Detachable high-low voltage cabinet

Abstract

The utility model relates to the technical field of high-low voltage cabinets, and discloses a detachable high-low voltage cabinet, which comprises a cabinet body and an air inlet arranged at the bottom of the cabinet body, and further comprises a filter shell movably arranged in the air inlet, limiting mechanisms are arranged on two sides of the filter shell, and an air outlet is arranged at the top of the cabinet body; the heat dissipation effect is improved by installing the filter shell and the heat dissipation assembly, the filter shell is limited through the limiting mechanism, the limiting state of the filter shell can be changed by changing the form of parts of the limiting mechanism, operation is easy, a filter screen in the filter shell can be conveniently replaced and cleaned, and the situation that the heat dissipation effect is weakened due to excessive dust accumulation is avoided; when the heat dissipation assembly is installed, the positioning mechanisms are matched with the through holes and the positioning grooves to limit the heat dissipation assembly, time and labor are saved, the heat dissipation assembly is convenient to install, and the problems that when an existing high-low voltage cabinet is used, a filter screen cannot be replaced, and the heat dissipation assembly is inconvenient to install are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of high and low voltage cabinets, in particular to a detachable high and low voltage cabinet. Background Art

[0002] As the name suggests, high and low voltage switchgear is equipment for connecting high-voltage or low-voltage cables. Generally, power supply bureaus and substations use high-voltage cabinets, which are then stepped down to low-voltage cabinets, and then to various electricity users. The low-voltage cabinets are nothing more than some switches, circuit breakers and other protective devices assembled into one electrical equipment. The external line first enters the main control switch in 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.

[0003] As a cabinet equipment commonly used for high-voltage or low-voltage power distribution, high- and low-voltage cabinets generate a certain amount of heat during operation, which will affect the service life of the equipment in the cabinet. Therefore, it is necessary to dissipate heat inside the high- and low-voltage cabinets. However, during the long-term use of the high- and low-voltage cabinets, dust will accumulate on the filter net. Most of the filters installed in the existing high- and low-voltage cabinets are fixed, and multiple bolts are required to fix the filter net. The labor is large, and it is inconvenient to disassemble and replace the filter net, nor is it convenient to clean the filter net. Excessive dust accumulation will reduce the heat dissipation efficiency;

[0004] In order to facilitate the heat dissipation of the equipment inside the high and low voltage cabinets, heat dissipation components are generally installed on the high and low voltage cabinets in the prior art. However, the heat dissipation components of the existing high and low voltage cabinets are installed at a high position, and the installation steps are relatively cumbersome. They need to be installed and fixed by bolts, which is troublesome to operate. It is inconvenient for workers to install, time-consuming and labor-intensive, and the installation efficiency is low. Utility Model Content

[0005] The purpose of the utility model is to provide a detachable high and low voltage cabinet to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detachable high and low voltage cabinet, comprising a cabinet body and an air inlet opened at the bottom thereof, and further comprising: a filter shell movable inside the air inlet, both sides of the filter shell are provided with a limiting mechanism, the top of the cabinet body is provided with an air outlet, and both left and right positions on both sides of the top of the inner wall of the cabinet body are provided with positioning grooves, a heat dissipation component is installed inside the air outlet, and both sides of the top of the heat dissipation component are fixedly connected with handles;

[0007] A fixed shell is fixed on both sides of the top of the cabinet, and a movable plate is slidably connected to the inner wall of the fixed shell. Both sides of the top of the movable plate are connected to a positioning shell, and a positioning mechanism is arranged inside the positioning shell. Through holes are opened at the left and right places on the other two sides of the top of the heat dissipation component, and a paddle is fixedly connected in the middle of the top of the movable plate.

[0008] Preferably, the limiting mechanism includes a rotating rod rotating on both sides of the top of the filter shell and fixed blocks fixed on both sides of the bottom of its surface, and also includes a limiting plate fixed on both sides of the bottom of the inner wall of the cabinet and limiting blocks fixed on both sides of the top of its inner wall.

[0009] Preferably, the positioning mechanism includes a positioning rod sliding at the bottom of the interior of the positioning shell and a moving rod fixed to the top thereof, and also includes a snap wrench rotating on the top of the moving rod and a compression spring fixed to the top of the inner wall of the positioning shell.

[0010] Preferably, the limiting plates are located on both sides of the top of the air inlet, and the middle of the limiting plates is hollowed out.

