Air conditioner evaporator

Abstract

The utility model provides an air-conditioning evaporator, which relates to the technical field of air-conditioning evaporators and comprises a shell, a bent pipe is mounted in the shell in a penetrating manner, a plurality of fins are mounted in the shell, and a cleaning mechanism is mounted in the shell. Through the synergistic effect of the motor and the threaded rod, the movable plate can be accurately controlled to move up and down at the front end and the rear end in the shell, meanwhile, in the moving process of the movable plate, the first scraping plate and the second scraping plate which are connected with the movable plate can move along with the movable plate to scrape the surfaces of the fins, and therefore a frost layer is effectively removed, water flow is guided, and the defrosting effect is improved. And meanwhile, when the first scraping plate is in contact with the inclined surface of the bent pipe and is subjected to downward pushing force, the first scraping plate can be matched with the spring to move back and forth along the surface of the bent pipe so as to perform defrosting and water diversion operation on the surface of the bent pipe, so that water flow is prevented from being solidified on the surfaces of the fins and the bent pipe, and the influence of a frost layer on the heat exchange performance of the evaporator is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner evaporator technical field, specifically, relate to a kind of air conditioner evaporator. BACKGROUND

[0002] Air conditioner evaporator plays a vital role in air conditioning system, it is responsible for the heat of refrigerant to be transferred to surrounding air, to realize refrigeration or heating effect.In the structure of evaporator, fin is the key component of increasing heat exchange area, and elbow pipe is the passage of refrigerant circulation, and in the actual operation process of air conditioner, especially in low temperature and high humidity environment, evaporator surface is extremely easy to frost, the formation of frost layer can bring many adverse effects to the performance of evaporator, on the one hand, the thermal conductivity of frost layer is far lower than metal fin, it can form heat insulation layer on the surface of fin, greatly reduce the heat exchange efficiency of evaporator, lead to air conditioner refrigeration or heating capacity decline, on the other hand, with the continuous thickening of frost layer, air flow resistance gradually increases, influence air conditioning internal air circulation, further reduce the overall performance of air conditioner, increase energy consumption, even possibly cause compressor failure problem, therefore we propose a kind of air conditioner evaporator to solve the above problems. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of air conditioner evaporator, solve the actual operation process of air conditioner, especially in low temperature and high humidity environment, evaporator surface is extremely easy to frost, the formation of frost layer can bring many adverse effects to the performance of evaporator, on the one hand, the thermal conductivity of frost layer is far lower than metal fin, it can form heat insulation layer on the surface of fin, greatly reduce the heat exchange efficiency of evaporator, lead to air conditioner refrigeration or heating capacity decline, on the other hand, with the continuous thickening of frost layer, air flow resistance gradually increases, influence air conditioning internal air circulation, further reduce the overall performance of air conditioner, increase energy consumption, even possibly cause compressor failure problem.

[0004] To achieve the above object, the technical scheme adopted by the utility model is:

[0005] An air conditioner evaporator, including shell, the inside of the shell is installed through the elbow pipe, the inside of the shell is installed with several fins, the pipe body of the elbow pipe is installed respectively in the inside of fin, the inside of the shell is installed with cleaning mechanism, the surface of cleaning mechanism and fin and elbow pipe are attached, the upper end of one side of the shell is installed through inlet pipe, the upper end of inlet pipe is connected with elbow pipe, the lower end of the side close to inlet pipe of the shell is installed through outlet pipe, the lower end of outlet pipe is connected with the lower end of elbow pipe.

[0006] As preferred, the cleaning mechanism comprises movable plates movably installed at the front and back ends of the inner part of the shell, the movable plates are parallel to the fins, the side of the movable plates close to each other is movably provided with a plurality of first scrapers, the first scrapers are clamped between the fins, and the two sides of the first scrapers are matched with the side surfaces of the fins.

