CN213208229U - Air energy water heater defrosting and dust removal device - Google Patents

Abstract

The utility model discloses a defrosting and dust removal device for an air energy water heater, comprising: a support table, which is arranged at the bottom of an outdoor heat exchanger; an installation table, which is arranged on the front side of the support table and protrudes from the air inlet side of the outdoor heat exchanger ; a water collecting tank, which is located on the left side of the support table, the top of the water collecting tank is connected with the drainage hole at the bottom of the outdoor heat exchanger, and the water collecting tank is provided with an electric heater and a temperature sensor; a filter screen, which is installed in the outdoor heat exchanger At the air inlet, the periphery of the filter screen is fixedly connected to the air inlet side through the connecting plate; the dust removal roller is horizontally arranged outside the filter screen, and the side wall of the dust removal roller is in contact with the filter screen; the defrosting pipe is horizontally arranged on the filter screen. Inside the net and parallel to the filter screen, the defrost pipe is provided with a nozzle on the side close to the filter screen, the defrost pipe is connected with the water collecting tank through a telescopic water pipe, and a water pump is arranged on the telescopic water pipe; the driving component is installed on the installation table, driving The components are respectively connected with the dust removal roller and the defrosting pipe and drive them to move up and down. The utility model has the advantages of short time consumption for defrosting and dust removal, good effect and the like.

Description

Air energy water heater defrosting and dust removal device

technical field

The utility model relates to the field of air energy water heaters. More specifically, the utility model relates to a defrosting and dust removal device for an air energy water heater.

Background technique

Air energy water heater is a device that uses the working principle of heat pump to absorb heat from the air to generate hot water. Its power consumption is usually only 1/4 of that of electric water heater, and it does not need to rely on sunlight like solar water heaters. It has a high energy efficiency ratio and has a wide range of applications. wide range of advantages. However, when the surface temperature of the outdoor heat exchanger of the air source water heater is lower than the air dew point and less than 0°C, frost will form on the surface of the outdoor heat exchanger, which will affect the heating effect of the air source water heater. Long-term exposure, dust in the air will accumulate at the air inlet of the outdoor heat exchanger, resulting in blockage of the air inlet, or dust-laden air enters the interior of the outdoor heat exchanger through the air inlet and adheres to the heat exchange fins, affecting the air The heating effect of the water heater.

Utility model content

The purpose of the utility model is to provide a defrosting and dust removal device for an air-energy water heater, which can defrost the filter screen by adding a filter screen at the air inlet of the outdoor heat exchanger, and spray the filter screen through the defrosting pipe, and the dust removal roller wipes the The filter screen is used for dust removal, and the defrosting and dust removal are carried out at the same time, which takes a short time and has a good effect, which significantly improves the heating effect of the air energy water heater in the low temperature and polluted air environment.

In order to achieve the purpose and other advantages of the present invention, an air-energy water heater defrosting and dust removal device is provided, including:

a support table, which is arranged at the bottom of the outdoor heat exchanger;

an installation table, which is connected with the front side of the support table and protrudes from the air inlet side of the outdoor heat exchanger;

a water collection tank, which is connected to the left side of the support table, the top of the water collection tank is communicated with the drainage hole at the bottom of the outdoor heat exchanger, and the interior of the water collection tank is provided with an electric heater and a temperature sensor;

A filter screen, which is arranged at the air inlet of the outdoor heat exchanger and is parallel to the air inlet side of the outdoor heat exchanger, and the periphery of the filter screen is connected to the air inlet side of the outdoor heat exchanger through a connecting plate fixed connection;

The dust removal roller is horizontally arranged outside the filter screen and parallel to the filter screen, and the side wall of the dust removal roller is in contact with the filter screen;

a defrost pipe, which is horizontally arranged in the filter screen and parallel to the filter screen, the side of the defrost pipe close to the filter screen is provided with a plurality of nozzles at intervals along the length direction of the defrost pipe, Any nozzle is perpendicular to the filter screen, the defrosting pipe is communicated with the water collecting tank through a telescopic water pipe, and a water pump is provided on the telescopic water pipe;

The driving assembly is arranged on the installation platform, the driving assembly is respectively connected with the dust removal roller and the defrosting pipe, and drives the dust removal roller and the defrosting pipe to move up and down in the vertical direction.

