joint is characterized in that a plurality of bulges are uniformly distributed on the outer side wall of the cable joint (1), grooves matched with the bulges are formed in the inner side wall of the conductive connector (10), and the conductive connector (10) is spliced with the cable joint (1).
6. The switchgear cabinet according to claim 2, characterized in that: the push switch comprises a sleeve (13) and a guide rod (2) arranged in the sleeve (13), the guide rod (2) is connected with the sleeve (13) in a sliding mode, the sleeve (13) is arranged at the clamping hole (9), one end of the guide rod (2) penetrates through the sleeve (13) and points to the clamping hole (9), and the other end of the guide rod (2) penetrates through the sleeve (13) to extend out of the switch cabinet door and is provided with a second handle (14); be equipped with reset spring (15) between sleeve pipe (13) and guide bar (2), reset spring (15)'s one end links to each other with the inside wall of sleeve pipe (13), and the other end of reset sleeve pipe (13) links to each other with the outside wall of guide bar (2).
7. A switchgear cabinet according to claim 3, characterized in that: the multiple first handles (12) are connected through a middle connecting rod (16), and the middle connecting rod (16) is detachably connected with the first handles (12).
8. The switchgear cabinet according to claim 2, characterized in that: the safety locking mechanism comprises a safety switch bolt component, the safety switch bolt component comprises a first bolt (21), a second bolt (22), a third bolt (23) and a fourth bolt (24), the first bolt (21) is inserted into the cable connector (1), the second bolt (22) and the third bolt (23) are inserted into the first connecting pipe (6) at intervals, and the fourth bolt (24) is inserted into the grounding contact (18); positioning holes (20) which are matched with the safety switch bolt component are respectively arranged on the cable connector (1), the first connecting pipe (6), the second connecting pipe (7) and the grounding contact (18); when the second connecting pipe (7) is connected with the grounding contact (18), the third bolt (23) sequentially penetrates through the positioning holes (20) in the first connecting pipe (6) and the second connecting pipe (7), and the fourth bolt (24) sequentially penetrates through the positioning holes (20) in the second connecting pipe (7) and the grounding contact (18); when the second connecting pipe (7) is arranged inside the first connecting pipe (6), the second bolt (22) and the third bolt (23) respectively penetrate through the positioning holes (20) in the first connecting pipe (6) and the second connecting pipe (7) in sequence; when the second connecting pipe (7) is connected with the cable joint (1), the first bolt (21) sequentially penetrates through the first connecting pipe (6) and the positioning hole (20) in the cable joint (1), and the second bolt (22) sequentially penetrates through the first connecting pipe (6) and the positioning hole (20) in the second connecting pipe (7).
9. The switchgear cabinet according to claim 2, characterized in that: the safety lockout mechanism comprises a controller, a first displacement sensor (25), a second displacement sensor (26), a first lockout member (27), a second lockout member (28), a third lockout member (29), and a fourth lockout member (30); the structure of the first locking piece (27), the second locking piece (28), the third locking piece (29) and the fourth locking piece (30) is the same, the first locking piece (27) comprises an upper control part (31), a lower control part (32), an upper clamping tooth (33) and a lower clamping tooth (34), and the upper control part (31), the lower control part (32), the first displacement sensor (25) and the second displacement sensor (26) are respectively electrically connected with the controller; the first displacement sensor (25) is arranged on the cable connector (1), and the second displacement sensor (26) is arranged on the grounding contact (18); a first protection frame (35) is arranged on the outer side of the cable joint (1), and an upper control part and a lower control part of the first locking piece (27) are arranged on the inner side wall of the first protection frame (35); the upper control part and the lower control part of the second locking part (28) and the third locking part (29) are arranged on the inner side wall of the first connecting pipe (6) at intervals, a second protective frame (36) is arranged on the outer side of the grounding contact (18), and the upper control part and the lower control part of the fourth locking part (30) are arranged on the inner side wall of the second protective frame (36); be equipped with rack (37) on the lateral wall of second connecting pipe (7), rack (37) extend along the direction of height of second connecting pipe (7), the one end of going up joint tooth (33) rotates with the one end of lower joint tooth (34) to be connected, go up joint tooth (33) and lower joint tooth (34) one-tenth V type, go up joint tooth (33) and lower joint tooth (34) and mesh with rack (37) respectively, go up joint tooth (33) rotation in control portion (31) through first connecting piece (38) drive, lower control portion (32) are through joint tooth (34) rotation under second connecting piece (39) drive.
