Handcart switch cabinet

Abstract

The utility model relates to a handcart switch cabinet, which belongs to the field of switch cabinets, and comprises a switch cabinet body, the left side of the switch cabinet body is rotatably connected with a cabinet door through a hinge, the front side of the cabinet door is provided with a visual window, the top wall of the inner cavity of the switch cabinet body is provided with a heat dissipation mechanism, and the bottom wall of the inner cavity of the switch cabinet body is provided with a fixing mechanism. According to the handcart switch cabinet, the fan can be started through the speed regulation control panel by opening the cabinet door, the cabinet door can be closed after the fan is started, the fan conveys air on the outer side into the fixed cylinder after the air is filtered through the first filter screen, and then the air flows into the air outlet plate and is exhausted through at least two air outlet nozzles. According to the utility model, the switch cabinet body is arranged, then equipment in the switch cabinet body can be uniformly cooled, a fan of the fan can be adjusted by operating the speed regulation control panel so as to cool the equipment in the switch cabinet body at a proper wind speed, the heat dissipation effect is good, and the operation stability of the equipment in the handcart switch cabinet can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a trolley switch cabinet. Background Art

[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet 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. Some also have high-voltage and low-voltage switch cabinets, with high-voltage busbars, such as power plants, etc. Some are also equipped with low-frequency load shedding to protect the main equipment.

[0003] For example, Chinese patent CN219627219U discloses a trolley switch cabinet, which relates to the technical field of switch cabinet production, including a cabinet body, a trolley support seat is arranged inside the cabinet body, a nut block is fixed at the bottom of the trolley support seat, a fixed plate is installed at the bottom of the nut block, a first pulley is installed inside the fixed plate, a sliding plate is installed on one side of the fixed plate, a second pulley is arranged on one side of the sliding plate, there are multiple groups of the second pulleys, and the multiple groups of the second pulleys are linearly distributed on the side of the fixed plate, a screw rod is connected inside the nut block, and a turning handle is fixedly installed on one end of the screw rod. The utility model achieves the effect of limiting by arranging the sliding plate and the second pulley, so that the sliding plate slides on the multiple groups of the second pulleys, thereby solving the problem in the prior art that the trolley is easily damaged by colliding with the internal components of the cabinet body when it is moved out of the switch cabinet, thereby realizing the function of limiting movement of the trolley switch cabinet.

[0004] Although the above patent solves the problem in the prior art that the trolley is easily damaged by collision with internal components of the cabinet when being moved out of the switch cabinet, thereby realizing the function of limited movement of the trolley switch cabinet, the equipment inside the trolley switch cabinet in this patent will generate a certain amount of heat when it is running. Since the internal air circulation of the trolley switch cabinet is average, the heat dissipation effect is average, which reduces the stability of the operation of the equipment inside the trolley switch cabinet. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a trolley switch cabinet, which has the advantages of good heat dissipation effect and improved stability of the operation of the equipment inside the trolley switch cabinet. It solves the problem that a certain amount of heat will be generated when the equipment inside the trolley switch cabinet is running. Since the internal air circulation of the trolley switch cabinet is general, the heat dissipation effect is general, which reduces the problem of the stability of the operation of the equipment inside the trolley switch cabinet.

[0006] To achieve the above object, the utility model provides the following technical solutions: a trolley switch cabinet, comprising a switch cabinet body, a cabinet door is rotatably connected to the left side of the switch cabinet body through a hinge, a visual window is arranged on the front of the cabinet door, a heat dissipation mechanism is arranged on the top wall of the inner cavity of the switch cabinet body, and a fixing mechanism is arranged on the bottom wall of the inner cavity of the switch cabinet body;

[0007] The heat dissipation mechanism includes an air outlet plate, no less than two air outlet nozzles, a connecting pipe, a fixing port, a fixing cylinder and a connecting assembly, the air outlet plate is arranged on the top wall of the inner cavity of the switch cabinet body, the no less than two air outlet nozzles are connected to the lower surface of the air outlet plate, the top end of the connecting pipe is connected to the right side of the lower surface of the air outlet plate, the fixing port is opened on the upper side of the right side of the switch cabinet body, and the fixing cylinder is fixed inside the fixing port.

