Electric control cabinet and method of using the same, and application of the same in crane construction

The heat dissipation adjustment components and vibration reduction devices made of memory springs and thermal expansion materials solve the temperature difference and vibration problems in the electric control cabinet, achieve rapid heat dissipation and stable operation, and ensure the normal operation of electrical components.

CN119482086BActive Publication Date: 2025-10-10HENAN MECHANICAL & ELECTRICAL ENG COLLEGE
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Patent Information

Application Number
CN202411856734.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-10-10
Estimated Expiration
2044-12-17

AI Technical Summary

Technical Problem

The temperature difference at different locations in the electrical control cabinet leads to poor heat dissipation and poor air circulation, and the vibration caused by external wind affects the normal operation of electrical components.

Method used

The heat dissipation adjustment component uses a memory spring and thermal expansion material to enhance the heat dissipation effect by adjusting the heat dissipation plate spacing and the tilt angle of the adjustment plate. The vibration reduction spring and movable sleeve are used to reduce vibration, achieving rapid heat dissipation and stabilizing electrical components.

Benefits of technology

It achieves rapid heat dissipation according to temperature differences, reduces the impact of vibration, ensures the stable operation of electrical components, and improves heat dissipation efficiency and equipment safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of electric control cabinets, and discloses an electric control cabinet, a use method thereof and application in crane construction, which comprises a shell assembly, the shell assembly comprises a cabinet body, a mounting assembly arranged in the cabinet body, a heat dissipation adjusting assembly arranged on one side of the mounting assembly, the mounting assembly comprises a fixing frame, the fixing frame is connected with the inner wall of the cabinet body, damping springs are arranged at the four corners of the surface of the fixing frame, and a mounting frame is arranged at the end of the fixing frame away from the damping springs. The mounting assembly and the heat dissipation adjusting assembly are matched, the interval between two adjacent heat dissipation fins is adjusted in real time according to different temperatures at different positions, the ventilation volume between the adjusting plate and the ventilation groove is adjusted, rapid heat dissipation is realized, the vibration amplitude of the mounting frame is reduced when the external wind force is too large, and the normal operation of electrical elements is ensured.
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Description

Technical Field

[0001] The present invention belongs to the technical field of electric control cabinets, and in particular relates to an electric control cabinet and a method for using the same, and applications in crane construction. Background Art

[0002] The electric control cabinet is one of the core equipment of a fully automated crane. It is the main equipment that centrally coordinates and controls multiple electrical components of the crane, ensuring that the spacing between components is correct and that they work flexibly and reliably in coordination. During construction, the electric control cabinet is needed to control the crane to perform various complex actions and monitor them in real time. This not only reduces the workload of operators and improves the crane's work efficiency, but also automatically detects abnormal crane operations, issues alarms, and shuts down the crane in a timely manner, thereby ensuring the safety of personnel and equipment.

[0003] For example, Chinese patent application number 2024106298751 discloses a new type of crane electric control cabinet, which includes a cabinet body, a ventilation mechanism on the cabinet body, an assembly slot on one side of the cabinet body, the assembly slot is connected to the interior of the cabinet body, an adjustment box is provided on the assembly slot, and the adjustment box is provided with a temperature and humidity detection mechanism and a drying mechanism. The device significantly improves the adaptability and operational reliability of the electric control cabinet in various harsh environments and reduces maintenance costs through integrated intelligent monitoring, adjustment, heat dissipation and convenient maintenance design. However, due to the different temperatures at different positions in the cabinet body, timely adjustments cannot be made according to the temperature differences, resulting in the inability to quickly and effectively dissipate heat.

[0004] Based on the above solution, since the temperatures at different locations inside the cabinet body are different, timely adjustments cannot be made according to the temperature differences, resulting in the inability to quickly and effectively dissipate heat; and the air circulation at the locations of the electrical components inside the cabinet body is poor, resulting in heat accumulation and causing local high temperatures; under the action of external wind force, the cabinet body will vibrate. If the external wind force is too strong, the circuit connections on the electrical components inside the cabinet body will become loose or even broken, affecting normal operation. Summary of the Invention

[0005] In response to the above problems, the present invention provides an electric control cabinet and a method for using the same, as well as an application in crane construction, to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: an electric control cabinet, comprising a housing assembly, the housing assembly comprising a cabinet body, a mounting assembly disposed inside the cabinet body, and a heat dissipation adjustment assembly disposed on one side of the mounting assembly;

