Air door structure and ceiling electric appliance with same

Abstract

The utility model provides an air door structure and a ceiling electric appliance with the same, and relates to the technical field of electric appliances. The air door structure comprises an air door assembly, the air door assembly comprises at least one air door, the air door is provided with a driving end and a movable end which are oppositely arranged, and the air door is rotatably arranged; the driving assembly at least comprises a driving part and a flexible part, one end of the flexible part is connected with an output shaft of the driving part, the other end of the flexible part is connected with the driving end, the output shaft rotates, the winding length of the flexible part on the output shaft is adjusted, then the distance between the driving end and the output shaft is adjusted, and therefore the air door is driven to rotate. When the air door structure is applied to the electric appliance, opening and closing of the air outlet and the ventilation opening of the electric appliance can be adjusted through the air door structure, and the cost of the electric appliance is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, and in particular to a damper structure and a ceiling appliance having the same. Background Art

[0002] Common ceiling appliances include air conditioners, bathroom heaters, fresh air blowers, ventilation fans and other devices. Ceiling appliances are usually composed of a box, duct components and fan components arranged inside the box. Among them, the performance of ceiling appliances is mainly affected by the size and volume of the fan component and duct component inside the box.

[0003] For example, a bathroom heater is a common indoor heating device whose main function is to increase the temperature of the bathroom by electrically heating the air. A bathroom heater usually consists of a housing, a fan, a heater, and other parts. The air volume and other performance of the bathroom heater are mainly affected by the size of the fan inside the housing. Since many indoor rooms now use plaster or large-board ceilings, many bathroom heaters are installed before or at the same time as the ceiling is installed. There is a linear bathroom heater in the existing technology that uses a technical solution that places the fan's axial direction horizontally. The bathroom heater can be installed after the ceiling is installed. However, due to the limited height of the ceiling space, the fan size is limited, and the air volume of a single fan is limited. Therefore, two fans are usually installed to supply air (exhaust air) to the room, and another fan is required for ventilation. Therefore, this type of linear bathroom heater often has three fans.

[0004] Based on the problems existing in the existing technology, the linear bathroom heater is equipped with a large number of fans and the cost of the bathroom heater is high.

[0005] To address the above issues, no effective solutions have been proposed so far. Utility Model Content

[0006] The main purpose of the utility model is to provide a damper structure and a ceiling appliance having the same, so as to solve the problem in the prior art that multiple fans are provided, which increases the cost of the appliance.

[0007] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a damper structure is provided, including: a damper assembly, the damper assembly includes at least one damper, the damper has a driving end and a movable end relatively arranged, and the damper is rotatably arranged; a driving assembly, the driving assembly includes at least a driving member and a flexible member, one end of the flexible member is connected to the output shaft of the driving member, and the other end of the flexible member is connected to the driving end, wherein the output shaft rotates to adjust the winding length of the flexible member on the output shaft, and then adjusts the distance between the driving end and the output shaft, thereby driving the damper to rotate.

[0008] Furthermore, the damper assembly includes a first damper and a second damper that are rotatably connected, the first damper having a first driving end and a first movable end, the second damper having a second driving end and a second movable end, one end of the flexible member being connected to the output shaft of the driving member, and the other end of the flexible member being connected to at least one of the first driving end and the second driving end, wherein the output shaft rotates to adjust the winding length of the flexible member on the output shaft, and then adjusts the distance between at least one of the first driving end and the second driving end and the output shaft, thereby adjusting the angle between the first damper and the second damper.

[0009] Furthermore, there are two flexible members, the first ends of the two flexible members are connected to the output shaft of the driving member, the second end of one flexible member is connected to the first driving end, and the second end of the other flexible member is connected to the second driving end.

[0010] Furthermore, there are two driving members, and the driving members and the flexible members are arranged in a one-to-one correspondence, one of the driving members is connected to one of the flexible members, and the other driving member is connected to the other flexible member.

[0011] Furthermore, the damper structure further includes: an elastic member, one end of the elastic member is connected to the first driving end, and the other end of the elastic member is connected to the second driving end.

[0012] Furthermore, the first damper and the second damper are both hinged to the damper rotating shaft, the distance between the damper rotating shaft and the first driving end is smaller than the distance between the damper rotating shaft and the first movable end, and the distance between the damper rotating shaft and the second driving end is smaller than the distance between the damper rotating shaft and the second movable end.

