Cooling fan for industrial electronic equipment

Abstract

The present invention relates to a cooling fan for an industrial electronic device, and more particularly, to a technology which employs a power supply structure capable of directly connecting the cooling fan without being configured as a conventional connector type structure, work convenience of power line connection work can be provided, and long-term unsolved problems of a connector mode can be solved. The present invention is characterized by comprising: a housing forming the outer shape of a cooling fan; the blades are arranged in the shell; a motor provided in the housing to provide a rotational force to the blades; the power supply part is arranged on the shell to supply power to the motor, and an external power line is connected and fixed to the power supply part through a screw, so that electric connection is carried out to realize power supply.

Description

Technical Field

[0001] This invention relates to a cooling fan for industrial electronic equipment, and more specifically, to a technology that applies a direct-connection structure to the power supply structure of the cooling fan instead of configuring it with a traditional connector type, thereby improving the ease of operation of power cord connection and solving the problem of the stubbornness of connector methods. Background Technology

[0002] Typically, cooling fans for industrial electronic equipment are installed in various terminal boxes, communication equipment, servers, substations, computer devices, control devices, etc. They circulate heat generated by the electronic equipment to the outside and introduce cool air from the outside to prevent the electronic equipment from malfunctioning or operating incorrectly due to overheating, so that the electronic equipment can function smoothly.

[0003] The basic components of this cooling fan include fan blades for moving air, a motor that provides power to rotate the fan blades, and a housing for protecting the fan blades and motor and supporting the components. Additionally, a power connection portion is formed to supply power to the motor.

[0004] Traditional cooling fans have their power cables exposed outside the housing. However, because the exposed power cable is only designed to a basic length during the manufacturing process, additional power cables are required for on-site installation. To connect these power cables, soldering or separate connectors are necessary.

[0005] However, this power supply method has the problem of cumbersome operation when connecting the power supply, and due to the decrease in the stability of the power connection and the exposure of the connection parts to the outside, electric shock or short circuit accidents may occur when the insulation layer is damaged or the wires are worn. It may also cause electrical problems due to exposure to moisture, dust and chemicals.

[0006] Recently, as a more advanced method, connectors are placed at the end of the power cord of the cooling fan during manufacturing. This connector offers the advantage of easy connection when connecting the power cord, but it also has the advantage of potential defects in the connector itself. Furthermore, because the connection point is exposed to the outside of the cooling fan, it is susceptible to electrical problems caused by environmental factors. In addition, the mechanical bonding strength of this connector method is low; therefore, when subjected to physical shock or vibration, the power cord may separate or short-circuit.

[0007] In addition, in terms of power supply, the current capacity of the connector type is limited, which is a disadvantage as it is not suitable for high-performance cooling fans that require a lot of power.

[0008] Existing technical documents

[0009] Patent documents

[0010] (Patent Document 0001) Publication No. 10-2022-0138078 (“Computer Cooling Fan Unit”)

[0011] (Patent Document 0002) Granted Patent No. 10-2137833 (“Cooling Fan for Vehicles”) Summary of the Invention

[0012] The problem the invention aims to solve

[0013] This invention addresses the aforementioned problems by providing a cooling fan for industrial electronic equipment. When configuring a cooling fan for industrial electronic equipment, it offers a structure that allows the cooling fan to be powered using a single power cord without the need for connecting or extending power cords. This improves operator convenience and solves problems associated with traditional connector methods, such as connector defects, electrical problems caused by environmental factors (moisture, dust, etc.), and poor mechanical connection due to connector aging, physical impact, and vibration. Furthermore, it enables a stable power supply.

[0014] means for solving problems

[0015] The cooling fan for industrial electronic equipment of the present invention includes: a housing forming the shape of a cooling fan; blades disposed inside the housing; a motor disposed in the housing to provide rotational force to the blades; and a power supply unit disposed in the housing to supply power to the motor, wherein an external power cord is fixed to the power supply unit by screws, thereby making an electrical connection to realize power supply.

[0016] In addition, the power supply unit includes: a main body having a first screw hole fixedly disposed on the housing and for connecting the motor power cord to the motor side by screws, and a second screw hole for connecting the external power cord by screws; a metal plate disposed in the first and second screw holes of the main body to electrically connect the external power cord and the motor power cord; and a cover being rotatably coupled to one side of the main body via a rotating shaft and capable of opening or closing the upper part of the main body.

