CN217692196U - Door plant subassembly and cubical switchboard - Google Patents

Abstract

The utility model discloses a door plant subassembly and cubical switchboard relates to electric power system cubical switchboard field, through setting up the electricity testing window on the door plant at the cubical switchboard, the door plant is testing the electricity door that the setting of electricity window can be opened and close, it is equipped with the electrostatic shielding structure on the electricity door to test, make the anti-arcing requirement that can guarantee the cubical switchboard, and when testing the electricity, need not open the door plant, test the electricity through testing the electricity window can, when testing the electricity promptly, because test the electricity stick and stretch into the cabinet internally through testing the electricity window, consequently still separate the door plant between staff and the inside electrical components of cubical switchboard, therefore, the door plant can play the guard action to the human body, also avoid the staff mistake to touch the inside electrified position of cubical switchboard and cause the electric shock danger.

Description

Door plant subassembly and cubical switchboard

Technical Field

The utility model relates to an electric power system cubical switchboard field, in particular to door plant component and cubical switchboard.

Background

The door plant of cubical switchboard need be opened at the maintenance in-process to current cubical switchboard, then uses and tests the electroprobe and test the electricity, detects to articulate the electric wire again after the electroless and overhauls, and the cubical switchboard is testing the electricity in-process moreover, can only inspect whether electrified the cubical switchboard, can not protect the human body. The door plant of the switch cabinet is opened in the electricity testing process, and if the switch cabinet is electrified at the moment, the personnel directly face the electrified position to cause danger.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, it is an object of the present invention to provide a door panel assembly.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a door plate assembly comprises a door plate and an electricity testing door, wherein the door plate is provided with an electricity testing window, and the electricity testing door capable of being opened and closed is installed on the electricity testing window; the electroscope comprises an electrostatic shielding structure.

In some embodiments, the electroscopic door comprises a perspective plate, and the electrostatic shielding structure comprises an electrostatic shielding mesh, and the electrostatic shielding structure is arranged corresponding to the position of the perspective plate.

In some embodiments, the electricity testing door further comprises a door frame, a through hole is formed in the middle of the door frame, the perspective plate is installed on the door frame and covers the through hole, and the door frame is rotatably connected with the door plate.

In some embodiments, a pressing plate is fixed on the door frame at the position of the edge of the through hole, and the edge of the perspective plate is arranged between the pressing plate and the door frame.

In some embodiments, a first screw is arranged on the pressure plate, and the first screw penetrates through the pressure plate and is fixed on the door frame; the first screw is connected with a ground wire and is in contact with the doorframe.

In some embodiments, the number of the pressing plates is at least two, at least one pressing plate is arranged on the door frame at a position above the perspective plate, and at least one pressing plate is arranged on the door frame at a position below the perspective plate; and/or

The perspective plate comprises one or a combination of a plurality of glass, plastic plates and silica gel plates; and/or

A protective ring is embedded between the perspective plate and the door frame.

In some embodiments, a first hinge is connected to one side of the electricity testing door, and the electricity testing door is rotatably connected with the door plate by using the first hinge on the side where the first hinge is arranged;

the electricity testing door is kept away from one side of the first hinge and is provided with a first locking structure, and the electricity testing door is arranged on one side of the first locking structure and is locked with the door plate.

In some embodiments, the first locking structure comprises a combination of one or more of a catch, a second screw, and a latch.

In some embodiments, the first locking structure comprises a second screw, and a second locking structure is further arranged between the electroscope and the door panel; the second locking structure comprises a first hanging plate fixed on the door plate, a second hanging plate fixed on the electricity testing door and a lock head used for locking the first hanging plate and the second hanging plate together.

A switch cabinet comprises a cabinet body and a door panel assembly, wherein the door panel assembly is arranged on the cabinet body;

the door plate is provided with a second hinge on one side, and the door plate is rotatably connected with the cabinet body by using the second hinge on the side provided with the second hinge;

the door plate is provided with a second locking structure at one side far away from the second hinge, and the door plate is locked with the cabinet body by using the second locking structure at one side provided with the second locking structure.

