CN104224050A - Recharging guide method and device for self-propelled cleaning device - Google Patents

Abstract

A self-propelled cleaning device recharging guiding method and equipment thereof comprise the following steps: after a first signal sensing unit on the self-propelled cleaning device receives a first sensing signal sent by the charging device, the self-propelled cleaning device is displaced towards a first sensing signal source; when the self-propelled cleaning device moves towards the first sensing signal source, a second signal sensing unit on the self-propelled cleaning device receives a second sensing signal emitted by a second sensing signal source of the charging device and then moves towards the second sensing signal source.

Description

Self-propelled cleaning device recharging guidance method and equipment thereof

technical field

The invention relates to a self-propelled cleaning device, in particular to a recharging and guiding method and equipment for the self-propelled cleaning device with autonomous displacement for cleaning work.

Background technique

Due to the busy work of modern people, house cleaning is more laborious and time-consuming. In order to solve this problem, so-called self-propelled cleaning devices have appeared on the market. Up and down cleaning and dust removal, to achieve the convenience of no manual operation.

When the general self-propelled cleaning device reaches a default value of power or running time, it will start to search for the sensing signal emitted by the charging device to perform the procedure of return charging; this type is used to guide the self-propelled cleaning device to return to charging The charging device usually emits one or more guiding signals horizontally from its body, so that the self-propelled cleaning device detects the signal sent by the charging device, determines the position of the charging device, and returns to the charging device for charging .

Contents of the invention

In the prior art, the charging device uses signals emitted horizontally for the self-propelled cleaning device to receive and be guided back. No matter the type of guiding signal of the charging device is infrared, ultrasonic or laser, it will eventually be received by the charging device. The obstruction of furniture arrangement limits the coverage of the signal, and based on the consideration of space and aesthetics, the general public usually arranges the charging device in the corner of the indoor space, which makes the signal more likely to be unable to be effectively received due to geographical factors or obstruction of furniture. Detected by the self-propelled cleaning device, prolong the time for the self-propelled cleaning device to search for the sensing guidance signal, and reduce the efficiency of the self-propelled cleaning device within a limited working time.

Therefore, the purpose of the present invention is to provide a self-propelled cleaning device recharging guidance method that can shorten the time for the self-propelled cleaning device to search for sensing signals and improve the efficiency of the self-propelled cleaning device within a limited working time .

Another object of the present invention is to provide a self-propelled cleaning device recharging guide device that can shorten the time for the self-propelled cleaning device to search for sensing signals and improve the efficiency of the self-propelled cleaning device within a limited working time .

The self-propelled cleaning device recharging guidance method according to the purpose of the present invention includes: making the first sensing signal emitted by the first sensing signal source shoot from above the self-propelled cleaning device to the walking surface of the self-propelled cleaning device displacement ; After the first signal sensing unit on the self-propelled cleaning device receives the first sensing signal, the self-propelled cleaning device moves towards the first sensing signal source.

Another self-propelled cleaning device recharging guidance method according to the object of the present invention includes: after the first signal sensing unit on the self-propelled cleaning device receives the first sensing signal, the self-propelled cleaning device moves toward the second A sensing signal source displacement; when the self-propelled cleaning device moves towards the first sensing signal source, the second signal sensing unit of the self-propelled cleaning device receives the second sensing signal emitted by the second sensing signal source , so that the self-propelled cleaning device moves towards the second sensing signal source.

According to another object of the present invention, the self-propelled cleaning device recharging guide device includes: a charging device, which is provided with a first sensing signal source, and emits a first sensing signal; a body, which is provided with a The first signal sensing unit is used for receiving the first sensing signal; the first signal sensing unit moves towards the first sensing signal source after receiving the first sensing signal emitted from above the body to the moving surface of the body.

According to another object of the present invention, another self-propelled cleaning device recharging guide device includes: a charging device, which is provided with a first sensing signal source and a second sensing signal source, and each emits a first sensing signal source respectively. A sensing signal and a second sensing signal; a body, which is provided with a first signal sensing unit for detecting the first sensing signal, and a second signal sensing unit for detecting the first sensing signal Two sensing signals; the first signal sensing unit receives the first sensing signal emitted from the top of the body to the walking surface of the body displacement, and moves towards the first sensing signal source, and the second signal sensing unit receives the first sensing signal The second sensing signal then shifts towards the second sensing signal source.

