CN211204611U

CN211204611U - Defrosting-free air cooler

Info

Publication number: CN211204611U
Application number: CN201922274620.5U
Authority: CN
Inventors: 魏增彦; 于永江; 夏青山
Original assignee: Yantai Shengxuan Refrigeration Equipment Co ltd
Current assignee: Yantai Shengxuan Refrigeration Equipment Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-07
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a refrigeration technology field discloses an air-cooler of defrosting pattern exempts from, which comprises a bod, axial fan is installed to the one end of organism, and the other end fixedly connected with mounting bracket of organism, the lower extreme of the inside of organism runs through and installs the evaporating chamber, and the inboard upper and lower extreme that is close to the evaporating chamber of organism installs defrosting mechanism, the tube sheet is all installed to the lower extreme of the front and back side of organism. The utility model discloses a motor drives the subassembly that defrosts and operates together with lower defrosting subassembly simultaneously, and then make defrosting brush subassembly carry out the defrosting operation to the surface of fin simultaneously, the high frequency vibration board of defrosting brush subassembly extrudees the spring post at the in-process of level seesaw, the shake takes place after the spring post pressurized, and then drive the high frequency vibration board, protruding strip and nylon brush are when the horizontal motion, do high frequency vibration simultaneously together, and then the effect of defrosting has been improved, simultaneously through axial fan's reversal, can accelerate frost drop, realize defrosting operation high-efficiently.

Description

Defrosting-free air cooler

Technical Field

The utility model relates to a refrigeration technology field specifically is an air-cooler of defrosting pattern exempts from.

Background

The refrigeration industry is applied to various fields and is closely related to the life of people. In the refrigeration industry, the air cooler type evaporator is widely applied to a refrigeration tail end because the refrigeration is quick and efficient; because the fins of the air cooler are easy to be full of frost in the using process, the heat exchange efficiency is seriously influenced, and the operation load of equipment is increased, the air cooler has to defrost when running, and most of the existing defrosters are water defrosting, electric defrosting and hot gas defrosting.

The project investment in the early stage of water defrosting is large, a water pool, a water inlet pipeline and a water outlet pipeline need to be reserved, the pipeline heat preservation needs to be done, the defrosting time, the water dripping time and the like need to be strictly controlled, a set of P L C program needs to be equipped, the warehouse body is easy to generate hot air, the temperature fluctuation in the refrigeration warehouse is large, the top of the refrigeration warehouse is easy to be fully hung with icicles due to a large amount of hot air, the service life of the warehouse body, particularly the quality of products in the refrigeration warehouse is affected, the defrosting time cannot be well matched with the warehousing time, the quality of the products is affected, most of the water defrosting is in a later air inlet mode, and certain requirements on space are needed;

the electric defrosting needs to be reserved in a water inlet pipeline and a water outlet pipeline, the pipelines need to be insulated, the cold storage is easy to generate hot air, the temperature fluctuation in the cold storage is large, the ice columns are easy to be hung at the top of the cold storage due to a large amount of hot air, the service life of the cold storage, particularly the quality of products in the cold storage is affected, the defrosting time, the dripping time and the like need to be strictly controlled, a set of P L C program needs to be equipped, the defrosting cutting power is large, the energy consumption is large, the temperature is high, the fin heel tube is in high-temperature and low-temperature conversion, and the service life of equipment is greatly reduced;

the hot gas defrosting is retained in a water inlet pipeline and a water outlet pipeline and needs to be subjected to pipeline heat preservation, a front-stage refrigeration pipeline is complex, the investment cost is high, the warehouse body is easy to generate hot gas, the temperature fluctuation in the warehouse is large, a large amount of hot gas is easy to enable the top in the warehouse to be full of icicles, the service life of the warehouse body, particularly the quality of products in the warehouse is affected, the defrosting time and the dripping time are strictly controlled, the operation is extremely complex, a set of P L C program is required to be equipped, professional personnel are required to operate more, accidents are easy to cause due to improper operation, the hot gas defrosting temperature is high, the fin follow-up tube is in high-temperature and low-temperature conversion, the service life of the products is greatly reduced, the defrosting time cannot be well matched with the warehousing time, the quality of the products is affected, most of hot gas defrosting is in a rear air intake mode, and certain requirements on the space are required.

