CN106989443B

CN106989443B - Ceiling machine

Info

Publication number: CN106989443B
Application number: CN201710345680.4A
Authority: CN
Inventors: 凌建平
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2017-05-12
Filing date: 2017-05-12
Publication date: 2023-07-28
Anticipated expiration: 2037-05-12
Also published as: CN106989443A

Abstract

The invention discloses a ceiling machine which comprises a shell, a cross flow wind wheel, a heat exchanger and a water receiving disc. The bottom of the shell is provided with an air inlet with a downward opening, a plurality of accommodating cavities are formed in the shell, and each accommodating cavity is provided with an air outlet with a downward opening and positioned at the periphery of the air inlet; the cross flow wind wheels are correspondingly arranged in the plurality of cavities; the heat exchanger is arranged in the shell and is positioned above the air inlet, and a drainage part extending downwards is arranged on the lower surface of the heat exchanger; the water pan is installed in the air inlet, the water pan comprises a bottom plate, an air inlet area is arranged on the bottom plate, a water receiving area positioned below the drainage part is arranged on the upper surface of the bottom plate, and the air inlet area and the water receiving area are arranged in a staggered mode. The technical scheme of the invention improves the compactness of the arrangement of the internal elements of the ceiling machine.

Description

Ceiling machine

Technical Field

The invention relates to the technical field of air conditioners, in particular to a ceiling machine.

Background

The heat exchange equipment is internally provided with a water receiving disc and a heat exchanger, wherein the water receiving disc is arranged below the heat exchanger, so that when a refrigeration function is implemented, the water receiving disc can receive condensed water generated by the heat exchanger.

For heat exchange devices, the heat exchanger is typically positioned vertically so that the condensate water produced as the air passes through the heat exchanger may flow downwardly to be received by the drip tray.

The vertical placement of the heat exchanger in the existing heat exchange device affects the compactness of the arrangement of the internal elements of the heat exchange device. Through the inventor conception, if the heat exchanger is horizontally arranged, the compactness of the heat exchange equipment can be greatly improved, but the water receiving disc needs to have the functions of water receiving and ventilation. However, the existing water receiving tray still cannot meet the requirements, and the compact assembly of the existing heat exchange equipment is difficult to meet.

Disclosure of Invention

The main purpose of the invention is to provide a ceiling machine, which aims to improve the compactness of the arrangement of internal elements of the existing ceiling machine.

In order to achieve the above object, the present invention provides a ceiling machine, comprising:

the shell is provided with an air inlet with a downward opening at the bottom, a plurality of accommodating cavities are formed in the shell, and each accommodating cavity is provided with an air outlet with a downward opening and positioned at the periphery of the air inlet;

the cross flow wind wheels are correspondingly arranged in the plurality of cavities;

the heat exchanger is arranged in the shell and above the air inlet, and the lower surface of the heat exchanger is provided with a drainage part extending downwards;

the water collector, install in the air intake, the water collector includes the bottom plate, be provided with the air inlet region on the bottom plate, the upper surface of bottom plate is provided with and is located the water receiving region of drainage below, the air inlet region with water receiving region is crisscross to be set up.

Preferably, the air inlet area comprises a plurality of sub-air areas which are distributed at intervals, the water receiving area comprises a plurality of water receiving tanks with upward openings, and the sub-air areas and the water receiving tanks are alternately arranged.

Preferably, the bottom plate has two opposite sides and two opposite ends, the sub-wind areas and the water receiving tank extend from one side to the other side, and the sub-wind areas and the water receiving tank are alternately arranged in the direction from one end to the other end.

Preferably, the heat exchanger comprises a heat exchange tube assembly and fins wrapping the heat exchange tube assembly, the fins form the lower surface of the heat exchanger, the lower surface of the heat exchanger is arranged in a wave shape, and the wave trough of the heat exchanger is located above the water receiving area.

Preferably, the heat exchange tube assembly comprises a plurality of tube sections arranged in parallel, and a plurality of the tube sections are correspondingly positioned above the wave troughs in parallel with the extending direction of the wave troughs.

Preferably, two grooves extending along the extending direction of the water receiving groove are formed in the water receiving groove, a dividing table is formed between the two grooves, and a water drop guiding part is convexly arranged on the dividing table.

