CN209763444U - Air return device for ducted air conditioner and ducted air conditioner - Google Patents

Abstract

The utility model discloses an air return device and tuber pipe machine for tuber pipe machine, wherein the air return device includes: a frame defining an air return opening; the electric control box is arranged on the frame and is spaced from the air return opening; and the opening and closing door is arranged on the frame to open or close the air return opening. According to the utility model discloses an inner structure that is used for return air device of tuber pipe machine, through setting up the switch door on the frame, and the switch door can open or close the return air inlet, when the user does not use tuber pipe machine, can control the switch door and close the return air inlet, from this the switch door can shelter from return air device to can promote the integrative nature of return air device and ceiling, and then promote return air device's pleasing to the eye degree.

Description

Air return device for ducted air conditioner and ducted air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioning technique and specifically relates to a return air device and tuber pipe machine for tuber pipe machine is related to.

background

In the related art, in order to improve the working reliability of the air duct machine, the grid type panel is arranged at the air return opening of the air duct machine, but a user can easily see the internal structure of the air duct machine through the grid type panel, so that the grid type panel cannot be integrated with a ceiling visually, and the grid type panel looks more abrupt and has poorer appearance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an air return device for tuber pipe machine, an air return device for tuber pipe machine has the advantage that pleasing to the eye degree is high.

The utility model also provides an air duct machine, air duct machine includes the above-mentioned air return device that is used for air duct machine.

According to the utility model discloses an air return device for tuber pipe machine, include: a frame defining an air return opening; the electric control box is arranged on the frame and is spaced from the air return opening; and the opening and closing door is arranged on the frame to open or close the air return opening.

According to the utility model discloses an integral type nature that is used for return air device of tuber pipe machine, through set up the switch door on the frame, and the switch door can open or close the return air inlet, when the user does not use tuber pipe machine, can control the switch door and close the return air inlet, and the switch door can shelter from return air device from this to can promote return air device and ceiling, and then promote return air device's pleasing to the eye degree.

According to some embodiments of the utility model, be equipped with air quality detection module on the automatically controlled box.

Further, the air quality detection module comprises at least one of a carbon dioxide detection module, a humidity detection module and a PM2.5 detection module.

In some embodiments of the present invention, the electric control box is disposed at the orientation of the frame at one side of the switch door, and the air quality detection module is disposed at the orientation of the electric control box at one side of the switch door.

According to some embodiments of the utility model, work as the switch door is in and closes when the state of return air inlet, the switch door covers automatically controlled box.

According to some embodiments of the utility model, an air return device for tuber pipe machine still includes: the intelligent monitoring device is arranged on the frame and is constructed to be used for detecting whether a user exists in the space where the air duct machine is located and/or detecting the indoor temperature, and the intelligent monitoring device is connected with the electric control box.

Furthermore, the intelligent monitoring device is spaced from the electric control box, a wiring groove is formed in the frame, and a wire for connecting the electric control box and the intelligent monitoring device is arranged in the wiring groove.

Further, the cabling channel is provided at an edge of the frame and spaced apart from the air return opening.

The utility model discloses an in some embodiments, intelligent monitoring device with automatically controlled box is spaced apart, be equipped with the card line seat on the frame, have the spacing groove on the card line seat, connect automatically controlled box with intelligent monitoring device's wire is established the spacing inslot.

the utility model discloses an in some embodiments, intelligent monitoring device fixes return air inlet department, and intelligent monitoring device's stationary plane with the plane in return air inlet place has the contained angle.

according to the utility model discloses a some embodiments, the switch door is rotationally established on the frame, return air device still includes: the driving motor is arranged on the frame and connected with the electric control box, and an output shaft of the driving motor is connected with the switch door to drive the switch door to rotate.

According to the utility model discloses a some embodiments, the switch door is a plurality of, and is a plurality of the switch door is followed the width direction of return air inlet arranges in proper order.

According to some embodiments of the invention, the air return opening extends along a length direction of the frame, the electrical control box is spaced apart from the air return opening in the length direction of the frame.

According to some embodiments of the utility model, be equipped with the installation department on the automatically controlled box, the installation department with the frame passes through the fastener and connects.

According to the utility model discloses tuber pipe machine, including the above-mentioned return air device that is used for tuber pipe machine.

