CN217761371U

CN217761371U - High-efficiency energy-saving negative pressure fan

Info

Publication number: CN217761371U
Application number: CN202221195829.8U
Authority: CN
Inventors: 刘敏
Original assignee: Dongguan Minxin Industrial Co ltd
Current assignee: Dongguan Minxin Industrial Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-11-08
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a high-efficiency energy-saving negative pressure fan, which comprises a frame body, a variable frequency motor, a fan blade component and a control module, the technical scheme of the utility model is that the variable frequency motor, the fan blade component and the control module are arranged in the frame body and the frame body of the negative pressure fan, the control module is electrically connected with the variable frequency motor, the control module is used for controlling the opening, the closing and the adjusting of the rotating speed of the variable frequency motor, the fan blade component comprises an impeller and a fan blade part, the variable frequency motor is connected with the fan blade component in a transmission way, the motor adopts the mode of the variable frequency motor and the wireless control, the energy efficiency can be well reduced, and the variable frequency motor has the advantages of simple structure, small volume and good durability; and the spark is not easy to generate when the device is started, the environmental adaptability is strong, a wireless control mode is adopted, and the operation is simple and convenient.

Description

High-efficiency energy-saving negative pressure fan

Technical Field

The utility model relates to an energy saving and emission reduction technical field, in particular to energy-efficient negative-pressure air fan.

Background

The existing motor of the negative pressure fan usually adopts a direct current speed motor to drive fan blades to rotate, the negative pressure fan adopting the motor has low energy efficiency, and an alternating current motor has a complex structure, a large volume and is not durable; the spark is easy to generate during starting, and the environmental adaptability is poor; and the existing negative pressure fan adopts a control mode of connecting a wire with a controller, so that the mode can bring high requirements on installation environment, is not convenient to operate, and has a single function in an operation mode.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a high-efficiency energy-saving negative pressure fan, aiming at solving the problems that the existing negative pressure fan has low energy efficiency, and an alternating current motor has a complex structure, large volume and is not durable; easy spark generation during starting, poor environment adaptability, high installation environment requirement, inconvenient operation and single function.

In order to realize the above object, the utility model provides an energy-efficient negative-pressure air fan, the inside including framework, framework is equipped with inverter motor, flabellum subassembly and control module, is connected between control module and the inverter motor electricity, and control module includes wireless receiving device, and control module is used for controlling opening, closing and adjusting inverter motor's the rotational speed of negative-pressure air fan, and the flabellum subassembly includes impeller and flabellum spare, and inverter motor is connected with the transmission of flabellum subassembly.

Furthermore, the control module further comprises a wireless transmitting device, the wireless receiving device is in signal connection with the wireless transmitting device in a matching mode, and the wireless transmitting device is an external device (a mobile phone or a flat panel) or a wireless controller matched with the negative pressure fan and used for wirelessly controlling or remotely controlling the negative pressure fan to be turned on and off and adjusting the rotating speed of the variable frequency motor.

Furthermore, the wireless receiving device and the wireless transmitting device are in wireless connection in a WIFI and bluetooth mode.

Furthermore, the variable frequency motor comprises a motor, a frequency converter and a variable frequency control circuit, wherein the motor, the frequency converter and the variable frequency control circuit are electrically connected, and the variable frequency motor is fixedly arranged on the inner side of the frame body.

Further, the speed regulation range of the frequency converter is 0-2800r/min.

Furthermore, the speed gear adjusting quantity of the frequency converter is at least two gears or more than two gears.

Furthermore, a transmission part of the variable frequency motor is in transmission connection with the impeller through a belt, and a ventilation and heat dissipation system of the variable frequency motor adopts an axial flow fan for heat dissipation.

Further, the fan blade piece comprises a base and at least three fan blades, the at least three fan blades are uniformly distributed on the base at intervals along the circumferential direction, and the base and the fan blades are integrally formed in an injection molding mode.

