CN110839327B

CN110839327B - Dehumidifier for electronic equipment case

Info

Publication number: CN110839327B
Application number: CN201911174373.XA
Authority: CN
Inventors: 李昕颖
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2021-06-08
Anticipated expiration: 2039-11-26
Also published as: CN110839327A

Abstract

The invention relates to the technical field of electronic equipment dehumidification, in particular to a dehumidifier for an electronic equipment case, which comprises a case body, wherein a condensation plate for dehumidification is fixed inside the case body, the dehumidifier also comprises a driving case fixed on the left side of the case body, a driving part is arranged inside the driving case, a partition plate is fixed inside the case, the partition plate divides the inside of the case body into a condensation chamber and an exhaust chamber, an exhaust mechanism is arranged inside the exhaust chamber, a blocking mechanism and an ice scraping mechanism are arranged inside the condensation chamber, the blocking mechanism is in transmission connection with the ice scraping mechanism, and the driving part is in transmission connection with the exhaust mechanism and the blocking mechanism respectively. This kind of dehumidifier for electronic equipment machine case when moisture in the condensation chamber air of discharging, can not lead to moisture and heat among the outside air to get into inside the condensation chamber to improve the dehumidification and the cooling effect of condensing plate, strike off simple operation convenience to the ice-cube of condensing plate surface adhesion simultaneously moreover.

Description

Dehumidifier for electronic equipment case

Technical Field

The invention relates to the technical field of electronic equipment dehumidification, in particular to a dehumidifier for an electronic equipment case.

Background

Electronic equipment is usually assembled in a compact case, and these electronic components generate a large amount of heat in an operating state, so that cooling and heat dissipation processes are required, but condensate water is generated in the cooling process, and the condensate water can damage the electronic components if not discharged in time, so that the service life of the electronic components is reduced. In the existing device for cooling and radiating the inside of a case, for example, application No. 201811407023.9 discloses a turnover type semiconductor refrigeration dehumidifier, which employs two semiconductor refrigeration sheets to perform circulating dehumidification and heat radiation to the inside of the case, but in this way, a gap appears between the two semiconductor refrigeration sheets during turnover exchange, water vapor of outside air enters the inside of the case again, and heat generated by the hot surface of one of the semiconductor refrigeration sheets can reduce the refrigeration effect of the other semiconductor refrigeration sheet for cooling the inside of the case, thereby reducing the heat radiation efficiency and the dehumidification effect.

Disclosure of Invention

The present invention is directed to a dehumidifier for an electronic equipment enclosure to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dehumidifier for electronic equipment machine case, including quick-witted case body, quick-witted case body inside is fixed with the condensing panel that is used for the dehumidification, still including fixing the drive case at quick-witted case body left, the inside drive division that is provided with of drive case, machine case body inside is fixed with the baffle, the baffle is the quick-witted case body inside partition for condensation chamber and exhaust chamber, the inside exhaust mechanism that is provided with of exhaust chamber, the condensation chamber inside is provided with shutoff mechanism and scrapes ice mechanism, and shutoff mechanism is connected with scraping ice mechanism transmission, the drive division is connected with exhaust mechanism and shutoff mechanism transmission respectively.

Preferably, the driving part comprises a motor fixed in the driving box and a first rotating shaft rotationally connected with the inside of the driving box through a fixed shaft, a first gear is fixed on a main shaft of the motor, a second gear is fixed on the first rotating shaft, and the first gear is meshed with the second gear.

Preferably, exhaust mechanism includes the piston board of sliding connection in the inside of air discharge chamber, the air discharge chamber of piston board with the baffle lower part is separated for first air discharge chamber and second air discharge chamber, through-hole one and through-hole two have been seted up respectively to both ends punishment about the baffle, through-hole one intercommunication condensation chamber and first air discharge chamber, through-hole two intercommunication condensation chamber and second air discharge chamber, exhaust hole one has been seted up to the bottom left end of first air discharge chamber, and exhaust hole one is connected to the outer port of exhaust hole one, exhaust hole two has been seted up to the bottom right-hand member of second air discharge chamber, and exhaust valve two is connected to the outer port of exhaust.

