Contact sensor for lawns

A contact sensor, sensor unit technology, applied in the direction of instruments, lawn mowers, cutters, etc., can solve the problems of dust pollution, easy aging and wear, and inductive devices and sensors are difficult to work in a long-term environment.
CN102498364BInactive Publication Date: 2014-07-09ζž—ε°ε†¬
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
ζž—ε°ε†¬
Publication Date
2014-07-09
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

A contact sensor for lawns comprises an upper casing and a lower casing connected by a middle connecting tube (6), an amplifying circuit (2) is arranged in the upper casing, one end of a general wiring harness (1) is connected with the amplifying circuit (2), the other end of the general wiring harness (1) extends out of the upper casing, an upper plug (5) is arranged at the lower end of the upper casing, a lower plug (7) is arranged at the upper end of the lower casing, a sensor unit is arranged in the lower casing or arranged in the upper casing and the lower casing separately. The contact sensor for lawns mounted on the chassis of a mowing robot is used for identifying the lawns and the length of the lawns, and can adapt to the working environment and conditions without affecting the normal walking of the mowing robot on the lawns.
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Description

technical field

[0001] The invention relates to a matching device for a mowing robot, in particular to a brush contact sensor. In particular, it refers to the sensing device installed on the chassis of the mowing robot to sense the grass and the length of the grass. Background technique

[0002] Most of the existing lawn mowing robots cannot actively identify the grass on the ground and the change in length before and after the grass is cut. As a result, the lawn mowing robot itself cannot directly identify the working area and range of activities to be mowed. At the same time, it is also impossible to select an energy-saving and efficient walking path and working mode by identifying the change in length of the grass before and after being cut.

[0003] In order to solve the above-mentioned problems, most of the known lawn mowing robots are solved by adding some auxiliary facilities and equipment. The most commonly used method is to install signal generators and signal line...

Claims

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