10. Method of operating a switchgear cabinet according to any of claims 1-9, characterized in that it comprises the following steps:
the method comprises the following steps: when the second connecting pipe moves to the uppermost end, the conductive connector is in conductive communication with the cable connector, the first displacement sensor sends detected signals to the controller, and after the controller receives the signals, the controller controls the upper control part and the lower control part on the first locking part and the second locking part to respectively lock and fix the upper clamping teeth and the lower clamping teeth on the first locking part and the second locking part with the rack, so that the locking function is achieved; when the conductive connector is communicated with the cable connector, the upper clamping teeth and the lower clamping teeth on the first locking piece and the second locking piece are respectively meshed with the rack, namely the cable connector is communicated with the cable connector to be conductive, and the switch cabinet is in a normal working state and cannot be subjected to a withstand voltage test;
step two: when a voltage withstand test needs to be carried out, the controller controls the upper clamping teeth on the first locking piece and the second locking piece to respectively rotate upwards to enable the upper clamping teeth to be separated from the rack, the first handle is held by a hand to move downwards, when the driving rod is positioned in the middle of the long strip groove, the clamping pin penetrates through the through hole and the clamping hole to be clamped, the second connecting pipe is positioned in the pipe cavity of the first connecting pipe, the second connecting pipe and the first connecting pipe are relatively fixed, at the moment, the controller controls the upper clamping teeth and the lower clamping teeth on the second locking piece and the third locking piece to be respectively meshed with the rack, the conductive connector is disconnected with the cable connector, the switch cabinet is in a power-off state, and the voltage withstand test can be;
step three: after the withstand voltage test is finished and the normal power-on state needs to be recovered, the guide rod is pushed rightwards, the clamping pin is separated from the through hole and the clamping hole, the first handle is held by a hand to move upwards, after the second connecting pipe moves to the uppermost end, the conductive connector is conductively communicated with the cable connector, the first displacement sensor sends a detected signal to the controller, and after the controller receives the signal, the upper clamping teeth and the lower clamping teeth on the first locking piece and the second locking piece are respectively locked and fixed with the rack by controlling the upper control part and the lower control part on the first locking piece and the second locking piece, so that the locking function is achieved; when the conductive connector is communicated with the cable connector, the upper clamping teeth and the lower clamping teeth on the first locking piece and the second locking piece are respectively meshed with the rack, namely the cable connector is communicated with the cable connector to be conductive, and the switch cabinet is in a normal working state;
step four: when the withstand voltage test is finished and grounding is needed, the controller controls the upper clamping teeth on the second locking part and the third locking part to respectively rotate upwards to enable the upper clamping teeth to be separated from the rack, the first handle is continuously moved downwards, when the driving rod is positioned at the lower end of the long groove, the clamping pin is separated from the through hole and the clamping hole, the second connecting pipe is electrically connected with the grounding contact, at the moment, the second displacement sensor senses the position of the second connecting pipe and sends a signal to the controller, after the controller receives the signal, the controller controls the upper clamping teeth and the lower clamping teeth on the third locking part and the fourth locking part to be respectively meshed with the rack, the second connecting pipe and the grounding contact are always communicated, and the grounding cable is in a grounding state; the reciprocating circulation operation is carried out according to the mode.
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| CN202011097631.1A CN112234440B (en) | 2020-12-15 | 2020-12-15 | Switch cabinet and operation method |
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| CN202011097631.1A CN112234440B (en) | 2020-12-15 | 2020-12-15 | Switch cabinet and operation method |
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| CN112234440A true CN112234440A (en) | 2021-01-15 |
| CN112234440B CN112234440B (en) | 2023-03-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093595A (en) * | 2021-03-24 | 2021-07-09 | 陕西疆晨信息科技有限公司 | Electric exchange control method and device and electric exchange control box |
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