Has the advantages that: this application is through setting up on the door plant at cubical switchboard and testing the electric window, and the door plant is testing the electric door that the electric window setting can be opened and close, tests to be equipped with electrostatic shielding structure on the electric door for can guarantee the anti-arcing requirement of cubical switchboard, when testing the electricity, need not open the door plant simultaneously, test the electricity through testing the electric window can. When testing the electricity promptly, because test the electricity stick and stretch into the cabinet internally through testing the electricity window, consequently still separate the door plant between staff and the inside electrical components of cubical switchboard, consequently, the door plant can play the guard action to the human body, also avoids the staff mistake to touch the inside electrified position of cubical switchboard and causes the danger of electrocuteeing.

In addition, the static shielding structure combines door plant and cabinet body, can eliminate outside static, avoids static entering cubical switchboard inside and leads to the emergence of arcing, strengthens the ability of preventing arcing.

Drawings

Fig. 1 is a first structural schematic diagram of a door panel assembly, wherein an electricity testing door is in an open state.

Fig. 2 is a second structural schematic diagram of the door panel assembly, wherein the electricity testing door is in a closed state.

FIG. 3 is a schematic front view of the door panel assembly shown in FIG. 2.

FIG. 4 is a schematic structural diagram of the electroscope.

Fig. 5 is a schematic structural diagram of the switch cabinet.

Description of the main element symbols: 100-door plate, 101-electricity testing window, 102-second hinge, 200-electricity testing door, 210-door frame, 220-perspective plate, 230-pressing plate, 240-first screw, 250-first hinge, 260-second locking structure, 261-first hanging plate, 262-second hanging plate, 270-first locking structure, 280-ground wire and 300-cabinet body.

Detailed Description

The utility model provides a door plant subassembly and cubical switchboard, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right below with reference to the figure and to lift the embodiment the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are only for illustrating the present invention and are not intended to limit the scope of the present invention.

The switch cabinet is mainly used for opening, closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting electric energy of an electric power system, electric elements and circuits are arranged in the switch cabinet, the circuits can be connected with a high-voltage power supply or a low-voltage power supply, and the electric elements are used for controlling and protecting the circuits, such as a circuit breaker, a current transformer, a ground wire switch and the like. The switch cabinet is provided with an openable door plate, and when electrical elements and/or circuits inside the switch cabinet are in failure, the door plate is usually required to be opened to repair the electrical elements and/or circuits. In normal use, maintenance of the electrical components and circuits inside the switchgear cabinet is also required.

Referring to fig. 1 to 3, a door panel assembly includes a door panel 100 and an electricity testing door 200, wherein an electricity testing window 101 is formed on the door panel 100, and the electricity testing door 200 capable of being opened and closed is installed on the electricity testing window 101. When the switch cabinet is in normal use, the electricity testing door 200 is in a closed state, namely the electricity testing door 200 covers the whole electricity testing window 101. When the electric elements and/or circuits inside the switch cabinet need to be maintained or repaired, the electricity testing door 200 is opened firstly, then the electric elements and circuits inside the switch cabinet are tested through the electricity testing window 101 on the door plate 100, the electric elements and/or circuits inside the switch cabinet are maintained or repaired after safety is ensured, and personal safety is guaranteed.

In other words, in the operation of testing the electricity, need not open the door plant 100 of cubical switchboard, only need open the electricity test door 200 of installing on door plant 100 can, the staff will test the electricity stick and stretch into the inside needs of cubical switchboard from testing electric window 101 and test the electricity position and test the electricity, therefore the staff can not miss and touch the inside electrified position of cubical switchboard, door plant 100 has played the guard action to the human body at the electricity test in-process, makes the personal safety obtain the guarantee.

Specifically, it includes electrostatic shielding structure (not mark in the figure) on electricity inspection door 200, electrostatic shielding structure can play the shielding effect to the magnetic field in the cubical switchboard outside, and the cabinet body 300 of electrostatic shielding structure and cubical switchboard forms a complete electric field shielding structure promptly, can effectively avoid the influence of outside electric field to the electrical components and the circuit of cubical switchboard inside, in other words, the glass that has the electrostatic shielding function can eliminate outside static, avoids static to get into the cubical switchboard inside and lead to the emergence of arcing, strengthens the ability of preventing arcing.

