CN216481295U - Novel fan coil - Google Patents

Abstract

The utility model discloses a novel fan coil unit, which comprises a coil unit, a water receiving tray is arranged below the plate, the water receiving tray is connected to a collecting pipe through a pipeline, and limit frames are arranged on the front and rear sides of the water receiving tray to limit the The slot-shaped hole is arranged in the position frame, the inner side of the slot-shaped hole is provided with a rack, and the middle part of the slot-shaped hole is provided with an intermediate plate, a gear is rotatably connected between the intermediate plate and the limit frame, and the power rod is provided with a cleaning The roller, the front end of the power rod is connected to the motor, the upper end of the middle plate is slidably connected to a moving block, the left side of the moving block is connected to a pull wire, the pull wire is connected to the piston in the piston cylinder after bypassing the fixed pulley, and the left side of the piston is connected to a spring, The right end of the piston cylinder is connected with the water suction pipe and the drain pipe. The utility model can drive the cleaning roller to switch between the lower side of the coil pipe and the bottom of the water receiving tank through the setting of the limit frame and the middle plate, so that the lower side can be cleaned in all directions. , use the water flow for flushing, flush the ash inside the coil into the water receiving tray, and improve the heat exchange effect of the coil.

Description

A new type of fan coil

technical field

The utility model relates to the field of fan coil units, in particular to a novel fan coil unit.

Background technique

Fan coil unit is referred to as fan coil unit. It is one of the end devices of the air conditioning system composed of small fans, motors and coils (air heat exchangers). When the chilled water or hot water flows through the coil tube, it exchanges heat with the air outside the tube, so that the air is cooled, dehumidified or heated to adjust the indoor air parameters. It is a commonly used cooling and heating terminal device.

The Chinese patent discloses a fan coil unit that facilitates dust removal, (authorized announcement number CN212457169U). The patented technology can electrically remove dust from the fan coil unit, which greatly saves labor. At the same time, the dust is vacuumed without manual cleaning. The improvement of labor quality is easy to promote, but the lack of effective cleaning of the fine dust in the suction coil reduces the heat exchange efficiency of the coil. Therefore, those skilled in the art provide a novel fan coil unit to solve the above-mentioned problems in the background art.

Utility model content

In order to solve the above technical problems, the utility model provides a novel fan coil unit, which includes a coil, a water receiving tray is arranged below the plate, and the water receiving tray is connected to the collecting pipe through a pipeline; the front and rear sides of the water receiving tray are provided with The limit frame is provided with a slot-shaped hole, the inner side of the slot-shaped hole is provided with a rack, and the middle of the slot-shaped hole is provided with an intermediate plate, and the left and right ends of the intermediate plate are fixed on the water receiving plate through the extension frame. A gear is rotatably connected between the middle plate and the limit frame, the gear and the power rod are coaxially arranged, the power rod is provided with a cleaning roller, the front end of the power rod is connected to a motor, and the motor is slidably connected to the outer surface of the middle plate;

The upper end of the middle plate is slidably connected with a moving block, the left side of the moving block is connected with a pull wire, and the pull wire is connected to the piston in the piston cylinder after bypassing the fixed pulley, the left side of the piston is connected with a spring, and the right end of the piston cylinder is connected with a water suction pipe and a drain The upper end of the drain pipe is connected to several water spray pipes through the reversing valve.

Preferably: a one-way valve is installed at the suction pipe and the drain pipe, and the direction of the one-way valve is opposite.

Preferably: the lower end of the suction pipe is connected to a filter screen cover, and the filter screen cover is located at the bottom of the water receiving tank.

Preferably, there are several water spray pipes perpendicular to the wind direction, the water spray pipes are located above the coil pipes, and the gaps of the coil pipes are flushed to clean up the falling ash.

Preferably: the lower end of the moving block is fixed with a T-shaped rod, the rear side of the moving block is fixed with a convex block, and the convex block and the T-shaped rod are respectively slidably connected in the chute of the limit frame and the middle plate, so as to avoid the moving block in the sliding groove. Deflection occurs during movement.

Preferably: the left side of the moving block is provided with an arc-shaped notch, and the side of the motor away from the middle plate is arc-shaped, which is convenient for disengagement when reaching the end.

Preferably: the motor is electrically connected to the reversing valve and the fan to control the cleaning process.

Preferably, a moving frame is rotatably connected to the side of the gear facing the middle plate, and the moving frame is connected with two rollers in a herringbone shape, and rolls and slides on the middle plate to reduce friction during movement.

