CN114122952B - High tension switchgear protecting crust and cubical switchboard thereof - Google Patents

High tension switchgear protecting crust and cubical switchboard thereof Download PDF

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Publication number
CN114122952B
CN114122952B CN202111455700.6A CN202111455700A CN114122952B CN 114122952 B CN114122952 B CN 114122952B CN 202111455700 A CN202111455700 A CN 202111455700A CN 114122952 B CN114122952 B CN 114122952B
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China
Prior art keywords
cabinet body
rod
fixed
switch
rack
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CN202111455700.6A
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Chinese (zh)
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CN114122952A (en
Inventor
卢双佳
包哲莹
孙国强
王俊星
林献荷
林献娜
许东
包筱莹
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Qizhou Electric Co ltd
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Qizhou Electric Co ltd
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Priority to CN202111455700.6A priority Critical patent/CN114122952B/en
Publication of CN114122952A publication Critical patent/CN114122952A/en
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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
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • 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
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • 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
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32—Mounting of devices therein
    • 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
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses a high-voltage switch cabinet protective shell and a switch cabinet thereof, belonging to the field of switch cabinet structures; a high-voltage switch cabinet comprises a cabinet body, a front end cover, a drying mechanism, a clamping mechanism and a switch mechanism; the front end of the cabinet body is connected with the front cover plate in a sliding mode, and the rear end of the cabinet body is provided with the drying mechanism to dry the interior of the cabinet body, so that the safety accident that the humidity in the cabinet body is too high and electric leakage is caused is avoided; the operation time of the drying mechanism is controlled by arranging the clamping mechanism, so that the drying mechanism is prevented from operating in a sealed cabinet body, the temperature in the cabinet body is prevented from being rapidly increased, and the normal operation of circuits and electric devices in the cabinet body is prevented from being influenced; the switch mechanism is arranged in the cabinet body to realize linkage of the switch state and the position state of the front cover plate, so that when the front end of the cabinet body is opened, the switch is in a disconnected state, and the safety of the overhauling process is improved; when the front end of the cabinet body is closed, the switch is in a conducting state, so that the normal operation of the circuit is ensured.

Description

High tension switchgear protecting crust and cubical switchboard thereof
Technical Field
The invention belongs to the field of switch cabinet structures, and particularly relates to a high-voltage switch cabinet protective shell and a switch cabinet thereof.
Background
Inside switch and many circuits and other electrical devices of being equipped with of high tension switchgear, the cubical switchboard is installed in the open air sometimes, when overhauing, needs open the cabinet door, and this just leads to during external moisture enters into the cubical switchboard easily to cause the risk of high tension switchgear electric leakage easily.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a high-voltage switch cabinet protective shell and a switch cabinet thereof, and solves the problem of electric leakage caused by humidity inside the switch cabinet in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a high-voltage switch cabinet comprises a cabinet body, wherein the front end and the rear end of the cabinet body are open, the front end of the cabinet body is connected with a front cover plate in a sliding mode, and the front cover plate can open and close the front end of the cabinet body; the drying mechanism is arranged at the rear end of the cabinet body and comprises a rear cover plate, the rear cover plate is fixedly connected with the cabinet body through bolts, and the rear end of the cabinet body can be sealed;
furthermore, the upper end of the rear cover plate is rotatably connected with a plurality of first rotating shafts, a first belt is connected between every two adjacent first rotating shafts, and a motor is fixed on the rear cover plate and used for driving one of the rotating shafts to rotate; the end part of each first rotating shaft is respectively provided with a first fan, and wind generated by the rotation of the first fan blows the front end of the cabinet body; a fixing frame is fixed on the rear cover plate, a plurality of heating pipes are fixed on the fixing frame, and air generated by the first fan is blown to the front end of the cabinet body after passing through the heating pipes;