Preferably, the left side of piston board is fixed with two piston board vertically pull rods, and the left end of two pull rods runs through the lateral wall that quick-witted case body and drive case and extends to the inside of drive case, and the left end of two pull rods is fixed with the fixed block, is fixed with the lantern ring on the pivot one, fixed connection rocking arm on the lantern ring, and rocking arm perpendicular to pivot one, and it is articulated through the connecting rod between the free end of rocking arm and the fixed block.

Preferably, discharge valve two is including fixing the blast pipe at the outer port of exhaust hole, and the inner wall upper end of blast pipe is fixed with the sealing washer, and the inner wall of sealing washer is the toper, and the inner wall diameter of sealing washer from top to bottom increases in proper order, and the inner wall lower extreme of blast pipe is fixed with the nose bar, and the nose bar passes through spring two and connects the end cap, the end cap is the frustum form, and the lateral wall of end cap and the inner wall looks adaptation of sealing washer, and the lower extreme diameter of end cap is less than the internal diameter of blast pipe, and discharge valve one is.

Preferably, the blocking mechanism comprises a sealing plate which is connected to the upper surface of the partition plate in a sliding mode, the sealing plate can block one or two through holes, a first pull rod is fixed to the left end of the sealing plate and parallel to the second pull rod, the left end of the first pull rod penetrates through the side walls of the case body and the driving case and extends to the inside of the driving case, a frame is fixed to the left end of the first pull rod, and the trend of the strip-shaped groove in the frame is perpendicular to the trend of the first pull rod.

Preferably, the plugging mechanism further comprises a third chain wheel and a second chain wheel which are connected to the inside of the driving box in a rotating mode through a fixed shaft, the third chain wheel and the second chain wheel are identical in structure and are arranged at the upper position and the lower position, the third chain wheel and the second chain wheel are in transmission connection through a second chain, a short rod is fixed on the second chain, and the short rod is inserted into a strip-shaped groove in the frame and can slide in the strip-shaped groove.

Preferably, a chain wheel four is coaxially fixed on the chain wheel two, a chain wheel one is fixed on the rotating shaft one, the chain wheel two and the chain wheel four have the same structure, and the chain wheel one and the chain wheel four are in transmission connection through a chain.

Preferably, the ice scraping mechanism comprises a second rotating shaft which is rotatably connected to the inside of the condensation chamber through a fixed shaft, a third gear is fixed on the second rotating shaft and is connected with a rack fixed on the upper surface of the sealing plate in a meshed mode, a sleeve is fixed on the second rotating shaft and is perpendicular to the second rotating shaft, a sliding rod is inserted in the sleeve in a sliding mode, a scraping plate is fixed at the upper end of the sliding rod, the scraping plate is connected with the sleeve through a first spring, and the scraping plate is in line contact connection with the lower surface of the condensation chamber.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the exhaust mechanism and the plugging mechanism are mutually matched to ensure that moisture in the air in the condensation chamber is alternately exhausted from the exhaust chamber, and the moisture and heat in the external air cannot enter the condensation chamber, so that the dehumidification and cooling effects of the condensation plate are improved;

according to the invention, the ice scraping mechanism is driven by the plugging mechanism to scrape ice blocks adhered to the surface of the condensing plate while cooling and dehumidifying the interior of the condensing chamber, so that the operation is simple and convenient.

Drawings

FIG. 1 is a first schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 3 is a third schematic view of the cross-sectional structure of the final assembly of the present invention;

FIG. 4 is a fourth schematic cross-sectional view of the assembly of the present invention;

FIG. 5 is a schematic cross-sectional view of the enlarged structure at A in FIG. 1;

fig. 6 is a left side view of the driving part structure of fig. 1.

