Frequency converter cabinet and heat dissipation device thereof

Abstract

The utility model relates to a frequency converter cabinet and a heat dissipation device thereof, the frequency converter cabinet comprises a cabinet body, the cabinet body is provided with a ventilation hole, the heat dissipation device is arranged in the cabinet body and located at the ventilation hole of the cabinet body, the heat dissipation device comprises a first heat dissipation unit and a second heat dissipation unit, the first heat dissipation unit comprises a suction fan and a driving motor which are arranged at the ventilation hole, and the second heat dissipation unit comprises a suction fan and a driving motor which are arranged at the ventilation hole. The driving motor drives the suction fan to rotate so as to suck cold air through the ventilation holes, the second heat dissipation unit comprises fanning plates arranged on the two opposite sides of the suction fan, and the suction fan is connected with the fanning plates through a linkage assembly, so that the suction fan drives the fanning plates to swing while rotating, and hot air in the cabinet body is dissipated out of the cabinet body through the ventilation holes. According to the technical scheme, the heat dissipation device provided by the utility model can improve the heat dissipation efficiency and the heat dissipation effect of the frequency converter cabinet.

Description

Technical Field

[0001] The present disclosure relates to the technical field of frequency converter cabinets, and in particular, to a frequency converter cabinet and a heat dissipation device thereof. Background Art

[0002] The inverter cabinet is an electrical equipment used in the industrial field. The inverter inside the inverter cabinet generates heat during operation. In order to ensure that the inverter can operate stably, a heat dissipation device for heat dissipation needs to be provided on the inverter cabinet. Usually, the heat dissipation device includes a fan, a heat dissipation channel and a heat dissipation hole. The fan is used to discharge hot air from the heat dissipation channel and the heat dissipation hole in turn to achieve the purpose of heat dissipation. However, this method not only has low heat dissipation efficiency but also poor heat dissipation effect. Utility Model Content

[0003] The purpose of the present disclosure is to provide a frequency converter cabinet and a heat dissipation device thereof, wherein the heat dissipation device can improve the heat dissipation efficiency and heat dissipation effect of the frequency converter cabinet.

[0004] In order to achieve the above-mentioned purpose, the present disclosure provides a heat dissipation device for an inverter cabinet, wherein the inverter cabinet includes a cabinet body, and the cabinet body is provided with ventilation holes. The heat dissipation device is arranged in the cabinet body and located at the ventilation holes of the cabinet body. The heat dissipation device includes a first heat dissipation unit and a second heat dissipation unit. The first heat dissipation unit includes a suction fan and a driving motor arranged at the ventilation holes. The driving motor drives the suction fan to rotate so as to suck in cold air through the ventilation holes. The second heat dissipation unit includes fan plates arranged on opposite sides of the suction fan. The suction fan is connected to the fan plate through a linkage component so that the suction fan drives the fan plate to swing while rotating, so as to disperse the hot air in the cabinet to the outside of the cabinet through the ventilation holes.

[0005] Optionally, the linkage assembly includes a rack, a movable plate, a rotating shaft and a gear, the racks are respectively arranged on the opposite sides of the suction fan, the movable plate is slidably arranged between the two racks, the suction fan is transmission-connected to the movable plate, the suction fan can drive the movable plate to move along the rack, the fan plate is rotationally connected to the movable plate via the rotating shaft, and the gear is mounted on the rotating shaft and meshes with the rack.

[0006] Optionally, a strip hole is provided on the movable plate, a fixed shaft is provided on the suction fan, and the fixed shaft is slidably penetrated through the strip hole.

[0007] Optionally, the rack includes toothed segments and toothless segments, the toothed segments and toothless segments are alternately arranged, and the gear is meshed with the toothed segments.

[0008] Optionally, a torsion spring is provided between the rotating shaft and the movable plate, and the torsion spring is used to reset the rotating shaft.

[0009] Optionally, two ends of the movable plate are respectively provided with sliding grooves, and the rack is slidably matched with the corresponding sliding grooves.

[0010] Optionally, the heat dissipation device further includes a temperature sensor and a controller, wherein the temperature sensor and the controller are respectively installed in the cabinet, and the temperature sensor and the drive motor are both electrically connected to the controller.

[0011] Optionally, the heat dissipation device further includes an alarm light, which is mounted on the cabinet and electrically connected to the controller.

