阅读说明：本技术 导风板驱动装置、空调器及其使用方法 (Air deflector driving device, air conditioner and using method of air deflector driving device ) 是由 陈成 何志超 胡佳伟 何阿龙 *** 于 2019-09-12 设计创作，主要内容包括：本发明提供一种导风板驱动装置,包括有风口壳体,驱动机、偏心轮、多个导风组件和连接件,所述驱动机固定于所述风口壳体内,所述驱动机的输出端与所述偏心轮固定且用于带动所述偏心轮单向转动,所述导风组件转动连接于所述偏心轮上且能够相对于所述偏心轮上下转动,所述连接件的两端分别铰接于两个相邻的所述导风组件之间,所述导风组件上还固定有用于限定所述偏心轮与所述导风组件相对位置的预紧装置,该导风板驱动装置,能够有效改善导风板扫风时,产生的周期性低频异响噪声,优化了整机噪声的声品质。(The invention provides an air deflector driving device which comprises an air inlet shell, a driving machine, an eccentric wheel, a plurality of air guiding assemblies and a connecting piece, wherein the driving machine is fixed in the air inlet shell, the output end of the driving machine is fixed with the eccentric wheel and is used for driving the eccentric wheel to rotate in a single direction, the air guiding assemblies are rotatably connected to the eccentric wheel and can rotate up and down relative to the eccentric wheel, two ends of the connecting piece are respectively hinged between two adjacent air guiding assemblies, and a pre-tightening device used for limiting the relative positions of the eccentric wheel and the air guiding assemblies is further fixed on the air guiding assemblies.)

1. A driving device of an air deflector is characterized in that: the wind gap air conditioner comprises a wind gap shell, a driving machine, an eccentric wheel, a plurality of wind guide assemblies and a connecting piece, wherein the driving machine is fixed in the wind gap shell, the output end of the driving machine is fixed with the eccentric wheel and is used for driving the eccentric wheel to rotate in a single direction, the wind guide assemblies are rotatably connected onto the eccentric wheel and can rotate up and down relative to the eccentric wheel, two ends of the connecting piece are respectively hinged between the two adjacent wind guide assemblies, and a pre-tightening device used for limiting the relative positions of the eccentric wheel and the wind guide assemblies is further fixed on the wind guide assemblies.

2. The air deflection drive assembly of claim 1, wherein: the air guide assembly comprises an air guide plate push rod, a micro motor and an air guide plate, the micro motor is fixed on the air guide plate push rod, and the output end of the micro motor is fixedly connected with the air guide plate and is used for driving the air guide plate to rotate freely.

3. The air deflection drive assembly of claim 2, wherein: the air deflector push rod comprises a first push rod, a second push rod and a third push rod, wherein the second push rod and the third push rod are perpendicular to the first push rod, the second push rod is located at the upper end of the first push rod and extends leftwards, and the third push rod is located at the lower end of the first push rod.

4. The air deflection drive assembly of claim 3, wherein: the first push rod and the axial line of the eccentric wheel are arranged in parallel.

5. The air deflection drive assembly of claim 3, wherein: and one end of the second push rod is provided with a connecting ring for connecting a pre-tightening device, and the connecting ring and the second push rod are of an integral structure.

6. The air deflection drive assembly of claim 3, wherein: the second push rod is positioned at the upper end of the eccentric wheel and is abutted against the circumferential wall of the eccentric wheel, the tail end of the third push rod is fixedly provided with a micro motor, one end of the pre-tightening device is fixed on the first push rod through a connecting ring, and the other end of the pre-tightening device is fixed on the inner wall of the tuyere shell.

7. The air deflection drive assembly of claim 1, wherein: the eccentric wheel comprises a connecting lantern ring and an annular wheel body, the connecting lantern ring is fixed on the annular wheel body, and the diameter of the eccentric wheel is consistent with the thickness of the eccentric wheel.