In the figure: 1-a cabinet body; 2-a drive box; 3, a motor; 4, a first gear; 5-gear two; 6, a first chain wheel; 7-rotating the first shaft; 8-rocker arm; 9-a connecting rod; 10, a first chain; 11-a second chain wheel; 12-chain two; 13-sprocket III; 14-short bar; 15-a frame; 16-a first pull rod; 17-fixing block; 18-a second pull rod; 19-a cold plate; 20-a separator; 21-a piston plate; 22-a first through hole; 23-a second through hole; 24-a nose bar; 25-exhaust hole I; 26-a first exhaust valve; 27-exhaust hole II; 28-exhaust valve II; 29-sealing plate; 30-a rack; 31-gear three; 32-a second rotating shaft; 33-a cannula; 34-a slide bar; 35-a first spring; 36-a scraper; 37-sprocket four; 38-a collar; 39-an exhaust pipe; 40-a sealing ring; 41-plug; 42-spring two.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a dehumidifier for electronic equipment machine case, including quick-witted case body 1, quick-witted case body 1 is inside to be fixed with the condensing plate 19 that is used for the dehumidification, still including fixing at the left drive case 2 of quick-witted case body 1, the inside drive division that is provided with of drive case 2, machine case body 1 is inside to be fixed with baffle 20, baffle 20 is 1 internal partitioning of quick-witted case body for condensation chamber and exhaust chamber, condensing plate 19 is located the condensation chamber, and cool down the condensation chamber, can condense on condensing plate 19 after the moisture in the inside air of condensation chamber cools down, still can freeze the adhesion on condensing plate 19 when the temperature is less than the freezing point, the inside exhaust mechanism that is provided with of exhaust chamber, the inside shutoff mechanism that is provided with of condensation chamber constructs and scrapes ice mechanism, and shutoff mechanism and the transmission of scraping ice mechanism are connected, the drive division is connected with.

In this embodiment, the driving portion includes a motor 3 fixed inside the driving box 2 and a first rotating shaft 7 rotatably connected inside the driving box 2, a first gear 4 is fixed on a main shaft of the motor 3, a second gear 5 is fixed on the first rotating shaft 7, and the first gear 4 is meshed with the second gear 5.

In this embodiment, exhaust mechanism includes sliding connection at the inside piston plate 21 of air discharge chamber, piston plate 21 separates the air discharge chamber of baffle 20 lower part for first air discharge chamber and second air discharge chamber, through-hole one 22 and through-hole two 23 have been seted up respectively to both ends punishment about baffle 20, through-hole one 22 intercommunication condensation chamber and first air discharge chamber, through-hole two 23 intercommunication condensation chamber and second air discharge chamber, exhaust hole one 25 has been seted up to the bottom left end of first air discharge chamber, and exhaust hole one 26 is connected to the outer port of exhaust hole one 25, exhaust hole two 27 has been seted up to the bottom right-hand member of second air discharge chamber, and exhaust valve two 28 is connected to the outer port of exhaust hole two 27.

In this embodiment, a second pull rod 18 perpendicular to the piston plate 21 is fixed to the left side of the piston plate 21, the left end of the second pull rod 18 penetrates through the side walls of the chassis body 1 and the driving box 2 and extends into the driving box 2, a fixed block 17 is fixed to the left end of the second pull rod 18, a collar 38 is fixed to the first rotating shaft 7, a rocker arm 8 is fixedly connected to the collar 38, the rocker arm 8 is perpendicular to the first rotating shaft 7, and the free end of the rocker arm 8 is hinged to the fixed block 17 through a connecting rod 9.

In this embodiment, the second exhaust valve 28 includes the exhaust pipe 39 fixed at the outer port of the second exhaust hole 27, the upper end of the inner wall of the exhaust pipe 39 is fixed with the sealing ring 40, the inner wall of the sealing ring 40 is conical, the diameter of the inner wall of the sealing ring 40 is sequentially increased from top to bottom, the lower end of the inner wall of the exhaust pipe 39 is fixed with the protruding rod 24, the protruding rod 24 is connected with the plug 41 through the second spring 42, the plug 41 is frustum-shaped, the side wall of the plug 41 is matched with the inner wall of the sealing ring 40, the diameter of the lower end of the plug 41 is smaller than the inner diameter of the exhaust pipe 39.

