CN112954160B - Rural domestic sewage treatment facility supervisory equipment - Google Patents

Rural domestic sewage treatment facility supervisory equipment Download PDF

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Publication number
CN112954160B
CN112954160B CN202110140877.0A CN202110140877A CN112954160B CN 112954160 B CN112954160 B CN 112954160B CN 202110140877 A CN202110140877 A CN 202110140877A CN 112954160 B CN112954160 B CN 112954160B
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wall
fixedly connected
evaporation
monitoring equipment
groove
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CN202110140877.0A
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Chinese (zh)
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CN112954160A (en
Inventor
刘春菊
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Jiangxi Green Shield Environmental Engineering Co ltd
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Jiangxi Green Shield Environmental Engineering Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/52Elements optimising image sensor operation, e.g. for electromagnetic interference [EMI] protection or temperature control by heat transfer or cooling elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B6/00Cleaning by electrostatic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F16F15/0232Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/55Details of cameras or camera bodies; Accessories therefor with provision for heating or cooling, e.g. in aircraft
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50Constructional details
    • H04N23/51Housings

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

The invention discloses rural domestic sewage treatment facility monitoring equipment, which relates to the technical field of electronic monitoring equipment and comprises a base, a ventilation groove, a protective frame, a protective cover and a monitoring equipment body, wherein the protective frame is arranged on the front surface of the base, the ventilation groove is formed in the outer wall of the protective frame, the monitoring equipment body is fixedly arranged on the inner wall of the protective frame, the protective cover is arranged at the top of the monitoring equipment body, and a cooling mechanism is arranged on the inner wall of the ventilation groove. According to the invention, the hollow plate and the evaporation rod are combined, the moisture absorption block is used for absorbing the cooling water in the hollow plate, so that the water guide fiber strips are used for introducing the cooling water into the cavity, the cooling water in the evaporation rod is evaporated through the evaporation hole, the movable blade rotates, the evaporated cooling water can cool the monitoring equipment body, the evaporation rod can shake through the arranged limiting groove, and the evaporation of the cooling water is accelerated.

