Ventilation and heat dissipation device for machine room

Abstract

The utility model relates to the field of ventilation and heat dissipation devices, and discloses a ventilation and heat dissipation device for a machine room, which comprises a ventilation framework and is characterized in that a driving motor drives a heat dissipation fan to rotate clockwise through an anti-reverse structure when the ventilation and heat dissipation device for the machine room operates normally; when equipment in the machine room runs at an extremely low load or the equipment in the machine room is overhauled and maintained without running of the ventilation and heat dissipation device, the driving motor stops running, and the ventilation and heat dissipation device stops running. At the moment, when external air flows towards the interior of the machine room, the gear clamping block is clamped in the gear clamping opening of the rotating gear, the purpose of preventing the machine room ventilation and heat dissipation device from rotating reversely is achieved, the machine room is kept clean, dust accumulation on equipment is reduced, and the situation that the heat dissipation efficiency of the equipment is reduced or the equipment breaks down due to dust is avoided.

Description

Technical Field

[0001] The utility model relates to the field of ventilation and heat dissipation devices, in particular to a ventilation and heat dissipation device for a machine room. Background Art

[0002] The ventilation and heat dissipation device of the computer room refers to a series of devices used in environments such as computer rooms or data centers to ensure that electronic equipment such as servers, switches, storage devices, etc. maintain a suitable operating temperature. The main purpose of these devices is to remove the heat generated by the equipment and keep the temperature and humidity in the computer room within an appropriate range to ensure the normal operation of electronic equipment and extend its service life.

[0003] According to the Chinese patent authorization announcement number: CN211702769U, a hospital information ventilation and heat dissipation device is disclosed, including a main rubber fixing belt, a fixing hole is opened on one side of the main rubber fixing belt, the number of the fixing holes is two, a secondary rubber fixing belt is fixedly connected to the center of the upper surface of the main rubber fixing belt, the number of the secondary rubber fixing belts is two, the inner wall of the fan fixing hole is fixedly connected to a fan fixing block, the number of the fan fixing blocks is two, a fan fixing hole is opened on one side of the fan fixing block, and a fixing cylinder is fixedly connected to the inner wall of the fan fixing hole. The ventilation and heat dissipation device for the hospital information room, through the arrangement of the main rubber fixing belt, the main rubber block, the auxiliary rubber fixing belt and the auxiliary rubber block, can enable personnel to fix the fan through the main rubber block and the auxiliary rubber block when ventilating and cooling the hospital information room, so as to increase the stability of the fan, and the fixing method of the rubber block will not produce noise, so as not to affect the rest of the patient. However, the ventilation and heat dissipation device still has shortcomings. When this ventilation and heat dissipation device is in use, the fan blades may be pushed by the external air to form a reverse rotation, which will cause external dust and pollutants to be brought into the interior of the computer room. This situation will not only reduce the cleanliness of the interior of the computer room, but may also have an adverse effect on the operation of the equipment, and increase the difficulty and cost of computer room maintenance. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a ventilation and heat dissipation device for a computer room, which solves the problem that the fan blades may be pushed by the external air to form a reverse direction, which will cause external dust and pollutants to be brought into the computer room. This situation will not only reduce the cleanliness of the interior of the computer room, but may also have an adverse effect on the operation of the equipment, and increase the difficulty and cost of computer room maintenance.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a ventilation and heat dissipation device for a machine room, comprising a ventilation frame, a ventilation and heat dissipation structure is installed inside the ventilation frame, the ventilation and heat dissipation structure includes a heat dissipation fan and a dustproof net, the inner side of the ventilation frame is fixedly connected to a drive motor through a connecting structure, the output end of the drive motor is connected to the heat dissipation fan through a transmission shaft, an anti-reversal structure is installed on the surface of the transmission shaft, the anti-reversal structure includes a rotating gear, a gear bayonet and a gear block, the rotating gear is fixedly connected to the side surface of the transmission shaft, a plurality of gear bayonet holes are provided on one side surface of the rotating gear, a connecting rod is rotatably connected to the side surface of the connecting rod, a gear block is fixedly connected to one end of the connecting rod, a second rotating shaft is rotatably connected to the side surface of the connecting rod, a third rotating shaft is rotatably connected to the side surface of the connecting structure, and a spring structure is provided between the second rotating shaft and the third rotating shaft;

[0006] An installation structure is installed on the outer side of the ventilation frame, and the installation structure includes a wall and a slider. A ventilation and heat dissipation port is opened on the inner side of the wall. A slider is fixedly connected to the side surface of the ventilation frame. The ventilation frame is slidably connected to the inside of the ventilation and heat dissipation port through the slider. The internal thread of the slider is connected with coarse and thin bolts. The coarse bolt part of the coarse and thin bolts is threadedly connected to the inside of the wall, and the fine bolt part of the coarse and thin bolts is threadedly connected to the inside of the slider.

