CN211041215U

CN211041215U - Low-temperature freezing dehumidification unit

Info

Publication number: CN211041215U
Application number: CN201922079011.4U
Authority: CN
Inventors: 王国华
Original assignee: Dehumidification Equipment Co ltd
Current assignee: Dehumidification Equipment Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-17
Anticipated expiration: 2029-11-27

Abstract

The utility model provides a low temperature refrigeration dehumidification unit, including first quick-witted case, first machine incasement chamber's both sides are from last to all fixedly connected with first backup pad, second backup pad and the third backup pad down in proper order, the left side fixedly connected with rose box at second backup pad top, the inner chamber of rose box is provided with filtering mechanism. The utility model discloses a suction mechanism, the cooperation of filtering mechanism and air-blower, convenient to use person filters the impurity in the humid air, the filter effect of equipment has been increased, cooperation through water collecting mechanism, convenient to use person in time collects the liquid in the evaporimeter, cooperation through damper, convenient to use person carries out the shock attenuation to the support frame, thereby carry out the shock attenuation to the air-blower, it is poor to have solved traditional low temperature refrigeration dehumidification unit filter effect, to the shock attenuation effect of air-blower poor and can't carry out the problem of in time collecting to the liquid in the evaporimeter.

Description

Low-temperature freezing dehumidification unit

Technical Field

The utility model relates to a low temperature refrigeration dehumidifier field especially relates to a low temperature refrigeration dehumidifier unit.

Background

The low-temperature refrigeration dehumidifier is a dehumidifier which is commonly called as a refrigeration dehumidifier in a professional way, the basic principle is that water vapor is cooled to form water drops when meeting fins of a cooling copper pipe, the dehumidifier is a device for providing gaseous water to be converted into liquid water in the whole liquefaction process, the whole dehumidification process of the low-temperature refrigeration dehumidifier is divided into an internal circulation process and an external circulation process, and therefore the energy conversion is achieved, the energy conservation law is followed, and the dehumidification process of the whole specific space is finally completed.

However, the filtering effect of the conventional low-temperature freezing dehumidifier unit is poor, when the low-temperature freezing dehumidifier absorbs the humid air, impurities in the humid air cannot be completely filtered, the impurities enter the interior of the case, equipment in the case is damaged, the damping effect of the air blower in the conventional low-temperature freezing dehumidifier unit is poor, the air blower can generate large noise due to vibration when in work, the air blower can be damaged due to excessive vibration, the conventional low-temperature freezing dehumidifier cannot timely collect liquid in the evaporator, the liquid is gathered in the evaporator, and the working effect of the evaporator can be influenced.

Therefore, it is necessary to provide a low temperature refrigeration dehumidifier unit to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a low temperature refrigeration dehumidification unit has solved traditional low temperature refrigeration dehumidification unit filter effect poor, to the shock attenuation effect of air-blower poor and can't carry out the problem of in time collecting to the liquid in the evaporimeter.

In order to solve the technical problems, the utility model provides a low-temperature freezing and dehumidifying unit, which comprises a first case, wherein a first supporting plate, a second supporting plate and a third supporting plate are fixedly connected on two sides of an inner cavity of the first case from top to bottom in sequence, a filter box is fixedly connected on the left side of the top of the second supporting plate, an inner cavity of the filter box is provided with a filter mechanism, the left side of the top of the first case is provided with an air suction mechanism, the two sides of the center of the top of the second supporting plate are fixedly connected with an evaporator and a condenser from left to right in sequence, the left side of the bottom of the second supporting plate is provided with a water collecting mechanism, the right side of the top of the third supporting plate is fixedly connected with a compressor, the left side of the compressor is communicated with a first pipeline, one end of the first pipeline, which is far away from, the center department intercommunication at compressor top has the second pipeline, the one end that the compressor was kept away from to the second pipeline run through second backup pad and first backup pad and communicate with the right side at evaporimeter top, the right side fixedly connected with second machine case of first machine case, the bottom fixedly connected with filling block of second machine incasement chamber, the top of filling block is provided with damper, damper's top fixedly connected with support frame, the right side of support frame and the right side sliding connection of second machine incasement chamber, the inner chamber fixedly connected with air-blower of support frame, logical groove has been seted up on the right side at first machine incasement chamber top, the inlet scoop of air-blower runs through to the inner chamber that leads to the groove, the air outlet of air-blower runs through second machine case and upwards extends.

