Device with high heating and ventilation efficiency

Abstract

The utility model discloses a device with high heating and ventilating efficiency, which belongs to the technical field of ventilating fans and comprises a shell, a mounting cavity is arranged on one side of the shell, a sealing cover is mounted at an opening of the mounting cavity, a cold air port is arranged at the top of the shell, a hot air port is arranged on the sealing cover, and an air inlet is arranged on the sealing cover. The air inlet, the cold air port and the hot air port are respectively communicated with the mounting cavity, an air guide pipe is rotatably arranged in the mounting cavity, a control assembly for controlling the air guide pipe to rotate is arranged in the mounting cavity, an inlet of the air guide pipe corresponds to the air inlet, an outlet of the air guide pipe can be matched with the hot air port or the cold air port, and an air inlet assembly is arranged in the air guide pipe; separated conveying of cold and hot components can be achieved, and the air outlet amount can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to ventilation fan technical field, more specifically, relate to a device with high efficiency heating and ventilation efficiency. BACKGROUND

[0002] Ventilation fan is driven by motor to rotate fan blade to drive airflow, makes indoor and outdoor air exchange a kind of air conditioning electrical appliance.It is also called ventilation fan, the purpose of ventilation is to remove the dirty air in room, adjust temperature, humidity and feeling effect.Ventilation fan is widely used in family and public place.

[0003] The existing ventilation fan includes an air inlet and two air outlets, the air inlet is arranged outdoors, and the two air outlets are arranged indoors, one of the air outlets is provided with a heating system, so that the two air outlets are distinguished, the air outlet without the heating system is a cold air outlet, and the air outlet with the heating system is a hot air outlet, the existing ventilation fan controls the positive and reverse rotation of the motor to control the air outlet, and the design has certain requirements for the fan, and the overall air volume is small, and the efficiency is low, and the above problems are solved by the following solution. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a device with high efficiency heating and ventilation efficiency, which can realize separate conveying of cold and hot air and ensure air volume.

[0005] To solve the above problems, the utility model adopts the following technical scheme.

[0006] A device with high efficiency heating and ventilation efficiency, comprising a shell, a mounting cavity is formed in one side of the shell, a sealing cover is mounted at the opening of the mounting cavity, a cold air outlet is formed in the top of the shell, a hot air outlet is formed in the sealing cover, an air inlet is formed in the sealing cover, the air inlet, the cold air outlet and the hot air outlet are communicated with the mounting cavity respectively, a wind guide pipe is rotatably arranged in the mounting cavity, a control assembly for controlling the rotation of the wind guide pipe is arranged in the mounting cavity, the inlet of the wind guide pipe corresponds to the air inlet, the outlet of the wind guide pipe can be adapted to the hot air outlet or the cold air outlet, and an air inlet assembly is arranged in the wind guide pipe.

[0007] Preferably, the control assembly comprises a control motor, a driving wheel and a connecting sheet, the control motor is mounted on the sealing cover, the driving wheel is mounted on the output end of the control motor, the connecting sheet is arc-shaped, the connecting sheet is fixed to the side surface of the wind guide pipe, the center of the connecting sheet is concentric with the rotation axis of the wind guide pipe, and the driving wheel and the connecting sheet are mutually adhered.

[0008] Preferably, the air inlet assembly comprises an air inlet motor and centrifugal blades, the air inlet motor is installed inside the air guide pipe, the rotating shaft of the air inlet motor is perpendicular to the plane of the air inlet, the centrifugal blades are fixedly connected with the output shaft of the air inlet motor, and the centrifugal blades correspond to the air inlet.

[0009] Preferably, the bottom of the shell is provided with a plurality of sliding grooves, the sliding grooves are arranged in a circle, the sliding grooves are arc-shaped, the center of the circle where the sliding grooves are located is concentric with the rotating shaft of the air guide pipe, the sliding grooves are internally provided with sliding rods, the sliding rods are in sliding fit with the sliding grooves, one end of the sliding rod is fixedly connected with the bottom of the air guide pipe, and the other end of the sliding rod is provided with a limiting block.

[0010] Preferably, the inside of the mounting cavity is provided with a communication pipe, one end of the communication pipe is communicated with the hot air pipe, and the other end of the communication pipe is parallel to the sealing cover.

[0011] Preferably, the air guide pipe is provided with an opening at one end close to the shell, and the air inlet assembly is fixedly connected with the shell through the opening.