In this embodiment, the blocking mechanism includes a sealing plate 29 slidably connected to the upper surface of the partition plate 20, the sealing plate 29 may block the first through hole 22 or the second through hole 23, a first pull rod 16 is fixed to the left end of the sealing plate 29, the first pull rod 16 is parallel to the second pull rod 18, the left end of the first pull rod 16 penetrates through the side walls of the chassis body 1 and the driving box 2 and extends into the driving box 2, a frame 15 is fixed to the left end of the first pull rod 16, and the direction of the strip-shaped groove on the frame 15 is perpendicular to the first pull rod 16.

In this embodiment, the shutoff mechanism still includes that the dead axle rotates to be connected at the inside sprocket three 13 and the sprocket two 11 of drive case 2, and the position setting about the same of the three 13 and the sprocket two 11 structures, and the sprocket three 13 and the sprocket two 11 are connected through the transmission of two 12 chains, are fixed with the quarter butt 14 on the two 12 chains, and the quarter butt 14 is pegged graft in the bar inslot on frame 15 and can slide in the bar inslot, and the vertical section and the bending section length of two 12 chains are equal to ensure that the rotation 90 of rocking arm 8 is one fourth of two 12 chains's length with the quarter butt 14 motion stroke under two 12 chains's the drive.

In this embodiment, a fourth sprocket 37 is coaxially fixed on the second sprocket 11, a first sprocket 6 is fixed on the first rotating shaft 7, the first sprocket 6, the second sprocket 11 and the fourth sprocket 37 have the same structure, and the first sprocket 6 and the fourth sprocket 37 are in transmission connection through a first chain 10.

In this embodiment, the ice scraping mechanism includes a second rotating shaft 32 which is rotatably connected to the inside of the condensation chamber, a third gear 31 is fixed on the second rotating shaft 32, the third gear 31 is engaged with a rack 30 fixed on the upper surface of the sealing plate 29, a sleeve 33 is fixed on the second rotating shaft 32, the sleeve 33 is perpendicular to the second rotating shaft 32, a sliding rod 34 is inserted in the sleeve 33 in a sliding manner, a scraper 36 is fixed at the upper end of the sliding rod 34, the scraper 36 is connected with the sleeve 33 through a first spring 35, and the scraper 36 is in line contact connection with the lower surface of the condensation plate 19.

The application of the machine structure using process comprises the following steps:

the method comprises the following steps: the driving part drives the exhaust mechanism to exhaust air to the left side of the exhaust chamber, and simultaneously, under the action of the plugging mechanism, moisture in the air in the condensation chamber is sucked into the right side of the exhaust chamber;

step two: the driving part drives the exhaust mechanism to exhaust the air on the right side of the exhaust chamber, and simultaneously, under the action of the plugging mechanism, the moisture in the air in the condensation chamber is sucked into the left side of the exhaust chamber;

step three: the ice scraping mechanism is driven by the blocking mechanism to scrape ice blocks adhered to the condensing plate, and the ice blocks are discharged by the exhaust chamber.

The method comprises the following specific steps:

the method comprises the following steps: when the electronic equipment is started to work, the motor 3 inside the case body 1 is electrified to work synchronously, the spindle of the motor 3 drives the gear I4 to rotate, the gear I4 drives the gear II 5 to rotate, in the embodiment, the gear II 5 is set to rotate clockwise, as shown in fig. 1 and fig. 2, the clockwise rotation of the gear II 5 drives the rotating shaft I7 to rotate clockwise synchronously, so that the rocker arm 8 is driven to rotate clockwise through the lantern ring 38, the clockwise rotation of the rocker arm 8 applies a leftward pulling force to the fixed block 17 through the connecting rod 9, and the pull rod II 18 drives the piston plate 21 to move leftward inside the exhaust chamber;

