CN117989764A

CN117989764A - Defrosting device for air source heat pump

Info

Publication number: CN117989764A
Application number: CN202410200945.1A
Authority: CN
Inventors: 陈少军
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-02-23
Filing date: 2024-02-23
Publication date: 2024-05-07

Abstract

The invention discloses a defrosting device for an air source heat pump, and relates to the technical field of air source heat pumps; the invention comprises a pump body, wherein the inner wall of the pump body is provided with a defrosting mechanism, a spraying mechanism and a hammering mechanism are arranged in the pump body, and the top end of the pump body is provided with a winding mechanism; according to the invention, the spraying mechanism is arranged to assist in melting the frost by spraying the medicament on the outer sides of the fins and the condensing pipelines, so that ice cubes can be melted, then the frost on the condensing pipelines and the fins is taken out through the defrosting mechanism, meanwhile, the frost on the condensing pipelines and the fins is knocked down through the hammering mechanism, and the attached upper surface is avoided, so that the aim of improving defrosting efficiency is achieved.

Description

Defrosting device for air source heat pump

Technical Field

The invention relates to the technical field of air source heat pumps, in particular to a defrosting device for an air source heat pump.

Background

An air source heat pump is a heating and cooling system that uses air as a source of thermal energy. It is capable of achieving cooling by absorbing heat from the outdoor air and then transferring it to the indoor for heating or discharging the indoor heat to the outdoor, and an air source heat pump is generally composed of an indoor unit and an outdoor unit. The outdoor unit absorbs heat from the outdoor air by circulating the refrigerant, and then transmits the heat to the indoor unit, which then uses the heat for heating. In the refrigeration mode, the air source heat pump can reverse the working principle, the indoor heat is discharged outdoors, the refrigeration effect is realized, and frost can be formed on the condensation pipeline and the fins in the working process of the air source heat pump, so that the normal operation of equipment can be influenced;

the prior art generally takes out the frost manually, so that the efficiency is low, the removal of ice blocks in the pump body is inconvenient, and when the frost is accumulated for a certain time, ice blocks with certain hardness are generated, so that great trouble is caused to defrosting work, and the ice blocks are difficult to remove.

Disclosure of Invention

In order to solve the problems that defrosting efficiency is low, effect is poor and ice cubes are inconvenient to remove; the invention aims to provide a defrosting device for an air source heat pump.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an air source is defroster for heat pump, includes the pump body, install condensation pipeline and fin in the pump body, defrosting mechanism is installed to the pump body inner wall, defrosting mechanism includes scrapes the ring, scrape the ring and have a plurality of, scrape the equal activity of ring and insert and establish in the condensation pipeline outside, install spraying mechanism and hammering mechanism in the pump body, hammering mechanism is connected with defrosting mechanism, rolling mechanism is installed on the pump body top, rolling mechanism is connected with spraying mechanism.

Preferably, the defrosting mechanism comprises a reciprocating threaded rod, the reciprocating threaded rod rotates and installs in the pump body, reciprocating threaded rod outside movable sleeve is equipped with reciprocating slider, scrape ring outside movable sleeve and be equipped with the lantern ring, a plurality of fixed connection between the lantern ring, reciprocating slider and lantern ring fixed connection, one of them the fixed L template that is equipped with in lantern ring outside, L template internal rotation is equipped with a pivot, a pivot outside fixed sleeve is equipped with No. two gears, scrape ring outside fixed sleeve and be equipped with a gear, and No. one gear and No. two gear intermeshing, L template internal rotation is equipped with No. two pivots, no. two pivot outside fixed sleeve is equipped with No. three gears and No. two conical gears, no. one pivot outside fixed sleeve is equipped with No. one conical gear, and No. two conical gears intermeshing, no. three gears and pinion intermeshing, no. one motor output shaft tip alternates and establishes in the pump body and with reciprocal fixed connection, it is equipped with a reciprocal slider internal rotation, no. two pivot outside fixed sleeve is equipped with No. three gears and No. two conical gears intermeshing, no. one motor output shaft tip alternates, and is equipped with reciprocal rotating piece, and is equipped with reciprocal rotating blade, no. three reciprocating connecting plate, no. three side fixed blade is equipped with reciprocal rotating rod, no. three side blade sets up in the fixed connection.