[0013] According to another aspect of the present invention, a ceiling appliance is provided, comprising: a shell, the shell having an air duct, the shell also having an air outlet and a ventilation port, the air outlet and the ventilation port being connected to the air duct; wherein a damper structure is provided in the air duct, the damper structure is the above-mentioned damper structure, the damper assembly has a first state and a second state, when the damper assembly is in the first state, the damper assembly blocks the ventilation port and opens the air outlet, and when the damper assembly is in the second state, the damper assembly blocks the air outlet and opens the ventilation port.

[0014] Furthermore, the shell includes a first shell and a second shell, and the second shell is detachably connected to the first shell. When the first shell is connected to the second shell, the first shell and the second shell jointly enclose an air outlet duct, wherein the damper structure is arranged in the first shell, and the air outlet and the ventilation port are both opened on the first shell.

[0015] Furthermore, the ceiling appliance also includes: a shielding member, which is arranged near the ventilation port, and the distance between the shielding member and the bottom of the first shell is greater than the maximum distance between the ventilation port and the bottom of the first shell, and the shielding member is connected to at least one of the first shell, the damper assembly, and the second shell; when the damper assembly is in the first state, the damper assembly and the shielding member jointly block the ventilation port.

[0016] Furthermore, the air duct includes at least two volute air ducts and a connecting air duct, and the two volute air ducts are connected through the connecting air duct, wherein the air outlet and the air exchange port are both connected to the connecting air duct, and a damper structure is provided in the connecting air duct.

[0017] Further, the air duct includes at least one volute air duct, and the at least one volute air duct includes an air duct body and a spliced air duct, the air duct body has an opening, the spliced air duct has an avoidance position away from the opening, and the spliced air duct has a blocking position for blocking at least part of the opening. When the spliced air duct is in the blocking position, at least part of the spliced air duct protrudes from the shell setting.

[0018] By applying the technical solution of the present invention, by driving the damper to rotate, it is possible to achieve the shielding and diversion of airflow in various directions passing through the surface of the damper, and then to achieve the opening and closing control of structures such as the air outlet and ventilation port near the damper, thereby reducing the number of fans used in ceiling appliances, reducing costs and saving space inside the shell. In this case, the damper is connected to the output end of the driving member through a flexible member. The flexible member has good toughness and can provide stable support and stretching force, so that the damper rotates smoothly and extends its service life. When the damper structure in this case is applied to an appliance with air outlet and / or ventilation functions, the damper structure can be used to adjust the opening and closing of the air outlet and ventilation port of the appliance, so that the appliance can use a smaller number of fans to achieve normal air outlet and ventilation functions, solving the cost increase problem of appliances in the prior art due to the large number of fans, and effectively reducing the cost of appliances. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting part of this application are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 A structural schematic diagram of an embodiment of the damper structure according to the present utility model is shown;

[0021] Figure 2 A schematic structural diagram of a first embodiment of a ceiling-mounted electrical appliance according to the present utility model is shown;

[0022] Figure 3 A structural diagram of a second embodiment of a ceiling appliance according to the present utility model is shown;

[0023] Figure 4 FIG2 shows a structural diagram of a third embodiment of a ceiling-mounted electrical appliance according to the present utility model;

[0024] Figure 5 FIG2 shows a structural diagram of a fourth embodiment of a ceiling-mounted electrical appliance according to the present utility model;

[0025] Figure 6 A structural schematic diagram of a fifth embodiment of the ceiling appliance according to the present utility model is shown.

[0026] The above drawings include the following reference numerals:

[0027] 1. Shell;

[0028] 10. First housing; 101. Air outlet; 102. Ventilation port;

[0029] 11. Air duct; 111. Volute air duct; 1110. Opening; 1111. Air duct body; 1112. Spliced air duct; 112. Connecting air duct;

[0030] 20. Air door structure;

[0031] 21. Damper assembly; 211. First damper; 2111. First drive end; 2112. First movable end; 212. Second damper; 2121. Second drive end; 2122. Second movable end;

[0032] 22. Drive assembly; 221. Damper rotating shaft; 222. Drive member; 2220. Output shaft; 223. Flexible member; 224. Elastic member;

[0033] 30. Fan Department;

[0034] 40. Second housing; 41. Matching groove;

[0035] 50. Shielding member; 51. First shielding member; 52. Second shielding member. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0037] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0038] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable where appropriate, so that the embodiments of the present application described herein can, for example, be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0039] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in a variety of different forms and should not be interpreted as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of this application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of layers and regions may be exaggerated, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

[0040] like Figure 1 As shown, according to a specific embodiment of the present application, a damper structure is provided.