Description

Rural domestic sewage treatment facility supervisory equipment
Technical Field
The invention relates to the technical field of electronic monitoring equipment, in particular to rural domestic sewage treatment facility monitoring equipment.
Background
With the continuous development of the times, more and more places use monitoring equipment, wherein a typical television monitoring system mainly comprises two parts, namely front-end equipment and rear-end equipment, the front-end equipment usually comprises a camera, a manual or electric lens, a holder, a protective cover, a monitor, an alarm detector, a multifunctional decoder and the like, the front-end equipment respectively plays its own roles and establishes corresponding connection with various equipment of a central control system through a wired, wireless or optical fiber transmission medium, and a terminal software system comprises the components, so that the observation distance of human eyes is greatly prolonged, the functions of the human eyes are expanded, the system can replace manpower to carry out long-time monitoring in a severe environment, and people can see all actual conditions of a monitored site and record the conditions through a video recorder.
However, when the monitoring device is used, the monitoring device is easily influenced by surrounding environment in a long-time use process, so that the monitoring device generates heat, the service life of the monitoring device can be influenced, meanwhile, when the monitoring device is used, dust is adhered to the surface of the camera due to the fact that the monitoring device is exposed outside for a long time and easily polluted by the dust, the image is blurred, when observation is carried out, the monitoring device is inconvenient to carry out and convenient to carry out real-time monitoring, the applicability of the monitoring device for the rural domestic sewage treatment facility is poor, and therefore structural innovation is needed to be carried out to solve specific problems.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a monitoring device for rural domestic sewage treatment facilities, wherein one purpose is to enable the monitoring device to be easily influenced by the surrounding environment after the monitoring device is used for a long time, so that the temperature of the monitoring device is increased, and the problem that the monitoring device is easily damaged due to heating after the monitoring device is used for a long time is solved; the other purpose is to solve the problem that the surface of the camera of the monitoring equipment is stained with dust after the monitoring equipment is used for a long time, so that the image is blurred, and the effect of cleaning the dust attached to the surface of the camera after the monitoring equipment is used for a long time is achieved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a rural domestic sewage treatment facility supervisory equipment, includes base, ventilation groove, protective frame, protection casing and supervisory equipment body, protective frame is installed in the front of base, ventilation groove has been seted up to protective frame's outer wall, protective frame's inner wall fixed mounting has the supervisory equipment body, the protection casing, its characterized in that are installed at the top of supervisory equipment body: the inner wall in ventilation groove is provided with cooling body, cooling body includes fixed axle, movable vane and hollow slab, the inner wall fixedly connected with fixed axle in ventilation groove, the outer wall of fixed axle rotates and is connected with movable vane, the hollow slab of inner wall edge fixedly connected with in ventilation groove hollow slab includes evaporating pole, spacing groove and moisture absorption piece, the spacing groove has been seted up at the top of hollow slab, the inner wall of hollow slab is provided with moisture absorption piece, moisture absorption piece's top fixedly connected with evaporating pole.
The bottom fixedly connected with dust removal mechanism of protection casing, the back of dust removal mechanism is laminated with the front of supervisory equipment body mutually.
The anti-collision device comprises a protective frame and is characterized in that an anti-collision mechanism is fixedly connected to the bottom of the inner wall of the protective frame, and the top of the anti-collision mechanism is attached to the bottom of a monitoring device body.
The technical scheme of the invention is further improved as follows: the evaporation rod comprises a water guide fiber strip, an evaporation hole and a cavity, the cavity is formed in the bottom of the evaporation rod, the water guide fiber strip is fixedly connected to the inner wall of the cavity, and the evaporation hole is formed in the outer wall of the evaporation rod.
The technical scheme of the invention is further improved as follows: the outer wall of evaporation rod and the inner wall sliding connection of spacing groove, the outer wall in evaporation hole and the edge in evaporation hole are laminated mutually.
The technical scheme of the invention is further improved as follows: dust removal mechanism includes micro motor, dust removal cloth, cylinder, installing frame, plastic convex block, pivot and spout, the side fixed mounting of installing frame has micro motor, micro motor's drive end fixedly connected with cylinder, the outer wall of cylinder rotates and is connected with dust removal cloth, the inner wall of installing frame rotates and is connected with the pivot, the outer wall fixedly connected with plastic convex block of pivot, the inner wall fixed mounting of installing frame has the collection dirt board, plastic convex block's outer wall laminates with the outer wall of cylinder mutually, the pivot sets up the top at the collection dirt board, the spout has been seted up to the bottom of installing frame.
