A control cabinet heat dissipation device

Abstract

This utility model discloses a heat dissipation device for a control cabinet, comprising: louvers, adjusting components, a tensioning unit, a fan, and a sensing unit respectively disposed at each air vent of the cabinet; the blades of each louver are rotatably disposed in the corresponding air vent; the adjusting components include a control component and a traction rope respectively disposed within the cabinet; the traction rope is connected to each blade, and one end of the traction rope is connected to the control component; the tensioning unit is disposed within the cabinet and connected to the other end of the traction rope; the fan is disposed at the air outlet; and the sensing unit is disposed within the cabinet and signal-connected to the control component. In this utility model, based on the actual temperature inside the cabinet detected by the sensing unit, the control component and the tensioning unit cooperate to maintain the tension of the traction rope while simultaneously releasing and tightening it, thereby causing the traction rope to move relative to the cabinet and drive each blade to rotate synchronously, changing the angle of each blade. This allows for adjustment of the airflow volume of each air vent according to the temperature inside the cabinet, improving adaptability.

Description

Technical Field

[0001] This utility model relates to the field of control cabinet technology, and in particular to a heat dissipation device for control cabinets. Background Technology

[0002] In the daily operation of thermal power plants, the local control cabinet serves as the core of control for critical equipment, and its stability and reliability are crucial to the entire production process.

[0003] To facilitate heat dissipation inside the control cabinet, ventilation holes are usually opened on the outer shell of the control cabinet. At the same time, louvers are installed at the ventilation openings to prevent dust, water droplets and other impurities from entering the cabinet. However, the existing control cabinet louvers are usually fixed structures, and their blades are not easy to adjust, so the ventilation volume is constant. When the outside temperature or the temperature inside the cabinet changes, conventional fixed louvers cannot provide the best heat dissipation flow and have limited adaptability. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned shortcomings by providing a control cabinet heat dissipation device that allows for adjustment of the opening and closing angle of the louvers to control the ventilation volume and improve adaptability.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a control cabinet heat dissipation device, comprising: louvers respectively installed at the air outlet and air inlet of the cabinet, an adjustment component, a tensioning unit, a fan and a sensing unit; Each louver's blades are individually rotated and positioned within its corresponding air vent. The adjustment component includes a control assembly and a traction rope respectively installed inside the cabinet; The traction rope is connected to each of the blades, and one end of the rope is connected to the control component. The tensioning unit is installed inside the cabinet and connected to the other end of the traction rope. It is used to provide tension to the traction rope and cooperate with the control component to retract and extend the traction rope. The fan is located at the air outlet and is used to exhaust the gas inside the cabinet; The sensing unit is installed inside the cabinet and is connected to the control component via a signal connection. It is used to detect the temperature inside the cabinet and send corresponding signals to the control component.

[0006] Furthermore, each blade is provided with a connecting rod at its eccentric end, and each connecting rod has multiple threading grooves for the traction rope to pass through. Each of the connecting rods is detachably provided with a cable harness to prevent the traction rope from accidentally separating from the corresponding connecting rod.

[0007] Furthermore, a slot is provided at one end of the connecting rod; The wire harness component includes a separable constraint block, a plug block, and an elastic unit inserted into the connecting rod; The plug-in block is slidably inserted into the constraint block and corresponds to the slot. The elastic unit is disposed between the constraint block and the plug block, and is used to apply an elastic force to the plug block in the direction of approaching the slot.

[0008] Furthermore, the control component includes a power unit, gears, racks, and a winding rod; The power unit is located inside the cabinet, and its moving end is connected to the gear to drive the gear to rotate. The rack is vertically slidably mounted on the inner wall of the cabinet and meshes with the gear, and its bottom is connected to the winding rod. The winding rod is connected to one end of the traction rope.

[0009] Furthermore, the tensioning unit includes a take-up roller rotatably disposed within the cabinet and located at the end furthest from the power unit; The other end of the traction rope is wound around the take-up roller; A torsion spring is provided at the connection between the take-up roller and the cabinet to provide the torsion force for tightening the traction rope.