Preferably, the number of the water droplet guiding parts is a plurality, and the water droplet guiding parts are arranged at intervals in the extending direction of the dividing table.

Preferably, a balance air grid positioned above the water receiving disc is further arranged in the shell, and the balance air grid comprises a bracket and fan blades; the support comprises two intersected isolation frames, each isolation frame is divided into two sub-supports by the other isolation frame, and each sub-support is provided with an air inlet; the fan blades are rotatably arranged at the air inlet, so that when air flows pass through the air inlet, the fan blades rotate to at least partially shade the air inlet.

Preferably, the sub-bracket comprises two mounting plates extending away from the intersection of the two isolation frames, and the fan blade is rotatably mounted on the two mounting plates.

Preferably, the two ends of the fan blade are provided with rotating parts, and the mounting plate is provided with a shaft hole for mounting the rotating parts.

Preferably, a connection table is convexly arranged at one end of the fan blade, and the fan blade is connected with the rotating shaft through the connection table.

Preferably, a bearing is further installed in the shaft hole, and the rotating part is connected with the bearing.

Preferably, the ceiling machine further comprises a driving mechanism and a control board electrically connected with the driving device, wherein the driving mechanism comprises a plurality of motors correspondingly installed in the accommodating cavity, and the motors are correspondingly connected with the cross flow wind wheel respectively; the control board divides the motors into at least two groups to be respectively connected for independent control.

Preferably, the control board is electrically connected with the plurality of motors respectively, so as to control the plurality of motors respectively.

According to the technical scheme, the four cross-flow wind wheels are arranged in the ceiling machine, the heat exchanger is horizontally placed, the air inlet area and the water receiving area are simultaneously arranged on the water receiving disc, the air inlet area and the water receiving area are arranged in a staggered mode, the water receiving disc has the functions of water receiving, ventilation and air permeability, the heat exchanger can be horizontally placed, and the assembly compactness of heat exchange equipment is improved.

Drawings

In order to more clearly illustrate the embodiments of the present 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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a ceiling fan according to an embodiment of the present invention;

FIG. 2 is a schematic view of a split structure of the bottom shell of FIG. 1 before assembly with a water pan;

FIG. 3 is a schematic view of a first embodiment of the drip tray of FIG. 2;

fig. 4 is a schematic structural view of a second embodiment of the water pan in fig. 2;

FIG. 5 is a schematic view of a third embodiment of the drip tray of FIG. 2;

fig. 6 is a schematic structural view of a fourth embodiment of the drip tray of fig. 2;

fig. 7 is a schematic structural view of a fifth embodiment of the drip tray in fig. 2;

fig. 8 is a schematic structural view of a sixth embodiment of the drip tray of fig. 2;

fig. 9 is a schematic structural view of a seventh embodiment of the drip tray in fig. 2;

fig. 10 is a schematic structural view of an eighth embodiment of the drip tray of fig. 2;

fig. 11 is a schematic structural view of a ninth embodiment of the drip tray in fig. 2;

fig. 12 is a schematic perspective view of the drip tray of fig. 11;

FIG. 13 is an enlarged view of FIG. 12 at A;

FIG. 14 is a view of the assembled position of the bottom shell, drip pan and heat exchanger of FIG. 1;

FIG. 15 is a side view of the drip tray of FIG. 14 assembled with a heat exchanger;

FIG. 16 is an enlarged view of FIG. 15 at B;

FIG. 17 is a schematic view of the air balance grille of FIG. 1;

FIG. 18 is a top view of the air balance grid of FIG. 17;

FIG. 19 is a side view of the air balance grille of FIG. 17;

FIG. 20 is an enlarged view of FIG. 19 at C;

FIG. 21 is a schematic view of the fan blade of FIG. 17;

FIG. 22 is an enlarged view of FIG. 21 at D;

FIG. 23 is a schematic view of the connecting rod of FIG. 17;

FIG. 24 is a schematic view of a first embodiment of a connection between the motor and the electronic control board of FIG. 1;

FIG. 25 is a schematic diagram of a second embodiment of the connection between the motor and the electric control board of FIG. 1;

