CN220439442U - Quick access compartment of ring main unit - Google Patents

Quick access compartment of ring main unit Download PDF

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Publication number
CN220439442U
CN220439442U CN202321985522.2U CN202321985522U CN220439442U CN 220439442 U CN220439442 U CN 220439442U CN 202321985522 U CN202321985522 U CN 202321985522U CN 220439442 U CN220439442 U CN 220439442U
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CN
China
Prior art keywords
box body
electromagnet
locking
plate
switch
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Active
Application number
CN202321985522.2U
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Chinese (zh)
Inventor
应伟亮
龚海晏
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Zhixing Electronics Suzhou Co ltd
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Zhixing Electronics Suzhou Co ltd
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Priority to CN202321985522.2U priority Critical patent/CN220439442U/en
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Abstract

The utility model relates to a rapid access compartment of a ring main unit, which comprises a power supply, a box body with a forward opening and a door plate for covering the opening, wherein a socket and a locking electromagnet are arranged in the box body, and each socket is provided with a switch in one-to-one correspondence; the switch is in a normally closed state, and the switch corresponding to the socket is triggered to be disconnected after the insulation plug is installed in place on the socket; the locking electromagnet is provided with a push rod which can move between a locking position and an unlocking position which are sequentially arranged from front to back, the push rod is positioned at the locking position, the push rod extends out of the box body forwards to prevent the door plate from covering the opening, the push rod is positioned at the unlocking position, and the push rod retracts into the box body to allow the door plate to cover the opening; all switches are arranged in parallel to form a switch group, and the power supply, the switch group and the locking electromagnet are arranged in series; the locking electromagnet is electrified to enable the ejector rod to be maintained at the locking position, and the locking electromagnet is powered off to allow the ejector rod to freely move between the locking position and the unlocking position. The security of the quick access compartment is improved.