[0007] The mounting assembly includes a fixing bracket connected to the inner wall of the cabinet body, vibration-damping springs are provided at the four corners of the surface of the fixing bracket, a mounting bracket is provided at one end of the fixing bracket away from the vibration-damping springs, a movable sleeve is provided at one end of the mounting bracket close to the fixing bracket, a limiting column is provided at one end of the movable sleeve away from the mounting bracket, an elastic hose is provided at the center of the surface of the movable sleeve, and a control valve is provided inside the elastic hose;

[0008] The heat dissipation adjustment component includes a heat dissipation frame, which is arranged on one side of the fixed frame. A plurality of heat dissipation plates are arranged at intervals on the surface of the heat dissipation frame. A memory spring is arranged between two adjacent heat dissipation plates. A circular hole is opened at the position where the heat dissipation plate is connected to the heat dissipation frame.

[0009] Preferably, an air hole is provided at one end of the movable sleeve away from the limiting column, a plurality of guide holes are provided on both sides of the mounting frame, and the guide holes are provided at one end of the mounting frame close to the fixed frame;

[0010] A limiting groove is provided at a position where the movable sleeve is connected to the limiting column, and one end of the limiting column away from the movable sleeve is connected to the fixing frame.

[0011] Preferably, a plurality of positioning frames are arranged above the heat dissipation frame, the elastic hose passes through the mounting frame and extends to the interior of the positioning frame, a cavity is provided inside the positioning frame, the end of the elastic hose away from the movable sleeve is connected to the cavity, a movable rod is provided inside the cavity, a placement frame is provided at the end of the movable rod close to the mounting frame, and an elastic member is provided on the side of the placement frame away from the movable rod.

[0012] Preferably, wedge blocks are provided on both sides of the elastic member, a wedge rod adapted to the wedge block is provided on the side of the wedge block away from the mounting frame, and an adjustment plate is hingedly provided on one end of the wedge rod away from the wedge block.

[0013] Preferably, a first connecting spring is provided at the end of the wedge block away from the elastic member, the end of the first connecting spring away from the wedge block is connected to the positioning frame, a movable groove is provided at the position where the positioning frame is connected to the wedge block, a second connecting spring is provided on the surface of the wedge rod, and the end of the second connecting spring close to the adjustment plate is connected to the positioning frame.

[0014] Preferably, a compression spring is provided on the surface of the movable rod, an annular ring is provided on the surface of the movable rod, and a compression spring is provided at one end of the annular ring close to the placement rack, and the compression spring is connected to the placement rack at one end away from the movable rod.

[0015] Preferably, a ventilation slot adapted to the adjustment plate is provided on the surface of the cabinet body, a rotating shaft is provided inside the adjustment plate, and the adjustment plate is movably connected to the ventilation slot via the rotating shaft.

[0016] Preferably, a cabinet door is provided on one side of the cabinet body, a ventilation rack is provided above the cabinet body, a cooling fan is provided at one end of the cabinet body close to the ventilation rack, a plurality of exhaust holes are provided on the surface of the ventilation rack, and air inlet grilles are provided on both sides of the cabinet body.

[0017] The present invention also provides a method for using the electric control cabinet, and the specific steps of the method are as follows:

[0018] S1: First, fix the electrical components on the mounting bracket in the installation assembly and use vibration damping springs to buffer them to prevent the electrical components inside the cabinet from vibrating due to excessive external wind and affecting normal operation;

[0019] S2: The heat inside the cabinet body is then dissipated through the heat dissipation adjustment component, and the heat dissipated by the electrical components on the mounting frame is absorbed by the heat dissipation plate for conduction dissipation;

[0020] S3: Finally, according to the different temperatures at different locations in the cabinet body, the heat dissipation adjustment component is adjusted in real time to quickly dissipate heat and ensure the normal operation of electrical components.

[0021] The present invention also provides application of the electric control cabinet as described above in crane construction.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention adjusts the interval between two adjacent heat sinks by using the thermal contraction and cold expansion characteristics of the memory spring, so that the heat sink is concentrated at the position with higher temperature on the mounting frame, thereby increasing the heat dissipation area and improving the heat dissipation effect, thereby achieving rapid heat dissipation.