the first rotating shaft 7 rotates clockwise and drives the first chain wheel 6 to rotate clockwise synchronously, the first chain wheel 6 drives the fourth chain wheel 37 to rotate clockwise through the first chain 10, so as to drive the second chain wheel 11 to rotate clockwise, the second chain wheel 11 drives the third chain wheel 13 to rotate clockwise through the second chain 12, the second chain 12 operates synchronously to drive the short rod 14 to operate, in the process that the piston plate 21 operates from the middle part of the exhaust chamber to the left side as shown in the figures 1 and 2, the short rod 14 moves upwards along the strip-shaped groove on the frame 15 at the vertical section on the left side of the second chain 12, at the moment, the sealing plate 29 seals the first vent hole 22, the second vent hole 23 opens a passage, the piston plate 21 moves leftwards to reduce the volume of the first exhaust chamber, the internal air pressure is increased, the volume of the second exhaust chamber is increased, the internal air pressure is reduced, as shown in figure 5, the plug 41 in the first exhaust, the second spring 42 is compressed, so that the sealing ring 40 can be communicated with the first exhaust cavity and the outside of the case body 1, air in the first exhaust cavity is exhausted from the first exhaust hole 25, meanwhile, the volume of the second exhaust cavity is increased, the pressure is reduced, air and condensate water in the condensation chamber are sucked into the second exhaust cavity through the second vent hole 23, due to the fact that the plug 41 in the second exhaust valve 28 is used for plugging the corresponding sealing ring 40 under the action of suction force of the second exhaust cavity and the action of the second spring 42 in the second exhaust valve 28, the second exhaust valve 28 is not conducted, the situation that external air enters the second exhaust cavity and enters the condensation chamber through the second vent hole 23 is avoided, moisture in the external air is prevented from entering, the same external heat cannot enter the condensation chamber, and dehumidification and heat dissipation effects of the condensation plate 19 are improved;

as shown in fig. 1 and 2, when the second chain 12 drives the short rod 14 to run around the upper half circumference of the third chain wheel 13, the short rod 14 applies a rightward thrust to the frame 15 in the horizontal direction so as to drive the sealing plate 29 to move rightward through the first pull rod 16 and block the second vent hole 23, at this time, the first vent hole 22 is opened, and the rocker arm 8 applies a rightward thrust to the fixed block 17 through the connecting rod 9, so that the fixed block 17 applies a rightward thrust to the piston plate 21 through the second pull rod 18, and the piston plate 21 moves rightward and is reset;

step two: as shown in fig. 3 and 4, in the process that the piston plate 21 moves from the middle of the exhaust chamber to the right side, the short rod 14 moves downwards along the strip-shaped groove on the frame 15 at the right vertical section of the second chain 12, at this time, the sealing plate 29 seals the second vent hole 23, the first vent hole 22 opens the passage, the piston plate 21 moves to the right to reduce the volume of the second exhaust chamber, increase the internal air pressure, increase the volume of the first exhaust chamber, and reduce the internal air pressure, as shown in fig. 5, the high-pressure ventilation in the second exhaust chamber pushes the plug 41 in the second exhaust valve 28 downwards to open, and compresses the second spring 42, so that the sealing ring 40 can communicate the second exhaust chamber with the outside of the chassis body 1, further the air in the second exhaust chamber is exhausted from the second exhaust hole 27, and the pressure increase in the volume of the first exhaust chamber reduces the air and condensed water in the condensation chamber to be sucked into the first exhaust chamber through the, due to the fact that the plugs 41 in the second exhaust valves 28 are used for plugging the corresponding sealing rings 40 under the action of the suction force of the first exhaust cavity and the action of the second springs 42 in the first exhaust valves 26, the first exhaust valves 26 are not conducted, external air is prevented from entering the first exhaust cavities and entering the interior of the condensation chamber through the first exhaust holes 22, moisture in the external air is prevented from entering, the same external heat cannot enter the interior of the condensation chamber, and dehumidification and heat dissipation effects of the condensation plate 19 are improved;