[0041] Specifically, the damper structure includes a damper assembly 21 and a drive assembly 22. The damper assembly 21 includes at least one damper, which has a driving end and a movable end relatively arranged, and the damper is rotatably arranged; the drive assembly 22 includes at least a driving member 222 and a flexible member 223, one end of the flexible member 223 is connected to the output shaft 2220 of the driving member 222, and the other end of the flexible member 223 is connected to the driving end, wherein the output shaft 2220 rotates to adjust the winding length of the flexible member 223 on the output shaft 2220, and then adjust the distance between the driving end and the output shaft 2220, thereby driving the damper to rotate.

[0042] By applying the technical solution of this embodiment, by driving the damper to rotate, it is possible to achieve the shielding and diversion of airflow in various directions passing through the damper surface, thereby achieving the opening and closing control of structures such as the air outlet and ventilation port near the damper, reducing the number of fans used in the ceiling appliance, reducing costs and saving space inside the shell. In this embodiment, the damper is connected to the output end of the driving member 222 through a flexible member 223. The flexible member 223 has good toughness and can provide stable support and tensile force, so that the damper rotates smoothly and extends its service life. When the damper structure in this embodiment is applied to an appliance with air outlet and / or ventilation functions, the damper structure can be used to adjust the opening and closing of the air outlet and ventilation port of the appliance, so that the appliance can achieve normal air outlet and ventilation functions with a smaller number of fans, solving the cost increase problem of the existing appliance caused by the large number of fans, and effectively reducing the cost of the appliance.

[0043] Specifically, when the damper is rotatably arranged, the rotating axis of the damper can be located on the damper. For example, the rotating axis of the damper can be arranged between the driving end and the movable end of the damper, so that when the driving end rotates around the rotating axis, the movable end is also driven to rotate around the rotating axis. Preferably, the damper is a plate structure, and when the driving end and the movable end rotate around the rotating axis, the driving end and the movable end are always located on the same plane.

[0044] Preferably, the damper assembly 21 includes a first damper 211 and a second damper 212 that are rotatably connected, the first damper 211 having a first driving end 2111 and a first movable end 2112, the second damper 212 having a second driving end 2121 and a second movable end 2122, one end of the flexible member 223 is connected to the output shaft 2220 of the driving member 222, and the other end of the flexible member 223 is connected to at least one of the first driving end 2111 and the second driving end 2121, wherein the output shaft 2220 rotates to adjust the winding length of the flexible member 223 on the output shaft 2220, and then adjust the distance between at least one of the first driving end 2111 and the second driving end 2121 and the output shaft 2220, thereby adjusting the angle between the first damper 211 and the second damper 212. By providing a first damper 211 and a second damper 212 that cooperate with each other, it is possible to block and guide airflow in more directions, increase the adjustment range of the damper structure, reduce the difficulty of controlling a single damper, and improve the overall control efficiency of the damper structure. The provision of two dampers can also provide better wind blocking and wind guiding effects. The changing angles of the two dampers can facilitate the implementation of various airflow diversion methods, improving the practicality of the damper structure.

[0045] In this embodiment, when the driving member 222 drives the output shaft 2220 to rotate, the number of turns of the flexible member 223 wrapped around the output shaft 2220 changes. By adjusting the direction of the output shaft 2220 (i.e., forward and reverse), the first driving end 2111 and the second driving end 2121 can be moved toward the output shaft 2220 or away from the output shaft 2220, so that the first driving end 2111 or the second driving end 2121 rotates, thereby adjusting the angle between the first damper 211 and the second damper 212.

[0046] Furthermore, there are two flexible members 223, the first ends of which are both connected to the output shaft 2220 of the driving member 222. The second end of one flexible member 223 is connected to the first driving end 2111, and the second end of the other flexible member 223 is connected to the second driving end 2121. Using two flexible members 223 to control the first damper 211 and the second damper 212, respectively, can achieve power control of the first damper 211 and the second damper 212, and provide a higher degree of adjustment freedom for the damper assembly 21.

[0047] Preferably, there is one driving member 222, and an output shaft 2220 of the driving member 222 is connected to two flexible members 223. Using one driving member 222 to control two flexible members 223 simultaneously can reduce the cost of the damper structure.

[0048] In this embodiment, when the output shaft 2220 of the driving member 222 rotates, the two flexible members 223 wrapped around the output shaft 2220 change synchronously, so that the first driving end 2111 and the second driving end 2121 both move toward the output shaft 2220, or the first driving end 2111 and the second driving end 2121 both move away from the output shaft 2220.

[0049] Optionally, there are two driving members 222, and the driving members 222 and the flexible members 223 are arranged in a one-to-one correspondence, wherein one driving member 222 is connected to one flexible member 223, and the other driving member 222 is connected to the other flexible member 223. Providing two driving members 222 to control the two dampers separately can make the damper control more convenient.

