CN113068379B - Dustproof rack of computer - Google Patents

Abstract

The invention discloses a dustproof computer cabinet which comprises a cabinet body, an upper cabinet and a lower cabinet door, wherein the upper cabinet and the lower cabinet door are hinged to the front surface of the cabinet body, air supply assemblies are communicated with two sides of the cabinet body, automatic screen replacing assemblies are arranged on two sides of the inner wall of the cabinet body, and a water storage tank, a small air compressor and a controller are respectively arranged at the bottom of the inner wall of the cabinet body. According to the invention, by arranging the inflatable sealing ring, the wire can be inflated after passing through the inflatable sealing ring, so that the inflatable sealing ring is expanded, gaps between the wire and the fixing plate are filled, the sealing effect is achieved, and dust is prevented from entering the cabinet from the plug socket of the wire; by arranging the automatic screen replacing device, the second filter screen can be automatically replaced, so that the problem that the filter screen holes are blocked by dust after long-time use to influence the heat dissipation effect is effectively avoided, and the replacing period can be increased; through clearance electrostatic precipitator net, second filter screen and first filter screen, can realize the three-layer and filter, improve dustproof effect.

Description

A computer dustproof cabinet

technical field

The invention relates to the technical field of computer cabinets. Specifically, it is a computer dustproof cabinet.

Background technique

The cabinet is a casing used to accommodate electrical or electronic equipment. The equipment in the cabinet will generate heat during operation. During the cooling process, dust will be carried into the cabinet, which will affect the normal use of the equipment in the cabinet and affect its operation. Service life, the existing cabinet dust-proof net needs to be replaced manually after long-term use, and the replacement is inconvenient, which brings some inconvenience to the use, and the existing cooling method of the cabinet is mostly direct cooling by the fan, and the dust-proof effect is not good. Moreover, the heat dissipation method cannot be adjusted according to the external temperature, the heat dissipation method is single, and the existing cabinet lacks effective protection for the wire rods entering and leaving the cabinet, resulting in dust easily entering the cabinet from the connection between the wire rod and the cabinet.

Contents of the invention

Therefore, the technical problem to be solved by the present invention is to provide a computer dustproof cabinet with good dustproof effect and various heat dissipation methods.

In order to solve the above technical problems, the present invention provides the following technical solutions: a computer dustproof cabinet, comprising a cabinet body, an upper cabinet and a lower cabinet door hinged to the front of the cabinet body, the front of the upper cabinet door is provided with an observation window, the Both sides of the cabinet body are connected with air supply components, and both sides of the inner wall of the cabinet body are equipped with automatic screen changer components. The positions of the air supply component and the automatic screen changer component correspond to each other. A fixed plate is fixedly connected, the side wall of the fixed plate is provided with through holes, the bottom of the inner wall of the cabinet is respectively provided with a water storage tank, a small air compressor and a controller, and the top of the cabinet is connected with an exhaust fan. The upper part of the water storage tank is provided with a partition, and the side of the partition is fixedly connected with the side of the inner wall of the cabinet.

In the above-mentioned computer dustproof cabinet, a water pump is connected to the bottom of the side of the water storage tank, a water supply pipe is connected to the water outlet end of the water pump, a water return pipe is connected to the upper side of the water tank, and a condenser is installed on the back of the box. The water inlet and water outlet of the condenser are respectively connected with both ends of the middle part of the return pipe, the upper part of the water supply pipe is connected with a cooling block group through the pipe, and the lower part of the water supply pipe is connected with a fan coil unit. The water inlet of the fan coil unit is in fluid communication with the water supply pipe, the water outlet of the fan coil unit is in fluid communication with the water return pipe, the bottom of the fan coil unit is fixedly connected to the top of the partition through a bracket, and the fan coil unit The air outlet faces the exhaust fan.

In the above-mentioned computer dust-proof cabinet, the heat dissipation block group includes a heat dissipation pressure plate, a heat dissipation plate is fixedly connected to the top of the heat dissipation pressure plate, a heat dissipation fan is arranged in the middle of the heat dissipation plate, and a heat dissipation cavity is opened in the heat dissipation pressure plate , the side wall of the heat dissipation pressure plate is fixedly connected with a leak-proof groove, the top of the leak-proof groove is fixedly connected with a leak-proof cover plate, and the side of the leak-proof groove is provided with two through holes, and the two through holes are A sealing ring is provided, and a pipe is pierced in the sealing ring, and the ends of the two pipes communicate with the two ends of the cooling cavity respectively.