[0007] As preferred, the side of the movable plates close to the first scrapers is provided with a plurality of grooves, the grooves correspond to the first scrapers one by one, the inner part of the grooves is movably provided with movable blocks, the side of the movable blocks close to each other is connected with the first scrapers, and the side of the movable blocks away from each other is provided with springs between the grooves.

[0008] As preferred, the side of the movable plates close to the fins is fixedly provided with a plurality of second scrapers, the side of the second scrapers close to each other is matched with the front and back sides of the fins, the lower surface of the first scrapers and the side close to each other is provided with triangular protrusions, and the upper end of the side close to each other of the first scrapers is inclined, and the triangular protrusions are matched with the surface of the elbow pipe.

[0009] As preferred, the inner part of the shell is provided with a recovery groove and a temporary storage groove at the upper and lower ends, the recovery groove and the temporary storage groove are parallel to the fins and the elbow pipe, the lower end of the inner part of the recovery groove is provided with a connecting pipe, and the movable plates are movably located in the inner part of the temporary storage groove.

[0010] As preferred, the inner part of the shell and the side close to the liquid inlet pipe are provided with first guide grooves at the front and back ends, the inner part of the first guide grooves is movably provided with first sliding blocks, one end of the first sliding blocks is connected with the movable plates, the inner part of the shell and the side away from the liquid inlet pipe is provided with a second guide groove, the inner part of the second guide groove is movably provided with a second sliding block, and one end of the second sliding block is connected with the movable plates.

[0011] As preferred, the inner part of the first guide groove and the second guide groove is fixedly provided with guide rods, the rod bodies of the guide rods are movably provided in the inner part of the first sliding block and the second sliding block, the upper surface of the shell and the side close to the second guide groove is provided with a placing box, the inner part of the placing box and the second guide groove are movably provided with a threaded rod, the rod body outside the second guide groove is movably provided in the inner part of the second sliding block through threads, the inner part of the placing box is provided with a motor, the output end of the motor and the upper end of the threaded rod are provided with bevel gears, and the bevel gears are meshed and connected.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] (1) The utility model discloses a through the synergies of motor and threaded rod can accurately control the front and rear both ends of the movable plate in the shell and move up and down, and in the movable plate moving process, the first scraper and the second scraper connected therewith will move along with it, and the fin surface is scraped, thereby effectively removing frost layer and guiding water flow, and when the first scraper contacts the inclined surface of the elbow pipe and is subjected to the force of being pushed downward, the first scraper can move back and forth along the surface of the elbow pipe in cooperation with the spring, thereby also removing frost and guiding water on the surface of the elbow pipe, thereby avoiding that water flow solidifies on the surface of the fin and the elbow pipe, and reducing the influence of frost layer on the heat exchange performance of the evaporator.

[0014] (2) The utility model discloses when not needing defrosting and guiding water, the movable plate drives the first scraper and the second scraper to be stored in the inside of the temporary storage groove, thereby avoiding hindering the normal work of the fin and the elbow pipe, and then when the first scraper and the second scraper defrost and guide water, water flow falls into the inside of the recovery groove, and can be discharged along the connecting pipe, which is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model discloses a kind of air conditioner evaporator;

[0016] Figure 2 It is front view structure schematic diagram of the utility model discloses a kind of air conditioner evaporator;

[0017] Figure 3 It is side view structure schematic diagram of the utility model discloses a kind of air conditioner evaporator;

[0018] Figure 4 It is the utility model discloses a kind of air conditioner evaporator Figure 2 A-A section structure schematic diagram in it;

[0019] Figure 5 It is the utility model discloses a kind of air conditioner evaporator Figure 3 B-B section structure schematic diagram in it;

[0020] Figure 6 It is the utility model discloses a kind of air conditioner evaporator Figure 2 C-C section structure schematic diagram in it;

[0021] Figure 7 It is the utility model discloses a kind of air conditioner evaporator Figure 2 D-D section structure schematic diagram in it;

[0022] Figure 8 It is the utility model discloses a kind of air conditioner evaporator Figure 4 E place amplification structure schematic diagram in it;

[0023] Figure 9 It is the utility model discloses a kind of air conditioner evaporatorFigure 6 Enlarged structure schematic view at F;

[0024] Figure 10 The utility model relates to a kind of air conditioner evaporator of Figure 7 Enlarged structure schematic view at G.