furthermore, a clamping mechanism is installed on one side of the cabinet body, the clamping mechanism comprises a fixed rod, the fixed rod can penetrate through the side wall of the cabinet body and is in sliding connection with the cabinet body, one end of the fixed rod is in sliding connection with a sliding rod, a first spring is installed between the sliding rod and the fixed rod, a first gear is fixed on a first rotating shaft connected with a motor, and the tail end of the sliding rod can be clamped between two adjacent teeth of the first gear;
furthermore, a baffle is fixed on one side of the front end face of the cabinet body, a telescopic rod is mounted on the baffle, the telescopic rod comprises an insertion rod, the insertion rod can penetrate through the baffle and is in sliding connection with the baffle, a fixed block is mounted at one end of the insertion rod, a guide rod is fixed at one end of the fixed block, which is opposite to the insertion rod, a support frame is fixed on one side of the baffle, the guide rod penetrates through the support frame and is in sliding connection with the support frame, a second spring is sleeved on the excircle of the guide rod, the fixed block can be tightly attached to the baffle under the elastic force action of the second spring, and at the moment, the insertion rod penetrates through the baffle and exceeds the end face of the baffle;
furthermore, a third fixing plate is fixed on one side of the cabinet body, a first rotating rod is rotatably connected to the third fixing plate, a second gear is fixed on the first rotating rod, a first rack is fixed on one side of the fixing block, a second rack is fixed on one side of the fixing rod, and the first rack and the second rack are respectively located on two sides of the second gear and are meshed with the second gear simultaneously;
further, when the front end of the cabinet body is opened, the cover plate is not in contact with the inserted rod, and at the moment, the sliding rod is not in contact with the first gear; when one end of the cover plate is in contact with the baffle plate, the front end of the cabinet body is completely sealed, and at the moment, the tail end of the sliding rod can be clamped with two adjacent teeth of the first gear.
Furthermore, a switch mechanism is arranged in the cabinet body and comprises a switch, an installation frame is arranged in the cabinet body, the switch is arranged on the installation frame, and a knife switch is hinged on the switch;
furthermore, the switch mechanism also comprises a third rack, the lower end of the third rack is hinged with a connecting block, and the connecting block is connected with the knife switch in a sliding manner; a guide rail is fixed on the mounting rack, the third rack and the guide rail are mutually and slidably connected, and the sliding direction is vertical; a second rotating rod is rotatably connected to the mounting rack, a third gear and a fourth gear are fixed on the second rotating rod, the third gear is meshed with a third rack, a fourth rack is fixed on the first rack, and the fourth rack penetrates through the side wall of the cabinet body and is meshed with the fourth gear;
further, when the front end of the cabinet body is in an open state, the front cover plate is not in contact with the inserted rod, the fixed block is tightly attached to the baffle under the action of the elastic force of the second spring, the knife switch is suspended under the traction of the third rack at the moment, and the switch is in a disconnected state; when the front end of the cabinet body is completely closed by the front cover plate, the inserted rod is compressed at the moment, and the fourth rack is driven to slide towards the direction far away from the cabinet body, so that the third rack is driven to descend, the switch blade is turned downwards, and the switch is in a conducting state.
Furthermore, a cooling mechanism is arranged at the inner top of the cabinet body, the cooling mechanism comprises a plurality of second rotating shafts which are rotatably connected with the inner top of the cabinet body, a second belt is connected between every two adjacent second rotating shafts, a second fan is fixed at the lower end of each second rotating shaft, and the second fan operates to generate downward air and cool the circuit and the electric device; a second driving device for driving one of the second rotating shafts to rotate is fixed on the cabinet body;
furthermore, a connecting rod is fixed at the upper end of the first rack, a fifth gear is fixed on a second rotating rod connected with the second driving device, and the tail end of the connecting rod can be clamped with two adjacent teeth of the fifth gear;
further, when the front end of the cabinet body is opened, two adjacent teeth of the fifth gear at the tail end of the connecting rod are clamped; when the front end of the cabinet body is closed by the front cover plate, the connecting rod leaves the fifth gear.
Furthermore, a T-shaped sliding groove is formed in the front end face of the cabinet body, and a protrusion which is matched with the T-shaped sliding groove and is in sliding connection with the T-shaped sliding groove is arranged on the front cover plate; the upper end of the cabinet body is provided with two first fixing plates, a screw rod is rotatably connected between the two first fixing plates, a second fixing plate is fixed at the upper end of the front cover plate, the screw rod penetrates through the second fixing plate and is in threaded connection with the second fixing plate, and a first driving device used for driving the screw rod to rotate is fixed on one of the first fixing plates.