Disclosure of Invention

An object of the utility model is to provide an air-cooler of defrosting pattern exempts from to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an axial flow fan is mounted at one end of the machine body, a mounting frame is fixedly connected to the other end of the machine body, an evaporation chamber is mounted at the lower end of the interior of the machine body in a penetrating mode, a defrosting mechanism is mounted at the upper end and the lower end, close to the evaporation chamber, of the inner side of the machine body, tube plates are mounted at the lower ends of the front side and the rear side of the machine body, and an access door is mounted at the upper end of the front side of the machine body;

the evaporating chamber includes the fin, the upper end of the inboard of fin is run through and is provided with a plurality of liquid distribution pipes, and the lower extreme of the inboard of fin runs through and is provided with a plurality of gas distribution pipes, a plurality of the common fixedly connected with of front end of liquid distribution pipe divides the liquid head, divide the top fixedly connected with feed pipe of liquid head, a plurality of the common fixedly connected with muffler of front end of gas distribution pipe.

As a further aspect of the present invention: the defrosting mechanism comprises a motor, the output end of the motor is respectively fixedly connected with a lower belt pulley group and an upper belt pulley group positioned on the front side of the lower belt pulley group, the front end of the inner side of the upper belt pulley group is fixedly connected with an upper defrosting assembly, the front end of the inner side of the lower belt pulley group is fixedly connected with a lower defrosting assembly, and the motor is fixed at the lower end of the outer side of the machine body.

As a further aspect of the present invention: go up the defrosting subassembly and include initiative lead screw and the driven lead screw parallel with the initiative lead screw, the lead screw mount that contains the bearing has all been cup jointed jointly to the front and back end in the outside of initiative lead screw and driven lead screw, and the outside of initiative lead screw and driven lead screw is located and is connected with the lead screw nut pair jointly between two lead screw mounts, the bottom fixedly connected with defrosting brush subassembly of lead screw nut pair.

As a further aspect of the present invention: the lower defrosting assembly is identical to the upper defrosting assembly in structure, the lower defrosting assembly corresponds to the upper defrosting assembly in the vertical direction, and the lower defrosting assembly is located at the bottom end of the fin. The upper defrosting assembly is located at the top end of the fin.

As a further aspect of the present invention: the rear end of the driving lead screw is fixedly embedded into the inner side of the upper belt pulley group through a connecting key, the two ends of the lead screw fixing frame are fixed on the inner side wall of the machine body through screws, and the bottom end of the defrosting brush assembly is in contact with the top ends of the fins.

As a further aspect of the present invention: the defrosting brush assembly comprises a high-frequency vibrating plate, the inner side of the upper end of the high-frequency vibrating plate is provided with a strip-shaped groove, the two sides of the bottom end of the high-frequency vibrating plate are provided with spring columns, a protruding strip is embedded into the top end of the high-frequency vibrating plate, and the top end of the protruding strip is fixedly connected with a nylon brush.

As a further aspect of the present invention: the protruding strip is connected with the high-frequency vibrating plate in a sliding mode through the strip-shaped groove, and the protruding strip is an elastic component made of plastic materials.

As a further aspect of the present invention: the top end of the spring column is fixedly connected with the bottom end of the high-frequency vibrating plate through a screw, and the bottom end of the spring column is also fixed at the bottom end of the screw-nut pair through a screw.

As a further aspect of the present invention: the rear ends of the liquid distribution pipes are fixedly connected with the rear ends of the corresponding gas distribution pipes respectively, and the liquid distribution pipes and the gas distribution pipes penetrate through the inner sides of the tube plates respectively.

As a further aspect of the present invention: the mounting bracket comprises a vertical hoisting support, the lower end of the outer side of the vertical hoisting support is fixedly connected with a fixed support through a screw, the upper end of the inner side of the vertical hoisting support is also fixedly connected with a transverse hoisting support through a screw, and the fixed support is also fixedly connected with the lower end of the outer side of the machine body through a screw.