FIG. 26 is a schematic diagram of a third embodiment of a connection between the motor and the electronic control board of FIG. 1;

fig. 27 is a schematic structural diagram of a fourth embodiment of the connection mode of the motor and the electric control board in fig. 1.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Water receiving tray	11	Bottom plate
12	Air inlet area	13	Water receiving area
				12’	Sub-wind area	13’	Water receiving tank
12a	Through hole	121	Groove
				122	Dividing table	123	Water droplet guide part
20	Shell body	20a	Bottom shell
				20b	Rear cover	20c	Ceiling machine face shell
20	Face-piece	201	Air inlet
				202	Air outlet	30	Heat exchanger
30a	Drainage part	40	Cross flow wind wheel
				60	Motor with a motor housing	80	Balance style grid
80a	Support frame	80b	Fan blade
				80c	Driving device	80d	Rotation part
81	Isolation rack	82	Motor with a motor housing
				83	Connecting rod	81a	Sub-support
811	MountingBoard board	801	Rotating shaft
				802	Limiting cap	803	Connecting table
804	Shaft lever	830	Yielding hole

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The invention provides a ceiling machine.

In the embodiment of the present invention, as shown in fig. 1 and 2, the ceiling machine includes a water pan 10, a housing 20, a heat exchanger 30, and a cross-flow wind wheel 40. The housing 20 has a bottom case 20a, a rear cover 20b and a face case 20c, the bottom case 20a has an air inlet 201 with a downward opening, and a plurality of cavities are formed in the housing 20, each cavity has an air outlet 202 with a downward opening and located at the periphery of the air inlet 201. The cross flow wind wheel 40 is correspondingly arranged in the plurality of cavities; the heat exchanger 30 is disposed in the housing 20 and above the air inlet 201, a drain portion 30a (see fig. 14, 15 and 16) extending downward is disposed on the lower surface of the heat exchanger 30, and the water pan 10 is mounted on the air inlet 201.

Referring to fig. 3 to 12, the water pan 10 includes a bottom plate 11, an air inlet area 12 is disposed on the bottom plate 11, a water receiving area 13 located below the drainage portion 30a is disposed on the upper surface of the bottom plate 11, and the air inlet area 12 and the water receiving area 13 are staggered.

Specifically, referring to fig. 1 and 14, the heat exchanger 30 extends in a horizontal direction and is disposed above the water pan 10. The air inlet area 12 and the water receiving area 13 are arranged on the bottom plate 11 at the same time, and the purpose of the staggered arrangement is that air can pass through the bottom plate 11 from the air inlet area 12, and the water receiving area 13 can also receive condensed water dripped by the heat exchanger, so that the two areas are not mutually influenced.

Specifically, the air inlet area 12 and the water receiving area 13 are simultaneously arranged on the bottom plate 11, and the purpose of the staggered arrangement is that air can pass through the bottom plate 11 from the air inlet area 12, and the water receiving area 13 can also receive condensed water dripped by the heat exchanger, so that the two areas do not affect each other.

Referring to fig. 13, taking an example that the water pan 10 is mounted at the air inlet 201 of the ceiling machine, the water pan 10 can supply air flow from the air inlet 201 into the ceiling machine, and can receive condensed water dropped from the heat exchanger 30.

The air inlet area 12 may be formed by forming a plurality of through holes 12a in the bottom plate 11 (see fig. 4, 5, 6, 8 and 10), the water receiving area 13 includes a plurality of water receiving grooves 13', and a part of the through holes 12a are disposed at the periphery of the water receiving grooves 13'.

The air inlet area 12 may be formed by a plurality of strip-shaped holes (see fig. 3, 7 and 11) formed in the bottom plate 11, and the water receiving area 13 may include a plurality of water receiving grooves 13', with a portion of the water receiving grooves 13' being disposed between the two strip-shaped holes.

The air inlet area 12 may also be formed by bending a strip-shaped hole formed on the bottom plate 11 (refer to fig. 9), the water receiving area 13 includes a plurality of water receiving grooves 13', and part of the water receiving grooves 13' are arranged at the periphery or at two sides of the strip-shaped hole along the bending direction of the strip-shaped hole.

There are a variety of specific embodiments of the drip tray 10, and the following description will be given with reference to the accompanying drawings.

In an embodiment, referring to fig. 3, 5 and 11, the air inlet area 12 includes a plurality of sub-air areas 12 'arranged at intervals, the water receiving area 13 includes a plurality of water receiving grooves 13' with upward openings, and the plurality of sub-air areas 12 'and the plurality of water receiving grooves 13' are alternately arranged.