According to the utility model discloses tuber pipe machine, through setting up the switch door on the frame, and the switch door can open or close the return air inlet, when the user does not use tuber pipe machine, can control the switch door and close the return air inlet, the internal structure that the switch door can shelter from return air device from this to can promote the integrative nature of return air device and ceiling, and then promote the pleasing to the eye degree of return air device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

Fig. 1 is a cross-sectional view of an air return apparatus for a ducted air conditioner according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of an air return device for a ducted air conditioner according to an embodiment of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

Fig. 4 is a schematic view of an alternative arrangement of an air return device for a ducted air conditioner according to an embodiment of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

Fig. 6 is a schematic structural view of a wire clamping seat of an air return device for a duct type air conditioner according to an embodiment of the present invention;

Fig. 7 is a perspective view of an air return apparatus for a ducted air conditioner according to an embodiment of the present invention, wherein the switching door is in a closed state;

Fig. 8 is a perspective view of an air return apparatus for a ducted air conditioner according to an embodiment of the present invention, wherein the switching door is in an open state;

fig. 9 is an exploded view of an air return for a ducted air conditioner according to an embodiment of the present invention.

reference numerals:

The air returning device 100 is provided with a return air device,

A frame 1, an air return opening 11, a wiring groove 12,

A wire clamping seat 13, a limiting groove 131, a matching part 14, a mounting groove 15,

An electric control box 2, a mounting part 21, an opening and closing door 3, an avoidance port 31,

an air quality detection module 4, a carbon dioxide detection module 41,

a humidity detection module 42, a PM2.5 detection module 43,

An intelligent monitoring device 5, a support frame 51, a connecting column 511,

A viewing hole 512, a user detection part 52, a temperature detection part 53,

The driving motor 6, the shielding component 7,

The first baffle 71, the second baffle 72, the third baffle 73,

The filter screen 8, the supporting part 91, the guide part 92, the first limiting rib 93 and the second limiting rib 94.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

An air return device 100 for a duct machine according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1 and 2, an air return device 100 for a duct machine according to an embodiment of the present invention includes: frame 1, automatically controlled box 2 and switch door 3.

as shown in fig. 1 and 2, the frame 1 defines an air return opening 11, the electronic control box 2 is provided on the frame 1 and spaced apart from the air return opening 11 (refer to fig. 3), and the opening and closing door 3 is provided on the frame 1 to open or close the air return opening 11.

When the air pipe machine works, the air return opening 11 can be opened by the opening and closing door 3, and indoor air can enter the air return device 100 through the air return opening 11. When the ducted air conditioner was closed, the return air inlet 11 can be closed to switch door 3, shelters from the inner structure of return air device 100 to can promote the wholeness of return air device 100 and ceiling, and then promote the pleasing to the eye degree of return air device 100.

Moreover, after the air return opening 11 is closed by the switch door 3, indoor dust or small particles can be shielded outside the air return device 100 by the switch door 3, so that the working reliability and the service life of the air return device 100 can be improved.

for example, in the embodiment shown in fig. 1 and 2, when the air duct machine is turned on, the electronic control box 2 may control the opening and closing door 3 to rotate, so that the opening and closing door 3 opens the air return opening 11; when the air duct machine is closed, the electric control box 2 can control the switch door 3 to rotate, so that the switch door 3 closes the air return opening 11.

According to the utility model discloses an interior structure that is used for return air device 100 of tuber pipe machine, through set up switch door 3 on frame 1, and switch door 3 can open or close return air inlet 11, when the user does not use the tuber pipe machine, can control switch door 3 and close return air inlet 11, from this switch door 3 can shelter from return air device 100 to can promote the integrative nature of return air device 100 with the ceiling, and then promote the pleasing to the eye degree of return air device 100.

According to some embodiments of the present invention, as shown in fig. 2 and 3, the electronic control box 2 is provided with an air quality detection module 4. It can be understood that, by providing the air quality detection module 4 on the electronic control box 2, the air quality detection module 4 can detect the air quality of the air flow when the air flow entering the air return device 100 (refer to fig. 1) from the indoor passes through the air quality detection module 4, thereby providing an improved direction for further air conditioning.

Further, as shown in fig. 2 and 3, the air quality detection module 4 includes at least one of a carbon dioxide detection module 41, a humidity detection module 42, and a PM2.5 detection module 43. In other words, the air quality detection module 4 may include only one of the carbon dioxide detection module 41, the humidity detection module 42, the PM2.5 detection module 43; alternatively, the air quality detection module 4 may include only two of the carbon dioxide detection module 41, the humidity detection module 42, and the PM2.5 detection module 43; alternatively, the air quality detection module 4 may include a carbon dioxide detection module 41, a humidity detection module 42, and a PM2.5 detection module 43.

It is understood that the carbon dioxide detecting module 41 may detect the carbon dioxide concentration of the indoor air, the humidity detecting module 42 may detect the humidity of the indoor air, and the PM2.5 detecting module 43 may detect the PM2.5 concentration of the indoor space. Of course, the present invention is not limited thereto, and the air quality detecting module 4 may further include a formaldehyde detecting module, a carbon monoxide detecting module, etc.