Description

Quick access compartment of ring main unit
Technical Field
The utility model relates to the technical field of ring main units, in particular to a rapid access compartment of a ring main unit.
Background
The looped netowrk cabinet has the quick access compartment that is used for installing quick access socket, in order to guarantee safe operation, and the looped netowrk cabinet must ensure to have completely installed insulating end cap and all sockets in place when closing the chamber door of quick access compartment, if insulating end cap is not completely installed in place, then lead to the trouble emergence such as electric leakage, short circuit easily at looped netowrk cabinet during operation, causes equipment damage. At present, when an insulation plug is installed to a socket of a quick access compartment, an operator usually visually judges whether the insulation plug is installed in place, so that larger uncertainty exists, and potential safety hazards exist.
Disclosure of Invention
First, the technical problem to be solved
In view of the above-mentioned drawbacks and shortcomings of the prior art, the present utility model provides a quick access compartment of a ring main unit, which improves the security performance of the quick access compartment.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
the utility model provides a rapid access compartment of a ring main unit, which comprises a power supply, a box body with a forward opening and a door plate for covering the opening, wherein sockets and locking electromagnets are arranged in the box body, and each socket is provided with a switch in one-to-one correspondence; the switch is in a normally closed state, and the switch corresponding to the socket is triggered to be disconnected after the insulation plug is installed in place on the socket; the locking electromagnet is provided with a push rod which can move between a locking position and an unlocking position which are sequentially arranged from front to back, the push rod is positioned at the locking position, the push rod extends out of the box body forwards to prevent the door plate from covering the opening, the push rod is positioned at the unlocking position, and the push rod retracts into the box body to allow the door plate to cover the opening; all switches are arranged in parallel to form a switch group, and the power supply, the switch group and the locking electromagnet are arranged in series; the locking electromagnet is electrified to enable the ejector rod to be maintained at the locking position, and the locking electromagnet is powered off to allow the ejector rod to freely move between the locking position and the unlocking position.
Optionally, the switch is a travel switch or a micro switch.
Optionally, the side of the door panel is hinged with the side of the box body and forms a hinge position, the door panel rotates around the hinge position to cover the opening of the box body, and the locking electromagnet is arranged close to the hinge position.
Optionally, the latching electromagnet is fixedly mounted on a top plate, a bottom plate or a right side plate of the box body.
Optionally, the latching electromagnet is mounted on a bottom plate of the case.
Optionally, the side of the door panel is hinged to the side of the box by a door stay hinge.
Optionally, the quick access compartment of the ring main unit further comprises a mounting plate in a shape like a Chinese character 'ji', wherein the mounting plate is provided with a groove, and a first wing plate and a second wing plate which are respectively positioned at two sides of the groove, and the first wing plate and the second wing plate are respectively provided with a mounting hole; the locking electromagnet comprises an electromagnet body and a push rod, and the push rod is arranged in the electromagnet body; the first wing plate and the second wing plate are attached to the inner wall of the box body, the first wing plate and the second wing plate are fixedly connected to the inner wall of the box body through mounting holes, the extending direction of the groove is the front-back direction, and the electromagnet body is clamped between the groove and the inner wall of the box body.
Optionally, the opening edge of the box body is provided with a wrapping edge which is bent towards the middle part of the box body; the front end of the electromagnet body is abutted with the wrapping edge, the groove is provided with a limiting plate, and the rear end of the electromagnet body is abutted with the limiting plate.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
the rapid access compartment of the ring main unit provided by the utility model can be used for realizing that when the insulation plug and all the sockets in the compartment are not completely installed in place, the door plate of the compartment can not be normally closed, and only after the insulation plug and all the sockets in the compartment are installed in place, the door plate of the compartment can be normally closed, so that the safety performance of the rapid access compartment of the ring main unit is improved, and the potential safety hazard caused by personnel installation misoperation or misjudgment is prevented.
Drawings
Fig. 1 is a schematic perspective view of a quick access compartment of a ring main unit according to an embodiment of the present utility model;
fig. 2 is a schematic circuit diagram of a quick access compartment of a ring main unit according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a portion of a latching electromagnet mated with a door panel in accordance with an embodiment of the present utility model, wherein the latching electromagnet is energized and the door panel is opened;
fig. 4 is a schematic view of a partial structure of a latching electromagnet and a door panel according to an embodiment of the present utility model, wherein the latching electromagnet is powered off and the door panel is closed.
Description of the reference numerals
1: a power supply;
2: a case;
21: wrapping edges;
3: a door panel;
4: a socket;
5: locking the electromagnet;
51: a push rod; 52: an electromagnet body;
6: a switch;
7: an insulation plug;
8: a mounting plate;
81: a first wing.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Wherein references herein to "upper", "lower", "front", "rear", "left", "right", etc. are made with reference to the orientation of fig. 1.
As shown in fig. 1 to 4, the utility model provides a quick access compartment of a ring main unit, which comprises a power supply 1, a box body 2 with a forward opening and a door plate 3 for covering the opening, wherein sockets 4 and locking electromagnets 5 are arranged in the box body 2, and each socket 4 is provided with a switch 6 in one-to-one correspondence; the switch 6 is in a normally closed state, and the switch 6 corresponding to the socket 4 is triggered to be disconnected after the insulating plug 7 is installed in place on the socket 4; the locking electromagnet 5 is provided with a push rod 51 capable of moving between a locking position and an unlocking position which are sequentially arranged from front to back, the push rod 51 is positioned at the locking position, the push rod 51 extends forwards out of the box body 2 to prevent the door plate 3 from covering the opening, the push rod 51 is positioned at the unlocking position, the push rod 51 is retracted into the box body 2 to allow the door plate 3 to cover the opening; all the switches 6 are arranged in parallel to form a switch group, and the power supply 1, the switch group and the locking electromagnet 5 are arranged in series; the latching electromagnet 5 is energized to maintain the ejector rod 51 in the locked position, and the latching electromagnet 5 is de-energized to allow the ejector rod 51 to freely move between the locked position and the unlocked position.
