CN217406038U

CN217406038U - Ring main unit

Info

Publication number: CN217406038U
Application number: CN202220948055.5U
Authority: CN
Inventors: 翟停停; 娄源通; 卢健; 康博; 袁端磊; 朱彦卿; 唐猛; 冯祥伟; 张永辉; 李军辉; 王海燕; 蒋成博
Original assignee: Pinggao Group Co Ltd
Current assignee: Pinggao Group Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-09-09
Anticipated expiration: 2032-04-22

Abstract

The utility model relates to a looped netowrk cabinet, concretely relates to mounting structure of instrument room in looped netowrk cabinet. The ring main unit comprises an instrument room positioned at the top of the ring main unit, the instrument room comprises an instrument room main body, a door plate mounting opening is formed in the instrument room main body, a door plate is arranged at the door plate mounting opening, and the door plate is hinged to the instrument room main body through a hinge structure; the upper end and the lower end of the door panel are provided with rotating shafts, the top and the bottom of the instrument room main body are respectively provided with a hinge seat which protrudes outwards from the plane where the door panel mounting opening is located, and the hinge seats are provided with insertion holes into which the corresponding rotating shafts at the upper end and the lower end of the door panel are inserted, so that the door panel is hinged to the instrument room main body on the outer side of the plane where the door panel mounting opening is located; the top of the instrument room is provided with a door eave which is used for shielding the top of the door panel. The door plant articulates in the instrument room main part in the planar outside in door plant installing port place, and the door plant can be with instrument room main part is the same wide to the installation space of secondary components on the increase door plant, the arrangement of the secondary components of being convenient for.

Description

Ring main unit

Technical Field

The utility model relates to a looped netowrk cabinet, concretely relates to mounting structure of instrument room in looped netowrk cabinet.

Background

Novel high-protection sealed SF disclosed by Chinese patent document with the publication number of CN214379720U of a ring main unit used in the field of medium-voltage power distribution ₆ Looped netowrk cabinet, including the instrument room, the instrument room is located the top of looped netowrk cabinet, and the instrument room includes instrument room main part and the embedded door plant in instrument room main part, installs secondary components and parts on the door plant. The SF6 ring main unit is a ring main unit with protective gas filled in the main unit body, and some environment-friendly ring main units are filled with dry gas at present.

When the ring main unit is located outdoors, rainwater may enter the instrument room, or when the ring main unit is located indoors, condensation generated between the ring main unit and the external environment may enter the instrument room, so that the use performance of secondary components is affected, and in severe cases, power utilization faults of the secondary components may occur. In order to ensure the protection performance of the instrument room, the instrument room needs a certain safety protection level, and therefore, the door plate is generally embedded in the instrument room main body. However, because the external dimension of looped netowrk cabinet needs to design according to certain standard, the width of instrument room is certain, and the embedded mounting means of door plant makes the size of door plant less relatively, and the space of secondary component installation is less, and secondary components and parts are difficult to carry out the overall arrangement.

Moreover, because the door plate is arranged in the instrument room, the door plate can only rotate 90 degrees, and the door plate is positioned at the front side of the instrument room main body when being opened to 90 degrees, so that the convenience and the working efficiency of operation are influenced due to the limited opening angle of the door plate when equipment is installed or maintained.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a looped netowrk cabinet to solve the less technical problem of installation space of the secondary components and parts of the instrument room of looped netowrk cabinet among the prior art.

In order to achieve the above object, the utility model discloses ring main unit's technical scheme is:

the ring main unit comprises an instrument room positioned at the top of the ring main unit, the instrument room comprises an instrument room main body, a door plate mounting opening is formed in the instrument room main body, a door plate is arranged at the door plate mounting opening, and the door plate is hinged to the instrument room main body through a hinge structure; the upper end and the lower end of the door panel are provided with rotating shafts, the top and the bottom of the instrument room main body are respectively provided with a hinge seat which protrudes outwards from the plane where the door panel mounting opening is located, and the hinge seats are provided with insertion holes into which the corresponding rotating shafts at the upper end and the lower end of the door panel are inserted, so that the door panel is hinged to the instrument room main body on the outer side of the plane where the door panel mounting opening is located; the top of the instrument room is provided with a door eave which is used for shielding the top of the door panel.