[0050] Furthermore, the damper structure further includes an elastic member 224, one end of which is connected to the first drive end 2111, and the other end of which is connected to the second drive end 2121. The provision of the elastic member 224 allows the first drive end 2111 and the second drive end 2121 to move to a specified state. The elastic member 224 can cooperate with the flexible member 223 to maintain the current state of the first drive end 2111 and the second drive end 2121, thereby preventing them from swinging and improving the stability of the damper structure.

[0051] Preferably, the elastic member 224 is a torsion spring, and during the rotation of the damper, the elastic member 224 is always in a compressed state.

[0052] Furthermore, the first damper 211 and the second damper 212 are both hingedly connected to the damper rotating shaft 221. The distance between the damper rotating shaft 221 and the first driving end 2111 is smaller than the distance between the damper rotating shaft 221 and the first movable end 2112. The distance between the damper rotating shaft 221 and the second driving end 2121 is smaller than the distance between the damper rotating shaft 221 and the second movable end 2122. This arrangement allows the driving member 222 to switch the position of the damper assembly 21 by only driving the first driving end 2111 and the second driving end 2121 to rotate a small distance. This simplifies the connection between the damper rotating shaft 221 and the driving member 222, reduces the requirements for the driving member 222, and reduces the cost of the damper structure.

[0053] In one embodiment of the present application, at least one of the first damper 211 and the second damper 212 is a straight plate structure, or at least one of the first damper 211 and the second damper 212 is a curved plate structure. That is, the first damper 211 and the second damper 212 can be configured as a straight plate structure or a curved plate structure, both can be configured as straight plates, both can be configured as curved plates, or one damper can be configured as a straight plate structure and the other as a curved plate structure. Configuring the first damper 211 and the second damper 212 as curved plate structures can reduce the amount of airflow that rebounds when it hits the damper structure 20 and also serve as a guide.

[0054] Combine Figures 2 to 6 As shown, according to another specific embodiment of the present application, a ceiling appliance is provided.

[0055] The ceiling appliance includes a shell 1, which has an air duct 11. The shell 1 is also provided with an air outlet 101 and a ventilation port 102, and the air outlet 101 and the ventilation port 102 are both connected to the air duct 11; wherein, a damper structure 20 is provided in the air duct 11, and the damper structure 20 is the above-mentioned damper structure, and the damper assembly 21 has a first state and a second state. When the damper assembly 21 is in the first state, the damper assembly 21 blocks the ventilation port 102 and opens the air outlet 101. When the damper assembly 21 is in the second state, the damper assembly 21 blocks the air outlet 101 and opens the ventilation port 102.

[0056] The air duct 11 includes a volute air duct 111, and a fan unit 30 is arranged in the volute air duct 111. Each fan unit 30 includes a motor and a wind wheel, and the motor drives the wind wheel to rotate. The volute air duct 111 and its corresponding housing part and the fan unit 30 form a fan of the ceiling appliance.

[0057] Applying the technical solution of this embodiment, the air outlet 101 and the ventilation port 102 are both connected to the air duct 11, so that the wind guided out of the air duct 11 can be discharged through the air outlet 101 and can also be discharged through the ventilation port 102. On this basis, a damper structure 20 is set in the air duct 11, and the position of the damper structure 20 is switched to realize the connection between the air duct 11 and the air outlet 101 and the ventilation port 102 respectively. When the damper structure 20 is in the first state, the damper structure 20 will discharge the air from the air outlet 101. 1 is opened, and the ventilation port 102 is closed, that is, the air duct 11 is connected to the air outlet 101. At this time, the ceiling appliance performs blowing or heating work. When the damper structure 20 is in the second state, the damper structure 20 opens the ventilation port 102 and closes the air outlet 101, that is, the air duct 11 is connected to the ventilation port 102. At this time, the ceiling appliance performs ventilation work. By switching the ventilation and blowing of the ceiling appliance by the damper switching method, the first-level fan and its accessory structure can be saved, thereby reducing costs.

[0058] Specifically, the housing 1 includes a first housing 10 and a second housing 40. The second housing 40 is detachably connected to the first housing 10. When the first housing 10 and the second housing 40 are connected, the first housing 10 and the second housing 40 jointly enclose an air outlet 11. The damper structure 20 is disposed within the first housing 10, and the air outlet 101 and the ventilation port 102 are both provided on the first housing 10. The first housing 10 and the second housing 40 are disposed correspondingly and detachably to facilitate installation of components within the housing 1.

