Instrument box and ring main unit

Abstract

The utility model relates to an instrument box and a ring main unit, comprising a box body and a grounding stud, the box body comprises a connection box and an installation box, the connection box is communicated with the installation box, the top of the connection box is provided with at least one first aviation plug, and the bottom of the installation box is provided with a groove; the grounding stud is installed in the groove, one end of the grounding stud is located in the installation box, the other end of the grounding stud is located in the installation box, and the grounding stud is used for connecting a grounding wire in the box body and an external grounding wire. According to the technical scheme, the connecting box and the mounting box which are communicated are arranged, the first aviation plug on the connecting box can be connected with other equipment of the ring main unit, and the first aviation plug facilitates line plugging. The groove is formed in the bottom of the mounting box, so that the box body can be directly hung on the ground, and parts mounted at the groove cannot be damaged. Besides, the groove is provided with the grounding stud, and the grounding wire in the box body and the external grounding wire are connected through the grounding stud, so that the grounding wire in the box body does not need to pass through the through hole to be connected with the external grounding wire, and the installation and the disassembly are more convenient.

Description

Technical Field

[0001] The utility model relates to the field of ring network cabinet instrument boxes, in particular to an instrument box and a ring network cabinet. Background Art

[0002] The instrument box generally includes components such as the housing, panel, lining, bracket, etc. It is widely used in instruments, meters, electronics, communications, automation, sensors, smart cards, industrial control, precision machinery and other industries, mainly to protect components.

[0003] When grounding the instrument box of the existing ring main unit, the internal line needs to pass through the through hole opened at the bottom of the box body and then be grounded with the external line, which is not convenient during installation and disassembly. Utility Model Content

[0004] In view of the above problems, the present application provides an instrument box and a ring main unit, which are used to solve the technical problem that the instrument box of the existing ring main unit needs to pass the internal circuit through the bottom through hole and then be grounded to the external circuit when grounding, which is inconvenient during installation and disassembly.

[0005] To achieve the above-mentioned purpose, in the first aspect, the inventor provides an instrument box, including a box body and a grounding stud, the box body includes a connection box and an installation box, the connection box is connected to the installation box, at least one first aviation plug is provided on the top of the connection box, and the bottom of the installation box has a groove; the grounding stud is installed in the groove, one end of the grounding stud is located in the installation box, and the other end of the grounding stud is located in the installation box, and the grounding stud is used to connect the grounding wire in the box with the external grounding wire.

[0006] Different from the prior art, the technical solution of the present application is provided with a connected connection box and an installation box. The first aviation plug on the connection box can be connected to other equipment of the ring network cabinet, and the first aviation plug facilitates line plugging. There is a groove at the bottom of the installation box. The groove is set so that the box can be directly hung on the ground without damaging the components installed in the groove. In addition, a grounding stud is installed in the groove, and the grounding wire in the box is connected to the external grounding wire through the grounding stud. Therefore, the grounding wire in the box does not need to pass through the through hole and then connect to the external grounding wire, which makes installation and disassembly more convenient.

[0007] As an implementation manner of the utility model, the instrument box further includes at least one second aviation plug, and the at least one second aviation plug is installed in the groove.

[0008] Thus, the second aviation plug is provided to facilitate the wiring to be plugged in from the bottom. In addition, at least one second aviation plug is installed in the groove to prevent the second aviation plug from being damaged. Optionally, a plurality of second aviation plugs are arranged at intervals in the groove.

[0009] As an implementation mode of the utility model, the instrument box further comprises a first mounting plate, the first mounting plate is mounted at the rear end of the mounting box, and the first mounting plate is used for mounting the terminal block.

[0010] In this way, the first mounting plate is provided to facilitate installation of the terminal block, and the terminal block can be welded or bolted to the first mounting plate.

[0011] As an implementation mode of the present utility model, the instrument box further comprises two second mounting plates, and the two second mounting plates are respectively mounted on two inner sides of the mounting box.

[0012] In this way, the second mounting plate can cooperate with the first mounting plate to mount the terminal row.

[0013] As an implementation mode of the utility model, the instrument box further comprises a wiring bracket, the wiring bracket is mounted on the first mounting plate, and the wiring bracket has a wiring groove.

[0014] In this way, the wiring bracket facilitates the wiring of the terminal block through the wiring trough.