Preferably, the filtering mechanism comprises a filtering plate, a filtering screen plate and an active carbon adsorption plate, the filtering screen plate and the active carbon adsorption plate are sequentially embedded in the top and the bottom of the inner cavity of the filtering box from left to right, and the inner sides of the bottom of the evaporator and the bottom of the condenser are communicated through a capillary tube.

Preferably, the water collecting mechanism comprises a gas-liquid separator, a water collecting tank, a third pipeline and a fourth pipeline, the gas-liquid separator is fixedly connected to the left side of the top of the third supporting plate, the third pipeline is communicated with the center of the top of the gas-liquid separator, one end, far away from the gas-liquid separator, of the third pipeline penetrates through the second supporting plate and is communicated with the left side of the bottom of the evaporator, the fourth pipeline is communicated with the left side of the bottom of the gas-liquid separator, and one end, far away from the gas-liquid separator, of the fourth pipeline penetrates through the third supporting plate and is communicated with the center of the top of the water collecting tank.

Preferably, the air suction mechanism comprises an air pump, an air pipe, an air suction pipe and a suction head, the left side of the top of the first case is fixedly connected with the air pump through a bump, the right end of the air pump is communicated with the air pipe, the right end of the air pipe penetrates through the inner cavity of the filter box, the left end of the air pump is communicated with the air suction pipe, and the left end of the air suction pipe is communicated with the suction head.

Preferably, damper includes movable rod, first spring and second spring, the first fixed block of the equal fixedly connected with in both sides of support frame bottom, and there is the movable rod bottom of first fixed block through loose axle swing joint, there is the second fixed block bottom of movable rod through loose axle swing joint, and the first spring of inboard fixedly connected with of second fixed block, the equal fixedly connected with second spring in bottom of support frame both sides, the bottom of second spring and the top fixed connection of filling block.

Preferably, first spout has been seted up to the center department at filling block top, the inner chamber of first spout all has first slider from a left side to the right side sliding connection in proper order, the top of first slider run through the inner chamber of first spout and with the bottom fixed connection of second fixed block, the right side of rose box inner chamber is from last to all having seted up the through-hole down in proper order.

Preferably, a second sliding groove is formed in the right side of the top of the inner cavity of the second case, a second sliding block is connected to the inner cavity of the second sliding groove in a sliding mode, and the left side of the second sliding block penetrates through the inner cavity of the second sliding groove and is fixedly connected with the right side of the supporting frame.

Compared with the prior art, the utility model provides a pair of low temperature refrigeration dehumidification unit has following beneficial effect:

the utility model provides a low-temperature refrigeration dehumidifying unit,

1. the utility model discloses a cooperation of suction mechanism, filtering mechanism and air-blower, the user drives the suction head through the air pump and conveys indoor humid air to the rose box via the breather pipe, gas is at this moment under the drainage effect of air-blower, through the filter, filter screen plate and active carbon adsorption plate filter and adsorb later convey to the first case via the through-hole, the convenient to use person filters the impurity in the humid air, active carbon adsorption plate adsorbs the air and removes the peculiar smell simultaneously, the filtration effect of equipment has been increased, through the cooperation of water-collecting mechanism, the user passes through gas-liquid separator and conveys the liquid in the evaporimeter to the gas-liquid separator via the third pipeline, then convey to the fourth pipeline via the gas-liquid separator, fall to the header box afterwards, the convenient to use person in time collects the liquid in the evaporimeter, through the cooperation of damper, the air-blower can shake the production when the operation, the air-blower drives the support frame and moves down this moment, second spring atress this moment, the support frame drives the movable rod through first fixed block and begins to remove to the inboard this moment, thereby extrude first spring, elasticity through first spring and second spring is kick-backed, convenient to use person carries out the shock attenuation to the support frame, thereby carry out the shock attenuation to the air-blower, the stability of air-blower has been increased, it is poor to have solved traditional low temperature refrigeration dehumidification unit filter effect, poor and can't carry out the problem of in time collecting to the liquid in the evaporimeter to the shock attenuation effect of air-blower.