[0059] Preferably, the second housing 40 is detachably connected to the first housing 10 along the height direction of the housing 1. In this embodiment, the height direction of the housing 1, also known as the thickness direction of the housing 1, is the axial direction of the fan disposed in the air duct 11. Figure 2-Figure 6 As shown, F1 is the length direction of the shell 1, F2 is the width direction of the shell 1, and F3 is the height direction of the shell 1.

[0060] Furthermore, the ceiling appliance also includes a shielding member 50, which is arranged near the ventilation port 102, and the distance between the shielding member 50 and the bottom of the first shell 10 is greater than the maximum distance between the ventilation port 102 and the bottom of the first shell 10, and the shielding member 50 is connected to at least one of the first shell 10, the damper assembly 21, and the second shell 40; when the damper assembly 21 is in the first state, the damper assembly 21 and the shielding member 50 jointly block the ventilation port 102.

[0061] In this embodiment, the shielding member 50 is set so that when the damper structure 20 is in the first state, the shielding member 50, the damper assembly 21 and the first shell 10 can block the ventilation port 102 together. Figure 3As shown, the shielding member 50 can prevent the airflow in the air duct 11 from entering the ventilation port 102 along the height direction of the shell 1. At this time, the damper assembly 21 does not affect the cross-sectional area of the air duct 11, which can avoid affecting the air output of the fan and thus affecting the performance of the shell assembly.

[0062] Optionally, the shielding member 50 includes a first shielding member 51, which extends along the width of the housing 1. A first end of the first shielding member 51 is connected to the first housing 10, and a second end of the first shielding member 51 is connected to the damper assembly 21. When the damper assembly 21 is in the first state, the first shielding member 51 extends along the width of the housing 1 and, together with the damper assembly 21 and the first housing 10, forms a space with the ventilation port 102 as an opening. The interior of the housing 1 is not connected to the ventilation port 102, and the ceiling appliance is now performing a blowing operation.

[0063] Optionally, the shielding member 50 further includes a second shielding member 52 disposed on the second housing 40. A mating groove 41 is defined on the outer circumference of the second housing 40 along the width direction of the second housing 40. The second shielding member 52 is disposed at one end of the mating groove 41 proximal to the first housing 10 along the height direction of the second housing 40. When the damper assembly 21 is in the first state, the second shielding member 52, the damper assembly 21, and the first housing 10 enclose a space with the ventilation port 102 as the opening. The interior of the housing 1 is not connected to the ventilation port 102, and the ceiling appliance is now performing a blower operation.

[0064] It should be noted that the first shielding member 51 and the second shielding member 52 can be provided separately or simultaneously. When the first shielding member 51 and the second shielding member 52 are provided simultaneously, preferably, the second shielding member 52 and the first shielding member 51 are provided on the second housing 40 and the first housing 10 respectively. When the first housing 10 and the second housing 40 are connected and the damper assembly 21 is in the first state, the first shielding member 51, the second shielding member 52 and the damper assembly 21 jointly block the ventilation port 102.

[0065] Furthermore, the rotation axis of the damper assembly 21 extends along the height direction of the housing 1. This allows the damper assembly 21 to rotate within the first housing 10 around the rotation axis in the height direction of the housing 1, making it easier to switch the damper structure 20 between the first state and the second state. The damper assembly 21 does not affect the cross-sectional area of the air duct 11, thereby avoiding affecting the air output of the appliance.

[0066] Optionally, the air duct 11 includes at least two volute air ducts 111 and a connecting air duct 112 , and the two volute air ducts 111 are connected through the connecting air duct 112 , wherein the air outlet 101 and the air exchange port 102 are both connected to the connecting air duct 112 , and a damper structure 20 is provided in the connecting air duct 112 .

[0067] Applying the technical solution of this embodiment, the volute air duct 111 is connected to each other through the connecting air duct 112, and the air outlet 101 and the ventilation port 102 are both connected to the connecting air duct 112, so that the wind guided out of the volute air duct 111 can be discharged through the air outlet 101 and can also be discharged through the ventilation port 102. On this basis, a damper structure 20 is set in the connecting air duct 112, and the volute air duct 111 is connected to the air outlet 101 and the ventilation port 102 respectively by switching the position of the damper structure 20. When the damper structure 20 is in the first state, the volute air duct 111 is connected to the air outlet 101 and the ventilation port 102 respectively. In the first state, the damper structure 20 opens the air outlet 101 and closes the ventilation port 102, that is, the volute air duct 111 is connected to the air outlet 101, and the ceiling appliance performs blowing or heating work. When the damper structure 20 is in the second state, the damper structure 20 opens the ventilation port 102 and closes the air outlet 101, that is, the volute air duct 111 is connected to the ventilation port 102, and the ceiling appliance performs ventilation work. By switching the ventilation and blowing of the ceiling appliance by the damper switching method, the first-level fan and its accessory structure can be saved, thereby reducing costs.