Preferably, in the air source water heater defrosting and dust removal device, the filter screen and the connecting plate form a hollow cuboid structure with one side open, which is vertically arranged and located on the connecting plate on the left side of the filter screen. A first slideway is provided, and the connecting plate on the right side of the filter screen is provided with a second slideway, and both the first slideway and the second slideway pass through the height direction of the connecting plate. A connecting plate is provided, and the central axes of the first slideway and the second slideway are located on the same vertical plane, and the two ends of the defrost pipe pass through the first slideway and the second slideway respectively. A slideway is connected to the drive assembly.

Preferably, in the air-energy water heater defrosting and dust removal device, the drive assembly includes two orbital screws, which are respectively arranged on the left and right sides of the filter screen, and any orbital screw is vertically arranged, and its lower end is connected to the The mounting platform is rotatably connected through a first bearing; the top plate is horizontally arranged above the filter screen, and the bottom of the top plate is rotatably connected with the upper ends of the two track screws through two second bearings; two Threaded sleeves, which are respectively sleeved on the two track screws and connected with them threadedly, the front and rear sides of any threaded sleeve are connected with the ends of the dust removal roller and the defrosting pipe through the mounting plate; the positive and negative motors , which is arranged on the mounting platform between the two track screws, and the output end of the forward and reverse motors is provided with a driving gear; two driven gears are respectively arranged on the left and right sides of the driving gear. The gear shaft of any driven gear is rotatably connected to the mounting platform through a third bearing, and the gear shaft and the adjacent track screw are driven by a pulley assembly.

Preferably, in the air source water heater defrosting and dust removal device, the dust removal roller includes an upper dust removal roller and a lower dust removal roller, the upper dust removal roller is located above the defrosting pipe, and the lower dust removal roller is located on the Below the defrosting tube, the upper dust removal roller is a sponge roller, the lower dust removal roller is a brush roller, and the two ends of the upper dust removal roller and the lower dust removal roller respectively pass through the fourth bearing with the mounting plate Turn the connection.

Preferably, in the air source water heater defrosting and dust removal device, the front side of the water collecting tank is flush with the front side of the installation platform, the bottom of the water collecting tank is inclined at the rear, up and down, and the The top of the part of the water collecting tank protruding from the air inlet side of the outdoor heat exchanger is provided with an opening and a cover plate matched with the opening, and a vertically arranged filter plate is arranged inside the water collecting tank, and the filter plate It is arranged below the opening and is connected with the inner wall of the water collecting tank in a sliding up and down manner. The filter plate divides the interior of the water collecting tank into a front part and a rear part. The electric heater and the temperature sensor are arranged in the In the rear part, the water inlet end of the telescopic water pipe is arranged on the front part.

Preferably, in the air source water heater defrosting and dust removal device, the lower part of the filter screen is sealed and extends downward and forward to form an arc-shaped wiper.

The utility model at least includes the following beneficial effects: by adding a filter screen at the air inlet of the outdoor heat exchanger, defrosting the filter screen by spraying the defrosting pipe, and wiping the dust-removing roller to remove the filter screen, the defrosting and dust removal are simultaneously carried out. It has the advantages of short time consumption and good effect, and significantly improves the heating effect of the air energy water heater in the low temperature and polluted air environment.

Other advantages, objects, and features of the present invention will be manifested in part by the description below, and in part will be understood by those skilled in the art from the study and practice of the present invention.

Description of drawings

1 is a schematic front view of the structure of a defrosting and dust removal device for an air source water heater according to an embodiment of the present invention;

2 is a schematic top view of the structure of a defrosting and dust removal device for an air source water heater according to an embodiment of the present invention;

Fig. 3 is a right side structural schematic diagram of the connection between the dust removal roller, the defrost pipe and the track screw according to an embodiment of the present invention.

Detailed ways

The present utility model will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can refer to the text of the description to implement it accordingly.

It should be noted that in the description of the present invention, the terms "horizontal", "longitudinal", "upper", "lower", "front", "rear", "left", "right" and "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description , does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation on the present invention.