8. The air deflection drive assembly of claim 1, wherein: the pre-tightening device is a pre-tightening spring, the length of the pre-tightening spring can freely stretch relative to the air guide assembly, and the driving machine is a direct current motor.

9. An air conditioner, characterized in that: comprising an air deflection arrangement according to any one of claims 1 to 8.

10. The method of using an air deflection drive assembly according to any one of claims 1-8, further comprising: the method comprises the following steps:

(1) starting up;

(2) driving the air guide assembly to operate: the driving machine is started to drive the eccentric wheel to rotate clockwise, the air guide assembly is driven to rotate through the eccentric wheel, and meanwhile, the driving machine is matched with the pre-tightening device to push the air guide plate to sweep air up and down in a reciprocating mode;

(3) wind sweeping: the air guide assembly operates to sweep air up and down in a reciprocating manner.

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air deflector driving device, an air conditioner and a using method of the air deflector driving device.

Background

The stepping motor is an ideal executing element commonly used in modern digital control systems, and has the advantages of low price, simple control and the like, thereby being widely applied. However, the noise generated by the stepping motor is more difficult to endure especially when the stepping motor is started or stopped.

At present, the air outlet of an indoor unit is controlled by a stepping motor to reciprocate an air deflector so as to realize up-and-down air sweeping, but a plurality of stepping motors can generate buzzing sound and abnormal sound when in operation, and in addition, the motors realize reciprocating motion by reversing forward and reverse directions so as to generate periodic abnormal sound, the sound is easy to be amplified, the sound quality of the indoor unit is seriously influenced, and after-sale complaints are caused.

The reasons for the running noise of the stepping motor are many, but mainly caused by the following factors: 1. when the stepping motor operates, low-frequency vibration exists, namely, the rotor oscillation phenomenon exists, so that gear collision is caused, and noise is generated. Especially when two phases are simultaneously powered, if the two phases are unbalanced, the vibration is more severe, and great noise is generated. The noise is caused by the inherent characteristics of the stepping motor and cannot be solved in principle, 2, the stepping motor has a resonance point, the motor can vibrate automatically at the resonance frequency to generate great noise, and 3, the stepping motor can generate noise due to impact when being started and stopped at high frequency.

Disclosure of Invention

In view of the above, an object of the present invention is to provide an air deflector driving device, which can effectively improve periodic low frequency abnormal noise generated when an air deflector sweeps air, and optimize the sound quality of the whole noise.

One of the purposes of the invention is realized by the following technical scheme:

the embodiment of the invention provides an air deflector driving device which comprises an air inlet shell, a driving machine, an eccentric wheel, a plurality of air guide assemblies and a connecting piece, wherein the driving machine is fixed in the air inlet shell, the output end of the driving machine is fixed with the eccentric wheel and is used for driving the eccentric wheel to rotate in a single direction, the air guide assemblies are rotatably connected to the eccentric wheel and can rotate up and down relative to the eccentric wheel, two ends of the connecting piece are respectively hinged between two adjacent air guide assemblies, and a pre-tightening device used for limiting the relative positions of the eccentric wheel and the air guide assemblies is further fixed on each air guide assembly.

Furthermore, the air guide assembly comprises an air guide plate push rod, a micro motor and an air guide plate, the micro motor is fixed on the air guide plate push rod, and the output end of the micro motor is fixedly connected with the air guide plate and is used for driving the air guide plate to rotate freely.

Furthermore, the air deflector push rod comprises a first push rod, and a second push rod and a third push rod which are perpendicular to the first push rod, the second push rod is positioned at the upper end of the first push rod and extends leftwards, and the third push rod is positioned at the lower end of the first push rod.

Furthermore, the axial lines of the first push rod and the eccentric wheel are arranged in parallel.

Furthermore, one end of the second push rod is provided with a connecting ring for connecting a pre-tightening device, and the connecting ring and the second push rod are of an integrated structure.