[0012] Preferably, the air guide pipe is provided with a support at the inlet, the rotating shaft of the air inlet motor penetrates through the support, and the rotating shaft of the air inlet motor is in rotating fit with the support.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] Firstly, the air inlet assembly is used for sucking external air into the air guide pipe through the air inlet, the rotating of the air guide pipe can be controlled through the control assembly, the trouble of manual rotating is avoided, the outlet of the air guide pipe and the cold air outlet or the hot air outlet are connected through control, so that the air exhaust position in the air guide pipe is realized, the cold air outlet and the hot air outlet are separately exhausted, the air inlet assembly only needs to rotate in one direction, and the air outlet in the other direction is realized without reversing, and the air outlet amount is ensured.

[0015] Secondly, the driving wheel is driven by the control motor, the connecting piece is driven to rotate through the friction force between the rotating driving wheel and the connecting piece, the connecting piece drives the air guide pipe to rotate, and the position of the output end of the air guide pipe is adjusted.

[0016] Thirdly, the centrifugal blades are driven to rotate by the air inlet motor, air is sucked from the air inlet through the centrifugal blades, and is exhausted through the outlet of the air guide pipe.

[0017] Fourthly, the sliding grooves, the sliding rods and the limiting blocks are used for connecting the air guide pipe and the shell, the arc-shaped sliding grooves facilitate the rotation of the air guide pipe, and the air guide pipe is prevented from being stuck.

[0018] Fifthly, the communication pipe is used for connecting the hot air outlet and the output end of the air guide pipe.

[0019] Six, the opening is used for fixed connection of the air inlet assembly and the shell, which can avoid rotation of the air guide pipe from driving the air inlet assembly.

[0020] Seven, the support plays a stabilizing role on the rotating shaft of the air inlet motor, and reduces the shaking when the air inlet motor rotates. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a front view three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a structure schematic view of the shell back part for showing the sliding groove, sliding rod and limiting block of the utility model;

[0023] Figure 3 It is a structure schematic view for showing the inside of the installation cavity of the utility model;

[0024] Figure 4 It is a structure schematic view of the air guide pipe and the communication pipe connection of the utility model;

[0025] Figure 5 It is a side view structure schematic view of the shell of the utility model;

[0026] Figure 6 It is an enlarged structure schematic view of A of the utility model.

[0027] Mark explanation in the drawing:

[0028] 1, shell; 2, installation cavity; 3, sealing cover; 4, cold air port; 5, hot air port; 6, air inlet; 7, air guide pipe; 8, control assembly; 9, air inlet assembly; 10, control motor; 11, drive wheel; 12, connecting piece; 13, air inlet motor; 14, centrifugal blade; 15, sliding groove; 16, limiting block; 17, sliding rod; 18, communication pipe; 19, opening; 20, support. DETAILED DESCRIPTION

[0029] Example 1:

[0030] Please refer to Figures 1-6 A device with high heating and ventilation efficiency, comprising a shell 1, the shell 1 is rectangular, a side of the shell 1 is provided with an installation cavity 2, the installation cavity 2 is rectangular, a sealing cover 3 is installed at the opening 19 of the installation cavity 2 through bolts, the sealing cover 3 and the shell 1 can be separated conveniently by bolt installation, so that the inside of the installation cavity 2 is convenient to overhaul, the sealing cover 3 and the installation cavity 2 are mutually adapted, an air inlet 6 is formed in the sealing cover 3, the air inlet 6 and the installation cavity 2 are communicated.

[0031] The air guide pipe 7 is rotatably arranged in the installation cavity 2, one end of the air guide pipe 7 corresponds to and communicates with the air inlet 6, the bottom of the shell 1 is provided with a plurality of sliding grooves 15, the plurality of sliding grooves 15 are arranged in a circle, the sliding grooves 15 are arc-shaped, the center of the circle where the sliding grooves 15 are located is concentric with the rotation axis of the air guide pipe 7, the sliding grooves 15 are provided with sliding rods 17, the sliding rods 17 are in sliding fit with the sliding grooves 15, one end of the sliding rod 17 is fixedly connected with the bottom of the air guide pipe 7, the other end of the sliding rod 17 is provided with a limiting block 16, the sliding grooves 15, the sliding rods 17 and the limiting block 16 are used for connecting the air guide pipe 7 and the shell 1, the arc-shaped sliding grooves 15 can facilitate the rotation of the air guide pipe 7, avoid being stuck, and avoid separation between the air guide pipe 7 and the shell 1, so that the air guide pipe 7 can be conveniently rotated while being tightly connected.