[0068] In an exemplary embodiment of the present application, Figure 3 As shown, when the damper assembly 21 is in the first state, the second damper 212 and the first damper 211 are both arranged close to the ventilation port 102. At this time, the two volute ducts 111 are both connected with part of the connecting ventilation duct 112, and are connected with the air outlet 101 through the connecting ventilation duct 112. The airflow in the duct 11 is exchanged with the indoor airflow through the air outlet 101, that is, the air outlet 101 is opened. At the same time, the airflow blown out from the volute duct 111 is blocked by the second damper 212 and the first damper 211, and cannot be connected with the outdoor air for ventilation through the ventilation port 102, that is, the ventilation port 102 is blocked. The first state of the damper assembly 21 is often used in the blowing working mode of the ceiling appliance (including the warm air blowing mode and the blowing mode); Figure 4 As shown, when the damper assembly 21 is in the second state, the second damper 212 and the first damper 211 are both arranged close to the air outlet 101. At this time, the two volute air ducts 111 are connected with part of the connecting air duct 112, and are connected with the ventilation port 102 through the connecting air duct 112. The airflow in the air duct 11 is connected with the outdoor air through the ventilation port 102 for ventilation, that is, the ventilation port 102 is opened. At the same time, the airflow blown out from the volute air duct 111 is blocked by the second damper 212 and the first damper 211, and cannot exchange airflow with the indoor air through the air outlet 101, that is, the air outlet 101 is blocked. The second state of the damper assembly 21 is often used in the ventilation mode of ceiling appliances.

[0069] In this embodiment, along the length direction of the shell assembly, the air duct 11 includes two spaced-apart volute air ducts 111, and the connecting air duct 112 can be used to connect the two volute air ducts 111. A fan assembly is provided in each of the two volute air ducts 111, and each fan assembly includes a blade assembly and a drive unit. Two fan assemblies, that is, two fans are used to supply or exhaust air indoors, which can increase the air output of the fan assembly. At the same time, due to the provision of the damper structure 20, the two fan assemblies can be used for ventilation operations through the damper switching method, which can reduce the setting of the ventilation fan assembly, save the space of the shell 1, and improve the performance of the ceiling appliance.

[0070] It should be understood that there are many ways to set up the air outlet 101 and the ventilation port 102. For example, the air outlet 101 and the ventilation port 102 can be respectively set on both sides of the width direction of the shell 1, and the air outlet directions of the air outlet 101 and the ventilation port 102 can be set to the radial direction of the volute air duct 111. Alternatively, the air outlet 101 and the ventilation port 102 can be respectively set on both sides of the width direction of the shell 1, and the air outlet direction of the ventilation port 102 can be along the radial direction of the volute air duct 111, and the air outlet direction of the air outlet 101 can be along the axial direction of the volute air duct 111 (that is, the height direction of the shell 1).

[0071] Furthermore, at least one volute air duct 111 includes an air duct body 1111 and a spliced air duct 1112, the air duct body 1111 has an opening 1110, the spliced air duct 1112 has an avoidance position away from the opening 1110, and the spliced air duct 1112 has a blocking position for blocking at least part of the opening 1110. When the spliced air duct 1112 is in the blocking position, at least part of the spliced air duct 1112 protrudes outward from the shell 1. When the spliced air duct 1112 is in the avoidance position, the longitudinal space size of the shell assembly is not affected. When the spliced air duct 1112 is in the blocking position, the spliced air duct 1112 blocks the opening 1110 and is connected to the shell 1, which can avoid the performance degradation problem caused by air leakage of the shell. When applied to the electrical structure, the structural setting of the spliced air duct 1112 protruding to the outside of the shell 1 can effectively increase the flow area of the volute air duct 111, thereby increasing the air output of the electrical appliance, adapting to the use environment with greater requirements on the air volume, improving the practicability of the electrical appliance, and solving the problems of insufficient air output and low practicability of electrical appliances in the prior art.

[0072] Those skilled in the art will appreciate that when spliced air duct 1112 is in the blocked position, it blocks at least a portion of opening 1110. Since spliced air duct 1112 is in this position, the capacity of volute air duct 111 is expanded. When the housing assembly is in operation, the airflow rate is increased, thereby improving the performance of the housing assembly. In this embodiment, the provision of spliced air duct 1112 can increase the flow area of the air duct.

