Low-voltage complete switch cabinet equipment with protection structure

Abstract

The utility model relates to the technical field of switch cabinet equipment, and discloses low-voltage complete switch cabinet equipment with a protection structure, an electric appliance support is installed in a switch cabinet body through cooperation of a support cross frame and an installation groove frame, and the upper parts of the support cross frame and the installation groove frame are uniformly provided with installation hole positions. Insulation clamping pads and ceramic bolts are arranged at the joints of the supporting transverse frames and the installation groove frames, the installation groove frames are connected and installed through the supporting transverse frames arranged on the sides of the supporting frame, the electric appliance support is connected and installed through the installation groove frames, and the support structure is independent and convenient to install; mounting hole positions are uniformly formed in the upper parts of the supporting cross frame and the mounting groove frame, the front, back, up and down mounting positions of the electrical components can be flexibly adjusted through alignment mounting, the mounting groove frame is mounted on the side of the supporting cross frame through an insulating clamping pad and a ceramic bolt, and a grounding cable is mounted at the lower part of the mounting groove frame. A double electric shock protection structure is formed, and the use safety of the switch cabinet is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet equipment, in particular to a low-voltage complete switch cabinet equipment with a protective structure. Background Art

[0002] Low-voltage switchgear is a kind of electrical equipment. The external line of the switchgear first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set according to its needs, such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Low-voltage switchgear is suitable for power plants, petroleum, chemical, metallurgy, textiles, high-rise buildings and other industries for power transmission, distribution and power conversion. The cabinet body is generally cubic, such as screen type, box type, etc., and there are also prism-shaped ones such as desktop type.

[0003] In order to facilitate the installation and support of electrical components in the switch cabinet, an installation bracket structure is provided inside the switch cabinet body. The bracket structures in the existing switch cabinets are mostly fixed or connected and installed by bolts. Due to structural limitations, the installation positions of the electrical components cannot be flexibly adjusted when arranging and installing the electrical components, which is very inconvenient to use. In addition, the electrical components in the existing switch cabinets are mostly directly connected to the inside of the cabinet body through the bracket structure. The bracket structure is directly connected to the cabinet body. The switch cabinet is made of metal and lacks effective insulation protection. Although there is grounding protection, there is still a risk of electric shock to personnel, and the safety and reliability are poor. Therefore, a low-voltage complete switch cabinet equipment with a protective structure is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a low-voltage switchgear device with a protective structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a low-voltage complete switchgear device with a protective structure, comprising a switchgear body, a protective main door and an operating auxiliary door being provided at the front of the switchgear body, and a bracket mechanism being provided inside the switchgear body;

[0006] The bracket mechanism is used for the installation support of electrical components. The bracket mechanism includes a support frame, a support cross frame, a mounting slot frame and an electrical bracket. The electrical bracket is installed inside the switch cabinet through the support cross frame and the mounting slot frame. The upper parts of the support cross frame and the mounting slot frame are evenly provided with mounting holes. The connection between the support cross frame and the mounting slot frame is provided with an insulating pad and a ceramic bolt. The lower part of the mounting slot frame is installed with a grounding bolt, and the rear part of the grounding bolt is provided with a grounding cable.

[0007] Preferably, the protective main door and the operating sub-door are both hingedly mounted on the front opening side of the switch cabinet, and the operating sub-door is located above the protective main door.

[0008] Preferably, the outer sides of the protective main door and the operating auxiliary door are both provided with door safety locks, the middle of the operating auxiliary door is provided with an observation window, and the lower front part of the switch cabinet is provided with a bottom vent.

[0009] Preferably, the support frame is fixedly installed inside the switch cabinet, and the support cross frames are evenly and equidistantly fixedly installed on both sides of the support frame.

[0010] Preferably, the above-mentioned mounting holes are evenly opened on the sides of the supporting cross frame and the mounting slot frame, the insulating pad support is installed on the contact side of the supporting cross frame and the mounting slot frame, and the supporting cross frame and the mounting slot frame are fastened together by ceramic bolts.