Preferably, the spraying mechanism comprises a threaded rod, the threaded rods are two in total, the threaded rods are connected through a synchronous wheel and a synchronous belt in a transmission mode, a threaded slider is arranged on the outer side of the threaded rod in a sleeved mode, the threaded sliders are fixedly connected with an operation plate, a threaded rod is arranged in the rotation mode of the operation plate, a threaded slider is arranged on the outer side of the threaded rod in a sleeved mode, a spray head is arranged in the threaded slider in a mounted mode, a transmission rod is arranged in the pump body in a rotating mode, a transmission shaft is arranged on the outer side of the transmission rod in a movable mode in a sleeved mode, square bars which are symmetrically distributed are fixedly arranged on the outer side of the transmission rod, the square bars are movably inserted in the transmission shaft, the transmission shaft is connected with one of the threaded sliders in a rotating mode, a large conical gear is arranged on the outer side of the transmission shaft in a fixed mode, a rotating shaft is arranged on the top of the threaded slider in a rotating mode, a four-number-gear and a small conical gear are meshed with the large conical gear in a fixed mode, a crown gear is fixedly arranged on the top of the threaded rod, a crown gear is arranged in the threaded rod, a motor is arranged in the middle of the threaded rod, a motor is meshed mode of the crown gear is meshed with the large conical gear in the large conical gear, and the end portion of the threaded rod is fixedly arranged on the end portion of the pump body, and the end portion of the threaded rod is fixedly arranged in the pump.

Preferably, the hammering mechanism comprises a fourth rotating shaft, the reciprocating threaded rod is connected with the fourth rotating shaft through a synchronous wheel and a synchronous belt in a transmission manner, a disc is fixedly arranged on the outer side of the fourth rotating shaft, a mounting block is fixedly arranged on the top end of the disc, the hammering block is rotationally arranged on the top end of the mounting block, a fixing rod is fixedly arranged in the pump body, a fixing block is fixedly arranged on the outer side of the condensing pipeline, a torsion spring is connected between the hammering block and the mounting block, the winding mechanism comprises a winding roller, the winding roller is fixedly connected with the top surface of the pump body, an antifreezing pipe is movably wound on the outer side of the winding roller, the end part of the antifreezing pipe is fixedly connected with a spray head, a box body is arranged on the top end of the pump body, a water pump is arranged on the outer side of the box body in a penetrating manner, and the input end of the water pump is fixedly connected with the antifreezing pipe.

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

1. according to the invention, the spraying mechanism is arranged to spray the medicament on the outer sides of the fins and the condensing pipelines to assist in melting ice, so that ice cubes can be melted, then the frost on the condensing pipelines and the fins is taken out through the defrosting mechanism, and meanwhile, the frost on the condensing pipelines and the fins is knocked down through the hammering mechanism, so that the attached upper surface is avoided, and the aim of improving defrosting efficiency is achieved;

2. According to the invention, the scraping ring, the lantern ring, the first gear, the second gear, the third gear, the toothed plate, the reciprocating threaded rod, the reciprocating sliding block and other structures are mutually matched, so that the scraping ring can be driven to move and rotate, the frost on the condensation pipeline can be removed efficiently, and the defrosting efficiency is improved;

3. According to the invention, by arranging the structures of the spray nozzle, the first threaded rod, the second threaded rod, the first threaded slider, the second threaded slider, the transmission rod, the transmission shaft and the like to be matched with each other, the positions of the condensation pipeline and the fins can be coated with medicaments, and the frost can be taken out in an auxiliary manner.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic side view of the overall structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a pump body and its connection structure according to the present invention;

FIG. 4 is a schematic view of the spray mechanism of the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;

FIG. 6 is a schematic view of a defrost mechanism according to the present invention;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6B according to the present invention;

FIG. 8 is an enlarged schematic view of the structure of FIG. 7 at C in accordance with the present invention;

FIG. 9 is a schematic side view of a defrost mechanism of the present invention;

Fig. 10 is an enlarged view of the structure of fig. 9D according to the present invention.