[0073] In one embodiment of the present application, two volute air ducts 111 are provided along the length direction of the shell 1, and each volute air duct 111 includes an air duct body 1111 and a spliced air duct 1112, and, along the width direction of the shell 1, each spliced air duct 1112 is located on the same side of the shell 1, and the spliced air duct 1112 can be used to increase the flow area of the volute air duct 111, thereby increasing the air volume, so that the air outlet of the volute air duct 111 provided with the spliced air duct 1112 is increased, thereby improving the air volume and performance of the ceiling appliance.

[0074] Furthermore, the two volute air ducts 111 are arranged at a distance along the length direction of the shell 1, and along the width direction of the shell 1, the air outlet 101 and the ventilation port 102 are respectively opened on opposite sides of the shell 1. Optionally, the air outlet direction of the ventilation port 102 is along the width direction of the shell 1, and the air outlet direction of the air outlet 101 is set along the height direction of the shell 1.

[0075] In this embodiment, the ceiling appliances include but are not limited to kitchen air conditioners, non-kitchen air conditioners, bathroom heaters, fresh air blowers, ventilation fans and other devices.

[0076] The installation process of the ceiling appliance in the above embodiment is as follows: before installation, the spliced air duct 1112 of each volute air duct 111 is switched to the avoidance position. When installing, first, the first shell 10 and the second shell 40 are respectively placed in the ceiling space through the installation opening along the radial direction of the wind wheel. Then, the first shell 10 and the second shell 40 are assembled in the ceiling space, and the spliced air duct 1112 is switched to the blocking position. Finally, the ceiling appliance is placed in a suitable position so that the air outlet 101 and the installation opening are aligned. Correspondingly, it should be understood that different settings of the air outlet 101 will result in different final placements of the ceiling appliance. For example, when the air outlet direction of the air outlet 101 is set along the axial direction of the wind wheel, the axial direction of the wind wheel of the ceiling appliance is placed in a vertical direction (that is, the height direction of the shell 1 is in a vertical direction at this time); when the air outlet direction of the air outlet 101 is set along the radial direction of the wind wheel, the axial direction of the wind wheel of the ceiling appliance is placed in a horizontal direction (that is, the height direction of the shell 1 is in a horizontal direction at this time).

[0077] In one embodiment of the present application, the ceiling-mounted appliance is a linear bathroom heater, and the housing 1 is the outer shell of the bathroom heater main unit. The volute side panels of the spliced air duct 1112 are formed on the housing 1, and the spliced air duct 1112 and the housing 1 are two independently arranged components. Of course, the volute side panels can also be set as a plate-like structure, and the spliced air duct 1112 is enclosed between the volute side panels and the side walls of the housing 1 and the bottom plate of the housing. Specifically, an air collecting hood is provided on the side of the housing 1 opposite to the bottom, a panel is provided on the outside of the air collecting hood, and the lamp body assembly is provided on the side where the air collecting hood and the panel are located.

[0078] The spliced air duct 1112 is protruded outward and arranged on the shell 1, so that the air duct flow area of the linear bathroom heater is increased, so that the shell can have a larger air outlet without improving the size of the bathroom heater fan and shell assembly, so that the bathroom heater has a better air outlet effect. The air door structure 20 is used to switch the blocking and avoidance of the air outlet 101 and the ventilation port 102, saving the first-level fan and its accessory structure, realizing the performance optimization and installation technology simplification in the field of bathroom heater equipment technology, and improving the air outlet performance and practicality of the bathroom heater. At the same time, the extremely narrow shape of the linear bathroom heater is more beautiful and caters to the user's aesthetic standards.

[0079] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0080] In addition to the above, it should be noted that references to "one embodiment," "another embodiment," "an embodiment," and the like in this specification refer to specific features, structures, or characteristics described in conjunction with that embodiment as being included in at least one embodiment generally described in this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in conjunction with any embodiment, it is intended that such feature, structure, or characteristic, when implemented in conjunction with other embodiments, also fall within the scope of the present invention.

[0081] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0082] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A damper structure, characterized in that: include: A damper assembly (21), the damper assembly (21) comprising at least one damper, the damper having a driving end and a movable end disposed opposite to each other, the damper being rotatably disposed; A driving assembly (22), wherein the driving assembly (22) comprises at least a driving member (222) and a flexible member (223), one end of the flexible member (223) being connected to an output shaft (2220) of the driving member (222), and the other end of the flexible member (223) being connected to the driving end, wherein the output shaft (2220) rotates to adjust the winding length of the flexible member (223) on the output shaft (2220), thereby adjusting the distance between the driving end and the output shaft (2220), thereby driving the damper to rotate.

