CN216080088U - Intelligent maintenance-free natural cooling fresh air system - Google Patents

Intelligent maintenance-free natural cooling fresh air system Download PDF

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Publication number
CN216080088U
CN216080088U CN202121505762.9U CN202121505762U CN216080088U CN 216080088 U CN216080088 U CN 216080088U CN 202121505762 U CN202121505762 U CN 202121505762U CN 216080088 U CN216080088 U CN 216080088U
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China
Prior art keywords
pipe
air
filter screen
air inlet
tank
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Active
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CN202121505762.9U
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Chinese (zh)
Inventor
徐杰彦
张若思
苏子云
马宗中
蒋丽君
赵若丞
苟大伟
夏立峰
陈征
尹鹏
裴冠荣
谢婷
王鹤
贾容达
王泰棚
柴保双
洪瑞新
王皓
陈晶鑫
薛福霞
汤江晖
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State Grid Beijing Comprehensive Energy Planning And Design Institute Co ltd
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State Grid Beijing Comprehensive Energy Planning And Design Institute Co ltd
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Priority to CN202121505762.9U priority Critical patent/CN216080088U/en
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Abstract

The utility model discloses an intelligent maintenance-free natural cold fresh air system, which relates to the technical field of fresh air cooling of a machine room, and adopts the technical scheme that the system comprises an air inlet device, a cold air inlet device and a cold air outlet device, wherein the air inlet device is used for introducing air into the machine room; the air outlet device is used for sending out air in the machine room; the air inlet device comprises an air inlet pipe, and outside air enters from one end of the air inlet pipe; the filter tank is communicated with the air inlet pipe; the filter screen is arranged in a round sleeve shape, two ends of the filter screen are fixedly connected to the inner wall of the filter tank, and the air inlet pipe is communicated with a cavity defined by the filter screen; the air outlet pipe is communicated with a cavity between the filter screen and the tank wall of the filter tank, and the other end of the air outlet pipe sends air into the machine room; the cleaning device is used for cleaning dust adhered to the inner side of the filter screen; only need regularly clear up the inboard dust of filter screen through cleaning device can, need not to dismantle and change the filter screen for dust removal operation increases convenience and reduce cost.