Furthermore, the novel window frame further comprises a louver assembly, wherein the louver assembly comprises louvers and connecting pieces, the louvers are arranged at intervals from top to bottom, and the louvers are pivotally arranged on the frame body through the connecting pieces.

Further, still include the protection casing, the protection casing sets up in the opposite side of framework with the tripe subassembly.

The utility model discloses technical scheme is through being equipped with inverter motor, flabellum subassembly and control module with negative-pressure air fan's framework, the inside of framework, the electricity is connected between control module and the inverter motor, control module is used for controlling opening, closing and the regulation inverter motor's of negative-pressure air fan rotational speed, the flabellum subassembly includes impeller and flabellum spare, inverter motor is connected with the transmission of flabellum subassembly, the motor adopts inverter motor and wireless control's mode, can reduce the efficiency better, this inverter motor simple structure, small, the durability is good; and the spark is not easy to generate when the device is started, the environment adaptability is strong, a wireless control mode is adopted, and the operation is simple and convenient.

Drawings

Fig. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

fig. 3 is a rear view of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a perspective view of the variable frequency motor of the present invention;

fig. 6 is an exploded view of the inverter motor of the present invention.

Wherein the figures include the following reference numerals:

100. a frame body; 10. a variable frequency motor; 11. a variable frequency control circuit; 101. a transmission section; 102. a belt; 20. A fan blade assembly; 21. an impeller; 22. a fan blade member; 221. a base; 222. a fan blade; 31. a wireless transmission device; 50. a shutter assembly; 51. a louver; 52. a connecting member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial \8230 \ 8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

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

The utility model provides an energy-efficient negative-pressure air fan, see that fig. 1 to 6 are shown, including framework 100, framework 100's inside is equipped with inverter motor 10, flabellum subassembly 20 and control module (not shown), the electricity is connected between control module (not shown) and inverter motor 10, control module (not shown) includes wireless receiving device, control module (not shown) are used for controlling opening, closing and the rotational speed of control inverter motor 10 of negative-pressure air fan, flabellum subassembly 20 includes impeller 21 and flabellum spare 22, inverter motor 10 is connected with the transmission of flabellum subassembly 20.

The embodiment of the present invention provides that the control module (not shown) further comprises a wireless transmitter 31, the wireless receiver cooperates with the wireless transmitter 31 to perform signal connection, and the wireless transmitter 31 can be a wireless transmitter cooperating with an external device (mobile phone, tablet) to perform wireless connection, so as to control the rotation speed of the inverter motor 10 and open, close and control the vacuum blower under wireless control or remote control.

Specifically, wireless connection is carried out between the wireless receiving device and the wireless sending device 31 in a WIFI and basket tooth mode, the wireless sending device 31 can also adopt a wireless controller matched with a negative pressure fan, and the wireless controller sends a signal to the wireless receiving device to realize wireless control over a product.

The embodiment of the utility model provides an in, inverter motor 10 includes motor, converter and frequency conversion control circuit, motor, converter and frequency conversion control circuit 11 electric connection, and inverter motor 10 installation is fixed in the inboard of framework 100, and inverter motor 10 is equipped with the installation base, has seted up the mounting hole that supplies the screw to pass through in the base, installs inverter motor 10 detachably in framework 100 through the screw.

Specifically, the speed regulation range of the frequency converter is 0-2800r/min.

Specifically, the speed gear adjustment number of the frequency converter is at least two gears or more, preferably, the wireless transmission device 31 adopts stepless adjustment, and the total gear can adopt three gears, four gears, five gears, six gears or more and other gears according to the use requirement.

Specifically, the transmission part 101 of the variable frequency motor 10 is in transmission connection with the impeller 21 through the belt 102, the ventilation and heat dissipation system of the variable frequency motor 10 adopts an axial flow fan for heat dissipation, and the function of adopting the axial flow fan for heat dissipation is as follows: ultra-silent, long service life, strong wind power.