In the figure: 1. a pump body; 101. a condensing duct; 102. a fin; 2. a defrosting mechanism; 201. a reciprocating threaded rod; 202. a reciprocating slide block; 203. a collar; 204. a scraping ring; 205. a first gear; 206. an L-shaped plate; 207. a first rotating shaft; 208. a second gear; 209. a rotating member; 210. a toothed plate; 211. a second rotating shaft; 212. a third gear; 213. a first bevel gear; 214. a secondary bevel gear; 215. a motor I; 220. a connecting plate; 221. a scraper; 222. an auxiliary lever; 3. a spraying mechanism; 301. a first threaded rod; 302. a first thread slider; 303. an operation panel; 304. a motor II; 305. a third motor; 310. a second threaded rod; 311. a second thread slider; 312. a spray head; 313. a transmission rod; 314. a transmission shaft; 315. a large bevel gear; 316. a third rotating shaft; 317. a fourth gear; 318. a pinion bevel gear; 319. a crown gear; 4. a hammering mechanism; 401. a fourth rotating shaft; 402. a disc; 403. a mounting block; 404. hammering the block; 405. a torsion spring; 406. a fixed rod; 407. a fixed block; 5. a winding mechanism; 501. a wind-up roll; 502. an antifreezing tube; 503. a case; 504. and (3) a water pump.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1-10, the invention provides a defrosting device for an air source heat pump, which comprises a pump body 1, wherein a condensation pipeline 101 and a fin 102 are arranged in the pump body 1, a defrosting mechanism 2 is arranged on the inner wall of the pump body 1, the defrosting mechanism 2 comprises a plurality of scraping rings 204, the scraping rings 204 are movably inserted on the outer side of the condensation pipeline 101, the scraping rings 204 are used for removing frost on the outer side of the condensation pipeline 101, a spraying mechanism 3 and a hammering mechanism 4 are arranged in the pump body 1, the spraying mechanism 3 can spray medicines on the fin 102 and the condensation pipeline 101, so that frost inconvenient to scrape is scraped, the hammering mechanism 4 is connected with the defrosting mechanism 2, a rolling mechanism 5 is arranged at the top end of the pump body 1, the rolling mechanism 5 is used for automatically rolling the anti-freezing pipe 502, and the rolling mechanism 5 is connected with the spraying mechanism 3.

The defrosting mechanism 2 comprises a reciprocating threaded rod 201, the reciprocating threaded rod 201 is rotatably installed in the pump body 1, the reciprocating threaded rod 201 rotates to drive a reciprocating sliding block 202 to reciprocate, a reciprocating sliding block 202 is movably sleeved outside the reciprocating threaded rod 201 and can drive a lantern ring 203 to move, a lantern ring 203 is movably sleeved outside a scraping ring 204, the lantern ring 203 moves to drive the scraping ring 204 to move, a plurality of the lantern rings 203 are fixedly connected, and the reciprocating sliding block 202 is fixedly connected with the lantern ring 203, so that a plurality of the scraping rings 204 hang frost outside the condensing pipeline 101.

By adopting the technical scheme, the reciprocating threaded rod 201 rotates to drive the scraping ring 204 to transversely move, so that frost on the condensation pipeline 101 can be hung.

One of them the fixed L template 206 that is equipped with in the lantern ring 203 outside, L template 206 is used for fixed and support, L template 206 rotation is equipped with a pivot 207, a fixed cover in pivot 207 outside is equipped with No. two gears 208 for No. two gears 208 rotate and drive a pivot 207 rotation, the fixed cover in the outside of scraping ring 204 is equipped with a gear 205, and No. one gear 205 and No. two gears 208 intermeshing.

Through adopting above-mentioned technical scheme for rotation of first pivot 207 drives and scrapes the ring 204 and rotate simultaneously in the removal, and then can take out the frost on the condensation pipeline 101 by the high efficiency.

The L-shaped plate 206 is rotationally provided with a second rotating shaft 211, so that the second rotating shaft 211 rotates to drive the second bevel gear 214 to rotate, a third gear 212 and the second bevel gear 214 are fixedly sleeved on the outer side of the second rotating shaft 211, a first bevel gear 213 is fixedly sleeved on the outer side of the first rotating shaft 207, the first bevel gear 213 rotates to drive the first rotating shaft 207 to rotate, the second bevel gear 214 and the first bevel gear 213 are meshed with each other, a toothed plate 210 is fixedly arranged on the top end of the inner wall of the pump body 1, and the third gear 212 is meshed with the toothed plate 210, so that the third gear 212 rotates under the assistance of the toothed plate 210 when moving.