[0011] Preferably, there are multiple electrical brackets, both ends of which are provided with connecting screw holes, and mounting bolts are provided inside the connecting screw holes. The electrical bracket is fixedly installed across two mounting slots by the mounting bolts, and a bracket mounting slot is provided on the lower front side of the mounting slot.

[0012] Preferably, a mounting screw hole is provided at the lower portion of the mounting slot frame, the end portion of the grounding bolt is threadedly mounted on the inner side of the mounting screw hole, and the grounding cable is fixedly connected to the end portion of the grounding bolt.

[0013] Compared with the prior art, the above technical solution adopted by the present invention has the following technical effects:

[0014] This low-voltage switchgear adopts a multi-hole adjustable installation method, and uses a supporting cross frame arranged on the side of the supporting frame to connect and install the mounting slot frame, and connects and installs the electrical bracket through the mounting slot frame. The bracket structure is easy to install independently, and the upper part of the supporting cross frame and the mounting slot frame are evenly provided with mounting holes. The front and rear, upper and lower installation positions of the electrical components can be flexibly adjusted through alignment installation, which greatly improves the installation flexibility and operational convenience of the electrical components in the switchgear. The mounting slot frame is installed on the side of the supporting cross frame through insulating pads and ceramic bolts. The mounting slot frame is insulated from the switchgear body, and a grounding cable is installed at the bottom of the mounting slot frame. The grounding cable and the insulation structure constitute a double electric shock protection structure, which can effectively reduce the risk of electric shock for operators and greatly improve the safety of the switchgear. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0016] Figure 1 This is a schematic diagram of the structure of the switch cabinet in the closed state of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the switch cabinet of the utility model in the open state;

[0018] Figure 3 This is a schematic diagram of the support mechanism structure of the present utility model;

[0019] Figure 4 For the utility model Figure 3 Schematic diagram of the structure of the middle A area;

[0020] Figure 5 This is a schematic diagram of the installation structure of the mounting trough and electrical bracket of the utility model;

[0021] Figure 6 For the utility model Figure 5 Schematic diagram of the structure of area B.

[0022] Explanation of the accompanying symbols: 1. Switch cabinet; 2. Protective main door; 3. Operating auxiliary door; 4. Observation window; 5. Bottom vent; 6. Door safety lock; 7. Support frame; 8. Support cross frame; 9. Mounting slot; 10. Electrical bracket; 11. Insulation pad; 12. Ceramic bolt; 13. Bracket mounting slot; 14. Mounting screw hole; 15. Grounding bolt; 16. Grounding cable; 17. Mounting bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0025] Example

[0026] See also Figure 1-6The utility model provides a technical solution: a low-voltage complete switchgear device with a protective structure, comprising a switch cabinet 1. In order to facilitate the sealing and control operation of the switch cabinet 1, a protective main door 2 and an operating auxiliary door 3 are provided at the front of the switch cabinet 1. Figure 1 As shown in the figure, the protective main door 2 and the operating auxiliary door 3 are hingedly installed on the front opening side of the switch cabinet 1. In order to improve the sealing safety of the switch cabinet 1, as shown in the attached Figure 2 As shown, door safety locks 6 are provided on the outer sides of the protective main door 2 and the operating sub-door 3. The operating sub-door 3 is located above the protective main door 2. In order to facilitate the observation of the working conditions of the components in the switch cabinet 1, an observation window 4 is provided in the middle of the operating sub-door 3. In order to facilitate the ventilation and heat dissipation of the components in the switch cabinet 1, a bottom vent 5 is provided at the lower front side of the switch cabinet 1.

[0027] In order to facilitate the installation and support of electrical components, a bracket mechanism is provided inside the switch cabinet 1. The bracket mechanism includes a support frame 7, a support cross frame 8, a mounting slot frame 9 and an electrical bracket 10. The support frame 7 is fixedly installed inside the switch cabinet 1. The support cross frame 8 is used for the front and rear installation support of the electrical bracket 10. Figure 3 As shown, the supporting cross frame 8 is evenly and evenly fixedly installed on both sides of the supporting frame 7 in an equidistant manner, and the mounting holes are evenly opened on the sides of the supporting cross frame 8 and the mounting slot frame 9. Through the aligned installation, the front, back, upper and lower installation positions of the electrical components can be flexibly adjusted, which greatly improves the installation flexibility and operational convenience of the electrical components in the switch cabinet.

