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Novel intelligent cropper pressure sensor

A technology of pressure sensor and lawn mower, which is applied in the direction of harvesters, agricultural machinery and implements, contact operating parts, etc., which can solve the problems of complex structure of pressure sensor, complex discrimination circuit, inconvenient installation, etc., and achieve stable and reliable measurement range , precise control and easy assembly

Inactive Publication Date: 2011-05-04
ZHEJIANG YAT ELECTRICAL APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the structure of the pressure sensor is complicated, it is inconvenient to install, and it needs a more complicated discrimination circuit, and the cost is also high.

Method used

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  • Novel intelligent cropper pressure sensor
  • Novel intelligent cropper pressure sensor
  • Novel intelligent cropper pressure sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Such as Figure 1 to Figure 4 Shown is the pressure sensor of the novel intelligent lawnmower of the present invention, comprising a base 1 and a loam cake 2 connected to each other, an on-off control structure for controlling the working state of the mower is provided between the base and the loam cake, the on-off control The structure includes a contact piece assembly 4 fixedly connected to the upper cover 2 in series with the working circuit of the lawn mower and a trigger part provided on the base for triggering the action of the contact piece assembly. Predetermined safety distance N, the trigger part includes a trigger column 7 arranged on the base, and the trigger column is also provided with a telescopic adjustment structure for adjusting the distance between the trigger part and the contact piece assembly to reach the predetermined safety distance N, telescopic adjustment The structure is preferably an adjusting screw 5 .

[0022] The base 1 and the upper cove...

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PUM

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Abstract

The invention discloses a novel intelligent cropper pressure sensor comprising a base and a top cover, wherein an on-off control structure for controlling the working condition of a cropper is arranged between the base and the top cover; and the on-off control structure comprises a contact piece assembly and a trigger part, wherein the contact piece assembly is fixedly connected on the top cover and connected with the working circuit of the copper in series, the trigger part is arranged on the base and used for triggering the contact piece assembly to operate, the trigger part comprises a trigger column arranged on the base, and the trigger column is also provided with a stretching regulation structure. The invention can effectively avoid influence on the operation of the on-off control structure because of trace deformation when the product enclosure is produced or the size errors caused by installing the enclosure; in addition, the invention has the advantages of simple structure, high sensitivity, precise control and stable and reliable measurement range and improves product quality.

Description

technical field [0001] The invention relates to a pressure sensor of an intelligent mower. Background technique [0002] With the maturity of lawn mowing robot technology and some safety regulations, pressure sensors are gradually being applied to intelligent lawn mowers. The State Intellectual Property Office of China announced on September 26, 2007 an invention patent called a pressure sensor with the announcement number CN200952967. According to its specification and the accompanying drawings, it can be seen that the pressure sensor includes a top cover with a detection hole, a PCB board And the pressure chip connected to the PCB board point, the pressure chip is clamped by the PCB board and the upper cover, the sensing terminal of the pressure chip corresponds to the position of the pressure detection hole of the upper cover, the upper cover is provided with an elastic buckle, and the PCB board There is a card hole matching the elastic buckle; the buckle fixed in the ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01D75/00H01H3/16
Inventor 钱兴桂
Owner ZHEJIANG YAT ELECTRICAL APPLIANCE CO LTD