The quick access compartment of the ring main unit arranged as above, the power supply 1, the switch group and the locking electromagnet 5 form a circuit. When the insulation plugs 7 are installed on the sockets 4 of the quick access compartment, the corresponding switches 6 of the sockets 4 are triggered to be disconnected after the insulation plugs 7 are installed in place on the sockets 4, all the switches 6 are triggered to be disconnected (namely, a switch group is disconnected) after the insulation plugs 7 and all the sockets 4 are completely installed in place, the locking electromagnet 5 is powered off, the ejector rod 51 is allowed to freely move between a locking position and an unlocking position, and then the door plate 3 is allowed to cover an opening (in the process that the door plate 3 covers the opening, the door plate 3 props against the ejector rod 51 to enable the ejector rod 51 to move from the locking position to the unlocking position); when the insulating plug 7 is not installed in place on one or more than two sockets 4, the switch 6 corresponding to the socket 4 is not disconnected, the switch group is not disconnected, the latching electromagnet 5 keeps energized, the ejector rod 51 is maintained at the locking position, and the door plate 3 is prevented from covering the opening. Therefore, the rapid access compartment of the ring main unit provided by the utility model can realize that when the insulating plug 7 and all the sockets 4 in the compartment are not completely installed in place, the door plate 3 of the compartment can not be normally closed, and only after the insulating plug 7 and all the sockets 4 in the compartment are installed in place, the door plate 3 of the compartment can be normally closed, so that the safety performance of the rapid access compartment of the ring main unit is improved, and the potential safety hazard caused by personnel installation misoperation or misjudgment is prevented.
Preferably, the switch 6 is a travel switch or a micro switch. The travel (i.e., the prescribed travel) of the insulating plug 7 mounted in place on the socket 4 can be implemented by the travel switch or the micro switch to perform the operation of the switch 6, so that the switch 6 corresponding to the socket 4 is triggered to be turned off after the insulating plug 7 is mounted in place on the socket 4.
Specifically, when the switch 6 is a travel switch, the travel switch is mounted on the socket 4, the contact of the travel switch protrudes out of the end face of the socket 4, and in the process of mounting the insulation plug 7 to the socket 4, the insulation plug 7 can touch the contact of the travel switch to enable the contact to move along with the insulation plug 7, and when the insulation plug 7 is mounted in place on the socket 4, the contact moves to a preset position to enable the travel switch to be disconnected.
Specifically, when the switch 6 is a micro switch, the micro switch is mounted on the socket 4, the contact of the micro switch protrudes out of the end face of the socket 4, and when the insulation plug 7 is mounted in place on the socket 4, the contact of the micro switch is triggered to disconnect the micro switch.
Preferably, the side of the door panel 3 is hinged with the side of the case 2 and forms a hinge position, the door panel 3 is rotated around the hinge position to cover the opening of the case 2, and the latching electromagnet 5 is disposed near the hinge position. In this way, the ejector rod 51 in the locking position is convenient to prevent the door plate 3 from covering the opening, and the door plate 3 is convenient to abut against the ejector rod 51 to enable the ejector rod 51 to move from the locking position to the unlocking position so as to allow the door plate 3 to cover the opening.
The number of the latching electromagnet 5 may be one or two or more. In the present embodiment, the latching electromagnet 5 is provided as one.
Further preferably, the latching electromagnet 5 is fixedly mounted on the top plate, bottom plate or right side plate of the case 2. Thus, the locking electromagnet 5 is convenient to install on the box body 2. Specifically, in the present embodiment, the latching electromagnet 5 is mounted on the bottom plate of the case 2.
Preferably, the side of the door panel 3 remote from the door stay hinge is provided with a box lock (not shown in the figures) for locking the door panel 3 and the box body 2.
Preferably, the latching electromagnet 5 comprises an electromagnet body 52 and a push rod 51, and the push rod 51 is arranged in the electromagnet body 52; the rapid access compartment of the ring main unit further comprises a mounting plate 8 in a shape like a Chinese character 'ji', the mounting plate 8 is provided with a groove, a first wing plate 81 and a second wing plate which are respectively positioned at two sides of the groove, and the first wing plate 81 and the second wing plate are respectively provided with a mounting hole; the first wing plate 81 and the second wing plate are attached to the inner wall of the box body 2, the first wing plate 81 and the second wing plate are fixedly connected to the inner wall of the box body 2 through mounting holes, the extending direction of the groove is the front-back direction, and the electromagnet body 52 is clamped between the groove and the inner wall of the box body 2. The mounting plate 8 thus arranged facilitates the fixed mounting of the latching electromagnet 5 on the box body 2 and is stable in mounting.
Further preferably, the opening edge of the case 2 has a wrapping 21 bent toward the middle of the case 2; the front end of the electromagnet body 52 is abutted with the wrapping edge 21, the groove is provided with a limiting plate, and the rear end of the electromagnet body 52 is abutted with the limiting plate. Therefore, the locking electromagnet 5 is limited forwards through the wrapping edge 21, and the locking electromagnet 5 is limited backwards through the limiting plate, so that the installation stability of the locking electromagnet 5 on the box body 2 is further improved. Further, in the present embodiment, the covered edge 21 is provided with a through hole for the ejector pin 51 to pass through.
Preferably, the side of the door panel 3 is hinged to the side of the case 2 by a door stay hinge. Thus, by means of the door stay hinge, the door panel 3 can be supported at a fixed angle after the door panel 3 is opened.
The use process of the compartment is specifically described by an example of a ring main unit quick access compartment, and the main structure of the quick access compartment in this example is the same as that of the quick access compartment, and is not described here again. In this example, 3 10KV sockets 4 are provided inside the case 2. The use of the example quick access compartment is as follows:
1. opening the box lock of the quick access compartment and opening the door plate 3, and supporting the door plate 3 to a specified angle by a door support hinge;
2. the three paths of insulation plugs 7 are respectively installed on the three 10KV sockets 4;
3. if the insulation plugs 7 are all installed in place, the latching electromagnet 5 is powered off, and the door plate 3 is unlocked and can be normally closed;
4. if more than one insulating plugs 7 are not installed in place, the locking electromagnet 5 is electrified, the ejector rod 51 is maintained at the locking position, and the door plate 3 is locked and cannot be closed;
5. when the insulating plugs 7 are all installed in place again, the locking electromagnet 5 is powered off, and the door plate 3 is unlocked and can be normally closed.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (8)