2. The utility model discloses a filter, filter plate and active carbon adsorption plate's cooperation, the convenient to use person filters the impurity in the humid air, prevent that impurity from damaging the equipment in the first quick-witted incasement, through the cooperation of vapour and liquid separator, the header tank, the cooperation of third pipeline and fourth pipeline, the convenient to use person collects the liquid in the evaporimeter, through the cooperation of air pump, breather pipe, breathing pipe and suction head, the convenient to use person absorbs indoor humid air, the work efficiency of equipment has been accelerated, through the cooperation of movable rod, first spring and second spring, the convenient to use person damps the air-blower, the stability of air-blower has been increased, through the cooperation of first spout and first slider, the convenient to use person is spacing to the second fixed block, assist the second fixed block to carry out the fast migration simultaneously, through the cooperation of through-hole, the convenient to use person takes out the humid gas in the rose box, through the cooperation of second slider and second spout, convenient to use person carries on spacingly to the support frame, prevents that the support frame from taking place the slope at the removal in-process, has increased the stability of support frame, has increased the stability of air-blower simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a low-temperature freezing and dehumidifying unit according to the present invention;

FIG. 2 is a cross-sectional view of the filter box of FIG. 1;

fig. 3 is a structural sectional view of the second enclosure shown in fig. 1.

Reference numbers in the figures: 1. a first chassis; 2. a second chassis; 3. a suction mechanism; 31. an air pump; 32. a breather pipe; 33. an air intake duct; 34. a suction head; 4. a first support plate; 5. a second support plate; 6. a third support plate; 7. a filtering mechanism; 71. a filter plate; 72. a filter screen plate; 73. an activated carbon adsorption plate; 8. a filter box; 9. a through hole; 10. an evaporator; 11. a condenser; 12. a water collecting mechanism; 121. a gas-liquid separator; 122. a water collection tank; 123. a fourth conduit; 124. a third pipeline; 13. filling blocks; 14. a first conduit; 15. a compressor; 16. a second conduit; 17. a damping mechanism; 171. a movable rod; 172. a first spring; 173. a second spring; 18. a first chute; 19. a first slider; 20. a second slider; 21. a second chute; 22. a support frame; 23. a blower.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of a low temperature refrigeration dehumidifier unit provided by the present invention, fig. 2 is a sectional structural view of a filter box shown in fig. 1, fig. 3 is a sectional structural view of a second cabinet shown in fig. 1, a low temperature refrigeration dehumidifier unit comprises a first cabinet 1, two sides of an inner cavity of the first cabinet 1 are fixedly connected with a first support plate 4, a second support plate 5 and a third support plate 6 from top to bottom in sequence, a left side of a top of the second support plate 5 is fixedly connected with a filter box 8, an inner cavity of the filter box 8 is provided with a filter mechanism 7, a left side of the top of the first cabinet 1 is provided with an air suction mechanism 3, two sides of a center of the top of the second support plate 5 are fixedly connected with an evaporator 10 and a condenser 11 from left to right in sequence, a left side of a bottom of the second support plate 5 is provided, the right side of the top of the third supporting plate 6 is fixedly connected with a compressor 15, the left side of the compressor 15 is communicated with a first pipeline 14, one end, far away from the compressor 15, of the first pipeline 14 penetrates through the second supporting plate 5 and is communicated with the right side of the top of the condenser 11, the center of the top of the compressor 15 is communicated with a second pipeline 16, one end, far away from the compressor 15, of the second pipeline 16 penetrates through the second supporting plate 5 and the first supporting plate 4 and is communicated with the right side of the top of the evaporator 10, the right side of the first case 1 is fixedly connected with the second case 2, the bottom of the inner cavity of the second case 2 is fixedly connected with a filling block 13, the top of the filling block 13 is provided with a damping mechanism 17, the top of the damping mechanism 17 is fixedly connected with a supporting frame 22, the right side of the supporting frame 22 is slidably connected with the right side of the inner cavity of, logical groove has been seted up on the right side at 1 inner chamber top of first quick-witted case, the inlet scoop of air-blower 23 runs through to the inner chamber that leads to the groove, the air outlet of air-blower 23 runs through second machine case 2 and upwards extends.

Filtering mechanism 7 includes filter 71, filter screen 72 and active carbon adsorption plate 73, the top and the bottom of 8 inner chambers of rose box all inlay from a left side to the right side in proper order and are equipped with filter 71, filter screen 72 and active carbon adsorption plate 73, the capillary intercommunication is passed through to the inboard of evaporimeter 10 and condenser 11 bottom, through filter 71, filter screen 72 and active carbon adsorption plate 73's cooperation, and convenient to use person filters the impurity in the humid air, prevents that impurity from damaging the equipment in the first case 1.