[0025] In the figure: 1, shell;2, fin;3, cleaning mechanism;301, movable plate;302, recess;303, movable block;304, spring;305, first scraper;306, second scraper;307, triangular lug;308, first guide slot;309, first slider;310, guide rod;311, second guide slot;312, second slider;313, threaded rod;314, recovery groove;315, connecting pipe;316, temporary storage groove;317, placing box;318, helical gear;319, motor;4, elbow;5, liquid inlet pipe;6, liquid outlet pipe. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] As Figures 1 to 10 shown, the utility model embodiment proposes an air conditioner evaporator, including shell 1, the inside through installation of elbow 4 of shell 1, the inside installation of shell 1 has a plurality of fins 2, the pipe body of elbow 4 is installed respectively in the inside of fin 2, the inside installation of shell 1 has cleaning mechanism 3, cleaning mechanism 3 and the surface of fin 2 and elbow 4 are combined, the upper end through installation of shell 1 in one side has liquid inlet pipe 5, liquid inlet pipe 5 and the upper end through connection of elbow 4, the lower end through installation of shell 1 near liquid inlet pipe 5 side has liquid outlet pipe 6, the lower end through connection of liquid outlet pipe 6 with elbow 4.

[0028] As Figures 4 to 10As shown, another embodiment of the utility model, the cleaning mechanism 3 including movable plate 301, movable plate 301 movable installation is in the inside front and rear ends of shell 1, movable plate 301 and fin 2 between each other parallel, movable plate 301 each other close side respectively movable installation has several first scraper 305, first scraper 305 respectively snap fit installation is between fin 2, and the side surface of fin 2 and the two sides of first scraper 305 are inlaid, movable plate 301 close first scraper 305's side respectively be equipped with several recess 302, and recess 302 and first scraper 305 between one-to-one correspondence, the inner portion of recess 302 respectively movable through installation has movable block 303, movable block 303 each other close side respectively with first scraper 305 is connected, movable block 303 each other far side and recess 302 between respectively installed with spring 304, movable plate 301 close fin 2's side respectively fixed installation has several second scraper 306, second scraper 306 each other close side and the front and rear sides of fin 2 are inlaid, the lower surface of first scraper 305 and each other close end respectively installs triangular lug 307, and first scraper (305) each other close side upper end is inclined, triangular lug 307 and first scraper 305 each other close end and the surface of elbow pipe 4 are inlaid, the inside upper and lower ends of shell 1 are respectively equipped with recovery groove 314 and temporary storage groove 316, and recovery groove 314 and temporary storage groove 316 and fin 2 and elbow pipe 4 between upper and lower parallel, the inside lower end of recovery groove 314 is installed with connecting pipe 315, movable plate 301 respectively movable in the inside of temporary storage groove 316, the inside front and rear ends of shell 1 and close liquid inlet pipe 5 one side are respectively equipped with first guide slot 308, the inside of first guide slot 308 respectively movable through installation has first sliding block 309, the one end of first sliding block 309 respectively with movable plate 301 is connected, the inside of shell 1 and away from liquid inlet pipe 5 one side is equipped with second guide slot 311, the inside of second guide slot 311 movable through installation has second sliding block 312, the one end of second sliding block 312 respectively with movable plate 301 is connected, the inside of first guide slot 308 and second guide slot 311 respectively fixed installation has guide rod 310, and the rod body of guide rod 310 respectively movable through installation is in the inside of first sliding block 309 and second sliding block 312, the upper surface of shell 1 and close second guide slot 311 one end installation has placing box 317, the inside of placing box 317 and second guide slot 311 between movable through installation has threaded rod 313, the rod body outside of threaded rod 313 in the inside of second guide slot 311 is through screw through installation in the inside of second sliding block 312, the inside of placing box 317 is installed with motor 319, the output end of motor 319 and the upper end of threaded rod 313 respectively install bevel gear 318, bevel gear 318 between meshing connection.

