CN115038313A - Network rack that heat dispersion is good - Google Patents

Abstract

The invention discloses a network cabinet with good heat dissipation performance, comprising a dehumidification mechanism, an adjustment mechanism, a cleaning mechanism, an air supply mechanism and a box body. The mechanism is fixedly installed on the upper and lower ends of the box body, the cleaning mechanism is fixedly connected to the outside of the adjustment mechanism, and the air supply mechanism is fixedly installed on the side of the box body close to the dehumidification mechanism. The beneficial effect of the present invention is that the dehumidification mechanism can have a moisture-proof function, The adjustment mechanism can ensure that the equipment continuously dehumidifies and dries the dehumidification mechanism. The cleaning mechanism can clean the dust generated by the inhaled air. The air supply mechanism can provide a good cooling air duct for the cabinet. Stability, extending the maintenance cycle of the cabinet.

Description

A network cabinet with good heat dissipation performance

technical field

The invention relates to the technical field of network cabinets, in particular to a network cabinet with good heat dissipation performance.

Background technique

The network cabinet is composed of a frame and a cover (door) and is placed on the ground. It provides suitable environment and safety protection for the normal operation of electronic equipment. A cabinet that does not have an enclosed structure is called a rack. The network cabinet should have good technical performance. The structure of the cabinet should be based on the electrical and mechanical properties of the equipment and the requirements of the use environment, and the necessary physical and chemical design should be carried out to ensure that the structure of the cabinet has good rigidity and strength, as well as good electromagnetic isolation, grounding, noise isolation, ventilation and heat dissipation. and other performance. In addition, the network cabinet should have anti-vibration, anti-shock, anti-corrosion, dust-proof, waterproof, anti-radiation and other properties to ensure the stable and reliable operation of the equipment. The network cabinet should have good usability and safety protection facilities, which are convenient for operation, installation and maintenance, and can ensure the safety of operators. The network cabinet should be easy to manufacture, assemble, debug, and package for transportation. The network cabinet should meet the requirements of standardization, normalization and serialization. The cabinet is beautiful in appearance, suitable for use, and color-coordinated.

However, in the existing equipment, the structure of the network cabinet is simple, and passive heat dissipation is used to dissipate heat to the equipment in the cabinet. The heat dissipation efficiency is low, and in a humid environment, the existing equipment does not have a moisture-proof function, and the traditional network cabinet is in a humid environment. During operation, the moist air will enter the cabinet, and the flowing moist air will enter the network equipment, causing corrosion of the network equipment, reducing the working life of the equipment, and possibly causing the equipment to short-circuit and be dangerous.

SUMMARY OF THE INVENTION

In view of the problems in the prior art, the present invention provides a network cabinet with good heat dissipation performance, which solves the problem that in the existing equipment, the structure of the network cabinet is simple, the equipment in the cabinet is radiated by passive heat dissipation, and the heat dissipation efficiency is low, and In a humid environment, the existing equipment does not have moisture-proof function. Traditional network cabinets operate in a humid environment. Moist air will enter the cabinet, and the flowing moist air will enter the network equipment, causing corrosion of the network equipment. The working life of the equipment may also cause the equipment to short-circuit and be dangerous.

To achieve the above object, the present invention is achieved through the following technical solutions:

The technical solution adopted by the present invention to solve the technical problem is: a network cabinet with good heat dissipation performance, comprising a dehumidification mechanism, an adjustment mechanism, a cleaning mechanism, an air supply mechanism and a box body, and the dehumidification mechanism is slidably connected to the adjustment mechanism Inside, the adjustment mechanism is rotatably connected to the outside of the box, the cleaning mechanism is fixedly installed on the upper and lower ends of the box, the cleaning mechanism is fixedly connected to the outside of the adjustment mechanism, and the air supply mechanism is fixed It is installed on the side of the box body close to the dehumidification mechanism.