[0024] 2. The present invention realizes real-time control of the inclination angle of the adjustment plate according to different temperatures by arranging elastic parts, wedge blocks, wedge rods, adjustment plates and other structures, adjusts the ventilation volume between the adjustment plate and the ventilation slots, and facilitates enhancing the turbulence effect of the air in the cabinet body and improving the heat dissipation effect.

[0025] 3. The present invention can obtain the vibration amplitude of the mounting frame by setting a displacement sensor to detect the displacement of the movable sleeve, thereby judging whether the electrical components are working normally according to the vibration amplitude of the mounting frame. By cooperating with the mounting assembly and the heat dissipation adjustment assembly, the vibration amplitude of the mounting frame can be reduced, thereby ensuring the normal operation of the electrical components. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1This is a schematic diagram of the assembly structure of the housing component, the mounting component, and the heat dissipation adjustment component of the present invention;

[0027] Figure 2 This is a schematic structural diagram of the housing assembly of the present invention;

[0028] Figure 3 This is a schematic diagram of the explosion of the local structure of the shell assembly of the present invention;

[0029] Figure 4 This is a schematic diagram of the assembly structure of the installation component and the heat dissipation adjustment component of the present invention;

[0030] Figure 5 This is a schematic diagram of the installation assembly structure of the present invention;

[0031] Figure 6 This is a schematic structural diagram of the heat dissipation adjustment component of the present invention;

[0032] Figure 7 It is a partial cross-sectional schematic diagram of the positioning frame structure of the present invention;

[0033] Figure 8 It is a schematic cross-sectional view of the movable sleeve structure of the present invention;

[0034] Figure 9 For the present invention Figure 8 A magnified view of point A;

[0035] Figure 10 For the present invention Figure 8 Enlarged view of point B.

[0036] In the figure: 1. Shell assembly; 101. Cabinet body; 102. Cabinet door; 103. Ventilation rack; 104. Cooling fan; 105. Exhaust hole; 106. Air inlet grille; 2. Mounting assembly; 201. Fixing rack; 202. Damping spring; 203. Mounting rack; 204. Movable sleeve; 205. Limiting column; 206. Air hole; 207. Elastic hose; 208. Diversion hole; 3. Heat dissipation adjustment assembly; 301. Heat dissipation rack; 302. Heat dissipation plate; 303. Memory spring; 304. Positioning rack; 305. Movable rod; 306. Placement rack; 307. Elastic member; 308. Compression spring; 309. Wedge block; 310. Wedge rod; 311. Adjustment plate; 312. First connecting spring; 313. Second connecting spring; 314. Rotating shaft. DETAILED DESCRIPTION

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] like Figures 1 to 10 As shown, an electric control cabinet of the present invention includes a housing assembly 1 , the housing assembly 1 includes a cabinet body 101 , an installation assembly 2 arranged inside the cabinet body 101 , and a heat dissipation adjustment assembly 3 arranged on one side of the installation assembly 2 .

[0039] like Figure 2 、 Figure 3 As shown, a cabinet door 102 is provided on one side of the cabinet body 101, a ventilation rack 103 is provided above the cabinet body 101, a cooling fan 104 is provided at one end of the cabinet body 101 close to the ventilation rack 103, a plurality of exhaust holes 105 are provided on the surface of the ventilation rack 103, and air inlet grilles 106 are provided on both sides of the cabinet body 101.

[0040] like Figure 1 、 Figure 5 As shown, the mounting assembly 2 includes a fixing frame 201, which is connected to the inner wall of the cabinet body 101, and vibration-damping springs 202 are provided at the four corners of the surface of the fixing frame 201. A mounting frame 203 is provided at the end of the fixing frame 201 away from the vibration-damping spring 202, and a movable sleeve 204 is provided at the end of the mounting frame 203 close to the fixing frame 201. A limiting column 205 is provided at the end of the movable sleeve 204 away from the mounting frame 203, and a limiting groove is provided at the position where the movable sleeve 204 is connected to the limiting column 205, and the end of the limiting column 205 away from the movable sleeve 204 is connected to the fixing frame 201.