as shown in fig. 4 and fig. 1, during the operation of the second chain 12 driving the short rod 14 to rotate around the lower half of the third sprocket 13, the short rod 14 horizontally applies a left pulling force to the frame 15 to drive the sealing plate 29 to move left through the first pull rod 16 and block the first vent hole 22, at this time, the second vent hole 23 is opened, the rocker arm 8 applies a left pulling force to the fixed block 17 through the connecting rod 9, so that the fixed block 17 applies a left pulling force to the piston plate 21 through the second pull rod 18, so that the piston plate 21 moves left and is reset, in combination with the operation flow in the first step, the piston plate 21 alternately compresses the first vent chamber and the second vent chamber, the sealing plate 29 alternately blocks the first vent hole 22 and the second vent hole 23, so that the moisture condensed in the condensation chamber is alternately discharged from the first vent valve 26 and the second vent valve 28, and moisture and heat in the outside air are not caused to enter the condensation chamber, thereby improving the dehumidification and cooling effects of the condensation plate 19;

step three: in the process of discharging the condensed moisture in the condensation chamber, the sealing plate 29 moves left and right to drive the rack 30 to move left and right, when the sealing plate 29 moves leftwards to seal the first vent hole 22, the rack 30 moves leftwards synchronously and drives the gear 31 to rotate clockwise, the clockwise rotation of the gear 31 drives the second rotating shaft 32 to rotate synchronously, and drives the sleeve 33 to rotate clockwise around the second rotating shaft 32, the sliding rod 34 drives the scraping plate 36 to scrape ice from left to right on the surface of the condensation plate 19 in the process of clockwise rotation of the sleeve 33, the scraped condensed water drops, ice blocks and the like are discharged from the second vent hole 23 to the inside of the second exhaust cavity and are discharged from the second exhaust hole 27, the first spring 35 is used for ensuring that the scraper 36 can always be attached to the surface of the condensation plate 19 so as to ensure the ice scraping effect, the sliding rod 34 can extend and contract in the sleeve 33 so as to adapt to the change of the distance between the scraper 36 and the second rotating shaft 32 in the ice scraping process of the condensation plate 19;

when the sealing plate 29 moves rightwards to block the second air vent 23, the rack 30 moves rightwards synchronously and drives the gear 31 to rotate anticlockwise, the anticlockwise rotation of the gear 31 drives the second rotating shaft 32 to rotate synchronously, the sleeve 33 is driven to rotate anticlockwise around the second rotating shaft 32, the scraper 36 is driven by the slide bar 34 in the anticlockwise rotating process of the sleeve 33 to scrape ice on the surface of the condensing plate 19 from right to left, scraped condensed water drops, ice blocks and the like are discharged from the first air vent 22 to the inside of the first air exhaust cavity and are discharged from the first air exhaust hole 25, so that the ice blocks adhered to the surface of the condensing plate 19 are scraped while the inside of the condensing chamber is cooled and dehumidified, and the operation is simple and convenient.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A dehumidifier for an electronic equipment cabinet, comprising a cabinet body (1), wherein a condensing plate (19) for dehumidifying is fixed inside the cabinet body (1), the dehumidifier is characterized in that: the refrigerator is characterized by further comprising a driving box (2) fixed on the left side of the cabinet body (1), a driving part is arranged inside the driving box (2), a partition plate (20) is fixed inside the cabinet body (1), the partition plate (20) divides the inside of the cabinet body (1) into a condensation chamber and an exhaust chamber, an exhaust mechanism is arranged inside the exhaust chamber, a plugging mechanism and an ice scraping mechanism are arranged inside the condensation chamber, the plugging mechanism is in transmission connection with the ice scraping mechanism, and the driving part is in transmission connection with the exhaust mechanism and the plugging mechanism respectively;

the exhaust mechanism comprises a piston plate (21) which is connected inside an exhaust chamber in a sliding manner, the exhaust chamber at the lower part of a partition plate (20) is divided into a first exhaust chamber and a second exhaust chamber by the piston plate (21), a first through hole (22) and a second through hole (23) are respectively formed in the left end and the right end of the partition plate (20), the first through hole (22) is communicated with a condensation chamber and the first exhaust chamber, the second through hole (23) is communicated with the condensation chamber and the second exhaust chamber, a first exhaust hole (25) is formed in the left end of the bottom of the first exhaust chamber, an outer port of the first exhaust hole (25) is connected with a first exhaust valve (26), a second exhaust hole (27) is formed in the right end of the bottom of the second exhaust chamber, and an outer port of the second exhaust;