Preferably, the dehumidification mechanism includes a dehumidification box, a storage bag and a desiccant, the top and bottom of the dehumidification box are provided with through holes, the desiccant is placed in the storage bag, and the storage bag is placed in the dehumidification box.

Preferably, the adjustment mechanism includes a turntable, a spring, a pressure sensor, a control box and a motor, a turning slot is opened on one side of the box, the turntable is rotatably connected to the turning slot, and the turntable is far away from the box One side of the body is provided with a first chute, the bottom end of the first chute is provided with an opening, the opening communicates with the side of the turntable close to the box body, and the dehumidification box is connected to the dehumidification box through the first chute. The turntable is slidably connected, one end of the first chute away from the axis of the turntable is fixedly connected to the base of the pressure sensor, the working end of the pressure sensor is fixedly connected with a spring, and the other end of the spring is fixedly connected to the base of the pressure sensor. The side wall of the dehumidification box, the motor is embedded in the side wall of the box, the output shaft of the motor is fixedly connected to the axis of the turntable through a coupling, and the control box is embedded in the side of the box. Inside the wall, the control box is wired to the motor, the pressure sensor and an external power source.

Preferably, the cleaning mechanism includes a filter screen, a fixed sheet, a sliding rod, a cross bar, a fixed rod, a slider and a brush, the filter screen is fixedly connected to the side of the turntable away from the box body, and the fixed sheet is fixed is connected to the end of the box body, both ends of the sliding rod are fixedly connected to the fixing sheet, the horizontal rod is provided with a sliding hole, and the horizontal rod is slidably connected to the sliding rod through the sliding hole, The side of the cross bar away from the box is provided with a second chute, the second chute is slidably connected with the slider, the upper end surface of the slider is fixedly connected with the fixing rod, and the The other end of the fixing rod is fixedly connected to the filter screen.

Preferably, the air supply mechanism includes a first fan and a second fan, a first ventilation port and a second ventilation port are opened at the bottom of the rotating groove, and both the first ventilation port and the second ventilation port are connected to the box. The inner side of the body communicates with each other, the first fan is fixedly installed on the inner wall of the first ventilation opening, the second fan is fixedly installed in the second ventilation opening, and both the first fan and the second fan pass through wires Connect to an external power source.

Preferably, the desiccant is made of silica gel.

Preferably, cooling fins are fixedly installed on both side walls of the box body.

Preferably, a slide rail is fixedly connected to the inner side wall of the box body, and the other end of the slide rail is fixedly connected to the side wall of the partition plate.

Preferably, the top end of the separator is provided with a vent hole, and the other end of the vent hole communicates with the bottom end of the separator.

Preferably, lifting legs are fixedly installed on the bottom of the box body.

Beneficial effects of the present invention:

(1) A network cabinet with good heat dissipation performance according to the present invention can absorb the moisture in the passing humid air through the dehumidification mechanism, so as to ensure that the air entering the network cabinet after passing through the dehumidification mechanism is dry, which avoids the need for network Cabinets and running equipment are corroded and damaged due to humid air, which improves the operational stability and service life of the equipment.

(2) In the network cabinet with good heat dissipation performance according to the present invention, the desiccant that absorbs saturated moisture in the dehumidification mechanism can be switched to the desiccant that does not absorb moisture through the adjustment mechanism, so as to ensure the desiccant entering the network cabinet. The outside air is dry, which can ensure the continuous operation of the equipment, which improves the stability of the equipment operation, reduces the maintenance frequency of the network cabinet by personnel, and prolongs the maintenance period of the network cabinet.

(3) In the network cabinet with good heat dissipation performance according to the present invention, the periodic rotation of the adjustment mechanism is converted into reciprocating motion by the cleaning mechanism, and the outer surface of the adjustment mechanism is cleaned twice by the periodical rotation of the adjustment mechanism once. In this way, the cleaning efficiency is improved, so as to prevent dust in the air from blocking the air inlet and outlet, ensure the heat dissipation stability of the network cabinet, and prolong the working life of the network cabinet.