[0028] In order to insulate the connection of the mounting slot frame 9, an insulating pad 11 and a ceramic bolt 12 are provided at the connection of the supporting cross frame 8 and the mounting slot frame 9. The insulating pad 11 can be made of insulating rubber. The insulating pad 11 is supported and installed on the contact side of the supporting cross frame 8 and the mounting slot frame 9. The ceramic bolt 12 is made of ceramic material with insulating properties. The supporting cross frame 8 and the mounting slot frame 9 are fastened together by the ceramic bolt 12. The electrical bracket 10 is used for the installation support of electrical components. There are multiple electrical brackets 10. Both ends of the electrical bracket 10 are provided with connecting screw holes. The inside of the connecting screw holes is provided with mounting bolts 17. The electrical bracket 10 is fixedly installed across the two mounting slot frames 9 by the mounting bolts 17. The mounting slot frame 9 is connected and installed by the supporting cross frame 8 arranged on the side of the supporting frame 7, and the electrical bracket 10 is connected and installed by the mounting slot frame 9. The bracket structure is easy to install independently. In order to facilitate the installation and connection of the electrical bracket 10, as shown in the attached figure Figure 6 As shown, a bracket mounting slot 13 is provided at the front lower portion of the mounting slot frame 9 .

[0029] In order to carry out grounding protection, a grounding bolt 15 is installed at the lower part of the mounting slot 9. In order to facilitate the installation and connection of the grounding bolt 15, as shown in the attached Figure 6As shown, a mounting screw hole 14 is provided at the lower part of the mounting slot frame 9, and the end of the grounding bolt 15 is threadedly installed on the inner side of the mounting screw hole 14. In order to facilitate the conduction and guidance of current, a grounding cable 16 is provided at the rear part of the grounding bolt 15. The grounding cable 16 is fixedly connected to the end of the grounding bolt 15. The grounding cable 16 and the insulation structure constitute a double electric shock protection structure, which can effectively reduce the risk of electric shock for operators and greatly improve the safety of the switch cabinet.

[0030] Working principle or structural principle, when installing, put the two mounting slots 9 into the inside of the switch cabinet 1 in sequence, and when installing the mounting slots 9, select the mounting holes at the appropriate position on the upper part of the supporting cross frame 8 according to the installation needs, and then fit the insulating pads 11 on the side of the supporting cross frame 8, and then use the ceramic bolts 12 to complete the installation and fastening of the mounting slots 9 and the supporting cross frame 8, and then install the grounding bolt column 15 into the mounting screw hole 14 at the bottom of the mounting slot 9. After completing the installation of the mounting slot 9, put the electrical bracket 10 into the mounting slot from the bracket mounting notch 13 at the bottom of the mounting slot 9. 9, and then adjust the longitudinal distribution position of the electrical bracket 10. After completion, complete the fastening installation of the electrical bracket 10 by installing the bolts 17, and then install the electrical components on the upper part of the electrical bracket 10 by bolts to complete the assembly operation of the switch cabinet 1. When the electrical components leak during use, the insulation of the insulating pads 11 can prevent the current from being conducted to the switch cabinet 1. At the same time, the current is directly conducted to the ground through the installation slot frame 9 and the grounding cable 16. Even if the insulation structure fails, the current can be conducted to the ground through the grounding structure of the switch cabinet 1, forming a double electric shock protection structure.