[0012] On the basis of the above scheme, the present disclosure further provides a frequency converter cabinet, including a cabinet body, the cabinet body is provided with ventilation holes, the frequency converter cabinet also includes the above heat dissipation device, and at least one group of the heat dissipation device is provided along the height direction of the cabinet body.

[0013] Optionally, the inverter cabinet further includes a lighting lamp, which is installed in the cabinet.

[0014] Through the above technical scheme, in the heat dissipation device of the inverter cabinet provided by the present disclosure, the heat dissipation device is arranged at the ventilation hole in the cabinet, and the heat dissipation device includes a first heat dissipation unit and a second heat dissipation unit. The first heat dissipation unit includes a suction fan and a driving motor. The suction fan is driven by the driving motor to rotate, and the external cold air is sucked into the cabinet to achieve heat dissipation. The second heat dissipation unit includes a fan plate. The suction fan is connected to the fan plate through a linkage component, so that the fan plate swings, thereby discharging the hot air in the cabinet to achieve further heat dissipation. In summary, the heat dissipation device of the inverter cabinet provided by the present disclosure can not only suck the external cold air into the cabinet, but also discharge the hot air in the cabinet in time. Through the cooperation of the two heat dissipation methods, the heat dissipation efficiency is improved, and a good heat dissipation effect is achieved.

[0015] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0017] Figure 1 is a structural schematic diagram of a frequency converter cabinet provided in an embodiment of the present disclosure;

[0018] Figure 2 is another structural schematic diagram of a frequency converter cabinet provided in an embodiment of the present disclosure;

[0019] Figure 3It is a schematic diagram of the installation of the heat dissipation device and the cabinet body in the inverter cabinet provided by the embodiment of the present disclosure;

[0020] Figure 4 It is a schematic diagram of the structure of the heat dissipation device in the inverter cabinet provided in the embodiment of the present disclosure.

[0021] Description of Reference Numerals

[0022] 1-cabinet; 11-ventilation hole; 10-heat dissipation device; 101-first heat dissipation unit; 1011-suction fan; 10111-fixed shaft; 1012-drive motor; 102-second heat dissipation unit; 1021-fan plate; 103-linkage assembly; 1031-rack; 10311-toothed section; 10312-toothless section; 1032-moving plate; 10321-strip hole; 10322-slide; 1033-rotating shaft; 1034-gear; 1035-torsion spring; 1036-fixed rod; 104-controller; 1041-operation button; 105-temperature sensor; 106-alarm lamp; 107-lighting lamp; 108-cabinet door; 1081-handle; 109-foot. DETAILED DESCRIPTION

[0023] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0024] In the present disclosure, unless otherwise stated, directional words such as "upper and lower" generally refer to the "upper and lower" relative to the direction of gravity when the corresponding parts are in use, and "inside and outside" refer to the "inside and outside" relative to the contours of the corresponding parts themselves. In addition, the terms "first", "second", etc. used in the present disclosure are to distinguish one element from another and do not have order and importance. In the following description, when referring to the drawings, unless otherwise explained, the same figure numbers in different drawings represent the same or similar elements. The above definitions are only used to explain and illustrate the present disclosure and should not be construed as limitations on the present disclosure.

[0025] According to an exemplary embodiment of the present disclosure, referring to Figures 1 to 4As shown, a heat dissipation device for an inverter cabinet is provided. The inverter cabinet includes a cabinet body 1, and a ventilation hole 11 is arranged on the cabinet body 1. The heat dissipation device 10 is arranged in the cabinet body 1 and located at the ventilation hole 11 of the cabinet body 1. The heat dissipation device 10 includes a first heat dissipation unit 101 and a second heat dissipation unit 102. The first heat dissipation unit 101 includes a suction fan 1011 and a driving motor 1012 arranged at the ventilation hole 11. The driving motor 1012 drives the suction fan 1011 to rotate so as to inhale cold air through the ventilation hole 11. The second heat dissipation unit 102 includes fan plates 1021 arranged on opposite sides of the suction fan 1011. The suction fan 1011 is connected to the fan plate 1021 through a linkage component 103, so that the suction fan 1011 drives the fan plate 1021 to swing while rotating, so as to disperse the hot air in the cabinet body 1 to the outside of the cabinet body 1 through the ventilation hole 11.

