CN210070040U - Direct-current brushless air disc with electric heating and purifying functions - Google Patents
Direct-current brushless air disc with electric heating and purifying functions Download PDFInfo
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- CN210070040U CN210070040U CN201920694693.7U CN201920694693U CN210070040U CN 210070040 U CN210070040 U CN 210070040U CN 201920694693 U CN201920694693 U CN 201920694693U CN 210070040 U CN210070040 U CN 210070040U
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Abstract
The utility model discloses a brushless wind dish of direct current with electrical heating and purification performance, including return air case and the wind dish panel beating case rather than the intercommunication, return air mouth department of return air case is provided with the return air clarifier of purification usefulness, the air outlet department of wind dish panel beating case is provided with the PTC electrical heating of accurate adjustment air-out temperature, be provided with the spiral case fan group of drainage usefulness in the return air case. The return air purifier comprises a pre-filtering layer, a PM2.5 filtering layer and a formaldehyde filtering layer. The brushless direct current motor can adjust the rotating speed of the motor in a stepless way, and realizes effective variable air volume adjustment; the heat exchanger dehumidifies or heats, and air outlet department PTC electrical heating can carry out more accurate regulation to air-out temperature, satisfies the load in room, reaches the purification performance to the room air through adopting the return air inlet installation return air clarifier, can promote fan coil's use comfort level and cleanliness factor by a wide margin.
Description
Technical Field
The utility model belongs to wind dish structure field, concretely relates to brushless wind dish of direct current with electrical heating and purification performance.
Background
In buildings in comfortable situations, fan coils are common terminal air delivery devices in air conditioning systems. However, along with the development of society, people put higher requirements on the temperature, the humidity and the cleanliness of indoor air.
Disclosure of Invention
The utility model discloses a solve the problem that prior art exists and propose, its purpose provides a brushless wind dish of direct current with electrical heating and purification performance.
The technical scheme of the utility model is that: the direct-current brushless air disc comprises an air return box and an air disc sheet metal box communicated with the air return box, wherein an air return purifier for purification is arranged at an air return opening of the air return box, PTC electric heating for accurately adjusting air outlet temperature is arranged at an air outlet of the air disc sheet metal box, and a volute fan set for guiding flow is arranged in the air return box.
The return air purifier comprises a pre-filtering layer, a PM2.5 filtering layer and a formaldehyde filtering layer, and the return air sequentially passes through the pre-filtering layer, the PM2.5 filtering layer and the formaldehyde filtering layer to filter out dust, PM2.5 and formaldehyde.
The lower end of the wind disk sheet metal box is provided with a water disk for receiving condensed water.
The width of water tray is greater than the width of wind dish sheet metal box, water tray lateral wall department is provided with the drain pipe that is used for the drainage.
The air return box and the air plate sheet metal box are all box bodies made of galvanized sheets, and the air return box is fixed on the air plate sheet metal box through self-tapping screws.
And a heat exchanger is arranged in the air disc sheet metal box and is communicated with the water pipe through a water dividing and collecting device.
The side wall of the wind disk sheet metal box is provided with a U-shaped bent guard plate, the U-shaped bent guard plate and the outer wall of the wind disk sheet metal box enclose a protection cavity, and the U-shaped copper pipe of the heat exchanger is located in the protection cavity.
And a direct-current brushless motor is arranged in the return air box and drives the volute fan set.
The volute fan set comprises a fan I and a fan II, and two output shafts of the direct current brushless motor are connected with the fan I and the fan II respectively.
The brushless direct current motor can adjust the rotating speed of the motor in a stepless way, and realizes effective variable air volume adjustment; the heat exchanger dehumidifies or heats, and air outlet department PTC electrical heating can carry out more accurate regulation to air-out temperature, satisfies the load in room, reaches the purification performance to the room air through adopting the return air inlet installation return air clarifier, can promote fan coil's use comfort level and cleanliness factor by a wide margin.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention;
wherein:
1 PTC electric heating 2 return air box
3 4 wind dish sheet metal boxes of return air clarifier
6U bent guard board of 5 heat exchanger
7 volute fan set 8 DC brushless motor
9 water tray and 10 water discharge pipes
Blower 71 # I blower 72 # II blower.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples:
as shown in fig. 1 to 3, a dc brushless air plate with electric heating and purifying functions comprises an air return box 2 and an air plate sheet metal box 4 communicated with the air return box 2, an air return purifier 3 for purification is arranged at an air return opening of the air return box 2, a PTC electric heater 1 for accurately adjusting air outlet temperature is arranged at an air outlet of the air plate sheet metal box 4, and a volute fan set 7 for guiding flow is arranged in the air return box 2.