[0029] When defrosting and water removal between the fins 2 and the elbow pipe 4 are needed, the motor 319 drives the bevel gear 318 to rotate, and then the bevel gear 318 can drive the threaded rod 313 to rotate, and then the threaded rod 313 can control the second slider 312 and the first slider 309 to move down through the thread, so that the second slider 312 and the first slider 309 drive the movable plate 301 to move, and then when the movable plate 301 drives the first scraper 305 and the second scraper 306 to contact the fins 2, the first scraper 305 and the second scraper 306 can scrape the frost layer on the surface of the fins 2 to clean, so that the frost layer falls down, and then when the first scraper 305 drives the triangular block 307 to contact the surface of the elbow pipe 4, the triangular block 307 scrapes the surface of the elbow pipe 4 to clean, so that the frost layer or water droplets slide down, and at the same time, the triangular block 307 can slide on the arc surface of the elbow pipe 4, so that the triangular block 307 drives the first scraper 305 to move forward and backward, so that the first scraper 305 drives the movable block 303 to press the spring 304, and then when the first scraper 305 moves close to the side of the elbow pipe 4, the first scraper 305 drives the movable block 303 to press the spring 304, so that the spring 304 drives the first scraper 305 to reset, and at the same time, the corner of the first scraper 305 on the upper end scrapes the lower surface of the elbow pipe 4 to clean, so that the frost layer and water droplets fall into the recycling groove 314, and can be discharged along the connecting pipe 315 after melting.

[0030] When the motor 319 controls the bevel gear 318 to reverse, the threaded rod 313 controls the movable plate 301 to move up and reset, and when the first scraper 305 contacts the elbow pipe 4, the first scraper 305 can still move on both sides through the inclined surface of the elbow pipe 4, which is more convenient and fast.

[0031] The working principle of the air conditioner evaporator is as follows:

[0032] In use, first, when defrosting water is needed between the fins 2 and the elbow pipe 4, the motor 319 drives the bevel gear 318 to rotate, then the bevel gear 318 drives the threaded rod 313 to rotate, then the threaded rod 313 drives the second sliding block 312 and the first sliding block 309 to move downward through thread control, so that the second sliding block 312 and the first sliding block 309 drive the movable plate 301 to move, then when the movable plate 301 drives the first scraper 305 and the second scraper 306 to contact the fins 2, the first scraper 305 and the second scraper 306 can scrape the frost layer on the surface of the fins 2 to clean, so that the frost layer falls downward, then when the first scraper 305 drives the triangular block 307 to contact the surface of the elbow pipe 4, the triangular block 307 scrapes the surface of the elbow pipe 4 to clean, so that the frost layer or water droplets slide downward, and the triangular block 307 can also slide through the arc surface of the elbow pipe 4, so that the triangular block 307 drives the first scraper 305 to move forward and backward, so that the first scraper 305 drives the movable block 303 to press the spring 304, then when the first scraper 305 on the side close to each other slides with the triangular block 307 to contact the surface of the elbow pipe 4, the spring 304 drives the first scraper 305 to reset, and the corner of the upper end of the first scraper 305 scrapes the lower surface of the elbow pipe 4 to clean, so that the frost layer and water droplets fall into the recycling groove 314, and can be discharged along the connecting pipe 315 after melting.

[0033] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not limitations on the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description, and all the embodiments cannot be exhausted here, and all the changes or variations derived from the technical solutions of the utility model still fall within the protection scope of the utility model.