[0031] In summary, the present low-voltage switch cabinet adopts a multi-hole adjustable installation method, and utilizes the supporting cross frame 8 arranged on the side of the supporting frame 7 to connect and install the mounting slot frame 9, and connects and installs the electrical bracket 10 through the mounting slot frame 9. The bracket structure is easy to install independently, and the upper parts of the supporting cross frame 8 and the mounting slot frame 9 are evenly provided with mounting holes. The front, rear, upper and lower installation positions of the electrical components can be flexibly adjusted through the alignment installation, which greatly improves the installation flexibility and operational convenience of the electrical components in the switch cabinet, and the mounting slot frame 9 is installed on the side of the supporting cross frame 8 through the insulating pads 11 and the ceramic bolts 12. The mounting slot frame 9 is insulated from the switch cabinet body 1, and a grounding cable 16 is installed at the lower part of the mounting slot frame 9. The grounding cable 16 and the insulating structure constitute a double electric shock protection structure, which can effectively reduce the risk of electric shock for operators and greatly improve the safety of the switch cabinet.

[0032] Those skilled in the art will appreciate that various combinations and / or combinations of features described in the various embodiments and / or claims of the present invention may be employed, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, various combinations and / or combinations of features described in the various embodiments and / or claims of the present invention may be employed without departing from the spirit and teachings of the present invention. All such combinations and / or combinations fall within the scope of the present invention.

Claims

1. A low-voltage switch cabinet device with a protective structure, comprising a switch cabinet body (1), characterized in that: The front part of the switch cabinet (1) is provided with a protective main door (2) and an operating auxiliary door (3), and the interior of the switch cabinet (1) is provided with a bracket mechanism; The support mechanism is used for supporting the installation of electrical components, and the support mechanism comprises a support frame (7), a support cross frame (8), a mounting slot frame (9) and an electrical support (10). The electrical support (10) is installed inside the switch cabinet (1) by means of the support cross frame (8) and the mounting slot frame (9). The upper parts of the support cross frame (8) and the mounting slot frame (9) are evenly provided with installation holes. The connection between the support cross frame (8) and the mounting slot frame (9) is provided with an insulating clamping pad (11) and a ceramic bolt (12). The lower part of the mounting slot frame (9) is provided with a grounding bolt column (15), and the rear part of the grounding bolt column (15) is provided with a grounding cable (16).

2. The low-voltage switch cabinet equipment with a protective structure according to claim 1 is characterized in that: The protective main door (2) and the operating auxiliary door (3) are both hingedly mounted on the front opening side of the switch cabinet (1), and the operating auxiliary door (3) is located above the protective main door (2).

3. The low-voltage switch cabinet equipment with a protective structure according to claim 2 is characterized in that: The outer sides of the protective main door (2) and the operating auxiliary door (3) are both provided with door body safety locks (6), the middle of the operating auxiliary door (3) is provided with an observation window (4), and the lower front part of the switch cabinet (1) is provided with a bottom vent (5).

4. The low-voltage switch cabinet equipment with a protective structure according to claim 1 is characterized in that: The support frame (7) is fixedly installed inside the switch cabinet (1), and the support cross frame (8) is evenly and equidistantly fixedly installed on both sides of the support frame (7).

5. The low-voltage switch cabinet equipment with a protective structure according to claim 4 is characterized in that: The installation holes are evenly arranged on the sides of the supporting cross frame (8) and the installation slot frame (9); the insulating clamping pad (11) is supported and installed on the contact side of the supporting cross frame (8) and the installation slot frame (9); and the supporting cross frame (8) and the installation slot frame (9) are fastened and connected by ceramic bolts (12).

6. The low-voltage switch cabinet equipment with a protective structure according to claim 5, characterized in that: A plurality of electrical appliance brackets (10) are provided, and connection screw holes are provided at both ends of the electrical appliance bracket (10), and mounting bolts (17) are provided inside the connection screw holes. The electrical appliance bracket (10) is fixedly installed between two mounting slot frames (9) by means of the mounting bolts (17), and a bracket mounting notch (13) is provided at the front lower part of the mounting slot frame (9).

7. The low-voltage switch cabinet equipment with a protective structure according to claim 1, characterized in that: A mounting screw hole (14) is provided at the lower portion of the mounting slot frame (9), the end of the grounding bolt column (15) is threadedly mounted on the inner side of the mounting screw hole (14), and the grounding cable (16) is fixedly connected to the end of the grounding bolt column (15).

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