Defining the sub-wind area 12 'as "a" and the water receiving tank 13' as "b", the plurality of sub-wind areas 12 'and the plurality of water receiving tanks 13' are alternately arranged according to … ababab …. Here, the sub-wind area 12' may be a strip-shaped opening, or may include a plurality of through holes 12a; the water receiving groove 13' may be provided in a strip shape or may be provided in a circular shape.

Further, with continued reference to fig. 3, 5 and 11, the bottom plate 11 has two opposite sides and two opposite ends, the sub-wind areas 12 'and the water receiving groove 13' each extend from one side to the other side, and the sub-wind areas 12 'and the water receiving groove 13' are alternately arranged in a direction from one end to the other end. Here, the description will be given taking the case where the drip tray 10 is substantially square. The drip tray 10 has four sides, which are sequentially named a first side, a second side, a third side, and a fourth side. The first side edge and the third side edge are arranged oppositely, and the second side edge and the fourth side edge are arranged oppositely. The sub-wind areas 12 'and the water receiving grooves 13' all extend in the direction from the first side to the third side, and the sub-wind areas 12 'and the water receiving grooves 13' are alternately arranged in the direction from the second side to the fourth side in an ababab mode.

In another embodiment, on the basis that the sub-wind areas 12' are arranged in a strip-shaped opening, a plurality of the sub-wind areas 12' are communicated or/and a plurality of the water receiving tanks 13' are communicated. The sub-wind areas 12 'are provided with strip-shaped openings so as to be convenient for air flow to pass through (with smaller resistance), and the plurality of sub-wind areas 12' are communicated so as to further reduce the resistance of air flow passing through the bottom plate 11. The water receiving tanks 13' may be independent or may communicate with each other. Of course, in view of convenience of drainage, a plurality of water receiving tanks 13' are preferably communicated.

Referring to fig. 15, the heat exchanger 30 generally includes a heat exchange tube assembly and fins surrounding the heat exchange tube assembly, and the drainage portion 30a is formed of the fins. There are various specific embodiments of the drainage portion 30a. For example, the drainage portion 30a may be formed in a hemispherical shape by partially protruding downward from the lower surface of the fin, or may be formed in a tapered shape by partially protruding downward from the lower surface of the fin. In order to make the collecting effect of the condensed water on the drain portion better, the condensed water is prevented from dropping down from other portions than the drain portion 30a. In a preferred embodiment, the lower surface of the heat exchanger 30 is provided in a wave shape, and the wave trough thereof forms the drainage portion 30a. Because the lower surface of the heat exchanger 30 is provided in a wave shape, all condensed water formed on the lower surface of the heat exchanger 30 gathers toward the drainage portion 30a, and finally drops into the water receiving tank 13' under the guiding action of the drainage portion 30a.

In operation of the refrigeration unit, the refrigerant flows from the tubes of the heat exchange tube assembly, so that as air passes through the heat exchanger 30, condensate water is first formed on the surfaces of the tubes and flows down the fins. In view of this, the drainage portion 30a should preferably be provided directly under the tube body. In this embodiment, the heat exchange tube assembly includes a plurality of tube segments disposed in parallel, and the plurality of tube segments are correspondingly located above the valleys in parallel with the extending direction of the valleys. In this way, the probability of condensate dripping from the intake area 12 can be greatly reduced.

Referring to fig. 13, for the embodiment in which the water receiving groove 13' is a single groove 121, condensed water generated from the heat exchanger may eventually drop to the bottom of the water receiving groove 13', and the condensed water drops to the bottom of the groove due to a certain distance between the bottom of the water receiving groove 13' and the heat exchanger, so that the water drops to the bottom of the groove. After the dividing table 122 is disposed, since the distance between the upper surface of the dividing table 122 and the heat exchanger is smaller than the distance between the bottom of the water receiving tank 13' and the heat exchanger, the splashing phenomenon can be greatly reduced when the water drops drop onto the upper surface of the dividing table 122.

With continued reference to fig. 13, in another preferred embodiment, in order to further reduce the phenomenon of dripping and splashing of the condensed water droplets, the dividing table 122 is provided with a droplet guiding portion 123 protruding thereon.

After the condensed water on the heat exchanger forms water drops, the water drops gradually become larger and finally drop. After the water droplet guiding part 123 is arranged, the water droplet guiding part 123 can be contacted with the water droplet when the water droplet is not dropped, so that the water droplet can be guided into the groove 121.