[0008] By adopting this technical solution, the heat dissipation effect is good and the stability of the operation of the internal equipment of the trolley switch cabinet is improved.

[0009] Furthermore, heat dissipation openings are provided on the lower sides of the left and right sides of the switch cabinet body, and a second filter is provided inside the heat dissipation openings.

[0010] By adopting this technical solution, air can be exhausted through the heat dissipation ports on the left and right sides.

[0011] Furthermore, the connecting assembly includes a fan, a first filter, a conical guide frame and a speed control panel, the fan is fixed inside the fixed cylinder, the first filter is assembled inside the fixed cylinder, the first filter is located on the right side of the fan, the conical guide frame is connected to the left side of the fixed cylinder, the right side of the connecting pipe is connected to the left side of the conical guide frame, the speed control panel is arranged on the back wall of the inner cavity of the switch cabinet body, and the speed control panel is electrically connected to the fan through a wire.

[0012] By adopting this technical solution, the wind speed of the fan can be adjusted by operating the speed control panel.

[0013] Furthermore, the air outlet nozzles, which are not less than two in number, are evenly distributed on the lower surface of the air outlet plate.

[0014] By adopting this technical solution, the uniformity of heat dissipation of equipment inside the switch cabinet body can be improved through at least two air outlets.

[0015] Furthermore, the fixing mechanism includes a fixing plate, two limiting slide grooves, two sliders, a mounting plate, three trolley contact arms, three trolley contacts and a clamping assembly, the fixing plate is fixed to the bottom wall of the inner cavity of the switch cabinet body, the two limiting slide grooves are both opened on the left and right sides of the upper surface of the fixing plate, the slider is slidably connected inside the limiting slide groove, the two sliders are both fixed on the left and right sides of the lower surface of the mounting plate, the three trolley contact arms are all arranged on the front side of the mounting plate, the trolley contact is installed at one end of the trolley contact arm, and the back side of the mounting plate is in contact with the back wall of the inner cavity of the switch cabinet body.

[0016] By adopting this technical solution, it is easier to maintain the opponent's vehicle and improve practicality.

[0017] Furthermore, the locking assembly includes four slots, four latches and two limit plates. The four slots are opened on the upper and lower sides of the left and right sides of the mounting plate. The four latches are arranged on the upper and lower sides of the left and right sides of the back wall of the inner cavity of the switch cabinet body. The outer sides of the opposite sides of the left and right latches are slidably inserted into the inside of the left and right slots. The two limit plates are fixed on the left and right sides of the back wall of the inner cavity of the switch cabinet body. The opposite sides of the left and right limit plates are fitted with the left and right sides of the mounting plate.

[0018] By adopting this technical solution, the installation plate can be fixed on the back wall of the inner cavity of the switch cabinet body by sliding the left and right side pins on the outer sides of the opposite sides into the inside of the left and right side slots.

[0019] Furthermore, the sliding block moves linearly forward and backward inside the limiting sliding groove, and the fixing plate is located on the longitudinal center axis of the switch cabinet body.

[0020] By adopting this technical solution, the forward and backward movement of the mounting plate can be limited by the mutual cooperation between the left and right side sliders and the limiting slide grooves.

[0021] Furthermore, the limit plates on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the switch cabinet body.

[0022] By adopting this technical solution, the left and right limit plates can limit the left and right side positions of the mounting plate.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The handcart switch cabinet can start the fan through the speed control panel by opening the cabinet door. After starting, the cabinet door can be closed. The fan filters the outside air through the first filter and then transports it to the inside of the fixed cylinder. Then it flows to the inside of the air outlet plate and is discharged through no less than two air outlets. Then, the equipment inside the switch cabinet body can be evenly cooled. The fan of the fan can be adjusted by operating the speed control panel so that the appropriate wind speed can be used to cool the equipment inside the switch cabinet body. The heat dissipation effect is good, which can improve the stability of the operation of the equipment inside the handcart switch cabinet.