In the above-mentioned computer dustproof cabinet, an inflatable sealing ring is arranged in the through hole of the side wall of the fixing plate, and an inflating nozzle is connected to one side of the inflatable sealing ring, and the cross-sectional shape of the air sealing ring is O-shaped.

In the above-mentioned computer dust-proof cabinet, a fixed frame is arranged at the inner upper end of the cabinet body, and both sides of the top and bottom of the fixed frame are fixedly connected with limiting clamping strips, and the top sides of the partition are connected with the cabinet. Both sides of the top of the inner wall of the body are provided with limiting grooves, the limiting clips are inserted into the limiting grooves, the back of the fixed frame is in close contact with the inner wall of the cabinet, and the top of the fixed frame is in contact with the inner wall of the cabinet. The top of the inner wall is in close contact, the bottom of the fixed frame is overlapped with the top of the partition, and the front and both sides of the fixed frame are provided with first filter nets.

In the above-mentioned computer dust-proof cabinet, the automatic screen changing device includes a damping roller and a reel, both ends of the damping roller and the reel are fixedly connected to the side of the inner wall of the cabinet through a support seat, between the damping roller and the reel A sealing frame is provided, the side of the sealing frame is fixedly connected with the inner wall of the cabinet, the four corners on the other side of the sealing frame are fixedly connected with support frames, and the upper end sides of the four support frames are all provided with electromagnetic push rods , the bottom end of the movable rod of the electromagnetic push rod is fixedly connected with a pressure frame, the opposite surface of the sealing frame and the pressure frame is provided with a pressure groove, the shape of the pressure groove is the same as that of the pressure frame, and one end of the reel The transmission is connected with a first motor, the surface of the damping roller is wound with a second filter net, and the other end of the second filter net passes between the pressing frame and the sealing frame and is wound on the surface of the reel.

In the above-mentioned computer dust-proof cabinet, the air supply assembly includes an air duct, an electrostatic precipitator is arranged inside one end of the air duct, a guide plate is fixedly connected to the side of the inner wall of the air duct, and the side of the guide plate is arranged There is a slide plate, the opposite surface of the slide plate and the guide plate is fixedly connected with a slider, the opposite surface of the guide plate and the slide plate is provided with a chute, the slide block is slidably connected in the chute, and the middle part of the side of the guide plate A rack is fixedly connected, and a second motor is fixedly connected to the top of the slide, the output shaft of the second motor is connected to the rack through a gear, and a soot blowing tube is arranged on the side of the slide, and the soot blowing tube The air outlet is aligned with the side of the electrostatic precipitator net, the other end of the soot blowing pipe communicates with the air outlet of the small air compressor, the other end of the air duct communicates with the side wall of the cabinet, and the air duct The other end is provided with a fan.

In the above-mentioned computer dust-proof cabinet, temperature sensors are provided on the top and the side of the inner wall of the cabinet, and the two temperature sensors are electrically connected to the controller through wires. The electrostatic precipitator, the second motor, the water pump, the small air compressor, the electromagnetic push rod of the automatic screen changer assembly, the first motor, and the cooling fan of the cooling block group are all electrically connected to the controller through wires.

The technical solution of the present invention has achieved the following beneficial technical effects:

1. In the present invention, by setting the inflatable sealing ring, after the wire passes through, it can be inflated to expand the inflatable sealing ring, so as to realize the filling of the gap between the wire and the fixed plate, and achieve a sealing effect, thereby preventing dust from The socket of the wire enters the cabinet; by setting the automatic screen changing device, the second filter screen can be replaced automatically, so as to effectively prevent the dust from clogging the filter screen holes after long-term use, affecting the heat dissipation effect, and can increase the replacement cycle and reduce the number of users The frequency of changing the screen, and the pressure frame can press the second filter screen into the pressure groove of the sealing frame under the push of the electromagnetic push rod to improve the sealing effect; by setting the fixed frame, and the three sides of the fixed frame are equipped with the first filter The net can play the effect of filtering the air again, and the disassembly of the fixed frame is convenient. It can be disassembled only by pulling it out, which is convenient for the user to replace the first filter net; When using static electricity, the dust is adsorbed by static electricity, and the resistance to the airflow is small, which can avoid affecting the air flow rate, and by cooperating with the motor-driven skateboard and soot blowing tube, it can automatically clean the surface of the electrostatic dust removal net after a period of use. Dust: Through the electrostatic precipitator net, the second filter net and the first filter net, three layers of filtration can be realized to improve the dust-proof effect.