Furthermore, a limiting groove is formed in the fixing rod, a limiting plate is fixed on the sliding rod and located in the limiting groove, and under the elastic action of the first spring, the limiting plate can approach the end portion of the limiting groove.
Furthermore, the rear cover plate is provided with a positioning hole, the rear end of the cabinet body is provided with a positioning pin, and the positioning pin and the positioning hole can be matched with each other.
The invention has the beneficial effects that: the front end of the cabinet body is connected with the front cover plate in a sliding mode, and the rear end of the cabinet body is provided with the drying mechanism to dry the interior of the cabinet body, so that the safety accident that the humidity of the interior of the cabinet body is too high and electric leakage is caused is avoided; the operation time of the drying mechanism is controlled by installing the clamping mechanism on one side of the cabinet body, so that the drying mechanism stops operating when the front end of the cabinet body is closed by the front end cover, and the phenomenon that the temperature in the cabinet body is rapidly increased due to the fact that the drying mechanism operates in the sealed cabinet body to influence the normal operation of circuits and electric devices in the cabinet body is avoided; the switch mechanism is arranged in the cabinet body to realize linkage of the switch state and the position state of the front cover plate, so that when the front end of the cabinet body is opened, the switch is in a disconnected state, and the safety of the overhauling process is improved; when the front end of the cabinet body is closed, the switch is in a conducting state, so that the normal operation of the circuit is ensured; the cooling mechanism is arranged at the inner top of the cabinet body to cool the interior of the cabinet body, so that the influence on the normal operation of a circuit and electric devices due to overhigh temperature in the interior of the cabinet body is avoided; through set up the connecting rod in cooling body, come to control the operation opportunity of second fan for cabinet body front end open, cooling body does not take place the operation, avoids causing the interference to the wind of stoving mechanism, can not cause the fish tail hidden danger to the operator simultaneously, and when the front end of the cabinet body was sealed by the front shroud, cooling body can normal operating, realized the cooling.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a cabinet according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a front cover plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a drying mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic view of a fastening mechanism according to an embodiment of the present invention
FIG. 6 is a schematic view of a telescopic rod according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a switch mechanism of an embodiment of the present invention;
fig. 8 is a schematic structural view of a cooling mechanism according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
As shown in fig. 1-4, a high-voltage switch cabinet comprises a cabinet body 1, wherein the front end and the rear end of the cabinet body 1 are open, the front end of the cabinet body 1 is connected with a front cover plate 2 in a sliding manner, and the front end of the cabinet body 1 can be opened and closed when the front cover plate 2 slides, so that an operator can conveniently overhaul circuits and electric devices in the cabinet body 1;
a T-shaped sliding groove 12 is formed in the front end face of the cabinet body 1, and a protrusion which is matched with the T-shaped sliding groove 12 and is in sliding connection with the T-shaped sliding groove 12 is arranged on the front cover plate 2, so that the cabinet body 1 and the front cover plate 2 are in sliding connection; the upper end of the cabinet body 1 is provided with two first fixing plates 13, a screw rod 3 is rotatably connected between the two first fixing plates 13, the upper end of the front cover plate 2 is fixedly provided with a second fixing plate 21, the screw rod 3 passes through the second fixing plate 21 and is in threaded connection with the second fixing plate 21, one of the first fixing plates 13 is fixedly provided with a first driving device 4 for driving the screw rod 3 to rotate, and the sliding of the front cover plate 2 can be controlled by controlling the first driving device 4 to operate, so that the front end of the cabinet body 1 is opened and closed;