Furthermore, the second push rod is positioned at the upper end of the eccentric wheel and is abutted against the circumferential wall of the eccentric wheel, the tail end of the third push rod is fixedly provided with a micro motor, one end of the pre-tightening device is fixed on the first push rod through a connecting ring, and the other end of the pre-tightening device is fixed on the inner wall of the tuyere shell.

Furthermore, the eccentric wheel comprises a connecting lantern ring and an annular wheel body, the connecting lantern ring is fixed on the annular wheel body, and the diameter of the eccentric wheel is consistent with the thickness of the eccentric wheel.

Furthermore, the pre-tightening device is a pre-tightening spring, the length of the pre-tightening spring can freely stretch and retract relative to the air guide assembly, and the driving machine is a direct current motor.

The embodiment of the invention also provides an air conditioner which comprises the air deflector driving device.

Compared with the prior art, the invention has the following beneficial effects: the air guide assembly is provided with the driving machine, the eccentric wheel and the pre-tightening device, so that the air guide assembly can drive the eccentric wheel through the driving machine and is matched with the pre-tightening device for limiting and fixing in the air sweeping process, the air guide assembly can realize reciprocating air sweeping motion, the stepping motor is not required to perform forward rotation and reverse rotation, the noise quality of an indoor unit is effectively improved, the abnormal sound noise problem generated by the driving device during air sweeping is solved, the evaluation on the air conditioner quality is improved on the sense of a user, the after-sale complaint risk is reduced, meanwhile, frequent starting and stopping and reversing are not required, the service life of the driving machine is prolonged while abnormal sound is controlled, and the reliability of the whole machine is improved.

The second purpose of the invention is to provide a use method of the air deflector driving device to avoid the defects in the prior art, the use method of the air deflector driving device can conveniently and quickly realize air sweeping, and the problem of abnormal noise generated by the driving device during air sweeping is effectively solved in the air sweeping process.

The second purpose of the invention is realized by the following technical scheme:

(1) starting up;

(2) driving the air guide assembly to operate: the driving machine is started to drive the eccentric wheel to rotate clockwise, the air guide assembly is driven to rotate through the eccentric wheel, and meanwhile, the driving machine is matched with the pre-tightening device to push the air guide plate to sweep air up and down in a reciprocating mode;

(3) wind sweeping: the air guide assembly operates to sweep air up and down in a reciprocating manner.

Compared with the prior art, the invention has the following beneficial effects: the use method can conveniently and quickly realize wind sweeping, and effectively improve the problem of abnormal noise generated by the driving device during wind sweeping in the wind sweeping process.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic overall structure diagram of an air deflector driving device according to the present invention.

Fig. 2 is a top view of an air deflection assembly according to the present invention.

Fig. 3 is a schematic view illustrating the opening of the air guide plate according to the present invention.

Fig. 4 is a schematic view of the wind deflector of the present invention.

Fig. 5 is a perspective view of the drive machine and eccentric of the present invention.

FIG. 6 is a perspective view of the eccentric wheel of the present invention.

FIG. 7 is a schematic view of the push rod of the air deflector of the present invention.

FIG. 8 is a partial schematic view of the push rod of the air deflector of the present invention.

FIG. 9 is a flow chart illustrating the use of the push rod of the air deflector of the present invention.

The figure includes: the air inlet comprises an air inlet shell 1, a driving machine 2, an eccentric wheel 3, a connecting sleeve ring 31, an annular wheel body 32, an air guide assembly 4, an air guide plate push rod 41, a first push rod 411, a second push rod 412, a third push rod 413, a connecting ring 414, a micro motor 42, an air guide plate 43, a connecting piece 5 and a pre-tightening device 6.

Detailed Description

The invention is further described with reference to the following examples.