[0025] 2. The trolley switch cabinet can move the outer sides of the left and right side pins out of the left and right side slots by pulling the left and right side pins in opposite directions. At this time, the mounting plate can be pushed forward, and the three trolley contact arms and the three trolley contacts can be moved to the outside of the switch cabinet body. The limit slide grooves on the left and right sides can limit the sliding of the slider, thereby facilitating the maintenance of the trolley and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the heat dissipation mechanism of the utility model;

[0028] Figure 3 This is a schematic diagram of the fixing mechanism of the utility model;

[0029] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;

[0030] Figure 5 It is a three-dimensional schematic diagram of the switch cabinet body and the mounting plate of the utility model.

[0031] In the figure: 1. switch cabinet body; 2. cabinet door; 3. visual window; 4. heat dissipation mechanism; 41. air outlet plate; 42. air outlet nozzle; 43. connecting pipe; 44. fixing port; 45. fixing cylinder; 46. connecting assembly; 461. fan; 462. first filter; 463. conical guide frame; 464. speed control panel; 5. fixing mechanism; 51. fixing plate; 52. limiting slide groove; 53. slider; 54. mounting plate; 55. trolley contact arm; 56. trolley contact; 57. engaging assembly; 571. slot; 572. latch; 573. limiting plate; 6. heat dissipation port; 7. second filter. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figure 1 A trolley switch cabinet in this embodiment includes a switch cabinet body 1. The left side of the switch cabinet body 1 is rotatably connected with a cabinet door 2 through a hinge. A visual window 3 is arranged on the front of the cabinet door 2. A heat dissipation mechanism 4 is arranged on the top wall of the inner cavity of the switch cabinet body 1. The heat dissipation mechanism 4 has a good heat dissipation effect and improves the stability of the operation of the internal equipment of the trolley switch cabinet. A fixing mechanism 5 is arranged on the bottom wall of the inner cavity of the switch cabinet body 1. The fixing mechanism 5 is convenient for maintenance of the trolley and improves practicality.

[0034] In this embodiment, heat dissipation openings 6 are provided on the lower sides of the left and right sides of the switch cabinet body 1 , and a second filter screen 7 is provided inside the heat dissipation opening 6 .

[0035] See also Figure 2 In order to achieve a good heat dissipation effect and improve the stability of the operation of the internal equipment of the trolley switch cabinet, in this embodiment, the heat dissipation mechanism 4 includes an air outlet plate 41, at least two air outlet nozzles 42, a connecting pipe 43, a fixing port 44, a fixing cylinder 45 and a connecting component 46. The air outlet plate 41 is arranged on the top wall of the inner cavity of the switch cabinet body 1, and at least two air outlet nozzles 42 are connected to the lower surface of the air outlet plate 41. The top end of the connecting pipe 43 is connected to the right side of the lower surface of the air outlet plate 41. The fixing port 44 is opened on the upper side of the right side of the switch cabinet body 1, and the fixing cylinder 45 is fixed inside the fixing port 44.

[0036] In this embodiment, the connecting component 46 includes a fan 461, a first filter 462, a conical guide frame 463 and a speed control panel 464. The fan 461 is fixed inside the fixed cylinder 45, and the first filter 462 is assembled inside the fixed cylinder 45. The first filter 462 is located on the right side of the fan 461. The fan 461 can be started through the speed control panel 464 by opening the cabinet door 2. After starting, the cabinet door 2 can be closed. The fan 461 filters the outside air through the first filter 462 and then transports it to the inside of the fixed cylinder 45, and then flows through the conical guide frame 463 and the connecting pipe 43 to the inside of the air outlet plate 41 and then is discharged through no less than two air outlet nozzles 42, and then the equipment inside the switch cabinet body 1 can be evenly cooled.

[0037] In this embodiment, the conical guide frame 463 is connected to the left side of the fixed cylinder 45, the right side of the connecting tube 43 is connected to the left side of the conical guide frame 463, the speed control panel 464 is arranged on the back wall of the inner cavity of the switch cabinet body 1, and the speed control panel 464 is electrically connected to the fan 461 through a wire, and at least two air outlet nozzles 42 are evenly distributed on the lower surface of the air outlet plate 41.