[0032] The side surface of the air guide pipe 7 in contact with the shell 1 is provided with an opening 19, the air guide pipe 7 is provided with an air inlet assembly 9, the air inlet assembly 9 is fixedly connected with the inner side surface of the shell 1 through the opening 19, the air inlet assembly 9 comprises an air inlet motor 13 and a centrifugal blade 14, the air inlet motor 13 is arranged in the air guide pipe 7 and is fixedly connected with the shell 1, the rotation shaft of the air inlet motor 13 is perpendicular to the plane of the air inlet 6, the air guide pipe 7 is provided with a support 20 at the inlet, the rotation shaft of the air inlet motor 13 penetrates through the support 20, and the rotation shaft of the air inlet motor 13 is in rotation fit with the support 20, the support 20 stabilizes the rotation shaft of the air inlet motor 13, reducing the shaking of the air inlet motor 13 during rotation, the centrifugal blade 14 is fixedly connected with the output shaft of the air inlet motor 13, the centrifugal blade 14 corresponds to the air inlet 6, the centrifugal blade 14 is driven to rotate by the air inlet motor 13, air is sucked from the air inlet 6 by the centrifugal blade 14, and then discharged through the outlet of the air guide pipe 7.

[0033] The top of the shell 1 is provided with a cold air outlet 4, the sealing cover 3 is provided with a hot air outlet 5, the cold air outlet 4 and the hot air outlet 5 respectively communicate with the installation cavity 2, the outlet of the air guide pipe 7 can be adapted to the hot air outlet 5 or the cold air outlet 4, the installation cavity 2 is provided with a communication pipe 18, one end of the communication pipe 18 communicates with the hot air outlet 5, the other end of the communication pipe 18 is parallel to the sealing cover 3, the communication pipe 18 is used to convert the air inlet end of the hot air outlet 5 perpendicular to the sealing cover 3 into a state parallel to the sealing cover 3, so as to facilitate communication with the output end of the air guide pipe 7, a heating device can be installed at the hot air outlet 5, so as to heat the air blown out of the hot air outlet 5, the heating device is a conventional technical means for those skilled in the art, and will not be described herein.

[0034] The installation cavity 2 is internally provided with a control assembly 8 for controlling the rotation of the air guide pipe 7, the control assembly 8 comprising a control motor 10, a driving wheel 11 and a connecting piece 12, the control motor 10 being a step motor, which can realize forward and reverse rotation and can accurately control the rotation angle, thereby avoiding separation of the connecting piece 12 and the driving wheel 11 due to excessively large rotation angle, the control motor 10 being mounted on the inner side surface of the sealing cover 3 through bolts, the driving wheel 11 being mounted on the output end of the control motor 10, the outer arc surface of the driving wheel 11 being made of rubber and having a certain elasticity, which can ensure the contact pressure with the connecting piece 12 and can ensure the friction between the driving wheel 11 and the connecting piece 12, the connecting piece 12 being arc-shaped and fixed to the side surface of the air guide pipe 7, the center of the connecting piece 12 being concentric with the rotation axis of the air guide pipe 7, the driving wheel 11 and the connecting piece 12 being mutually attached, the side surface of the connecting piece 12 in contact with the driving wheel 11 being provided with a plurality of anti-skid protrusions arranged in a direction perpendicular to the driving wheel 11, the anti-skid protrusions being capable of increasing the friction between the driving wheel and the connecting piece, thereby ensuring the stability of driving and avoiding slipping, the driving wheel 11 being driven by the control motor 10, the connecting piece 12 being driven to rotate by the friction between the rotating driving wheel 11 and the connecting piece 12, so that the connecting piece 12 drives the air guide pipe 7 to rotate, thereby adjusting the position of the output end of the air guide pipe 7, the air inlet assembly 9 only needing to rotate in one direction and not needing to reverse rotation to realize air outlet in another direction, thereby ensuring the air outlet amount.

[0035] Working principle:

[0036] In use, the device is connected with an external control panel, the operation of the entire device is controlled through the external control panel, when cold air is needed, the control panel drives the control motor 10 to start, the control motor 10 drives the driving wheel 11 to rotate, the rotating driving wheel 11 drives the connecting piece 12 to rotate through friction, the connecting piece 12 drives the air guide pipe 7 to rotate, so that the output end of the air guide pipe 7 rotates to correspond to the cold air outlet 4, the outlet of the air guide pipe 7 and the cold air outlet 4 are in close contact with each other, the air inlet motor 13 rotates, the output end of the air inlet motor 13 drives the centrifugal blade 14 to rotate, thereby sucking air into the air guide pipe 7 through the air inlet 6, the air enters the air guide pipe 7 and is guided by the air guide pipe 7 to be sprayed out of the cold air outlet 4, thereby realizing air exchange of cold air;