Compared with the prior art, the beneficial effects of the utility model are that:

the motor drives the upper defrosting component and the lower defrosting component to operate together, so that the defrosting brush component simultaneously carries out defrosting operation on the surfaces of the fins, the high-frequency vibration plate of the defrosting brush component extrudes the spring column in the process of horizontal back-and-forth movement, the spring column shakes after being pressed, and then the high-frequency vibration plate, the protruding strips and the nylon brush are driven to simultaneously carry out high-frequency vibration together when horizontally moving, so that the defrosting effect is improved, meanwhile, the falling of frost can be accelerated through the reverse rotation of the axial flow fan, the efficient defrosting operation is realized, the defrosting brush can be directly mounted on a wall, the space utilization rate of a cold storage is improved, a water pool, a water supply pipeline, a water drainage pipeline and heat preservation and icing of the water pipeline are not required to be installed in advance, the interval time for defrosting is not required, the temperature of the cold storage can be continuously reduced, the freezing speed is improved, the energy consumption is reduced to very big degree, and equipment can not be in the low temperature scope fluctuation of high temperature, increases the service life of equipment, reduces later stage equipment maintenance.

Drawings

FIG. 1 is a schematic structural view of an defrosting-free style air cooler;

FIG. 2 is a schematic diagram of the defrosting mechanism and the evaporator chamber of an defrosting-free air cooler;

FIG. 3 is a schematic diagram of the structure of the evaporation chamber of an defrosting-free air cooler;

FIG. 4 is a schematic diagram of a defrosting mechanism in an defrosting-free style air cooler;

FIG. 5 is a schematic view of the upper defrost assembly in an defrosting free version of the air cooler;

FIG. 6 is a partially exploded view of a defrost brush assembly in an defrosting air cooler in an defrosting mode;

fig. 7 is an exploded view of a mounting bracket of an defrosting-free air cooler.

In the figure: 1. a body; 2. an axial flow fan; 3. a defrosting mechanism; 31. a motor; 32. an upper pulley block; 33. a lower pulley set; 34. a lower defrost assembly; 35. an upper defrost assembly; 351. an active lead screw; 352. a driven lead screw; 353. a screw-nut pair; 354. a defrost brush assembly; 3541. a nylon brush; 3542. a raised strip; 3543. a high-frequency vibrating plate; 3544. a spring post; 355. a lead screw fixing frame; 4. an evaporation chamber; 41. a fin; 42. a liquid supply tube; 43. a liquid separating pipe; 44. an air return pipe; 45. a liquid separation head; 46. a gas distributing pipe; 5. a tube sheet; 6. an access door; 7. a mounting frame; 71. a vertical hoisting support; 72. transversely hoisting the bracket; 73. and fixing the bracket.

Detailed Description

Referring to fig. 1 to 7, in an embodiment of the present invention, an air cooler without defrosting includes a body 1, an axial flow fan 2 is installed at one end of the body 1, an installation frame 7 is fixedly connected to the other end of the body 1, an evaporation chamber 4 is installed at a lower end inside the body 1 in a penetrating manner, a defrosting mechanism 3 is installed at an upper end and a lower end of the inner side of the body 1 close to the evaporation chamber 4, tube plates 5 are installed at lower ends of front and rear sides of the body 1, and an access door 6 is installed at an upper end of a front side of the body 1;

the evaporation chamber 4 comprises a fin 41, a plurality of liquid distributing pipes 43 are arranged at the upper end of the inner side of the fin 41 in a penetrating manner, a plurality of gas distributing pipes 46 are arranged at the lower end of the inner side of the fin 41 in a penetrating manner, a liquid distributing head 45 is fixedly connected to the front ends of the liquid distributing pipes 43 together, a liquid supply pipe 42 is fixedly connected to the top end of the liquid distributing head 45, and a gas return pipe 44 is fixedly connected to the front ends of the gas distributing pipes 46 together.