[0038] It should be noted that the air flowing inside the switch cabinet body 1 is discharged through the left and right side heat dissipation ports 6. By operating the speed control panel 464, the fan of the fan 461 can be adjusted so that the appropriate wind speed can be used to dissipate heat for the equipment inside the switch cabinet body 1. The heat dissipation effect is good, which can improve the stability of the operation of the equipment inside the trolley switch cabinet.

[0039] See also Figure 3-5 In order to facilitate the maintenance of the trolley and improve practicality, in this embodiment, the fixing mechanism 5 includes a fixing plate 51, two limiting slide grooves 52, two sliders 53, a mounting plate 54, three trolley contact arms 55, three trolley contacts 56 and a clamping assembly 57. The fixing plate 51 is fixed to the bottom wall of the inner cavity of the switch cabinet body 1, and the two limiting slide grooves 52 are both opened on the left and right sides of the upper surface of the fixing plate 51.

[0040] In this embodiment, the slider 53 is slidably connected to the inside of the limiting slide groove 52, and the two sliders 53 are fixed on the left and right sides of the lower surface of the mounting plate 54. The three trolley contact arms 55 are all arranged on the front of the mounting plate 54, and the trolley contact 56 is installed at one end of the trolley contact arm 55. The back side of the mounting plate 54 is in contact with the back wall of the inner cavity of the switch cabinet body 1.

[0041] In this embodiment, the locking assembly 57 includes four slots 571, four latches 572 and two limit plates 573. The four slots 571 are all opened on the upper and lower sides of the left and right sides of the mounting plate 54. The four latches 572 are all arranged on the upper and lower sides of the left and right sides of the back wall of the inner cavity of the switch cabinet body 1. The outer sides of the left and right side latches 572 on the opposite sides are slidably inserted into the interior of the left and right side slots 571. By pulling the left and right side latches 572 in opposite directions, the outer sides of the left and right side latches 572 on the opposite sides are moved out of the interior of the left and right side slots 571. At this time, the mounting plate 54 can be pushed forward, and then the left and right side sliders 53 slide inside the left and right side limit slide grooves 52.

[0042] In this embodiment, the two limit plates 573 are fixed on the left and right sides of the back wall of the inner cavity of the switch cabinet body 1, and the opposite sides of the left and right limit plates 573 are in contact with the left and right sides of the mounting plate 54. The slider 53 moves linearly back and forth inside the limit slide groove 52. The fixed plate 51 is located on the longitudinal center axis of the switch cabinet body 1, and the left and right limit plates 573 are symmetrically distributed on the left and right sides of the longitudinal center axis of the switch cabinet body 1.

[0043] It should be noted that the three trolley contact arms 55 and the three trolley contacts 56 are moved to the outside of the switch cabinet body 1, and the limiting slide grooves 52 on the left and right sides can limit the sliding of the slider 53, thereby facilitating the maintenance of the trolley and improving practicality.

[0044] The working principle of the above embodiment is:

[0045] (1) By opening the cabinet door 2, the fan 461 can be started through the speed control panel 464. After starting, the cabinet door 2 can be closed. The fan 461 filters the outside air through the first filter 462 and then transports it to the inside of the fixed cylinder 45. The air then flows through the conical guide frame 463 and the connecting pipe 43 to the inside of the air outlet plate 41 and is then discharged through no less than two air outlet nozzles 42. Then, the equipment inside the switch cabinet body 1 can be evenly cooled. The air flowing inside the switch cabinet body 1 is discharged through the left and right heat dissipation ports 6. By operating the speed control panel 464, the fan of the fan 461 can be adjusted so that the appropriate wind speed can be used to dissipate the heat of the equipment inside the switch cabinet body 1. The heat dissipation effect is good, which can improve the stability of the operation of the equipment inside the trolley switch cabinet.

[0046] (2) By pulling the left and right side pins 572 in opposite directions, the outer sides of the left and right side pins 572 are moved out of the left and right side slots 571. At this time, the mounting plate 54 can be pushed forward, and then the left and right side sliders 53 slide inside the left and right side limiting slots 52. The three trolley contact arms 55 and the three trolley contacts 56 are moved to the outside of the switch cabinet body 1. The left and right side limiting slots 52 can limit the sliding of the sliders 53, thereby facilitating the maintenance of the trolley and improving practicality.