As shown in fig. 1-8, an embodiment of the present invention provides an air deflector driving device, which includes an air port casing 1, a driving machine 2, an eccentric wheel 3, a plurality of air guiding assemblies 4 and a connecting member 5, further, the driving machine 2 is a dc motor, and since the dc motor does not generate periodic noise during driving, not only can satisfy the function of the device, but also can effectively improve the noise quality of an indoor unit, the driving machine 2 is bolted in the air port casing 1, the output end of the driving machine 2 is fixed with the eccentric wheel 3 and is used for driving the eccentric wheel 3 to rotate in one direction, the air guiding assemblies 4 are rotatably connected to the eccentric wheel 3 and can rotate up and down relative to the eccentric wheel 3, two ends of the connecting member 5 are respectively hinged between two adjacent air guiding assemblies 4, a pre-tightening device 6 for limiting the relative positions of the eccentric wheel 3 and the air guiding assemblies 4 is further fixed on the, because the driving machine 2, the eccentric wheel 3 and the pre-tightening device 6 are arranged, the air guide assembly 4 can drive the eccentric wheel 3 through the driving machine 2 and is matched with the pre-tightening device 6 for limiting and fixing, the air guide assembly 4 can realize reciprocating air sweeping motion, and the stepping motor is not required to perform forward rotation and reverse rotation, so that the noise quality of the indoor machine is effectively improved, the problem of abnormal sound generated by the driving device during air sweeping is solved, a user is enabled to improve the evaluation on the quality of the air conditioner on senses, the after-sale complaint risk is reduced, frequent starting, stopping and reversing are not required, the service life of the driving machine is prolonged while the abnormal sound is controlled, and the reliability of the whole machine is improved.

In a preferred embodiment, the air guiding assembly 4 includes an air guiding plate push rod 41, a micro motor 42 and an air guiding plate 43, the micro motor 42 is fixed on the air guiding plate push rod 41, an output end of the micro motor 42 is fixedly connected with the air guiding plate 43 and acts on a hinge between the air guiding plate push rod 42 and the air guiding plate 43 to drive the air guiding plate 43 to rotate freely, and the air guiding plate 43 can rotate at different angles through the cooperation of the micro motor 42 and the air guiding plate 43, so that the air guiding effect of the air guiding plate 43 is improved, further, the wind sweeping angle of the air guiding plate push rod 41 needs to be changed, and wind sweeping up and down at different angles of the air guiding plates 43 can be realized by changing the initial rotation angle of the micro motor 42.

In a preferred embodiment, the air deflector push rod 41 comprises a first push rod 411, and a second push rod 412 and a third push rod 413 which are perpendicular to the first push rod 411, the second push rod 412 is located at the upper end of the first push rod 411 and extends leftwards, the third push rod 413 is located at the lower end of the first push rod 411, and further, the axial lines of the first push rod 411 and the eccentric wheel 3 are arranged in parallel to each other, so that the stability of the air deflector push rod 41 is ensured.

In a preferred embodiment, a connecting ring 414 for connecting the pre-tightening device 6 is arranged at one end of the second push rod 412, the connecting ring 414 and the second push rod 412 are of an integral structure, and the pre-tightening device 6 can be well fixed through the connecting ring 414, and meanwhile, the pre-tightening device 6 is more convenient to detach and install.

In a preferred embodiment, the second push rod 412 is located at the upper end of the eccentric wheel 3 and abuts against the circumferential wall of the eccentric wheel 3, the end of the third push rod 413 is fixed with the micro motor 42, one end of the pre-tightening device 6 is fixed on the first push rod 411 through the connecting ring 414, and the other end of the pre-tightening device is fixed on the inner wall of the tuyere housing 1, and the relative position between the eccentric wheel 3 and the air deflector push rod 41 can be ensured through the pre-tightening device 6, so that in the rotating process of the eccentric wheel 3, two contact surfaces of the eccentric wheel 3 and the plate push rod 41 are kept in contact in any motion state, and the normal operation of the eccentric wheel 3.

In the preferred embodiment, the eccentric wheel 3 comprises a connecting sleeve ring 31 and an annular wheel body 32, the connecting sleeve ring 31 is fixed on the annular wheel body 32, the diameter of the eccentric wheel 3 is consistent with the thickness of the eccentric wheel 3, and the annular wheel body 32 is hollow in the middle, so that the whole eccentric wheel 3 is light in weight, convenient to rotate and capable of reducing the load of weight, and meanwhile compared with the existing solid wheel body, the structure is simpler, and the appearance is more attractive.