The utility model discloses an in some embodiments, automatically controlled box 2 is established in one side of frame 1 towards switch door 3, and air quality detection module 4 is established in one side of automatically controlled box 2 towards switch door 3. It can be understood that, by arranging the air quality detection module 4 on the side of the electronic control box 2 facing the opening/closing door 3, the air flow can be more easily contacted with the air quality detection module 4, so that the reliability of detection by the air quality detection module 4 can be improved.

According to some embodiments of the utility model, when switch door 3 is in the state of closing return air inlet 11, switch door 3 covers automatically controlled box 2. It can be understood that, when the switch door 3 closes the air return opening 11, the switch door 3 can seal the electronic control box 2 inside the air return device 100, so as to prevent indoor dust or small particles from attaching to the electronic control box 2, and further improve the reliability and the service life of the electronic control box 2.

According to some embodiments of the present invention, as shown in fig. 4 and 5, the air returning device 100 for the duct machine further includes: intelligent monitoring device 5, intelligent monitoring device 5 establishes on frame 1, and intelligent monitoring device 5 is constructed and is used for detecting whether there is the user in the space of tuber pipe machine and/or detects indoor temperature, and intelligent monitoring device 5 is connected with automatically controlled box 2 (refer to fig. 3).

Therefore, the intelligent monitoring device 5 can be constructed to be only used for detecting whether a user exists in the space where the air duct machine is located, then the detection result can be sent to the electric control box 2 of the air duct machine, the electric control box 2 of the air duct machine can control the running state of the air duct machine according to the detection result, for example, when the intelligent monitoring device 5 detects that no user exists in the space where the air duct machine is located, the electric control box 2 can close the air duct machine, power consumption of the user is facilitated, use cost is reduced, and energy consumption of the air duct machine is reduced. For another example, when the intelligent monitoring device 5 detects that a user is in the space where the air duct machine is located, the electronic control box 2 can open the air duct machine to cool or heat the indoor space, so that the comfort of the user is improved, and the air duct machine is more intelligent and flexible to use.

the intelligent monitoring device 5 can be also constructed to be only used for detecting the indoor temperature of the space where the air duct machine is located, then the detection result can be fed back to the electric control box 2, and the electric control box 2 automatically adjusts the heat exchange temperature of the air duct machine according to the detection result and the target temperature set by the user so that the indoor temperature reaches the target temperature set by the user.

of course, the intelligent monitoring device 5 can also be configured to be used for detecting whether the space of the air duct machine is provided with a user or not and detecting the indoor temperature, so that the functions of the intelligent monitoring device 5 can be expanded, and the intelligent degree of the air duct machine is improved.

Further, as shown in fig. 4, the intelligent monitoring device 5 is spaced apart from the electronic control box 2, a wiring slot 12 is provided on the frame 1, and a wire connecting the electronic control box 2 and the intelligent monitoring device 5 is provided in the wiring slot 12. It can be understood that, the wire of connecting automatically controlled box 2 and intelligent monitoring device 5 is accomodate in trough 12, not only can separate the wire with the air current that gets into in air return device 100, can also avoid the wire to distribute too in disorder to be convenient for installation and subsequent maintenance can also promote air return device 100's security, reduce the potential safety hazard.

Further, as shown in fig. 4, the cabling duct 12 is provided at the edge of the frame 1 and spaced apart from the return air opening 11. Therefore, the complexity of the structure of the wiring groove 12 can be simplified, the manufacturing difficulty of the wiring groove 12 is reduced, the production efficiency of the wiring groove 12 is improved, and the production cost of the wiring groove 12 is reduced.

in some embodiments of the present invention, as shown in fig. 7 and 8, the intelligent monitoring device 5 is rotatably disposed on the frame 1, and the rotation angle of the intelligent monitoring device 5 is α (α shown in fig. 7), when α satisfies: when alpha is more than or equal to 0 degree and less than or equal to 60 degrees, the accuracy and the reliability of the detection of the intelligent monitoring device 5 can be ensured, and the reliability of the air return device 100 can be further ensured. Optionally, 5 ≦ α ≦ 55. Optionally, 10.5 ≦ α ≦ 30.2. Optionally, α is 60 °.

in some embodiments of the present invention, as shown in fig. 4 and fig. 6, the intelligent monitoring device 5 is spaced apart from the electronic control box 2, the frame 1 is provided with the wire clamping seat 13, the wire clamping seat 13 is provided with the limiting groove 131, and the wire connecting the electronic control box 2 and the intelligent monitoring device 5 is disposed in the limiting groove 131. It can be understood that the wires connecting the electric control box 2 and the intelligent monitoring device 5 are accommodated in the limiting groove 131, so that the wires can be prevented from being distributed excessively and disorderly, installation and subsequent maintenance are facilitated, the safety of the air returning device 100 can be improved, and potential safety hazards are reduced.

it should be noted that the wire clamping seats 13 may be disposed in the wiring duct 12, a plurality of wire clamping seats 13 are provided, and the plurality of wire clamping seats 13 are disposed at intervals along the length direction of the wiring duct 12.