2. In the present invention, by setting the water storage tank and the cooperation of the water pump, the cooling liquid can be circulated into the fan coil unit, and the fan coil unit will blow cold air into the cabinet to cool down the equipment in the cabinet, and cooperate with the ventilation on the top of the cabinet The machine can form an airflow flowing from bottom to top, and the hot air has a low density and will float upwards. The airflow flowing from bottom to top can facilitate the discharge of hot air and avoid heat accumulation in the cabinet; by setting the heat dissipation block group, the heat dissipation block The group can realize the combination of air cooling and liquid cooling, so as to improve the heat dissipation effect of the modules with high calorific value in the cabinet, and can choose different heat dissipation methods according to different temperatures. In the low temperature season, the outside air temperature is low , good heat dissipation can be achieved by driving the air circulation through the air supply component, the exhaust fan and the heat dissipation fan of the heat dissipation block group, or only turning on the water pump, condenser, fan coil and exhaust fan. Turn on to realize liquid cooling and cooling. The liquid can take away more heat when it circulates, and cooperate with air cooling to improve the heat dissipation effect, and adjust the heat dissipation method according to different ambient temperatures, which can achieve a certain energy saving effect, and the heat dissipation pressure plate There is a leak-proof groove and a leak-proof cover on one side, which can protect the connection between the heat dissipation cavity and the pipeline, and prevent the coolant from flowing directly to the surface of the computer components after the connection is loose and leaking coolant, causing damage to the hardware equipment. damage.

Description of drawings

Fig. 1 is the front view structural schematic diagram of the present invention;

Fig. 2 is a schematic diagram of a side view sectional structure of the present invention;

Fig. 3 is a schematic structural view of a fixed frame in the present invention;

Fig. 4 is the structural representation of automatic screen changing assembly among the present invention;

Fig. 5 is a schematic cross-sectional structure diagram of an inflatable sealing ring in the present invention;

Fig. 6 is a schematic structural view of the cooling block group in the present invention;

Fig. 7 is a schematic diagram of a side view sectional structure of a heat dissipation platen in the present invention;

Fig. 8 is a side view sectional structural schematic diagram of the air supply assembly in the present invention;

FIG. 9 is an enlarged structural schematic diagram of A in FIG. 8 of the present invention.

The reference signs in the figure are expressed as: 1-cabinet body; 2-upper cabinet door; 3-lower cabinet door; 4-observation window; 5-exhauster fan; 6-air supply component; 600-air duct; Net; 602-guide plate; 603-chute; 604-soot blowing pipe; 605-slide; 606-second motor; 607-rack; 7-water storage tank; 8-water pump; 9-water supply pipe; 10-back Water pipe; 11-small air compressor; 12-condenser; 13-fixed plate; 14-inflatable sealing ring; 15-inflatable nozzle; 16-limit slot; 17-fan coil; -damping roller; 182-reel; 183-sealing frame; 184-pressure groove; 185-support frame; 186-electromagnetic push rod; 187-first motor; Block group; 191-radiating pressure plate; 192-radiating plate; 193-radiating fan; 194-radiating cavity; 195-leakproof groove; 196-sealing ring; A filter screen; 22-limit clip; 23-controller; 24-partition; 25-temperature sensor.