By adopting the technical scheme, the L-shaped plate 206 is moved to drive the first rotating shaft 207 to rotate for transmitting power.

The motor 215 is installed in the outside of the pump body 1, so that the end part of an output shaft of the motor 215 rotates to drive the reciprocating threaded rod 201 to rotate for providing power output, the end part of the output shaft of the motor 215 penetrates through and is arranged in the pump body 1 and is fixedly connected with the reciprocating threaded rod 201, a rotating piece 209 is arranged in the inside of the reciprocating sliding block 202 in a rotating mode, the rotating piece 209 is inserted in the outside of the reciprocating threaded rod 201, the reciprocating sliding block 202 is enabled to reciprocate on the reciprocating threaded rod 201 through the rotating piece 209, a connecting plate 220 is fixedly arranged on the outer side of the reciprocating sliding block 202, a scraping plate 221 is fixedly arranged on the inner wall of the connecting plate 220, the scraping plate 221 is inserted in the fin 102, an auxiliary rod 222 is fixedly arranged in the pump body 1 and is used for assisting in moving, the auxiliary rod 222 is movably inserted in the connecting plate 220 and fixedly connected with a plurality of rotary shafts 207 through synchronous wheels and synchronous belts in a transmission mode.

By adopting the technical scheme, the reciprocating slide block 202 moves to drive the scraping plate 221 to move, so that the scraping plate 221 scrapes off the frost on the fin 102.

The spraying mechanism 3 comprises a first threaded rod 301, the number of the first threaded rod 301 is two, the number of the second threaded rod 301 is connected through a synchronous wheel and a synchronous belt, the two first threaded rods 301 synchronously rotate, the threads of the first threaded rods 301 are square and identical, a first threaded slider 302 is sleeved on the outer side of the first threaded rod 301, the first threaded slider 302 moves to drop the east operating plate 303 to move, the two first threaded sliders 302 are fixedly connected with the operating plate 303, the operating plate 303 moves transversely to drive the spray head 312 to move transversely, a second threaded rod 310 is rotationally arranged on the operating plate 303, a second threaded slider 311 is sleeved on the outer side of the second threaded rod 310 to move vertically to spray the spray head 312, and a spray head 312 is arranged in the second threaded slider 311 to spray the medicament to the fin 102 and the condensing pipeline 101.

By adopting the technical scheme, the first threaded rod 301 moves to drive the spray head 312 to move transversely.

The pump body 1 is rotationally provided with a transmission rod 313, the transmission rod 313 rotates to drive a transmission shaft 314 to rotate, a transmission shaft 314 is movably sleeved outside the transmission rod 313, square strips which are symmetrically distributed are fixedly arranged outside the transmission rod 313, the square strips are movably inserted into the transmission shaft 314, the transmission shaft 314 rotates to drive a large conical gear 315 to rotate, the transmission shaft 314 is rotationally connected with one of the first thread sliders 302, the transmission shaft 314 is fixedly sleeved outside with the large conical gear 315, the large conical gear 315 rotates to drive a small conical gear 318 which is meshed with each other to rotate, the top end of the first thread slider 302 is rotationally provided with a third rotating shaft 316, a fourth gear 317 and a small conical gear 318 are fixedly sleeved outside the third rotating shaft 316, the small conical gear 318 is meshed with the large conical gear 315, the small bevel gear 318 rotates to drive the rotation of the third rotating shaft 316, and then drives the rotation of the fourth gear 317, the rotation of the fourth gear 317 drives the rotation of the crown gear 319, the crown gear 319 is fixedly arranged at the top end of the second threaded rod 310, the crown gear 319 is meshed with the fourth gear 317, the rotation of the crown gear 319 drives the rotation of the second threaded rod 310, the outer side of the pump body 1 is fixedly provided with the second motor 304 and the third motor 305, the output shaft end of the second motor 304 is penetrated and arranged in the pump body 1 and fixedly connected with one of the first threaded rods 301, the output shaft end of the second motor 304 drives one of the first threaded rods 301 to rotate, the output shaft end of the third motor 305 is penetrated and arranged in the pump body 1 and fixedly connected with the transmission rod 313, and the output shaft end of the third motor 305 is penetrated and rotatably drives the transmission rod 313 for providing power output.