As shown in Figures 1-3, the utility model provides a defrosting and dust removal device for an air energy water heater, including:

A support table 1, which is arranged at the bottom of the outdoor heat exchanger 2;

an installation table 3, which is connected to the front side of the support table 1 and protrudes from the air inlet side of the outdoor heat exchanger 2;

A water collecting tank 4 is connected to the left side of the support table 1, the top of the water collecting tank 4 is communicated with the drainage hole at the bottom of the outdoor heat exchanger 2, and the inside of the water collecting tank 4 is provided with an electric heater and Temperature Sensor;

The filter screen 5 is arranged at the air inlet of the outdoor heat exchanger 2 and is parallel to the air inlet side of the outdoor heat exchanger 2. The surrounding of the filter screen 5 exchanges heat with the outdoor heat exchanger through the connecting plate 6. The air inlet side of the device 2 is fixedly connected;

The dust removal roller 7 is horizontally arranged outside the filter screen 5 and parallel to the filter screen 5, and the side wall of the dust removal roller 7 is in contact with the filter screen 5;

The defrost pipe 8 is horizontally arranged in the filter screen 5 and is parallel to the filter screen 5 , and the side of the defrost pipe 8 close to the filter screen 5 is spaced along the length direction of the defrost pipe 8 A plurality of nozzles are provided, any nozzle is perpendicular to the filter screen 5, the defrosting pipe 8 is communicated with the water collecting tank 4 through a telescopic water pipe 9, and a water pump 10 is arranged on the telescopic water pipe 9;

A drive assembly, which is arranged on the installation platform 3, is connected with the dust removal roller 7 and the defrost pipe 8 respectively, and drives the dust removal roller 7 and the defrost pipe 8 along the vertical direction. The direction moves up and down.

In the above technical solution, the direction of the air inlet side of the outdoor heat exchanger 2 is defined as the front side; the support table 1 is set at the bottom of the outdoor heat exchanger 2 to support the outdoor heat exchanger 2 The position is raised, and the left side of the support table 1 is reserved for the accommodating space of the water collecting tank 4; the front side of the support table 1 is provided with an installation table 3, and the installation table 3 protrudes from the air inlet side of the outdoor heat exchanger 2. In order to install the water pump and the drive assembly; the water collecting tank 4 is arranged in the reserved accommodation space on the left side of the support table 1, the top of the water collecting tank 4 is communicated with the drainage hole at the bottom of the outdoor heat exchanger 2, and the inside of the water collecting tank 4 is provided with electric power. Heater and temperature sensor, the water collecting tank 4 is used to collect the water discharged from the drainage hole of the outdoor heat exchanger 2 and heat the water to a preset temperature; the filter screen 5 is arranged at the air inlet of the outdoor heat exchanger 2 and is connected with The air inlet side of the outdoor heat exchanger 2 is parallel, the periphery of the filter screen 5 is fixedly connected to the air inlet side of the outdoor heat exchanger 2 through the connecting plate 6, and the filter screen 5 and the connecting plate 6 form an air inlet channel; the dust removal roller 7 is set horizontally. Outside the filter screen 5 and parallel to the filter screen 5, the side wall of the dust removal roller 7 is in contact with the filter screen 5. The dust removal roller 7 is used to wipe the filter screen 5 in the process of moving downward with the drive assembly, and remove the dust from the filter screen 5. The defrost pipe 8 is horizontally arranged in the filter screen 5 and is parallel to the filter screen 5. The side of the defrost pipe 8 close to the filter screen 5 is provided with a plurality of nozzles along the length direction of the defrost pipe 8. Any nozzle is connected to the filter screen 5. The net 5 is vertical, and the defrosting pipe 8 is communicated with the bottom of the water collecting tank 4 through the telescopic water pipe 9. The water pump 10 is provided on the telescopic water pipe 9. The hot water is sprayed out through the nozzle, impacting and spraying the filter screen 5 to defrost the filter screen.

In the utility model, a filter screen is added at the air inlet of the outdoor heat exchanger, and the filter screen is defrosted by spraying through a defrosting pipe, and the filter screen is dedusted by wiping with a dust removal roller, and the defrosting and dust removal are carried out at the same time, and the time consumption is short. The effect is good, and the heating effect of the air energy water heater in the low temperature and polluted air environment is significantly improved.