Description

Intelligent maintenance-free natural cooling fresh air system
Technical Field
The utility model relates to the technical field of fresh air cooling of a machine room, in particular to an intelligent maintenance-free natural cold fresh air system.
Background
Along with the rapid development of the communication industry, the machine room is built in various places, the operation of the IT equipment in the machine room generates a large amount of heat, and in order to prevent the machine room IT equipment from being damaged due to overhigh temperature, an air conditioner is required to be installed in the machine room to cool down, so that a proper working temperature is kept. Only base stations are classified, and more than 600 tens of thousands are available in the whole country; only the power distribution station machine rooms of the national power grid exist, and the number of the power distribution station machine rooms is over 500 ten thousand in the whole country; similar rooms are more numerous nationwide. In 2020, China has built the largest global 5G network, and accumulates 71.8 ten thousand 5G rooms, and it is expected that by 2023, the number of 5G rooms will reach 300 ten thousand. The power consumption of operators in the 5G era is 3-5 times higher than that of operators in the 4G era, and energy conservation is in the forefront.
At the present stage, outdoor natural cold fresh air is introduced to replace a machine room air conditioner to work in part of time, and the machine room is cooled through the fresh air, so that the method is an effective measure for reducing the electricity consumption of the machine room. The power of the air conditioner of the machine room is far higher than that of the fresh air equipment, and the effective means for realizing energy conservation of the machine room is to fully utilize outdoor fresh air to cool the machine room as far as possible. .
Most of fresh air equipment is provided with a filter screen at an air inlet, and partial impurities in the air are filtered by the filter screen; the filter screen all needs to be dismantled after the filtration of a period of time, clears up the dust of adhesion on the filter screen, and needs to change after using a period of time for the dust removal process is loaded down with trivial details inconvenient, and the operation maintenance cost is high, and current new trend system can't realize the automatically cleaning, has the problem that the operation maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an intelligent maintenance-free natural cold fresh air system which only needs to clean dust on the inner side of a filter screen through a cleaning device regularly without disassembling and replacing the filter screen, so that the dust removal operation is increased conveniently and the cost is reduced.
In order to achieve the purpose, the utility model provides the following technical scheme: an intelligent maintenance-free natural cold fresh air system comprises an air inlet device, a cold air inlet device and a cold air outlet device, wherein the air inlet device is used for introducing air into a machine room;
the air outlet device is used for sending out air in the machine room;
the air inlet device comprises an air inlet pipe, and outside air enters from one end of the air inlet pipe;
the filter tank is communicated with the air inlet pipe;
the filter screen is arranged in a round sleeve shape, two ends of the filter screen are fixedly connected to the inner wall of the filter tank, and the air inlet pipe is communicated with a cavity defined by the filter screen;
the air outlet pipe is communicated with a cavity between the filter screen and the tank wall of the filter tank, and the other end of the air outlet pipe sends air into the machine room;
the cleaning device is used for cleaning dust adhered to the inner side of the filter screen;
the cleaning device comprises a rotating shaft which is rotatably connected to the filter tank and is coaxial with the filter screen, and a collecting hole is formed in the rotating shaft;
the cleaning rod is fixed on the outer side of the rotating shaft, and one end of the cleaning rod, which is close to the inner wall of the filter screen, is provided with an air suction hole communicated with the collecting hole;
and one end of the cleaning pipe is connected with the air pump, and the other end of the cleaning pipe is communicated with the collecting hole in the rotating shaft.
By adopting the technical scheme, the outside air enters a cavity enclosed by the filter screen through the air inlet pipe, then the air passes through the filter screen and enters the cavity between the filter screen and the closed filter tank, and dust is left in the filter screen; the filtered air leaves the filter tank and then enters the air outlet pipe and enters the machine room through the air outlet pipe; when the dust on the inner side of the filter screen is more, the rotating shaft starts to rotate, and under the action of an air pump connected with the cleaning pipe, the dust on the inner side of the filter screen is sucked into the air suction hole and then is sucked away through the collecting hole and the cleaning pipe; only need regularly the inboard dust of filter screen clear up can, need not to dismantle and change the filter screen for dust removal operation increases convenience and reduce cost.