[0015] As an implementation mode of the utility model, the front end of the installation box includes a cabinet door and a sealing strip, the cabinet door is hinged to the installation box, and a sealing strip is arranged at the door frame inside the cabinet door.

[0016] In this way, the protection level of the box is improved by providing the sealing strip. Optionally, the sealing strip is provided on a circle of the door frame inside the cabinet door, which has a better protection effect.

[0017] As an embodiment of the utility model, the installation box includes a small busbar room and an instrument room, the instrument room is below the small busbar room, and the small busbar room and the instrument room are separated by a partition; the cabinet door includes an upper cabinet door and a lower cabinet door, the upper cabinet door is hinged to the small busbar room, and the lower cabinet door is hinged to the instrument room.

[0018] In this way, different chambers can be opened through different cabinet doors to separate functions, making it less likely to be affected during use.

[0019] As an implementation mode of the utility model, the bottom of the installation box includes a first bottom plate, a second bottom plate and a connecting plate. The first bottom plate and the second bottom plate are connected in a stepped shape by the connecting plate, and a groove is provided on the first bottom plate.

[0020] In this way, the stepped shape saves volume on the one hand, and can cooperate with the air box and mechanism room installed under the instrument box on the other hand, making the structure more compact.

[0021] As an implementation mode of the utility model, the portion protruding outward from the rear end of the installation box is a connection box.

[0022] This makes it easier to connect with other devices in the ring main unit.

[0023] To achieve the above-mentioned purpose, in a second aspect, the inventor provides a ring main unit, comprising a base, a gas box, a mechanism room and an instrument box as any one of the items provided by the inventor above, wherein a gas box is provided on one side of the base, a mechanism room is provided on the other side of the base, and an instrument box is provided on the upper surface of the mechanism room near the gas box.

[0024] The above technical solution opens a groove at the bottom of the instrument box, and a grounding stud is installed in the groove. The grounding wire inside the box is connected with the external grounding wire through the grounding stud. Therefore, the grounding wire inside the box does not need to pass through the through hole and then connect with the external grounding wire, which makes installation and disassembly more convenient.

[0025] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of the present application. In order to enable ordinary technicians in the field to more clearly understand the technical solution of the present application, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purpose and other purposes, features and advantages of the present application easier to understand, the following is an explanation in combination with the specific implementation method and drawings of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and shall not be considered as limitations of the present application.

[0027] In the drawings of the specification:

[0028] Figure 1 This is a schematic diagram of the structure of a ring main unit according to an embodiment of the present application;

[0029] Figure 2 This is a schematic diagram of the structure of an instrument box according to an embodiment of the present application;

[0030] Figure 3 This is a front view of an instrument box according to an embodiment of the present application;

[0031] Figure 4 for Figure 3 Sectional view of AA in the middle;

[0032] Figure 5 for Figure 4 A is an enlarged view of the middle image.

[0033] The reference numerals in the above drawings are described as follows:

[0034] 100-ring main unit; 1-instrument box; 11-box; 111-connection box; 112-installation box; 1121-groove; 1122-small busbar room; 1123-instrument room; 113-cabinet door; 1131-upper cabinet door; 1132-lower cabinet door; 114-sealing strip; 115-first bottom plate; 116-second bottom plate; 117-connection plate; 12-grounding stud; 13-first aviation plug; 14-second aviation plug; 15-first mounting plate; 16-second mounting plate; 17-wiring bracket; 2-base; 3-gas box; 4-mechanism room. DETAILED DESCRIPTION

[0035] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0036] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0037] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0038] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0039] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0040] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0041] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0042] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0043] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0044] According to some embodiments of the present application, please refer to Figure 1 The present embodiment relates to a ring main unit 100, comprising a base 2, an air box 3, a mechanism chamber 4 and an instrument box 1. The air box 3 is arranged on one side of the base 2, the mechanism chamber 4 is arranged on the other side of the base 2, and the instrument box 1 is arranged on the upper surface of the mechanism chamber 4 near the air box 3.

[0045] The ring main unit 100 is a group of electrical equipment (high voltage switchgear) installed in a metal or non-metallic insulating cabinet or made into an assembled interval ring main unit.