Claims

1. An air conditioner evaporator, comprising a housing (1), characterized in that: A bent tube (4) is installed through the interior of the outer shell (1). Several fins (2) are installed inside the outer shell (1). The tube body of the bent tube (4) is installed through the interior of the fins (2). A cleaning mechanism (3) is installed inside the outer shell (1). The cleaning mechanism (3) is in contact with the surfaces of the fins (2) and the bent tube (4). An inlet pipe (5) is installed through the upper end of one side of the outer shell (1). The inlet pipe (5) is connected through the upper end of the bent tube (4). An outlet pipe (6) is installed through the lower end of the outer shell (1) near the inlet pipe (5). The outlet pipe (6) is connected through the lower end of the bent tube (4).

2. An air conditioner evaporator according to claim 1, characterized in that: The cleaning mechanism (3) includes a movable plate (301), which is movably installed at the front and rear ends inside the outer shell (1). The movable plate (301) is parallel to the fins (2). Several first scrapers (305) are movably installed on the side of the movable plate (301) that is close to each other. The first scrapers (305) are respectively engaged between the fins (2), and the two sides of the first scrapers (305) are in contact with the sides of the fins (2).

3. An air conditioner evaporator according to claim 2, characterized in that: The movable plate (301) has several grooves (302) on the side near the first scraper (305), and the grooves (302) correspond one-to-one with the first scraper (305). Movable blocks (303) are installed inside the grooves (302). The sides of the movable blocks (303) that are close to each other are connected to the first scraper (305), and springs (304) are installed between the sides of the movable blocks (303) that are far apart from each other and the grooves (302).

4. An air conditioner evaporator according to claim 2, characterized in that: A plurality of second scrapers (306) are fixedly installed on the side of the movable plate (301) near the fin (2). The side of the second scrapers (306) that is close to each other is in contact with the front and rear sides of the fin (2). Triangular protrusions (307) are respectively installed on the lower surface of the first scraper (305) and at the ends that are close to each other. The upper end of the side of the first scraper (305) that is close to each other is set in an inclined shape. The end of the triangular protrusion (307) that is close to the first scraper (305) is in contact with the surface of the bent tube (4).

5. An air conditioner evaporator according to claim 2, characterized in that: The upper and lower ends of the outer shell (1) are respectively provided with a recycling tank (314) and a temporary storage tank (316), and the recycling tank (314) and the temporary storage tank (316) and the fin (2) and the bend (4) are parallel vertically. A connecting pipe (315) is installed through the lower end of the recycling tank (314), and the movable plate (301) is movably located inside the temporary storage tank (316).

6. An air conditioner evaporator according to claim 5, characterized in that: The outer casing (1) has a first guide groove (308) at both ends of the front and rear sides near the liquid inlet pipe (5). A first slider (309) is movably installed inside the first guide groove (308). One end of the first slider (309) is connected to the movable plate (301). The outer casing (1) has a second guide groove (311) at the side away from the liquid inlet pipe (5). A second slider (312) is movably installed inside the second guide groove (311). One end of the second slider (312) is connected to the movable plate (301).

7. An air conditioner evaporator according to claim 6, characterized in that: Guide rods (310) are fixedly installed inside the first guide groove (308) and the second guide groove (311), and the rods of the guide rods (310) are movably installed inside the first slider (309) and the second slider (312), respectively. A placement box (317) is installed on the upper surface of the outer shell (1) and near the end of the second guide groove (311). A threaded rod (313) is movably installed between the inside of the placement box (317) and the second guide groove (311). The threaded rod (313) is located inside the second guide groove (311) and is installed inside the second slider (312) by threading through the outer side of the rod body. A motor (319) is installed inside the placement box (317). Helical gears (318) are installed at the output end of the motor (319) and the upper end of the threaded rod (313), respectively, and the helical gears (318) are meshed together.

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