Referring to fig. 12 and 13, each of the water droplet guiding parts 123 may be a long strip-shaped whole body, or may be a plurality of protrusions (e.g., square protrusions, triangular protrusions, spherical protrusions, columnar protrusions, etc.) arranged at intervals. However, for the whole body provided in the long strip shape, since the water droplet guiding part 123 is subjected to a large temperature difference, it is easy to crack, and even the whole water receiving tray 10 is cracked or broken. Therefore, in view of this, it is preferable that the number of the bead guide portions 123 is plural, and the plural bead guide portions 123 are arranged at intervals in the extending direction of the dividing table 122.

In this way, when the condensed water droplets drop to the droplet guide 123, the condensed water droplets can rapidly spread to the periphery of the droplet guide 123 and flow to the groove 121, and in addition, part of the condensed water droplets can flow from the droplet guide 123 to the dividing table 122 and further flow from the dividing table 122 to the groove 121. In order to facilitate the guiding of the water droplets, in this embodiment, the water droplet guiding portion 123 is arranged in a hemispherical shape. Thus, when the condensed water droplets flow to the hemispherical bead guide 123, the condensed water droplets smoothly flow down along the surface thereof.

In order to make the air output of the ceiling machine more uniform, referring to fig. 1 and 17, in a preferred embodiment, a balance grid 80 located above the water pan 10 is further disposed in the housing 20, the balance grid 80 includes a bracket 80a, a fan blade 80b and a driving device 80c, the bracket 80a includes two intersecting isolation frames 81, each of the isolation frames 81 is divided into two sub-brackets 81a by another one of the isolation frames 81, and each of the sub-brackets 81a is provided with an air inlet opening; the fan blade 80b is installed on the air inlet in a reversible manner; the driving device 80c is mounted on the bracket 80a and connected to the fan blade 80b, so as to drive the fan blade 80b to turn over. The air balance grille 80 is disposed above the heat exchanger.

Specifically, the two isolation frames 81 are divided into four sub-frames 81a after intersecting, each sub-frame 81a is provided with an air inlet opening, and an air area is formed between two adjacent sub-frames 81 a. After the balance grid 80 is installed on the ceiling, each wind area corresponds to one cross flow wind wheel 40.

Regarding the structure of the isolation frame 81, for example, the isolation frame 81 is provided in a plate shape, and the air inlet opening is provided in the plate-shaped isolation frame 81. For another example, the isolation frame 81 is provided in a frame shape, and the frame-shaped isolation frame 81 itself encloses to form an air inlet. For another example, the isolating frame 81 includes two parallel rods, and after the two isolating frames 81 intersect, the rods are connected and fixed with the rods, and the air inlet opening is formed between the two parallel rods.

The fan blade 80b is rotatably mounted in the air inlet opening (not visible), and the fan blade 80b can be freely turned over when the air flow passes through the air inlet opening.

The four cross flow wind wheels 40 of the ceiling machine are woven into a first wind wheel, a second wind wheel, a third wind wheel and a fourth wind wheel, and correspondingly, the four wind areas of the wind balancing grid 10 are woven into a first wind area, a second wind area, a third wind area and a fourth wind area (which are arranged clockwise). Before setting the balance grid 10, four cross-flow wind wheels 40 are operated simultaneously when the ceiling fan is operated. In the case of a stable external air flow, the air flow into the four wind zones is the same per unit time.

For example, when the four cross-flow wind wheels 40 rotate at the same rotation speed, the air output corresponding to each cross-flow wind wheel 40 is 500m ³ If the rotational speed of one of the cross-flow wind wheels 40 (A wind wheel) is increased (the gear is adjusted by a user to increase the air output), the air output corresponding to the A wind wheel can reach 700m ³ After being influenced by the A wind wheel, the speed of the wind wheel is originally 500m ³ The air output corresponding to other cross flow wind wheels 40 of/h can be reduced to 350m respectively ³ /h、400m ³ /h、350m ³ /h。

Under the suction action of the cross-flow wind wheels 40, the air flow flows to the four cross-flow wind wheels 40. When the first wind wheel power is larger and the second wind wheel power is smaller, more airflow directly flows from the second wind area to the fourth wind area. And then the air flow blown out by the air outlet corresponding to the first wind wheel is larger, and the air flow blown out by the air outlets corresponding to the second wind wheel and the fourth wind wheel is extremely small.