the blocking mechanism comprises a sealing plate (29) which is connected to the upper surface of the partition plate (20) in a sliding mode, the sealing plate (29) can block the first through hole (22) or the second through hole (23), a first pull rod (16) is fixed to the left end of the sealing plate (29), the first pull rod (16) is parallel to the second pull rod (18), the left end of the first pull rod (16) penetrates through the side walls of the case body (1) and the driving case (2) and extends into the driving case (2), a frame (15) is fixed to the left end of the first pull rod (16), and the direction of a strip-shaped groove in the frame (15) is perpendicular to the direction of the first pull rod (16);

the ice scraping mechanism comprises a second rotating shaft (32) which is connected with the inside of the condensation chamber in a fixed-shaft rotating mode, a third gear (31) is fixed on the second rotating shaft (32), the third gear (31) is connected with a rack (30) fixed on the upper surface of the sealing plate (29) in a meshing mode, a sleeve (33) is fixed on the second rotating shaft (32), and the sleeve (33) is perpendicular to the second rotating shaft (32).

2. The dehumidifier of claim 1 wherein: the driving part comprises a motor (3) fixed inside a driving box (2) and a first rotating shaft (7) rotationally connected inside the driving box (2) in a fixed shaft mode, a first gear (4) is fixed on a main shaft of the motor (3), a second gear (5) is fixed on the first rotating shaft (7), and the first gear (4) is meshed with the second gear (5) in a connecting mode.

3. The dehumidifier of claim 2 wherein: the left side of piston board (21) is fixed with two (18) of pull rod with piston board (21) vertically, and the left end of two (18) of pull rod runs through the inside that the lateral wall of quick-witted case body (1) and drive case (2) extended to drive case (2), and the left end of two (18) of pull rod is fixed with fixed block (17), be fixed with lantern ring (38) on pivot (7), fixed connection rocking arm (8) are gone up in lantern ring (38), and rocking arm (8) perpendicular to pivot (7), it is articulated through connecting rod (9) between the free end of rocking arm (8) and fixed block (17).

4. The dehumidifier of claim 1 wherein: two (28) of discharge valve are including fixing blast pipe (39) at two (27) outer ports in exhaust hole, the inner wall upper end of blast pipe (39) is fixed with sealing washer (40), the inner wall of sealing washer (40) is the toper, and the inner wall diameter of sealing washer (40) from top to bottom increases in proper order, the inner wall lower extreme of blast pipe (39) is fixed with nose bar (24), end cap (41) are connected through two (42) springs in nose bar (24), end cap (41) are the frustum form, and the lateral wall of end cap (41) and the inner wall looks adaptation of sealing washer (40), the lower extreme diameter of end cap (41) is less than the internal diameter of blast pipe (39), discharge valve (26) are the same with two (28) structures in discharge valve.

5. The dehumidifier of claim 2 wherein: the plugging mechanism further comprises a third chain wheel (13) and a second chain wheel (11) which are rotatably connected inside the driving box (2) through a fixed shaft, the third chain wheel (13) and the second chain wheel (11) are identical in structure and are arranged at the upper position and the lower position, the third chain wheel (13) and the second chain wheel (11) are in transmission connection through the second chain (12), a short rod (14) is fixed on the second chain (12), and the short rod (14) is inserted into a strip-shaped groove in the frame (15) in an inserted mode and can slide in the strip-shaped groove.

6. The dehumidifier of claim 5 wherein: the chain wheel II (11) is coaxially fixed with a chain wheel IV (37), the rotating shaft I (7) is fixed with a chain wheel I (6), the chain wheel II (11) and the chain wheel IV (37) are identical in structure, and the chain wheel I (6) and the chain wheel IV (37) are in transmission connection through a chain I (10).

7. The dehumidifier of claim 1 wherein: a sliding rod (34) is inserted in the sleeve (33) in a sliding mode, a scraper (36) is fixed at the upper end of the sliding rod (34), the scraper (36) is connected with the sleeve (33) through a spring I (35), and the scraper (36) is in line contact connection with the lower surface of the condensing plate (19).