Technical effects and advantages of the present utility model:

1. The utility model can drive the cleaning roller to switch between the lower side of the coil tube and the bottom of the water receiving tank through the setting of the limit frame and the middle plate, so as to clean the lower side in all directions.

2. The utility model utilizes water flow for flushing, and flushes the ash from the inside of the coil into the water-receiving pan, thereby improving the heat exchange effect of the coil.

Description of drawings

Fig. 1 is the explosion structure schematic diagram of a kind of novel fan coil unit provided by the first embodiment of the present application;

2 is a schematic structural diagram of a motor in a novel fan coil unit provided in Embodiment 1 of the present application;

3 is a schematic structural diagram of a spring in a novel fan coil unit provided in Embodiment 1 of the present application;

4 is a schematic structural diagram of a limit frame in a novel fan coil unit provided in Embodiment 1 of the present application;

5 is a schematic structural diagram of a moving block in a novel fan coil unit provided in Embodiment 1 of the present application;

6 is a schematic structural diagram of a moving frame in a novel fan coil unit provided in Embodiment 2 of the present application;

In the picture: 1. Coil pipe; 2. Water receiving plate; 3. Limiting frame; 4. Intermediate plate; 5. Water receiving tank; 6. Cleaning roller; 7. Power rod; 8. Gear; 9. Motor; 10. fixed pulley;

11, cable; 12, piston cylinder; 13, piston; 14, spring; 15, suction pipe; 16, drain pipe; 17, reversing valve; 18, water spray pipe; 19, moving frame; 20, moving block.

Detailed ways

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for the design of various embodiments with various modifications as are suited to the particular use.

Example 1

Referring to FIGS. 1 to 5 , in this embodiment, a new type of fan coil unit is provided, including a coil unit 1 , a water receiving tray 2 is arranged below the plate 1 , and the water receiving tray 2 is connected to a collecting pipe through a pipeline; The front and rear sides of the disk 2 are provided with limit frames 3, the limit frames 3 are provided with slot-shaped holes, the inner side of the slot-shaped holes is provided with a rack, the middle of the slot-shaped holes is provided with an intermediate plate 4, and the left and right sides of the intermediate plate 4 are provided. Both ends are fixed on the water receiving tray 2 through the extension frame, a gear 8 is rotatably connected between the intermediate plate 4 and the limit frame 3, the gear 8 is coaxially arranged with the power rod 7, and the power rod 7 is provided with a cleaning roller 6 , the front end of the power rod 7 is connected to the motor 9, and the motor 9 is slidably connected to the outer surface of the intermediate plate 4;

The upper end of the intermediate plate 4 is slidably connected with a moving block 20, the left side of the moving block 20 is connected with a pull wire 11, the pull wire 11 is connected to the piston 13 in the piston cylinder 12 after bypassing the fixed pulley 10, and the left side of the piston 13 is connected with a spring 14 , the right end of the piston cylinder 12 is connected to the suction pipe 15 and the drain pipe 16, the suction pipe 15 and the drain pipe 16 are both installed with a one-way valve, the direction of the one-way valve is opposite, the lower end of the suction pipe 15 The net cover is located at the bottom of the water receiving tank 5, and the upper end of the drain pipe 16 is connected to a plurality of water spray pipes 18 through the reversing valve 17. Above, flush the gap of the coil 1 to clean up the ash;

The lower end of the moving block 20 is fixed with a T-shaped rod, and the rear side of the moving block 20 is fixed with a convex block. The convex block and the T-shaped rod are respectively slidably connected in the chute of the limit frame 3 and the intermediate plate 4 to avoid moving the block. 20 is deflected during the moving process, the left side of the moving block 20 is provided with an arc-shaped notch, and the side of the motor 9 away from the intermediate plate 4 is arc-shaped, which is convenient for disengaging when it reaches the end, and the motor 9 is electrically Connect the reversing valve 17 and the fan to control the cleaning process.

The working principle of the utility model is as follows: when in use, the temperature is adjusted through the coil pipe, the condensed water falls into the water receiving tray 2, is collected in the water receiving tank 5, and is discharged from the collecting pipe after reaching a certain water level.

The operation of the motor 9 drives the power rod 7, the gear 8 and the cleaning roller 6 to rotate. When the gear 8 is located on the lower side of the intermediate plate 4, the gear 8 engages with the rack of the limit frame 3 and drives the power rod 7 to move. When it reaches the left end , the power rod 7 is turned to the upper side of the middle plate 4, and the motor 9 continues to work, so that the lower side of the gear 8 slides on the middle plate 4, and the upper side still meshes with the gear 8 and continues to move.