(4) In the network cabinet with good heat dissipation performance according to the present invention, the external humid air can be dried and sent into the network cabinet through the cooperation of the air supply mechanism and the dehumidification mechanism, so as to improve the heat dissipation performance of the network cabinet and ensure the The network cabinet and network equipment are not corroded by humid air, which improves the operation stability and working life of the equipment. The air supply mechanism and adjustment mechanism can take the heat generated inside the network cabinet to the outside of the network cabinet. When the internal air enters the dehumidification mechanism, the desiccant saturated with moisture absorption can be dried, and the desiccant saturated with moisture absorption can be converted into desiccant with unsaturated moisture absorption, so that it can be reused when the humid air is dried next time. In this way, the desiccant can be recycled, which can save energy, reduce the operating cost of the cabinet, and at the same time can improve the stability of the equipment and prolong the maintenance period of the equipment.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the overall structure schematic diagram provided by the present invention;

Fig. 2 is the overall structure schematic diagram of the cleaning mechanism provided by the present invention;

Fig. 3 is the internal front view schematic diagram provided by the present invention;

4 is a schematic top view provided by the present invention;

Fig. 5 is A-A sectional schematic diagram in Fig. 4;

Fig. 6 is the enlarged schematic diagram at A in Fig. 5;

Fig. 7 is a partial enlarged schematic diagram at B-B in Fig. 4;

In the figure: 1. Dehumidification mechanism; 2. Adjustment mechanism; 3. Cleaning mechanism; 4. Air supply mechanism; 5. Box body; 6. Heat sink; 7. Slide rail; , Lifting legs; 11, Dehumidification box; 12, Storage bag; 13, Desiccant; 21, Turntable; 22, Spring; 23, Pressure sensor; 24, Control box; 25, Motor; 26, Turn slot; 27, Section A chute; 28, opening; 31, filter screen; 32, fixing piece; 33, sliding bar; 34, cross bar; 35, fixing bar; 36, sliding block; 37, brush; 38, sliding hole; 39, the first Two chute; 41, the first fan; 42, the second fan; 43, the first vent; 44, the second vent.

Detailed ways

In order to make it easy to understand the technical means, creation features, achieved goals and effects of the present invention, the present invention will be further described below with reference to the specific embodiments.

By providing a network cabinet with good heat dissipation performance, this embodiment solves the problem that in the existing equipment, the structure of the network cabinet is simple, the equipment in the cabinet is radiated by passive heat dissipation, and the heat dissipation efficiency is low, and in a humid environment, the existing The equipment does not have moisture-proof function. The traditional network cabinet operates in a humid environment. Moist air will enter the cabinet, and the flowing moist air will enter the network equipment, causing corrosion of the network equipment and reducing the working life of the equipment. May cause equipment to short circuit and cause dangerous problems.