[0010] The beneficial effects of this utility model are reflected in: This invention uses a sensing unit to detect the actual temperature inside the cabinet. The control component works in conjunction with the tensioning unit to maintain the tension of the traction rope while simultaneously releasing and retracting it. This causes the traction rope to move relative to the cabinet and drive each blade to rotate synchronously, changing the angle of each blade. This allows the airflow from each vent to be adjusted according to the temperature inside the cabinet. When the components inside the cabinet are no longer in operation, the control component further retracts the traction rope, causing each blade to close its corresponding vent, reducing the amount of impurities entering the cabinet and improving adaptability. Attached Figure Description

[0011] Figure 1 This is a perspective view of a control cabinet heat dissipation device according to the present invention; Figure 2 This is a cross-sectional view of a control cabinet heat dissipation device according to the present invention; Figure 3 for Figure 2 Enlarged view at point A in the middle; Figure 4 This is a structural view of the wire harness component; Figure 5 This is a cross-sectional view of the wire harness component.

[0012] In the picture: 1. Blade; 2. Adjustment component; 21. Control component; 211. Power unit; 212. Gear; 213. Rack; 214. Winding rod; 22. Traction rope; 3. Take-up roller; 4. Fan; 5. Sensing unit; 6. Connecting rod; 61. Threading groove; 62. Insertion groove; 63. Groove opening; 7. Wire harness component; 71. Constraint block; 711. Constraint plate; 72. Insertion block; 73. Elastic unit. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0014] Please see Figure 1-5 This utility model discloses a heat dissipation device for a control cabinet, comprising: louvers respectively installed at the air outlet and air inlet of the cabinet, an adjustment component 2, a tensioning unit, a fan 4, and a sensing unit 5; Each louver blade 1 is rotated and installed in its corresponding air vent to adjust the air intake volume. The adjustment component 2 includes a control assembly 21 and a traction rope 22, which are respectively disposed inside the cabinet and located on its top. The traction rope 22 is connected to each blade 1, and one end of it is connected to the control component 21. The traction rope 22 is used to control the rotation angle of each blade 1. The tensioning unit is located inside the cabinet and is wound and connected to the other end of the traction rope 22. It is used to provide tension to the traction rope 22 and cooperates with the control component 21 to retract and extend the traction rope 22. The fan 4 is located at the air outlet and is used to exhaust the gas inside the cabinet; The sensing unit 5 is installed inside the cabinet and is connected to the control unit (not shown in the figure). The control unit is connected to the control component 21. The sensing unit 5 is used to detect the temperature inside the cabinet and send a corresponding signal to the control component 21.

[0015] In practice, when the components inside the cabinet are working, the fan 4 starts and introduces external airflow into the cabinet through the air inlet so that it can exchange heat with the components, and then discharges it from the cabinet through the air outlet. When the sensing unit 5 detects that the temperature inside the cabinet deviates from the predetermined value, the sensing unit 5 sends a corresponding signal to the control unit. The control unit receives the signal and loosens or winds up the traction rope 22 through the control component 21. At this time, the tensioning unit cooperates with the control component 21 to wind up and loosen the traction rope 22 accordingly. While maintaining the tension of the traction rope 22, it drives each blade 1 to rotate synchronously, thereby synchronously adjusting the air volume of the air outlet and the air inlet, so that the air volume corresponds to the actual ambient temperature. When the components inside the cabinet are no longer working, the control component 21 retracts the traction rope 22, causing it to drive the inner side of each blade 1 to rotate upward until the head and tail of each blade 1 on each air outlet contact each other in sequence, thereby closing each air outlet and reducing the entry of impurities into the cabinet.

[0016] In this invention, the actual temperature inside the cabinet is detected by the sensing unit 5. The control component 21 works in conjunction with the tensioning unit to maintain the tension of the traction rope 22 while simultaneously winding and unwinding the traction rope 22. This causes the traction rope 22 to move relative to the cabinet and drive each blade 1 to rotate synchronously, thereby changing the angle of each blade 1. This allows the airflow of each vent to be adjusted according to the temperature inside the cabinet. When the components inside the cabinet are no longer working, the control component 21 further winds up the traction rope 22. This causes each blade 1 to close its corresponding vent, reducing the amount of impurities entering the cabinet and improving adaptability.