detailed description

Please refer to Fig. 1-2, a computer dust-proof cabinet, comprising a cabinet body 1, an upper cabinet hinged with the front of the cabinet body 1, and a lower cabinet door 3, the front of the upper cabinet door 2 is provided with an observation window 4, the Both sides of the cabinet body 1 are connected with an air supply assembly 6, and both sides of the inner wall of the cabinet body 1 are provided with an automatic screen changer assembly 18, and the positions of the air supply assembly 6 and the automatic screen change assembly 18 correspond to each other, as As shown in Figure 5, the back of the cabinet body 1 is fixedly connected with a fixed plate 13, the side wall of the fixed plate 13 is provided with a through hole, and an inflatable sealing ring 14 is arranged in the through hole of the side wall of the fixed plate 13 , one side of the inflatable sealing ring 14 is communicated with an inflating nozzle 15, and the cross-sectional shape of the air sealing ring is O-shaped. By setting the inflatable sealing ring 14, it can be inflated after the wire passes through, so that the inflatable sealing ring 14 expands, so as to realize filling the gap between the wire rod and the fixed plate 13, and play a sealing effect, thereby preventing dust from entering the cabinet from the socket of the wire rod. The bottom of the inner wall of the cabinet body 1 is respectively provided with a water storage tank 7, a small air The compressor 11 and the controller 23, the water pump 8 is connected to the side bottom of the water storage tank 7, the water outlet end of the water pump 8 is connected to the water supply pipe 9, the upper side of the water tank is connected to the return pipe 10, and the tank body A condenser 12 is provided on the back of the condenser, and the water inlet and outlet of the condenser 12 communicate with the two ends of the middle part of the return pipe 10 respectively. The lower part of 9 communicates with a fan coil unit 17, the water inlet of the fan coil unit 17 is in fluid communication with the water supply pipe 9, the water outlet of the fan coil unit 17 is in fluid communication with the return water pipe 10, and the fan coil unit 17 is in fluid communication with the water supply pipe 9. The bottom of the cabinet is fixedly connected to the top of the partition plate 24 through the bracket, the air outlet of the fan coil unit 17 faces the exhaust fan 5, the top of the cabinet body 1 is connected with the exhaust fan 5, the water storage tank 7 is set, and the water pump 8 The cooperation of the cooling liquid can circulate the coolant into the fan coil unit 17, and the fan coil unit 17 can blow cold air into the cabinet to cool down the equipment in the cabinet, and cooperate with the exhaust fan 5 on the top of the cabinet to form a flow from bottom to top air flow, and the density of the hot air is small, it will float upwards, and the air flow flowing from bottom to top can facilitate the discharge of hot air. The inner wall side of 1 is fixedly connected, and the top and the inner wall side of the cabinet body 1 are provided with temperature sensors 25, and the two temperature sensors 25 are electrically connected with the controller 23 through wires, and the exhaust fan 5 and the air supply The blower fan of assembly 6 and electrostatic precipitator net 601 and second motor 606, water pump 8, small-sized air compressor 11, the electromagnetic push rod 186 of automatic screen changing assembly 18 and the first motor 187, the cooling fan 193 of cooling block group 19 all pass through The wire is electrically connected with the controller 23 .

As shown in Figures 6-7, the heat dissipation block group 19 includes a heat dissipation pressure plate 191, a heat dissipation plate 192 is fixedly connected to the top of the heat dissipation pressure plate 191, and a heat dissipation fan is arranged in the middle of the heat dissipation plate 192. The heat dissipation pressure plate 191 There is a heat dissipation cavity 194 inside, the side wall of the heat dissipation pressure plate 191 is fixedly connected with a leak-proof groove 195, the top of the leak-proof groove 195 is fixedly connected with a leak-proof cover 197, and the side of the leak-proof groove 195 is opened There are two through holes, and sealing rings 196 are arranged in the two through holes, and pipes are pierced in the sealing rings 196, and the ends of the two pipes communicate with the two ends of the cooling chamber 194 respectively. Group 19, heat dissipation block group 19 can realize the combination of air cooling and liquid cooling, thereby improving the heat dissipation effect on the modules with high calorific value in the cabinet, and can choose different heat dissipation methods according to different temperatures. , the temperature of the outside air is low, and the air circulation is driven by the air supply assembly 6, the exhaust fan 5 and the heat dissipation fan 193 of the heat dissipation block group 19, or only the water pump 8, the condenser 12, the fan coil unit 17 and the exhaust fan 5 are turned on to achieve a good performance. In high temperature seasons, the water pump 8 can be turned on to realize liquid cooling and cooling. The liquid can take away more heat when circulating, and cooperate with air cooling to improve the heat dissipation effect, and according to different ambient temperatures Adjusting the heat dissipation method can achieve a certain energy-saving effect.