[0011] Preferably, the fixing block is slidably connected to the bottom of the limiting block, and the fixing block and the limiting block have the same shape and are staggered with each other.

[0012] Preferably, the positioning rod is movably connected to the inner walls of the through hole and the positioning groove, and the positioning rod is used in conjunction with the positioning groove and the through hole.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model discloses to improve the heat dissipation effect by installing filter shell and heat dissipation component, and limits the filter shell by limiting the position of the filter shell through the limiting mechanism, and can change the shape of the limiting mechanism component to change the limiting state of the filter shell, and the operation is simple, and it is convenient to replace and clean the filter screen inside the filter shell, and avoid excessive dust accumulation that will weaken the heat dissipation effect. When installing the heat dissipation component, the heat dissipation component is limited by the positioning mechanism in cooperation with the through hole and the positioning groove, which saves time and effort and is convenient for installing the heat dissipation component, and solves the problem that the filter screen cannot be replaced when the current high and low voltage cabinets are in use, and it is inconvenient to install the heat dissipation component. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of a partial three-dimensional structure in the utility model;

[0017] Figure 3 It is a schematic diagram of a partially unfolded three-dimensional cross-sectional structure of the utility model;

[0018] Figure 4 It is a schematic diagram of a partially unfolded three-dimensional structure of the utility model;

[0019] Figure 5 It is a schematic diagram of a partially expanded three-dimensional cross-sectional structure from another viewing angle of the utility model;

[0020] Figure 6It is a schematic diagram of a partially unfolded three-dimensional structure of the utility model;

[0021] Figure 7 For this utility model Figure 5 Schematic diagram of the enlarged structure at point A in the middle.

[0022] In the figure: 1. cabinet; 2. air inlet; 3. filter shell; 4. limiting mechanism; 41. rotating rod; 42. fixed block; 43. limiting plate; 44. limiting block; 5. air outlet; 6. positioning groove; 7. heat dissipation component; 8. handle; 9. fixed shell; 10. movable plate; 11. positioning shell; 12. positioning mechanism; 121. positioning rod; 122. movable rod; 123. buckle wrench; 124. compression spring; 13. through hole; 14. pick. DETAILED DESCRIPTION

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

[0024] See also Figure 1-7As shown, a detachable high and low voltage cabinet comprises a cabinet body 1, the cabinet body 1 is used to connect high voltage or low voltage cables, an air inlet 2 is opened at the bottom of the cabinet body 1, the air inlet 2 is used to allow the air outside the cabinet body 1 to enter the interior of the cabinet body 1 during heat dissipation, a filter shell 3 is movably connected to the inner wall of the air inlet 2, the filter shell 3 is T-shaped, and a filter net is fixedly connected to the bottom of the inner wall of the filter shell 3, the filter shell 3 is used to filter dust when the air is taken in by the air inlet 2, so as to prevent external dust from entering the interior of the cabinet body 1 during heat dissipation and accumulating on circuit devices to cause circuit short circuit, thereby improving safety, limiting mechanisms 4 are arranged on both sides of the filter shell 3, the limiting mechanisms 4 are used to limit the filter shell 3, and when the filter net inside the filter shell 3 needs to be replaced or cleaned, the limit of the filter shell 3 can be released. The filter shell 3 can then be disassembled and replaced, which is convenient for the staff to operate, simple and portable. An air outlet 5 is provided on the top of the cabinet 1. The air outlet 5 is T-shaped and is used to discharge gas. The air outlet 5 is used in conjunction with the filter shell 3 so that the air inside the cabinet 1 can circulate, which is convenient for heat dissipation inside the cabinet 1. Positioning grooves 6 are provided at the left and right locations on both sides of the top of the inner wall of the cabinet 1. The positioning grooves 6 are used to cooperate with internal parts to position the parts on the top of the cabinet 1. A heat dissipation component 7 is installed inside the air outlet 5. The heat dissipation component 7 is movably connected to the top of the cabinet 1. The heat dissipation component 7 is used in conjunction with the air inlet 2 and the air outlet 5. The heat dissipation component 7 is used to dissipate heat from circuit devices inside the cabinet 1, and both sides of the top of the heat dissipation component 7 are fixedly connected There is a handle 8, which is used to provide a force point for the mobile heat dissipation component 7, so that the staff can move and transport the heat dissipation component 7 and install it. Both sides of the top of the cabinet 1 are fixedly connected with fixed shells 9, which are located on both sides of the top of the air outlet 5, and the fixed shells 9 on both sides are symmetrically arranged. The inner wall of the fixed shell 9 is slidably connected with a movable plate 10, and the movable plate 10 is slidably connected to the top of the cabinet 1. The movable plate 10 is used to drive the top parts to move. The movable plate 10 is used in conjunction with the fixed shell 9 to limit it by the fixed shell 9. Both sides of the top of the movable plate 10 are connected with positioning shells 11. The positioning shells 11 are in groups of two and are respectively located on the top of the movable plates 10 on both sides. The positioning shells 11 are used to install parts and position the bottom parts. The positioning shells A positioning mechanism 12 is provided inside 11, and the number of the positioning mechanism 12 is consistent with that of the positioning shell 11, and the components of the positioning mechanism 12 correspond to the positions of the positioning grooves 6. The positioning mechanism 12 is used in conjunction with the bottom parts to position the heat dissipation component 7, which is convenient for the installation of the heat dissipation component 7, and the operation is simple and convenient. Through holes 13 are provided at the left and right places on the other two sides of the top of the heat dissipation component 7. The through holes 13 are used in conjunction with the positioning mechanism 12 and the positioning grooves 6, and when the heat dissipation component 7 is located at the top of the cabinet 1, the positions of the positioning mechanism 12 and the positioning grooves 6 correspond to each other. A paddle 14 is fixedly connected in the middle of the top of the movable plate 10. The paddle 14 is used to facilitate the staff to move the movable plate 10 and the positioning mechanism 12 on its top, provide a force point, and facilitate the movement of the bottom parts.