The method and equipment of the embodiment of the present invention mainly transmit the first sensing signal from the charging device to a certain reflective surface in the room, making it refracted to the walking surface of the body displacement, and forming a large-scale first sensing signal on the walking surface A sensing signal area, when the body enters the first sensing signal area, it will move towards the direction of the first sensing signal source according to the strength of the first sensing signal, and the second sensing signal is from the horizontal direction The charging device emits towards the refracted first sensing signal, so the body will detect the second sensing signal while moving towards the first sensing signal source, and move towards the second sensing signal source, due to the refracted The first sensing signal is emitted toward the top of the body and received by the first signal sensing unit on the top surface of the body to prevent the first sensing signal from being interfered by obstacles such as furniture on the walking surface, and the first sensing signal after refraction The signal covers a wider range, making it easier for the body to detect the first sensing signal, and then the body and the charging device are electrically connected through the guidance of the second sensing signal with a narrower range, which can shorten the self-propelled cleaning. The time for the body of the device to search for sensing signals improves the efficiency of the body within a limited working time.

Description of drawings

FIG. 1 is a schematic diagram of a charging device according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of the body of the embodiment of the present invention.

FIG. 3 is a schematic diagram showing a first sensing signal and a second sensing signal according to an embodiment of the present invention.

Fig. 4 is a schematic diagram of the guided body of the embodiment of the present invention.

Symbol Description

1 Charging device 11 The first sensing signal source

111 The first sensing signal 112 The first sensing signal area

12 Second sensing signal source 121 Second sensing signal

13 Conductive unit 14 Power socket

2 body body 21 drive mechanism

211 Driving wheel 22 Cleaning mechanism

221 Main brush 222 Side brush

23 Dust collection mechanism 24 Control unit

25 Charging unit 26 First signal sensing unit

261 The first signal sensing component 27 The second signal sensing unit

271 Second signal sensing component 3 Reflecting surface

4 walking surface

Detailed ways

Please refer to FIG. 1 and FIG. 2, the recharging and guiding method of the embodiment of the present invention can be achieved by using the following devices, including:

A charging device 1, which is provided with a first signal emitting source 11 arranged obliquely toward the top of the charging device 1, a second signal emitting source 12 arranged at the front end of the charging device 1, and a conductive unit 13 with positive and negative poles capable of outputting power A power socket 14 for plugging in a DC power supply.

A machine body 2 is provided with a driving mechanism 21 which can drive the machine body 2 to move through the driving wheels 211 on both sides of the machine body 2, a main brush 221 and a side brush 222 which can have bristles or one of them or The cleaning mechanism 22 that only has a suction port for cleaning the floor, the dust collection mechanism 23 that can collect the dust cleaned by the cleaning mechanism 22, and the control unit that can perform various data calculations or judgments to control various functions on the body 2 24. The charging unit 25 which can be electrically connected with the conductive unit 13 in the charging device 1, the first signal sensing unit 26 arranged on the top surface of the body 2 and the second signal sensing unit arranged on the side of the body 2 Unit 27;

The first signal sensing unit 26 is arranged at the center of the top surface of the body 2 with a plurality of first signal sensing components 261 equidistantly arranged on the circumference; the second signal sensing unit 27 is a plurality of second The signal sensing components 271 are equidistantly arranged on the front periphery of the body 2 .

Please refer to FIG. 3 , the first signal emitting source 11 is an emitting source that can generate infrared rays, ultrasonic waves or laser light, and emits a first sensing signal 111 upwards from the charging device 1 to the reflective surface 3, which can be a ceiling. , walls, etc. are not the surfaces of the walking surface 4 of the body 2, so that the first sensing signal 111 is refracted by the reflecting surface 3, and bounces from the reflecting surface 3 to the moving surface 4 of the body 2 displacement; the second signal emitting source 12 is An emission source that can generate infrared rays, ultrasonic waves or laser emits a second sensing signal 121 from the charging device 1 horizontally toward the refracted first sensing signal 111, so that the first sensing signal 111 and the second sensing signal 121 are partly refracted. In addition, the first sensing signal 111 and the second sensing signal 121 have different signal frequencies.

Please refer to FIG. 3 and FIG. 4 , in the implementation of the embodiment of the present invention, the refracted first sensing signal 111 generates a wider range of first sensing signal area 112 on the running surface 4 of the body 2, and executes on the body 2. After cleaning for a period of time or when the internal battery power drops to a default value, the first signal sensing unit 26 on the top surface of the body 2 starts to search for the first sensing signal 111, when the body 2 enters the first sensing signal area 112 Afterwards, each first signal sensing component 261 on the signal sensing unit 26 will receive the first sensing signal 111, because the setting positions of each first signal sensing component 261 are all different, so the control unit 24 can be according to the first The energy received by each first signal sensing component 261 on the signal sensing unit 26 judges the direction and distance of the first signal emission source 11 relative to the body 2, and makes the body 2 turn toward the first signal emission source 11 position displacement; during the displacement process of the body 2 towards the first signal emission source 11, the second signal sensing unit 27 on the front side of the body 2 starts to search for the second sensing signal 121, after the second sensing signal 121 is found , the body 2 moves toward the direction of the second signal emission source 12 until the charging unit 25 on the body 2 and the conductive unit 13 on the charging device 1 are electrically connected to each other and then stops the displacement;

In the implementation of the embodiment of the present invention, the method of emitting the second sensing signal 121 without the second signal emitting source 12 can also be used to guide the body 2 back to the charging device directly through the refracted first sensing signal 111 1 to charge.