[0017] In one embodiment, each blade 1 is provided with a connecting rod 6 on the same side eccentric end. Each connecting rod 6 is provided with multiple threading grooves 61 for the traction rope 22 to pass through. The traction rope 22 passes through each threading groove 61 in an "S" shape. When the traction rope 22 moves, it drives the corresponding blade 1 to rotate through the connecting rod 6. Each connecting rod 6 is detachably provided with a wire harness 7. When the wire harness 7 is connected to the connecting rod 6, it is used to prevent the traction rope 22 from accidentally separating from the corresponding connecting rod 6.

[0018] With this design, when laying the traction rope 22, the workers will thread the corresponding ends of the traction rope 22 through each wire groove 61 in an "S" shape, and then connect the corresponding wire harness 7 to the corresponding connecting rod 6 to prevent the traction rope 22 from accidentally detaching from the connecting rod 6. The workers will then thread the traction rope 22 through the wire groove 61 on each connecting rod 6 in sequence and constrain the traction rope 22 through the corresponding wire harness 7 until the corresponding ends of the traction rope 22 are connected to the tensioning unit. Compared to traditional winding and clamping methods, the combination of the wire groove 61 and the wire harness component 7 can improve the laying efficiency of the traction rope 22 and enhance the connection stability between the traction rope 22 and each blade 1.

[0019] In one embodiment, one end of the connecting rod 6 is provided with a plug groove 62, and each wire groove 61 is distributed in the corresponding plug groove 62. A groove opening 63 is provided on one side of the groove wall of the plug groove 62. The wire harness component 7 includes a separable constraint block 71 inserted into the insertion slot 62, and one end of the constraint block 71 is provided with a constraint plate 711; The end of the constraint block 71 away from the constraint plate 711 is slidably inserted with a plug-in block 72 corresponding to the slot 63. When the constraint plate 711 is inserted into the plug-in slot 62 and the plug-in block 72 is inserted into the slot 63, the constraint plate 711 and the plug-in block 72 cooperate to constrain the movement of the constraint block 71. An elastic unit 73 is also provided between the constraint block 71 and the plug-in block 72, which is used to apply an elastic force to the plug-in block 72 in the direction close to the slot 63; With this design, after the traction rope 22 passes through each wire groove 61, the worker first inserts the constraint plate 711 end of the constraint block 71 into the insertion groove 62 and pulls the insertion block 72 to retract it into the constraint block 71. At this time, the elastic unit 73 is compressed. Subsequently, the worker inserts the constraint block 71 into the insertion groove 62. At this time, the constraint block 71 presses down on the traction rope 22, and the insertion block 72 corresponds to the groove opening 63. The worker releases the insertion block 72, the elastic unit 73 loses its constraint, and the insertion block 72 extends out of the constraint block 71 until the insertion block 72 is inserted into the groove opening 63, thereby preventing the constraint block 71 from accidentally separating from the connecting rod 6.

[0020] In one embodiment, the control component 21 includes a power unit 211 disposed at the top of the cabinet interior, and a gear 212 is provided at its moving end for driving the gear 212 to rotate. It also includes a rack 213 that is vertically slidably mounted on the inner wall of the cabinet and meshes with the gear 212. When the gear 212 rotates, it drives the rack 213 to move vertically. The rack 213 has a winding rod 214 at its bottom, which is wound and connected to the corresponding end of the traction rope 22.

[0021] With this design, when it is necessary to increase the opening degree of blade 1, the power unit 211 drives the gear 212 to rotate, thereby moving the rack 213 downward, thus loosening the traction rope 22. At this time, the tensioning unit winds up the traction rope 22 to tighten it again. At this time, the traction rope 22 is pulled downward, which at the same time drives the inner top of each blade 1 to rotate downward, thereby expanding the air opening between adjacent blades 1. When it is necessary to reduce the opening degree of blade 1, the power unit 211 drives the rack 213 to move upward through the gear 212, thereby pulling the traction rope 22 upward, so as to drive the inner top of each blade 1 to rotate upward, thereby reducing the air gap between adjacent blades 1. If it is necessary to close the air vent, the power unit 211 drives the rack 213 to rise further through the gear 212 until the adjacent blades 1 come into contact with each other.