When the system detects that the rotation speed of the first wind wheel is high after the air balance grid 80 is arranged, the driving device 80c can drive the fan blades 80b on the two sub-brackets 81a corresponding to the first wind area to turn over, so that the air inlet openings on the two sub-brackets 81a are covered, on the one hand, the air flows in the second wind area and the fourth wind area cannot flow to the first wind area, and the air flow blown out by the second wind wheel and the fourth wind wheel cannot be reduced; on the other hand, since the first wind wheel rotates faster, more airflow flows into the first wind area from the outside.

Therefore, finally, the air flow blown out by the cross flow wind wheel 40 is less affected by the rotation speed of other wind wheels, and the air balance grid 80 has a balancing effect on the air output of four air outlets of the ceiling machine.

Referring to fig. 17 and 18, in order to make the structure of the wind balance grille 80 more compact, and in order to reduce the wind resistance of the wind balance grille 80 itself, in a preferred embodiment, the sub-bracket 81a includes two mounting plates 811 extending away from the intersection of the two isolation brackets 81, and the fan blade 80b is rotatably mounted on the two mounting plates 811. In this case, an air inlet opening is formed between the two mounting plates 811, and the fan blade 80b is rotatably connected to at least one of the mounting plates 811.

Further, on the one hand, the rotation frequency of the fan blade 80b is relatively high, and on the other hand, the action positions of the air flow and the fan blade 80b are often different, so that the fan blade 80b rotates more smoothly, in a preferred embodiment, the two ends of the fan blade 80b are provided with rotating parts 80d, and the mounting plate 811 is provided with shaft holes for mounting the rotating parts 80d. Thus, no matter where the air flow impinges on the fan blade 80b, the fan blade 80b is free to rotate (the fan blade 80b can be freely flipped when the driving motor 82 does not drive the fan blade 10b to rotate).

The driving means 80c may be driven in various ways, as long as the fan blade 80b can be driven to turn over. In one embodiment, the driving device 80c includes a plurality of driving motors 82 mounted on the support 80a, and each driving motor 82 is connected to each fan blade 80b to drive the fan blade 80b to turn. That is, each fan blade 80b is electrically connected with the electric control board of the ceiling machine after being connected in series with all the driving motors 82 on each sub-bracket 81a for one driving motor 82. For example, when one wind wheel rotates at a relatively high speed, the electric control board can be used for adjusting all driving motors 82 on the two sub-brackets 81a of the wind wheel pair to operate, so that air inlets on the two sub-brackets 81a are covered.

In this embodiment, referring to fig. 19 to 23, the driving device 80c includes a motor 82 mounted on each of the sub-frames 81a, and a connecting rod 83 movably connecting the fan blades 80b on each of the sub-frames 81a, wherein the motor 82 on each of the sub-frames 81a is correspondingly connected to a fan blade 80b of the sub-frame 81a, and the connecting rod 83 is used for driving the fan blade 80b to turn over when the driving motor 82 drives the fan blade 80b to turn over.

That is, all the fan blades 80b on each sub-bracket 81a are connected by the same connecting rod 83, the connecting rod 83 is movably connected with each sub-bracket 81a, when one fan blade 80b is driven by the driving motor 82 to turn over, the fan blade 80b can drive the connecting rod 83 to move, and the other fan blades 80b are driven to swing together by the connecting rod 83.

Regarding the linkage between the connecting rod 83 and the fan blade 80b, a shaft 804 is protruding from the inner side of the fan blade 80b, a hole 830 for accommodating the shaft 804 is formed in the connecting rod 83, and the connecting rod 83 drives the fan blade 80b to turn over through the cooperation of the hole 830 and the shaft 804.

In the above embodiment, the shaft 804 is fixed in the relief hole 830, and this fixing is obviously disadvantageous for assembling the connecting rod 83 and the fan blade 80 b. In order to make the assembly of the connecting rod 83 and the fan blade 80b easier and quicker, in this embodiment, the relief hole 830 is in a strip shape extending up and down, a notch communicated with the relief hole 830 is opened on one side of the shaft 804 facing the fan blade 80b, and the notch is disposed at the lower end of the relief hole 830. Thus, the connecting rod 83 and the fan blade 80b are extremely simple and rapid in assembly and disassembly steps.