the rear end of the cabinet body 1 is provided with the drying mechanism 5, and the drying mechanism 5 can dry the internal environment of the cabinet body 1, so that potential safety hazards such as electric leakage and the like caused by excessive moisture are prevented; the drying mechanism 5 comprises a rear cover plate 51, the rear cover plate 51 is connected with the cabinet body 1 through bolts, and the rear end of the cabinet body 1 can be plugged; the upper end of the rear cover plate 51 is rotatably connected with a plurality of first rotating shafts 52, a first belt 54 is connected between every two adjacent first rotating shafts 52, and a motor is fixed on the rear cover plate 51 and used for driving one rotating shaft 52 to rotate so as to drive all the rotating shafts to synchronously rotate in the same direction; the end part of each first rotating shaft 52 is respectively provided with a first fan 53, wind generated by the rotation of the first fan 53 blows the front end of the cabinet body 1, when the front end of the cabinet body 1 is in an open state, the wind generated by the first fan 53 can prevent external dust from entering the cabinet body 1, so that when an operator overhauls a circuit, the entering of the external dust is reduced, and the cleanness inside the cabinet body 1 is ensured;
a fixing frame 55 is fixed on the rear cover plate 51, a plurality of heating pipes 56 are fixed on the fixing frame 55, and the front end of the cabinet body 1 is blown by wind generated by the first fan 53 after passing through the heating pipes 56, so that the inside of the cabinet body 1 is dried, and the phenomenon that the front end of the cabinet body 1 is opened to cause outside moisture to enter the cabinet body 1 to cause electric leakage accidents is avoided;
in this embodiment, the rear cover plate 51 is provided with a positioning hole 511, the rear end of the cabinet 1 is provided with the positioning pin 14, and the positioning pin 14 and the positioning hole 511 can be matched with each other, so as to ensure the accuracy of the mounting position between the rear cover plate 51 and the cabinet 1, and further avoid the interference between the first fan 53 and the cabinet 1.
A clamping mechanism 6 is installed on one side of the cabinet body 1, and the clamping mechanism 6 is used for controlling the operation time of the drying mechanism 5, so that when the front end of the cabinet body 1 is sealed by the front end cover 2, the drying mechanism 5 stops operating, and the situation that the temperature in the cabinet body 1 is rapidly increased due to the operation of the drying mechanism 5 in the sealed cabinet body 1, and the normal operation of circuits and electric devices in the cabinet body 1 is influenced is avoided;
as shown in fig. 5-6, the engaging mechanism 6 includes a fixing rod 61, the fixing rod 61 can penetrate through the side wall of the cabinet 1 and is slidably connected with the cabinet 1, one end of the fixing rod 61 is slidably connected with a sliding rod 62, and a first spring 63 is installed between the sliding rod 62 and the fixing rod 61, so as to realize the elastic connection between the sliding rod 62 and the fixing rod 61; in the drying mechanism 5, a first gear 57 is fixed on a first rotating shaft 52 connected with a motor, and the tail end of a sliding rod 62 can be clamped with two adjacent teeth of the first gear 57; the tail end of the sliding rod 62 can be clamped between two adjacent teeth of the first gear 57 by controlling the fixed rod 61 to slide towards the cabinet 1, so that the drying action of the drying mechanism 5 is limited;
in this embodiment, the fixing rod 61 is provided with a limiting groove 611, the sliding rod 62 is fixed with a limiting plate 621, the limiting plate 621 is located in the limiting groove 611, and under the elastic force of the first spring 63, the limiting plate 621 can approach the end of the limiting groove 611, so as to avoid the sliding rod 62 from being separated from the fixing rod 61;
a baffle 16 is fixed on one side of the front end face of the cabinet 1, a telescopic rod 64 is installed on the baffle 16, the telescopic rod 64 comprises an insertion rod 641, the insertion rod 641 can penetrate through the baffle 16 and is in sliding connection with the baffle 16, a fixing block 642 is installed at one end of the insertion rod 641, a guide rod 643 is fixed at one end of the fixing block 642 opposite to the insertion rod 641, a support frame 65 is fixed on one side of the baffle 16, the guide rod 643 penetrates through the support frame 65 and is in sliding connection with the support frame 65, a second spring 66 is sleeved on the outer circle of the guide rod 643, two ends of the second spring 66 are respectively fixedly connected with the side face of the baffle 16 and the side face of the support frame 65, under the elastic force action of the second spring 66, when the telescopic rod 64 is not subjected to other external forces, the fixing block 642 can be tightly attached to the baffle 16, and at this time, the insertion rod 641 penetrates through the baffle 16 and exceeds the end face of the baffle 16;
