Compact drawing type low-voltage cabinet

Abstract

The utility model discloses a compact drawing type low-voltage cabinet, which belongs to the technical field of low-voltage cabinets, and aims to solve the problems that the existing low-voltage cabinet occupies too large area, and the temperature is too high and potential safety hazards exist when electrical components work. The compact drawing type low-voltage cabinet comprises an outer bottom plate, and four corners of the upper end of the outer bottom plate are fixedly connected with a plurality of supporting columns; a cover plate is fixedly connected to the upper end of the supporting column, a driving motor is arranged on the upper surface of the cover plate and rotationally connected with an electric fan on the inner side of the cover plate, a U-shaped fixing frame is fixedly connected to the upper end of the outer bottom plate, a plurality of protection boxes are fixedly connected to the outer surface of the fixing frame, and electric appliance elements are installed in the protection boxes. A regular protective sleeve is arranged on the inner surface of the U-shaped fixing frame, and the lower end of the protective sleeve extends to the position between the inner bottom plate and the outer bottom plate, so that the problem of low utilization rate of the low-voltage cabinet is solved, the problem of temperature rise generated during operation of electrical components is solved, and installation and maintenance of the electrical components are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of low-voltage cabinets, and in particular relates to a compact pull-out low-voltage cabinet. Background Art

[0002] Low voltage cabinet, also known as low voltage distribution cabinet, is the common name for low voltage complete switchgear and control equipment. It refers to complete electrical devices with AC and DC voltage below 1000V. Low voltage switchgear is suitable for power plants, petroleum, chemical, metallurgy, textile, high-rise buildings and other industries for power transmission, distribution and power conversion. Today, the low voltage distribution cabinet market has maintained a rapid growth trend with the construction and implementation of smart grids, infrastructure, investment in manufacturing and the development of new energy industries.

[0003] The prior art discloses a compact low-voltage feeder cabinet with patent announcement number CN211046055U. The above patent has greatly improved the utilization rate of the low-voltage cabinet, but there are still the following deficiencies in actual use: from a practical point of view, the low-voltage cabinet has a large number of electrical components and generates a large amount of heat when working, especially in the high temperature in summer, which is the peak period of electricity consumption, and will cause considerable safety hazards. At the same time, the outer surface of its design is provided with electrical components, which is not conducive to installation and maintenance.

[0004] Therefore, a compact pull-out low-voltage cabinet is needed to solve the safety and maintenance problems existing in the prior art. Utility Model Content

[0005] The purpose of the utility model is to provide a compact pull-out low-voltage cabinet to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A safe and compact low-voltage cabinet, comprising an outer bottom plate:

[0008] A plurality of support columns are fixedly connected to the four corners of the upper end of the outer bottom plate, a cover plate is fixedly connected to the upper end of the support column, and a plurality of air inlet holes are opened on the outer surface of the cover plate;

[0009] A fixing frame, the fixing frame is U-shaped, the lower end of the fixing frame is fixedly connected to an outer bottom plate, the outer surface of the fixing frame is fixedly connected to a number of regular protection boxes, an outer baffle is provided between each upper and lower protection boxes, the outer baffle is fixedly connected to the fixing frame, a number of regular protective sleeves are installed on the inner surface of the fixing frame, an inner baffle is provided between each section of the protective sleeve, and the lower end of the fixing frame is fixedly connected to the inner bottom plate;

[0010] A protection box, wherein a connection sleeve is fixedly mounted on one side of the protection box, and an electrical component is mounted on the surface of the connection sleeve;

[0011] A thermometer, wherein the thermometer is movably connected with a cover plate, and a temperature display screen is provided at the upper end of the thermometer;

[0012] A driving motor, one side of the outer surface of the driving motor is fixedly connected to the thermometer, one end of the rotating shaft is fixedly connected to the output end of the driving motor, and the other end is connected to the cover plate through a bearing and extends to the inside of the cover plate to be rotatably connected to an electric fan.

[0013] As a preferred embodiment, a plurality of universal wheels are installed at the lower end of the outer bottom plate.