The beneficial effects are that: in the ring main unit of the utility model, the hinge seats are positioned outside the plane of the instrument room main body where the door panel mounting port is positioned, and the rotating shafts at the upper end and the lower end of the door panel are respectively inserted into the jacks of the corresponding hinge seats at the top and the bottom of the instrument room main body, so that the door panel is hinged outside the plane of the door panel mounting port of the instrument room main body, and the door panel can be as wide as the instrument room main body, thereby increasing the mounting space of the secondary components on the door panel and facilitating the arrangement of the secondary components; the eave at instrument room top shelters from at the top of door plant, avoids exposing in the external environment when the door plant sets up in the planar outside of door plant installing port place in the instrument room main part the fitting surface of door plant and instrument room main part, and then avoids outside rainwater or condensation to get into the instrument room inside and influence the normal work of secondary components and parts, improves the protection level of instrument room.

The improved instrument room is characterized in that the hinged seat at the lower end of the instrument room main body is a hinge support plate, and the hinge support plate is provided with the jack.

The beneficial effects are that: the thickness of the hinge support plate is thinner, and accordingly more installation height can be made for the door plate, so that the arrangement space of the secondary components is increased.

In a further improvement, a shaft collar is arranged on the rotating shaft at the lower end of the door panel and is positioned between the door panel and the hinge support plate, so that a space is formed between the door panel and the hinge support plate.

The beneficial effects are that: compared with the direct contact between the door plate and the hinge support plate, the design has the advantages that the contact area between the shaft collar and the hinge support plate is small, the friction force is small, and the door plate can be conveniently opened and closed.

The hinge structure comprises a rotating shaft mounting plate fixed on the inner side of the upper part and/or the lower part of the door plate, an inner folded edge is arranged on the corresponding side edge of the door plate, vertically corresponding rotating shaft mounting holes are arranged on the inner folded edge and the rotating shaft mounting plate, and a corresponding rotating shaft on the door plate is guided and arranged in the rotating shaft mounting holes along the vertical direction; the rotating shaft is sleeved with a spring, one end of the spring is supported on the rotating shaft mounting plate, and the other end of the spring is supported on a supporting structure arranged on the rotating shaft; one end of the rotating shaft, which penetrates out of the rotating shaft mounting plate, is provided with a bending section which is used for stopping and matching with the rotating shaft mounting plate.

The beneficial effects are that: the hinge structure is fixed on the inner side of the door plate, does not occupy the space for mounting the secondary components on the door plate, vacates larger space for the secondary components and is attractive as a whole; the door plate does not need to be provided with a mounting hole for mounting a hinge structure, so that the door plate is convenient to process; the bending section is convenient for operating the rotating shaft by operators.

In a further improvement, the supporting structure is a supporting screw fixed on the rotating shaft.

The beneficial effects are that: by the design, the supporting screw is detachably fixed on the rotating shaft, so that the spring is convenient to mount and dismount.

The improved instrument room comprises a main box body and a top plate, wherein the door eaves are formed by the front side part of the top plate, inserting holes for inserting rotating shafts on the door plates are formed in the bottom surfaces of the door eaves, and hinged seats corresponding to the rotating shafts on the top of the door plates are formed in the bottom surfaces of the door eaves.

The beneficial effects are that: design like this, the eave both has safeguard function and can supply the pivot at door plant top to insert again, and function integration is higher, reduces hinge seat quantity.

The improved structure is characterized in that the top of the main box body is provided with a main box body internal bend, the top plate is provided with a top plate internal bend, and the top surface of the main box body internal bend and the bottom surface of the top plate internal bend are mutually attached and fixedly connected.

The beneficial effects are that: design like this, increase the main tank body and roof area of contact, improve the joint strength of main tank body and roof.

In a further improvement, the top surface of the top plate slopes downward from front to back.

The beneficial effects are that: design like this, when rainwater or condensation fall on the roof that inclines backward, rainwater or condensation can the landing backward, avoid rainwater or condensation to pile up on the roof and influence the normal work of instrument room interior part.