[0026] Through the above technical scheme, in the heat dissipation device of the frequency converter cabinet provided by the present disclosure, the heat dissipation device 10 is arranged at the ventilation hole 11 in the cabinet 1, and the heat dissipation device 10 includes a first heat dissipation unit 101 and a second heat dissipation unit 102. The first heat dissipation unit 101 includes a suction fan 1011 and a driving motor 1012. The suction fan 1011 is driven by the driving motor 1012 to rotate, and the external cold air is sucked into the cabinet 1 to achieve heat dissipation. The second heat dissipation unit 102 includes a fan plate 1021. The suction fan 1011 is connected to the fan plate 1021 through a linkage component 103, so that the fan plate 1021 swings, thereby discharging the hot air in the cabinet 1 to achieve further heat dissipation. In summary, the heat dissipation device 10 of the frequency converter cabinet provided by the present disclosure can not only suck the external cold air into the cabinet, but also discharge the hot air in the cabinet 1 in time. Through the cooperation of the two heat dissipation methods, the heat dissipation efficiency is improved, and a good heat dissipation effect is achieved.

[0027] In the present disclosure, the drive motor 1012 can be installed on the outside of the cabinet 1 to avoid the impact of the higher temperature inside the cabinet 1 on the performance of the drive motor 1012. At the same time, a mounting hole can be set on the cabinet 1, so that the output shaft of the drive motor 1012 passes through the mounting hole and is connected to the suction fan 1011, so that the suction fan 1011 is driven to rotate by the drive motor 1012 to suck the cold air from the outside into the cabinet 1 through the ventilation hole 11 to achieve heat dissipation.

[0028] In order to promote heat exchange, ventilation holes 11 can be provided on the side of the cabinet 1 directly facing the suction fan 1011 and several adjacent side surfaces, so as to improve the heat dissipation efficiency.

[0029] In the specific embodiments provided in the present disclosure, reference is made to Figure 3 and Figure 4As shown, the linkage assembly 103 may include a rack 1031, a movable plate 1032, a rotating shaft 1033 and a gear 1034. Racks 1031 are respectively arranged on the opposite sides of the suction fan 1011. The movable plate 1032 is slidably arranged between the two racks 1031. The suction fan 1011 is transmission-connected with the movable plate 1032. The suction fan 1011 can drive the movable plate 1032 to move along the rack 1031. The fan plate 1021 is rotationally connected with the movable plate 1032 through the rotating shaft 1033. The gear 1034 is installed on the rotating shaft 1033 and meshes with the rack 1031.

[0030] On the basis of the above technical solution, the two ends of the rack 1031 can be fixedly connected to the inner wall of the cabinet 1 through the fixing rod 1036, so that a gap is formed between the rack 1031 and the inner wall of the cabinet 1, so that the hot air in the cabinet 1 and the cold air outside can achieve heat exchange through the above gap, thereby improving the heat dissipation effect.

[0031] In the specific embodiments provided in the present disclosure, reference is made to Figure 4 As shown, the two ends of the rotating shaft 1033 can be connected to the fan plate 1021 and the gear 1034 respectively, so that the fan plate 1021 and the gear 1034 are respectively located on the opposite sides of the movable plate 1032. Through this arrangement, the installation length of the rotating shaft 1033 is shortened, making the structure more compact.

[0032] In the specific embodiments provided in the present disclosure, reference is made to Figure 4 As shown, the movable plate 1032 may be provided with a strip hole 10321, and the suction fan 1011 is provided with a fixed shaft 10111, and the fixed shaft 10111 is slidably arranged in the strip hole 10321. Through such an arrangement, when the driving motor 1012 drives the suction fan 1011 to rotate, the suction fan 1011 drives the fixed shaft 10111 to move, and the fixed shaft 10111 moves along the strip hole 10321 and drives the movable plate 1032 to move.

[0033] It should be noted that, a fixing rod can be provided on the movable plate 1032, and a strip groove or a strip through hole can be provided on the suction fan 1011, so that the fixing rod can slide through the strip groove or the strip through hole, thereby achieving the purpose of driving the movable plate 1032 to move along the movable rack 1031 when the suction fan 1011 rotates.