[0041] When in use, the electrical components are first fixed on the mounting bracket 203 by bolts. In order to ensure the stability of the electrical components in the cabinet body 101 during use, a mounting assembly 2 is provided to buffer and reduce vibration. When the cabinet body 101 as a whole vibrates under the action of external wind force, the mounting bracket 203 on the fixed bracket 201 is buffered under the action of the vibration-damping spring 202. During this process, the movable sleeve 204 slides in the vertical direction along the limiting column 205 to prevent the mounting bracket 203 from shifting in the horizontal direction, thereby achieving the purpose of buffering and protecting the electrical components on the mounting bracket 203.

[0042] In addition, the crane is controlled by electrical elements in the electrical control cabinet to complete the operation in construction. Since the electrical elements generate heat during work, the heat is dissipated by the cooperation of the heat dissipation fan 104 and the air inlet grille 106. Under the action of the heat dissipation fan 104, the air from the air inlet grille 106 enters the cabinet body 101 and exchanges heat, and then the air in the cabinet body 101 passes through the ventilation frame 103 and is discharged from the exhaust hole 105. In this process, the air absorbs the heat in the cabinet body 101 and discharges it to the outside, accelerating the circulation of the cabinet body 101 and the external air, and achieving the purpose of dissipating heat of the electrical elements in the cabinet body 101.

[0043] The inventor found that since the temperature at different positions in the cabinet body 101 is different, it cannot be adjusted in time according to the temperature difference, which leads to the inability to quickly achieve effective heat dissipation. The air circulation at the position of the electrical elements in the cabinet body 101 is poor, which leads to heat accumulation and local high temperature. Under the action of external wind force, the cabinet body 101 will vibrate, and if the external wind force is too large, the circuit connection on the electrical elements in the cabinet body 101 will be loose or even broken, affecting normal operation.

[0044] In order to solve the above problems, the electrical control cabinet further comprises:

[0045] As shown in Figure 8 , Figure 9 , the end of the movable sleeve 204 away from the limiting column 205 is provided with an air hole 206, the two sides of the mounting frame 203 are provided with a plurality of flow guide holes 208, and the flow guide holes 208 are arranged at the end of the mounting frame 203 close to the fixed frame 201. The surface center of the movable sleeve 204 is provided with an elastic hose 207, and the inside of the elastic hose 207 is provided with a control valve.

[0046] As shown in Figures 6 to 10 , the heat dissipation adjusting assembly 3 comprises a heat dissipation frame 301, which is arranged on one side of the fixed frame 201. A plurality of heat dissipation plates 302 are arranged at intervals on the surface of the heat dissipation frame 301. A memory spring 303 is arranged between adjacent two heat dissipation plates 302. A circular hole is arranged at the position where the heat dissipation plate 302 is connected with the heat dissipation frame 301. A plurality of positioning frames 304 are arranged above the heat dissipation frame 301. The elastic hose 207 penetrates through the mounting frame 203 and extends to the inside of the positioning frame 304. The inside of the positioning frame 304 is provided with a cavity. The end of the elastic hose 207 away from the movable sleeve 204 is connected with the cavity. The inside of the cavity is provided with a movable rod 305. The end of the movable rod 305 close to the mounting frame 203 is provided with a placing frame 306. The side of the placing frame 306 away from the movable rod 305 is provided with an elastic member 307.

[0047] A compression spring 308 is provided on the surface of the movable rod 305. An annular ring is provided on the surface of the movable rod 305, and a compression spring 308 is provided on one end of the annular ring close to the placement rack 306. The end of the compression spring 308 away from the movable rod 305 is connected to the placement rack 306.

[0048] It is worth noting that the surface of the mounting frame 203 is provided with a through hole that is compatible with the air hole 206. In the initial state, the control valve is in a closed state, and the gas in the movable sleeve 204 passes through the air hole 206 and is discharged along the through hole. The gas in the movable sleeve 204 will not enter the cavity on the positioning frame 304 through the elastic hose 207.

[0049] like Figure 7 As shown, wedge blocks 309 are provided on both sides of the elastic member 307, and a wedge rod 310 adapted to the wedge block 309 is provided on the side of the wedge block 309 away from the mounting bracket 203, and an adjustment plate 311 is hingedly provided at one end of the wedge rod 310 away from the wedge block 309, and a first connecting spring 312 is provided at one end of the wedge block 309 away from the elastic member 307, and the end of the first connecting spring 312 away from the wedge block 309 is connected to the positioning bracket 304, and a movable groove is provided at the position where the positioning bracket 304 is connected to the wedge block 309, and a second connecting spring 313 is provided on the surface of the wedge rod 310, and the end of the second connecting spring 313 close to the adjustment plate 311 is connected to the positioning bracket 304.