In a further improvement, the eave is provided with a baffle plate extending downwards, and the baffle plate is used for enabling the inner side of the door plate to be attached when the door plate is in a closed state.

The beneficial effects are that: design like this, form labyrinth structure on the eaves, improve the degree of difficulty that rainwater or condensation got into in the instrument room, improve the instrument room protection level.

In a further improvement, the door panel has a fully opened state and a fully closed state, and an included angle of not less than 180 degrees is formed between the positions of the fully opened state and the fully closed state.

The beneficial effects are that: the design like this, can open the door plant completely when carrying out equipment fixing or maintenance, for the operating personnel provides bigger space to the operating personnel operation of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of an instrument room of the ring main unit of the present invention;

FIG. 2 is a schematic view of the top plate of FIG. 1;

FIG. 3 is a left side view of FIG. 2;

FIG. 4 is a bottom view of FIG. 2;

FIG. 5 is a schematic structural view of the first hinge assembly of FIG. 1;

FIG. 6 is a schematic structural view of a second hinge assembly of FIG. 1;

FIG. 7 is an inside view of the door panel of FIG. 1;

FIG. 8 is a side view of FIG. 7;

fig. 9 is an outer side structure view of fig. 7.

In the figure: 11. an instrument room main body; 12. a door panel; 13. a top plate; 14. a hinge support plate; 15. a first hinge assembly; 16. a second hinge assembly; 17. a rotating shaft mounting plate; 18. a first rotating shaft; 19. a spring; 20. bending the section; 21. a support screw; 22. a collar; 23. a door eave; 24. and a baffle plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrases "comprising an … …," or the like, do not exclude the presence of such elements, processes, or methods.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" as may be used herein are to be construed broadly, e.g., as being fixed or releasably connected or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model discloses an embodiment 1 of looped netowrk cabinet:

in this embodiment, looped netowrk cabinet is including the instrument room that is located the top, as shown in fig. 1, the instrument room includes instrument room main part 11 and door plant 12, installs the secondary device on the door plant 12, and instrument room main part 11 has the door plant installing port, and door plant 12 passes through hinge structure and articulates on instrument room main part 11 in the planar front side in door plant installing port place for door plant 12 and instrument room main part 11 are the same width, have increased the space of arranging the secondary device on the door plant 12.

As shown in fig. 1 to 4, the instrument room main body 11 includes a main box body and a top plate 13 located at the top of the main box body, the top of the main box body is provided with an inner bend of the main box body, the top plate 13 is of an integral metal plate bending structure, the top plate 13 is provided with an inner bend of the top plate, and the top surface of the inner bend of the main box body and the bottom surface of the inner bend of the top plate are attached to each other and fixed by rivets. The top surface of the top plate 13 inclines downwards from front to back, so that rainwater and condensation falling on the top plate 13 automatically slide backwards, and the phenomenon that the rainwater and the condensation are accumulated on the top plate 13 to influence the normal work of parts in the instrument room is avoided. The preceding side of roof 13 forms interior eaves 23 of detaining, and eaves 23 shelters from at the top of door plant 12, is equipped with downwardly extending's baffle 24 on the eaves 23, and when door plant 12 was in the closed condition, baffle 24 leaned on the inboard at door plant 12 to avoid rainwater or condensation to get into the indoor portion of instrument through instrument main part 11 and door plant 12's clearance and make the instrument room satisfy IP41 safety protection level.