a third fixing plate 15 is fixed on one side of the cabinet body 1, a first rotating rod 67 is rotatably connected to the third fixing plate 15, a second gear 68 is fixed on the first rotating rod 67, a first rack 69 is fixed on one side of the fixing block 642, a second rack 610 is fixed on one side of the fixing rod 61, and the first rack 69 and the second rack 610 are respectively positioned on two sides of the second gear 68 and are meshed with the second gear 68 at the same time, so that synchronous reverse motion of the first rack 69 and the second rack 610 is realized;
in this embodiment, when the front end of the cabinet 1 is open, the cover plate 2 does not contact the insertion rod 641, at this time, under the elastic force of the second spring 66, the fixed block 642 is tightly attached to the baffle 16, the sliding rod 62 does not contact the first gear 57, and the drying mechanism 5 can normally operate; when one end of the cover plate 2 contacts with the baffle 16, the front end of the cabinet body 1 is completely sealed, the cover plate 2 extrudes the insertion rod 641, and drives the insertion rod 641 to slide outside the cabinet body 1, and at this time, the tail end of the sliding rod 62 can be clamped with two adjacent teeth of the first gear 57; and because the sliding rod 62 is elastically connected with the fixed rod 61, the tail end of the sliding rod 62 is prevented from limiting the sliding freedom degree of the fixed rod 61 after contacting with the first gear 57, so that the cover plate 2 can be ensured to slide in place and the front end surface of the cabinet body 1 is blocked.
A switch mechanism 7 is arranged in the cabinet body 1, as shown in fig. 7, the switch mechanism 7 comprises a switch 71, an installation frame 11 is arranged in the cabinet body 1, the switch 71, a circuit and other electric devices are installed on the installation frame 11, a knife switch 711 is hinged on the switch 71, the circuit can be conducted by controlling the knife switch 711 to turn downwards, otherwise, the circuit can be disconnected by turning the knife switch 711 upwards;
the switch mechanism 7 further comprises a third rack 73, the lower end of the third rack 73 is hinged with a connecting block 72, the connecting block 72 is connected with the knife switch 711 in a sliding manner, and the switch 71 can be opened and closed by controlling the third rack 73 to ascend and descend; a guide rail 74 is fixed on the mounting frame 11, the third rack 73 and the guide rail 74 are mutually and slidably connected, and the sliding direction is the vertical direction, so that the third rack 73 can be ensured to perform lifting movement in the vertical direction; a second rotating rod 75 is rotatably connected to the mounting rack 11, a third gear 76 and a fourth gear 77 are fixed to the second rotating rod 75, the third gear 76 is meshed with the third rack 73, a fourth rack 77 is fixed to the first rack 69, and the fourth rack 77 penetrates through the side wall of the cabinet body 1 and is meshed with the fourth gear 77;
in this embodiment, when the front end of the cabinet 1 is in an open state and the front cover 2 is not in contact with the insertion rod 641, the fixed block 742 is tightly attached to the baffle 16 under the elastic force of the second spring 66, and the knife 711 is pulled by the third rack 73 to hang in the air, so that the switch 71 is in an off state; when the front end of the cabinet 1 is completely closed by the front cover 2, the insertion rod 641 is compressed at this time, and drives the fourth rack to slide in a direction away from the cabinet 1, so as to drive the third rack 71 to descend, and realize that the knife switch 711 turns downward, and make the switch 71 in a conducting state;
in conclusion, the switch 71 and the front cover plate 2 are linked through the switch mechanism 7, so that when the front end of the cabinet body 1 is opened, the switch 71 is in a disconnected state, and the safety of the overhaul process is improved; when the front end of the cabinet 1 is closed, the switch 71 is in a conducting state, so that the normal operation of the circuit is ensured.