The water collecting mechanism 12 comprises a gas-liquid separator 121, a water collecting tank 122, a third pipeline 124 and a fourth pipeline 123, the gas-liquid separator 121 is fixedly connected to the left side of the top of the third supporting plate 6, the third pipeline 124 is communicated with the center of the top of the gas-liquid separator 121, one end, far away from the gas-liquid separator 121, of the third pipeline 124 penetrates through the second supporting plate 5 and is communicated with the left side of the bottom of the evaporator 10, the fourth pipeline 123 is communicated with the left side of the bottom of the gas-liquid separator 121, one end, far away from the gas-liquid separator 121, of the fourth pipeline 123 penetrates through the third supporting plate 6 and is communicated with the center of the top of the water collecting tank 122, and through the cooperation of the gas-liquid separator 121, the water collecting tank 122, the third pipeline 124 and the fourth pipeline 123, a user can conveniently collect liquid in.

The air suction mechanism 3 comprises an air pump 31, an air pipe 32, an air suction pipe 33 and a suction head 34, the left side of the top of the first case 1 is connected with the air pump 31 through a bump, the right end of the air pump 31 is communicated with the air pipe 32, the right end of the air pipe 32 penetrates through the inner cavity of the filter box 8, the left end of the air pump 31 is communicated with the air pipe 33, the left end of the air suction pipe 33 is communicated with the suction head 34, and through the cooperation of the air pump 31, the air pipe 32, the air suction pipe 33 and the suction head 34, a user can conveniently absorb indoor humid air, and the working efficiency of the equipment is.

Damper 17 includes movable rod 171, first spring 172 and second spring 173, the first fixed block of the equal fixedly connected with in both sides of support frame 22 bottom, and the bottom of first fixed block has movable rod 171 through loose axle swing joint, there is the second fixed block bottom of movable rod 171 through loose axle swing joint, and the first spring 172 of inboard fixedly connected with of second fixed block, the equal fixedly connected with second spring 173 in bottom of support frame 22 both sides, the bottom of second spring 173 and the top fixed connection of filling block 13, through the cooperation of movable rod 171, first spring 172 and second spring 173, convenient to use person carries out the shock attenuation to air-blower 23, has increased air-blower 23's stability.

First spout 18 has been seted up at the center department at 13 tops of filling block, first spout 18's inner chamber all has first slider 19 to the right side in proper order sliding connection from a left side, first slider 19's top run through first spout 18's inner chamber and with the bottom fixed connection of second fixed block, through-hole 9 has all been seted up in proper order down on the right side of rose box 8 inner chamber from last, and through the cooperation of first spout 18 and first slider 19, convenient to use person carries on spacingly to the second fixed block, and supplementary second fixed block carries out the rapid draing simultaneously, through the cooperation of through-hole 9, and convenient to use person takes out the humid gas in the rose box 8 from.

Second spout 21 has been seted up on the right side at 2 inner chamber tops of second machine case, the inner chamber sliding connection of second spout 21 has second slider 20, the left side of second slider 20 run through the inner chamber of second spout 21 and with support frame 22's right side fixed connection, through the cooperation of second slider 20 and second spout 21, convenient to use person carries on spacingly to support frame 22, prevents that support frame 22 from taking place to incline at the removal in-process, has increased support frame 22's stability, has increased air-blower 23's stability simultaneously.

The utility model provides a pair of low temperature refrigeration dehumidification unit's theory of operation as follows: the user opens the air pump 31, the air pump 31 drives the suction head 34 to deliver the humid air in the room into the filter box 8 through the vent pipe 32, at this time, the humid air is delivered into the first box 1 through the through hole 9 after being filtered and adsorbed by the filter plate 71, the filter screen plate 72 and the activated carbon adsorption plate 73 under the drainage action of the blower 23, at this time, the compressor 15 sucks the refrigerant gas with low temperature and low pressure into the gas with high temperature and high pressure, at this time, the gas with high temperature and high pressure is delivered into the condenser 11 through the first pipeline 14, then the gas with medium temperature and high pressure is obtained after the heat dissipation in the condenser 11, the gas with medium temperature and high pressure is changed into the liquid with low temperature and low pressure after the capillary tube throttling, the liquid with low temperature and low pressure is changed into the gas with low temperature and low, meanwhile, after water vapor in the sucked moist air is liquefied into water droplets by the evaporator 10, a user transfers the liquid in the evaporator 10 into the gas-liquid separator 121 through the gas-liquid separator 121, then transfers the liquid into the fourth pipeline 123 through the gas-liquid separator 121, and then drops the liquid droplets to the water collecting tank 122, and then the air blower 23 transfers the dried air out of the second case 2, and when the air blower 23 is operated, vibration is generated, and at this time, the air blower 23 drives the support frame 22 to move downward, and at this time, the second spring 173 is stressed, and at this time, the support frame 22 drives the movable rod 171 to move inward through the first fixed block, so as to extrude the first spring 172, and rebound through the elasticity of the first spring 172 and the second spring 173, so that the air blower 22 is damped, and the air blower 23 is damped.