As shown in Figure 3, the inner upper end of the cabinet body 1 is provided with a fixed frame 20, both sides of the top and both sides of the bottom of the fixed frame 20 are fixedly connected with limiting clips 22, the top two sides of the partition 24 Limiting grooves 16 are provided on both sides of the inner wall top of the side and the box body, and the limiting clips 22 are inserted into the limiting grooves 16, and the back side of the fixed frame 20 is in close contact with the inner wall of the cabinet body 1. The top of the fixed frame 20 is close to the top of the inner wall of the cabinet body 1, the bottom of the fixed frame 20 overlaps with the top of the partition plate 24, and the front and both sides of the fixed frame 20 are provided with a first filter screen 21, By setting the fixed frame 20, and the three sides of the fixed frame 20 are all provided with the first filter screen 21, the effect of filtering the air can be played again, and the fixed frame 20 is easy to disassemble, and can be disassembled only by pulling it out, which is convenient The user replaces the first filter screen 21 .

As shown in Figure 4, the automatic screen changing device includes a damping roller 181 and a reel 182, both ends of the damping roller 181 and the reel 182 are fixedly connected to the inner wall side of the cabinet 1 through a support seat, and the damping roller 181 A sealing frame 183 is arranged between the reel 182, the side of the sealing frame 183 is fixedly connected with the inner wall of the cabinet body 1, and the four corners on the other side of the sealing frame 183 are fixedly connected with a support frame 185, and the four supports The upper side of the frame 185 is provided with an electromagnetic push rod 186, and the bottom end of the movable rod of the electromagnetic push rod 186 is fixedly connected with a pressure frame 188, and the opposite surface of the sealing frame 183 and the pressure frame 188 is provided with a pressure groove 184. The shape of the pressure groove 184 is the same as the shape of the pressure frame 188, and one end of the reel 182 is connected with a first motor 187, and the surface of the damping roller 181 is wound with a second filter screen 189. The other end of 189 passes between the pressure frame 188 and the sealing frame 183 and is wound on the surface of the reel 182. By setting an automatic screen changing device, the second filter screen 189 can be automatically replaced, thereby effectively avoiding dust after long-term use. Clogging the filter holes affects the heat dissipation effect, and can increase the replacement cycle and reduce the frequency of users changing the screen, and the pressure frame 188 can press the second filter screen 189 into the pressure groove of the sealing frame 183 under the push of the electromagnetic push rod 186 184, improve the sealing effect.

As shown in Figures 8-9, the air supply assembly 6 includes an air duct 600, an electrostatic precipitator 601 is arranged inside one end of the air duct 600, and a guide plate 602 is fixedly connected to the side of the inner wall of the air duct 600, so The side of the guide plate 602 is provided with a slide plate 605, the opposite surface of the slide plate 605 and the guide plate 602 is fixedly connected with a slider, the opposite surface of the guide plate 602 and the slide plate 605 is provided with a chute 603, and the slide block slides Connected in the chute 603, the middle part of the side of the guide plate 602 is fixedly connected with a rack 607, and the top of the slide plate 605 is fixedly connected with a second motor 606, and the output shaft of the second motor 606 passes through the gear and the rack. 607 transmission connection, the side of the slide plate 605 is provided with a soot blowing pipe 604, the air outlet of the soot blowing pipe 604 is aligned with the side of the electrostatic precipitator 601, the other end of the soot blowing pipe 604 is connected to the small air compressor 11 The air outlet end of the air duct 600 is connected to the side wall of the cabinet body 1, and the other end of the air duct 600 is provided with a fan. By setting the electrostatic dust removal net 601, when the air enters the cabinet, Dust is adsorbed by static electricity, and the resistance to airflow is small, which can avoid affecting the air flow, and by cooperating with the motor-driven skateboard 605 and soot blowing tube 604, it can automatically clean the surface of the electrostatic dust removal net 601 after a period of use. dust; through the electrostatic precipitator net 601, the second filter net 189 and the first filter net 21, three layers of filtration can be realized to improve the dustproof effect.