The method and equipment of the embodiment of the present invention mainly transmit the first sensing signal 111 from the charging device 1 to a certain reflective surface 3 in the room, so that it is refracted to the walking surface 4 where the body 2 is displaced, and the first sensing signal 111 is transmitted on the walking surface 4 A large-scale first sensing signal area 112 is formed. When the body 2 enters the first sensing signal area 112, it will follow the strength of the first sensing signal 111 and move towards the direction of the first sensing signal source 11. The second sensing signal 121 is emitted from the charging device 1 toward the refracted first sensing signal 111 in the horizontal direction, so the body 2 will detect the second sensing signal while moving toward the first sensing signal source 11. signal 121, and advance toward the second sensing signal source 12, because the refracted first sensing signal 111 is emitted toward the top of the body 2 and received by the first signal sensing unit 26 on the top surface of the body 2, avoiding the first The sensing signal 111 is interfered by obstacles such as furniture on the walking surface 4, and the refracted first sensing signal 111 covers a wider range, making it easier for the body 2 to detect the first sensing signal 111 and clearly know The direction and distance of the first sensing signal source 11, and then guided by the second sensing signal 121 in a narrower range to electrically link the body 2 and the charging device 1, can shorten the body 2 of the self-propelled cleaning device The time to search for the sensing signal improves the efficiency of the body 2 within the limited working time.

But the above-mentioned person is only preferred embodiment of the present invention, when can not limit the scope of the present invention implementation with this, promptly all the simple equivalent changes and modifications that are done according to the patent scope of the present invention and the content of the description of the invention, All still belong to the scope that the patent of the present invention covers.

Claims (10)

1. self-propelled cleaning device recharges a guidance method, comprising:

The first sensing signal that first sensing signal source is launched is from the walking surface of directive self-propelled cleaning device displacement above self-propelled cleaning device;

After the first signal sensing unit on self-propelled cleaning device receives this first sensing signal, self-propelled cleaning device is towards the first sensing signal source displacement.

2. self-propelled cleaning device recharges a guidance method, comprising:

After making the first signal sensing unit on self-propelled cleaning device receive the first sensing signal, make self-propelled cleaning device towards the first sensing signal source displacement;

When self-propelled cleaning device is towards the first sensing signal source displacement, after making the second signal sensing unit of self-propelled cleaning device receive the second sensing signal launched in the second sensing signal source, make self-propelled cleaning device towards the second sensing signal source displacement.

3. the self-propelled cleaning device according to any one of claim 1 or 2 recharges guidance method, it is characterized in that, the walking surface of first sensing signal directive self-propelled cleaning device displacement after reflecting surface refraction that this first sensing signal source is launched.

4. self-propelled cleaning device as claimed in claim 2 recharges guidance method, it is characterized in that, the second sensing signal that this second sensing signal source is launched towards the first sensing signal, first sense signal with this and produces and partly overlap.

5. self-propelled cleaning device recharges a guide device, comprising:

Charging device, which is provided with the first sensing signal source, launches the first sensing signal;

Body, which is provided with the first signal sensing unit in order to receive the first sensing signal;

First signal sensing unit receives after the first sensing signal of the walking surface of directive body displacement above body, towards the first sensing signal source displacement.

6. self-propelled cleaning device recharges a guide device, comprising:

Charging device, which is provided with the first sensing signal source and second and senses signal source, respectively launches the first sensing signal and the second sensing signal respectively;

Body, it is provided with the first signal sensing unit in order to detect this first sensing signal, is separately provided with the second signal sensing unit in order to detect this second sensing signal;

First signal sensing unit receives after the first sensing signal of the walking surface of directive body displacement above body, towards the first sensing signal source displacement, and towards the second sensing signal source displacement after the second signal sensing unit receives the second sensing signal.

7. the self-propelled cleaning device according to any one of claim 5 or 6 recharges guide device, it is characterized in that, the first sensing signal is launched in this first sensing signal source upward.

8. the self-propelled cleaning device according to any one of claim 5 or 6 recharges guide device, it is characterized in that, this first sensing signal refracts to the walking surface of body displacement from reflecting surface.

9. self-propelled cleaning device as claimed in claim 8 recharges guide device, and it is characterized in that, this reflecting surface is ceiling.

10. self-propelled cleaning device as claimed in claim 6 recharges guide device, it is characterized in that, this first sensing signal part overlapping second sensing signal.