The utility model is further configured to: the one end that the filter screen deviates from the air-supply line is provided with fixed connection and filters the collecting pipe outside the jar, and in pivot one end stretched into the collecting pipe, set up on the pivot lateral wall with collect the hole intercommunication and be located the through-hole of collecting pipe, the one end of clearance pipe and collection hole intercommunication is fixed on the collecting pipe.
The utility model is further configured to: one end of the collecting pipe, which is far away from the filtering tank, is provided with a power mechanism which is used for driving the rotating shaft to rotate and can drive the rotating shaft to move up and down in the rotating process.
The utility model is further configured to: the power mechanism comprises a supporting seat which is fixedly connected with one end of the collecting pipe, which is far away from the filtering tank;
the power shaft is coaxial with the rotating shaft, one end of the power shaft extends into the collecting pipe and is fixedly connected with the rotating shaft, and the power shaft is in threaded connection with the supporting seat;
the power sleeve is rotatably connected to one end of the supporting seat, which is far away from the filtering tank, is sleeved outside the power shaft and is driven to rotate by the motor;
two guide grooves penetrating through the power sleeve along the axis direction of the power shaft are formed in the inner side of the power sleeve, and two guide blocks respectively embedded into the two guide grooves are fixedly connected to the outer side of the power shaft.
The utility model is further configured to: the supporting seat comprises a plurality of supporting rods which are fixed at one end of the collecting pipe, which is far away from the filter tank, and are arranged around the power shaft;
the fixing plate is positioned among the plurality of support rods and is fixedly connected with the plurality of support rods, and the power shaft penetrates through the fixing plate and is in threaded connection with the fixing plate;
and the supporting plate is positioned on one side of the fixing plate, which is deviated from the collecting pipe, and is fixed on the plurality of supporting rods, and the power sleeve is rotatably connected on the supporting plate.
The utility model is further configured to: the filter tank is a round tank and is coaxial with the filter screen, and the air outlet pipe is positioned on one side of the filter tank; the air inlet pipe is positioned at the bottom of the filtering tank, and the collecting pipe is positioned at the top of the filtering tank.
The utility model is further configured to: the vertical pipe is used for connecting the air inlet pipe with the filter tank;
one end of the air outlet pipe is connected with the filter tank;
valves are arranged on the vertical pipe, the air outlet pipe and the connecting part of the connecting pipe and the air inlet pipe; when needs are to air filter, the connecting pipe is closed with the air-supply line junction valve, and the valve is opened on standpipe and the play tuber pipe, and when need not to air filter, the valve is closed on standpipe and the play tuber pipe, and the connecting pipe is opened with the air-supply line junction valve.
In summary, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, only the dust on the inner side of the filter screen needs to be cleaned regularly through the cleaning device, and the filter screen does not need to be disassembled and replaced, so that the dust removal operation is increased conveniently, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of an air intake apparatus of an embodiment;
FIG. 3 is a cross-sectional view of a filter canister of an embodiment;
FIG. 4 is an enlarged view of the portion B of FIG. 3;
FIG. 5 is an enlarged view of portion A of FIG. 2;
fig. 6 is an enlarged schematic view of the portion C of fig. 5.
In the figure: 1. a machine room; 2. an air intake device; 21. an air inlet pipe; 22. a filter tank; 23. filtering with a screen; 24. an air outlet pipe; 25. a cleaning device; 251. a rotating shaft; 2511. a collection well; 2512. a through hole; 252. cleaning the rod; 2521. an air exhaust hole; 253. cleaning the pipe; 254. a collection pipe; 26. a power mechanism; 261. a supporting seat; 2611. a support bar; 2612. a fixing plate; 2613. a support plate; 262. a power shaft; 2621. a guide block; 263. a power sleeve; 2631. a guide groove; 27. a vertical tube; 28. a connecting pipe; 29. a valve; 3. an air outlet device.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
The utility model is further described with reference to the drawings and the preferred embodiments.
