Nonlinear propulsion floor cleaning device

Abstract

The present invention provides a nonlinear propulsion floor cleaning device that includes two tools positioned at the bottom, which are rotating parts that can rotate in opposite directions and are slightly inclined with respect to the horizontal plane, and to which a control signal is applied to a control module, and a driving force is generated by the different rotations of each rotating part to achieve nonlinear propulsion. The present invention improves the cleaning range of the device, reduces cleaning blind spots, and improves cleaning efficiency by changing the travel method of the device to nonlinear through an improvement in the control method.

Description

Technical Field

[0001] The present invention relates to the technical field of cleaning devices, and particularly discloses a floor cleaning device with non-linear propulsion.

Background Art

[0002] The floor cleaning brush of the current hand-held floor cleaning device cleans the floor by rotating two horizontally arranged brush disks in opposite directions, and controls the difference in the total frictional force before and after by the inclination angle of the brush disk to provide the forward force of the device. In the existing technology of cleaning the floor using disk brushes, two disk brushes with opposite rotation directions are used. In order to avoid damage to the floor caused by the mutual collision of the disk brushes or damage between the disk brushes, a certain gap is provided between the two disk brushes with opposite rotation directions. However, due to this gap, during actual use, the disk brushes cannot completely cover all the floor surfaces, and as a result, the cleaning efficiency of the area between the two disk brushes during movement decreases, and there is also a possibility of insufficient cleaning, which will affect the user's use.

Summary of the Invention

Problems to be Solved by the Invention

[0003] In order to overcome the disadvantages and drawbacks in the prior art, the present invention aims to provide a non-linearly propelled floor cleaning device that changes the running mode of the device non-linearly, increases the cleaning range of the device, reduces cleaning dead spots, and improves cleaning efficiency.

Means for Solving the Problems

[0004] In order to achieve the above object, the present invention provides a non-linearly propelled floor cleaning device including two tools arranged at the bottom, which are rotatable parts that can rotate in opposite directions and are slightly inclined with respect to the horizontal plane, and a floor cleaning device in which a control signal is applied to a control module, and driving force is generated by different rotations of each rotatable part to realize non-linear propulsion.

[0005] Preferably, the control module is a disc brush motor or an angle adjustment mechanism.

[0006] Preferably, the angle adjustment mechanism is a push rod motor.

[0007] Preferably, the rotating part is a disc brush, roller brush, polishing pad, or magic sponge.

[0008] Preferably, the control signal is a regular control signal.

[0009] Preferably, the regular control signal is a sinusoidal wave signal or a square wave signal. [Effects of the Invention]

[0010] The beneficial effects of the present invention are as follows: By improving the control method, the device's travel method is changed to a nonlinear manner, increasing the cleaning range of the device, reducing cleaning blind spots, and improving cleaning efficiency. Nonlinear motion is a floor friction behavior similar to vibration, and since the entire brush disc can be carried along in a left-right reciprocating motion on the ground, the cleaning effect is improved by combining two types of friction, reciprocating friction and rotational friction, without the need to increase the number of reciprocating vibration elements. [Brief explanation of the drawing]

[0011] [Figure 1] This is a schematic diagram of the three-dimensional structure of Example 1 of the present invention. [Figure 2] This is the control signal curve for the control module of the present invention. [Figure 3] This is a route diagram of the present invention. [Figure 4] This is a schematic diagram showing the two ring-shaped connecting structures of the present invention rotating around their respective axes. [Figure 5] This is a schematic diagram of the three-dimensional structure of Example 2 of the present invention. [Explanation of Symbols]

[0012] 1,2 Disc brush, 3,4 Push rod motor [Modes for carrying out the invention]

[0013] To facilitate understanding for those skilled in the art, the present invention will be further described below with reference to examples and drawings, but the contents described in the embodiments are not intended to limit the present invention. Example 1

[0014] As shown in Figures 1 to 4, the nonlinear propulsion floor cleaning device of the present invention includes two disc brushes positioned at the bottom, the two disc brushes being rotatable in opposite directions and slightly inclined with respect to the horizontal plane, and control signals being applied to the disc brush motors of the two disc brushes, generating a driving force through the different rotational speeds of each disc brush to achieve nonlinear propulsion.