[0022] In one embodiment, the tensioning unit includes a take-up roller 3 rotatably disposed at the bottom of the inner wall of the cabinet, and the other end of the traction rope 22 is wound around the take-up roller 3; A torsion spring (not shown in the figure) is provided at the connection between the take-up roller 3 and the cabinet to provide torque for tightening the traction rope 22.

[0023] With this design, when the rack 213 moves downward, the traction rope 22 relaxes. At this time, the torsion spring drives the take-up roller 3 to rotate, causing it to wind up and pull the traction rope 22 downward until the traction rope 22 is wound up to the predetermined tension. At the same time, the traction rope 22 is under force and drives each blade 1 to rotate. When the rack 213 moves upward, the winding rod 214 pulls the traction rope 22 upward to drive each blade 1 to rotate. At this time, the torsion spring is stressed and curls, so that the take-up roller 3 rotates in the opposite direction and relaxes the traction rope 22, so that the traction rope 22 is always maintained at the predetermined tension.

[0024] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0025] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0026] Additionally, "multiple" refers to two or more.

[0027] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A heat dissipation device for a control cabinet, characterized in that, include: The louvers, adjustment components (2), tensioning unit, fan (4) and sensing unit (5) are respectively installed at the air outlet and air inlet of the cabinet; The blades (1) of each louver are rotated and set in the corresponding air vent; The adjustment component (2) includes a control assembly (21) and a traction rope (22) respectively disposed inside the cabinet; The traction rope (22) is connected to each of the blades (1), and one end of the rope is connected to the control assembly (21). The tensioning unit is located inside the cabinet and connected to the other end of the traction rope (22), and is used to provide tension to the traction rope (22) and cooperate with the control component (21) to retract and extend the traction rope (22); The fan (4) is installed at the air outlet to exhaust the gas inside the cabinet; The sensing unit (5) is installed inside the cabinet and is connected to the control component (21) via signal. It is used to detect the temperature inside the cabinet and send a corresponding signal to the control component (21).

2. The heat dissipation device for a control cabinet according to claim 1, characterized in that: Each blade (1) is provided with a connecting rod (6) at its eccentric end, and each connecting rod (6) has a plurality of threading grooves (61) for the traction rope (22) to pass through. Each of the connecting rods (6) is detachably provided with a wire harness (7) to prevent the traction rope (22) from accidentally separating from the corresponding connecting rod (6).

3. The heat dissipating device for a control cabinet according to claim 2, characterized in that: One end of the connecting rod (6) is provided with a slot (63); The wire harness component (7) includes a detachable constraint block (71), a plug block (72), and an elastic unit (73) inserted into the connecting rod (6); The plug-in block (72) is slidably inserted into the constraint block (71) and corresponds to the slot (63); The elastic unit (73) is disposed between the constraint block (71) and the plug block (72) for applying an elastic force to the plug block (72) in the direction close to the slot (63).

4. The heat dissipating device for a control cabinet according to claim 1, wherein: The control component (21) includes a power unit (211), a gear (212), a rack (213), and a winding rod (214); The power unit (211) is located inside the cabinet, and its moving end is connected to the gear (212) to drive the gear (212) to rotate; The rack (213) is vertically slidably mounted on the inner wall of the cabinet and meshes with the gear (212), and its bottom is connected to the winding rod (214); The winding rod (214) is connected to one end of the traction rope (22).

5. The heat dissipating device for a control cabinet according to claim 4, wherein: The tensioning unit includes a take-up roller (3) that is rotatably disposed inside the cabinet and located at one end away from the power unit (211); The other end of the traction rope (22) is wound around the take-up roller (3); A torsion spring is provided at the connection between the take-up roller (3) and the cabinet body to provide the torsion force for the take-up roller (3) to tighten the traction rope (22).

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