The utility model discloses an in some embodiments, intelligent monitoring device 5 is fixed in return air inlet 11 department to intelligent monitoring device 5's stationary plane and return air inlet 11 place plane have the contained angle. Therefore, the intelligent monitoring device 5 can be fixed at the air return opening 11 and fixed and not rotated relative to the air return opening 11, and the intelligent monitoring device 5 is obliquely arranged relative to the air return opening 11. Therefore, the structure and the installation process of the intelligent monitoring device 5 are simplified, the intelligent monitoring device 5 is reliably arranged at the air return opening 11, the structure of the air return device 100 is simple, and the reliability of the structure of the air return device 100 is improved.

In actual production, can set up the regional slope of air supply of the relative return air inlet 11 place plane of stationary plane of intelligent monitoring device 5 towards the tuber pipe machine to be convenient for intelligent monitoring device 5 detects whether there is user and/or the indoor temperature of detection in the air supply region, and then improve the work efficiency of tuber pipe machine, be favorable to promoting user's use and experience. And intelligent monitoring device 5's slope setting still is favorable to expanding intelligent monitoring device 5's detection range to a certain extent, improves the accuracy and the reliability that intelligent monitoring device 5 detected, and then improves return air device 100's reliability.

according to the utility model discloses a some embodiments, intelligent monitoring device 5 is fixed in return air inlet 11 department to intelligent monitoring device 5's stationary plane is located return air inlet 11 place plane. Therefore, the intelligent monitoring device 5 can be fixed at the air return opening 11, the intelligent monitoring device 5 is arranged in parallel relative to the air return opening 11, and no included angle exists between the fixing surface of the intelligent monitoring device 5 and the plane where the air return opening 11 is located. Thereby facilitating the installation and fixation of the intelligent monitoring device 5. The intelligent monitoring device 5 can be reliably fixed at the air return opening 11. Meanwhile, the structure of the air return device 100 is simplified, the production cost of the air return device 100 is reduced, and the production efficiency of the air return device 100 is improved.

According to some embodiments of the present invention, as shown in fig. 4, 8 and 9, the switch door 3 is rotatably provided on the frame 1, and the air returning device 100 further includes: driving motor 6, driving motor 6 establish on frame 1, and driving motor 6 is connected with automatically controlled box 2, and driving motor 6's output shaft is connected with switch door 3 in order to drive switch door 3 and rotate. It can be understood that when the ducted air conditioner is started, the electric control box 2 can control the output shaft of the driving motor 6 to rotate, and the output shaft of the driving motor 6 can drive the switch door 3 to rotate so as to open the air return opening 11; when the ducted air conditioner is closed, the electric control box 2 can control the output shaft of the driving motor 6 to rotate, and the output shaft of the driving motor 6 can drive the switch door 3 to rotate so as to close the air return opening 11. Therefore, the mechanical rotation of the switch door 3 can be realized, and the intellectualization that the switch door 3 opens or closes the air return opening 11 can be improved.

Specifically, in some examples of the present invention, the position adjacent to the intelligent monitoring device 5 of the frame 1 is also provided with the driving motor 6, and the output shaft of the driving motor 6 is connected with the intelligent monitoring device 5 to drive the intelligent monitoring device 5 to rotate.

According to some embodiments of the present invention, as shown in fig. 1, the switch doors 3 are plural, and the plural switch doors 3 are arranged in sequence along the width direction (the up-down direction with reference to fig. 2) of the return air inlet 11. It can be understood that, when the size of the air return opening 11 is fixed, the structural arrangement of the switch doors 3 is favorable for reducing the weight of a single switch door 3, reducing the pressure borne by the same position of the air duct machine, improving the reliability of the structure of the air duct machine and prolonging the service life of the air duct machine. For example, in the embodiment shown in fig. 1, two opening and closing doors 3 are provided.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be understood that the term "width" is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be taken as limiting the invention.

In some embodiments of the utility model, as shown in fig. 9, driving motor 6 is provided with a plurality ofly, and a plurality of driving motor 6 set up with a plurality of switch door 3 one-to-one, and every driving motor 6 links to each other with the switch door 3 that corresponds and rotates with drive switch door 3. Therefore, the plurality of switch doors 3 are respectively provided with the corresponding driving motors 6 to drive and rotate so as to open or close the air return opening 11, and the mode of opening or closing the air return opening 11 by the switch doors 3 is simple and reliable. The switch doors 3 are mutually independent, when one switch door 3 fails and cannot open the air return opening 11, the air return opening 11 (refer to fig. 1) can be opened through other switch doors 3, the heat exchange function of the air pipe machine can be still realized, and the reliability of the air pipe machine is improved.

