Partition protection type high-low voltage switch cabinet

Abstract

The utility model relates to the technical field of high-low voltage switch cabinets, in particular to a partition protection type high-low voltage switch cabinet, which comprises a rectangular upper cabinet, a rectangular lower cabinet arranged below the upper cabinet, a rectangular ceramic seat arranged between the upper cabinet and the lower cabinet, and a partition protection type high-low voltage switch cabinet. The lower end wall of the upper cabinet and the upper end wall of the lower cabinet are respectively and fixedly connected with the ceramic seat, the upper cabinet and the lower cabinet are internally provided with cabinet cavities for placing electric devices, and the front sides of the upper cabinet and the lower cabinet are connected with cabinet doors for shielding the cabinet cavities through hinges. According to the utility model, the upper cabinet and the lower cabinet are insulated through the ceramic seat made of ceramic materials, direct contact between a high-voltage area and a low-voltage area is prevented from occurring in the upper cabinet and the lower cabinet which are respectively used as high-voltage and low-voltage cabinets, the safety coefficient is greatly enhanced, the fault risk and the maintenance frequency are reduced, and the cabinet is especially suitable for being applied to complex working condition environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to high low voltage switchgear technical field especially relates to a high low voltage switchgear of guard formula. BACKGROUND

[0002] High low voltage switchgear is called high voltage or low voltage cable equipment, generally power supply bureau, substation is all with high voltage cabinet, then through transformer step down to low voltage cabinet, low voltage cabinet to each power distribution box, inside is only some switch circuit breaker protection device assembly into an integral electrical equipment.

[0003] High low voltage switchgear in use, the direct contact of internal high voltage area and low voltage area is not separated, easy to appear short circuit and other security risks, fault risk and maintenance frequency are higher. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a high low voltage switchgear of guard formula.

[0005] In order to realize above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A high low voltage switchgear of guard formula, including the upper cabinet of rectangle, the lower cabinet of rectangle is arranged below the upper cabinet, ceramic seat of rectangle is arranged between the upper cabinet and the lower cabinet, and the upper end wall of the upper cabinet and the lower end wall of the lower cabinet are fixedly connected with the ceramic seat respectively, the cabinet cavity for placing electrical devices is formed in the interior of the upper cabinet and the lower cabinet, and the cabinet door for shielding the cabinet cavity is connected to the front side of the upper cabinet and the lower cabinet through the hinge.

[0007] Preferably, the cabinet door is provided with two, and the cabinet door is rectangular, and the cabinet cavity end wall of the upper cabinet and the lower cabinet is fixedly connected with the electrical device mounting sheet for mounting electrical devices, and the bottom end wall of the lower cabinet is fixedly connected with the support seat for supporting the lower cabinet.

[0008] Preferably, the left front end wall of the upper cabinet and the left and right front end walls of the lower cabinet are provided with a sliding groove, and the left sliding groove extends along the end wall of the lower cabinet to the end wall of the upper cabinet, and the right sliding groove is arranged on the front end wall of the lower cabinet.

[0009] Preferably, the sliding groove is provided with a cylindrical plug, and the left and right end bottom walls of the lower cabinet are provided with a plug hole movably connected with the plug.

[0010] Preferably, the left end wall of the upper cabinet near the cabinet cavity and the right end wall of the lower cabinet near the cabinet cavity are fixedly connected with the edge sheet of rectangular sheet shape.

[0011] Preferably, the plug is provided with two, and the top end wall of the plug is fixedly connected with a fixed block, and the top end wall of the fixed block is connected with a connecting column fixedly connected with the edge sheet through a wire.

[0012] This utility model has at least the following beneficial effects:

[0013] 1. The ceramic base made of ceramic material insulates the upper and lower cabinets, preventing direct contact between the high-voltage and low-voltage areas when the upper and lower cabinets are used for high voltage and low voltage respectively. This greatly enhances the safety factor, reduces the risk of failure and maintenance frequency, and is especially suitable for applications in complex working environments.

[0014] 2. In the cabinet chambers of the upper and lower cabinets, there are side plates to connect the upper and lower cabinets and the connecting posts. The connecting posts are electrically connected to the solid block through wires. The pin at the bottom of the solid block moves down along the socket and inserts into the ground, which can ground the upper or lower cabinet to prevent short circuits and other safety hazards in the upper and lower cabinets. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the present invention;

[0017] Figure 2 for Figure 1 A diagram showing the doors of the upper and lower cabinets;

[0018] Figure 3 for Figure 1 A diagram showing the support base at the bottom of the cabinet from below;

[0019] Figure 4 for Figure 2 Enlarged diagram of point A.

[0020] In the diagram: 1. Upper cabinet; 2. Ceramic base; 3. Lower cabinet; 4. Cabinet door; 5. Cabinet cavity; 6. Electrical mounting plate; 7. Slide rail; 8. Pin; 9. Socket; 10. Side plate; 11. Connecting post; 12. Fixed block; 13. Support base. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] Please see Figures 1-4 This utility model provides a technical solution for an isolated high and low voltage switchgear:

[0023] As Figures 1-4 shown, a protective high-low voltage switch cabinet, comprising a rectangular upper cabinet 1, a rectangular lower cabinet 3 is arranged below the upper cabinet 1, a rectangular ceramic seat 2 is arranged between the upper cabinet 1 and the lower cabinet 3, the lower end wall of the upper cabinet 1 and the upper end wall of the lower cabinet 3 are fixedly connected with the ceramic seat 2, cabinet cavities 5 for placing electrical devices are formed in the upper cabinet 1 and the lower cabinet 3, cabinet doors 4 for shielding the cabinet cavities 5 are hingedly connected to the front sides of the upper cabinet 1 and the lower cabinet 3, the cabinet doors 4 are rectangular, and electrical device mounting pieces 6 for mounting electrical devices are fixedly connected to the end walls of the cabinet cavities 5 of the upper cabinet 1 and the lower cabinet 3, a support seat 13 for supporting the lower cabinet 3 is fixedly connected to the bottom end wall of the lower cabinet 3, electrical devices are mounted at the electrical device mounting pieces 6, hinges are arranged at the left end walls of the two cabinet doors 4 for respectively connecting with the upper cabinet 1 and the lower cabinet 3, the two cabinet cavities 5 are respectively used as high-voltage and low-voltage chambers, the ceramic seat 2 made of ceramic material is arranged to prevent direct contact between the high-voltage area and the low-voltage area, which greatly enhances the safety factor, reduces the failure risk and maintenance frequency, and is especially suitable for application in complex working conditions;

[0024] Sliding grooves 7 are formed in the left front end wall of the upper cabinet 1 and the left and right front end walls of the lower cabinet 3, the left sliding groove 7 extends along the end wall of the lower cabinet 3 to the end wall of the upper cabinet 1, and the right sliding groove 7 is formed in the front end wall of the lower cabinet 3, cylindrical plugs 8 are arranged in the sliding grooves 7, plug holes 9 movably connected with the plugs 8 are formed in the left and right bottom end walls of the lower cabinet 3, rectangular edge pieces 10 are fixedly connected to the left end wall of the upper cabinet 1 near the cabinet cavity 5 and the right end wall of the lower cabinet 3 near the cabinet cavity 5, the plugs 8 are provided with two, fixed blocks 12 are fixedly connected to the top end walls of the plugs 8, and connecting columns 11 fixedly connected with the edge pieces 10 are connected to the top end walls of the fixed blocks 12 through wires, when the upper cabinet 1 is used as a low-voltage area and the lower cabinet 3 is used as a high-voltage area, the plugs 8 in the sliding groove 7 on the right side of the lower cabinet 3, the plug holes 9, and the edge pieces 10 are used, the plugs 8 are inserted into the ground, the lower cabinet 3 with high voltage is grounded, and the purpose of protecting and preventing short circuit in the high-voltage area is achieved, at this time, the connecting columns 11 and the fixed blocks 12 in the left area of the lower cabinet 3 can not be connected by wires and are not used, and the selectivity is stronger when used

[0025] Working principle:

[0026] In the electrical device mounting pieces 6 of the cabinet cavities 5, electrical devices are mounted, the ceramic seat 2 made of ceramic material insulates the upper cabinet 1 and the lower cabinet 3, prevents direct contact between the high-voltage area and the low-voltage area of the upper cabinet 1 and the lower cabinet 3 used as high-voltage and low-voltage respectively, greatly enhances the safety factor, reduces the failure risk and maintenance frequency, and is especially suitable for application in complex working conditions;

[0027] The side piece 10 is arranged in the cabinet chamber 5 of the upper cabinet 1 and the lower cabinet 3, and is used for connecting the upper cabinet 1 and the lower cabinet 3 and the connecting column 11, the connecting column 11 is electrically connected with the fixed block 12 through a wire, the plug 8 at the bottom of the fixed block 12 is moved downward along the insertion hole 9, and the plug 8 is inserted into the ground, so that the upper cabinet 1 or the lower cabinet 3 is grounded, and potential safety hazards such as short circuit of the upper cabinet 1 and the lower cabinet 3 are prevented.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the utility model. Various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-low voltage switchgear of the segregated type, comprising a rectangular upper cabinet (1), characterized in that, The upper cabinet (1) is provided below with a rectangular lower cabinet (3), a rectangular ceramic seat (2) is arranged between the upper cabinet (1) and the lower cabinet (3), the lower end wall of the upper cabinet (1) and the upper end wall of the lower cabinet (3) are respectively fixedly connected with the ceramic seat (2), cabinet cavities (5) for placing electrical devices are formed in the upper cabinet (1) and the lower cabinet (3), and cabinet doors (4) for shielding the cabinet cavities (5) are hingedly connected to the front sides of the upper cabinet (1) and the lower cabinet (3).

2. The high-low voltage switchgear according to claim 1, characterized in that, The cabinet door (4) is provided with two rectangular cabinet doors (4), and electrical mounting pieces (6) for mounting electrical devices are fixedly connected to the end walls of the cabinet cavities (5) of the upper cabinet (1) and the lower cabinet (3), and a support seat (13) for supporting the lower cabinet (3) is fixedly connected to the bottom end wall of the lower cabinet (3).

3. The high-low voltage switchgear according to claim 1, characterized in that, Sliding grooves (7) are formed in the left front end wall of the upper cabinet (1) and the left and right front end walls of the lower cabinet (3), the left sliding groove (7) extends along the end wall of the lower cabinet (3) to the end wall of the upper cabinet (1), and the right sliding groove (7) is formed in the front end wall of the lower cabinet (3).

4. The switchgear according to claim 3, characterized in that, A cylindrical plug (8) is arranged in the sliding groove (7), and plug holes (9) movably connected with the plug (8) are formed in the bottom end walls of the left and right ends of the lower cabinet (3).

5. The switchgear according to claim 4, characterized in that, Rectangular edge pieces (10) are fixedly connected to the left end wall of the upper cabinet (1) near the cabinet cavity (5) and the right end wall of the lower cabinet (3) near the cabinet cavity (5).

6. The switchgear according to claim 5, characterized in that, The plug (8) is provided with two plugs (8), a fixed block (12) is fixedly connected to the top end wall of the plug (8), and a connecting column (11) fixedly connected with the edge piece (10) is connected to the top end wall of the fixed block (12) through a wire.

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