In fig. 3: defrosting mechanism 3 includes motor 31, belt pulley group 33 and the last belt pulley group 32 that is located belt pulley group 33 front side down are down fixedly connected with respectively to the output of motor 31, the front end fixedly connected with of the inboard of last belt pulley group 32 goes up defrosting subassembly 35, the front end fixedly connected with of the inboard of lower belt pulley group 33 is defrosting subassembly 34 down, the lower extreme in the outside at organism 1 is fixed to motor 31, thereby can drive defrosting subassembly 35 and lower defrosting subassembly 34 and move together through motor 31 simultaneously, the synchronization of the upper and lower surface defrosting of realization fin 41.

In fig. 5: go up defrosting subassembly 35 and include initiative lead screw 351 and the driven lead screw 352 that is parallel with initiative lead screw 351, the lead screw mount 355 that contains the bearing has all been cup jointed jointly to the front and back end in the outside of initiative lead screw 351 and driven lead screw 352, the outside of initiative lead screw 351 and driven lead screw 352 is located and is connected with screw nut pair 353 between two screw mount 355 jointly, the bottom fixedly connected with defrosting brush subassembly 354 of screw nut pair 353, and then can make screw nut pair 353 and defrosting brush subassembly 354 make horizontal fore-and-aft movement along initiative lead screw 351 and driven lead screw 352 together.

In fig. 3 and 4: the lower defrost assembly 34 has the same structure as the upper defrost assembly 35, the lower defrost assembly 34 corresponds to the upper defrost assembly 35 in the vertical direction, and the lower defrost assembly 34 is located at the bottom end of the fins 41. The upper defrosting module 35 is located at the top end of the fin 41, and thus the upper and lower surfaces of the fin 41 can be defrosted by the upper defrosting module 35 and the lower defrosting module 34, respectively.

In fig. 4 and 5: the rear end of the driving screw 351 is fixedly embedded in the inner side of the upper belt pulley set 32 through a connecting key, the two ends of the screw fixing frame 355 are fixed on the inner side wall of the machine body 1 through screws, and the bottom end of the defrosting brush component 354 is in contact with the top end of the fin 41, so that the driving screw 351 can be driven to rotate on the inner side of the screw fixing frame 355 through the upper belt pulley set 32, and the defrosting brush component 354 and the screw nut pair 353 can move horizontally together.

In fig. 6: the defrosting brush module 354 includes a high frequency vibration plate 3543 having a strip-shaped groove formed on the inner side of the upper end thereof, spring posts 3544 are disposed on both sides of the bottom end of the high frequency vibration plate 3543, a protruding strip 3542 is embedded into the top end of the high frequency vibration plate 3543, and a nylon brush 3541 is fixedly connected to the top end of the protruding strip 3542, so that the surface of the fin 41 can be defrosted through the nylon brush 3541.

In fig. 6: the protruding strip 3542 and the high-frequency vibration plate 3543 are connected through the strip-shaped groove in a sliding mode, and the protruding strip 3542 is a component made of elastic plastic materials, so that the nylon brush 3541 can be conveniently mounted and dismounted, and the nylon brush 3541 can be conveniently cleaned and replaced.

In fig. 5 and 6: the top end of the spring column 3544 is fixedly connected with the bottom end of the high-frequency vibration plate 3543 through a screw, the bottom end of the spring column 3544 is also fixed at the bottom end of the screw nut pair 353 through a screw, so that the high-frequency vibration plate 3543 of the defrosting brush assembly 354 is fixed with the screw nut pair 353 through the spring column 3544, the spring column 3544 is pressed to shake in the horizontal back-and-forth movement process, and the high-frequency vibration plate 3543, the protruding strips 3542 and the nylon brushes 3541 are driven to vibrate in a high-frequency mode simultaneously in a horizontal movement process, and the upper surface of the fin 41 can be defrosted.