The cooling mechanism 8 is arranged at the top in the cabinet body 1, the cooling mechanism 8 is used for cooling the interior of the cabinet body 1, and particularly, after the drying mechanism 5 works, the cooling function of the cooling mechanism 8 is very important, so that the situation that the circuit in the cabinet body 1 is overheated and cannot normally run is avoided;
as shown in fig. 8, the cooling mechanism 8 includes a plurality of second rotating shafts 81 rotatably connected to the top portion of the cabinet 1, a second belt 83 is connected between two adjacent second rotating shafts 81, so as to achieve synchronous and same-direction rotation of the plurality of second rotating shafts 81, a second fan 82 is fixed to the lower end of the second rotating shafts 81, and the second fan 82 operates to generate downward wind and cool the circuit and the electric devices; a second driving device 84 for driving one of the second rotating shafts 81 to rotate is fixed on the cabinet 1, and the operation of the plurality of second fans 82 can be realized by controlling the rotation of the second driving device 84;
in this embodiment, when the front end of the cabinet 1 is in an open state, the drying mechanism 5 dries the inside of the cabinet 1, and the generated wind organizes dust to enter the cabinet 1 from the front end, and if the cooling mechanism 8 operates at this time, the wind generated by the drying mechanism interferes, so that the dust cannot be organized to enter the cabinet 1 from the front end; when the front end of the cabinet body 1 is opened and an operator overhauls the circuit, the operator is easily scratched by the second fan 82;
a connecting rod 86 is fixed at the upper end of the first rack 69, a fifth gear 85 is fixed on the second rotating rod 81 connected with the second driving device 84, and the tail end of the connecting rod 86 can be clamped between two adjacent teeth of the fifth gear 85, so that the rotation of the second fan 82 is limited;
when the front end of the cabinet 1 is opened, the fixing block 642 is tightly attached to the baffle 16, and at the moment, two adjacent teeth of the fifth gear 85 at the tail end of the connecting rod 86 are clamped, so that the rotation of the second fan 82 is limited; when the front end of the cabinet body 1 is closed by the front cover plate 2, the connecting rod 86 leaves the fifth gear 85, and the cooling mechanism 8 can normally run to finish cooling;
therefore, the front end of the cabinet body 1 is open, the cooling mechanism 8 does not run, the interference to the wind of the drying mechanism 5 is avoided, and the scratch hidden danger to an operator is avoided; when the front end of the cabinet body 1 is sealed by the front cover plate 2, the cooling mechanism 8 can normally operate to realize cooling.
In this embodiment, a protective case is covered on the outer side of the cabinet body 1, and the protective case can isolate and protect the switch cabinet outdoors to prevent rainwater from entering the cabinet body 1; when needing to overhaul, can take off the protective housing earlier, overhaul cabinet body 1 internal circuit.
The working principle is as follows:
the front end of the cabinet body 1 is connected with the front cover plate 2 in a sliding mode, and the rear end of the cabinet body 1 is provided with the drying mechanism 5, so that the interior of the cabinet body 1 is dried, and the safety accident that the humidity in the cabinet body 1 is too high and electric leakage is caused is avoided; the operation time of the drying mechanism 5 is controlled by installing the clamping mechanism 6 at one side of the cabinet body 1, so that when the front end of the cabinet body 1 is sealed by the front end cover 2, the drying mechanism 5 stops operating, and the phenomenon that the temperature in the cabinet body 1 is rapidly increased due to the fact that the drying mechanism 5 operates in the sealed cabinet body 1 to influence the normal operation of circuits and electric devices in the cabinet body 1 is avoided; the switch mechanism 7 is arranged in the cabinet body 1 to realize linkage of the state of the switch 71 and the position state of the front cover plate 2, so that when the front end of the cabinet body 1 is opened, the switch 71 is in a disconnected state, and the safety of the overhauling process is improved; when the front end of the cabinet body 1 is closed, the switch 71 is in a conducting state, so that the normal operation of the circuit is ensured; the cooling mechanism 8 is arranged at the inner top of the cabinet body 1 to cool the interior of the cabinet body 1, so that the influence on the normal operation of a circuit and electric devices due to overhigh temperature in the cabinet body 1 is avoided; through set up connecting rod 86 in cooling body 8, control the operation opportunity of second fan 82 for cabinet body 1 front end open, cooling body 8 does not take place the operation, avoids causing the interference to the wind of stoving mechanism 5, can not cause the fish tail hidden danger to the operator simultaneously, and when the front end of cabinet body 1 was sealed by front shroud 2, cooling body 8 can normal operating, realizes the cooling.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (6)

1. A high-voltage switch cabinet comprises a cabinet body (1) and is characterized in that the front end and the rear end of the cabinet body (1) are open, the front end of the cabinet body (1) is connected with a front cover plate (2) in a sliding mode, and the front cover plate (2) can open and close the front end of the cabinet body (1); the drying mechanism (5) is installed at the rear end of the cabinet body (1), the drying mechanism (5) comprises a rear cover plate (51), the rear cover plate (51) is fixedly connected with the cabinet body (1) through bolts, and the rear end of the cabinet body (1) can be sealed;