In other embodiments of the present invention, a driving motor 6 is disposed on both sides of each switch door 3. Therefore, the rotating stability of the switch door 3 can be improved. Further, a wiring groove 12 is provided in the length direction of the frame 1, and a wire for connecting the electric control box 2 and the driving motor 6 is provided in the wiring groove 12.

in some embodiments of the present invention, as shown in fig. 8, the rotation angle of the switch door 3 is γ (γ shown in fig. 8), and when γ satisfies: when the angle gamma is more than or equal to 20 degrees and less than or equal to 90 degrees, the condition that a user watches the interior of the air duct machine through opening and closing the door 3 can be effectively avoided, and the visual perception of the user can be improved. Alternatively, 22 ≦ γ ≦ 86. Alternatively, 22.5 ≦ γ ≦ 78.5. Alternatively, 27.3 ≦ γ ≦ 60.2. Optionally, γ is 30 °.

According to some embodiments of the present invention, as shown in fig. 2 and 4, the air return opening 11 extends along the length direction of the frame 1 (the left and right direction shown in fig. 2), and the electric control box 2 is spaced apart from the air return opening 11 in the length direction of the frame 1. From this, can avoid automatically controlled box 2 to produce the air current of return air inlet 11 department and shelter from to can promote the smooth and easy nature that the air current flows, and then reduce the energy loss of air current flow in-process, have energy-conservation and fall the advantage of making an uproar.

In the description of the present invention, it is to be understood that the term "length" is used in an orientation or positional relationship as illustrated in the accompanying drawings for convenience of description and simplicity of description, and does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

According to some embodiments of the present invention, as shown in fig. 2 and 3, the electric control box 2 is provided with an installation portion 21, and the installation portion 21 is connected to the frame 1 through a fastener. The fastener has the advantages of simple structure and easy assembly, and the tight connection of the electric control box 2 and the frame 1 can be realized through the fastener. In addition, the cost can be reduced while the connection strength of the electric control box 2 and the frame 1 is ensured. Alternatively, the fastener may be a screw, bolt or stud.

For example, in some examples of the present invention, one side of the frame 1 in the length direction is provided with a mounting position for fixing the electronic control box 2, the mounting position is located on one side of the air return opening 11 in the length direction, the mounting position is provided with a connecting plate, and the electronic control box 2 is fixed on the connecting plate by a fastener.

According to some embodiments of the utility model, as shown in fig. 4 and 5, be equipped with spliced pole 511 on the intelligent monitoring device 5, be equipped with cooperation portion 14 on the frame 1, spliced pole 511 is connected with the cooperation of cooperation portion 14 and cooperation portion 14 is rotatable relatively. Therefore, the intelligent monitoring device 5 can be arranged on the frame 1 through the matching of the connecting column 511 and the matching part 14, and can rotate relative to the frame 1. The intelligent monitoring device 5 is arranged on the frame 1 in a simple and reliable manner, and is convenient to assemble and disassemble.

According to the utility model discloses a some embodiments, as shown in fig. 4, fig. 5 and fig. 9, intelligent monitoring device 5 includes support frame 51, user detection portion 52 and temperature detection portion 53, support frame 51 is established in return air inlet 11 department, be equipped with two observation holes 512 on support frame 51, user detection portion 52 and temperature detection portion 53 establish respectively on support frame 51 in two observation holes 512 and mutually independent, user detection portion 52 is constructed and is used for detecting whether there is the user in the space that return air device 100 located, temperature detection portion 53 is constructed and is used for detecting indoor temperature. Therefore, the intelligent monitoring device 5 can detect whether the space where the air returning device 100 is located has a user or not, and can also detect the indoor temperature. Thereby diversifying the functions of the intelligent monitoring device 5. Meanwhile, the intelligent monitoring device 5 can be installed to the air return opening 11 through the support frame 51, the installation mode is simple, and the assembly efficiency of the air return device 100 is improved. The intelligent monitoring device 5 has simple structure and convenient manufacture.

Specifically, as shown in fig. 5, the supporting frame 51 is connected to the frame 1 and is rotatable with respect to the frame 1. Therefore, the connecting column 511 is arranged on the support frame 51, the support frame 51 is supported and connected to the frame 1 through the connecting column 511, the drive motor 6 drives the support frame 51 to rotate, and the user detection part 52 and the temperature detection part 53 synchronously rotate along with the support frame 51, so that the rotatable function of the intelligent monitoring device 5 is realized.