1. A rapid access compartment of a ring main unit is characterized in that,
the power supply comprises a power supply (1), a box body (2) with a forward opening and a door plate (3) for covering the opening, wherein sockets (4) and locking electromagnets (5) are arranged in the box body (2), and each socket (4) is provided with a switch (6) in one-to-one correspondence;
the switch (6) is in a normally closed state, and the switch (6) corresponding to the socket (4) is triggered to be disconnected after the insulating plug (7) is installed in place on the socket (4); the locking electromagnet (5) is provided with a push rod (51) capable of moving between a locking position and an unlocking position which are sequentially arranged from front to back, the push rod (51) is positioned at the locking position, the push rod (51) extends out of the box body (2) forwards to prevent the door plate (3) from covering the opening, the push rod (51) is positioned at the unlocking position, the push rod (51) retracts into the box body (2) to allow the door plate (3) to cover the opening;
all the switches (6) are arranged in parallel to form a switch group, and the power supply (1), the switch group and the locking electromagnet (5) are arranged in series; the locking electromagnet (5) is electrified to maintain the ejector rod (51) at the locking position, the locking electromagnet (5) is powered off to allow the ejector rod (51) to freely move between the locking position and the unlocking position.
2. The quick access compartment of a ring main unit of claim 1, wherein,
the switch (6) is a travel switch or a micro switch.
3. The quick access compartment of a ring main unit of claim 1, wherein,
the side part of the door plate (3) is hinged with the side part of the box body (2) to form a hinge position, the door plate (3) rotationally covers the opening of the box body (2) around the hinge position, and the locking electromagnet (5) is arranged close to the hinge position.
4. A quick access compartment of a ring main unit according to claim 3, wherein,
the locking electromagnet (5) is fixedly arranged on the top plate, the bottom plate or the right side plate of the box body (2).
5. The quick access compartment of the ring main unit of claim 4, wherein,
the locking electromagnet (5) is arranged on the bottom plate of the box body (2).
6. A quick access compartment of a ring main unit according to claim 3, wherein,
the side part of the door plate (3) is hinged with the side part of the box body (2) through a door stay hinge.
7. The quick access compartment of a ring main unit of claim 1, wherein,
the mounting plate (8) is in a shape like a Chinese character 'ji', the mounting plate (8) is provided with a groove, and a first wing plate (81) and a second wing plate which are respectively positioned at two sides of the groove, and the first wing plate (81) and the second wing plate are provided with mounting holes;
the locking electromagnet (5) comprises an electromagnet body (52) and a push rod (51), and the push rod (51) is arranged in the electromagnet body (52);
the first wing plate (81) and the second wing plate are attached to the inner wall of the box body (2), the first wing plate (81) and the second wing plate are fixedly connected to the inner wall of the box body (2) through mounting holes, the extending direction of the groove is the front-back direction, and the electromagnet body (52) is clamped between the groove and the inner wall of the box body (2).
8. The quick access compartment of claim 7, wherein the ring main unit comprises a plurality of access compartments,
the edge of the opening of the box body (2) is provided with a wrapping edge (21) which is bent towards the middle part of the box body (2); the front end of the electromagnet body (52) is abutted with the wrapping edge (21), the groove is provided with a limiting plate, and the rear end of the electromagnet body (52) is abutted with the limiting plate.
CN202321985522.2U 2023-07-27 2023-07-27 Quick access compartment of ring main unit Active CN220439442U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321985522.2U CN220439442U (en) 2023-07-27 2023-07-27 Quick access compartment of ring main unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321985522.2U CN220439442U (en) 2023-07-27 2023-07-27 Quick access compartment of ring main unit

Publications (1)

Publication Number Publication Date
CN220439442U true CN220439442U (en) 2024-02-02

Family

ID=89689328

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321985522.2U Active CN220439442U (en) 2023-07-27 2023-07-27 Quick access compartment of ring main unit

Country Status (1)

Country Link
CN (1) CN220439442U (en)

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