[0050] like Figure 2 、 Figure 6 As shown, a ventilation slot adapted to the adjustment plate 311 is provided on the surface of the cabinet body 101 , and a rotating shaft 314 is provided inside the adjustment plate 311 , through which the adjustment plate 311 is movably connected to the ventilation slot.

[0051] Since the heat dissipation efficiency in the cabinet body 101 is poor, and the temperatures at different positions in the cabinet body 101 are different, and the air circulation at the positions of the electrical components in the cabinet body 101 is poor, heat accumulation causes local high temperature, so the heat dissipation effect is improved by providing a heat dissipation adjustment component 3. During the heat dissipation process, the heat generated by the electrical components when they are working is transferred to the mounting frame 203 under the action of heat transfer. At this time, multiple heat dissipation plates 302 are provided to absorb the heat on the surface of the mounting frame 203, thereby increasing the heat dissipation area. Under the action of the heat dissipation fan 104, the air in the cabinet body 101 flows through the heat dissipation plates 302, and the heat on the heat dissipation plates 302 is taken away, thereby achieving heat dissipation.

[0052] At the same time, since the electrical components installed on the mounting frame 203 are different, the heat emitted by the electrical components when working is also different, resulting in different temperatures at different positions on the mounting frame 203. If a local position of the mounting frame 203 is overheated, it indicates that the heat emitted by the electrical components at this position when working is too high. At this time, since the memory spring 303 has the characteristics of thermal contraction and thermal expansion, the memory spring 303 located at the position with higher temperature of the mounting frame 203 contracts, and the interval between the two adjacent heat sinks 302 at this position is shortened, that is, the number of heat sinks 302 at this position is increased, thereby increasing the heat dissipation area, improving the heat dissipation effect, and thus achieving rapid heat dissipation.

[0053] In the above process, if there is too much heat in the area, it will cause the temperature to be too high, and rapid heat dissipation cannot be achieved only through the heat dissipation plate 302, which indicates that the heat dissipation demand required in this area is large. At this time, the thermal expansion material inside the elastic member 307 expands due to the heat, causing the elastic member 307 to increase in volume and squeeze the wedge block 309. The first connecting spring 312 is compressed, and the wedge block 309 moves in the direction away from the elastic member 307. In this process, the second connecting spring 313 is compressed, and the wedge rod 310 is squeezed by the wedge block 309 and moves in the direction close to the adjustment plate 311. Under the action of the wedge rod 310, the adjustment plate 311 rotates in the ventilation slot with the rotating shaft 314 as the center, thereby increasing the opening area between the adjustment plate 311 and the ventilation slot, increasing the ventilation degree, and allowing the outside air to blow along the adjustment plate 311 to the heat dissipation plate 302, accelerating the heat exchange between the air and the heat dissipation plate 302, allowing the air to take away the heat on the heat dissipation plate 302, and improving the heat dissipation speed.

[0054] When the temperature rises, the greater the deformation of the thermal expansion material inside the elastic member 307, the larger the volume of the elastic member 307, the greater the squeezing force exerted by the elastic member 307 on the wedge block 309, and under the action of the wedge block 309 and the wedge rod 310, the greater the displacement of the wedge rod 310 along the moving groove on the positioning frame 304, that is, the greater the force exerted by the wedge rod 310 on the adjustment plate 311, the larger the opening area between the adjustment plate 311 and the ventilation slot, the greater the amount of outside air entering the cabinet body 101, the greater the air circulation in the cabinet body 101, and the stronger the heat dissipation capacity.

[0055] Similarly, when the temperature drops, the degree of deformation of the thermal expansion material inside the elastic member 307 decreases, the volume of the elastic member 307 decreases, and the squeezing force of the wedge block 309 by the elastic member 307 decreases. Under the action of the wedge block 309 and the wedge rod 310, the wedge rod 310 moves toward the direction close to the wedge block 309, that is, the force of the wedge rod 310 on the adjustment plate 311 decreases, and the opening area between the adjustment plate 311 and the ventilation slot decreases. When the temperature drops, the electrical components inside the cabinet body 101 are protected by reducing the ventilation area.