According to some embodiments of the utility model, as shown in fig. 9, be equipped with on the switch door 3 and dodge mouthful 31, intelligent monitoring device 5 establishes and dodges mouthful 31 department. Thereby be favorable to improving the space utilization of air return device 100, reduce air return device 100's occupation space, guarantee the reliability of intelligent monitoring device 5 and the operation of switch door 3 respectively simultaneously to a certain extent.

In some embodiments of the present invention, as shown in fig. 9, the avoidance port 31 is disposed near the pivoting end of the switch door 3. From this, can avoid sheltering from intelligent monitoring device 5 because the rotation of switch door 3 to a certain extent, be favorable to guaranteeing intelligent monitoring device 5's testing result, be favorable to guaranteeing accuracy and reliability that intelligent monitoring device 5 detected, and then improve return air device 100's reliability. Alternatively, the escape opening 31 is formed as a notch formed by a portion of the pivot end of the opening and closing door 3 being depressed inward. Thereby facilitating the manufacture of the switching door 3.

In some embodiments of the present invention, as shown in fig. 9, the intelligent monitoring device 5 is rotatably disposed at the avoiding opening 31. Therefore, the detection range of the intelligent monitoring device 5 can be enlarged, the accuracy and the reliability of detection of the intelligent monitoring device 5 are improved, and the reliability of the air return device 100 is improved.

The utility model discloses an in some embodiments, as shown in FIG. 9, return air device 100 is still including sheltering from subassembly 7, shelters from subassembly 7 and establishes in keeping away mouthful 31 department, and when switch door 3 closed return air inlet 11, at least part shelters from subassembly 7 and is located intelligent monitoring device 5 directly over. Therefore, when the user is prevented from raising the head to a certain extent, the inside of the air returning device 100 can be seen through the gap between the avoiding opening 31 and the intelligent monitoring device 5, the appearance attractiveness of the air returning device 100 can be improved, and the visual perception of the user is improved.

Specifically, as shown in fig. 9, the shielding assembly 7 includes a first shielding plate 71, a second shielding plate 72, and a third shielding plate 73, the first shielding plate 71 and the second shielding plate 72 are located at the left and right sides of the intelligent monitoring device 5, the left and right ends of the third shielding plate 73 are respectively connected to the first shielding plate 71 and the second shielding plate 72, and the third shielding plate 73 is located above the intelligent monitoring device 5. Therefore, the shielding assembly 7 is provided with the first baffle plate 71, the second baffle plate 72 and the third baffle plate 73 which are used for shielding the structure respectively at the left side, the right side and the upper side of the intelligent monitoring device 5, so that the intelligent monitoring device 5 can be effectively prevented from rotating, a user can see the inside of the air returning device 100 through a gap between the shielding opening 31 and the intelligent monitoring device 5, the appearance attractiveness of the air returning device 100 can be improved, and the visual perception of the user is improved.

Optionally, the shutter assembly 7 is integral with the opening and closing door 3. Thereby contributing to the improvement of the production efficiency of the air returning device 100 and simultaneously improving the structural strength and reliability of the opening and closing door 3.

In other embodiments of the utility model, be equipped with on the switch door 3 and shelter from subassembly 7, it includes first baffle 71, second baffle 72 and third baffle 73 to shelter from subassembly 7, first baffle 71 and second baffle 72 are located the left and right sides of intelligent monitoring device 5 respectively, first baffle 71 and second baffle 72 form into the plane board and vertical upwards extend when the return air inlet 11 is closed to switch door 3, both ends link to each other with first baffle 71 and second baffle 72 respectively about third baffle 73, third baffle 73 forms to the curved plate, third baffle 73 is formed to the curved plate that slopes forward by going up when the return air inlet 11 is closed to switch door 3. From this can avoid switch door 3 and/or intelligent monitoring device 5 to rotate the time user sees the inside of return air device 100 through the clearance of dodging between mouth 31 and the intelligent monitoring device 5 to a certain extent, and outward appearance aesthetic property when improving return air device 100 and using promotes user's visual experience.

According to some embodiments of the present invention, as shown in fig. 1, the frame 1 has a mounting groove 15, the filter screen 8 is located in the mounting groove 15, the filter screen 8 is opposite to the air return opening 111, and the filter screen 8 is connected to the frame 1 in a plugging manner.

it can be understood that, the filter screen 8 is located mounting groove 15, and filter screen 8 and 1 plug-in connection of frame, when the filter screen 8 was installed, the installation master directly with filter screen 8 insert mounting groove 15 can to no longer need with the help of the instrument or use unnecessary mounting with filter screen 8 installation fixed, and then can reduce filter screen 8's the installation degree of difficulty, promote filter screen 8's installation effectiveness.