Through adopting above-mentioned technical scheme for the transfer line 313 rotates and drives shower nozzle 312 and reciprocate, and then can make shower nozzle 312 can remove to any position and spray the medicament to fin 102 and condensation pipeline 101, makes the frost that is difficult to the clearance melt.

The hammering mechanism 4 comprises a fourth rotating shaft 401, the fourth rotating shaft 401 is driven to rotate through the rotation of the reciprocating threaded rod 201, the reciprocating threaded rod 201 is connected with the fourth rotating shaft 401 through a synchronous wheel and a synchronous belt, a disc 402 is fixedly arranged on the outer side of the fourth rotating shaft 401, the disc 402 rotates to drive a mounting block 403 to rotate, the top end of the disc 402 is fixedly provided with the mounting block 403, the mounting block 403 rotates to drive a hammering block 404 to rotate, the hammering block 404 is arranged on the top end of the mounting block 403 in a rotating mode, the fin 102 and the condensation pipeline 101 are hammered through the rotation of the hammering block 404, and frost on the outer side is knocked down so as to clean the attached frost.

By adopting the technical scheme, the fourth rotating shaft 401 rotates to drive the hammering block 404 to rotate.

The pump body 1 internal fixation is equipped with dead lever 406, the fixed block 407 that is equipped with in the condensation pipeline 101 outside, be connected with torsional spring 405 between hammering piece 404 and the installation piece 403, make hammering piece 404 receive a power all the time through torsional spring 405, can rotate when passing through dead lever 406, can bounce back fast when passing through dead lever 406 to hammering fin 102 and condensation pipeline 101.

Through adopting above-mentioned technical scheme for the assistance of torsional spring 405 and dead lever 406 makes hammering piece 404 can hammer fin 102 and condensation duct 101, and then knocks down the frost that the outside is attached.

The winding mechanism 5 comprises a winding roller 501, the winding roller 501 can wind an antifreezing pipe 502, the winding roller 501 is in a tight state to prevent the antifreezing pipe 502 from winding in the pump body 1, the winding roller 501 is fixedly connected with the top surface of the pump body 1, the antifreezing pipe 502 is movably wound outside the winding roller 501, the end part of the antifreezing pipe 502 is fixedly connected with the spray head 312, a box 503 is mounted at the top end of the pump body 1, the box 503 is used for storing medicaments, a water pump 504 is mounted outside the box 503, the input end of the water pump 504 is inserted in the box 503 in a penetrating manner, the output end of the water pump 504 is fixedly connected with the antifreezing pipe 502, and the medicaments in the box 503 can be transmitted to the spray head 312 through the water pump 504 and sprayed by the spray head 312.

Through adopting above-mentioned technical scheme for wind-up roll 501 can carry out the rolling to antifreeze pipe 502, carries the medicament to shower nozzle 312 through box 503 simultaneously, sprays the medicament on to fin 102 and condensation pipeline 101.

Working principle: when the frost is required to be removed, the first motor 215 is started, the end part of the output shaft of the first motor 215 rotates to drive the reciprocating threaded rod 201 to rotate, the reciprocating threaded rod 201 rotates to drive the reciprocating sliding block 202 to reciprocate on the reciprocating threaded rod 201 with the aid of the rotating piece 209, the reciprocating sliding block 202 moves to drive the plurality of lantern rings 203 to move, the lantern rings 203 move to drive the L-shaped plate 206 and the scraping ring 204 to move, the scraping ring 204 moves to scrape the frost outside the condensation pipeline 101, meanwhile, the L-shaped plate 206 moves to drive the second rotating shaft 211 to move, the second rotating shaft 211 moves to drive the third gear 212 to move, the third gear 212 rotates to drive the second rotating shaft 211 to rotate with the aid of the toothed plate 210, the second rotating shaft 211 rotates to drive the second conical gear 214 to rotate, the second conical gear 214 rotates to drive the first conical gear 213 which are meshed with each other, the first conical gear 213 rotates to drive the first rotating shaft 207 to rotate, the first rotating shaft 207 rotates to enable a plurality of first rotating shafts 207 to synchronously rotate through the synchronous wheels and the synchronous belt, the first rotating shaft 207 rotates to drive the second gear 208 to rotate, the second gear 208 rotates to drive the first gear 205 which is meshed with each other to rotate, the first gear 205 rotates to drive the scraping ring 204 to rotate on the lantern ring 203, so that the scraping ring 204 can rotate while moving outside the condensing pipeline 101, the defrosting effect can be better, at the same time, the reciprocating sliding block 202 moves to drive the connecting plate 220 to move, the connecting plate 220 moves while driving the scraping plate 221 to move with the aid of the auxiliary rod 222, the scraping plate 221 scrapes frost on the fin 102, at the same time, the reciprocating threaded rod 201 rotates to enable the fourth rotating shaft 401 to rotate through the synchronous wheels and the synchronous belt, the fourth rotating shaft 401 rotates to drive the disc 402 to rotate, the disc 402 rotates to drive the mounting block 403 to rotate, the mounting block 403 rotates to drive the hammering block 404 to rotate, and the hammering block 404 hammering and vibrating the fins 102 and the fixed block 407 under the assistance of the torsion spring 405, so that scraped frost can be scraped;

