CN216522431U

CN216522431U - Static pressure turbine air heating ventilator

Info

Publication number: CN216522431U
Application number: CN202123197457.0U
Authority: CN
Inventors: 叶春锋; 朱震康; 朱利新; 黄盛杰; 张伟杰
Original assignee: Jiaxing Xingshang Smart Home Co ltd
Current assignee: Jiaxing Xingshang Smart Home Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-13
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a static pressure turbine air heating ventilator, wherein a cavity is arranged in a case, an air inlet and an air outlet are arranged on the top surface of the case, a ventilation opening is arranged on the side surface of the case, and a ptc heating module is arranged on the air outlet; the turbofan comprises a fan and a volute, the volute is arranged in the case, an interlayer through space is formed between the bottom of the volute and a bottom plate of the case, the interlayer through space and the cavity form a static pressure cabin, the volute is provided with a first volute opening communicated with the air inlet, the side part of the volute is provided with a second volute opening, a closed communication air channel is arranged between the second volute opening and the scavenging port, and a communication air port communicated with the static pressure cabin is formed in the communication air channel; the switching mechanism comprises a switching baffle, a rotating shaft and a control motor.

Description

Static pressure turbine air heating ventilator

Technical Field

The utility model relates to a kitchen and bathroom electrical appliance, in particular to a static pressure turbine air heating ventilator.

Background

Indoor heaters (heaters) or ventilation fans are common kitchen and bathroom appliances, and are generally used in kitchens and bathrooms. But ventilation and warm air in the existing product are operated by separate motors, so that the electric structure is not simple and convenient enough, and the cost is increased. In addition, the air duct structure of the existing product can not realize that two independent air outlets are arranged on the top surface of the case under the condition of a single motor. The utility model is developed in order to realize the functions of ventilation and warm air more conveniently.

SUMMERY OF THE UTILITY MODEL

In view of the above circumstances, the present invention is to solve the technical problem of more conveniently realizing the functions of ventilation and warm air, and the problem that the top surface of the case has two independent air outlets in the case of a single motor, and to this end, the present invention provides a static pressure turbine warm air ventilator, comprising:

the air conditioner comprises a case, wherein a cavity is formed in the case, an air inlet and an air outlet are formed in the top surface of the case, an air exchanging port is formed in the side surface of the case, and a ptc heating module is arranged on the air outlet;

the turbofan comprises a fan and a volute, the volute is arranged in the case, an interlayer through space is formed between the bottom of the volute and a bottom plate of the case, the interlayer through space and the cavity form a static pressure chamber, the volute is provided with a first volute opening communicated with the air inlet, the side part of the volute is provided with a second volute opening, a closed communication air duct is arranged between the second volute opening and the scavenging port, and a communication air port communicated with the static pressure chamber is formed in the communication air duct;

the switching mechanism comprises a switching baffle, a rotating shaft and a control motor, the switching baffle is installed through the rotating shaft, the control motor is connected to the rotating shaft to control the rotating shaft to rotate, and the switching baffle is controlled by the motor to rotate and is blocked at the communicating air port or the scavenging port;

the main control mechanism is arranged in the case and is in control connection with the ptc heating module, the control motor and the fan.

The utility model has the beneficial effects that:

the utility model controls the air exchange port and the air outlet on the top surface of the case simultaneously by controlling the conversion baffle plate, so that the air exchange port and the air outlet are opened and closed. When the ventilation opening is opened to discharge air, the conversion baffle plate seals and communicates the air opening, so that the air outlet on the top surface of the case is closed; on the contrary, when the ventilation opening is closed, the communication air opening is opened, so that the air outlet on the top surface of the case is used for exhausting air, and meanwhile, the ptc heating module can be used for heating air; or when the air vent is opened for a half, the communicating air port is partially opened, and the air exchange effect of the air vent and the air outlet effect of the air outlet on the top surface of the case are achieved simultaneously.

Furthermore, the communication air duct at least comprises an air duct side plate, and the air duct side plate is arranged on the opening of the second volute and encloses with the top plate of the case and the bottom plate of the case to form the communication air duct; a spoiler is arranged between the bottom edge of the opening of the second volute and the bottom plate of the case; the communicating air port is arranged on the air duct side plate.