2. The damper structure according to claim 1, characterized in that: The damper assembly (21) comprises a first damper (211) and a second damper (212) that are rotatably connected, wherein the first damper (211) has a first driving end (2111) and a first movable end (2112), and the second damper (212) has a second driving end (2121) and a second movable end (2122). One end of the flexible member (223) is connected to an output shaft (2220) of the driving member (222), and the other end of the flexible member (223) is connected to at least one of the first driving end (2111) and the second driving end (2121). The output shaft (2220) rotates to adjust the winding length of the flexible member (223) on the output shaft (2220), thereby adjusting the distance between at least one of the first driving end (2111) and the second driving end (2121) and the output shaft (2220), thereby adjusting the angle between the first damper (211) and the second damper (212).

3. The damper structure according to claim 2, characterized in that: There are two flexible members (223), the first ends of the two flexible members (223) are connected to the output shaft (2220) of the driving member (222), the second end of one of the flexible members (223) is connected to the first driving end (2111), and the second end of the other flexible member (223) is connected to the second driving end (2121).

4. The damper structure according to claim 3, characterized in that: There are two driving members (222), and the driving members (222) and the flexible members (223) are arranged in a one-to-one correspondence, one of the driving members (222) is connected to one of the flexible members (223), and the other driving member (222) is connected to the other flexible member (223).

5. The damper structure according to any one of claims 2 to 4, characterized in that: The damper structure further includes: An elastic member (224), one end of the elastic member (224) is connected to the first driving end (2111), and the other end of the elastic member (224) is connected to the second driving end (2121).

6. The damper structure according to any one of claims 2 to 4, characterized in that: The first damper (211) and the second damper (212) are both hinged to the damper rotating shaft (221); the distance between the damper rotating shaft (221) and the end of the first driving end (2111) is smaller than the distance between the damper rotating shaft (221) and the end of the first movable end (2112); and the distance between the damper rotating shaft (221) and the end of the second driving end (2121) is smaller than the distance between the damper rotating shaft (221) and the end of the second movable end (2122).

7. A ceiling appliance, characterized in that: include: A housing (1), the housing (1) having an air duct (11), the housing (1) further having an air outlet (101) and a ventilation port (102), the air outlet (101) and the ventilation port (102) both being in communication with the air duct (11); Wherein, a damper structure (20) is provided in the air duct (11), and the damper structure (20) is the damper structure according to any one of claims 1 to 6, and the damper assembly (21) has a first state and a second state. When the damper assembly (21) is in the first state, the damper assembly (21) blocks the ventilation port (102) and opens the air outlet (101); when the damper assembly (21) is in the second state, the damper assembly (21) blocks the air outlet (101) and opens the ventilation port (102).

8. The ceiling appliance according to claim 7, characterized in that: The shell (1) comprises a first shell (10) and a second shell (40), wherein the second shell (40) is detachably connected to the first shell (10), and when the first shell (10) and the second shell (40) are connected, the first shell (10) and the second shell (40) jointly enclose the air duct (11), wherein the damper structure (20) is arranged in the first shell (10), and the air outlet (101) and the ventilation port (102) are both opened on the first shell (10).

9. The ceiling appliance according to claim 8, characterized in that: The ceiling appliance further comprises: a shielding member (50), the shielding member (50) being arranged close to the ventilation port (102), and the distance between the shielding member (50) and the bottom of the first shell (10) being greater than the maximum distance between the ventilation port (102) and the bottom of the first shell (10), and the shielding member (50) being connected to at least one of the first shell (10), the damper assembly (21), and the second shell (40); When the damper assembly (21) is in the first state, the damper assembly (21) and the shielding member (50) together block the ventilation port (102).

10. The ceiling appliance according to claim 7, characterized in that: The air duct (11) comprises at least two volute air ducts (111) and a connecting air duct (112), wherein the two volute air ducts (111) are connected via the connecting air duct (112), wherein the air outlet (101) and the ventilation port (102) are both connected to the connecting air duct (112), and the damper structure (20) is provided in the connecting air duct (112).

11. The ceiling appliance according to any one of claims 7 to 10, characterized in that: The air duct (11) includes at least one volute air duct (111), and at least one of the volute air ducts (111) includes an air duct body (1111) and a spliced air duct (1112), the air duct body (1111) has an opening (1110), the spliced air duct (1112) has a avoidance position away from the opening (1110), and the spliced air duct (1112) has a blocking position for blocking at least part of the opening (1110), and when the spliced air duct (1112) is in the blocking position, at least part of the spliced air duct (1112) protrudes from the shell (1).

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