The cleaning roller 6 is driven to move by the motor 9 to clean the bottom of the water pan 2 and the lower side of the coil 1. When the gear 8 is located on the upper side of the intermediate plate 4, the upper side of the motor 9 is pressed on the moving block 20 to drive The moving block 20 moves, the moving block 20 is restricted by the chute and can only move to the right, and then the pulling wire 11 is tightened, and the piston 13 is moved after turning through the fixed pulley 10, the spring 14 is compressed, and the piston cylinder 12 absorbs water through the water suction pipe. The one-way valve of 15 absorbs water, filters the water in the water receiving tank 5 and inhales it. When the moving block 20 reaches the right end, the motor 9 rotates downward, so that the moving block 20 is released from the restriction, and the moving block 20 recovers under the pulling force of the spring 14, and at the same time The piston 13 is compressed, and the water is discharged from the drain pipe 16 into the reversing valve 17. The reversing valve 17 ejects the water from the water spray pipe 18. The water flushes the coil 1 from top to bottom, and flushes the internal ash. In the water receiving tray 2 , the heat exchange effect of the coil 1 is improved. After a period of time, the water spray pipe 18 is switched through the reversing valve 17 to flush different positions of the coil 1 .

Example 2

Referring to FIG. 6 , in this embodiment, a moving frame 19 is rotatably connected to the side of the gear 8 facing the middle plate 4 , and the moving frame 19 is connected to two rollers in a herringbone shape. friction force.

Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art and related fields without creative work shall fall within the protection scope of the present invention. The structures, devices and operation methods that are not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to conventional means in the art.

Claims (8)

1. A novel fan coil comprises a coil (1), wherein a water receiving disc (2) is arranged below the coil (1), the water receiving disc (2) is connected with a collecting pipe through a pipeline, and the novel fan coil is characterized in that limiting frames (3) are arranged on the front side and the rear side of the water receiving disc (2), a groove-shaped hole is formed in each limiting frame (3), a rack is arranged on the inner side of each groove-shaped hole, an intermediate plate (4) is arranged in the middle of each groove-shaped hole, the left end and the right end of each intermediate plate (4) are fixed on the corresponding water receiving disc (2) through extending frames, a gear (8) is rotatably connected between each intermediate plate (4) and each limiting frame (3), the gear (8) and a power rod (7) are coaxially arranged, a cleaning roller (6) is arranged on each power rod (7), the front end of each power rod (7) is connected with a motor (9), and each motor (9) is slidably connected to the outer surface of each intermediate plate (4);

the upper end of the middle plate (4) is connected with a moving block (20) in a sliding mode, the left side of the moving block (20) is connected with a pull wire (11), the pull wire (11) is connected with a piston (13) in a piston cylinder (12) after bypassing a fixed pulley (10), the left side of the piston (13) is connected with a spring (14), the right end of the piston cylinder (12) is connected with a water suction pipe (15) and a water drainage pipe (16), and the upper end of the water drainage pipe (16) is connected with a plurality of water spray pipes (18) through a reversing valve (17).

2. A novel fan coil according to claim 1, characterized in that check valves are installed at the water suction pipe (15) and the water discharge pipe (16), and the direction of the check valves is opposite.

3. The novel fan coil according to claim 1, wherein the lower end of the suction pipe (15) is connected with a filter screen, and the filter screen is located at the bottom of the water receiving tank (5).

4. A new type of fan coil according to claim 1, characterized in that there are several spray pipes (18) perpendicular to the wind direction, the spray pipes (18) being located above the coil (1).

5. The novel fan coil according to claim 1, wherein a T-shaped rod is fixed to the lower end of the moving block (20), a convex block is fixed to the rear side of the moving block (20), and the convex block and the T-shaped rod are slidably connected in sliding grooves of the limiting frame (3) and the middle plate (4) respectively.

6. A novel fan coil according to claim 1, characterized in that the moving block (20) is provided with an arc-shaped notch on the left side, and the side of the motor (9) away from the middle plate (4) is arc-shaped.

7. A new type of fan coil according to claim 1, characterized in that the motor (9) is electrically connected to the reversing valve (17) and the fan.

8. A new type of fan-coil unit according to claim 1, characterized in that the side of the gear (8) facing the intermediate plate (4) is rotatably connected with a moving frame (19), the moving frame (19) is connected with two rollers in a herringbone manner, and the rollers slide on the intermediate plate (4).

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