In fig. 3: the rear ends of the liquid distribution pipes 43 are fixedly connected with the rear ends of the corresponding gas distribution pipes 46, the liquid distribution pipes 43 and the gas distribution pipes 46 penetrate through the inner sides of the tube plates 5, so that liquid entering the liquid supply pipe 42, the liquid distribution head 45 and the liquid distribution pipes 43 is boiled and vaporized, gas and liquid in the fins 41 are completely separated, heat exchange is carried out between the air in the fins 41 and the outside air, the vaporization and heat absorption are achieved, the refrigerating effect is achieved, and the gas flows into the heating chamber from the gas distribution pipes 46 and the gas return pipes 44 in sequence.

In fig. 7: the mounting frame 7 comprises a vertical hoisting support 71, the lower end of the outer side of the vertical hoisting support 71 is fixedly connected with a fixed support 73 through a screw, the upper end of the inner side of the vertical hoisting support 71 is also fixedly connected with a transverse hoisting support 72 through a screw, and the fixed support 73 is also fixedly connected with the lower end of the outer side of the machine body 1 through a screw and can be directly connected; according to the actual conditions of site buildings, the horizontal hoisting support 72 can be detached, the vertical hoisting support 71 is directly installed on the side surface of the wall, the horizontal hoisting support 72 can also be installed, the horizontal hoisting support 72 is installed on the top of the wall, and the practicability of the fan is improved.

The utility model discloses a theory of operation: before the air cooler is used, firstly, a liquid supply pipe 42 and an air return pipe 44 of an evaporation chamber 4 are fixedly connected with an external heating chamber to form a circulating loop, the heating chamber provides heat required by evaporation for liquid, so that the liquid entering the liquid supply pipe 42, a liquid separation head 45 and a liquid separation pipe 43 is boiled and vaporized, the gas phase and the liquid phase in a fin 41 are completely separated, heat exchange is carried out with external air through the fin 41, the vaporization absorbs heat, the refrigerating effect is achieved, the gas flows into the heating chamber from the air distribution pipe 46 and the air return pipe 44 in sequence, when frost is formed on the surface of the fin 41 in the heat exchange process, a motor 31 is started, the motor 31 simultaneously drives an upper belt pulley set 32 and a lower belt pulley set 33 to rotate, the upper belt pulley set 32 and the lower belt pulley set 33 respectively drive an upper defrosting assembly 35 and a lower defrosting assembly 34 to operate, wherein the upper belt pulley set 32 drives a driving lead screw to rotate by taking a bearing in a lead screw fixing frame 355 as the, the driving screw 351 drives the screw nut pair 353 to horizontally move back and forth along the driving screw 351, the screw nut pair 353 is connected between the two screw fixing frames 355 at the outer sides of the driving screw 351 and the driven screw 352, the driven screw 352 also rotates by taking a bearing in the screw fixing frames 355 as a circle center, so that the defrosting brush assembly 354 and the screw nut pair 353 horizontally move together, the defrosting brush assembly 354 horizontally moves back and forth on the upper surface of the fin 41, the spring column 3544 is pressed and shaken in the horizontal back and forth movement process of the high-frequency vibrating plate 3543 of the defrosting brush assembly 354 due to the uneven surface of the fin 41, the spring column 3544 is pressed and then driven to vibrate together at high frequency when the high-frequency vibrating plate 3543, the protruding strip 3542 and the nylon brush 3541 horizontally move, and the upper surface of the fin 41 can be defrosted, similarly, the lower surface of the fin 41 is defrosted by the lower defrosting assembly 34, and at this time, the axial flow fan 2 is turned on again, so that the axial flow fan 2 is turned reversely, the frost drops, and efficient defrosting operation is realized.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. An air cooler free of defrosting is composed of a machine body (1) and is characterized in that an axial flow fan (2) is installed at one end of the machine body (1), a mounting frame (7) is fixedly connected to the other end of the machine body (1), an evaporation chamber (4) is installed at the lower end of the interior of the machine body (1) in a penetrating mode, defrosting mechanisms (3) are installed at the upper end and the lower end, close to the evaporation chamber (4), of the inner side of the machine body (1), tube plates (5) are installed at the lower ends of the front side and the rear side of the machine body (1), and an access door (6) is installed at the upper end of the front side of the;

evaporating chamber (4) includes fin (41), the upper end of the inboard of fin (41) is run through and is provided with a plurality of roots and divides liquid pipe (43), and the lower extreme of the inboard of fin (41) runs through and is provided with a plurality of roots and divides trachea (46), a plurality of the common fixedly connected with in front end of dividing liquid pipe (43) divides liquid head (45), divide the top fixedly connected with feed tube (42) of liquid head (45), a plurality of the common fixedly connected with muffler (44) in front end of gas distribution pipe (46).