As shown in Figures 1 and 2, a network cabinet with good heat dissipation performance includes a dehumidification mechanism 1, an adjustment mechanism 2, a cleaning mechanism 3, an air supply mechanism 4 and a cabinet 5. The dehumidification mechanism 1 is slidably connected to the adjustment mechanism 2. , the adjustment mechanism 2 is rotatably connected to the outside of the box body 5, the cleaning mechanism 3 is fixedly installed on the upper and lower ends of the box body 5, the cleaning mechanism 3 is fixedly connected to the outside of the adjustment mechanism 2, and the air supply mechanism 4 is fixedly installed near the box body 5. One side of the dehumidification mechanism 1; when the staff uses it, the humid air passing through the dehumidification mechanism 1 can absorb the moisture in it, so as to ensure that the air entering the network cabinet after passing through the dehumidification mechanism 1 is dry, which avoids the network cabinet and operation. The equipment is corroded and damaged due to humid air, which improves the operation stability and service life of the equipment. Through the adjustment mechanism 2, the desiccant 13 that absorbs saturated moisture in the dehumidification mechanism 1 can be switched to the desiccant 13 that does not absorb moisture saturated, so as to ensure that the outside air entering the network cabinet is dry, and the equipment can be guaranteed to run continuously. Improve the stability of equipment operation, reduce the number of maintenance of the network cabinet by personnel, and prolong the maintenance cycle of the network cabinet. The outer surface of the adjustment mechanism 2 is cleaned twice by the rotation, which improves the cleaning efficiency, thereby preventing the dust in the air from blocking the air inlet and outlet, ensuring the heat dissipation stability of the network cabinet, and prolonging the working life of the network cabinet. 4 With the dehumidification mechanism 1, the humid air from the outside can be dried and sent to the inside of the network cabinet, which improves the heat dissipation performance of the network cabinet and ensures that the network cabinet and network equipment are not corroded by the humid air, which improves the operation stability of the equipment. Through the air supply mechanism 4 and the adjustment mechanism 2, the heat generated inside the network cabinet can be taken out to the outside of the network cabinet. When the internal air with heat enters the dehumidification mechanism 1, it can absorb the moisture-saturated drying The desiccant 13 is dried, and the desiccant 13 saturated with moisture absorption is converted into the desiccant 13 that is not saturated with moisture absorption, so that it can be reused when the humid air is dried next time, and the desiccant 13 can be recycled in this way, which can save energy and reduce energy consumption. The operating cost of the cabinet can improve the stability of the equipment and prolong the maintenance period of the equipment.

As shown in FIG. 5 and FIG. 6 , the dehumidification mechanism 1 includes a dehumidification box 11 , a storage bag 12 and a desiccant 13 , through holes are formed on both sides of the dehumidification box 11 , the desiccant 13 is placed in the storage bag 12 , and the storage bag 12 is placed In the dehumidification box 11 ; when the staff uses it, the network cabinet enters the humid air into the dehumidification box 11 through the through hole, and the humid air contacts the desiccant 13 , so that the humid air is dehumidified, and then passes through the other side of the dehumidification box 11 Go inside the network cabinet.

As shown in FIGS. 5-7 , the adjustment mechanism 2 includes a turntable 21, a spring 22, a pressure sensor 23, a control box 24 and a motor 25. One side of the box body 5 is provided with a turning slot 26, and the turntable 21 is rotatably connected to the turning slot 26. A first chute 27 is provided on the side of the turntable 21 away from the box body 5, and an opening 28 is provided at the bottom end of the first chute 27. The opening 28 communicates with the side of the turntable 21 close to the box body 5, and the dehumidification box 11 passes through the first chute 27. The chute 27 is slidably connected with the turntable 21, and one end of the first chute 27 away from the axis of the turntable 21 is fixedly connected to the base of the pressure sensor 23, the working end of the pressure sensor 23 is fixedly connected to the spring 22, and the other end of the spring 22 is fixedly connected to the base of the pressure sensor 23. On the side wall of the dehumidification box 11 , the motor 25 is embedded in the side wall of the box body 5 , the output shaft of the motor 25 is fixedly connected to the axis of the turntable 21 through a coupling, and the control box 24 is embedded in the side wall of the box body 5 . , the control box 24 is connected to the motor 25, the pressure sensor 23 and the external power supply through wires; when the staff uses it, the network cabinet inhales the humid air from the outside, and dries the air through the desiccant 13. The mass of the dehumidification box 11 increases, and the dehumidification box 11 Moving in the first chute 27, the dehumidification box 11 saturated with water absorbs more pressure and transmits it to the pressure sensor 23 through the spring 22. The pressure sensor 23 transmits the signal to the control box 24. The turntable 21 rotates, so that the next desiccant 13 that is not saturated with water is fed into the first vent 43, thereby ensuring that the network cabinet can continuously dry the humid air, thus ensuring the operation stability of the equipment and improving the equipment. working life.