Example (b): an intelligent maintenance-free natural cold fresh air system is shown in attached figures 1, 2, 3, 4, 5 and 6, and comprises an air inlet device 2 for introducing air into a machine room 1 and an air outlet device 3 for extracting air from the machine room 1, wherein the air outlet device 3 is an exhaust pipe fixedly connected to the machine room 1, and one end of the exhaust pipe is provided with a fan; under the action of the fan, outside air enters the machine room 1 through the air inlet pipe 21 and then is exhausted from the exhaust pipe.
Specifically, the air intake device 2 includes an air intake pipe 21, a filter tank 22 communicated with the air intake pipe 21, a filter screen 23 arranged in the filter tank 22 in a circular sleeve shape, an air outlet pipe 24 fixed on the filter tank 22, and a cleaning device 25 arranged on the filter tank 22 and used for cleaning dust on the inner side of the filter screen 23. The canister 22 is provided as a round canister and the canister 22 is provided coaxially with the screen 23. The filter screen 23 and the filter tank 22 are arranged vertically, the air inlet pipe 21 is arranged below the filter tank 22, and the air outlet pipe 24 is fixedly connected to the side wall of the filter tank 22; specifically, the top and the bottom of the filter screen 23 are fixedly connected to the inner wall of the filter tank 22, the inner side of the filter screen 23 defines a cavity, the air inlet pipe 21 is communicated with the cavity defined by the inner side of the filter screen 23, and the air outlet pipe 24 is communicated with the cavity between the filter screen 23 and the arc-shaped side wall of the filter screen 23.
Outside air enters a cavity defined by the filter screen 23 through the air inlet pipe 21, then the air passes through the filter screen 23 and then enters the cavity between the filter screen 23 and the arc-shaped side wall of the filter tank 22, and in the process that the air passes through the filter screen 23, dust is filtered by the filter screen 23 and is left on the inner side of the filter screen 23. The filtered air enters the air outlet pipe 24 from the filter tank 22, and then enters the machine room 1 through the air outlet pipe 24.
Specifically, the cleaning device 25 comprises a rotating shaft 251 which is rotatably connected to the filter tank 22 and is coaxially arranged with the filter screen 23, a cleaning rod 252 fixedly connected to the outer side of the rotating shaft 251, and a cleaning pipe 253 connected with an air pump; a collecting hole 2511 is formed in the rotating shaft 251, the length direction of the cleaning rod 252 is arranged along the radial direction of the rotating shaft 251, one end of the cleaning rod 252, which is close to the filter screen 23, is provided with an air suction hole 2521 communicated with the collecting hole 2511, and the cleaning pipe 253 is communicated with the collecting hole 2511 in the rotating shaft 251. When the inner side of the filter screen 23 needs to be cleaned, the rotating shaft 251 rotates, the air pump starts to operate, and under the action of the air pump, dust inside the filter screen 23 is sucked into the air pumping holes 2521, then enters the collecting holes 2511 through the air pumping holes 2521, and is then discharged through the cleaning pipe 253 and the air pump.
Specifically, a collecting pipe 254 is fixedly connected to the top of the filter tank 22, the top of the collecting pipe 254 is sealed, and one end of the top of the rotating shaft 251 extends into the collecting pipe 254; two through holes 2512 communicated with the collecting holes 2511 are formed in the side edge of the position, close to the top, of the rotating shaft 251, and dust sucked in the collecting holes 2511 enters the collecting pipe 254 through the through holes 2512; the cleaning pipe 253 is fixedly connected to the outside of the collecting pipe 254 and communicates with the collecting pipe 254, and dust introduced into the collecting pipe 254 is sucked into the cleaning pipe 253 and then discharged.
Specifically, a power mechanism 26 is disposed at the top of the collecting pipe 254, and is used for driving the rotating shaft 251 to rotate, and driving the rotating shaft 251 to move up and down during the rotation of the rotating shaft 251. The rotating shaft 251 is arranged to move up and down within a set distance, when the rotating shaft 251 moves to the lowest point within the set distance, the cleaning rod 252 at the bottommost part is in contact with the bottom of the inner cavity of the filter tank 22, when the rotating shaft 251 moves to the highest point within the set distance, the cleaning rod 252 at the topmost part is in contact with the top of the inner cavity of the filter tank 22, and the distance between two adjacent cleaning rods 252 in the vertical direction is set to be smaller than or equal to the set distance, so that dust at each position inside the filter screen 23 can be cleaned up in the process of moving up and down of the rotating shaft 251.