In a preferred embodiment, the pre-tightening device 6 is a pre-tightening spring, the length of the pre-tightening spring can freely extend and contract relative to the air guide assembly 4, after the air guide plate push rod 41 is pushed out to the limit position by the eccentric wheel 3 through the pre-tightening device 6, the air guide plate push rod 41 is pulled back to the initial position through the pulling force of the pre-tightening spring, and the circulation is carried out, so that the air guide plate 43 can sweep air up and down in a reciprocating manner.

As shown in fig. 1 to 4, the wind sweeping method of the wind deflector driving device of the present invention is as follows:

firstly, acting on the hinged position between the air deflector push rod 41 and the air deflector 43 through the micro motor 42, enabling the two air deflectors 43 to rotate clockwise by a certain angle around the hinged position of the air deflector push rod 41 respectively and to be fixedly locked, and realizing air supply after the unit is started; then, the driving machine 2 drives the eccentric wheel 3 to rotate clockwise, the eccentric wheel 3 pushes the air deflector push rod 41 to make the air deflector push rod 41 do circular motion around the air outlet, so that the rotation of the air deflector 43 and the air deflector push rod 41 is realized, wherein the rear side of the air deflector push rod 41 is connected with the air outlet shell 1 through the pre-tightening device 6, the air deflector push rod 41 is pushed out to the limit position by the eccentric wheel 5 and then the air deflector push rod 41 is pulled back to the initial position through the pulling force of the pre-tightening device 6, and the circulation is performed in such a way, so that the up-;

the embodiment of the invention also provides an air conditioner which comprises the air deflector driving device.

The embodiment of the invention also provides a use method of the air deflector driving device, which comprises the following steps:

(1) starting up;

(2) the micro motor 42 operates: the micro motor 42 is started and acts on the hinged position between the push rod 41 of the air deflector 43 and the air deflector 43;

(3) the air deflector 43 is locked after rotating a certain angle α: the two micro motors 42 act to make the two air deflectors 43 rotate clockwise by a certain angle alpha around the hinge joint of the push rod 41 of the air deflector 43 and be locked fixedly (the angle alpha can be set in advance by a user, a limiting mechanism is arranged below the push rod 41 of the air deflector 43, and the range of the deflection angle alpha is 0-45 degrees).

(4) Air outlet: and air supply is realized after the unit is started.

(5) The system receives a wind sweeping instruction;

(6) the driving machine 2 acts: the driving machine 2 is started;

(7) driving the eccentric wheel 3: the driving machine 2 drives the eccentric wheel 3 to rotate clockwise;

(8) pushing air deflector 43 push rod 41: the eccentric wheel 3 pushes the air deflector push rod 41 to make the air deflector push rod 41 do circular motion around the air outlet, so that the rotation of the air deflector 43 and the air deflector push rod 41 is realized;

(9) the limit position pre-tightening device 6 pulls the air deflector push rod 41 back to the initial position: the rear side of a push rod 41 of the air deflector 43 is connected with a pre-tightening device 6 for an air outlet bottom shell, so that the push rod 41 of the air deflector 43 is pushed out to the limit position by the eccentric wheel 3 and then the push rod 41 of the air deflector is pulled back to the initial position by the pulling force of the pre-tightening device 6, and the air deflector 43 can sweep air up and down in a reciprocating manner in such a circulating manner;

(10) and (3) finishing wind sweeping: the connecting piece 5 is connected with the two air guide plate push rods 41 and drives the two air guide plates 43 to rotate around the air outlet shell to form a hinged four-bar mechanism, and under the condition that the corresponding bar lengths are equal, the rotating angles of the two air guide plate push rods 41 are the same, so that the two or more air guide plates 43 can sweep air in parallel.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.