[0007] Preferably, a dustproof net is installed on the outer surface of the ventilation frame.

[0008] Preferably, the dustproof net is fixedly mounted on the outer surface of the ventilation frame by means of mounting bolts.

[0009] Preferably, a plurality of mesh holes are formed through the surface of the dustproof net.

[0010] Preferably, a wire groove is provided on the inner surface of the connecting structure.

[0011] Preferably, the gear bayonet and the gear block are of the same shape and size.

[0012] Preferably, the connecting rod is rotatably connected to the side surface of the connecting structure via a first rotating shaft.

[0013] Preferably, four sliders are provided, and the four sliders are respectively fixedly connected to the upper and lower ends of the two side surfaces of the ventilation frame.

[0014] Beneficial Effects

[0015] The utility model provides a ventilation and heat dissipation device for a machine room. Compared with the prior art, it has the following beneficial effects:

[0016] 1. In the utility model, by setting the anti-reversal structure, when the ventilation and heat dissipation device of the machine room is operating normally, the driving motor drives the cooling fan to rotate clockwise, so that the hot air inside the machine room is sucked into the machine room through the ventilation frame and discharged to the outside, so as to achieve the purpose of ventilation and heat dissipation of the machine room. When the equipment inside the machine room is operating at an extremely low load or the equipment inside the machine room is overhauled and maintained and the ventilation and heat dissipation device does not need to be operated, the driving motor stops running. At this time, when the outside air flows toward the inside of the machine room, the gear block is stuck in the gear bayonet of the rotating gear, thereby preventing the rotating gear from rotating counterclockwise, achieving the purpose of anti-reversal of the ventilation and heat dissipation device of the machine room, and preventing the cooling fan from rotating in the opposite direction when it is not needed to operate, thereby avoiding dust, pollutants or other particulate matter in the outside air from being brought into the machine room, keeping the machine room clean, reducing dust accumulation on the equipment, and avoiding the reduction of equipment heat dissipation efficiency or failure due to dust;

[0017] 2. In the utility model, by providing a slider and thick and thin bolts, when installing the ventilation and heat dissipation device of the machine room, the ventilation frame is slidably connected to the ventilation and heat dissipation port opened through the wall through the slider, and then the thick and thin bolts are threadedly connected to the inside of the slider, so that the ventilation frame can be installed. When disassembling, the four thick and thin bolts are unscrewed, and the ventilation frame can be directly taken out from the inside of the wall, which is convenient for the inspection and maintenance of the ventilation and heat dissipation device, and also convenient for the cleaning or replacement of the dust net installed on the outside of the ventilation frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a ventilation and heat dissipation device for a machine room proposed by the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of a ventilation frame in a ventilation and heat dissipation device for a machine room proposed by the utility model;

[0020] Figure 3 A ventilation and heat dissipation device for a machine room proposed by the utility model Figure 2 The enlarged view of point A in the middle;

[0021] Figure 4 This is a three-dimensional schematic diagram of the rear side of a ventilation and heat dissipation device for a machine room proposed by the utility model;

[0022] Figure 5 The utility model is a three-dimensional schematic diagram of thick and thin bolts in a ventilation and heat dissipation device for a machine room.

[0023] Legend:

[0024] 1. Ventilation frame; 2. Ventilation and heat dissipation structure; 201. Connection structure; 202. Drive motor; 203. Cooling fan; 204. Dust screen; 205. Mounting bolts; 3. Anti-reversal structure; 301. Rotating gear; 302. Gear bayonet; 303. First rotating shaft; 304. Connecting rod; 305. Gear block; 306. Second rotating shaft; 307. Third rotating shaft; 308. Spring structure; 4. Mounting structure; 401. Wall; 402. Slider; 403. Thick and thin bolts. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 The utility model provides two technical solutions, which specifically include the following embodiments:

[0027] Embodiment 1:

[0028] A ventilation and heat dissipation device for a machine room comprises a ventilation frame 1, a ventilation and heat dissipation structure 2 is installed inside the ventilation frame 1, the ventilation and heat dissipation structure 2 comprises a heat dissipation fan 203 and a dustproof net 204, a driving motor 202 is fixedly connected to the inner side of the ventilation frame 1 through a connecting structure 201, an output end of the driving motor 202 is connected to the heat dissipation fan 203 through a transmission shaft transmission, the driving motor 202 drives the heat dissipation fan 203 to rotate clockwise, so as to discharge the heat emitted by the equipment inside the machine room during operation, an anti-reversal structure 3 is installed on the surface of the transmission shaft, the anti-reversal structure 3 comprises a rotating gear 301, a gear bayonet 302 and a gear block 305, the rotating gear 301 is fixedly connected to the side surface of the transmission shaft, and a side surface of the rotating gear 301 is provided There are several gear bayonet holes 302, the side surface of the connecting structure 201 is rotatably connected to a connecting rod 304, one end of the connecting rod 304 is fixedly connected to a gear block 305, one side surface of the connecting rod 304 is rotatably connected to a second rotating shaft 306, the side surface of the connecting structure 201 is rotatably connected to a third rotating shaft 307, a spring structure 308 is provided between the second rotating shaft 306 and the third rotating shaft 307, when the rotating gear 301 rotates clockwise, the spring structure 308 is stretched and reset once each time the gear block 305 passes through a gear bayonet hole 302, and the spring structure 308 does not affect the normal rotation of the rotating gear 301, when the rotating gear 301 rotates counterclockwise, due to the engagement of the gear block 305 in the gear bayonet hole 302, the gear block 305 is locked in the gear bayonet hole 302. 02, preventing the rotating gear 301 from rotating counterclockwise, thereby realizing the anti-reversal function. A dust screen 204 is installed on the outer surface of the ventilation frame 1, and the dust screen 204 is fixedly installed on the outer surface of the ventilation frame 1 by installing bolts 205. A plurality of mesh holes are opened on the surface of the dust screen 204, and a wire groove is opened on the inner surface of the connecting structure 201. The gear bayonet 302 and the gear block 305 are of the same shape and size. The connecting rod 304 is rotatably connected to the side surface of the connecting structure 201 through the first rotating shaft 303. Through the anti-reversal structure 3, when the ventilation and heat dissipation device in the machine room is operating normally, the driving motor 202 drives the cooling fan 203 to rotate clockwise, so that the hot air inside the machine room passes through the ventilation frame 1 The air is drawn in and discharged to the outside, thereby achieving the purpose of ventilation and heat dissipation for the computer room. When the equipment inside the computer room is running at an extremely low load or the equipment inside the computer room is under maintenance and repair and the ventilation and heat dissipation device does not need to be operated, the drive motor 202 stops running. At this time, when the outside air flows toward the inside of the computer room, the gear block 305 is stuck in the gear bayonet 302 of the rotating gear 301, thereby preventing the rotating gear 301 from rotating counterclockwise, achieving the purpose of anti-reversal of the ventilation and heat dissipation device in the computer room, and preventing the cooling fan from rotating in the opposite direction when it is not needed to run, thereby avoiding dust, pollutants or other particulate matter in the outside air from being brought into the computer room, keeping the computer room clean, reducing dust accumulation on the equipment, and avoiding a decrease in equipment heat dissipation efficiency or failure due to dust.

[0029] When working, in normal operation, the drive motor 202 starts and drives the cooling fan 203 to rotate clockwise, so that the heat generated inside the machine room is drawn in through the ventilation frame 1 and discharged to the outside, achieving the purpose of ventilation and heat dissipation. In this process, the dustproof net 204 is fixed to the outer surface of the ventilation frame 1, and the mesh thereon allows air to circulate while blocking dust and other particles from entering the machine room, keeping the machine room clean. When the equipment inside the machine room is running at an extremely low load or undergoing maintenance and repair, and the ventilation and heat dissipation device does not need to be operated, the drive motor 202 stops working. At this time, if the outside air flows toward the inside of the machine room and tries to push the cooling fan 203 to rotate counterclockwise, the gear block 305 in the anti-reversal structure 3 is stuck in the gear bayonet 302 of the rotating gear 301 at this time, preventing the cooling fan 203 from rotating counterclockwise, preventing dust, pollutants or other particles in the outside air from being brought into the machine room, ensuring the cleanliness of the machine room and the safe operation of the equipment.

[0030] Embodiment 2:

[0031] On the basis of the first embodiment, a mounting structure 4 is installed on the outer side of the ventilation frame 1, and the mounting structure 4 includes a wall 401 and a slider 402. A ventilation and heat dissipation port is opened on the inner side of the wall 401. The side surface of the ventilation frame 1 is fixedly connected with the slider 402. The ventilation frame 1 is slidably connected to the inside of the ventilation and heat dissipation port through the slider 402. The internal thread of the slider 402 is connected with coarse and fine bolts 403. The coarse bolt of the coarse and fine bolts 403 is threadedly connected to the inside of the wall 401, and the fine bolt of the coarse and fine bolts 403 is threadedly connected to the inside of the slider 402. Four sliders 402 are provided, and the four sliders 402 are fixedly connected respectively. Slide blocks 402 and thick and thin bolts 403 are provided at the upper and lower ends of the two side surfaces of the ventilation frame 1. When installing the ventilation and heat dissipation device of the machine room, the ventilation frame 1 is slidably connected to the ventilation and heat dissipation port opened through the wall 401 through the slide blocks 402, and then the thick and thin bolts 403 are threadedly connected to the inside of the slide blocks 402, so that the ventilation frame 1 can be installed. When disassembling, the four thick and thin bolts 403 are screwed out, and the ventilation frame 1 can be directly taken out from the inside of the wall 401, which is convenient for the inspection and maintenance of the ventilation and heat dissipation device, and also convenient for the cleaning or replacement of the dustproof net 204 installed on the outside of the ventilation frame 1;

