CN210486193U

CN210486193U - Air source heat pump scanning type hot air flow defrosting system

Info

Publication number: CN210486193U
Application number: CN201921035733.3U
Authority: CN
Inventors: 杨静; 丁兆磊
Original assignee: Shandong Institute of Commerce and Technology
Current assignee: Shandong Institute of Commerce and Technology
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-05-08
Anticipated expiration: 2029-07-04

Abstract

The utility model belongs to the technical field of the refrigerator car, especially, a scanning formula hot gas flow defrost system of air source heat pump, include the carriage and install the mounting panel on the carriage, fixed mounting has the condenser on the mounting panel, the output of condenser is connected with compressor, compressor's output is connected with the one end of evaporimeter, the evaporimeter is located the carriage, and the both ends of evaporimeter extend to outside the carriage respectively, fixed mounting has the heat recovery device on the mounting panel, the other end of evaporimeter runs through the heat recovery device and is connected with the input of condenser, be equipped with the choke valve that is located outside the carriage on the evaporimeter, fixed mounting has the air source heat pump on the mounting panel, the output of air source heat pump is connected with the pressure-tank, the output of pressure-tank is connected with the air current control valve. The utility model relates to a rationally, convenient operation, the frost layer to on the evaporimeter that can be quick even is got rid of.

Description

Air source heat pump scanning type hot air flow defrosting system

Technical Field

The utility model relates to a refrigerator car technical field especially relates to an air source heat pump scanning formula hot gas flow defrost system.

Background

The refrigerator car is a closed van type transport vehicle for transporting frozen or fresh goods, is a special refrigerator transport vehicle provided with a refrigerating device of a refrigerating unit and a polyurethane heat insulation compartment, and can be classified according to manufacturers, chassis bearing capacity and compartment types. Refrigerated vehicles are commonly used for transporting frozen foods (refrigerated vehicles), dairy products (dairy vehicles), vegetables and fruits (fresh goods vehicles), vaccine drugs (vaccine vehicles), and the like.

Most refrigerators (refrigeration coils) in the refrigeration system of the existing refrigerator car are arranged in a carriage, and the refrigerator car is refrigerated for a long time, so that a thick frost layer is easily condensed on the refrigerator, and the frost layer easily causes the refrigerator to be aged, thereby influencing the service life of the refrigerator.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a scanning hot air flow defrosting system of an air source heat pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an air source heat pump scanning type hot air flow defrosting system comprises a carriage and a mounting plate arranged on the carriage, wherein a condenser is fixedly arranged on the mounting plate, the output end of the condenser is connected with a refrigeration compressor, the output end of the refrigeration compressor is connected with one end of an evaporator, the evaporator is positioned in the carriage, the two ends of the evaporator respectively extend out of the carriage, a heat recoverer is fixedly arranged on the mounting plate, the other end of the evaporator penetrates through the heat recoverer and is connected with the input end of the condenser, a throttling valve positioned outside the carriage is arranged on the evaporator, an air source heat pump is fixedly arranged on the mounting plate, the output end of the air source heat pump is connected with a high-pressure tank, the output end of the high-pressure tank is connected with an air flow control valve, the output end of the air flow control valve is connected with one end of a metal, the other end of hose is connected with the even cloth tuber pipe that both sides are sealed, and the fixed cover in the outside of even cloth tuber pipe is equipped with the fixed block, and threaded mounting has the lead screw on the fixed block, and the both ends of lead screw rotate with the both sides inner wall in carriage respectively to be connected, and the fixed cover in the outside of lead screw is equipped with first gear, and fixed mounting has the motor on one side inner wall in carriage, and fixed cover is equipped with the second gear that meshes mutually with first gear on the output shaft of motor.

Preferably, the evaporator is positioned on one side of the uniform air distribution pipe, which is far away from the inner wall of the top of the carriage, and the uniform air distribution pipe is matched with the evaporator.

Preferably, a plurality of air outlets which are linearly distributed are formed in the uniform air distribution pipe, and the air outlets are matched with the evaporator.

Preferably, the inner walls of the two sides of the carriage are provided with sliding grooves, the two ends of the air distribution pipes are fixedly provided with sliding blocks, and the sliding blocks are connected with the inner walls of the corresponding sliding grooves in a sliding mode.

Preferably, the ball is nested on one side, away from each other, of each of the two sliding blocks, and the ball is in contact with the inner wall of the corresponding sliding groove.