Furthermore, an arc-shaped air guide plate group is arranged on the opening of the second volute and comprises at least one arc-shaped air guide plate, and the arc tangential direction of one end, close to the fan, of the arc-shaped air guide plate is the same as the air outlet direction of the fan.

Furthermore, the conversion mechanism also comprises a base, the base is arranged in the case through the rotating shaft, and the conversion baffle is arranged on the base; the base is provided with an arc-shaped tooth edge, a gear is arranged on an output shaft of the control motor, and the gear is meshed with the arc-shaped tooth edge to control the rotation of the base.

Furthermore, the air inlet is arranged in the middle of the top surface of the case, the number of the air outlets is two, and the two air outlets are arranged on two sides of the air inlet; and the air outlets are communicated through the interlayer through space.

Furthermore, the cavity of the case is divided into two cavities by the volute, and the two cavities are communicated through an interlayer through space; the two air outlets are respectively communicated with the two cavities.

Furthermore, the case is at least provided with a chamfer, and the air outlet is arranged on one chamfer.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a schematic view of the internal structure of the present invention.

Fig. 4 is a schematic view of another perspective of the internal structure of the present invention.

Fig. 5 is a side view of the present invention.

Fig. 6 is a sectional view a-a in fig. 5.

Wherein:

case 1

Air outlet 11

Chassis base plate 12

Ventilation opening 13

Air inlet 14

ptc heating module 3

Top plate 15 of cabinet

Switching baffle 41

Base 42

Tooth segment 421

Gear 43

Controlling the motor 44

Rotating shaft 45

Volute 51

Bottom 511 of the volute

Duct side plate 52

Arc-shaped air deflector 53

Spoiler 54

Fan 55

Interlayer through space 56

Detailed Description

The following description is presented to enable any person skilled in the art to make and use the utility model and is incorporated in the context of a particular application. Various modifications, as well as various uses in different applications will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to a wide range of embodiments. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the utility model. It will be apparent, however, to one skilled in the art that the practice of the utility model may not necessarily be limited to these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present invention.

The reader's attention is directed to all papers and documents which are filed concurrently with this specification and which are open to public inspection with this specification, and the contents of all such papers and documents are incorporated herein by reference. All the features disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed is one example only of a generic series of equivalent or similar features.

Note that where used, the designations left, right, front, back, top, bottom, positive, negative, clockwise, and counterclockwise are used for convenience only and do not imply any particular fixed orientation. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is noted that, where used, further, preferably, still further and more preferably is a brief introduction to the exposition of the alternative embodiment on the basis of the preceding embodiment, the contents of the further, preferably, still further or more preferably back band being combined with the preceding embodiment as a complete constituent of the alternative embodiment. Several further, preferred, still further or more preferred arrangements of the belt after the same embodiment may be combined in any combination to form a further embodiment.

The utility model is described in detail below with reference to the figures and specific embodiments. It is noted that the aspects described below in connection with the figures and the specific embodiments are only exemplary and should not be construed as imposing any limitation on the scope of the present invention.

Referring to fig. 1 to 6, the present embodiment provides a static pressure turbine air-warming ventilator, which includes a chassis 1, a turbine fan, a switching mechanism, and a main control mechanism; the main control mechanism is an integrated circuit board commonly used in kitchen and bathroom electrical equipment, which is the prior art, and it is mentioned briefly in this embodiment, a person skilled in the art should be able to know the working principle of the kitchen and bathroom electrical equipment, and the embodiment focuses on describing and protecting the internal structure and structure of the static pressure turbine air heating ventilator, specifically, the inside of the case 1 is provided with a cavity, the top surface of the case 1 is provided with an air inlet 14 and an air outlet 11, the side surface of the case 1 is provided with a ventilation port 13, and the air outlet 11 is provided with a ptc heating module 3; the cavity inside the cabinet 1 provides a mounting space for other components, and the wind flows enter the cavity from the wind inlet 14 and then are blown out from the ventilation opening 13 or the wind outlet 11.