In some embodiments of the present invention, as shown in fig. 1 and 4, the air returning device 100 further includes: the support portion 91 is connected with the frame 1, the support portion 91 extends along the length direction (the left-right direction shown in fig. 4) of the air return opening 111, the support portion 91 is spaced from the bottom wall of the mounting groove 15, the guide portion 92 is connected with the frame 1, the guide portion 92 is opposite to the air return opening 111, one end of the guide portion 92 is adjacent to the support portion 91 or connected with the support portion 91, in the direction from the support portion 91 to the guide portion 92 (the direction from the outside to the inside shown in fig. 1), the guide portion 92 inclines towards the direction far away from the bottom wall of the mounting groove 15, and the filter screen 8 can slide into the space between the air return opening 111 and the support portion 91 along the guide portion 92 to block the air return opening 111.

It can be understood that the supporting part 91 has supporting and limiting functions for the filter screen 8 in the mounting groove 15, and the filter screen 8 can be prevented from dropping by arranging the supporting part 91, so that the working reliability of the filter screen 8 is improved. The guide portion 92 has a guiding function for installing the filter screen 8, and the filter screen 8 can slide into the installation groove 15 along the guide portion 92 when being installed. Wherein, in the direction of supporting part 91 to guide part 92, the direction slope of guide part 92 orientation keeping away from the direction of mounting groove 15 diapire can reduce the frictional force when filter screen 8 and guide part 92 relative slip, further reduces the degree of difficulty of filter screen 8 installation, reduces the friction loss of filter screen 8 in the installation, further prolongs the life of filter screen 8.

For example, the supporting portion 91 is connected to the side wall of the frame 1, when the filter screen 8 is located in the mounting groove 15, at least a part of the lower end surface of the filter screen 8 can be stopped by the upper end surface of the supporting portion 91, the guiding portion 92 is connected to the side wall of the frame 1, the guiding portion 92 is disposed opposite to the air return opening 111 in the up-down direction, one end of the outer side (outer side as shown in fig. 1) of the guiding portion 92 is adjacent to the supporting portion 91, and the guiding portion 92 is inclined in the direction away from the bottom wall of the mounting groove 15 in the direction from the supporting portion 91 to the guiding portion.

In the description of the present invention, it is to be understood that the term "length" is based on the orientation or positional relationship shown in the drawings and is used merely for convenience in describing the present invention and for simplicity in description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the present invention.

Further, as shown in fig. 1 and 4, the guide portion 92 is plural, and the plural guide portions 92 are spaced apart in a length direction (a left-right direction as shown in fig. 4) of the air return opening 111. It can be understood that the plurality of guide portions 92 have a guide function for the sliding of the screen 8 into the mounting groove 15. From this, can realize the guide effect to filter screen 8 in a plurality of positions of the length direction of return air inlet 111 for in the length direction of return air inlet 111, filter screen 8 can be more convenient and accurate the slip-in mounting groove 15, thereby can further reduce the degree of difficulty that filter screen 8 slided into mounting groove 15, further promote filter screen 8's installation effectiveness.

The term "plurality" means two or more.

for example, in some examples of the present invention, two guide portions 92 are provided, and the two guide portions 92 are respectively located at both ends of the air return opening 111 in the longitudinal direction.

In some embodiments of the present invention, as shown in fig. 1 and 2, the air returning device 100 further includes: the first limiting rib 93 is arranged in the air return opening 111, and the first limiting rib 93 extends along the length direction of the air return opening 111. It can be understood that the first limiting rib 93 has fixing and limiting functions on the filter screen 8, and prevents the filter screen 8 from being displaced towards the air return opening 111 under the blowing of the air flow, so that the working reliability of the filter screen 8 can be further improved.

Further, as shown in fig. 1 and 2, the first limiting rib 93 is plural (see fig. 9), and the plural first limiting ribs 93 are provided at intervals in the width direction of the air return opening 111. Through setting up a plurality of first spacing muscle 93, a plurality of first spacing muscle 93 can form a spacing face in the width direction of return air inlet 111 to further promote first spacing muscle 93 to filter screen 8 fixed with spacing effect, further promote the filter effect of filter screen 8 to dust or impurity.

further, as shown in fig. 1 and 2, the plurality of first limiting ribs 93 are divided into a first group and a second group spaced apart in the width direction of the air return opening 111, and the first group and the second group are respectively adjacent to both ends of the air return opening 111 in the width direction. It is understood that a viewing port may be formed between the first group and the second group spaced apart in the width direction of the return air opening 111, through which a maintenance or installation operator may maintain the devices in the frame 1 or observe the operation state of the devices in the frame 1.