[0056] In addition, by arranging the elastic member 307, the wedge block 309, the wedge rod 310, the adjustment plate 311 and other structures, the inclination angle of the adjustment plate 311 can be controlled in real time according to different temperatures, and then the ventilation volume between the adjustment plate 311 and the ventilation slot can be adjusted. Since the temperature at different positions is different, the inclination angle of the adjustment plate 311 and the ventilation volume between the adjustment plate 311 and the ventilation slot are different, that is, the angle and volume of air entering the adjustment plate 311 at different positions in the cabinet body 101 are different, which is convenient for enhancing the turbulence effect of the air in the cabinet body 101 and enhancing the fluidity of the air. It can not only avoid the dead corners in the cabinet body 101 causing local excessive temperature, but also avoid dust accumulation affecting heat dissipation.

[0057] It is worth noting that the memory spring 303 has the characteristics of thermal contraction and cold expansion. The memory spring 303 is a spring made using the characteristics of shape memory alloy. That is, when the temperature rises, the memory spring 303 will shorten until it returns to its original shape, and when the temperature drops, the memory spring 303 will extend. In addition, the elastic member 307 is provided with a thermal expansion material inside. When the temperature rises, the thermal expansion material has the characteristic of increasing its volume due to thermal expansion.

[0058] During crane construction, the cabinet body 101 vibrates as a whole under the action of external wind. In order to ensure the stability of the electrical components in the cabinet body 101 during use, a mounting assembly 2 is provided to buffer and reduce vibration. Specifically, when the vibration-damping spring 202 is stretched, the mounting frame 203 drives the movable sleeve 204 to move in the vertical direction away from the fixed frame 201. At this time, the space enclosed by the movable sleeve 204 and the limiting column 205 increases, forming a negative pressure, thereby drawing the gas in the cabinet body 101 into the movable sleeve 204 through the air hole 206. When the vibration-damping spring 202 is compressed, the mounting frame 203 drives the movable sleeve 204 to move in the vertical direction toward the fixed frame 201. At this time, the space enclosed by the movable sleeve 204 and the limiting column 205 is reduced, and the limiting column 205 squeezes the gas in the movable sleeve 204, so that the gas is discharged through the air hole 206 and sprayed on the electronic components and the heat sink 302. Due to the external wind force, the cabinet body 101 vibrates continuously, so that the mounting frame 203 drives the movable sleeve 204 to reciprocate in the vertical direction. During this process, the movable sleeve 204 and the limiting column 205 cooperate to perform reciprocating air extraction and exhaust, which can not only blow away the dust accumulated on the surface of the electronic components and the heat sink 302 to prevent dust accumulation from affecting the heat dissipation efficiency, but also speed up the air flow around the electronic components and the heat sink 302 to avoid heat accumulation caused by poor circulation and affecting heat dissipation.

[0059] At the same time, when the mounting frame 203 reciprocates in the vertical direction, the mounting frame 203 will disturb the surrounding air. The air disturbance helps to uniformize the surrounding temperature, and when the air flows through the guide holes 208 on the mounting frame 203, a jet is formed, thereby accelerating the air flow and improving the heat transfer efficiency.

[0060] However, when the external wind force is too strong, the cabinet body 101 vibrates greatly, which may cause the circuit connection of the electrical components on the surface of the mounting bracket 203 to loosen or even break. At this time, the mounting bracket 203 on the fixed bracket 201 is buffered by the vibration-damping spring 202, and the mounting bracket 203 drives the movable sleeve 204 to reciprocate in the vertical direction. During this process, the movable sleeve 204 and the limiting column 205 cooperate to perform reciprocating air extraction and exhaust. When the mounting bracket 203 drives the movable sleeve 204 to move in the vertical direction away from the fixed bracket 201, the movable sleeve 204 is 04 and the limiting column 205 cooperate to pump air, and the gas enters the interior of the movable sleeve 204 through the air hole 206. The greater the displacement of the movable sleeve 204, the greater the amount of gas pumped into the movable sleeve 204. Since a displacement sensor is provided on the movable sleeve 204, the vibration amplitude of the mounting frame 203 can be obtained by detecting the displacement of the movable sleeve 204 through the displacement sensor. The greater the displacement of the movable sleeve 204, the greater the vibration amplitude of the mounting frame 203. Therefore, whether the electrical components are working in a normal state can be judged according to the vibration amplitude of the mounting frame 203.