[0014] As a preferred embodiment, a groove is opened upward on the lower surface of the cover plate, and the height of the groove is slightly higher than the height of the electric fan.

[0015] As a preferred embodiment, each section of the protective sleeve is movably connected to an inner baffle plate, the uppermost end of the protective sleeve is closed, and the lowermost end is open and extends between the inner bottom plate and the outer bottom plate.

[0016] As a preferred embodiment, the inner bottom plate is provided with a plurality of evenly distributed air outlets.

[0017] As a preferred embodiment, the front of the protection box is a swing door design, a connecting sleeve is fixedly installed on one side of the interior of the protection box, and a through wire entry hole is opened in the middle of the connecting sleeve and extends to the interior of the protection sleeve.

[0018] As a preferred embodiment, fixedly connected handles are provided on one side surface of the front door, the side door and the rear door, and the lowermost end of the rear door is in the same plane as the inner bottom plate.

[0019] Compared with the prior art, the compact pull-out low-voltage cabinet provided by the utility model has at least the following beneficial effects:

[0020] (1) By observing the high temperature on the temperature display, the drive motor is turned on to drive the electric fan to rotate, thereby lowering the temperature inside the low-voltage cabinet.

[0021] (2) By designing a fixing frame so that the protection box can be placed on three sides, the utilization rate of the low-voltage cabinet can be increased, thereby reducing the volume of the low-voltage cabinet.

[0022] (3) The number of electrical components that can be freely installed and removed according to actual conditions and the regular protective cover on the inner surface of the fixed frame as a line guide can increase the utilization rate of the low-voltage cabinet and the installation and maintenance of electrical components and lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the front side of the utility model;

[0024] Figure 2 This is a schematic diagram of the back structure of the fixing frame of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the protection box of the utility model;

[0026] Figure 4 This is a schematic diagram of the motor and fan structure of the utility model;

[0027] Figure 5 It is a schematic diagram of the connection structure of the protective cover of the utility model.

[0028] In the figure: 1: outer bottom plate; 101: universal wheel; 102: support column; 103: cover plate; 104: air inlet; 2: fixing frame; 201: outer baffle plate; 202: inner baffle plate; 203: protective cover; 204: inner bottom plate; 205: air outlet; 3: protective box; 301: electrical component; 302: connecting sleeve; 4: door; 401: front door; 402: rear door; 403: side door; 5: thermometer; 501: temperature display screen; 6: driving motor; 601: rotating shaft; 602: electric fan. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with the embodiments.

[0030] See also Figure 1-5 The utility model provides a compact pull-out low-voltage cabinet, including an outer bottom plate 1, a plurality of support columns 102 are fixedly connected to the four corners of the upper end of the outer bottom plate 1, and the support columns 102 are four, which are evenly and symmetrically distributed at the four corners of the upper end of the outer bottom plate 1, and the upper ends are fixedly connected to the four corners along the edge of the groove. A cover plate 103 is fixedly connected to the upper ends of the support columns 102, and a plurality of air inlet holes 104 are opened on the outer surface of the cover plate 103. The air inlet holes 104 penetrate the groove of the cover plate 103 and are evenly and symmetrically distributed on the outer surface of the groove in a rectangular shape. A thermometer 5 is fixedly connected to one side of the outer surface of the driving motor 6, and penetrates downward and is movably connected to the cover plate 103. The upper end of the thermometer 5 is provided with Temperature display screen, the lower end of the thermometer 5 extends to the inner surface of the cover plate 103, and the height is less than the height from the rear end of the electric fan 105 to the inner surface of the groove in the cover plate 103, the temperature display screen 501 displays the temperature inside the low-voltage cabinet, the upper surface of the cover plate 103 is fixedly connected with the drive motor 6, the drive motor 6 is installed with a switch button, one end of the rotating shaft 601 is fixedly connected to the output end of the drive motor 6, and the other end is connected to the cover plate 103 through a bearing, the bearing connection can make the rotating shaft 601 rotate more conveniently, and extends to the inside of the cover plate 103 and is rotatably connected with the electric fan 602, the output end of the motor 6 drives the rotating shaft 601 to rotate, thereby driving the electric fan to rotate;