The technical scheme of the invention is further improved as follows: anticollision institution includes base, bearing plate, compression gasbag, connecting pipe, clean shot and ball-type groove, the inner wall bottom fixedly connected with base of protective frame, ball-type groove has been seted up at the top of base, the top fixedly connected with compression gasbag of base, compression gasbag's outer wall fixedly connected with connecting pipe, the one end fixedly connected with clean shot of connecting pipe, compression gasbag's top fixedly connected with bearing plate.
The technical scheme of the invention is further improved as follows: the outer wall of the hollow ball is attached to the inner wall of the ball-shaped groove, and the top of the hollow ball is movably connected with the bottom of the bearing plate.
The technical scheme of the invention is further improved as follows: the outer wall of bearing plate and the inner wall sliding connection of protection frame, the length of bearing plate is less than the length of protection frame.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a rural domestic sewage treatment facility monitoring device, which is ingenious in design, adopts a combination of a hollow plate and an evaporation rod, absorbs cooling water in the hollow plate through a moisture absorption block, leads water guide fiber strips to introduce the cooling water into a cavity, evaporates the cooling water in the evaporation rod through an evaporation hole, reduces the temperature of a monitoring device body through the rotation of a movable blade, and enables the evaporation rod to shake through a limit groove, thereby accelerating the evaporation of the cooling water.
2. The invention provides a rural domestic sewage treatment facility monitoring device, which is characterized in that a dust removing cloth and a roller are combined, so that the dust removing cloth can adsorb dust on a lens of a monitoring device body, static electricity is generated by friction between the roller and a plastic lug, the plastic lug can adsorb the dust on the dust removing cloth, and meanwhile, a dust collecting plate prevents the dust adsorbed on the plastic lug from falling onto the monitoring device body again after the static electricity disappears, so that the lens is blurred again.
3. The invention provides a rural domestic sewage treatment facility monitoring device, which is characterized in that a compression air bag and a hollow ball are combined, so that when an installed monitoring device body is vibrated, the compression air bag is compressed through a bearing plate, air in the compression air bag is injected into the hollow ball, the hollow ball can provide a supporting effect through the bearing plate, the bearing plate is prevented from directly colliding with the monitoring device body, and meanwhile, the monitoring device body is reduced from generating large shaking.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cooling mechanism of the present invention;
FIG. 3 is a schematic structural view of the hollow core panel of the present invention;
FIG. 4 is a schematic view of the evaporator rod of the present invention;
FIG. 5 is a schematic view of the dust removing mechanism of the present invention;
FIG. 6 is a schematic structural diagram of the mounting frame of the present invention;
FIG. 7 is a schematic structural view of a crash prevention mechanism of the present invention;
FIG. 8 is an enlarged view taken at A of FIG. 7 according to the present invention.
In the figure: 1. a base; 2. a ventilation slot; 3. a protective frame; 4. a protective cover; 5. monitoring the equipment body; 6. a fixed shaft; 7. a movable blade; 8. a cooling mechanism; 9. a hollow slab; 10. an evaporation rod; 11. a limiting groove; 12. a moisture-absorbing block; 13. water guide fiber strips; 14. an evaporation hole; 15. a cavity; 16. a dust removal mechanism; 17. a micro motor; 18. a dust collecting plate; 19. dedusting cloth; 20. a drum; 21. installing a frame; 22. a plastic bump; 23. a rotating shaft; 24. a chute; 25. a base; 26. an anti-collision mechanism; 27. a bearing plate; 28. compressing the air bag; 29. a connecting pipe; 30. hollow spheres; 31. a ball-shaped groove.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-8, the invention provides a rural domestic sewage treatment facility monitoring device, which comprises a base 1, a ventilation groove 2, a protection frame 3, a protection cover 4 and a monitoring device body 5, wherein the protection frame 3 is installed on the front surface of the base 1, the ventilation groove 2 is arranged on the outer wall of the protection frame 3, the monitoring device body 5 is fixedly installed on the inner wall of the protection frame 3, and the protection cover 4 is installed on the top of the monitoring device body 5, and is characterized in that: the inner wall of ventilation groove 2 is provided with cooling body 8, the bottom fixedly connected with dust removal mechanism 16 of protection casing 4, the back of dust removal mechanism 16 is laminated with the front of supervisory equipment body 5 mutually, the inner wall bottom fixedly connected with anticollision institution 26 of protection frame 3, the top of anticollision institution 26 is laminated with the bottom of supervisory equipment body 5 mutually, cooling body 8 includes fixed axle 6, movable blade 7 and hollow slab 9, the inner wall fixedly connected with fixed axle 6 of ventilation groove 2, the outer wall of fixed axle 6 rotates and is connected with movable blade 7, the inner wall edge fixedly connected with hollow slab 9 of ventilation groove 2, hollow slab 9 includes evaporating rod 10, spacing groove 11 and moisture absorption block 12, spacing groove 11 has been seted up at the top of hollow slab 9, the inner wall of hollow slab 9 is provided with moisture absorption block 12, the top fixedly connected with evaporating rod 10 of moisture absorption