2. The defrosting-free type air cooler according to claim 1, wherein the defrosting mechanism (3) comprises a motor (31), the output end of the motor (31) is fixedly connected with a lower belt pulley set (33) and an upper belt pulley set (32) located at the front side of the lower belt pulley set (33), the front end of the inner side of the upper belt pulley set (32) is fixedly connected with an upper defrosting assembly (35), the front end of the inner side of the lower belt pulley set (33) is fixedly connected with a lower defrosting assembly (34), and the motor (31) is fixed at the lower end of the outer side of the machine body (1).

3. The defrosting-free air cooler according to claim 2, wherein the upper defrosting assembly (35) comprises a driving lead screw (351) and a driven lead screw (352) parallel to the driving lead screw (351), the front end and the rear end of the outer sides of the driving lead screw (351) and the driven lead screw (352) are both sleeved with a lead screw fixing frame (355) with a bearing, the outer sides of the driving lead screw (351) and the driven lead screw (352) are located between the two lead screw fixing frames (355) and are connected with a lead screw nut pair (353) in a sleeved mode, and the bottom end of the lead screw nut pair (353) is fixedly connected with a defrosting brush assembly (354).

4. An air cooler in a defrost-free version according to claim 2, characterized in that the lower defrost assembly (34) is structurally identical to the upper defrost assembly (35) and the lower defrost assembly (34) corresponds to the upper defrost assembly (35) in the vertical direction, the lower defrost assembly (34) being located at the bottom end of the fins (41) and the upper defrost assembly (35) being located at the top end of the fins (41).

5. The defrosting-free type air cooler according to claim 3, wherein the rear end of the driving screw rod (351) is fixedly embedded inside the upper pulley block (32) through a connecting key, the two ends of the screw rod fixing frame (355) are fixed on the inner side wall of the machine body (1) through screws, and the bottom end of the defrosting brush component (354) is in contact with the top end of the fin (41).

6. The defrosting brush assembly (354) according to claim 3, wherein the defrosting brush assembly comprises a high frequency vibration plate (3543) with a strip-shaped groove formed on the inner side of the upper end, spring posts (3544) are arranged on both sides of the bottom end of the high frequency vibration plate (3543), a protruding strip (3542) is embedded in the top end of the high frequency vibration plate (3543), and a nylon brush (3541) is fixedly connected to the top end of the protruding strip (3542).

7. The defrosting mode-free air cooler according to claim 6, wherein the projection bar (3542) is slidably connected to the high frequency vibration plate (3543) by a bar-shaped groove, and the projection bar (3542) is a member made of elastic plastic material.

8. The defrosting-free type air cooler according to claim 6, wherein the top end of the spring post (3544) is fixedly connected with the bottom end of the high-frequency vibrating plate (3543) through a screw, and the bottom end of the spring post (3544) is also fixed at the bottom end of the lead screw nut pair (353) through a screw.

9. An air-cooler in a frost free manner according to claim 1, characterized in that the rear ends of the liquid distribution pipes (43) are fixedly connected to the rear ends of the corresponding air distribution pipes (46), respectively, and the liquid distribution pipes (43) and the air distribution pipes (46) penetrate through the inner side of the tube sheet (5), respectively.

10. The defrosting-free type air cooler according to claim 1, characterized in that the mounting frame (7) comprises a vertical hoisting support (71), the lower end of the outer side of the vertical hoisting support (71) is fixedly connected with a fixing support (73) through screws, the upper end of the inner side of the vertical hoisting support (71) is also fixedly connected with a transverse hoisting support (72) through screws, and the fixing support (73) is also fixedly connected with the lower end of the outer side of the machine body (1) through screws.