As shown in fig. 5 to 9, the hinge structure includes a first hinge assembly 15 and a second hinge assembly 16, the first hinge assembly 15 includes a rotating shaft mounting plate 17 and a first rotating shaft 18, the rotating shaft mounting plate 17 is welded and fixed on the top of the inner side of the door panel 12, the top side of the door panel 12 and the rotating shaft mounting plate 17 are provided with rotating shaft mounting holes corresponding to each other up and down, and the first rotating shaft 18 is guided and penetrated in the rotating shaft mounting holes. The part of the first rotating shaft 18 penetrating the rotating shaft mounting hole is sleeved with a spring 19, and a supporting screw 21 is fixed on the first rotating shaft 18 corresponding to the top end of the spring 19 so as to press the spring 19 on the rotating shaft mounting plate 17. One end of the first rotating shaft 18, which penetrates through the rotating shaft mounting plate 17, is provided with a bending section 20, so that an operator can operate the first rotating shaft 18 conveniently. Be equipped with first jack on the eaves 23, the one end and the first jack adaptation of pivot mounting hole are gone out on door plant 12 to first pivot 18 to articulate the top of door plant 12 in the outside of instrument room main part 11 in door plant installing port place plane. In this embodiment, the eaves 23 form a hinged seat. The support screws 21 constitute a support structure.

As shown in fig. 5 to 9, a hinge support plate 14 extending along the opening direction of the door panel mounting opening is disposed at the front side of the bottom of the instrument room main body 11, the hinge support plate 14 is located at the edge of the hinged side of the instrument room main body 11 and the door panel 12, a second insertion hole for mounting a second hinge assembly 16 is disposed on the hinge support plate 14, and the first insertion hole and the second insertion hole vertically correspond to each other. The second hinge assembly 16 is a second rotating shaft, one end of the second rotating shaft is welded and fixed at the bottom of the door panel 12, and the other end of the second rotating shaft is inserted into the second inserting hole, so that the door panel 12 is hinged to the instrument room main body 11 at the outer side of the plane where the door panel mounting opening is located. The middle part of the second rotating shaft is provided with a shaft collar 22, and the shaft collar 22 is positioned between the door panel 12 and the hinge support plate 14, so that a gap is formed between the door panel 12 and the hinge support plate 14, and the bottom of the door panel 12 is prevented from directly contacting the hinge support plate 14 to increase the resistance of the door panel 12 when opening and closing the door. In this embodiment, the hinge support plate 14 is a hinge seat. In other embodiments, the hinge base is a support block.

The door panel 12 rotates around the first rotating shaft 18 and the second rotating shaft at two ends, the door panel 12 has a completely opened state and a completely closed state, can rotate 180 degrees without obstacles, and the hinge structure is integrally hidden at the inner side of the door panel 12, so that the whole structure is attractive and tidy. It should be noted, however, that the maximum opening angle of door panel 12 is affected by the distance between first and second pivot axes 18 and the hinged side of door panel 12.

In the ring main unit of the present invention, the door eaves 23 and the hinge support plate 14 are both located outside the door panel mounting opening of the instrument room main body 11, the first rotating shaft 18 of the door panel 12 is inserted into the first inserting hole of the door eaves 23, and the second rotating shaft is inserted into the second inserting hole of the hinge support plate 14, so as to hinge the door panel 12 outside the instrument room main body 11 on the plane where the door panel mounting opening is located, the door panel 12 can have the same width as the instrument room main body 11, so as to increase the mounting space of the secondary components on the door panel 12, and facilitate the arrangement of the secondary components; the eaves 23 at instrument room top shelters from the top at door plant 12, avoids exposing in external environment when door plant 12 sets up on instrument room main part 11 in door plant installing port place planar outside the fitting surface of door plant 12 and instrument room main part 11, and then avoids outside rainwater or condensation to get into the instrument room inside and influence the normal work of secondary components and parts, improves the protection level of instrument room.

The utility model discloses an embodiment 2 of looped netowrk cabinet:

this example differs from example 1 in that: in embodiment 1, a collar 22 is disposed at the middle portion of the second rotating shaft, and the collar 22 is in stop fit with the hinge support plate 14. In this embodiment, the collar 22 is eliminated. It should be noted that spacers may be installed on hinge support plate 14 to prevent door panel 12 from directly contacting hinge support plate 14.

The utility model discloses an embodiment 3 of looped netowrk cabinet:

this example differs from example 1 in that: in embodiment 1, the supporting structure is a supporting screw 21 fixed on the first rotating shaft 18 at a position corresponding to the top end of the spring 19. In this embodiment, the support structure is a pin shaft disposed on the outer periphery of the first rotating shaft 18 at a position corresponding to the top end of the spring 19.