[0015] The operation procedure is as follows: When motors A and B output according to the square wave signal in Figure 2 or the sine wave signal in Figure 3, there is a time difference of θ between the driving of the two disc brushes. That is, at time θ, the rotational speed of disc brush 1 becomes smaller than the rotational speed of disc brush 2. As a result, the device moves not in a straight line, but deflected around disc brush 1. After disc brush 1 and disc brush 2 have traveled for a certain period of time, another θ time has elapsed, and the rotational speed of disc brush 2 becomes smaller than the rotational speed of disc brush 1. As a result, the device moves deflected around disc brush 2, and then travels in a circular motion. A schematic of the route is shown in Figure 4. If the path width W is larger than the gap GAP, the range covered by the device can be maximized, and the problem of not being able to cover the intermediate area can be avoided. Example 2

[0016] As shown in FIG. 5, the non-linear propulsion floor cleaning device of the present invention includes two disk brushes disposed at the bottom. The two disk brushes can rotate in opposite directions and are slightly inclined with respect to the horizontal plane. A control signal is applied to the push rod motors of the two disk brushes, and driving force is generated by the rotational friction of different inclination angles of each disk brush to achieve non-linear propulsion.

[0017] Its operation procedure is as follows. In a state where the driving of the motors of the two disk brushes is not adjusted (constant rotational speed), the inclination angle of the disk brush adjusted by the push rod motor can be increased. The traveling direction of the disk brush is directly related to the difference in the frictional force that rotates and contacts the floor surface. That is, the disk brush will have inclination angles α and β with respect to the horizontal direction as shown in FIG. 5 in the cross-section of the forward plane. In the case of a linear motion along the forward direction of the device, the angles of α and β are the same. On the other hand, if the angles of α and β are adjusted to be different, the driving forces provided by the disk brushes on both sides will be different, and the device can be swayed in a direction different from the traveling direction, thereby realizing non-linear motion.

[0018] Those skilled in the art can also change the disk brush to a roll brush, a polishing pad, or a magic sponge according to specific needs.

[0019] Naturally, those skilled in the art can also set other regular control signals or combine Example 1 and Example 2 according to specific needs.

[0020] In the present invention, by adjusting the driving method, the variation of the reciprocating route of the device can be reduced, and by adjusting the smoothness of the curve, the reciprocating acceleration of the device can be reduced, that is, the vibration feeling can be reduced, thereby reducing the change given to the user's usage habit, improving the practicality, and improving the cleaning effect and ability.

[0021] From the above, it can be seen that the present invention, by possessing the above-mentioned excellent properties, enhances the practicality of its use by providing effects not found in the prior art, and thus becomes an extremely practical product.

[0022] The above describes only preferred embodiments of the present invention, and those skilled in the art can modify the specific embodiments and scope of application in accordance with the spirit of the present invention. The contents of this specification should not be construed as limiting the present invention.

Claims

1. A nonlinear propulsion floor cleaning device comprising two tools positioned at the bottom, which are rotating parts that can rotate in opposite directions and are slightly inclined with respect to the horizontal plane, A control signal is applied to the control module, and the different rotations of each of the rotating parts generate a driving force, thereby achieving nonlinear propulsion. A floor cleaning device characterized by the following features.

2. The control module is a motor or an angle adjustment mechanism. The floor cleaning device according to feature 1.

3. The angle adjustment mechanism is a pushrod motor. The floor cleaning device according to feature 2.

4. The rotating part is a disc brush, roller brush, polishing pad, or magic sponge. The floor cleaning device according to feature 1.

5. The aforementioned control signal is a regular control signal. The floor cleaning device according to feature 3.

6. The aforementioned regular control signal is a sinusoidal wave signal or a square wave signal. The floor cleaning device according to feature 5.

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