[0025] The limiting mechanism 4 includes a rotating rod 41 rotating on both sides of the top of the filter shell 3, the rotating rod 41 passes through both sides of the top of the filter shell 3, and both sides of the bottom of the surface of the rotating rod 41 are fixedly connected with fixed blocks 42, and both sides of the bottom of the inner wall of the cabinet 1 are fixedly connected with limiting plates 43, and the limiting plates 43 are located on both sides of the top of the air inlet 2. The middle of the limiting plate 43 is hollowed out, and both sides of the top of the inner wall of the limiting plate 43 are fixedly connected with limiting blocks 44, and one side of the bottom of the limiting block 44 is extended. When the fixing block 42 is embedded in the limiting plate 43, the inner wall of the limiting block 44 is slidably connected to the surface of the rotating rod 41, which is used to block the fixing block 42, and the fixing block 42 is movably connected to the inner wall of the limiting plate 43. The fixed block 42 is slidably connected to the bottom of the limit block 44. The fixed block 42 and the limit block 44 have the same shape and are staggered with each other. When replacing the filter shell 3, the rotating rod 41 is rotated to one side to drive the fixed block 42 to rotate to the position staggered with the limit block 44, and then the filter shell 3 is moved upward to remove the filter shell 3. Similarly, when placing the filter shell 3, the fixed block 42 is aligned with the vacant position inside the limit plate 43 and embedded in the limit plate 43, and then the rotating rod 41 is rotated to the other side to make the fixed block 42 coincide with the bottom of the limit block 44 to limit the filter shell 3, so that the filter shell 3 can be replaced, avoiding dust from adhering to the surface of the filter screen at the bottom of the filter shell 3 and affecting the heat dissipation effect, and the operation is simple and convenient.

[0026] The positioning mechanism 12 includes a positioning rod 121 that slides inside the positioning shell 11. The positioning rod 121 is movably connected to the inner wall of the through hole 13 and the positioning groove 6. The top of the positioning rod 121 is fixedly connected to a moving rod 122. The surface of the moving rod 122 is slidably connected to the top opening of the positioning shell 11. The top of the moving rod 122 is rotatably connected to a buckle wrench 123. The bottom of the buckle wrench 123 is slidably connected to the top of the positioning shell 11. The top of the inner wall of the positioning shell 11 is fixedly connected to a compression spring 124. The bottom of the compression spring 124 is connected to the positioning rod 121. The top of the heat sink 7 is fixedly connected, and the compression spring 124 is slidably connected to the surface of the moving rod 122. When the heat sink 7 is positioned, under the action of the compression spring 124, the moving rod 122 is pushed downward by pulling the buckle wrench 123, driving the positioning rod 121 to pass through the through hole 13 and descend to the inside of the positioning groove 6, and synchronously operate the four positioning mechanisms 12 to position the two sides of the heat sink 7, effectively avoiding the position of the heat sink 7 during use. Changes are convenient for the staff to install the heat sink 7, and it is also convenient to disassemble when maintenance is required.