the upper end of the rear cover plate (51) is rotatably connected with a plurality of first rotating shafts (52), a first belt (54) is connected between every two adjacent first rotating shafts (52), and a motor is fixed on the rear cover plate (51) and used for driving one of the first rotating shafts (52) to rotate; a first fan (53) is respectively installed at the end part of each first rotating shaft (52), and wind generated by the rotation of the first fan (53) blows to the front end of the cabinet body (1); a fixing frame (55) is fixed on the rear cover plate (51), a plurality of heating pipes (56) are fixed on the fixing frame (55), and wind generated by the first fan (53) is blown to the front end of the cabinet body (1) after passing through the heating pipes (56);
the clamping mechanism (6) is installed on one side of the cabinet body (1), the clamping mechanism (6) comprises a fixing rod (61), the fixing rod (61) can penetrate through the side wall of the cabinet body (1) and is in sliding connection with the cabinet body (1), one end of the fixing rod (61) is in sliding connection with a sliding rod (62), a first spring (63) is installed between the sliding rod (62) and the fixing rod (61), a first gear (57) is fixed on a first rotating shaft (52) connected with a motor, and the tail end of the sliding rod (62) can be clamped between two adjacent teeth of the first gear (57);
a baffle (16) is fixed on one side of the front end face of the cabinet body (1), an expansion rod (64) is installed on the baffle (16), the expansion rod (64) comprises an insertion rod (641), the insertion rod (641) can penetrate through the baffle (16) and is in sliding connection with the baffle (16), a fixed block (642) is installed at one end of the insertion rod (641), a guide rod (643) is fixed at one end, back to the insertion rod (641), of the fixed block (642), a supporting frame (65) is fixed on one side of the baffle (16), the guide rod (643) penetrates through the supporting frame (65) and is in sliding connection with the supporting frame (65), a second spring (66) is sleeved on the outer circle of the guide rod (643), the fixed block (642) can be tightly attached to the baffle (16) under the elastic force action of the second spring (66), and at the moment, the insertion rod (641) penetrates through the baffle (16) and exceeds the end face of the baffle (16);
a third fixing plate (15) is fixed on one side of the cabinet body (1), a first rotating rod (67) is connected to the third fixing plate (15) in a rotating mode, a second gear (68) is fixed on the first rotating rod (67), a first rack (69) is fixed on one side of the fixing block (642), a second rack (610) is fixed on one side of the fixing rod (61), and the first rack (69) and the second rack (610) are located on two sides of the second gear (68) respectively and are meshed with the second gear (68) simultaneously;
when the front end of the cabinet body (1) is opened, the front cover plate (2) is not contacted with the inserted rod (641), and at the moment, the sliding rod (62) is not contacted with the first gear (57); when one end of the front cover plate (2) is contacted with the baffle plate (16), the front end of the cabinet body (1) is completely closed, and at the moment, the tail end of the sliding rod (62) can be clamped with two adjacent teeth of the first gear (57).
2. The high-voltage switch cabinet according to claim 1, characterized in that a switch mechanism (7) is installed in the cabinet body (1), the switch mechanism (7) comprises a switch (71), a mounting frame (11) is installed in the cabinet body (1), the switch (71) is installed on the mounting frame (11), and a knife switch (711) is hinged on the switch (71);
the switch mechanism (7) further comprises a third rack (73), the lower end of the third rack (73) is hinged with a connecting block (72), and the connecting block (72) is connected with the knife switch (711) in a sliding manner; a guide rail (74) is fixed on the mounting rack (11), the third rack (73) and the guide rail (74) are mutually and slidably connected, and the sliding direction is the vertical direction; a second rotating rod (75) is rotatably connected to the mounting rack (11), a third gear (76) and a fourth gear (77) are fixed to the second rotating rod (75), the third gear (76) is meshed with a third rack (73), a fourth rack (78) is fixed to the first rack (69), and the fourth rack (78) penetrates through the side wall of the cabinet body (1) and is meshed with the fourth gear (77);
when the front end of the cabinet body (1) is in an open state, and the front cover plate (2) is not in contact with the inserted rod (641), under the action of the elastic force of the second spring (66), the fixed block (642) is tightly attached to the baffle (16), at the moment, the knife switch (711) is suspended under the traction of the third rack (73), and the switch (71) is in a disconnected state; when the front end of the cabinet body (1) is completely closed by the front cover plate (2), the inserted rod (641) is compressed at the moment, the fourth rack (78) is driven to slide towards the direction far away from the cabinet body (1), so that the third rack (73) is driven to descend, the switch blade (711) is turned over downwards, and the switch (71) is in a conducting state.