The turbo fan comprises a fan 55 and a volute 51, the volute 51 is arranged in the chassis 1, an interlayer through space 56 is formed between the bottom 511 of the volute and the bottom plate 12 of the chassis, the interlayer through space 56 and the cavity form a static pressure cabin, the volute 51 is provided with a first volute opening communicated with the air inlet 14, the side of the volute 51 is provided with a second volute opening, the first volute opening corresponds to the air inlet 14 and facilitates the fan operation, the second volute opening is used for guiding the air flow of the fan, a closed communication air duct is arranged between the second volute opening and the air exchange port 13, and a communication air port communicated with the static pressure cabin is formed in the communication air duct; the volute 51 is a mounting shell of the fan 55 and used for mounting the fan 55 in the cavity of the case 1, the volute 51 is connected with the case 1, but the existence of the volute 51 can influence the uniform air outlet of the air outlet 11 of the case body, so that the airflow in the cavity is unstable, the airflow of the fan 55 in the volute 51 can firstly fill the whole case 1 through the interlayer through space 56 to form a static pressure effect, then the airflow is uniformly exhausted through the air outlet 11, and the interlayer through space 56 and the cavity of the case at the moment form a static pressure cabin.

The switching mechanism comprises a switching baffle plate 41, a rotating shaft 45 and a control motor 44, the switching baffle plate 41 is installed through the rotating shaft 45, the control motor 44 is connected to the rotating shaft 45 to control the rotating shaft 45 to rotate, and the switching baffle plate 41 is controlled by the motor to rotate and is blocked at the communicating air port or the air exchange port 13; the switching baffle plate 41 is controlled by a control motor 44 to rotate to block the air exchange port 13 and a communication air port which is communicated with the static pressure cabin, and the air outlet 11 is connected with the static pressure cabin, so that the air outlet 11 can be opened and closed in an air blowing mode indirectly.

Further, in order to optimize the structure of the conversion mechanism, the conversion mechanism further comprises a base 42, the base 42 is disposed in the case 1 through the rotating shaft, and the conversion baffle 41 is disposed on the base 42; the base 42 is provided with an arc-shaped toothed edge 421, an output shaft of the control motor 44 is provided with a gear 43, and the gear 43 is meshed with the arc-shaped toothed edge 421 to control the rotation of the base 42; the rotation control of the switching flapper 41 is dispersed into the engagement of the gear 43 with the arc-shaped tooth edge 421; the problem of the rotational speed of motor too fast, need use the speed reducer to adopt and satisfy here drawback that relates to is solved. On the other hand, the rotation of the switching flapper 41 is made more gradual.

The switching mechanism is capable of providing at least three modes of operation:

firstly, the switching baffle plate 41 blocks the ventilation port 13 and opens the communicating air port, so that the air flow enters the static pressure cabin through the communicating air channel, and the whole static pressure cabin is filled with air and then blown through the air outlet 11; at this time, the ptc heating module 3 can select heating, and is in a warm air mode, or in a blowing mode (cool air) without heating;

secondly, the switching baffle plate 41 blocks the communication air port and opens the air exchange port 13, so that the air flow is directly blown out from the air exchange port 13 through the communication air channel, and the indoor air exchange function is achieved (only an air exchange pipeline communicated with the outdoor is installed on the air exchange port 13);

thirdly, the switching baffle plate 41 is opened by half to block neither the ventilation opening 13 nor the communicating air opening, so that the air outlet 11 and the ventilation opening 13 start simultaneously, the air flow is divided into two from the communicating air channel and enters the communicating air opening and the ventilation opening 13 simultaneously, and the air outlet function and the air exchange function are simultaneously performed.

As described above, the main control mechanism is disposed in the chassis 1, and the main control mechanism is connected to the ptc heating module 3, the control motor 44, and the fan 55 in a controlled manner. The main control mechanism is an integrated circuit motherboard, which functions to control the fan 55, the motor 44 and the ptc heating module 3, and the internal programming is preset, and the control process and manner thereof are the prior art, and redundant description is omitted here.