The return air purifier 3 comprises a pre-filtering layer, a PM2.5 filtering layer and a formaldehyde filtering layer, and the return air sequentially passes through the pre-filtering layer, the PM2.5 filtering layer and the formaldehyde filtering layer to filter out dust, PM2.5 and formaldehyde.
The lower end of the air disc sheet metal box 4 is provided with a water disc 9 for receiving condensed water.
The width of water tray 9 is greater than the width of wind dish sheet metal box 4, water tray 9 lateral wall department is provided with drain pipe 10 that is used for the drainage.
The air return box 2 and the air plate sheet metal box 4 are both boxes made of galvanized sheets, and the air return box 2 is fixed on the air plate sheet metal box 4 through self-tapping screws.
And a heat exchanger 5 is arranged in the air disc sheet metal box 4, and the heat exchanger 5 is communicated with a water pipe through a water dividing and collecting device.
The U-shaped bent guard plate 6 is arranged on the side wall of the wind disk sheet metal box 4, the U-shaped bent guard plate 6 and the outer wall of the wind disk sheet metal box 4 enclose a protection cavity, and the U-shaped copper pipe of the heat exchanger 5 is located in the protection cavity.
And a direct current brushless motor 8 is arranged in the air return box 2, and the direct current brushless motor 8 drives a volute fan set 7.
The volute fan set 7 comprises a fan 71I and a fan 72 II, and two output shafts of the direct current brushless motor 8 are connected with the fan 71I and the fan 72 II respectively.
The PTC heater 1 is a commercially available heater, has constant temperature heating characteristics, and is based on the principle that after the PTC heating sheet is electrified, the resistance value is increased to enter a jump zone through self-heating, the surface temperature of the PTC heating sheet keeps a constant value, and the temperature is only related to the Curie temperature and the applied voltage of the PTC heating sheet and is basically unrelated to the ambient temperature.
PTC electrical heating 1 fixes in wind dish air outlet department, can be to the more accurate regulation of air-out temperature, can avoid winter the inside water of coil pipe to freeze simultaneously.
The air return box 2 is a box body made of galvanized sheets, the size of the air return box body is the same as that of the air plate body in width and height, and the rear side of the air return box is free of a baffle and is fixed on the body of the air plate sheet metal box by virtue of self-tapping screws.
The return air purifier 3 is arranged at an air return opening of the air disc and comprises a pre-filtering layer, a PM2.5 filtering layer and a formaldehyde filtering layer, so that dust, PM2.5 and formaldehyde in the air can be filtered, and meanwhile, ozone harm cannot be generated.
The air disk sheet metal box 4 and the air return box are made of galvanized materials, so that air which is to enter the box body from the outside is separated, and the coil pipe is protected.
The heat exchanger 5 is made of a copper tube hydrophilic aluminum foil material, the end plate is an aluminum-plated zinc plate, the structure is a double-row tube hot-cross structure, and the water collecting and distributing device is connected with a water tube and can play a role in uniformly distributing water flow.
The bent backplate 6 of U is the backplate of zinc-plated material, is the crooked outside of the wind dish U that the metal-sheet box stretched out outward to the cuboid form knot, plays the guard action to the bent copper pipe part of heat exchange U, prevents that the U is bent to be bruised.
No. I fan 71 and No. II fan 72 in the volute fan set 7 are respectively arranged on two sides of the motor and are in direct connection with output shafts on two sides of the wind disc motor, and therefore uniform air supply to the coil pipe can be achieved.
The direct current brushless motor 8 can be connected with an optional temperature controller to control the start and stop of the air disc.
The water tray 9 is wider than the width of the sheet metal box, a slope and a trapezoidal groove are formed near the drain pipe 10, so that the condensed water can be discharged smoothly, and the PE heat-insulating layer is attached to the bottom plate of the water tray to play a role in preventing cold bridges and bottom surface condensation.