When the frost is difficult to scrape, the second motor 304 can be started, the second motor 304 starts to work, the end part of the output shaft of the second motor 304 rotates to drive one of the first threaded rods 301 to rotate, one of the first threaded rods 301 rotates to drive the two first threaded rods 301 to synchronously rotate through the synchronous wheel and the synchronous belt, further, the two first threaded sliders 302 can be driven to move, the first threaded sliders 302 move to drive the operation plate 303 to move, further, the first threaded sliders 302 can be driven to move, the spray head 312 can be driven to transversely move, then the third motor 305 can be started, the end part of the output shaft of the third motor 305 rotates to drive the transmission rod 313 to rotate, the transmission rod 313 rotates to drive the transmission shaft 314 to rotate, the transmission shaft 314 rotates to drive the large conical gear 315 to rotate, the large conical gear 315 rotates to drive the small conical gear 318 meshed with each other to rotate, the small conical gear 318 rotates to drive the third rotary shaft 316 to rotate, the fourth rotary shaft 317 rotates to drive the fourth threaded rod 317, the fourth threaded rod 319 rotates to drive the second threaded rod 310 to move, the second threaded rod 310 rotates to drive the fourth threaded rod 311 to move up and down, the second threaded rod 311 moves up and down, the spray the frost can be removed from the pipeline 101, and the frost can be further removed from the pipeline can be condensed by the pipeline 101.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides an air source is defroster for heat pump, includes the pump body (1), its characterized in that: install condensation pipeline (101) and fin (102) in pump body (1), defrosting mechanism (2) are installed to pump body (1) inner wall, defrosting mechanism (2) are including scraping ring (204), scrape ring (204) have a plurality of, scrape ring (204) all activity and insert and establish in condensation pipeline (101) outside, install spraying mechanism (3) and hammering mechanism (4) in pump body (1), hammering mechanism (4) are connected with defrosting mechanism (2), rolling mechanism (5) are installed on pump body (1) top, rolling mechanism (5) are connected with spraying mechanism (3).

2. The defrosting device for the air source heat pump as claimed in claim 1, wherein the defrosting mechanism (2) comprises a reciprocating threaded rod (201), the reciprocating threaded rod (201) is rotatably installed in the pump body (1), a reciprocating sliding block (202) is movably sleeved on the outer side of the reciprocating threaded rod (201), a lantern ring (203) is movably sleeved on the outer side of the scraping ring (204), a plurality of lantern rings (203) are fixedly connected, and the reciprocating sliding block (202) is fixedly connected with the lantern ring (203).

3. A defrosting device for an air source heat pump as claimed in claim 2, wherein an L-shaped plate (206) is fixedly arranged on the outer side of one of the collars (203), a first rotating shaft (207) is rotatably arranged on the L-shaped plate (206), a second gear (208) is fixedly sleeved on the outer side of the first rotating shaft (207), a first gear (205) is fixedly sleeved on the outer side of the scraper ring (204), and the first gear (205) and the second gear (208) are meshed with each other.

4. A defrosting device for an air source heat pump as claimed in claim 3, wherein the L-shaped plate (206) is rotatably provided with a second rotating shaft (211), a third gear (212) and a second bevel gear (214) are fixedly sleeved on the outer side of the second rotating shaft (211), a first bevel gear (213) is fixedly sleeved on the outer side of the first rotating shaft (207), the second bevel gear (214) and the first bevel gear (213) are meshed with each other, a toothed plate (210) is fixedly arranged on the top end of the inner wall of the pump body (1), and the third gear (212) is meshed with the toothed plate (210) with each other.