Preferably, all seted up on the both sides inner wall in carriage and rotated the groove, the both ends of lead screw extend to corresponding rotation inslot respectively and rotate with the inner wall in corresponding rotation groove and be connected.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a carriage, a mounting plate, a condenser, a refrigeration compressor, an evaporator, a throttle valve, a heat recoverer, an air source heat pump, a high-pressure tank, an airflow control valve, a hose, an even air distribution pipe, a fixed block, a lead screw, a first gear, a motor and a second gear, when an air source heat pump normally heats, a defrosting system does not operate, when a frost layer on the evaporator reaches a certain thickness and needs defrosting, the airflow control valve is opened, air stored in the high-pressure tank rapidly flows out and is rapidly heated when passing through the heat recoverer, the heated air enters the even air distribution pipe through the hose, the hot air is uniformly distributed to each air outlet, the high-speed hot air blows through the evaporator to rapidly melt the frost layer on the evaporator, the motor is started, the motor drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the lead screw to rotate, the lead screw drives the fixed block motion, and the fixed block drives even cloth tuber pipe and moves forward at the uniform velocity along the lead screw, can be quick with the whole removals of frost layer on the whole evaporimeter, the utility model relates to a rationally, convenient operation, the frost layer to on the evaporimeter that can be quick even is got rid of.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

in the figure: 1. a carriage; 2. mounting a plate; 3. a condenser; 4. a refrigeration compressor; 5. an evaporator; 6. a throttle valve; 7. a heat recovery device; 8. an air source heat pump; 9. a high-pressure tank; 10. an airflow control valve; 11. a hose; 12. uniformly distributing air pipes; 13. a fixed block; 14. a lead screw; 15. a first gear; 16. a motor; 17. a second gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: an air source heat pump scanning type hot air flow defrosting system comprises a carriage 1 and a mounting plate 2 mounted on the carriage 1, wherein a condenser 3 is fixedly mounted on the mounting plate 2, the output end of the condenser 3 is connected with a refrigeration compressor 4, the output end of the refrigeration compressor 4 is connected with one end of an evaporator 5, the evaporator 5 is positioned in the carriage 1, two ends of the evaporator 5 respectively extend out of the carriage 1, a heat recoverer 7 is fixedly mounted on the mounting plate 2, the other end of the evaporator 5 penetrates through the heat recoverer 7 and is connected with the input end of the condenser 3, a throttle valve 6 positioned outside the carriage 1 is arranged on the evaporator 5, an air source heat pump 8 is fixedly mounted on the mounting plate 2, the output end of the air source heat pump 8 is connected with a high-pressure tank 9, the output end of the high-pressure tank 9 is connected with an air flow control valve 10, the output end of the air flow control valve 10, the other end fixed mounting of tubular metal resonator has the one end of hose 11, the other end of hose 11 is connected with both sides and is the even cloth tuber pipe 12 that seals, the fixed cover in the outside of even cloth tuber pipe 12 is equipped with fixed block 13, screw 14 is installed to the last screw thread of fixed block 13, screw 14's both ends rotate with the both sides inner wall in carriage 1 respectively and are connected, the fixed cover in the outside of screw 14 is equipped with first gear 15, fixed mounting has motor 16 on the inner wall in one side of carriage 1, fixed cover is equipped with second gear 17 with first gear 15 engaged with on motor 16's the output shaft.

The evaporator 5 is positioned at one side of the uniformly distributed air pipe 12 far away from the inner wall of the top of the carriage 1, the uniformly distributed air pipe 12 is matched with the evaporator 5, a plurality of air outlet holes which are linearly distributed are formed in the uniformly distributed air pipe 12, the air outlet holes are matched with the evaporator 5, chutes are formed in the inner walls of the two sides of the carriage 1, sliders are fixedly mounted at the two ends of the uniformly distributed air pipe 12 and are in sliding connection with the inner walls of the corresponding chutes, balls are nested at one sides of the two sliders far away from each other and are in contact with the inner walls of the corresponding chutes, rotating grooves are formed in the inner walls of the two sides of the carriage 1, the two ends of each lead screw 14 extend into the corresponding rotating grooves and are in rotating connection with the inner walls of the corresponding rotating grooves, and the air source heat pump 8 passes through the carriage 1, the mounting plate 2, the condenser 3, the refrigeration compressor 4, The high-pressure tank 9, the airflow control valve 10, the hose 11, the uniform air distribution pipe 12, the fixed block 13, the lead screw 14, the first gear 15, the motor 16 and the second gear 17 are matched, when the air source heat pump 8 heats normally, the defrosting system does not operate, when the frost layer on the evaporator 5 reaches a certain thickness and needs defrosting, the airflow control valve 6 is opened, the air stored in the high-pressure tank 9 flows out rapidly and is heated rapidly when passing through the heat recoverer 7, the heated air enters the uniform air distribution pipe 12 through the hose, the hot air is uniformly distributed to each air outlet, the high-speed hot air blows through the evaporator 5 to melt the frost layer on the evaporator 5 rapidly, the motor 16 is started, the motor 16 drives the second gear 17 to rotate, the second gear 17 drives the first gear 15 to rotate, the first gear 15 drives the lead screw 14 to rotate, the lead screw 14 drives the fixed block 13 to move, the fixed block 13 drives the uniform air distribution pipe 12 to move forward at a uniform speed along the lead, the frost layer that will be on whole evaporimeter 5 that can be quick is whole to be detached, the utility model relates to a rationally, convenient operation, the frost layer to on the evaporimeter 5 that can be quick even is got rid of.