[0032] During the installation process, the ventilation frame 1 is slidably connected to the ventilation and heat dissipation port of the wall 401 through the slider 402, and then the coarse and fine bolts 403 are threadedly connected to the inside of the slider 402, and the coarse bolts of the coarse and fine bolts 403 are threadedly connected to the inside of the wall 401, and the fine bolts are threadedly connected to the inside of the slider 402. After the installation is completed, the ventilation frame 1 is stably fixed inside the wall 401, which is convenient for ventilation and heat dissipation. When the ventilation and heat dissipation device needs to be inspected and maintained, it is only necessary to unscrew the four coarse and fine bolts 403, and the ventilation frame 1 can be directly taken out from the inside of the wall 401, which is convenient for inspection and maintenance. At the same time, it is also convenient to clean or replace the dustproof net 204 installed on the outside of the ventilation frame 1. By setting the slider 402 and the coarse and fine bolts 403, the ventilation frame 1 is conveniently installed and disassembled, and the use efficiency and convenience of the ventilation and heat dissipation device are improved.

[0033] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the application should be included in the protection scope of the present application.

Claims

1. A ventilation and heat dissipation device for a machine room, comprising a ventilation frame (1), characterized in that: A ventilation and heat dissipation structure (2) is installed inside the ventilation frame (1), and the ventilation and heat dissipation structure (2) includes a heat dissipation fan (203) and a dustproof net (204). The inner side of the ventilation frame (1) is fixedly connected to a drive motor (202) via a connection structure (201), and the output end of the drive motor (202) is connected to the heat dissipation fan (203) via a transmission shaft. An anti-reversal structure (3) is installed on the surface of the transmission shaft, and the anti-reversal structure (3) includes a rotating gear (301), a gear bayonet (302) and a gear block (305). The rotating gear (301) The side surface of the rotating gear (301) is fixedly connected to the transmission shaft, and a plurality of gear bayonet holes (302) are provided on one side surface of the rotating gear (301). The side surface of the connecting structure (201) is rotatably connected to a connecting rod (304), one end of the connecting rod (304) is fixedly connected to a gear block (305), one side surface of the connecting rod (304) is rotatably connected to a second rotating shaft (306), and the side surface of the connecting structure (201) is rotatably connected to a third rotating shaft (307), and a spring structure (308) is provided between the second rotating shaft (306) and the third rotating shaft (307); The outer side of the ventilation frame (1) is provided with a mounting structure (4), the mounting structure (4) comprising a wall (401) and a slider (402), the inner side of the wall (401) is provided with a ventilation and heat dissipation opening, the side surface of the ventilation frame (1) is fixedly connected with the slider (402), the ventilation frame (1) is slidably connected to the inside of the ventilation and heat dissipation opening via the slider (402), the inner part of the slider (402) is threadedly connected with coarse and fine bolts (403), the coarse bolt portion of the coarse and fine bolts (403) is threadedly connected to the inside of the wall (401), and the fine bolt portion of the coarse and fine bolts (403) is threadedly connected to the inside of the slider (402).

2. A ventilation and heat dissipation device for a machine room according to claim 1, characterized in that: A dustproof net (204) is installed on the outer surface of the ventilation frame (1).

3. A ventilation and heat dissipation device for a machine room according to claim 2, characterized in that: The dustproof net (204) is fixedly mounted on the outer surface of the ventilation frame (1) by means of mounting bolts (205).

4. A ventilation and heat dissipation device for a machine room according to claim 2, characterized in that: A plurality of mesh holes are formed through the surface of the dustproof net (204).

5. The ventilation and heat dissipation device for a machine room according to claim 1, characterized in that: The inner surface of the connection structure (201) is provided with a wire groove.

6. A ventilation and heat dissipation device for a machine room according to claim 1, characterized in that: The gear bayonet (302) and the gear clamping block (305) are of the same shape and size.

7. The ventilation and heat dissipation device for a machine room according to claim 1, characterized in that: The connecting rod (304) is rotatably connected to the side surface of the connecting structure (201) via a first rotating shaft (303).

8. The ventilation and heat dissipation device for a machine room according to claim 1, characterized in that: Four sliders (402) are provided, and the four sliders (402) are respectively fixedly connected to the upper and lower ends of the two side surfaces of the ventilation frame (1).

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