5. The defrosting device for the air source heat pump as claimed in claim 2, wherein a first motor (215) is installed on the outer side of the pump body (1), the end part of an output shaft of the first motor (215) is inserted into the pump body (1) in a penetrating way and is fixedly connected with the reciprocating threaded rod (201), a rotating piece (209) is rotationally arranged on the reciprocating sliding block (202), the rotating piece (209) is inserted on the outer side of the reciprocating threaded rod (201), a connecting plate (220) is fixedly arranged on the outer side of the reciprocating sliding block (202), a scraping plate (221) is fixedly arranged on the inner wall of the connecting plate (220), an auxiliary rod (222) is fixedly arranged in the pump body (1), and the auxiliary rods (222) are movably inserted into the connecting plate (220) in a fixed connection way, and a plurality of first rotating shafts (207) are in transmission connection through synchronous wheels and synchronous belts.

6. The defrosting device for the air source heat pump according to claim 1, wherein the spraying mechanism (3) comprises a first threaded rod (301), the first threaded rod (301) is shared by two, the first threaded rod (301) is in transmission connection with the synchronous pulley and the synchronous belt, a first threaded slider (302) is sleeved on the outer side of the first threaded rod (301), the second threaded rod (310) is rotationally arranged on the operating plate (303), a second threaded slider (311) is sleeved on the outer side of the second threaded rod (310), and a spray head (312) is arranged in the second threaded slider (311).

7. The defrosting device for an air source heat pump according to claim 6, wherein a transmission rod (313) is rotationally arranged in the pump body (1), a transmission shaft (314) is movably sleeved outside the transmission rod (313), square bars which are symmetrically distributed are fixedly arranged outside the transmission rod (313), the square bars are movably inserted in the transmission shaft (314), the transmission shaft (314) is rotationally connected with one of the first thread sliders (302), a large conical gear (315) is fixedly sleeved outside the transmission shaft (314), a third rotating shaft (316) is rotationally arranged at the top end of the first thread slider (302), a fourth gear (317) and a small conical gear (318) are fixedly sleeved outside the third rotating shaft (316), the small conical gear (318) is meshed with the large conical gear (315), a crown gear (319) is fixedly arranged at the top end of the second thread slider (310), the crown gear (319) is meshed with the fourth gear (317), a second motor (304) and a third motor (305) are fixedly arranged outside the pump body (1), the second motor (305) is inserted in the end of the first threaded shaft (301) and is fixedly connected with the first threaded shaft (301), the end part of the output shaft of the third motor (305) is inserted into the pump body (1) in a penetrating way and is fixedly connected with the transmission rod (313).

8. A defrosting apparatus for an air source heat pump as claimed in claim 2, wherein the hammering mechanism (4) comprises a fourth rotating shaft (401), the reciprocating threaded rod (201) is in transmission connection with the fourth rotating shaft (401) through a synchronous wheel and a synchronous belt, a disc (402) is fixedly arranged on the outer side of the fourth rotating shaft (401), a mounting block (403) is fixedly arranged on the top end of the disc (402), and a hammering block (404) is rotatably arranged on the top end of the mounting block (403).

9. The defrosting device for an air source heat pump as claimed in claim 8, wherein a fixing rod (406) is fixedly arranged in the pump body (1), a fixing block (407) is fixedly arranged on the outer side of the condensation pipeline (101), and a torsion spring (405) is connected between the hammering block (404) and the mounting block (403).

10. The defrosting device for the air source heat pump as claimed in claim 6, wherein the winding mechanism (5) comprises a winding roller (501), the winding roller (501) is fixedly connected with the top surface of the pump body (1), an antifreezing pipe (502) is movably wound on the outer side of the winding roller (501), the end part of the antifreezing pipe (502) is fixedly connected with the spray head (312), a box body (503) is mounted on the top end of the pump body (1), a water pump (504) is mounted on the outer side of the box body (503), and the input end of the water pump (504) is inserted into the box body (503) in a penetrating manner, and the output end of the water pump (504) is fixedly connected with the antifreezing pipe (502).