block 12, evaporating rod 10 includes water guide fiber strip 13, Evaporation hole 14 and cavity 15, cavity 15 has been seted up to the bottom of evaporating pole 10, the inner wall fixedly connected with water guide ribbon 13 of cavity 15, evaporation hole 14 has been seted up to the outer wall of evaporating pole 10, the outer wall of evaporating pole 10 and the inner wall sliding connection of spacing groove 11, the outer wall of evaporation hole 14 is laminated mutually with evaporation hole 14's edge, when supervisory equipment body 5 uses under high temperature environment for a long time, absorb the cooling water in cavity board 9 through moisture absorption piece 12, make water guide ribbon 13 introduce cavity 15 insidely with the cooling water, thereby evaporate the cooling water in evaporating pole 10 through evaporation hole 14, rotate through movable blade 7, the cooling water after making the evaporation can cool down supervisory equipment body 5, make evaporating pole 10 can rock through the spacing groove 11 that sets up, accelerate the evaporation of cooling water.
Example 2
As shown in fig. 5 to 6, on the basis of embodiment 1, the present invention provides a technical solution: the dust removing mechanism 16 comprises a micro motor 17, dust removing cloth 19, a roller 20, a mounting frame 21, a plastic bump 22, a rotating shaft 23 and a sliding groove 24, the micro motor 17 is fixedly mounted on the side surface of the mounting frame 21, the roller 20 is fixedly connected with the driving end of the micro motor 17, the dust removing cloth 19 is rotatably connected with the outer wall of the roller 20, the rotating shaft 23 is rotatably connected with the inner wall of the mounting frame 21, the plastic bump 22 is fixedly connected with the outer wall of the rotating shaft 23, a dust collecting plate 18 is fixedly mounted on the inner wall of the mounting frame 21, the outer wall of the plastic bump 22 is attached to the outer wall of the roller 20, the rotating shaft 23 is arranged above the dust collecting plate 18, the sliding groove 24 is formed in the bottom of the mounting frame 21, after the monitoring device body 5 is used for a long time, the driving end of the micro motor 17 drives the roller 20 to rotate by starting the micro motor 17, so that the dust removing cloth 19 on the roller 20 can absorb dust on the lens of the monitoring device body 5, the friction between the roller 20 and the plastic bump 22 generates static electricity, so that the plastic bump 22 can adsorb dust on the dust removing cloth 19, and meanwhile, the dust collecting plate 18 prevents the dust adsorbed on the plastic bump 22 from falling onto the monitoring device body 5 again after the static electricity disappears, so that the lens is blurred.
Example 3
As shown in fig. 7 to 8, on the basis of the embodiment 1 and the embodiment 2, the present invention provides a technical solution: preferably, the anti-collision mechanism 26 includes a base 25, a bearing plate 27, a compression airbag 28, a connection pipe 29, a hollow ball 30 and a spherical groove 31, the base 25 is fixedly connected to the bottom of the inner wall of the protection frame 3, the spherical groove 31 is formed in the top of the base 25, the compression airbag 28 is fixedly connected to the top of the base 25, the connection pipe 29 is fixedly connected to the outer wall of the compression airbag 28, the hollow ball 30 is fixedly connected to one end of the connection pipe 29, the bearing plate 27 is fixedly connected to the top of the compression airbag 28, the outer wall of the hollow ball 30 is attached to the inner wall of the spherical groove 31, the top of the hollow ball 30 is movably connected to the bottom of the bearing plate 27, the outer wall of the bearing plate 27 is slidably connected to the inner wall of the protection frame 3, the length of the bearing plate 27 is smaller than that of the protection frame 3, when the installed monitoring device body 5 is vibrated, the compression airbag 28 is compressed by the bearing plate 27, so that the air in the compression airbag 28 is injected into the hollow ball 30, make hollow ball 30 can the bearing plate 27 provide the supporting role, avoid bearing plate 27 directly to collide with supervisory equipment body 5, also reduced supervisory equipment body 5 simultaneously and produced great rocking.
The working principle of the rural domestic sewage treatment facility monitoring device is described in detail below.
As shown in fig. 1-8, after the monitoring device body 5 is operated for a long time, the moisture absorption block 12 absorbs the cooling water in the hollow plate 9, so that the water guide fiber strips 13 introduce the cooling water into the cavity 15, the evaporation of the cooling water in the evaporation rod 10 is accelerated through the evaporation holes 14, meanwhile, when the movable blade 7 is blown by wind to rotate, the evaporated cooling water can cool the surface of the monitoring device body 5, the micro motor 17 is started, the driving end of the micro motor 17 drives the roller 20 to rotate, the dust removing cloth 19 on the roller 20 adsorbs dust on the lens of the monitoring device body 5, the roller 20 rubs with the plastic bump 22 to generate static electricity, so that the plastic bump 22 adsorbs the dust on the dust removing cloth 19, meanwhile, the dust collecting plate 18 can collect the dust adsorbed on the plastic bump 22, when the installed monitoring device body 5 is vibrated, compress compression gasbag 28 through bearing plate 27, make the air injection in the compression gasbag 28 in the clean shot 30, make clean shot 30 can the bearing plate 27 provide the supporting role, avoid bearing plate 27 direct and the supervisory equipment body 5 to take place to collide with, also reduced the supervisory equipment body 5 simultaneously and produced great rocking.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims (7)