Claims

1. A trolley switch cabinet, comprising a switch cabinet body (1), characterized in that: The left side of the switch cabinet body (1) is rotatably connected to a cabinet door (2) via a hinge, a visual window (3) is provided on the front of the cabinet door (2), a heat dissipation mechanism (4) is provided on the top wall of the inner cavity of the switch cabinet body (1), and a fixing mechanism (5) is provided on the bottom wall of the inner cavity of the switch cabinet body (1); The heat dissipation mechanism (4) comprises an air outlet plate (41), at least two air outlet nozzles (42), a connecting pipe (43), a fixing port (44), a fixing cylinder (45) and a connecting assembly (46); the air outlet plate (41) is arranged on the top wall of the inner cavity of the switch cabinet body (1); the at least two air outlet nozzles (42) are connected to the lower surface of the air outlet plate (41); the top end of the connecting pipe (43) is connected to the right side of the lower surface of the air outlet plate (41); the fixing port (44) is opened on the upper side of the right side of the switch cabinet body (1); and the fixing cylinder (45) is fixed inside the fixing port (44).

2. A trolley switch cabinet according to claim 1, characterized in that: The lower sides of the left and right sides of the switch cabinet body (1) are both provided with heat dissipation openings (6), and a second filter screen (7) is arranged inside the heat dissipation opening (6).

3. A trolley switch cabinet according to claim 1, characterized in that: The connecting assembly (46) comprises a fan (461), a first filter (462), a conical flow guide frame (463) and a speed control panel (464); the fan (461) is fixed inside a fixed cylinder (45); the first filter (462) is mounted inside the fixed cylinder (45); the first filter (462) is located on the right side of the fan (461); the conical flow guide frame (463) is connected to the left side of the fixed cylinder (45); the right side of the connecting pipe (43) is connected to the left side of the conical flow guide frame (463); the speed control panel (464) is arranged on the back wall of the inner cavity of the switch cabinet body (1); and the speed control panel (464) is electrically connected to the fan (461) via a wire.

4. A trolley switch cabinet according to claim 1, characterized in that: The air outlet nozzles (42), numbering not less than two, are evenly distributed on the lower surface of the air outlet plate (41).

5. The trolley switch cabinet according to claim 1, characterized in that: The fixing mechanism (5) comprises a fixing plate (51), two limiting slide grooves (52), two sliders (53), a mounting plate (54), three trolley contact arms (55), three trolley contacts (56) and a clamping assembly (57); the fixing plate (51) is fixed to the bottom wall of the inner cavity of the switch cabinet body (1); the two limiting slide grooves (52) are both arranged on the left and right sides of the upper surface of the fixing plate (51); the sliders (53) are slidably connected inside the limiting slide grooves (52); the two sliders (53) are both fixed on the left and right sides of the lower surface of the mounting plate (54); the three trolley contact arms (55) are all arranged on the front side of the mounting plate (54); the trolley contact (56) is mounted on one end of the trolley contact arm (55); and the back side of the mounting plate (54) is in contact with the back wall of the inner cavity of the switch cabinet body (1).

6. A trolley switch cabinet according to claim 5, characterized in that: The locking assembly (57) comprises four locking slots (571), four latches (572) and two limit plates (573); the four locking slots (571) are arranged on the upper and lower sides of the left and right sides of the mounting plate (54); the four latches (572) are arranged on the upper and lower sides of the left and right sides of the back wall of the inner cavity of the switch cabinet body (1); the outer sides of the opposite sides of the left and right latches (572) are slidably inserted into the inside of the left and right locking slots (571); the two limit plates (573) are fixed on the left and right sides of the back wall of the inner cavity of the switch cabinet body (1); and the opposite sides of the left and right limit plates (573) are in contact with the left and right sides of the mounting plate (54).

7. A trolley switch cabinet according to claim 5, characterized in that: The sliding block (53) moves linearly forward and backward inside the limiting sliding groove (52), and the fixing plate (51) is located on the longitudinal center axis of the switch cabinet body (1).

8. The trolley switch cabinet according to claim 6, characterized in that: The limit plates (573) on the left and right sides are symmetrically distributed on the left and right sides of the longitudinal center axis of the switch cabinet body (1).

Images