[0046] The above technical solution has a groove 1121 at the bottom of the instrument box 1, and a grounding stud 12 is installed in the groove 1121. The grounding wire inside the box 11 is connected with the external grounding wire through the grounding stud 12. Therefore, the grounding wire inside the box 11 does not need to pass through the through hole and then connect with the external grounding wire, which makes installation and disassembly more convenient.

[0047] According to some embodiments of the present application, please refer to Figures 2 to 5 The present embodiment also relates to an instrument box 1, comprising a box body 11 and a grounding stud 12, the box body 11 comprises a connection box 111 and an installation box 112, the connection box 111 is connected to the installation box 112, at least one first aviation plug 13 is arranged on the top of the connection box 111, and a groove 1121 is provided on the bottom of the installation box 112; the grounding stud 12 is installed in the groove 1121, one end of the grounding stud 12 is located in the installation box 112, and the other end of the grounding stud 12 is located in the installation box 112, and the grounding stud 12 is used to connect the grounding wire in the box body 11 with the external grounding wire.

[0048] The outer frame of the box body 11 can also be integrally formed, and has strong firmness. Optionally, the outer frames of the connection box 111 and the installation box 112 can be welded or bolted, but their interiors are connected. A plurality of first aviation plugs 13 can be arranged at intervals on the top of the connection box 111.

[0049] The grounding stud 12 can be directly welded or threadedly connected to the groove 1121. In some embodiments, one end of the grounding stud 12 located in the installation box 112 can be limited by a nut to prevent it from sliding down.

[0050] The technical solution of the present application sets up a connection box 111 and an installation box 112 that are connected to each other. The first aviation plug 13 on the connection box 111 can be connected to other equipment of the ring network cabinet 100, and the first aviation plug 13 facilitates line plugging. There is a groove 1121 at the bottom of the installation box 112. The groove 1121 is set so that the box body 11 can be directly hung on the ground without damaging the components installed in the groove 1121. In addition, a grounding stud 12 is installed in the groove 1121, and the grounding wire in the box body 11 is connected to the external grounding wire through the grounding stud 12. Therefore, the grounding wire in the box body 11 does not need to pass through the through hole and then connect to the external grounding wire, which makes installation and disassembly more convenient.

[0051] According to some embodiments of the present application, optionally, Figure 2 As shown, the instrument box 1 further includes at least one second aviation plug 14 , and the at least one second aviation plug 14 is installed in the groove 1121 .

[0052] Thus, the second aviation plug 14 is provided to facilitate the wiring to be plugged in from the bottom. In addition, at least one second aviation plug 14 is installed in the groove 1121 to prevent the second aviation plug 14 from being damaged. Optionally, a plurality of second aviation plugs 14 are provided at intervals in the groove 1121 .

[0053] According to some embodiments of the present application, optionally, Figure 4 As shown, the instrument box 1 further includes a first mounting plate 15, which is mounted at the rear end of the mounting box 112, and is used to mount a terminal block.

[0054] In this way, the first mounting plate 15 is provided to facilitate installation of the terminal block, and the terminal block can be welded or bolted to the first mounting plate 15 .

[0055] According to some embodiments of the present application, optionally, Figure 4 As shown, the instrument box 1 further includes two second mounting plates 16 , and the two second mounting plates 16 are respectively mounted on two inner sides of the mounting box 112 .

[0056] In this way, the second mounting plate 16 can cooperate with the first mounting plate 15 to mount the terminal block.

[0057] According to some embodiments of the present application, optionally, Figure 4 As shown, the instrument box 1 further includes a wiring bracket 17 , which is mounted on the first mounting plate 15 , and has a wiring groove.

[0058] In this way, the wiring bracket 17 facilitates the wiring of the terminal block through the wiring trough.

[0059] According to some embodiments of the present application, optionally, Figure 4 and Figure 5 As shown, the front end of the installation box 112 includes a cabinet door 113 and a sealing strip 114 . The cabinet door 113 is hinged to the installation box 112 , and a sealing strip 114 is provided at the door frame inside the cabinet door 113 .

[0060] Optionally, a handle is installed on the cabinet door 113, and the handle is convenient for the user to open it.

[0061] In this way, the protection level of the box body 11 is improved by providing the sealing strip 114. Optionally, the sealing strip 114 is provided on a circle of the door frame inside the cabinet door 113, and the protection effect is better.