In some embodiments, the electroscope gate 200 includes a see-through plate 220, and the electrostatic shielding structure includes an electrostatic shielding mesh, and the electrostatic shielding structure is disposed corresponding to the see-through plate 220. Specifically, the electroscope door 200 includes a perspective plate 220 through which a line of sight can pass, so that a user can stand outside the switch cabinet and then observe the condition inside the switch cabinet through the perspective plate 220, that is, the perspective plate 220 forms an observation window for observing the condition inside the switch cabinet.

Wherein, electrostatic shielding structure includes electrostatic shielding net, and electrostatic shielding net pastes on the surface of perspective board 220 one side at least, because perspective board 220 adopts non-conductive material to make, can lead to the cubical switchboard to the shielding effect variation of outside electric field, consequently this application sets up electrostatic shielding net on perspective board 220 for the inspection door 200 also possesses the shielding effect in magnetic field at perspective board 220, improves the shielding effect in the holistic magnetic field of cubical switchboard.

The metal part of the electrostatic shielding net is of a net structure, so that the sight line cannot be completely obstructed, and the structure of a user for observing the inside of the switch cabinet through the perspective plate 220 is not influenced.

In application, when the door panel 100 is applied to the cabinet 300 without observing the internal structure, the electrostatic shielding structure may be a metal plate.

In some embodiments, the electroscopic door 200 further comprises a door frame 210, a through hole is formed in the middle of the door frame 210, the perspective panel 220 is installed on the door frame 210, the perspective panel 220 covers the through hole, and the door frame 210 is rotatably connected with the door plate 100. The perspective panel 220 is installed on the door frame 210, so that the door frame 210 is rotatably connected to the door panel 100, and the opening and closing functions of the electroscope door 200 can be realized. And the through hole is arranged in the middle of the door frame 210, so that the sight of a user cannot be blocked, namely, the sight can penetrate through the perspective plate 220 and the electrostatic shielding net from the through hole to observe the structure inside the switch cabinet.

In some embodiments, a pressing plate 230 is fixed on the door frame 210 at the position of the edge of the through hole, and the edge of the see-through plate 220 is placed between the pressing plate 230 and the door frame 210. Wherein, clamp plate 230 is fixed on electroscope door 200, just clamp plate 230 establishes the through-hole border for form the draw-in groove between clamp plate 230 and the electroscope door 200, and then the side of perspective board 220 can block in this draw-in groove, realize the fixed mounting of perspective board 220.

In some embodiments, the pressing plate 230 is provided with a first screw 240, and the first screw 240 penetrates through the pressing plate 230 and is fixed on the door frame 210. When the perspective plate 220 is installed, the perspective plate 220 and the pressing plate 230 are sequentially placed on the door frame 210, then the first screw 240 penetrates through the pressing plate 230 and is in threaded connection with the door frame 210, and in the process of screwing the first screw 240, the pressing plate 230 gradually compresses the perspective plate 220, so that the perspective plate 220 is conveniently installed, and the pressing plate 230, the perspective plate 220 and the door frame 210 are detachably connected, so that the perspective plate 220 is conveniently replaced.

In the above, since the door frame 210 is made of a metal plate, and the first screw 240 passes through the pressing plate 230 and is screwed to the door frame 210, the electrostatic shielding net contacts the door frame 210, so that the electrostatic shielding net and the door frame 210 are electrically connected. Therefore, the first screw 240 is connected with the ground wire 280, and the first screw 240 contacts with the door frame 210, so that the door frame 210 is in a grounding state, the electricity verification door 200 is ensured not to be electrified, and the personal safety of workers is ensured.

The pressing plate 230 may also be made of a metal plate, and the first screw 240 is in contact with the pressing plate 230 and the door frame 210, so that the first screw 240, the pressing plate 230 and the door frame 210 can be electrically conductive to each other.

In some embodiments, the number of the pressing plates 230 is at least two, at least one pressing plate 230 is disposed on the door frame 210 at a position above the see-through plate 220, and at least one pressing plate 230 is disposed on the door frame 210 at a position below the see-through plate 220. When the perspective plate 220 is installed, the pressing plate 230 disposed at the lower side of the perspective plate 220 is fixed to the door frame 210, the fixing manner of the pressing plate 230 may be, but not limited to, fixing by the first screw 240, then the perspective plate 220 is inserted between the pressing plate 230 and the door frame 210, then the pressing plate 230 disposed at the upper side of the perspective plate 220 is fixed to the door frame 210 by the first screw 240, and at the same time, the upper side of the perspective plate 220 is pressed by the pressing plate 230, thereby fixing the perspective plate 220. When the perspective plate 220 is inserted between the pressing plate 230 disposed on the lower side of the perspective plate 220 and the doorframe 210, the pressing plate 230 disposed on the lower side of the perspective plate 220 supports the perspective plate 220, so that the perspective plate 220 does not need to be held when the pressing plate 230 disposed on the upper side of the perspective plate 220 is installed, and the installation is convenient.