[0017] Furthermore, a protruding pin is integrally formed on the inner side opposite to the rotation axis of the cover, and the protruding pin is inserted into the mating groove formed in the main body when the cover is closed.

[0018] The effects of the invention

[0019] This invention does not use traditional connector types, but instead achieves power supply through screw or bolt connections. Therefore, during setup, power connection can be achieved directly without connecting an external power cord to another power cord, thereby improving the ease of installation for the operator.

[0020] Furthermore, by employing screw or bolt connections, this invention fundamentally solves the problems of traditional connector defects, electrical problems caused by environmental factors (moisture, dust, etc.), and poor mechanical connection of connectors due to connector aging, physical impact, and vibration, and also improves electrical connection performance. Attached Figure Description

[0021] Figure 1 This is a diagram showing the overall structure of the cooling fan of the industrial electronic device of the present invention.

[0022] Figure 2 This is a perspective view showing the power supply section of the present invention.

[0023] Figure 3 This is a perspective view showing the open cover of the power supply section of the present invention.

[0024] Figure 4 This is a cross-sectional view showing the internal structure of the cover of the power supply unit in the open state according to the present invention.

[0025] Figure 5 This is a cross-sectional view showing the internal structure with the cover of the power supply unit according to the invention closed.

[0026] Figure 6 This is a perspective view of the bottom surface of the main body of the power supply section of the present invention.

[0027] Figure 7 or Figure 8 This is a diagram showing the structure for securing the power supply unit of the present invention to the housing.

[0028] Figure 9 This is a partial cross-sectional perspective view showing the cross-sectional structure of the main body of the power supply section of the present invention.

[0029] Figure 10 This is a diagram illustrating another embodiment of the power supply section according to the present invention.

[0030] Explanation of reference numerals in the attached figures

[0031] 100: Casing

[0032] 110: Fastening groove

[0033] 200: Blade

[0034] 300: Motor

[0035] 310: Motor power cord

[0036] 400: Power Supply Department

[0037] 410: Main body

[0038] 411: First screw hole

[0039] 412: Second screw hole

[0040] 413: Connecting groove

[0041] 414: Fastener

[0042] 414a: Fastening protrusion

[0043] 415: Partition wall

[0044] 416: Support flange

[0045] 420: Metal plate

[0046] 430: Cover

[0047] 431: Rotation axis

[0048] 432: Prominent Pin

[0049] 440: Guide support plate

[0050] 500: External power cord Detailed Implementation

[0051] In the following description, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Where a detailed description of a known function or configuration would obscure the main points of the invention, such detailed description will be omitted.

[0052] This invention relates to a cooling fan technology for industrial electronic equipment. Its application fields can include various terminal boxes, communication equipment, servers, substations, computer devices, control devices, etc. In addition, it can also be used for various electronic devices. By circulating the heat generated by the electronic device to the outside and introducing cool air from the outside, it prevents the electronic device from malfunctioning or misoperating due to overheating, so as to ensure that the electronic device can function smoothly.

[0053] like Figure 1As shown, the cooling fan for industrial electronic equipment of the present invention includes: a housing 100 forming the shape of a cooling fan; blades 200 disposed inside the housing 100; a motor 300 disposed in the housing 100 to provide rotational force to the blades 200; and a power supply unit 400 disposed in the housing 100 to supply power to the motor 300, wherein an external power cord 500 is fixed to the power supply unit 400 by screws, thereby making an electrical connection to realize power supply.

[0054] The housing 100 is the body that forms the shape of the cooling fan, and is mainly made of plastic and formed by molding. The interior of the housing 100 is formed into a cylindrical shape and configured to force the fluid to move when the blades 200 rotate, and the exterior is formed into a quadrilateral shape so that it can be stably set in the desired installation position.

[0055] The blades 200 are disposed inside the housing 100 and rotated by the motor 300, playing a key role in moving air. Because the rotation of the blades 200 moves the air, heat from the electronic equipment can be effectively dissipated. Furthermore, the motor 300 is configured to rotate the blades 200. The blades 200 and motor 300 of this invention are compatible with known cooling fan configurations, therefore specific details will be omitted.

[0056] In this invention, the power supply unit 400 is disposed in the housing 100 and supplies power to the motor 300.