[0061] It is worth noting that a displacement sensor is provided on the movable sleeve 204, which can monitor the movement state of the movable sleeve 204 and reflect whether the electrical components on the mounting bracket 203 are in a vibrating state and the degree of vibration. When the mounting bracket 203 moves in the vertical direction, there will be no motion interference between the mounting bracket 203 and the heat sink 302.

[0062] When the displacement sensor detects that the displacement of the movable sleeve 204 is within the standard range, it indicates that the vibration amplitude of the mounting frame 203 will not cause damage to the electrical components. In this process, due to the increase in temperature, the thermal expansion material inside the elastic member 307 expands due to heat, and the volume of the elastic member 307 increases, squeezing the mounting frame 203. The elastic member 307 deforms to increase the contact area with the mounting frame 203, thereby causing resistance to the vertical movement of the mounting frame 203 and reducing the vibration level of the mounting frame 203.

[0063] When the displacement sensor detects that the displacement of the movable sleeve 204 exceeds the standard range, it indicates that the vibration amplitude of the mounting frame 203 is large and will affect the normal operation of the electrical components. The greater the displacement of the movable sleeve 204, the greater the amount of gas drawn into the movable sleeve 204. When the vibration damping spring 202 is compressed, the controller opens the control valve. At this time, the space enclosed by the movable sleeve 204 and the limiting column 205 is reduced, and the limiting column 205 squeezes the gas in the movable sleeve 204. At this time, part of the gas in the movable sleeve 204 enters the cavity of the positioning frame 304 through the elastic hose 207. Under the action of the gas, the compression spring 308 is stretched, and the gas pushes the movable rod 305, the placement frame 306 and the elastic member 307 to move in the direction close to the mounting frame 203, thereby increasing the squeezing force of the elastic member 307 on the mounting frame 203, so that the mounting frame 203 is resisted by the elastic member 307 during movement, thereby achieving the purpose of reducing the vibration amplitude of the mounting frame 203.

[0064] According to the difference between the displacement of the movable sleeve 204 and the highest threshold value of the standard range, the amount of gas introduced into the cavity is controlled, and the displacement of the movable rod 305 in the cavity is adjusted, thereby adjusting the resistance of the mounting frame 203 to the elastic member 307 during movement, so that the displacement of the movable sleeve 204 is restored to within the standard range.

[0065] The present invention discloses a method for using an electric control cabinet, and the specific steps of the method are as follows:

[0066] S1: First, the electrical components are fixed on the mounting bracket 203 in the mounting assembly 2 and buffered by the vibration-damping spring 202 to prevent the electrical components inside the cabinet body 101 from vibrating due to excessive external wind and affecting normal operation;

[0067] S2: The heat inside the cabinet body 101 is then dissipated by the heat dissipation adjustment component 3, and the heat dissipated by the electrical components on the mounting frame 203 is absorbed by the heat dissipation plate 302 for conduction dissipation;

[0068] S3: Finally, according to the different temperatures at different locations in the cabinet body 101, the heat dissipation adjustment component 3 is adjusted in real time to quickly dissipate heat and ensure the normal operation of the electrical components.

[0069] The present invention discloses an application of an electric control cabinet in crane construction, which is specifically applied to situations in which the heat released by electrical components during operation during crane construction causes the temperature inside the electric control cabinet to be too high, or the electrical components inside the electric control cabinet vibrate due to excessive external wind, affecting normal operation. During the crane construction process, multiple electrical components of the crane are centrally controlled by the electric control cabinet, thereby achieving flexible and reliable coordinated operation among the components. In order to ensure precise control of the crane and improve operational efficiency and safety, the electric control cabinet needs to be subjected to heat dissipation and vibration reduction treatment to ensure the normal operation of the electrical components.