In a detailed embodiment, the cross section of the pressing plate 230 is "z" shaped, so that after the pressing plate 230 is fixed on the door frame 210, a slot is formed between one side of the pressing plate 230 and the door frame 210, and the side of the see-through plate 220 can be clamped in the slot. Wherein, the pressing plate 230 is provided with a flange at both ends, and the horizontal position of the see-through plate 220 can be limited by the flange, so that the see-through plate 220 cannot move horizontally after being installed.

In a detailed embodiment of the present application, the see-through plate 220 comprises one or more combinations of glass, plastic plate and silicone plate. The glass, the plastic plate and the silica gel plate have the perspective function, the materials are convenient to obtain, and the cost is low. The application the perspective board 220 is preferably glass, and glass is convenient for drawing materials, and is with low costs, also can observe the inside structure of cubical switchboard through glass, and glass is not easily melted moreover, has the ability of separation arcing.

In order to prevent the arc from leaking out of the gap when the arc is generated inside the switch cabinet, a protective ring is embedded between the perspective plate 220 and the door frame 210, so that the perspective plate 220 and the electricity inspection door 200 are sealed, and the arc can be prevented from leaking out of the gap.

In order to realize the rotational connection between the electroscope door 200 and the door panel 100, a first hinge 250 is connected to one side of the electroscope door 200, and the electroscope door 200 is connected to the door panel 100 through the first hinge 250 at the side where the first hinge 250 is arranged; so that the electroscope door 200 can swing at the first hinge 250, and the opening and closing functions of the electroscope door 200 are realized.

The electroscope door 200 is provided with a first locking structure 270 on the side far away from the first hinge 250, and the electroscope door 200 can be locked with the door panel 100 through the first locking structure 270 on the side provided with the first locking structure 270. When the electroscope door 200 is in the closed state, the electroscope door 200 can be locked on the door panel 100 through the first locking structure 270, so that the electroscope door 200 can be opened only by opening the first locking structure 270, and the danger problem caused by mistakenly opening the electroscope door 200 is avoided. In other words, if the electroscope door 200 can be opened at will under the condition that the inside of the switch cabinet is electrified, people may mistakenly touch the structure inside the switch cabinet, and further the risk of electric shock is caused.

In some embodiments, the first locking structure 270 includes a combination of one or more of a lock, a second screw, and a latch. The first locking structure 270 is used for locking the electroscope door 200 on the door panel 100, and it is necessary to keep the electroscope door 200 openable, therefore, the first locking structure 270 includes one or more combinations of a lock catch, a second screw and a latch, and when it is necessary to open the electroscope door 200, the first locking structure 270 is detached or disassembled.

In a detailed embodiment of the present application, the electroscopic door 200 is locked on the door panel 100 by the second screw. In order to prevent the user from opening the electroscope 200 by mistake, a second locking structure 260 is further provided between the electroscope 200 and the door plate 100, and therefore, the first locking structure 270 and the second locking structure 260 need to be opened at the same time to open the electroscope 200.

In a detailed embodiment of the present application, the second locking structure 260 includes a first hanging plate 261 fixed on the door plate 100, a second hanging plate 262 fixed on the electroscopic door 200, and a locking head for locking the first hanging plate 261 and the second hanging plate 262 together. When the electricity testing door 200 is in a closed state, the first hanging plate 261 and the second hanging plate 262 are in a matching position, and then a locking head for locking the first hanging plate 261 and the second hanging plate 262 together is installed, so that the second locking structure 260 is locked.

In a detailed embodiment, the second hanging plate 262 is disposed on the door frame 210; the first locking structure 270 is used for locking the doorframe 210 of the electroscope door 200 to the door panel 100.

