阅读说明：本技术 一种手摇扇自动摆动送风装置及其摆风控制方法 (Automatic swinging air supply device of hand-operated fan and air swinging control method thereof ) 是由 崔广兴 于 2020-07-30 设计创作，主要内容包括：本发明提供一种送风柔和的手摇扇自动摆动送风装置,包括支撑座、固设于支撑座上方的支撑杆、驱动控制单元、与驱动控制单元传动连接的送风传动机构以及与送风传动机构端部插接的摇扇,驱动控制单元通过安装治具固设于支撑杆上,驱动控制单元用于为送风传动机构提供动力用以带动摇扇往复摆风。一种手摇扇自动摆动送风装置的摆风控制方法,包括如下步骤：预设摆动杆的摆幅数值范围、电压增量阈值和电压调节值；获取电位器的当前采样电压值和上一次的采样电压值,计算并得到二者的电压值差值；将上述电压值差值与预设的调节阈值进行比较获得当前电压信号；主控芯片输出当前电压信号。本发明能提供温和的类自然风,适用于睡眠条件下的送风。(The invention provides a hand-operated fan automatic swinging air supply device with soft air supply, which comprises a supporting seat, a supporting rod fixedly arranged above the supporting seat, a driving control unit, an air supply transmission mechanism in transmission connection with the driving control unit and a swinging fan inserted into the end part of the air supply transmission mechanism, wherein the driving control unit is fixedly arranged on the supporting rod through a mounting jig, and is used for providing power for the air supply transmission mechanism to drive the swinging fan to swing air in a reciprocating manner. A swing control method of a hand-operated fan automatic swing air supply device comprises the following steps: presetting a swing amplitude value range, a voltage increment threshold value and a voltage regulating value of a swing rod; acquiring a current sampling voltage value and a last sampling voltage value of the potentiometer, and calculating and obtaining a voltage value difference value of the current sampling voltage value and the last sampling voltage value; comparing the voltage value difference with a preset regulation threshold value to obtain a current voltage signal; the main control chip outputs a current voltage signal. The invention can provide mild natural wind and is suitable for air supply under the sleeping condition.)

1. The utility model provides a hand fan automatic swing air supply arrangement, its characterized in that, including supporting seat (1), set firmly in bracing piece (2), drive control unit (3) of supporting seat (1) top, with air supply drive mechanism (4) that drive control unit (3) transmission is connected and with fan (5) are shaken in air supply drive mechanism (4) tip grafting, drive control unit (3) set firmly in through installation tool (6) on bracing piece (2), drive control unit (3) are used for doing air supply drive mechanism (4) provide power and are used for driving it is reciprocal pendulum wind to shake fan (5).

2. The automatic air supply arrangement that swings of hand fan of claim 1, characterized in that, air supply drive mechanism (4) includes swinging arms (41) and transmission rocking arm subassembly (42), the articulated transmission portion (411) of bottom fixedly connected with of swinging arms (41), transmission rocking arm subassembly (42) includes first rocking arm (421) and second rocking arm (422), the one end of first rocking arm (421) with the output fixed connection of driving motor (31), the other end of first rocking arm (421) with the one end of second rocking arm (422) is rotated and is connected, the other end of second rocking arm (422) with articulated transmission portion (411) is rotated and is connected.

3. The automatic swinging air supply device of the hand-operated fan as claimed in claim 2, wherein the air supply transmission mechanism (4) further comprises an elastic piece (423), the elastic piece (423) is bent into an arc shape, one end of the elastic piece (423) and one side of the swinging rod (41) departing from the hinged transmission part (411) are fixedly connected, and the other end of the elastic piece (423) and the installation jig (6) are fixedly connected.

4. The automatic swinging air supply device of the hand-operated fan as claimed in claim 3, wherein the air supply transmission mechanism (4) comprises a swinging rod (41), a through groove (412) is formed at one end of the swinging rod (41), and one end of the swinging rod (41) far away from the through groove (412) is fixedly connected with the output end of the driving motor (31).

5. The automatic swinging air supply device of the hand-operated fan as claimed in claim 4, wherein the thickness dimension of the through groove (412) is matched with the thickness dimension of the swing fan (5).

6. The automatic swinging air supply device of the hand-operated fan as claimed in claim 1, wherein a height adjusting mechanism (7) is arranged on the support rod (2), the height adjusting mechanism (7) comprises a first connecting rod (71), a second connecting rod (72) and a limiting locking piece (73), the bottom of the first connecting rod (71) is fixedly connected with the top of the support seat (1), the second connecting rod (72) is movably sleeved in the first connecting rod (71), and the second connecting rod (72) is fixedly installed together with the first connecting rod (71) through the limiting locking piece (73).