The working principle of the utility model is as follows:
the return air of the return air interlayer is filtered by the return air purifier 3, enters the return air box 2 of the air disc, is cooled and dehumidified (heated) by cold water (hot water) communicated with a coil of the heat exchanger 5, is sent out of the air disc by the volute fan set 7 driven by the direct-current brushless motor 8, and is heated at the air outlet of the air disc through the PTC electric heating 1 in winter. The condensed water produced by temperature reduction and dehumidification falls into the water tray 9 and is discharged through a drain pipe 10.
The brushless direct current motor can adjust the rotating speed of the motor in a stepless way, and realizes effective variable air volume adjustment; the heat exchanger dehumidifies or heats, and air outlet department PTC electrical heating can carry out more accurate regulation to air-out temperature, satisfies the load in room, reaches the purification performance to the room air through adopting the return air inlet installation return air clarifier, can promote fan coil's use comfort level and cleanliness factor by a wide margin.
Claims (9)
1. The utility model provides a brushless wind dish of direct current with electrical heating and purification performance, includes return air case (2) and wind dish sheet metal box (4) rather than the intercommunication, its characterized in that: the air return device is characterized in that an air return purifier (3) for purification is arranged at an air return opening of the air return box (2), a PTC electric heater (1) for accurately adjusting the air outlet temperature is arranged at an air outlet of the air disc sheet metal box (4), and a volute fan set (7) for guiding flow is arranged in the air return box (2).
2. The dc brushless air disk with electric heating and purifying functions as claimed in claim 1, wherein: the return air purifier (3) comprises a pre-filtering layer, a PM2.5 filtering layer and a formaldehyde filtering layer, and the return air sequentially passes through the pre-filtering layer, the PM2.5 filtering layer and the formaldehyde filtering layer to filter dust, PM2.5 and formaldehyde.
3. The dc brushless air disk with electric heating and purifying functions as claimed in claim 1, wherein: and a water tray (9) for receiving condensed water is arranged at the lower end of the wind tray sheet metal box (4).
4. The dc brushless air disk with electric heating and purifying functions as claimed in claim 3, wherein: the width of water tray (9) is greater than the width of wind dish sheet metal box (4), water tray (9) lateral wall department is provided with drain pipe (10) that are used for the drainage.
5. The dc brushless air disk with electric heating and purifying functions as claimed in claim 1, wherein: the air return box (2) and the air plate sheet metal box (4) are all boxes made of galvanized plates, and the air return box (2) is fixed on the air plate sheet metal box (4) through self-tapping screws.
6. The dc brushless air disk with electric heating and purifying functions as claimed in claim 1, wherein: and a heat exchanger (5) is arranged in the wind disc sheet metal box (4), and the heat exchanger (5) is communicated with a water pipe through a water dividing and collecting device.
7. The dc brushless air disk with electric heating and purifying functions as claimed in claim 6, wherein: the U-shaped bent protection plate (6) is arranged on the side wall of the wind disc sheet metal box (4), the U-shaped bent protection plate (6) and the outer wall of the wind disc sheet metal box (4) are enclosed to form a protection cavity, and the U-shaped copper pipe of the heat exchanger (5) is located in the protection cavity.
8. The dc brushless air disk with electric heating and purifying functions as claimed in claim 1, wherein: and a direct-current brushless motor (8) is arranged in the air return box (2), and the direct-current brushless motor (8) drives the volute fan set (7).
9. The dc brushless air disk with electric heating and purifying functions as claimed in claim 8, wherein: the volute fan set (7) comprises a fan I (71) and a fan II (72), and two output shafts of the direct-current brushless motor (8) are connected with the fan I (71) and the fan II (72) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694693.7U CN210070040U (en) | 2019-05-16 | 2019-05-16 | Direct-current brushless air disc with electric heating and purifying functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920694693.7U CN210070040U (en) | 2019-05-16 | 2019-05-16 | Direct-current brushless air disc with electric heating and purifying functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210070040U true CN210070040U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920694693.7U Active CN210070040U (en) | 2019-05-16 | 2019-05-16 | Direct-current brushless air disc with electric heating and purifying functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306647A (en) * | 2020-03-30 | 2020-06-19 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
-
2019
- 2019-05-16 CN CN201920694693.7U patent/CN210070040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306647A (en) * | 2020-03-30 | 2020-06-19 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN111306647B (en) * | 2020-03-30 | 2024-03-08 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
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