[0057] Traditional cooling fans use a power supply design that exposes the motor's power cables outside the casing. Therefore, connecting the power cables requires external soldering or a separate connector. This approach reduces power supply stability and can potentially lead to various electrical accidents or malfunctions.

[0058] The power supply unit 400 of the present invention employs an external power cord 500 fixed by screws (or bolts) to achieve electrical connection and power supply. As described above, when the external power cord 500 is fixed by screws and electrical connection is achieved, there is no need to perform work to connect the power cords, thereby improving the convenience of the setup operation and the stability of the power supply.

[0059] like Figure 1 As shown, the power supply unit 400 is disposed in a part of the housing 100, preferably in a space formed in a corner portion of the housing 100.

[0060] The configuration of the power supply unit 400 will be described in more detail, such as... Figures 2 to 4As shown, it includes: a main body 410, which has a first screw hole 411 fixedly disposed on the housing 100 and connected to the motor power line 310 of the motor 300 by screws, and a second screw hole 412 for connecting the external power line 500 by screws; a metal plate 420 disposed in the first screw hole 411 and the second screw hole 412 of the main body 410 to electrically connect the external power line 500 and the motor power line 310; and a cover 430, which is rotatably coupled to one side of the main body 410 by a rotating shaft 431 and can open or close the upper part of the main body 410.

[0061] The main body 410 and the cover 430 are preferably made of non-conductive and easily moldable plastic material, and the metal plate 420 is made of a metal material with good electrical conductivity.

[0062] The main body 410 is fixedly disposed on the housing 100. A first screw hole 411 and a second screw hole 412 are formed on the main body 410 for connecting the motor power cable 310 on the motor 300 side and the external power cable 500. The screw connection methods of the first screw hole 411 and the second screw hole 412 can be mainly divided into two types.

[0063] First, as shown in the figure, one method is that the lower part of the first screw hole 411 and the second screw hole 412 is closed, and the screw is inserted and fixed by drilling into the bottom of the hole. Another method is that the inner sides of the first screw hole 411 and the second screw hole 412 are threaded to be engaged and fixed with a screw that matches the hole.

[0064] When there are two motor power cables 310, two external power cables 500 are also required. Therefore, as shown in the figure, there are two first screw holes 411 and two second screw holes 412. In addition, the cooling fan of the present invention is pre-assembled with the motor power cables 310 at the factory, so that during installation, the operator only needs to connect the external power cable 500, thus simplifying the installation process.

[0065] The metal plate 420 of the power supply unit 400 is disposed in the first screw hole 411 and the second screw hole 412 to electrically connect the external power cord 500 and the motor power cord 310. Figures 4 to 5 As shown, the metal plate 420 is disposed on the upper part of the first screw hole 411 and the second screw hole 412. When disposed, a metal plate 420 is placed on the upper part of the first screw hole 411 and the second screw hole 412, so that the external power line 500 and the motor power line 310 are electrically connected.

[0066] More specifically, a metal plate 420 covering both the first screw hole 411 and the second screw hole 412 is placed above the holes, and after the motor power cord 310 and the external power cord 500 are arranged on the upper part of the metal plate 420, they are then joined by screws. At this time, the power cord can be joined by wrapping the wire with the removed sheath around the screw, but preferably, the terminal (terminal) is joined to the power cord so that the terminal portion is fixed by screws.

[0067] In addition, such as Figures 2 to 3 As shown, the cover 430 of the power supply unit 400 is rotatably connected to one side of the main body 410 via a rotating shaft 431, so that the upper part of the main body 410 can be opened or closed. That is, when connecting the external power cord 500, as... Figure 4 As shown, after opening the cover 430, proceed with the connection operation. After the connection operation is completed, as follows: Figure 5 As shown, the cover 430 is closed to prevent the electrical connection parts from being exposed to the outside.

[0068] The cover 430 prevents the portion where the motor power cord 310 and the external power cord 500 are connected from being exposed to the outside, thereby protecting the main body 410 and preventing short circuit accidents by preventing foreign matter such as dust from entering.

[0069] Furthermore, preferably, when the cover 430 is open or closed, a gap space is formed between the main body 410 and the cover 430 to prevent interference between the motor power line 310 and the external power line 500.