Specifically, the power device comprises a support seat 261 fixed on the top of the collecting pipe 254, a power shaft 262 fixedly connected on the top of the rotating shaft 251 and in threaded connection with the support seat 261, and a power sleeve 263 rotatably connected on the support seat 261. Specifically, the power shaft 262 is arranged coaxially with the rotating shaft 251; two guiding grooves 2631 penetrating the power sleeve 263 along the axial direction of the power shaft 262 are formed in the inner side of the power sleeve 263, and two guiding blocks 2621 respectively embedded in the two guiding grooves 2631 are fixedly connected to the outer side of the power shaft 262. Power cover 263 is rotated by motor drive, when power cover 263 rotates, can drive pivot 251 through power axle 262 and rotate together, in the middle of the power axle 262 pivoted process, because power axle 262 and supporting seat 261 threaded connection, make power axle 262 can reciprocate, thereby drive pivot 251 and reciprocate, through the setting to guide block 2621 and guiding groove 2631, make power cover 263 can enough drive power axle 262 and rotate, can not cause the hindrance to reciprocating of power axle 262 again.
Specifically, the support seat 261 includes a plurality of support rods 2611 disposed around the power shaft 262, a fixing plate 2612 disposed in the support rods 2611 and screwed with the power shaft 262, and a support plate 2613 for supporting the power sleeve 263; the support rods 2611 are vertically arranged and fixedly connected to the top of the collecting pipe 254, the fixing plate 2612 is positioned inside the plurality of support rods 2611 and fixedly connected with the plurality of support rods 2611, and the power shaft 262 passes through the fixing plate 2612 and is screwed with the fixing plate 2612. The supporting plate 2613 is located above the fixing plate 2612, and the power sleeve 263 is rotatably connected to the top of the supporting plate 2613.
When the inner side of the filter screen 23 needs to be cleaned, the power sleeve 263 rotates under the action of the motor to drive the rotating shaft 251 and the cleaning rod 252 to clean dust on the inner side of the filter screen 23, and the rotating shaft 251 is driven to move up and down within a set distance through the forward and reverse rotation of the power sleeve 263.
Specifically, the axis of the air inlet pipe 21 is horizontal, a vertical pipe 27 is fixedly connected to the top of the air inlet pipe 21, and the top of the vertical pipe 27 is fixedly connected to the bottom of the filter tank 22 and is communicated with a cavity surrounded by the filter screen 23.
One end of the air inlet pipe 21, which is far away from the air inlet end, is provided with a connecting pipe 28, one end of the connecting pipe 28, which is far away from the air inlet pipe 21, is connected with the machine room 1, and one end of the air outlet pipe 24, which is far away from the filter tank 22, is also connected with the connecting pipe 28; valves 29 are arranged on the vertical pipe 27, the air outlet pipe 24 and the connecting part of the connecting pipe 28 and the air inlet pipe 21; when air filtration is needed, the valve 29 at the joint of the connecting pipe 28 and the air inlet pipe 21 is closed, the valves 29 on the vertical pipe 27 and the air outlet pipe 24 are opened, and when air filtration is not needed, the valves 29 on the vertical pipe 27 and the air outlet pipe 24 are closed, and the valve 29 at the joint of the connecting pipe 28 and the air inlet pipe 21 is opened.
In some embodiments, the machine room 1 provided with the fresh air system is additionally provided, fresh air and an air conditioner are intelligently controlled to operate according to collected temperature and humidity data inside and outside the machine room 1, and the purpose of energy conservation can be achieved by reducing the operation time of the air conditioner. Fresh air running state: when the temperature and humidity inside and outside the machine room 1 meet the fresh air operation requirement, the fresh air equipment is started, the air conditioner is closed, a large amount of purified natural cold air is introduced into the room, and heat is taken away along with exhaust air; the air conditioner running state: when the inside and outside temperature of the machine room 1 meets the operation requirement of the air conditioner, the fresh air equipment is closed, and the air conditioner is started for refrigeration.
The working principle of the intelligent maintenance-free natural cold fresh air system when in use is as follows: outside air enters a cavity defined by the filter screen 23 through the air inlet pipe 21, then the air passes through the filter screen 23 and then enters the cavity between the filter screen 23 and the arc-shaped side wall of the filter tank 22, and in the process that the air passes through the filter screen 23, dust is filtered by the filter screen 23 and is left on the inner side of the filter screen 23. The filtered air enters the air outlet pipe 24 from the filter tank 22, and then enters the machine room 1 through the air outlet pipe 24. When the inner side of the filter screen 23 needs to be cleaned, the rotating shaft 251 rotates, the air pump starts to operate, and under the action of the air pump, dust inside the filter screen 23 is sucked into the air pumping holes 2521, then enters the collecting holes 2511 through the air pumping holes 2521, and is then discharged through the cleaning pipe 253 and the air pump.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (7)