In another embodiment, referring to fig. 19 and 20, in order to facilitate the installation of the fan blade 80b, a connection platform 803 is protruding at one end of the fan blade 80b, and the rotating shaft 801 is detachably connected to the connection platform 803. Here, the detachable connection between the rotating shaft 801 and the connection platform 803 may be that a threaded hole is provided in the connection platform 803, an external thread is provided at one end of the rotating shaft 102, and the rotating portion 80d is screwed to the connection platform 803 by passing the rotating shaft 801 through the shaft hole. The rotating shaft 801 may be provided with a clasp, and the connecting table is provided with a clasp slot, and the rotating shaft 801 is buckled with the connecting table 803 by inserting the clasp into the clasp slot.

Considering that in the above embodiment, there is a large friction force between the shaft 801 and the shaft hole, and when the difference of the air flow in the two adjacent air areas is not large, the fan blade 80b is difficult to rotate, so the balance of the air output of the air outlet of the ceiling fan is not well regulated by the air balance grid 80. In view of this, in the present embodiment, in order to reduce the frictional resistance of the rotation of the fan blade 80b and to improve the sensitivity of the rotation of the fan blade 80b, a bearing is further installed in the shaft hole, and the bearing is sleeved on the rotating portion 80d.

In another preferred embodiment, referring to fig. 1 and 24 to 27, the ceiling fan further includes a driving mechanism and a control board electrically connected to the driving device, the driving mechanism includes a plurality of motors correspondingly installed in the cavity, and the plurality of motors are correspondingly connected to the through-flow wind wheel respectively; the control board divides the motors into at least two groups to be respectively connected for independent control.

In the embodiment of the invention, the bottom case 10a has a downward air inlet 101, and four cavities are formed in the case 10, each cavity has an air outlet 102 with a downward opening and located at the periphery of the air inlet 101. The cross-flow wind wheel 40 is correspondingly arranged in the four cavities. The driving mechanism comprises four motors 60, and the four motors 60 are respectively and correspondingly connected with the cross-flow wind wheel 40. The control board is electrically connected with the driving mechanism, and divides the four motors 60 into at least two groups for being respectively connected to be independently controlled.

Here, referring to fig. 24 to 27, the four motors 60 may be divided into two groups, three groups, or four groups. The four motors 60 are numbered clockwise as motor number 1, motor number 2, motor number 3 and motor number 4 60. For the two groups, the motors No. 1 and No. 2 60 are connected in series (or in parallel) and then are electrically connected with the control board, and the motors No. 3 and No. 4 are also connected in series (or in parallel) and then are electrically connected with the control board. The motors No. 1 and No. 3 are connected in series (or in parallel) and then are electrically connected with the control board, and the motors No. 2 and No. 4 are also connected in series (or in parallel) and then are electrically connected with the control board; the motor 60 No. 1 is separately and electrically connected with the control board, and the motors 60 No. 2, no. 3 and No. 4 are connected in series (or in parallel) and then electrically connected with the control board.

Because the temperature of the cross-flow wind wheel 40 in the position is lower when the cross-flow wind wheel operates, a user can control the operation modes of the 4 motors 60 in the ceiling machine through the control panel, so that the position of the opened motor 60 relative to the cross-flow wind wheel can meet the user with lower temperature requirements (for example, 25 ℃ or even lower). The orientation of the cross flow wind wheel of the motor 60 which is not started can meet the requirement of users with higher temperature requirements (27 ℃ or above).

For the division into three groups, any two of the four motors 60 may be connected in series (or in parallel) and then electrically connected to the electronic control board, and the other two motors 60 are respectively electrically connected to the electronic control board. Thus, a user can selectively start one of the motors 60 or two motors 60 to operate, and not only can meet different requirements of different users on air supply, but also can achieve the purpose of energy saving.

For the four groups, that is, the control boards are electrically connected to the four motors 60, respectively, so as to control the four motors 60, respectively. Thus, the user can turn on or off any motor 60 according to the requirement to meet the requirement of the user with different directions on the air supply.

By arranging four cross-flow wind wheels 40 in the ceiling machine and connecting at least two groups of the four cross-flow wind wheels 40 through a control board for independent control, a user can selectively open or close the cross-flow wind wheels 40 in all directions so as to meet the requirements of different users on different temperatures.