1. The utility model provides a rural domestic sewage treatment facility supervisory equipment, includes base (1), ventilation groove (2), protective frame (3), protection casing (4) and supervisory equipment body (5), protective frame (3) are installed in the front of base (1), ventilation groove (2) have been seted up to the outer wall of protective frame (3), the inner wall fixed mounting of protective frame (3) has supervisory equipment body (5), protection casing (4), its characterized in that are installed at the top of supervisory equipment body (5): the inner wall of the ventilation groove (2) is provided with a cooling mechanism (8), the cooling mechanism (8) comprises a fixed shaft (6), movable blades (7) and a hollow plate (9), the fixed shaft (6) is fixedly connected to the inner wall of the ventilation groove (2), the movable blades (7) are rotatably connected to the outer wall of the fixed shaft (6), the hollow plate (9) is fixedly connected to the edge of the inner wall of the ventilation groove (2), the hollow plate (9) comprises an evaporation rod (10), a limiting groove (11) and a moisture absorption block (12), the limiting groove (11) is formed in the top of the hollow plate (9), the moisture absorption block (12) is arranged on the inner wall of the hollow plate (9), and the evaporation rod (10) is fixedly connected to the top of the moisture absorption block (12);
the bottom of the protective cover (4) is fixedly connected with a dust removal mechanism (16), and the back of the dust removal mechanism (16) is attached to the front of the monitoring equipment body (5);
the anti-collision device is characterized in that an anti-collision mechanism (26) is fixedly connected to the bottom of the inner wall of the protection frame (3), and the top of the anti-collision mechanism (26) is attached to the bottom of the monitoring device body (5).
2. The rural domestic sewage treatment facility monitoring equipment of claim 1, wherein: the evaporation rod (10) comprises a water guide fiber strip (13), an evaporation hole (14) and a cavity (15), the cavity (15) is formed in the bottom of the evaporation rod (10), the water guide fiber strip (13) is fixedly connected to the inner wall of the cavity (15), and the evaporation hole (14) is formed in the outer wall of the evaporation rod (10).
3. The rural domestic sewage treatment facility monitoring equipment of claim 2, wherein: the outer wall of evaporation rod (10) and the inner wall sliding connection of spacing groove (11), the edge of the outer wall of evaporation hole (14) and evaporation hole (14) is laminated mutually.
4. The rural domestic sewage treatment facility monitoring equipment of claim 1, wherein: the dust removing mechanism (16) comprises a micro motor (17), dust removing cloth (19), a roller (20), a mounting frame (21), a plastic lug (22), a rotating shaft (23) and a sliding groove (24), a micro motor (17) is fixedly arranged on the side surface of the mounting frame (21), the driving end of the micro motor (17) is fixedly connected with a roller (20), the outer wall of the roller (20) is rotationally connected with a dedusting cloth (19), the inner wall of the mounting frame (21) is rotationally connected with a rotating shaft (23), the outer wall of the rotating shaft (23) is fixedly connected with a plastic lug (22), the inner wall of the mounting frame (21) is fixedly provided with a dust collecting plate (18), the outer wall of the plastic lug (22) is attached to the outer wall of the roller (20), the rotating shaft (23) is arranged above the dust collecting plate (18), and the bottom of the mounting frame (21) is provided with a sliding groove (24).
5. The rural domestic sewage treatment facility monitoring equipment of claim 1, wherein: anticollision institution (26) include base (25), bearing plate (27), compression air bag (28), connecting pipe (29), clean shot (30) and ball-type groove (31), inner wall bottom fixedly connected with base (25) of protective frame (3), ball-type groove (31) have been seted up at the top of base (25), the top fixedly connected with compression air bag (28) of base (25), the outer wall fixedly connected with connecting pipe (29) of compression air bag (28), the one end fixedly connected with clean shot (30) of connecting pipe (29), the top fixedly connected with bearing plate (27) of compression air bag (28).
6. The rural domestic sewage treatment facility monitoring equipment of claim 5, wherein: the outer wall of the hollow ball (30) is attached to the inner wall of the spherical groove (31), and the top of the hollow ball (30) is movably connected with the bottom of the bearing plate (27).
7. The rural domestic sewage treatment facility monitoring equipment of claim 5, wherein: the outer wall of bearing plate (27) and the inner wall sliding connection of protection frame (3), the length of bearing plate (27) is less than the length of protection frame (3).
CN202110140877.0A 2021-02-02 2021-02-02 Rural domestic sewage treatment facility supervisory equipment Active CN112954160B (en)

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Application Number Priority Date Filing Date Title
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CN112954160B true CN112954160B (en) 2022-05-10

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Publication number Priority date Publication date Assignee Title
JP2000234761A (en) * 1999-02-15 2000-08-29 Mitsubishi Electric Corp Dehumidification machine
EP1881276A1 (en) * 2006-07-18 2008-01-23 Rüdiger Staege Ventilator with cooling effect via evaporation
CN212208171U (en) * 2020-07-17 2020-12-22 威尔创新(天津)科技发展有限公司 Automatic dehumidification server case

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