As shown in FIGS. 2 and 5 , the cleaning mechanism 3 includes a filter screen 31 , a fixed piece 32 , a sliding rod 33 , a cross rod 34 , a fixed rod 35 , a sliding block 36 and a brush 37 , and the filter screen 31 is fixedly connected to the turntable 21 away from the box. On one side of the body 5, the fixed piece 32 is fixedly connected to the end of the box body 5, both ends of the sliding rod 33 are fixedly connected to the fixed piece 32, the horizontal rod 34 is provided with a sliding hole 38, and the horizontal rod 34 passes through the sliding hole 38. It is slidably connected with the slide bar 33, the side of the cross bar 34 away from the box body 5 is provided with a second chute 39, the second chute 39 is slidably connected with the slider 36, and the upper end surface of the slider 36 is fixedly connected with a fixing rod 35, The other end of the fixing rod 35 is fixedly connected to the filter screen 31; when the staff uses it, the rotation of the turntable 21 makes the fixing rod 35 push the slider 36 to slide in the second chute 39, so that the cross bar 34 slides on the sliding rod 33 By moving up and down repeatedly, the filter screen 31 can be cleaned by the brush 37 on the horizontal bar 34 , which reduces the cost of cleaning the equipment, reduces the time required for equipment maintenance, and prolongs the period of equipment maintenance.

As shown in FIG. 3 , the air supply mechanism 4 includes a first fan 41 and a second fan 42 , a first vent 43 and a second vent 44 are opened at the bottom of the turning slot 26 , and the first vent 43 and the second vent 44 Both are connected to the inside of the box body 5, the first fan 41 is fixedly installed on the inner wall of the first ventilation port 43, and the second fan 42 is fixedly installed in the second ventilation port 44. The first fan 41 and the second fan 42 are connected to the outside through wires. The power supply is connected; when the staff uses it, the outside air is sucked into the network cabinet through the first fan 41, and the second fan 42 discharges the air in the network cabinet to the outside, so that the circulating air duct makes the heat in the network cabinet be taken away, so that the network cabinet can work continuously and improve the stability of equipment operation.

As shown in Figure 6, the desiccant 13 is made of silica gel; silica gel is an organic substance, which is heat-resistant. As the desiccant 13, it can absorb moisture without bringing in impurities, and it can be recycled. Dry and absorb the moisture-saturated desiccant 13, and take out the moisture in the desiccant 13, so that the next time the cabinet inhales the external humid air to absorb the moisture in the air again, and recycling can reduce the equipment operating cost and prolong the equipment maintenance period.

As shown in Figures 1 and 2, the two side walls of the box body 5 are fixedly installed with heat sinks 6; the box body 5 is made of metal material with thermal conductivity, and the network equipment generates heat during operation. The box body 5 will absorb part of the heat, install the heat sink 6. It can increase the area in contact with the outside air, and can dissipate the heat absorbed by the box body 5 more quickly, ensure the stability of equipment operation, and improve the working life of the cabinet.

As shown in FIGS. 1 and 3 , a slide rail 7 is fixedly connected to the inner side wall of the box body 5 , and the other end of the slide rail 7 is fixedly connected to the side wall of the partition 8 ; Outside the cabinet, it is convenient to install and remove network equipment and improve the work efficiency of staff.

As shown in Figure 1, Figure 3 and Figure 5, the top of the partition plate 8 is provided with a ventilation hole 81, and the other end of the ventilation hole 81 communicates with the bottom end of the partition plate 8; In this way, it is convenient to take away the heat generated by the network equipment during operation, and further strengthen the internal heat dissipation of the cabinet.