Workflow: When in use, connect the controller 23 to an external power supply, install the computer equipment in the cabinet, ground the cabinet body 1, and attach the heat dissipation pressure plate 191 of the heat dissipation block group 19 to the computer module with large heat generation , pass the wire used to connect the equipment in the cabinet through the inflatable sealing ring 14, and then inflate the inflatable sealing ring 14 through the small air compressor 11, after the inflatable sealing ring 14 expands, it has a sealing effect, and then closes the upper cabinet door 2 and the lower cabinet door 3, the temperature sensors 25 positioned inside and outside the cabinet detect the temperature inside and outside the cabinet respectively, and transmit signals to the controller 23, and the controller 23 compares the temperature inside and outside the cabinet. When the ambient temperature is low, and the cabinet When the internal temperature is within a reasonable range, the exhaust fan 5, the cooling block group 19 and the air supply assembly 6 are started, and the air supply assembly 6 sucks the cold air from the outside into the cabinet. The dust in the air is adsorbed, and then the second filter screen 189 filters the air twice to remove the dust in the air, and finally enters between the cabinet and the first filter screen 21, and under the action of the exhaust fan 5, the air passes through the second filter screen 21. A filter screen 21 enters the fixed frame 20 to dissipate heat from the computer equipment, and the heat dissipation fan 193 of the heat dissipation block group 19 rotates to dissipate heat to the larger modules of the computer calorific value; , turn on the water pump 8, the water pump 8 pumps out the cooling liquid in the water storage tank 7 and supplies it into the water supply pipe 9, and then enters the heat dissipation cavity 194 of the heat dissipation platen 191 through the pipeline and returns to the return pipe, and passes through the circulation belt of the cooling liquid Dissipate heat to improve the heat dissipation effect, and the coolant in the water supply pipe 9 will enter the fan coil 17, and the coil will cool the air and blow the cold air into the cabinet through the fan to improve the heat dissipation effect;

After using for a certain period of time, the small air compressor 11 starts, and the second motor 606 starts at the same time, and the second motor 606 meshes with the rack 607 through the gear. After the second motor 606 starts, it drives the slide plate 605 to move upward, and the compressed air passes The pipeline is input to the soot blowing pipe 604, and blows to the electrostatic precipitator net 601 to blow out the dust attached to its surface and clean it, and then the electromagnetic push rod 186 works to drive the pressure frame 188 to move upward, and then the first motor 187 starts, and will drive the reel 182 to rotate, and the second filter screen 189 that is wound on the surface of the damping roller 181 is moved forward to achieve the purpose of replacement. 189 is pressed into the pressure groove 184 of the sealing frame 183; when the first filter screen 21 needs to be replaced, the fixed frame 20 is pulled out of the cabinet backward, the first filter screen 21 is replaced, and then the fixed frame 20 is repacked into the cabinet. Can.

Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. However, the obvious changes or changes derived therefrom are still within the protection scope of the claims of this patent application.

Claims (3)

1. A dustproof computer cabinet comprises a cabinet body (1), an upper cabinet body and a lower cabinet body (3) which are hinged with the front side of the cabinet body (1), and is characterized in that an observation window (4) is arranged on the front side of the upper cabinet body (2), air supply assemblies (6) are communicated with two sides of the cabinet body (1), automatic net replacing assemblies (18) are arranged on two sides of the inner wall of the cabinet body (1), the positions of the air supply assemblies (6) and the automatic net replacing assemblies (18) correspond to each other, a fixing plate (13) is fixedly connected to the back side of the cabinet body (1), through holes are formed in the side wall of the fixing plate (13), a water storage tank (7), a small air compressor (11) and a controller (23) are respectively arranged at the bottom of the inner wall of the cabinet body (1), an exhaust fan (5) is communicated with the top of the cabinet body (1), a partition plate (24) is arranged at the upper portion of the water storage tank (7), and the side face of the partition plate (24) is fixedly connected with the side face of the inner wall of the cabinet body (1);

the water storage cabinet is characterized in that the bottom of the side face of the water storage tank (7) is communicated with a water pump (8), the water outlet end of the water pump (8) is communicated with a water supply pipe (9), the upper portion of the side face of the water storage tank is communicated with a water return pipe (10), the back face of the cabinet body is provided with a condenser (12), a water inlet and a water outlet of the condenser (12) are respectively communicated with two ends of the middle of the water return pipe (10), the upper portion of the water supply pipe (9) is communicated with a heat dissipation block group (19) through a pipeline, the lower portion of the water supply pipe (9) is communicated with a fan coil (17), the water inlet of the fan coil (17) is communicated with fluid of the water supply pipe (9), the water outlet of the fan coil (17) is communicated with the fluid of the water return pipe (10), the bottom of the fan coil (17) is fixedly connected with the top of the partition plate (24) through a support, and the air outlet of the fan coil (17) faces the exhaust fan (5);