1. the utility model discloses a cooperation of suction mechanism 3, filtering mechanism 7 and air-blower 23, the user drives suction head 34 through air pump 31 and conveys indoor humid air to filter tank 8 via breather pipe 32, at this moment, the gas is under the drainage effect of air-blower 23, through filter 71, filter screen 72 and the filtration and absorption of active carbon adsorption plate 73, convey to first case 1 via through-hole 9 in, the convenient to use person filters the impurity in the humid air, active carbon adsorption plate 73 adsorbs the air and removes the peculiar smell simultaneously, the filtration effect of equipment has been increased, through the cooperation of water-collecting mechanism 12, the user passes through vapour and liquid separator 121 and conveys the liquid in evaporimeter 10 to vapour and liquid separator 121 via third pipeline 124, convey to fourth pipeline 123 via vapour and liquid separator 121 afterwards, fall to header tank 122 afterwards, the convenient to use person in time collects the liquid in evaporimeter 10, cooperation through damper 17, air-blower 23 can shake when moving and produce, air-blower 23 drives support frame 22 downstream this moment, second spring 173 atress this moment, support frame 22 drives movable rod 171 through first fixed block and begins to remove to the inboard this moment, and extrude first spring 172, elasticity through first spring 172 and second spring 173 is kick-backed, convenient to use person carries out the shock attenuation to support frame 22, thereby carry out the shock attenuation to air-blower 23, the stability of air-blower 23 has been increased, it is poor to have solved traditional low temperature refrigeration dehumidification unit filter effect, poor and can't carry out the problem of in time collecting to the liquid in the evaporimeter to the shock attenuation effect of air-blower

2. The utility model discloses a filter 71, filter screen 72 and active carbon adsorption plate 73's cooperation, convenient to use person filters the impurity in the humid air, prevent that impurity from damaging the equipment in the first case 1, through the cooperation of vapour and liquid separator 121, header tank 122, third pipeline 124 and fourth pipeline 123, convenient to use person collects the liquid in evaporimeter 10, through the cooperation of air pump 31, breather pipe 32, breathing pipe 33 and suction head 34, convenient to use person absorbs indoor humid air, the work efficiency of equipment has been accelerated, through the cooperation of movable rod 171, the cooperation of first spring 172 and second spring 173, convenient to use person carries out the shock attenuation to air-blower 23, the stability of air-blower 23 has been increased, through the cooperation of first spout 18 and first slider 19, convenient to use person is spacing to the second fixed block, assist the second fixed block to carry out the fast moving simultaneously, through the cooperation of through-hole 9, convenient to use person takes out the humid gas in with rose box 8 and separates, and through the cooperation of second slider 20 and second spout 21, convenient to use person carries on spacingly to support frame 22, prevents that support frame 22 from taking place the slope at the removal in-process, has increased support frame 22's stability, has increased air-blower 23's stability simultaneously.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a low temperature refrigeration dehumidification unit, includes first quick-witted case (1), its characterized in that: first quick-witted case (1) inner chamber both sides from last to lower all fixedly connected with first backup pad (4), second backup pad (5) and third backup pad (6) in proper order, left side fixedly connected with rose box (8) at second backup pad (5) top, the inner chamber of rose box (8) is provided with filtering mechanism (7), the left side at first quick-witted case (1) top is provided with suction mechanism (3), both sides that second backup pad (5) top center was located all fixedly connected with evaporimeter (10) and condenser (11) in proper order from a left side to the right side, the left side of second backup pad (5) bottom is provided with water-collecting mechanism (12), the right side fixedly connected with compressor (15) at third backup pad (6) top, the left side intercommunication of compressor (15) has first pipeline (14), first pipeline (14) keep away from the one end of compressor (15) and run through second backup pad (5) and with the right side at condenser (11) top The compressor is characterized in that a second pipeline (16) is communicated with the center of the top of the compressor (15), one end, far away from the compressor (15), of the second pipeline (16) penetrates through a second supporting plate (5) and a first supporting plate (4) and is communicated with the right side of the top of the evaporator (10), a second case (2) is fixedly connected to the right side of the first case (1), a filling block (13) is fixedly connected to the bottom of the inner cavity of the second case (2), a damping mechanism (17) is arranged at the top of the filling block (13), a supporting frame (22) is fixedly connected to the top of the damping mechanism (17), the right side of the supporting frame (22) is slidably connected with the right side of the inner cavity of the second case (2), an air blower (23) is fixedly connected to the inner cavity of the supporting frame (22), a through groove is formed in the right side of the top of the inner cavity of the first case (1), and an air suction opening, the air outlet of the blower (23) penetrates through the second case (2) and extends upwards.