1. The utility model provides an intelligence non-maintaining nature cold new trend system which characterized in that: comprises an air inlet device (2) which is used for introducing air into the machine room (1);
the air outlet device (3) is used for sending out air in the machine room (1);
the air inlet device (2) comprises an air inlet pipe (21), and outside air enters from one end of the air inlet pipe;
a filter tank (22) which is communicated with the air inlet pipe (21);
the filter screen (23) is arranged in a circular sleeve shape, two ends of the filter screen are fixedly connected to the inner wall of the filter tank (22), and a cavity formed by the air inlet pipe (21) and the filter screen (23) is communicated;
the air outlet pipe (24) is communicated with a cavity between the filter screen (23) and the tank wall of the filter tank (22), and the other end of the air outlet pipe (24) sends air into the machine room (1);
and a cleaning device (25) for cleaning dust adhering to the inside of the filter screen (23);
the cleaning device (25) comprises a rotating shaft (251) which is rotatably connected to the filter tank (22) and is coaxial with the filter screen (23), and a collecting hole (2511) is formed in the cleaning device;
the cleaning rod (252) is fixed on the outer side of the rotating shaft (251), and one end, close to the inner wall of the filter screen (23), of the cleaning rod (252) is provided with a suction hole (2521) communicated with the collecting hole (2511);
and a cleaning pipe (253), one end of which is connected with the air pump and the other end of which is communicated with the collecting hole (2511) in the rotating shaft (251).
2. The intelligent maintenance-free natural cooling fresh air system according to claim 1, wherein: one end of the filter screen (23) departing from the air inlet pipe (21) is provided with a collecting pipe (254) fixedly connected outside the filter tank (22), one end of the rotating shaft (251) extends into the collecting pipe (254), a through hole (2512) communicated with the collecting hole (2511) and located in the collecting pipe (254) is formed in the side wall of the rotating shaft (251), and one end of the cleaning pipe (253) communicated with the collecting hole (2511) is fixed on the collecting pipe (254).
3. The intelligent maintenance-free natural cooling fresh air system according to claim 2, wherein: one end of the collecting pipe (254) departing from the filtering tank (22) is provided with a power mechanism (26) which is used for driving the rotating shaft (251) to rotate and can drive the rotating shaft (251) to move up and down in the rotating process.
4. The intelligent maintenance-free natural cooling fresh air system according to claim 3, wherein: the power mechanism (26) comprises a supporting seat (261) which is fixedly connected to one end of the collecting pipe (254) which is far away from the filter tank (22);
the power shaft (262) is coaxial with the rotating shaft (251), one end of the power shaft (262) extends into the collecting pipe (254) to be fixedly connected with the rotating shaft (251), and the power shaft (262) is in threaded connection with the supporting seat (261);
the power sleeve (263) is rotatably connected to one end, away from the filter tank (22), of the supporting seat (261), is sleeved on the outer side of the power shaft (262) and is driven to rotate by a motor;
two guide grooves (2631) penetrating through the power sleeve (263) along the axial direction of the power shaft (262) are formed in the inner side of the power sleeve (263), and two guide blocks (2621) respectively embedded into the two guide grooves (2631) are fixedly connected to the outer side of the power shaft (262).
5. The intelligent maintenance-free natural cooling fresh air system according to claim 4, wherein: the supporting seat (261) comprises a plurality of supporting rods (2611) which are fixed at one end of the collecting pipe (254) departing from the filter tank (22) and are arranged around the power shaft (262);
the fixing plate (2612) is positioned between the support rods (2611) and fixedly connected with the support rods (2611), and the power shaft (262) penetrates through the fixing plate (2612) and is in threaded connection with the fixing plate (2612);
and the supporting plate (2613) is positioned on one side of the fixing plate (2612) departing from the collecting pipe (254) and is fixed on the plurality of supporting rods (2611), and the power sleeve (263) is rotatably connected on the supporting plate (2613).
6. The intelligent maintenance-free natural cooling fresh air system according to claim 5, wherein: the filtering tank (22) is a round tank and is coaxial with the filter screen (23), and the air outlet pipe (24) is positioned on one side of the filtering tank (22); the air inlet pipe (21) is positioned at the bottom of the filter tank (22), and the collecting pipe (254) is positioned at the top of the filter tank (22).
7. The intelligent maintenance-free natural cooling fresh air system according to claim 1, wherein: the vertical pipe (27) is used for connecting the air inlet pipe (21) and the filter tank (22) together;
one end of the connecting pipe (28) is connected with the air inlet pipe (21), the other end of the connecting pipe is connected with the machine room (1), and one end of the air outlet pipe (24) departing from the filter tank (22) is also connected with the connecting pipe (28);
valves (29) are arranged on the vertical pipe (27), the air outlet pipe (24) and the connecting part of the connecting pipe (28) and the air inlet pipe (21); when air filtration is needed, the valve (29) at the joint of the connecting pipe (28) and the air inlet pipe (21) is closed, the valve (29) on the vertical pipe (27) and the air outlet pipe (24) is opened, when air filtration is not needed, the valve (29) on the vertical pipe (27) and the air outlet pipe (24) is closed, and the valve (29) at the joint of the connecting pipe (28) and the air inlet pipe (21) is opened.
CN202121505762.9U 2021-07-02 2021-07-02 Intelligent maintenance-free natural cooling fresh air system Active CN216080088U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121505762.9U CN216080088U (en) 2021-07-02 2021-07-02 Intelligent maintenance-free natural cooling fresh air system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121505762.9U CN216080088U (en) 2021-07-02 2021-07-02 Intelligent maintenance-free natural cooling fresh air system

Publications (1)

Publication Number Publication Date
CN216080088U true CN216080088U (en) 2022-03-18

Family

ID=80664849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121505762.9U Active CN216080088U (en) 2021-07-02 2021-07-02 Intelligent maintenance-free natural cooling fresh air system

Country Status (1)

Country Link
CN (1) CN216080088U (en)

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