In another technical solution, in the air source water heater defrosting and dust removal device, the filter screen 5 and the connecting plate 6 form a hollow cuboid structure with one side open, which is vertically arranged and located in the filter screen 5 The connecting plate 6 on the left is provided with a first slideway, and the connecting plate 6 on the right side of the filter screen 5 is provided with a second slideway 11 , the first slideway and the second slideway 11 are both. The connecting plate 6 is arranged through the connecting plate 6 in the height direction, and the central axes of the first slideway and the second slideway 11 are located on the same vertical plane. The ends pass through the first slideway and the second slideway 11 respectively and are connected to the drive assembly. Here, a specific connection form of the filter screen and the connecting plate and a specific structure of the connecting plate are preferred, so as to realize the connection between the defrost pipe and the driving assembly, and to limit the movement direction of the defrost pipe.

In another technical solution, in the air source water heater defrosting and dust removal device, the drive assembly includes two orbital screws 12, which are respectively disposed on the left and right sides of the filter screen 5, and any orbital screw 12 is vertically The top plate 13 is arranged horizontally above the filter screen 5, and the bottom of the top plate is connected with the two second bearings respectively through two second bearings. The upper ends of the orbital screws 12 are connected in rotation; two threaded sleeves 14 are respectively sleeved on the two orbital screws 12 and are threadedly connected with them, and the front and rear sides of any threaded sleeve 14 are connected to the dust removal roller through the mounting plate 15 7 is connected with the end of the defrosting pipe 8; the forward and reverse motors 16 are arranged on the mounting platform 3 between the two orbital screws 12, and the output ends of the forward and reverse motors 16 are provided with Driving gear 17; Two driven gears 18, which are respectively arranged on the left and right sides of the driving gear 17 and mesh with the driving gear 17, the gear shaft of any driven gear 18 and the mounting platform 3 pass through the first gear. The three bearings are rotatably connected, and the gear shaft and the adjacent orbital screw 12 are driven by a pulley assembly 19 . Here, a specific structure of the drive assembly is preferred. The track screw is matched with the threaded sleeve, and the defrosting tube and the dust removal roller are fixedly connected with the threaded sleeve. The track screw is connected by the positive and negative motors, the driving gear, the driven gear and the The pulley assembly drives and rotates synchronously to realize the synchronous and stable movement of the defrost tube and the dust removal roller.

In another technical solution, in the air source water heater defrosting and dust removal device, the dust removal roller 7 includes an upper dust removal roller 71 and a lower dust removal roller 72, and the upper dust removal roller 71 is located above the defrosting pipe 8, The lower dust removal roller 72 is located below the defrosting tube 8, the upper dust removal roller 71 is a sponge roller, the lower dust removal roller 72 is a brush roller, and the upper dust removal roller 71 and the lower dust removal roller Both ends of 72 are respectively connected to the mounting plate 15 in rotation through a fourth bearing. Here, the lower dust removal roller is mainly used to remove the dust on the filter screen, and the upper dust removal roller is mainly used to absorb the residual water on the filter screen to make the filter screen cleaner.

In another technical solution, in the air source water heater defrosting and dust removal device, the front side of the water collecting tank 4 is flush with the front side of the installation platform 3 , and the bottom of the water collecting tank 4 is rear up, front down The top of the part of the water collecting tank 4 protruding from the air inlet side of the outdoor heat exchanger 2 is provided with an opening and a cover plate matching the opening, and the interior of the water collecting tank 4 is provided with a vertical The filter plate provided, the filter plate is arranged below the opening and is connected with the inner wall of the water collecting tank 4 in a sliding up and down manner, and the filter plate divides the interior of the water collecting tank 4 into a front part and a rear part, so The electric heater and the temperature sensor are arranged in the rear part, and the water inlet end of the telescopic water pipe 9 is arranged in the front part. Here, a specific structure of the water collection tank is preferred, so that the water in the water collection tank is filtered by the filter plate and then sprayed out through the nozzle to avoid blocking the nozzle, and at the same time, it is convenient to replace the filter plate and clean the water collection tank.

In another technical solution, in the air source water heater defrosting and dust removal device, the lower part of the filter screen 5 is sealed and extends downward and forward to form an arc-shaped wiper plate 51, so that the dust removal roller can move down to the filter screen 5. When the net is in the lower part, the distance with the arc-shaped wiper becomes smaller and smaller, so that the dust removal roller can discharge the excess water in the dust removal roller under the action of extrusion, so as to realize the extrusion and dehydration of the dust removal roller.

Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the description and the embodiments, and can be applied to various fields suitable for the present invention. For those skilled in the art, Additional modifications may readily be implemented, therefore, the invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the appended claims and the scope of equivalents.