[0070] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0071] While 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 these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An electric control cabinet, comprising a housing assembly, wherein the housing assembly comprises a cabinet body, characterized in that: An installation component is provided inside the cabinet body, and a heat dissipation adjustment component is provided on one side of the installation component; The mounting assembly includes a fixing bracket, which is connected to the inner wall of the cabinet body. Vibration-damping springs are provided at the four corners of the fixing bracket. A mounting bracket is provided at one end of the fixing bracket away from the vibration-damping spring. The electrical component is mounted and fixed on the mounting bracket by bolts, and the mounting assembly is used to buffer and reduce vibration of the electrical component. A movable sleeve is provided at one end of the mounting bracket close to the fixing bracket, and a limiting column is provided at one end of the movable sleeve away from the mounting bracket. An elastic hose is provided at the center of the surface of the movable sleeve, and a control valve is provided inside the elastic hose. The heat dissipation adjustment assembly includes a heat dissipation frame, which is arranged on one side of the fixing frame. A plurality of heat dissipation plates are arranged at intervals on the surface of the heat dissipation frame. A memory spring is arranged between two adjacent heat dissipation plates. A circular hole is opened at the position where the heat dissipation plate and the heat dissipation frame are connected. The memory spring has the characteristics of thermal contraction and thermal expansion. When the memory spring is located at a position with a higher temperature on the mounting frame, it contracts, and the distance between the two adjacent heat dissipation plates at this position is shortened. A plurality of positioning brackets are provided above the heat dissipation bracket, the elastic hose passes through the mounting bracket and extends to the interior of the positioning bracket, a cavity is provided inside the positioning bracket, one end of the elastic hose away from the movable sleeve is connected to the cavity, a movable rod is provided inside the cavity, a placement bracket is provided at one end of the movable rod close to the mounting bracket, and an elastic member is provided on the side of the placement bracket away from the movable rod; Wedge blocks are provided on both sides of the elastic member, a wedge rod adapted to the wedge block is provided on the side of the wedge block away from the mounting frame, and an adjustment plate is hingedly provided on one end of the wedge rod away from the wedge block; A first connecting spring is provided at one end of the wedge block away from the elastic member, and the end of the first connecting spring away from the wedge block is connected to the positioning frame, and a movable groove is provided at the position where the positioning frame and the wedge block are connected. A second connecting spring is provided on the surface of the wedge rod, and the end of the second connecting spring close to the adjustment plate is connected to the positioning frame; An air hole is provided at one end of the movable sleeve away from the limiting column, and a plurality of guide holes are provided on both sides of the mounting frame, and the guide holes are provided at one end of the mounting frame close to the fixed frame; A limiting groove is provided at the position where the movable sleeve is connected to the limiting column, and one end of the limiting column away from the movable sleeve is connected to the fixing frame; The surface of the cabinet body is provided with a ventilation slot adapted to the adjustment plate, a rotating shaft is provided inside the adjustment plate, and the adjustment plate is movably connected to the ventilation slot via the rotating shaft.

2. The electric control cabinet according to claim 1, characterized in that: A compression spring is provided on the surface of the movable rod, an annular ring is provided on the surface of the movable rod, and a compression spring is provided on one end of the annular ring close to the placement rack, and an end of the compression spring away from the movable rod is connected to the placement rack.

3. The electric control cabinet according to claim 1, characterized in that: A cabinet door is provided on one side of the cabinet body, a ventilation rack is provided above the cabinet body, a cooling fan is provided at one end of the cabinet body close to the ventilation rack, a plurality of exhaust holes are provided on the surface of the ventilation rack, and air inlet grilles are provided on both sides of the cabinet body.

4. A method for using an electric control cabinet, the method being implemented using the electric control cabinet according to claim 1, characterized in that: The specific usage steps are as follows: S1: First, fix the electrical components on the mounting bracket in the installation assembly and use vibration damping springs to buffer them to prevent the electrical components inside the cabinet from vibrating due to excessive external wind and affecting normal operation; S2: The heat inside the cabinet body is then dissipated through the heat dissipation adjustment component, and the heat dissipated by the electrical components on the mounting frame is absorbed by the heat dissipation plate for conduction dissipation; S3: Finally, according to the different temperatures at different locations in the cabinet body, the heat dissipation adjustment component is adjusted in real time to quickly dissipate heat and ensure the normal operation of electrical components.

5. Use of the electric control cabinet according to claim 1 in crane construction.

Citation Information

Patent Citations

  • Heat dissipation assembly and heat dissipation method for permanent magnet frequency conversion refrigeration type drying machine

    CN118935874A

  • Electrical control cabinet for electrical engineering automation

    CN215772212U