As shown in Figure 1, the bottom of the box body 5 is fixedly installed with lifting legs 9; the lifting legs 9 are convenient for staff to adjust the height of the network cabinet, so that the network equipment can work smoothly, and avoid equipment damage or damage caused by the shaking of the cabinet. The risk of personal injury, improve the working stability of the equipment, and reduce the occurrence of danger.

When the present invention is used, the staff first puts the network equipment into the network cabinet, closes the cabinet door to form a closed space inside, and then controls the external power supply to make the first fan 41 and the second fan 42 run, and the outside is humid. The air passes through the filter screen 31 to take out the dust, and passes through the dehumidification box 11 so that the desiccant 13 in it absorbs moisture from the humid air, and the dry air enters the cabinet through the first vent 43. When the desiccant 13 absorbs moisture and the saturated mass increases, dehumidification The box 11 slides down in the first chute 27 through the increase of its own gravity, and the generated pressure is transmitted to the pressure sensor 23 through the spring 22, and the pressure sensor 23 transmits the signal to the control box 24. When the pressure sensor 23 transmits the signal to reach the set value At the threshold, the control box 24 controls the motor 25 to rotate, so that the turntable 21 is deflected in angle, so that the desiccant 13 that absorbs moisture is switched to the next desiccant 13 that is not saturated with moisture, so that the moist air can be continuously removed. Drying is carried out to ensure the operation stability of the equipment and improve the working life of the equipment. The heat generated by the equipment in the network cabinet can be taken away through the second fan 42, and the air with heat is discharged to the dehumidifier through the second vent 44. In the box 11, the desiccant 13 is dried in this way, and the flowing air with heat can take away the moisture in the desiccant 13, thus reducing the quality of the desiccant 13, so that with the rotation of the turntable 21, the desiccant is 13 absorbs the moisture of the humid air again, so that the desiccant 13 can be recycled, the cost of equipment operation is reduced, the continuous operation of the equipment is ensured, and the working life of the equipment is improved. Sliding in the groove 39, so that the cross bar 34 moves up and down repeatedly on the sliding bar 33, and the filter screen 31 can be cleaned by the brush 37 on the cross bar 34, which reduces the cost of equipment cleaning and dust, reduces the time required for equipment maintenance, and prolongs the In the maintenance cycle of the equipment, silica gel is an organic substance and is heat-resistant. As a desiccant 13, it can absorb moisture without bringing in impurities, and it can be recycled. The heat discharged from the cabinet can be used to dry and absorb moisture-saturated desiccant. 13. Take out the moisture in the desiccant 13, so that the next time the cabinet inhales the external moist air and absorbs the moisture in the air again, recycling can reduce the operating cost of the equipment and prolong the maintenance period of the equipment. The box 5 is made of metal material with thermal conductivity. When the network equipment is running, the heat generated by the box 5 will absorb some of the heat. Installing the heat sink 6 can increase the area in contact with the outside air, and can dissipate the heat absorbed by the box 5 more quickly, ensuring the stability of equipment operation and improving the cabinet. working life. The partition 8 is moved out of the cabinet through the sliding rail 7, which facilitates the installation and removal of network equipment, and improves the work efficiency of the staff. It can further strengthen the internal heat dissipation of the cabinet, and the lifting legs 9 are convenient for the staff to adjust the height of the network cabinet, so that the network equipment can work smoothly, avoiding the risk of equipment damage or personal injury caused by the shaking of the cabinet, and improving the working stability of the equipment. , reduce the risk of occurrence.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also There are various changes and improvements which fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a network cabinet that heat dispersion is good, includes dehumidification mechanism (1), guiding mechanism (2), clearance mechanism (3), air supply mechanism (4) and box (5), its characterized in that: dehumidification mechanism (1) sliding connection to in guiding mechanism (2), guiding mechanism (2) rotate to be connected to the outside of box (5), clearance mechanism (3) fixed mounting is in the upper and lower both ends of box (5), clearance mechanism (3) fixed connection to the outside of guiding mechanism (2), air supply mechanism (4) fixed mounting be in box (5) are close to one side of dehumidification mechanism (1).