[0027] It is worth noting that the cabinet 1 and the heat dissipation assembly 7 proposed in this technical solution are prior arts, and their working principles and beneficial effects when used are not described in detail here.

[0028] Working principle: First, when the filter housing 3 needs to be replaced, open the cabinet door of the cabinet body 1, then rotate the rotating rod 41 to one side to synchronously drive the fixing block 42 to rotate so that it is staggered with the position of the limit block 44, then take out the filter housing 3 to be replaced, and when placing another filter housing 3, make the fixing block 42 correspond to the vacant position inside the limit plate 43, then put the filter housing 3 into the air inlet 2, rotate the rotating rod 41 in the opposite direction, so that the position of the fixing block 42 overlaps with the limit block 44, that is, the replacement is completed, and when installing the heat dissipation component 7, put it into the air outlet 5 so that the through hole 1 3 corresponds to the position of the positioning groove 6, and then the paddles 14 on both sides are pushed inward in turn to move the movable plate 10 to both sides of the top of the heat dissipation component 7, and then the buckle wrench 123 is pulled down. Under the action of the compression spring 124, the movable rod 122 drives the positioning rod 121 to pass through the through hole 13 and descend to the inside of the positioning groove 6, and the four positioning mechanisms 12 are operated in turn to position the heat dissipation component 7 to prevent the heat dissipation component 7 from being changed in position due to external factors during use. Subsequently, the heat dissipation component 7 can be opened to dissipate the circuit devices inside the cabinet 1.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detachable high and low voltage cabinet, comprising a cabinet body (1) and an air inlet (2) opened at the bottom thereof, characterized in that: Also includes: A filter housing (3) is movable inside the air inlet (2), and limiting mechanisms (4) are arranged on both sides of the filter housing (3); an air outlet (5) is provided on the top of the cabinet (1), and positioning grooves (6) are provided at two left and right locations on both sides of the top of the inner wall of the cabinet (1); a heat dissipation component (7) is installed inside the air outlet (5), and handles (8) are fixedly connected to both sides of the top of the heat dissipation component (7); A fixed shell (9) is fixed on both sides of the top of the cabinet (1), the inner wall of the fixed shell (9) is slidably connected to a movable plate (10), both sides of the top of the movable plate (10) are connected to a positioning shell (11), a positioning mechanism (12) is arranged inside the positioning shell (11), through holes (13) are opened at the left and right positions of the other two sides of the top of the heat dissipation component (7), and a paddle (14) is fixedly connected in the middle of the top of the movable plate (10).

2. The detachable high and low voltage cabinet according to claim 1 is characterized in that: The limiting mechanism (4) comprises a rotating rod (41) rotating on both sides of the top of the filter housing (3) and a fixing block (42) fixed on both sides of the bottom of the surface thereof, and also comprises a limiting plate (43) fixed on both sides of the bottom of the inner wall of the cabinet (1) and a limiting block (44) fixed on both sides of the top of the inner wall thereof.

3. The detachable high and low voltage cabinet according to claim 1 is characterized in that: The positioning mechanism (12) comprises a positioning rod (121) sliding at the bottom of the interior of the positioning shell (11) and a moving rod (122) fixed at the top thereof, and also comprises a snap wrench (123) rotating at the top of the moving rod (122) and a compression spring (124) fixed at the top of the inner wall of the positioning shell (11).

4. The detachable high and low voltage cabinet according to claim 2 is characterized in that: The limiting plates (43) are located on both sides of the top of the air inlet (2), and the middle of the limiting plates (43) is hollowed out.

5. The detachable high and low voltage cabinet according to claim 2 is characterized in that: The fixing block (42) is slidably connected to the bottom of the limiting block (44), and the fixing block (42) and the limiting block (44) have the same shape and are staggered with each other.

6. The detachable high and low voltage cabinet according to claim 3 is characterized in that: The positioning rod (121) is movably connected to the inner wall of the through hole (13) and the positioning groove (6), and the positioning rod (121) is used in conjunction with the positioning groove (6) and the through hole (13).

Images