A switch cabinet comprises a cabinet body 300 and a door panel 100 assembly, wherein the door panel 100 assembly is installed on the cabinet body 300. Because the door plant 100 subassembly includes door plant 100 with test the electricity door 200, and seted up on the door plant 100 and tested electric window 101, when overhauing and maintaining the electric elements and the circuit of the cabinet body 300 inside, pass through earlier on the door plant 100 test electric window 101 stretch into the test electricity stick and test the electricity, guarantee to overhaul and maintain electric elements and circuit after safe.

Specifically, in order to facilitate the opening of the door panel 100, a second hinge 102 is disposed on one side of the door panel 100, and the door panel 100 is hinged to the cabinet 300 through the second hinge 102 on the side where the second hinge 102 is disposed, so that the door panel 100 and the cabinet 300 can swing at the position of the second hinge 102. And a second locking structure 260 is arranged on a side of the door panel 100 away from the second hinge 102, and the door panel 100 can be locked with the cabinet 300 through the second locking structure 260 on the side where the second locking structure 260 is arranged. When the door panel 100 is in the closed state, the door panel 100 may be fixed to the cabinet 300 by the second locking structure 260, so that the door panel 100 cannot swing.

Wherein, the second locking structure 260 comprises one or more of a five-prevention mechanical lock and a single-tongue lock.

The switch cabinet is used for overhauling and maintaining electrical elements and circuits inside the switch cabinet in the following mode: the electroscope door 200 on the door panel 100 is opened firstly, then the electroscope rod is extended into from the electroscope window 101 for electroscope, and in the electroscope process, the door panel 100 plays a role in protecting the working personnel. After the safety is ensured by electricity testing, the door panel 100 is opened, and then the electric elements and circuits inside the switch cabinet are overhauled or maintained.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions should be considered as the protection scope of the present invention.

Claims (8)

1. The door plate assembly is characterized by comprising a door plate and an electricity testing door, wherein the door plate is provided with an electricity testing window, and the electricity testing door capable of being opened and closed is installed on the electricity testing window; the electroscope comprises an electrostatic shielding structure;

the electroscope door comprises a perspective plate, the electrostatic shielding structure comprises an electrostatic shielding net, and the electrostatic shielding structure and the perspective plate are arranged correspondingly;

the electricity testing door further comprises a door frame, a through hole is formed in the middle of the door frame, the perspective plate is installed on the door frame and covers the through hole, and the door frame is rotatably connected with the door plate.

2. The door panel assembly of claim 1, wherein a pressure plate is secured to the door frame at a location along the edge of the through hole, the edge of the see-through plate being disposed between the pressure plate and the door frame.

3. The door panel assembly of claim 2, wherein the pressure plate has a first screw passing through the pressure plate and fixed to the door frame; the first screw is connected with a ground wire and is in contact with the doorframe.

4. A door panel assembly according to claim 2 or 3, wherein the number of the pressing plates is at least two, at least one pressing plate is provided at a position on the door frame above the see-through plate, and at least one pressing plate is provided at a position on the door frame below the see-through plate; and/or

The perspective plate comprises one or more of glass, a plastic plate and a silica gel plate; and/or

A protective ring is embedded between the perspective plate and the door frame.

5. The door panel assembly according to any one of claims 1 to 3, wherein a first hinge is connected to one side of the electroscope, and the electroscope is rotatably connected to the door panel at the side where the first hinge is arranged;

the electroscope door is keeping away from first hinge one side is provided with first locking structure, the electroscope door is setting first locking structure one side is used first locking structure with the door plant locking.

6. The door panel assembly of claim 5, wherein the first locking structure comprises a combination of one or more of a catch, a second screw, and a latch.

7. The door panel assembly according to claim 5, wherein the first locking structure comprises a second screw, and a second locking structure is arranged between the electroscope and the door panel; the second locking structure comprises a first hanging plate fixed on the door plate, a second hanging plate fixed on the electricity testing door and a lock head used for locking the first hanging plate and the second hanging plate together.

8. A switchgear cabinet comprising a cabinet body and a door panel assembly as claimed in any one of claims 1 to 7 mounted thereon;

the door plate is provided with a second hinge at one side, and the door plate is rotatably connected with the cabinet body at one side provided with the second hinge by using the second hinge;

the door plate is provided with a second locking structure at one side far away from the second hinge, and the door plate is locked with the cabinet body by using the second locking structure at one side provided with the second locking structure.

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