2. The network cabinet with good heat dissipation performance according to claim 1, wherein: dehumidification mechanism (1) is including dehumidification box (11), accomodate bag (12) and drier (13), the through-hole has been seted up to the both sides of dehumidification box (11), drier (13) are placed in accomodating bag (12), accomodate bag (12) and place in dehumidification box (11).

3. The network cabinet with good heat dissipation performance according to claim 1, wherein: the adjusting mechanism (2) comprises a rotary table (21), a spring (22), a pressure sensor (23), a control box (24) and a motor (25), a rotary groove (26) is formed in one side of the box body (5), the rotary table (21) is rotationally connected with the rotary groove (26), a first sliding groove (27) is formed in one side, away from the box body (5), of the rotary table (21), an opening (28) is formed in the bottom end of the first sliding groove (27), the opening (28) is communicated with one side, close to the box body (5), of the rotary table (21), the dehumidifying box (11) is slidably connected with the rotary table (21) through the first sliding groove (27), the base of the pressure sensor (23) is fixedly connected to one end, away from the axis of the rotary table (21), of the first sliding groove (27), and the spring (22) is fixedly connected to the working end of the pressure sensor (23), the other end of the spring (22) is fixedly connected to the side wall of the dehumidification box (11), the motor (25) is buried in the side wall of the box body (5), an output shaft of the motor (25) is fixedly connected to the axis of the rotary disc (21) through a coupler, the control box (24) is buried in the side wall of the box body (5), and the control box (24) is connected to the motor (25), the pressure sensor (23) and an external power supply through wires.

4. The network cabinet with good heat dissipation performance according to claim 1, wherein: the cleaning mechanism (3) comprises a filter screen (31), a fixing piece (32), a sliding rod (33), a cross rod (34), a fixing rod (35), a sliding block (36) and a brush (37), the filter screen (31) is fixedly connected to one side of the rotary disc (21) far away from the box body (5), the fixed plate (32) is fixedly connected to the end part of the box body (5), both ends of the sliding rod (33) are fixedly connected to the fixed plate (32), the cross bar (34) is provided with a sliding hole (38), the cross bar (34) is connected with the sliding rod (33) in a sliding way through the sliding hole (38), a second sliding groove (39) is arranged on one side of the cross bar (34) far away from the box body (5), the second sliding chute (39) is connected with the sliding block (36) in a sliding way, the upper end surface of the sliding block (36) is fixedly connected with the fixed rod (35), the other end of the fixing rod (35) is fixedly connected to the filter screen (31).

5. The network cabinet with good heat dissipation performance according to claim 1, wherein: air supply mechanism (4) include first fan (41) and second fan (42), first vent (43) and second vent (44) have been seted up to rotary trough (26) bottom, first vent (43) with second vent (44) all link up with box (5) are inboard mutually, first vent (43) inner wall fixed mounting have first fan (41), second vent (44) fixed mounting have second fan (42), first fan (41) with second fan (42) all are connected with external power source through the wire.

6. The network cabinet with good heat dissipation performance according to claim 2, wherein: the drying agent (13) is made of silica gel.

7. The network cabinet with good heat dissipation performance according to claim 1, wherein: and radiating fins (6) are fixedly arranged on two side walls of the box body (5).

8. The network cabinet with good heat dissipation performance according to claim 1, wherein: the inside wall fixedly connected with slide rail (7) of box (5), the other end fixed connection of slide rail (7) is to the lateral wall of baffle (8).

9. The network cabinet with good heat dissipation performance according to claim 8, wherein: the top end of the clapboard (8) is provided with an air hole (81), and the other end of the air hole (81) is communicated with the bottom end of the clapboard (8).

10. The network cabinet with good heat dissipation performance according to claim 1, wherein: and lifting support legs (9) are fixedly arranged at the bottom of the box body (5).

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