3. The high-voltage switch cabinet according to claim 2, characterized in that a cooling mechanism (8) is arranged at the inner top of the cabinet body (1), the cooling mechanism (8) comprises a plurality of second rotating shafts (81) rotatably connected with the inner top of the cabinet body (1), a second belt (83) is connected between every two adjacent second rotating shafts (81), a second fan (82) is fixed at the lower end of each second rotating shaft (81), and the second fan (82) operates to generate downward wind and cool the circuit and the electric devices; a second driving device (84) for driving one second rotating shaft (81) to rotate is fixed on the cabinet body (1);
a connecting rod (86) is fixed at the upper end of the first rack (69), a fifth gear (85) is fixed on a second rotating shaft (81) connected with the second driving device (84), and the tail end of the connecting rod (86) can be clamped with two adjacent teeth of the fifth gear (85);
when the front end of the cabinet body (1) is opened, two adjacent teeth of a fifth gear (85) at the tail end of the connecting rod (86) are clamped; when the front end of the cabinet body (1) is closed by the front cover plate (2), the connecting rod (86) leaves the fifth gear (85).
4. The high-voltage switch cabinet according to claim 1, characterized in that a T-shaped chute (12) is arranged on the front end surface of the cabinet body (1), and a protrusion which is matched with the T-shaped chute (12) and is in sliding connection with the T-shaped chute is arranged on the front cover plate (2); the upper end of the cabinet body (1) is provided with two first fixing plates (13), a screw rod (3) is rotatably connected between the two first fixing plates (13), a second fixing plate (21) is fixed at the upper end of the front cover plate (2), the screw rod (3) penetrates through the second fixing plate (21) and is in threaded connection with the second fixing plate (21), and a first driving device (4) used for driving the screw rod (3) to rotate is fixed on one of the first fixing plates (13).
5. The high-voltage switch cabinet according to claim 1, wherein the fixed rod (61) is provided with a limiting groove (611), the sliding rod (62) is provided with a limiting plate (621), the limiting plate (621) is located in the limiting groove (611), and under the elastic force of the first spring (63), the limiting plate (621) can approach towards the end of the limiting groove (611).
6. The high-voltage switch cabinet according to claim 1, wherein the rear cover plate (51) is provided with a positioning hole (511), the rear end of the cabinet body (1) is provided with a positioning pin (14), and the positioning pin (14) and the positioning hole (511) can be matched with each other.
CN202111455700.6A 2021-12-02 2021-12-02 High tension switchgear protecting crust and cubical switchboard thereof Active CN114122952B (en)

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CN202111455700.6A CN114122952B (en) 2021-12-02 2021-12-02 High tension switchgear protecting crust and cubical switchboard thereof

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Publication number Priority date Publication date Assignee Title
JP4875437B2 (en) * 2006-09-04 2012-02-15 王子製紙株式会社 Power panel
FI126193B (en) * 2013-06-27 2016-08-15 Fibox Oy Ab Capsule for electrical installations
CN105896324A (en) * 2016-06-02 2016-08-24 新都区大丰鹏宇机械厂 Normally-closed moisture-proof power distribution cabinet
CN106505426A (en) * 2016-12-28 2017-03-15 河南微服网络科技有限公司 A kind of Multifunctional power distribution cabinet with damp-proof device
CN209544843U (en) * 2019-01-30 2019-10-25 天津汇和电气设备股份有限公司 A kind of linkage type drier and switchgear

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