[0034] In the specific embodiments provided in the present disclosure, reference is made to Figure 4As shown, the rack 1031 may include a toothed section 10311 and a toothless section 10312, the toothed section 10311 and the toothless section 10312 are arranged alternately, and the gear 1034 is meshed with the toothed section 10311. In the above technical solution, the intermittent meshing of the gear 1034 and the rack 1031 is achieved by the alternating arrangement of the toothed section 10311 and the toothless section 10312, so that the rotating shaft 1033 drives the fan plate 1021 to swing intermittently, thereby eliminating unnecessary energy waste and making full use of the function of the machine. A torsion spring 1035 may be provided between the rotating shaft 1033 and the moving plate 1032, and the torsion spring 1035 is used to reset the rotating shaft 1033.

[0035] Through the above arrangement, when the movable plate 1032 drives the gear 1034 to move to the toothed section 10311, the gear 1034 meshes with the toothed section 10311 and rotates, and the rotation of the gear 1034 drives the rotating shaft 1033 to rotate. At this time, the torsion spring 1035 is in a squeezed state, and at the same time, the rotation of the rotating shaft 1033 drives the fan plate 1021 to swing. As the movable plate 1032 continues to move, the movable plate 1032 drives the gear 1034 to move to the toothless section 10312, and the gear 1034 disengages and stops rotating. At this time, the torsion spring 1035 is reset, and the elastic force generated at the same time drives the gear 1034 to reset, and then drives the fan plate 1021 to reset; as the movable plate 1032 continues to move, the gear 1034 drives the fan plate 1021 to repeat the above-mentioned movement process, thereby realizing the reciprocating swing of the fan plate 1021, so as to disperse the hot air in the cabinet 1 to the outside of the cabinet 1 through the ventilation hole 11.

[0036] In the specific embodiments provided in the present disclosure, reference is made to Figure 4 As shown, both ends of the movable plate 1032 are provided with a slide groove 10322, and the rack 1031 slides in cooperation with the corresponding slide groove 10322. By such an arrangement, the two ends of the movable plate 1032 can move along the rack 1031, thereby improving the compactness of the structure and the stability during movement, and also facilitating disassembly and assembly.

[0037] In the specific embodiments provided in the present disclosure, reference is made to Figure 3 As shown, the heat dissipation device 10 may further include a temperature sensor 105 and a controller 104, the temperature sensor 105 and the controller 104 are respectively installed in the cabinet 1, and the temperature sensor 105 and the drive motor 1012 are both electrically connected to the controller 104. Here, the temperature sensor 105 is used to detect the temperature in the cabinet 1, the model of the temperature sensor 105 may be ATS1-82, and the model of the controller 104 may be ARM9TDMI.

[0038] In the specific embodiments provided in the present disclosure, reference is made to Figure 3As shown, the heat dissipation device 10 may also include an alarm light 106, which is installed on the cabinet 1 and is electrically connected to the controller 104. By setting the alarm light 106, when a component in the cabinet 1 fails and causes the temperature in the cabinet 1 to be too high, the temperature sensor 105 detects the abnormal temperature in the cabinet 1 and transmits a signal to the controller 104. The controller 104 starts the alarm light 106 to light up, thereby reminding the worker that the inverter has failed so that timely maintenance can be carried out.

[0039] Based on the above technical solution, Figures 1 to 3 As shown, the present disclosure also provides a frequency converter cabinet, including a cabinet body 1, on which ventilation holes 11 are arranged. The frequency converter cabinet can also include the above-mentioned heat dissipation device 10, and at least one group of heat dissipation devices 10 is arranged along the height direction of the cabinet body 1. The frequency converter cabinet provided by the present disclosure also has the above-mentioned characteristics. In order to avoid repetition, they will not be repeated here.

[0040] For the convenience of control, an operation button 1041 can be set outside the cabinet 1, and the operation button 1041 is electrically connected to the controller 104, and the opening and closing of the inverter cabinet can be controlled by pressing the operation button 1041; in order to improve the stability of the cabinet 1, a plurality of feet 109 can be fixedly connected to the bottom of the cabinet 1 by bolts; in addition, a cabinet door 108 can be rotatably set on one side of the cabinet 1, and a handle 1081 can be set on one side of the cabinet door 108, so that the cabinet 1 can be opened to perform maintenance operations on the corresponding components inside the inverter cabinet.

[0041] In the specific embodiments provided in the present disclosure, reference is made to Figure 3 As shown, the heat dissipation device 10 may further include a lighting lamp 107, which is installed in the cabinet 1. By providing the lighting lamp 107, when the inverter fails, the lighting lamp 107 is used for lighting, so that workers can repair the inverter more easily.