In the embodiment of the present invention, the fan blade 22 includes a base 221 and at least three fan blades 222, the at least three fan blades are disposed on the base 221 along the circumferential direction with uniform distribution, and the base 221 and the fan blades 222 are integrally formed by injection molding.

The utility model discloses an in the embodiment, still include tripe subassembly 50, tripe subassembly 50 includes tripe and connecting piece 52, and a plurality of tripes are arranged the interval from top to bottom and are set up, but a plurality of tripes pass through connecting piece 52 pivot and install in framework 100, and the tripe is many curved surface structural design, can strengthen the life and the structural strength of tripe greatly through many curved surface design.

In the embodiment of the present invention, the protecting cover (not shown) is further included, the protecting cover (not shown) is disposed on the other side of the frame 100 opposite to the louver assembly 50, and the protecting cover (not shown) is used for preventing dust, protecting safety of internal components of the negative pressure fan, and preventing unnecessary accidents.

In the embodiment of the present invention, the above is only the preferred embodiment of the present invention, not therefore limiting the patent scope of the present invention, all are in the utility model discloses a under the design, utilize the equivalent structure transform of the content of the specification and the attached drawings made, or direct/indirect application all includes in other relevant/close technical field the patent protection scope of the present invention.

Claims

1. The utility model provides an energy-efficient negative-pressure air fan, its characterized in that, the inside including framework, framework is equipped with inverter motor, flabellum subassembly and control module, is connected between control module and the inverter motor electricity, and control module includes wireless receiving device, and control module is used for controlling opening, closing and adjusting inverter motor's the rotational speed of negative-pressure air fan, and the flabellum subassembly includes impeller and flabellum spare, and inverter motor is connected with the transmission of flabellum subassembly.

2. The energy-efficient negative-pressure air blower of claim 1, characterized in that: the control module further comprises a wireless transmitting device, the wireless receiving device is in signal connection with the wireless transmitting device in a matched mode, and the wireless transmitting device is a wireless controller matched with a mobile phone, a panel external device or the negative pressure air fan and used for wirelessly controlling or remotely controlling the negative pressure air fan to be started or closed and adjusting the rotating speed of the variable frequency motor.

3. The energy-efficient negative-pressure air blower of claim 2, characterized in that: the wireless receiving device and the wireless transmitting device are in wireless connection in a WIFI and bluetooth mode.

4. The high-efficiency energy-saving negative pressure fan as claimed in claim 1, characterized in that: the variable frequency motor comprises a motor, a frequency converter and a variable frequency control circuit, the motor, the frequency converter and the variable frequency control circuit are electrically connected, and the variable frequency motor is fixedly arranged on the inner side of the frame body.

5. The efficient energy-saving negative pressure fan as claimed in claim 4, characterized in that: the speed regulating range of the frequency converter is 0-2800r/min.

6. The efficient energy-saving negative pressure fan as claimed in claim 4, characterized in that: the speed gear adjusting quantity of the frequency converter is at least two gears or more than two gears.

7. The efficient energy-saving negative pressure fan as claimed in claim 4, characterized in that: the transmission part of the variable frequency motor is in transmission connection with the impeller through a belt, and the ventilation and heat dissipation system of the variable frequency motor adopts an axial flow fan for heat dissipation.

8. The energy-efficient negative-pressure air blower of claim 1, characterized in that: the fan blade piece comprises a base and at least three fan blades, wherein the at least three fan blades are uniformly distributed along the circumferential direction at intervals and are arranged on the base, and the base and the fan blades are integrally molded by injection.

9. The energy-efficient negative-pressure air blower of claim 1, characterized in that: the novel window frame is characterized by further comprising a louver assembly, wherein the louver assembly comprises louvers and connecting pieces, the louvers are arranged at intervals from top to bottom, and the louvers are pivotally arranged in the frame body through the connecting pieces.

10. The energy-efficient negative-pressure air blower of claim 1, characterized in that: the shutter assembly is arranged on the other side of the frame body.