The utility model discloses an embodiment 4 of looped netowrk cabinet:

this example differs from example 1 in that: in embodiment 1, a front portion of the top plate 13 forms a door trim 23, the door trim 23 is provided with a first insertion hole into which the first rotating shaft 18 is inserted, and the door trim 23 constitutes a hinge base. In this embodiment, the bottom of the eave 23 is provided with a hinge seat, and the hinge seat is provided with a first insertion hole.

Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made without inventive effort to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The ring main unit comprises an instrument room positioned at the top of the ring main unit, the instrument room comprises an instrument room main body (11), a door plate mounting opening is formed in the instrument room main body (11), a door plate (12) is arranged at the door plate mounting opening, and the door plate (12) is hinged to the instrument room main body (11) through a hinge structure; the instrument room is characterized in that rotating shafts are arranged at the upper end and the lower end of the door panel (12), hinged seats protruding outwards from the plane where the door panel mounting opening is located are respectively arranged at the top and the bottom of the instrument room main body (11), and inserting holes for inserting the corresponding rotating shafts at the upper end and the lower end of the door panel (12) are formed in the hinged seats, so that the door panel (12) is hinged to the instrument room main body (11) at the outer side of the plane where the door panel mounting opening is located; the top of the instrument room is provided with a door eave (23) which is used for shielding the top of the door panel (12).

2. The ring main unit as claimed in claim 1, wherein the hinged seat at the lower end of the main body (11) of the instrument room is a hinged support plate (14), and the inserting hole is arranged on the hinged support plate (14).

3. Ring main unit according to claim 2, characterized in that the lower end of the door panel (12) is provided with a shaft collar (22) on the rotating shaft, the shaft collar (22) is located between the door panel (12) and the hinge support plate (14) to form a space between the door panel (12) and the hinge support plate (14).

4. The ring main unit according to claim 1, 2 or 3, wherein the hinge structure comprises a rotating shaft mounting plate (17) fixed on the inner side of the upper part and/or the lower part of the door panel (12), the corresponding side edge of the door panel (12) is provided with an inner folded edge, the inner folded edge and the rotating shaft mounting plate (17) are provided with rotating shaft mounting holes corresponding to each other up and down, and the corresponding rotating shaft on the door panel (12) is guided and penetrated in the rotating shaft mounting holes along the up-down direction; a spring (19) is sleeved on the rotating shaft, one end of the spring (19) is supported on the rotating shaft mounting plate (17), and the other end of the spring (19) is supported on a supporting structure arranged on the rotating shaft; one end of the rotating shaft, which penetrates out of the rotating shaft mounting plate (17), is provided with a bending section (20) which is used for stopping and matching with the rotating shaft mounting plate (17).

5. Ring main unit as claimed in claim 4, wherein the supporting structure is a supporting screw (21) fixed on the rotating shaft.

6. The ring main unit according to claim 1, 2 or 3, wherein the instrument room main body (11) comprises a main box body and a top plate (13), the door eaves (23) are formed by the front side portion of the top plate (13), insertion holes for inserting the rotating shafts on the door panels (12) are formed in the bottom surface of the door eaves (23), and hinge seats corresponding to the rotating shafts on the tops of the door panels (12) are formed in the bottom surface of the door eaves (23).

7. The ring main unit as claimed in claim 6, wherein the top of the main box body is provided with a main box body inner bend, the top plate (13) is provided with a top plate inner bend, and the top surface of the main box body inner bend and the bottom surface of the top plate inner bend are attached to each other and fixedly connected.

8. Ring main unit as claimed in claim 6, characterized in that the top surface of the top plate (13) is inclined downwards from front to back.

9. Ring main unit according to claim 1, 2 or 3, wherein the eaves (23) is provided with a downwardly extending baffle (24), and the baffle (24) is used for the inner side of the door panel (12) to abut against when the door panel (12) is in the closed state.

10. Ring main unit as claimed in claim 1, 2 or 3, wherein said door panel (12) has a fully opened state and a fully closed state, and an included angle between the fully opened state and the fully closed state is not less than 180 °.