The working principle is as follows: when the air source heat pump 8 heats normally, the defrosting system does not operate, when the frost layer on the evaporator 5 reaches a certain thickness and needs defrosting, the airflow control valve 6 is opened, the air stored in the high-pressure tank 9 flows out rapidly and is heated rapidly when passing through the heat recoverer 7, the heated air enters the uniform air distribution pipe 12 through the hose, the hot air is uniformly distributed to each air outlet, the high-speed hot air blows through the evaporator 5 to melt the frost layer on the evaporator 5 rapidly, the motor 16 is started, the motor 16 drives the second gear 17 to rotate, the second gear 17 drives the first gear 15 to rotate, the first gear 15 drives the screw 14 to rotate, the screw 14 drives the fixed block 13 to move, the fixed block 13 drives the uniform air distribution pipe 12 to move forwards along the screw 14 at a constant speed, the whole frost layer on the evaporator 5 can be removed rapidly, wherein the high-pressure air in the high-pressure tank 9 comes from the air source heat pump 8, the heat recovery unit 7 collects and stores residual heat of the refrigerant flowing out of the condenser 3, and defrosting using the residual heat.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an air source heat pump scanning formula hot gas flow defrost system, includes carriage (1) and installs mounting panel (2) on carriage (1), its characterized in that: the condenser (3) is fixedly installed on the mounting plate (2), the output end of the condenser (3) is connected with the refrigeration compressor (4), the output end of the refrigeration compressor (4) is connected with one end of the evaporator (5), the evaporator (5) is located in the carriage (1), the two ends of the evaporator (5) respectively extend out of the carriage (1), the heat recoverer (7) is fixedly installed on the mounting plate (2), the other end of the evaporator (5) penetrates through the heat recoverer (7) and is connected with the input end of the condenser (3), the throttle valve (6) located outside the carriage (1) is arranged on the evaporator (5), the air source heat pump (8) is fixedly installed on the mounting plate (2), the output end of the air source heat pump (8) is connected with the high-pressure tank (9), the output end of the high-pressure tank (9) is connected with the air flow control valve (10), the output end of the air flow control, the other end of tubular metal resonator runs through heat recovery ware (7) and extends to in carriage (1), the other end fixed mounting of tubular metal resonator has the one end of hose (11), the other end of hose (11) is connected with both sides and is sealed even cloth tuber pipe (12), the outside fixed cover of even cloth tuber pipe (12) is equipped with fixed block (13), screw (14) are installed to screw thread on fixed block (13), the both ends of screw (14) rotate with the both sides inner wall of carriage (1) respectively and are connected, the outside fixed cover of screw (14) is equipped with first gear (15), fixed mounting has motor (16) on the one side inner wall of carriage (1), fixed cover is equipped with second gear (17) with first gear (15) engaged with on the output shaft of motor (16).

2. The air source heat pump scanning hot air flow defrosting system of claim 1, characterized in that: the evaporator (5) is positioned on one side, away from the inner wall of the top of the carriage (1), of the uniform air distribution pipe (12), and the uniform air distribution pipe (12) is matched with the evaporator (5).

3. The air source heat pump scanning hot air flow defrosting system of claim 1, characterized in that: a plurality of air outlet holes which are distributed linearly are arranged on the uniform air distribution pipe (12), and the air outlet holes are matched with the evaporator (5).

4. The air source heat pump scanning hot air flow defrosting system of claim 1, characterized in that: the inner walls of the two sides of the carriage (1) are provided with sliding grooves, the two ends of the air distribution pipes (12) are fixedly provided with sliding blocks, and the sliding blocks are connected with the corresponding sliding grooves in a sliding mode.

5. The air source heat pump scanning hot air flow defrosting system according to claim 4, characterized in that: the ball has all been nested in the one side that two sliders kept away from each other, and the ball contacts with the inner wall of corresponding spout.

6. The air source heat pump scanning hot air flow defrosting system of claim 1, characterized in that: the inner walls of the two sides of the carriage (1) are provided with rotating grooves, and the two ends of the lead screw (14) extend into the corresponding rotating grooves respectively and are connected with the inner walls of the corresponding rotating grooves in a rotating mode.