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Mower

A technology for lawn mowers and cutting mechanisms, applied in harvesters, agricultural machinery and implements, applications, etc., can solve the problem of low sensitivity

Inactive Publication Date: 2017-08-11
POSITEC POWER TOOLS (SUZHOU) CO LTD
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  • Summary
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Problems solved by technology

However, some grass sensors in the prior art have the disadvantage of low sensitivity, and some non-contact grass sensors are also susceptible to interference from other factors such as air.

Method used

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Embodiment 1

[0044] ginseng figure 1 , a lawn mower 100 is proposed, including a housing 110 , a cutting mechanism 120 , a running mechanism 130 , and a control device 140 , wherein the control device 140 is used to control the work of the cutting mechanism 120 and the running mechanism 130 . In order to reduce idling of the lawn mower and improve work efficiency, the lawn mower 100 is also provided with grass sensors 150 on both sides of the cutting mechanism 120 , and a signal processing circuit 160 connected with the grass sensor 150 and the control device 140 .

[0045] The grassland sensor 150 of the present invention relies on the principle that a capacitor C is formed between the sensor 150 and the control device 140, and when the height of the grass changes, it affects the medium around the capacitor plate, thereby causing the capacitance to change.

[0046] ginseng figure 2 , the grass sensor 150 adopts the capacitance principle to realize the judgment of grass height, grass or ...

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Abstract

The invention relates to a mower comprising a housing, a cutting mechanism, a travelling mechanism and a control device, and the control device is used for controlling the cutting mechanism to work. The mower also comprises a sensor including a first pole plate and a second pole plate; and a signal processing circuit having an input terminal and an output terminal, wherein the input terminal is connected with the sensor, and the output terminal is connected with the control device. The control device gives out a control instruction to the cutting mechanism according to capacitance value variation, between the first pole plate and the second pole plate, detected by the signal processing circuit. According to the mower, electric field orienting to the meadow is formed between the first pole plate and the second pole plate of the sensor, height variation can be timely detected when the tussock height varies, and therefore sensitivity is improved.

Description

technical field [0001] The invention relates to an electric garden tool, in particular to a lawnmower. Background technique [0002] With the continuous advancement of computer technology and artificial intelligence technology, intelligent lawn mowers similar to intelligent robots have begun to slowly enter people's lives. The smart lawn mower can automatically mow and recharge the user's lawn without user intervention. This automatic working system does not need to invest in energy management after it is set up once, freeing users from boring, time-consuming and laborious housework such as cleaning and lawn maintenance. [0003] In order to reduce the idling of the lawn mower and improve work efficiency, most smart lawn mowers are equipped with grass sensors. The grass sensor detects the height of the lawn to determine whether it is a grass bush to be mowed, and then controls the working condition of the mowing motor. However, some grass sensors in the prior art have the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01D75/00
CPCA01D75/00
Inventor 董永明
Owner POSITEC POWER TOOLS (SUZHOU) CO LTD
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