[0037] When hot air is needed, the control panel starts to control the motor 10 to reverse, the control motor 10 will drive the drive wheel 11 to reverse, the rotating drive wheel 11 will drive the connecting piece 12 to reverse through friction, the connecting piece 12 will drive the air guide pipe 7 to reverse, so that the output end of the air guide pipe 7 will rotate to correspond to the hot air outlet 5, the outlet of the air guide pipe 7 and the hot air outlet 5 are in close contact with each other, the control panel will drive the air inlet motor 13 to rotate, the output end of the air inlet motor 13 will drive the centrifugal blade 14 to rotate, so as to suck air into the air guide pipe 7 through the air inlet 6, the air enters the air guide pipe 7 through the air inlet 6, and then is guided by the air guide pipe 7 to be sprayed from the hot air outlet 5. Since the hot air outlet 5 is provided with a heating device which is also electrically connected with the control panel, when the hot air outlet 5 sprays air, the control panel will start the heating component to heat the air sprayed from the hot air outlet 5, so as to realize the air exchange of hot air.

[0038] By controlling the connection between the outlet of the air guide pipe 7 and the cold air outlet 4 or the hot air outlet 5, the air discharge position in the air guide pipe 7 is determined, so as to realize the separate air discharge of the cold air outlet 4 and the hot air outlet 5. The air inlet assembly 9 only needs to rotate in one direction, without reversing to realize air discharge in another direction, so as to ensure the air volume.

Claims

1. A device having high heating and ventilation efficiency, characterized by: The utility model provides a kind of air conditioner, including shell (1), the side of the shell (1) is equipped with installation cavity (2), the opening (19) of the installation cavity (2) is equipped with sealing cover (3), the top of the shell (1) is equipped with cold air port (4), the sealing cover (3) is equipped with hot air port (5), the sealing cover (3) is equipped with air inlet (6), the air inlet (6), cold air port (4) and hot air port (5) are respectively and installation cavity (2) communication, the inside of the installation cavity (2) is rotatably provided with air duct (7), the inside of the installation cavity (2) is provided with control assembly (8) for controlling air duct (7) rotation, the import of the air duct (7) corresponds with air inlet (6), the outlet of the air duct (7) can be mutually adapted with hot air port (5) or cold air port (4), the inside of the air duct (7) is provided with air inlet assembly (9).

2. The device with high heating and ventilation efficiency according to claim 1, characterized in that: The control assembly (8) includes a control motor (10), a drive wheel (11), and a connecting piece (12). The control motor (10) is installed on the sealing cover (3). The drive wheel (11) is installed on the output end of the control motor (10). The connecting piece (12) is arc-shaped. The connecting piece (12) is fixed to the side of the air duct (7). The center of the connecting piece (12) is concentric with the rotation axis of the air duct (7). The drive wheel (11) and the connecting piece (12) are mutually attached.

3. The device of claim 1, wherein: The air inlet assembly (9) includes an air inlet motor (13) and centrifugal blades (14). The air inlet motor (13) is installed inside the air duct (7). The rotation shaft of the air inlet motor (13) is perpendicular to the plane of the air inlet (6). The centrifugal blades (14) are fixedly connected to the output shaft of the air inlet motor (13). The centrifugal blades (14) correspond to the air inlet (6).

4. The device of claim 1, wherein: The bottom of the shell (1) is provided with a plurality of sliding grooves (15). The plurality of sliding grooves (15) are arranged in a circle. The sliding grooves (15) are arc-shaped. The center of the sliding grooves (15) is concentric with the rotation axis of the air duct (7). The sliding grooves (15) are provided with sliding rods (17) inside. The sliding rods (17) and the sliding grooves (15) are slidingly matched. One end of the sliding rod (17) is fixedly connected to the bottom of the air duct (7). The other end of the sliding rod (17) is provided with a limiting block (16).

5. The device of claim 1, wherein: The inside of the installation cavity (2) is provided with a communication pipe (18). One end of the communication pipe (18) is communicated with the hot air pipe. The other end of the communication pipe (18) is parallel to the sealing cover (3).

6. The device of claim 1, wherein: The end of the air duct (7) close to the shell (1) is provided with an opening (19). The air inlet assembly (9) is fixedly connected to the shell (1) through the opening (19).

7. The device of claim 3, wherein the device has high heating and ventilation efficiency. The air duct (7) is provided with a support (20) at the import. The rotation shaft of the air inlet motor (13) penetrates through the support (20). The rotation shaft of the air inlet motor (13) and the support (20) are rotationally matched.

Images