For example, the service may look through the space between the first and second groups, see if the screen 8 needs to be replaced, see if the screen 8 is in the correct working position, etc.

Further, as shown in fig. 1 and 2, the number of the first stopper ribs 93 in the first group is smaller than the number of the first stopper ribs 93 in the second group. From this, can further promote the structural strength of the frame 1 of first group position, guarantee that a plurality of first spacing muscle 93 of first group are fixed with spacing effect to filter screen 8.

for example, in some examples of the invention, the first group includes six first stopper ribs 93, and the second group includes two first stopper ribs 93, wherein the spacing between the six first stopper ribs 93 is equal to the spacing between the two first stopper ribs 93.

In some embodiments of the present invention, as shown in fig. 1 and 2, the air returning device 100 further includes: the second limiting rib 94 extends along the width direction of the air return opening 111, and the second limiting rib 94 is connected with the first limiting rib 93. It can be understood that the second limiting rib 94 and the first limiting rib 93 can form a # -shaped structure, and therefore the second limiting rib 94 and the first limiting rib 93 can better fix and limit the filter screen 8, so that the working reliability of the filter screen 8 can be further improved.

The following describes a duct machine according to an embodiment of the present invention with reference to the drawings.

According to the utility model discloses tuber pipe machine, including above-mentioned return air device 100 that is used for tuber pipe machine.

According to the utility model discloses tuber pipe machine, through set up switch door 3 on frame 1, and switch door 3 can open or close return air inlet 11, when the user does not use tuber pipe machine, can control switch door 3 and close return air inlet 11, from this switch door 3 can shelter from the inner structure of return air device 100 to can promote the wholeness of return air device 100 with the ceiling, and then promote the pleasing to the eye degree of return air device 100.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

in the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. An air return device for a ducted air conditioner, comprising:

A frame defining an air return opening;

the electric control box is arranged on the frame and is spaced from the air return opening;

And the opening and closing door is arranged on the frame to open or close the air return opening.

2. The air return device for the duct machine according to claim 1, wherein an air quality detection module is provided on the electronic control box.

3. The air return apparatus for a duct machine according to claim 2, wherein the air quality detection module includes at least one of a carbon dioxide detection module, a humidity detection module, and a PM2.5 detection module.

4. The air return device for the duct type air conditioner according to claim 2, wherein the electronic control box is provided on a side of the frame facing the opening/closing door, and the air quality detection module is provided on a side of the electronic control box facing the opening/closing door.

5. The return air device for the duct unit according to claim 1, wherein the opening and closing door covers the electric control box when the opening and closing door is in a state of closing the return air inlet.

6. the air return apparatus for a duct machine according to claim 1, further comprising:

The intelligent monitoring device is arranged on the frame and is constructed to be used for detecting whether a user exists in the space where the air duct machine is located and/or detecting the indoor temperature, and the intelligent monitoring device is connected with the electric control box.

7. The air return device for the duct unit according to claim 6, wherein the intelligent monitoring device is spaced apart from the electronic control box, a wiring duct is provided on the frame, and a wire connecting the electronic control box and the intelligent monitoring device is provided in the wiring duct.

8. The return air device for a duct machine of claim 7, wherein the routing channel is provided at an edge of the frame and spaced from the return air opening.

9. The air return device for the duct unit according to claim 6, wherein the intelligent monitoring device is spaced apart from the electronic control box, the frame is provided with a wire clamping seat, the wire clamping seat is provided with a limiting groove, and a lead connecting the electronic control box and the intelligent monitoring device is arranged in the limiting groove.

10. The air return device for the duct unit according to claim 6, wherein the smart monitoring device is fixed to the air return opening, and an included angle is formed between a fixing surface of the smart monitoring device and a plane where the air return opening is located.

11. The return air device for a duct machine according to claim 1, wherein the switch door is rotatably provided on the frame, and the return air device further comprises:

The driving motor is arranged on the frame and connected with the electric control box, and an output shaft of the driving motor is connected with the switch door to drive the switch door to rotate.

12. The air return device for the duct unit according to claim 1, wherein the number of the opening and closing doors is plural, and the plural opening and closing doors are arranged in sequence in a width direction of the air return opening.

13. The return air device for a duct machine according to claim 1, wherein the return air opening extends along a length direction of the frame, and the electronic control box is spaced apart from the return air opening in the length direction of the frame.

14. The air return device for the duct machine according to claim 1, wherein an installation portion is provided on the electric control box, and the installation portion is connected to the frame by a fastener.

15. A duct type air conditioner comprising the return air device for a duct type air conditioner according to any one of claims 1 to 14.