[0042] refer to Figures 1 to 4As shown, the specific implementation principle of the embodiment of the present disclosure is: the temperature sensor 105 detects the temperature inside the cabinet 1. When the temperature sensor 105 detects that the temperature inside the cabinet 1 is high, the temperature sensor 105 transmits a signal to the controller 104. The controller 104 starts the driving motor 1012. The driving motor 1012 drives the suction fan 1011 to rotate, and the external cold air is sucked into the cabinet 1 to achieve heat dissipation. The suction fan 1011 rotates and drives the fixed shaft 10111 to move. When the fixed shaft 10111 moves, it will slide along the strip hole 10321 and drive the movable plate 1032 to move up and down. The movement of the movable plate 1032 will cause the gear 1034 to drive the fan plate 1021 to move according to the aforementioned process, thereby achieving reciprocating swing of the fan plate 1021, so as to disperse the hot air in the cabinet 1 through the ventilation hole 11 to the outside of the cabinet 1, thereby achieving further heat dissipation, thereby achieving the alternation of hot and cold air in the cabinet 1, with high heat dissipation efficiency and better heat dissipation effect.

[0043] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0044] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0045] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A heat dissipation device for a frequency converter cabinet, the frequency converter cabinet comprising a cabinet body, the cabinet body being provided with ventilation holes, the heat dissipation device being arranged in the cabinet body and located at the ventilation holes of the cabinet body, characterized in that: The heat dissipation device includes a first heat dissipation unit and a second heat dissipation unit. The first heat dissipation unit includes a suction fan and a driving motor arranged at the ventilation hole. The driving motor drives the suction fan to rotate so as to suck in cold air through the ventilation hole. The second heat dissipation unit includes fan plates arranged on opposite sides of the suction fan. The suction fan is connected to the fan plate through a linkage component so that the suction fan drives the fan plate to swing while rotating, so as to disperse the hot air in the cabinet to the outside of the cabinet through the ventilation hole.

2. The heat dissipation device for a frequency converter cabinet according to claim 1, characterized in that: The linkage assembly includes a rack, a movable plate, a rotating shaft and a gear. The racks are respectively arranged on the opposite sides of the suction fan. The movable plate is slidably arranged between the two racks. The suction fan is transmission-connected to the movable plate. The suction fan can drive the movable plate to move along the rack. The fan plate is rotationally connected to the movable plate through the rotating shaft. The gear is installed on the rotating shaft and meshes with the rack.

3. The heat dissipation device for a frequency converter cabinet according to claim 2, characterized in that: The movable plate is provided with a strip hole, the suction fan is provided with a fixed shaft, and the fixed shaft is slidably penetrated through the strip hole.

4. The heat dissipation device for a frequency converter cabinet according to claim 2, characterized in that: The rack includes toothed segments and toothless segments, the toothed segments and the toothless segments are alternately arranged, and the gear is meshed with the toothed segments.

5. The heat dissipation device for a frequency converter cabinet according to claim 4, characterized in that: A torsion spring is provided between the rotating shaft and the moving plate, and the torsion spring is used for resetting the rotating shaft.

6. The heat dissipation device for a frequency converter cabinet according to claim 2, characterized in that: Slide grooves are respectively arranged at both ends of the movable plate, and the racks are slidably matched with the corresponding slide grooves.

7. The heat dissipation device for a frequency converter cabinet according to claim 1, characterized in that: The heat dissipation device further comprises a temperature sensor and a controller. The temperature sensor and the controller are respectively installed in the cabinet. The temperature sensor and the drive motor are both electrically connected to the controller.

8. The heat dissipation device for a frequency converter cabinet according to claim 7, characterized in that: The heat dissipation device also includes an alarm light, which is installed on the cabinet and is electrically connected to the controller.

9. A frequency converter cabinet, comprising a cabinet body, wherein the cabinet body is provided with ventilation holes, characterized in that: The inverter cabinet further comprises a heat dissipation device according to any one of claims 1 to 8, and at least one group of the heat dissipation devices is arranged along the height direction of the cabinet.

10. The frequency converter cabinet according to claim 9, characterized in that: The inverter cabinet also includes a lighting lamp, which is installed in the cabinet.

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