[0070] Furthermore, a protruding pin 432 is integrally formed on the opposite side of the rotation shaft 431 of the cover portion 430, so that it is inserted into the engagement groove 413 formed in the main body portion 410 at the closed angle of the cover portion 430, thereby ensuring that the cover is not easy to open when closed.

[0071] Furthermore, fastening portions 414 are formed on both sides of the main body 410, thus allowing the main body 410 to be easily joined and fixed to the housing 100. For example... Figures 7 to 8 As shown, the fastening part 414 has a fastening protrusion 414a that protrudes outward, so it can be engaged by inserting into the fastening groove 110 formed in the housing 100. The fastening part 414 is made of a slightly deformable rod structure, and a pressing pressure is applied to the main body 410 to insert the fastening protrusion 414a into the fastening groove 110, making it difficult to separate once the engagement is complete.

[0072] Furthermore, the fastening part 414 and the housing 100 are guided to engage through a convex-concave structure, so that the fastening protrusion 414a is precisely inserted into the position of the fastening groove 110. As shown in the figure, the main body 410 has different shapes on both sides to make the guiding structure directional, so that the engagement direction of the main body 410 is accurately engaged in the correct direction without confusion.

[0073] In addition, such as Figure 9 As shown, a partition wall 415 is integrally formed on the upper part of the main body 410 of the present invention for dividing the areas of the first screw hole 411 and the second screw hole 412 respectively. The partition wall 415 blocks the first screw hole 411 or the second screw hole 412. The partition wall 415 between the first screw hole 411 and the second screw hole 412 that need to be electrically connected is not blocked at the lower part of the partition wall 415. Therefore, the metal plate 420 can be configured to connect the first screw hole 411 and the second screw hole 412.

[0074] Furthermore, in the main body 410 of the present invention, a support flange 416 that protrudes more than the upper surface of the second screw hole 412 is formed on the outer side of the second screw hole 412, so that the metal plate 420 is supported on the flange 416, thereby stably joining without falling off.

[0075] Figure 10 Another embodiment of the invention is shown, in which a guide support plate 440 is further protruding from the main body portion 410 and the cover portion 430, which are connected to a portion of the external power cord 500. In this case, the protruding direction is the direction of connection to the external power cord 500, and the guide support plate 440 protruding from the main body portion 410 stably supports the lower part of the external power cord 500, while the guide support plate 440 protruding from the cover portion 430 supports the upper part of the external power cord 500.

[0076] As described above, the guide support plate 440 stably supports the upper and lower parts of the external power cord 500 to prevent it from bending vertically, thereby preventing damage to the external power cord 500 and preventing short circuits. Furthermore, the guide support plate 440 is a protruding portion integrally formed on both the main body 410 and the cover 430, and also functions as a handle for opening or closing the cover 430.

[0077] The present invention has been described above with reference to the embodiments described. Of course, various modifications can be made within the scope of the technical concept of the present invention.

Claims

1. A cooling fan for industrial electronic equipment, characterized in that, include: The housing (100) forms the shape of a cooling fan. The blade (200) is disposed inside the housing (100). A motor (300), disposed in the housing (100), provides rotational force to the blades (200), and A power supply unit (400) is provided in the housing (100) to supply power to the motor (300); An external power cord (500) is fixed to the power supply unit (400) by screws, thereby making an electrical connection to enable power supply.

2. The cooling fan for industrial electronic equipment according to claim 1, characterized in that, The power supply unit (400) includes: The main body (410) has a first screw hole (411) and a second screw hole (412). The first screw hole (411) is fixedly disposed on the housing (100) and connected to the motor power cord (310) on the motor (300) side by screws. The second screw hole (412) is used for connecting the external power cord (500) by screws. A metal plate (420) is provided in the first screw hole (411) and the second screw hole (412) of the main body 410 to electrically connect the external power cord (500) and the motor power cord (310), and The cover (430) is rotatably coupled to one side of the main body (410) via a rotating shaft (431) and can open or close the upper part of the main body (410).

3. The cooling fan for industrial electronic equipment according to claim 2, characterized in that, A protruding pin (432) is integrally formed on the inner side opposite to the rotation axis (431) of the cover (430), and the protruding pin (432) is inserted into the engagement groove (413) formed in the main body (410) at the closed angle of the cover (430).

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