7. The automatic swinging air supply device of the hand-operated fan as claimed in claim 6, wherein the first connecting rod (71) is provided with a plurality of through holes (711), the through holes (711) are vertically arranged on the side wall of the first connecting rod (71) at equal intervals, and the limiting locking piece (73) is clamped with the through holes (711).

8. The automatic swinging air supply device of the hand-operated fan as claimed in claim 6 or 7, wherein the limiting locking member (73) comprises a clamping block (731) and a locking block (732), the clamping block (731) is fixedly sleeved inside the bottom end of the second connecting rod (72), one end of the locking block (732) sequentially penetrates through the second connecting rod (72), the first connecting rod (71) and extends to the outside of the first connecting rod (71), and the other end of the locking block (732) is slidably arranged on the clamping block (731).

9. The automatic swinging air supply device of the hand-operated fan as claimed in claim 8, wherein the fixture block (731) is provided with a fixture groove (7311), a fixture bar (7321) is fixedly arranged on the inner side of the locking block (732), and the size of the fixture bar (7321) is matched with the size of the fixture groove (7311).

10. The air swinging control method of the automatic swinging air supply device of the hand-operated fan is characterized by comprising the automatic swinging air supply device of the hand-operated fan as claimed in any one of claims 1 to 9, wherein the drive control unit (3) comprises a drive motor (31), a stepless speed regulator (32) and a main control chip (33), the drive motor (31), the stepless speed regulator (32) and the main control chip (33) are electrically connected, and the method comprises the following steps:

s1: a signal generator of the main control chip (33) generates a pulse signal, the pulse signal is connected to a pulse end of a driver of the driving motor (31) through an optical coupler, the driving motor (31) rotates in the forward direction, and a counter of the main control chip (33) counts the pulse signal;

s2: when the counter judges that the fan (5) reaches the edge of the swinging wind, the main control chip (33) closes and controls the output enable of the signal generator to send a reversing instruction to the driver;

s3: the main control chip (33) controls the output enable of the opening signal generator to enable the driving motor (31) to rotate reversely.

Technical Field

The invention relates to the technical field of fans, in particular to an automatic swinging air supply device of a hand-operated fan and an air swinging control method thereof.

Background

Disclosure of Invention

In view of the above, the present invention provides an automatic swinging blower of a hand-operated fan, which has soft blowing.

In order to solve the technical problems, the invention adopts the technical scheme that: a hand fan automatic swing air supply device comprises a supporting seat, a supporting rod fixedly arranged above the supporting seat, a drive control unit, an air supply transmission mechanism in transmission connection with the drive control unit and a fan rocking mechanism in end insertion connection with the air supply transmission mechanism, wherein the drive control unit is fixedly arranged on the supporting rod through an installation jig and used for providing power for the air supply transmission mechanism so as to drive the fan rocking mechanism to swing air in a reciprocating manner; the driving control unit comprises a driving motor, a stepless speed regulator and a main control chip, and the driving motor, the stepless speed regulator and the main control chip are electrically connected.

In the present invention, preferably, the air supply transmission mechanism includes a swing rod and a transmission rocker arm assembly, the bottom of the swing rod is fixedly connected with a hinge transmission part, the transmission rocker arm assembly includes a first rocker arm and a second rocker arm, one end of the first rocker arm is fixedly connected with an output end of the driving motor, the other end of the first rocker arm is rotatably connected with one end of the second rocker arm, and the other end of the second rocker arm is rotatably connected with the hinge transmission part.

In the invention, preferably, the air supply transmission mechanism further comprises an elastic piece, the elastic piece is bent into an arc shape, one end of the elastic piece is fixedly connected with one side of the swinging rod, which is far away from the hinged transmission part, and the other end of the elastic piece is fixedly connected with the installation jig.

In the present invention, preferably, the air supply transmission mechanism includes a swing rod, one end of the swing rod is provided with a through groove, and one end of the swing rod, which is far away from the through groove, is fixedly connected to the output end of the driving motor.

In the present invention, preferably, the thickness dimension of the through groove matches the thickness dimension of the swing fan.

In the invention, preferably, a height adjusting mechanism is arranged on the supporting rod, the height adjusting mechanism comprises a first connecting rod, a second connecting rod and a limiting locking piece, the bottom of the first connecting rod is fixedly connected with the top of the supporting seat, the second connecting rod is movably sleeved in the first connecting rod, and the second connecting rod is fixedly installed with the first connecting rod through the limiting locking piece.

In the invention, preferably, the first connecting rod is provided with a plurality of through holes, the through holes are vertically arranged on the side wall of the first connecting rod at equal intervals, and the limiting locking piece is clamped with the through holes.

In the invention, preferably, the limiting and locking member comprises a clamping block and a locking block, the clamping block is fixedly sleeved inside the bottom end of the second connecting rod, one end of the locking block sequentially penetrates through the second connecting rod and the first connecting rod and extends to the outside of the first connecting rod, and the other end of the locking block is slidably arranged on the clamping block.