[0062] According to some embodiments of the present application, optionally, Figure 3 and Figure 4As shown, the installation box 112 includes a small busbar chamber 1122 and an instrument chamber 1123. The instrument chamber 1123 is located below the small busbar chamber 1122, and the small busbar chamber 1122 and the instrument chamber 1123 are separated by a partition. The cabinet door 113 includes an upper cabinet door 1131 and a lower cabinet door 1132. The upper cabinet door 1131 is hinged to the small busbar chamber 1122, and the lower cabinet door 1132 is hinged to the instrument chamber 1123.

[0063] Optionally, a plurality of wiring bridges are installed in the small busbar chamber 1122 to facilitate wiring.

[0064] In this way, different cabinet doors 113 are used to open different chambers, and the functions are separated, which is less likely to be affected during use.

[0065] According to some embodiments of the present application, optionally, Figure 4 As shown, the bottom of the installation box 112 includes a first bottom plate 115 , a second bottom plate 116 and a connecting plate 117 . The first bottom plate 115 and the second bottom plate 116 are connected in a stepped shape via the connecting plate 117 . A groove 1121 is provided on the first bottom plate 115 .

[0066] The first bottom plate 115 , the second bottom plate 116 , and the connecting plate 117 may be welded to each other. Alternatively, the first bottom plate 115 , the second bottom plate 116 , and the connecting plate 117 may also be integrally formed.

[0067] In this way, the stepped shape can save volume on the one hand, and can cooperate with the air box 3 and the mechanism chamber 4 installed below the instrument box 1 on the other hand, so that the structure is more compact.

[0068] According to some embodiments of the present application, optionally, Figure 2 and Figure 4 As shown, the portion protruding outward from the rear end of the installation box 112 is the connection box 111 .

[0069] The rear end of the installation box 112 is connected to the front end of the connection box 111. The front end is in the direction of the cabinet door 113 (the cabinet door is generally facing the user when the instrument box 1 is in use), and the rear end is opposite to the front end.

[0070] In this way, it is convenient to connect with other devices of the ring main unit 100 .

[0071] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present application and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. An instrument box, characterized in that: include: A box body, the box body comprising a connection box and an installation box, the connection box is connected to the installation box, at least one first aviation plug is arranged on the top of the connection box, and a groove is arranged on the bottom of the installation box; A grounding stud is installed in the groove, one end of the grounding stud is located in the installation box, and the other end of the grounding stud is located in the installation box. The grounding stud is used to connect the grounding wire in the box with the external grounding wire.

2. The instrument box according to claim 1, characterized in that: The instrument box further includes at least one second aviation plug, and the at least one second aviation plug is installed in the groove.

3. The instrument box according to claim 1, characterized in that: The instrument box further comprises a first mounting plate, which is mounted at the rear end of the mounting box and is used for mounting a terminal block.

4. The instrument box according to claim 3, characterized in that: The instrument box also includes two second mounting plates, which are respectively mounted on two inner sides of the mounting box.

5. The instrument box according to claim 3, characterized in that: The instrument box further comprises a wiring bracket, wherein the wiring bracket is mounted on the first mounting plate and has a wiring groove.

6. The instrument box according to claim 1, characterized in that: The front end of the installation box comprises a cabinet door and a sealing strip, the cabinet door is hinged to the installation box, and the sealing strip is arranged at the door frame inside the cabinet door.

7. The instrument box according to claim 6, characterized in that: The installation box comprises a small busbar room and an instrument room, the instrument room is located below the small busbar room, and the small busbar room and the instrument room are separated by a partition; The cabinet door comprises an upper cabinet door and a lower cabinet door, wherein the upper cabinet door is hinged to the small busbar chamber, and the lower cabinet door is hinged to the instrument chamber.

8. The instrument box according to claim 1, characterized in that: The bottom of the installation box includes a first bottom plate, a second bottom plate and a connecting plate. The first bottom plate and the second bottom plate are connected in a stepped shape through the connecting plate. The groove is provided on the first bottom plate.

9. The instrument box according to claim 1, characterized in that: The portion protruding outward from the rear end of the installation box is the connection box.

10. A ring main unit, characterized in that: It comprises a base, an air box, a mechanism chamber and an instrument box as described in any one of claims 1 to 9, wherein the air box is arranged on one side of the base, the mechanism chamber is arranged on the other side of the base, and the instrument box is arranged on the upper surface of the mechanism chamber near the air box.

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