the heat dissipation block group (19) comprises a heat dissipation pressing plate (191), the top of the heat dissipation pressing plate (191) is fixedly connected with a heat dissipation plate (192), the middle of the heat dissipation plate (192) is provided with a heat dissipation fan, a heat dissipation cavity channel (194) is formed in the heat dissipation pressing plate (191), the side wall of the heat dissipation pressing plate (191) is fixedly connected with a leakage-proof groove (195), the top of the leakage-proof groove (195) is fixedly connected with a leakage-proof cover plate (197), the side surface of the leakage-proof groove (195) is provided with two through holes, sealing rings (196) are arranged in the two through holes, a pipeline penetrates through the sealing ring (196), and the end parts of the two pipelines are respectively communicated with the two ends of the heat dissipation cavity channel (194);

a fixed frame (20) is arranged at the upper end inside the cabinet body (1), two sides of the top and two sides of the bottom of the fixed frame (20) are fixedly connected with limiting clamping strips (22), two sides of the top of the partition plate (24) and two sides of the top of the inner wall of the cabinet body are respectively provided with a limiting groove (16), the limiting clamping strips (22) are inserted into the limiting grooves (16), the back surface of the fixed frame (20) is tightly attached to the inner wall of the cabinet body (1), the top of the fixed frame (20) is tightly attached to the top of the inner wall of the cabinet body (1), the bottom of the fixed frame (20) is lapped with the top of the partition plate (24), and the front and two sides of the fixed frame (20) are respectively provided with a first filter screen (21);

the automatic screen changing assembly comprises a damping roller (181) and a reel (182), two ends of the damping roller (181) and the reel (182) are fixedly connected with the side face of the inner wall of the cabinet body (1) through a supporting seat, a sealing frame (183) is arranged between the damping roller (181) and the reel (182), the side face of the sealing frame (183) is fixedly connected with the inner wall of the cabinet body (1), four corners of the other side of the sealing frame (183) are fixedly connected with supporting frames (185), the upper end side faces of the four supporting frames (185) are respectively provided with an electromagnetic push rod (186), the bottom end of a movable rod of the electromagnetic push rod (186) is fixedly connected with a pressing frame (188), a pressing groove (184) is formed in the opposite face of the sealing frame (183) and the pressing frame (188), the shape of the pressing groove (184) is the same as that of the pressing frame (188), one end of the reel (182) is in transmission connection with a first motor (187), a second filter screen (189) is wound on the surface of the damping roller (181), and the other end of the second filter screen (189) passes through the pressing frame (183) and is wound on the surface of the sealing frame (183);

the air supply assembly (6) comprises an air pipe (600), an electrostatic dust collection net (601) is arranged in one end of the air pipe (600), a guide plate (602) is fixedly connected to the side face of the inner wall of the air pipe (600), a sliding plate (605) is arranged on the side face of the guide plate (602), a sliding block is fixedly connected to the opposite face of the sliding plate (605), a sliding groove (603) is formed in the opposite face of the guide plate (602) and the opposite face of the sliding plate (605), the sliding block is connected to the inside of the sliding groove (603) in a sliding mode, a rack (607) is fixedly connected to the middle of the side face of the guide plate (602), a second motor (606) is fixedly connected to the top of the sliding plate (605), an output shaft of the second motor (606) is in transmission connection with the rack (607) through a gear wheels, a dust blowing pipe (604) is arranged on the side face of the sliding plate (605), a gas outlet of the dust blowing pipe (604) is aligned to the side face of the electrostatic dust collection net (601), the other end of the dust blowing pipe (604) is communicated with an air compressor at the other end of the small-outlet air compressor (11), the air pipe (600) is communicated with the side wall of the air pipe (1), and a fan (600) is arranged in the cabinet body.

2. The dustproof cabinet for computers according to claim 1, wherein an inflatable sealing ring (14) is arranged in the through hole of the side wall of the fixing plate (13), one side of the inflatable sealing ring (14) is communicated with an inflatable nozzle (15), and the cross section of the inflatable sealing ring is O-shaped.

3. The computer dustproof cabinet according to claim 1, wherein the top and the inner wall side of the cabinet body (1) are provided with temperature sensors (25), two temperature sensors (25) are electrically connected with the controller (23) through wires, and the blower and the electrostatic dust collection net (601) of the exhaust fan (5), the air supply assembly (6), the second motor (606), the water pump (8), the small air compressor (11), the electromagnetic push rod (186) of the automatic net changing assembly (18), the first motor (187) and the heat dissipation fan (193) of the heat dissipation block set (19) are electrically connected with the controller (23) through wires.

Images