[0031] A fixing frame 2 is fixedly connected to the upper end of the outer bottom plate 1. The fixing frame 2 is U-shaped. A number of regular protection boxes 3 are fixedly connected to the outer surface of the fixing frame 2. Each protection box 3 has a key structure. One side of the door on the protection box 3 is hinged to the edge of one side of the protection box 3. There is an outer baffle 201 between each upper and lower protection boxes 3. The outer baffle 201 is made of high temperature resistant material, which can increase the independence of the upper and lower layers and increase the safety of the low-voltage cabinet. A number of regular protective sleeves 203 are installed on the inner surface of the fixing frame 2. The line extends from the line inlet on the connecting sleeve 302 to the protective sleeve 203 The protective cover 203 guides the prescribed path to the inner bottom plate 204 and the outer bottom plate 1 to unify them. An inner baffle 202 is arranged between each section of the protective cover 203. The inner baffle 202 is also made of high temperature resistant material, and its effect is the same as that of the outer baffle 201. The lower end of the fixing frame 2 is fixedly connected with the inner bottom plate 204, and a connecting cover 302 is fixedly installed on one side of the inside of the protective box 3. The electrical component 301 is installed on the surface of the connecting cover 302. The front door 401, the side door 403 and the rear door 402 are hinged on one side of the support column 102. All of them are double-opening doors with handles on the doors for easy opening and closing.

[0032] Further as Figure 1 As shown, it is worth explaining in detail that a plurality of universal wheels 101 are installed at the lower end of the outer bottom plate 1 to make the movement of the device more convenient.

[0033] Further as Figure 1 , Figure 4 As shown, it is worth explaining in detail that a groove is opened upward on the lower surface of the cover plate 103, and the height of the groove is slightly higher than the height of the electric fan, which increases the internal space of the low-voltage cabinet and makes installation and maintenance safer.

[0034] Further as Figure 3 As shown, it is worth explaining in detail that each section of the protective cover 203 is movably connected to the inner baffle 202, the uppermost end of the protective cover 203 is closed, and the lowermost end is open, and extends to between the inner bottom plate 204 and the outer bottom plate 1. Each section of the protective cover 203 can be removed and installed separately, which can make it more convenient to repair and install circuits and electrical components.

[0035] Further as Figure 2 As shown, it is worth explaining in detail that a plurality of evenly distributed air outlets 205 are provided on the inner bottom plate 204, which can guide the wind to the outlet holes and reduce the temperature in the low-voltage cabinet.

[0036] Further as Figure 1 , Figure 3As shown, it is worth explaining in detail that the front of the protection box 3 is a swing door design, and the door material is high temperature resistant transparent plastic, which is convenient for observing the internal situation of the protection box 3. A connecting sleeve 302 is fixedly installed on one side of the inside of the protection box 3. A through wire entry hole is opened in the middle of the connecting sleeve 302, and extends to the inside of the protection sleeve 203 to facilitate the installation of electrical components on the connecting sleeve 302. The through wire entry hole can make the layout of the circuit more convenient.

[0037] Further as Figure 1 , Figure 3 As shown, it is worth explaining in detail that fixedly connected handles are provided on one side surface of the front door 401, the side door 403 and the rear door 402, and the lower end of the rear door 402 is in the same plane as the inner bottom plate 204, and the hole between the inner bottom plate 204 and the outer bottom plate 1 is reserved, so that the wiring is more regular, which is convenient for later maintenance and inspection.