With continued reference to fig. 2-5, it is contemplated that the simultaneous operation of two opposing cross-flow rotors 40 may rapidly homogenize the indoor temperature, and thus, once the indoor temperature is relatively uniform, it is difficult to meet the different temperature requirements of the user. In view of this, in a preferred embodiment, the control board is electrically connected to the two motors 60 driving the two opposite cross-flow wind wheels 40, respectively, so as to separately control the two motors 60.

Here, the motors No. 1 and No. 3 are individually controlled by the electric control board, and the motors No. 2 and No. 4 are also individually controlled by the control board. The motor No. 1 can be connected with the electric control board after being connected in series (or in parallel) with the motor No. 2, and the motor No. 2 60 and the motor No. four 60 can also be connected with the electric control board after being connected in series (or in parallel). Thus, when the user turns on the motor No. 1 60, the temperature of the position of the cross-flow wind wheel 40 connected with the motor No. 1 60 is relatively low, and the temperature of the region far from the position is relatively high.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. A ceiling fan, comprising:

the water receiving disc is arranged at the air inlet and comprises a bottom plate, an air inlet area is arranged on the bottom plate, a water receiving area positioned below the drainage part is arranged on the upper surface of the bottom plate, and the air inlet area and the water receiving area are arranged in a staggered manner;

the heat exchanger comprises a heat exchange tube assembly and fins wrapping the heat exchange tube assembly, the fins form the lower surface of the heat exchanger, the lower surface of the heat exchanger is arranged in a wave shape, and the wave trough of the heat exchanger is located above the water receiving area.

2. The ceiling machine of claim 1, wherein the air intake area comprises a plurality of sub-air areas arranged at intervals, the water receiving area comprises a plurality of water receiving grooves with upward openings, and the plurality of sub-air areas are alternately arranged with the plurality of water receiving grooves.

3. The ceiling fan of claim 2 wherein the floor has opposite sides and opposite ends, the sub-wind zones and the water receiving trough each extending from one side toward the other, the sub-wind zones and the water receiving trough being alternately disposed in a direction from one end toward the other.

4. A ceiling fan according to claim 3, wherein the heat exchange tube assembly comprises a plurality of tube sections arranged in parallel, a plurality of said tube sections being located correspondingly above said troughs in parallel with the direction of extension of said troughs.

5. A ceiling machine according to claim 3, wherein the water receiving tank is provided with two grooves extending in the extending direction of the water receiving tank, a dividing table is formed between the two grooves, and a water droplet guiding portion is provided on the dividing table in a protruding manner.

6. The ceiling fan according to claim 5, wherein the number of the bead guide portions is plural, and the plurality of bead guide portions are arranged at intervals in the extending direction of the dividing table.

7. The ceiling machine of claim 1 wherein a balance grid is also provided in the housing above the water pan, the balance grid comprising a bracket and fan blades; the support comprises two intersected isolation frames, each isolation frame is divided into two sub-supports by the other isolation frame, and each sub-support is provided with an air inlet; the fan blades are rotatably arranged at the air inlet, so that when air flows pass through the air inlet, the fan blades rotate to at least partially shade the air inlet.

8. The ceiling fan of claim 7, wherein the sub-mount includes two mounting plates extending away from the intersection of the two spacer brackets, the fan blade being rotatably mounted to the two mounting plates.

9. The ceiling fan according to claim 8, wherein the fan blades are provided with rotating parts at both ends, and the mounting plate is provided with shaft holes for mounting the rotating parts.

10. The ceiling fan of claim 9, wherein a connection table is provided at one end of the fan blade, and the fan blade is connected to a rotating shaft through the connection table.

11. The ceiling fan according to claim 9, wherein a bearing is further installed in the shaft hole, and the rotating portion is connected to the bearing.

12. The ceiling fan of claim 1, further comprising a drive device and a control board electrically connected to the drive device, wherein the drive device comprises a plurality of motors correspondingly installed in the cavity, and the motors are correspondingly connected to the cross-flow wind wheel respectively; the control board divides the motors into at least two groups to be respectively connected for independent control.

13. The ceiling fan of claim 12, wherein the control board is electrically connected to the plurality of motors, respectively, to control the plurality of motors, respectively.