In the invention, preferably, the clamping block is provided with a clamping groove, a clamping strip is fixedly arranged on the inner side of the locking block, and the size of the clamping strip is matched with that of the clamping groove.

In the present invention, it is preferable that the number of the locking blocks is two, and the locking blocks are symmetrically arranged on the second link.

A swing air control method of a hand-operated fan automatic swing air supply device specifically comprises the following steps:

s1: a signal generator of the main control chip (33) generates a pulse signal, the pulse signal is connected to a pulse end of a driver of the driving motor (31) through an optical coupler, the driving motor (31) rotates in the forward direction, and a counter of the main control chip (33) counts the pulse signal;

s2: when the counter judges that the fan (5) reaches the edge of the swinging wind, the main control chip (33) closes and controls the output enable of the signal generator to send a reversing instruction to the driver;

s3: the main control chip (33) controls the output enable of the opening signal generator to enable the driving motor (31) to rotate reversely.

The invention has the advantages and positive effects that:

(1) through the mutual cooperation between the driving control unit, the air supply transmission mechanism and the fan, the rotation of the driving motor further provides power for the air supply transmission mechanism and drives the fan to simulate natural wind to swing in a reciprocating manner, because the air supply transmission mechanism comprises a swing rod and a transmission rocker arm component, the transmission rocker arm component comprises a first rocker arm, a second rocker arm and an elastic component, the output end of the driving motor is fixedly connected with one end of the first rocker arm, the other end of the first rocker arm is rotatably connected with one end of the first rocker arm, the rotation of the driving motor drives the first rocker arm to rotate, so that the first rocker arm drives the second rocker arm to rotate, the second rocker arm drives a hinged transmission part at the bottom of the swing rod to rotate, so that the swing rod swings in a reciprocating manner along the plane where the swing rod is located by taking one end far away from the through groove as an axis, the natural wind supply is simulated, the air supply amount, the air-blowing fan is particularly suitable for the old, children and people with relatively weak physique which are sensitive to wind and have high demand, and the problems of dizziness, headache and catching a cold which are possibly caused by long-time continuous air blowing are avoided; in addition, because the elastic component is the arc of buckling, and the both ends of elastic component respectively with swinging arms, installation tool fixed connection, drive at the swinging arms and shake the reciprocal wobbling in-process of fan, can play the certain supporting role to the swinging arms through setting up the elastic component, easily extension fixture's life.

(2) When the height of the supporting rod needs to be changed according to actual needs, a user simply holds the locking block and pushes the two symmetrically arranged locking blocks in opposite directions to enable the distance between the two locking blocks to be reduced, the clamping strip on one side of the locking block slides along the clamping groove, the position of the locking block rises at the moment, one end, extending to the first connecting rod, of the locking block abuts against the inner wall of the first connecting rod and slides relatively, the clamping block is extruded to have outward acting force on the locking block, the second connecting rod slides upwards relative to the first connecting rod until the locking block is opposite to the adjacent through hole, at the moment, the locking block extends outwards out of the first connecting rod and extends to the outside of the first connecting rod through the through hole due to the acting force of the clamping block, at the moment, the first connecting rod and the second connecting rod are locked and cannot slide relatively, so that the height adjusting process of the device is completed, the overall height of the device is convenient to adjust, meet different height use requirements and greatly improve the application range of the device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of an embodiment of an automatic swinging air supply device of a hand-operated fan, in which a swing fan is not installed;

FIG. 2 is a schematic side view of an embodiment of an automatic swinging blower of a hand-operated fan according to the present invention, in which the swing fan is not installed;

FIG. 3 is a cross-sectional view of the structure taken along line A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of the structure A of FIG. 3;

FIG. 5 is a schematic front view of an automatic swinging blower of a hand-operated fan according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of the structure taken along line B-B of FIG. 5;

FIG. 7 is a schematic view of the whole structure of an embodiment of the automatic swinging air supply device of a hand-operated fan according to the present invention when a swing fan is installed;

fig. 8 is a schematic view of the overall structure of a second embodiment of the automatic swinging air supply device of the hand fan of the present invention.

In the figure: 1. a supporting seat; 2. a support bar; 3. a drive control unit; 31. a drive motor; 32. a stepless speed regulator; 33. a main control chip; 4. an air supply transmission mechanism; 41. a swing lever; 411. a hinge transmission part; 412. a through groove; 42. a drive rocker arm assembly; 421. a first rocker arm; 422. a second rocker arm; 423. an elastic member; 5. shaking the fan; 6. installing a jig; 7. a height adjustment mechanism; 71. a first link; 711. a through hole; 72. a second link; 73. a limiting locking piece; 731. a clamping block; 7311. a card slot; 732. a locking block; 7321. and (6) clamping the strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.