Claims (6)

1. Air can water heater defrosting dust collector, its characterized in that includes:

the support table is arranged at the bottom of the outdoor heat exchanger;

the mounting table is connected with the front side of the support table and protrudes out of the air inlet side of the outdoor heat exchanger;

the water collecting tank is connected with the left side of the supporting table, the top of the water collecting tank is communicated with a drain hole at the bottom of the outdoor heat exchanger, and an electric heater and a temperature sensor are arranged inside the water collecting tank;

the filter screen is arranged at the air inlet of the outdoor heat exchanger and is parallel to the air inlet side of the outdoor heat exchanger, and the periphery of the filter screen is fixedly connected with the air inlet side of the outdoor heat exchanger through a connecting plate;

the dust removing roller is horizontally arranged outside the filter screen and is parallel to the filter screen, and the side wall of the dust removing roller is abutted to the filter screen;

the defrosting pipe is horizontally arranged in the filter screen and is parallel to the filter screen, a plurality of spray heads are arranged on one side of the defrosting pipe close to the filter screen at intervals along the length direction of the defrosting pipe, any spray head is vertical to the filter screen, the defrosting pipe is communicated with the water collecting tank through a telescopic water pipe, and a water pump is arranged on the telescopic water pipe;

the driving assembly is arranged on the mounting table and is respectively connected with the dust removing roller and the defrosting pipe and drives the dust removing roller and the defrosting pipe to move up and down along the vertical direction.

2. The air can water heater defrosting dust collector of claim 1, wherein the filter screen and the connecting plate form a hollow cuboid structure with one side open, the hollow cuboid structure is vertically arranged, a first slide is arranged on the connecting plate on the left side of the filter screen, a second slide is arranged on the connecting plate on the right side of the filter screen, the first slide and the second slide both penetrate through the connecting plate along the height direction of the connecting plate, the central axes of the first slide and the second slide are located on the same vertical plane, and two ends of the defrosting pipe respectively penetrate out of the first slide and the second slide to be connected with the driving assembly.

3. The defrosting and dedusting device of an air energy water heater according to claim 2, wherein the driving assembly comprises two track screws which are respectively arranged at the left side and the right side of the filter screen, any track screw is vertically arranged, and the lower end of the track screw is rotatably connected with the mounting table through a first bearing; the top plate is horizontally arranged above the filter screen, and the bottom of the top plate is respectively and rotatably connected with the upper ends of the two track screw rods through two second bearings; the front side and the rear side of any threaded sleeve are connected with the dust removing roller and the end part of the defrosting pipe through mounting plates; the positive and negative motor is arranged on the mounting table between the two track screws, and the output end of the positive and negative motor is provided with a driving gear; the two driven gears are respectively arranged on the left side and the right side of the driving gear and meshed with the driving gear, a gear shaft of any one driven gear is rotatably connected with the mounting table through a third bearing, and the gear shaft and the adjacent track screw are driven through a belt pulley assembly.

4. The defrosting and dedusting device of an air energy water heater according to claim 3, wherein the dedusting rollers comprise an upper dedusting roller and a lower dedusting roller, the upper dedusting roller is located above the defrosting pipe, the lower dedusting roller is located below the defrosting pipe, the upper dedusting roller is a sponge roller, the lower dedusting roller is a brush roller, and two ends of the upper dedusting roller and two ends of the lower dedusting roller are respectively rotatably connected with the mounting plate through a fourth bearing.

5. The defrosting and dedusting device of an air energy water heater according to claim 1, wherein the front side of the water collecting tank is flush with the front side of the mounting table, the bottom of the water collecting tank is inclined from the top to the bottom, the top of the part of the water collecting tank protruding out of the air inlet side of the outdoor heat exchanger is provided with an opening and a cover plate matched with the opening, the inside of the water collecting tank is provided with a vertically arranged filter plate, the filter plate is arranged below the opening and is in up-and-down sliding connection with the inner wall of the water collecting tank, the filter plate divides the inside of the water collecting tank into a front part and a rear part, the electric heater and the temperature sensor are arranged at the rear part, and the water inlet end of the telescopic water pipe is arranged at the front part.

6. The air energy water heater defrosting and dedusting device as claimed in claim 1, wherein the lower part of the filter screen is sealed and extends downwards and forwards to form an arc-shaped water scraping plate.

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