In the embodiment, the interlayer through space 56 is arranged between the bottom 511 of the volute and the bottom plate 12 of the case, when airflow enters the static pressure cabin of the case 1, the cavities on two sides of the volute 51 are filled with the interlayer through space 56, and pressure is gradually applied upwards from the bottom, so that the overall pressure is uniformly increased, and further, the air outlet of the air outlet 11 is stable and continuous; the switching mechanism can switch various functional modes, and the functional diversity of the whole machine is increased.

The communicating air duct is a closed air duct connecting the volute 51 and the scavenging port 13, and aims to prevent air flow from entering the static pressure chamber during scavenging, and for this purpose, the communicating air duct at least comprises an air duct side plate 52, and the air duct side plate 52 is arranged on the second volute opening and encloses with the top plate 15 of the case and the bottom plate 12 of the case to form the communicating air duct; a spoiler 54 is arranged between the bottom edge of the second volute opening and the bottom plate 12 of the case; the communicating air port is arranged on the air duct side plate 52. The spoiler 54 serves to disturb the airflow and closes a gap between the second volute opening and the bottom plate 12 of the casing, which is created by the interlayer through-space 56.

Further, an air guide plate group is arranged on the opening of the second volute and comprises at least one arc-shaped air guide plate 53, and the arc tangential direction of one end, close to the fan 55, of the arc-shaped air guide plate 53 is the same as the air outlet direction of the fan 55. On one hand, the arc-shaped air deflector 53 can comb the air flow coming out of the turbo fan, and the noise can be greatly reduced. Therefore, the arc tangential direction of one end of the arc air deflector 53 close to the fan 55 is the same as the air outlet direction of the fan 55, so that the impact of the air flow is avoided, and the air flow direction is better guided.

Furthermore, the air inlet 14 is arranged in the middle of the top surface of the chassis 1, the number of the air outlets 11 is two, and the two air outlets 11 are arranged on two sides of the air inlet 14; the two air outlets 11 are communicated through the interlayer through space 56. The cavity of the case 1 is divided into two cavities by the volute 51, and the two cavities are communicated through an interlayer through space 56; the two air outlets 11 are respectively communicated with the two cavities.

In order to further reduce the wind noise, the case 1 is provided with a chamfer, and the air outlet 11 is arranged on the chamfer; or the case 1 is at least provided with a chamfer, and the air outlet 11 is arranged on one chamfer, so that impact noise between air flow brought by a right-angle case and a side plate of the case 1 can be reduced.

Many modifications may be made by one of ordinary skill in the art in light of the above teachings. Therefore, it is intended that the utility model not be limited to the particular details of the embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A static pressure turbine air warming ventilator comprising:

2. The static pressure turbine air warming ventilator of claim 1 wherein: the communication air duct at least comprises an air duct side plate, and the air duct side plate is arranged on the opening of the second volute and encloses with the top plate of the case and the bottom plate of the case to form the communication air duct; a spoiler is arranged between the bottom edge of the second volute opening and the bottom plate of the case; the communicating air port is arranged on the air duct side plate.

3. The static pressure turbine air warming ventilator of claim 1 wherein: an arc-shaped air guide plate group is arranged on the opening of the second volute and comprises at least one arc-shaped air guide plate, and the arc tangential direction of one end, close to the fan, of the arc-shaped air guide plate is the same as the air outlet direction of the fan.

4. The static pressure turbine air warming ventilator of claim 1 wherein: the conversion mechanism further comprises a base, the base is arranged in the case through the rotating shaft, and the conversion baffle is arranged on the base; the base is provided with an arc-shaped tooth edge, a gear is arranged on an output shaft of the control motor, and the gear is meshed with the arc-shaped tooth edge to control the rotation of the base.

5. The static pressure turbine air warming ventilator of claim 1 wherein: the air inlet is arranged in the middle of the top surface of the case, the number of the air outlets is two, and the two air outlets are arranged on two sides of the air inlet; and the air outlets are communicated through the interlayer through space.

6. The static pressure turbine air warming ventilator of claim 5 wherein: the cavity of the case is divided into two cavities by the volute, and the two cavities are communicated through an interlayer through space; the two air outlets are respectively communicated with the two cavities.

7. The static pressure turbine air warming ventilator of claim 1 wherein: the case is at least provided with a chamfer, and the air outlet is arranged on one chamfer.