[0038] This scheme has the following working process: observe the temperature inside the low-voltage cabinet measured by the thermometer 5 and displayed on the temperature display screen 501. If it is too high, turn on the switch of the drive motor 6, and the output end of the drive motor drives the rotating shaft 601 to rotate, thereby driving the operation of the electric fan 602. The operation of the electric fan circulates the air inside the low-voltage cabinet and the external air, thereby reducing the temperature inside the low-voltage cabinet;

[0039] The outer surface of the fixing frame 2 is fixedly connected with a number of regular protection boxes 3 to improve the utilization rate of the low-voltage cabinet;

[0040] There is an outer baffle 201 between each upper and lower protection boxes 3, and a plurality of regular protection sleeves 203 are installed on the inner surface of the fixing frame 2. An inner baffle 202 is arranged between each section of the protection sleeve 203. The protection sleeve 203 guides the path of the line, making installation and maintenance more convenient and safer.

[0041] The driving motor 6, the electrical component 301 and the thermometer 5 can be purchased on the market. The driving motor 6 is equipped with a power supply, which is a mature technology in this field and has been fully disclosed, so it is not repeated in the specification.

[0042] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A compact pull-out low-voltage cabinet, comprising an outer bottom plate (1) and a rotating shaft (601), characterized in that: A plurality of support columns (102) are fixedly connected at the four corners of the upper end of the outer bottom plate (1), a cover plate (103) is fixedly connected at the upper end of the support column (102), and a plurality of air inlet holes (104) are provided on the outer surface of the cover plate (103); A fixing frame (2), the fixing frame (2) is U-shaped, the lower end of the fixing frame (2) is fixedly connected to an outer bottom plate (1), the outer surface of the fixing frame (2) is fixedly connected to a plurality of regular protection boxes (3), an outer baffle (201) is provided between each upper and lower protection boxes (3), the outer baffle (201) is fixedly connected to the fixing frame (2), a plurality of regular protection sleeves (203) are installed on the inner surface of the fixing frame (2), an inner baffle (202) is provided between each section of the protection sleeve (203), and the lower end of the fixing frame (2) is fixedly connected to an inner bottom plate (204); A protection box (3), a connection sleeve (302) being fixedly mounted on one side of the interior of the protection box (3), and an electrical component (301) being mounted on the surface of the connection sleeve (302); A door (4), the door (4) comprising a front door (401), a side door (403) and a rear door (402) hingedly connected to one side of the support column (102); A thermometer (5), wherein the thermometer (5) is movably connected to a cover plate, and a temperature display screen (501) is provided at the upper end of the thermometer (5); A drive motor (6), one side of the outer surface of the drive motor (6) is fixedly connected to the thermometer (5), one end of the rotating shaft (601) is fixedly connected to the output end of the drive motor (6), and the other end is connected to the cover plate (103) through a bearing and extends to the inside of the cover plate to be rotatably connected to the electric fan (602).

2. A compact pull-out low-voltage cabinet according to claim 1, characterized in that: A plurality of universal wheels (101) are installed at the lower end of the outer bottom plate (1).

3. A compact pull-out low-voltage cabinet according to claim 1, characterized in that: The lower surface of the cover plate (103) is provided with a groove extending upward, and the height of the groove is slightly higher than the height of the electric fan.

4. A compact pull-out low-voltage cabinet according to claim 1, characterized in that: Each section of the protective sleeve (203) is movably connected to an inner baffle (202). The uppermost end of the protective sleeve (203) is closed, while the lowermost end is open and extends between the inner bottom plate (204) and the outer bottom plate (1).

5. The compact pull-out low-voltage cabinet according to claim 1, characterized in that: The inner bottom plate (204) is provided with a plurality of air outlets (205) that are evenly distributed.

6. The compact pull-out low-voltage cabinet according to claim 1, characterized in that: The front of the protection box (3) is designed as a flat door, and a connecting sleeve (302) is fixedly installed on one side of the interior of the protection box (3). A through wire entry hole is opened in the middle of the connecting sleeve (302) and extends to the interior of the protection sleeve (203).

7. The compact pull-out low-voltage cabinet according to claim 1, characterized in that: A fixedly connected handle is provided on one side surface of the front door (401), the side door (403) and the rear door (402), and the lowermost end of the rear door (402) and the inner bottom plate (204) are in the same plane.

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