2. The low-temperature freezing and dehumidifying unit according to claim 1, wherein the filtering mechanism (7) comprises a filtering plate (71), a filtering screen plate (72) and an activated carbon adsorption plate (73), the filtering plate (71), the filtering screen plate (72) and the activated carbon adsorption plate (73) are sequentially embedded in the top and the bottom of the inner cavity of the filtering box (8) from left to right, and the insides of the bottoms of the evaporator (10) and the condenser (11) are communicated through a capillary tube.

3. The low-temperature freezing and dehumidifying unit according to claim 1, wherein the water collecting mechanism (12) comprises a gas-liquid separator (121), a water collecting tank (122), a third pipeline (124) and a fourth pipeline (123), the gas-liquid separator (121) is fixedly connected to the left side of the top of the third support plate (6), the third pipeline (124) is communicated with the center of the top of the gas-liquid separator (121), one end, far away from the gas-liquid separator (121), of the third pipeline (124) penetrates through the second support plate (5) and is communicated with the left side of the bottom of the evaporator (10), the fourth pipeline (123) is communicated with the left side of the bottom of the gas-liquid separator (121), and one end, far away from the gas-liquid separator (121), of the fourth pipeline (123) penetrates through the third support plate (6) and is communicated with the center of the top of the water collecting tank (122).

4. The cryogenic refrigeration dehumidification unit according to claim 1, wherein the air suction mechanism (3) comprises an air pump (31), an air pipe (32), an air suction pipe (33) and a suction head (34), the air pump (31) is fixedly connected to the left side of the top of the first cabinet (1) through a bump, the air pipe (32) is communicated with the right end of the air pump (31), the right end of the air pipe (32) penetrates through an inner cavity of the filter box (8), the air suction pipe (33) is communicated with the left end of the air pump (31), and the suction head (34) is communicated with the left end of the air suction pipe (33).

5. The low-temperature freezing and dehumidifying unit according to claim 1, wherein the damping mechanism (17) comprises a movable rod (171), a first spring (172) and a second spring (173), the first fixed block is fixedly connected to both sides of the bottom of the support frame (22), the movable rod (171) is movably connected to the bottom of the first fixed block through a movable shaft, the second fixed block is movably connected to the bottom of the movable rod (171) through a movable shaft, the first spring (172) is fixedly connected to the inner side of the second fixed block, the second spring (173) is fixedly connected to the bottom of both sides of the support frame (22), and the bottom of the second spring (173) is fixedly connected to the top of the filling block (13).

6. The low-temperature freezing and dehumidifying unit according to claim 1, wherein a first sliding groove (18) is formed in the center of the top of the filling block (13), an inner cavity of the first sliding groove (18) is sequentially connected with a first sliding block (19) in a sliding manner from left to right, the top of the first sliding block (19) penetrates through the inner cavity of the first sliding groove (18) and is fixedly connected with the bottom of a second fixed block, and through holes (9) are sequentially formed in the right side of the inner cavity of the filter box (8) from top to bottom.

7. The low-temperature refrigerating and dehumidifying unit according to claim 1, wherein a second sliding groove (21) is formed in the right side of the top of the inner cavity of the second cabinet (2), a second sliding block (20) is slidably connected to the inner cavity of the second sliding groove (21), and the left side of the second sliding block (20) penetrates through the inner cavity of the second sliding groove (21) and is fixedly connected with the right side of the support frame (22).