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Fault monitoring device and method for frost-proof fan in tea garden and orchard

A technology for tea orchards and fans, used in pump control, non-variable displacement pumps, machines/engines, etc.

Active Publication Date: 2014-02-12
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007]Due to the wind blowing or other reasons, the fan will vibrate slightly, causing the received signal to vibrate from side to side near the receiving end, and will also generate a series of pulses, which will make the fault detection error judgment

Method used

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  • Fault monitoring device and method for frost-proof fan in tea garden and orchard
  • Fault monitoring device and method for frost-proof fan in tea garden and orchard
  • Fault monitoring device and method for frost-proof fan in tea garden and orchard

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specific Embodiment approach 2

[0040] When using this unit, first set the image 3 The coded disk A and coded disk B shown are set on the shaft of the fan shaft head shown in Figure 4, and the outer edges of coded disk A and coded disk B are adjusted so that coded disk A and coded disk B are staggered to form a certain width. The gap, the diameter of the outer edge of the encoding disc A and the encoding disc B is 80mm, so that the width of the outer edge gap is 15mm. On the side of the scale line, make the distance between photoelectric sensor A and photoelectric sensor B 8mm smaller than the corresponding notch width.

[0041] Calculate the angle of the notch through the scale value, and calculate the ratio of this angle to the angle of the non-notch part of the outer edge of the code disc as 1:4;

[0042] After starting the fan motor, the programmable controller receives the output signals of photoelectric sensor A and photoelectric sensor B, processes them, and calculates the duty cycle of the received...

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Abstract

The invention discloses a fault monitoring device and a fault monitoring method for a frost-proof fan in a tea garden and an orchard. The fault monitoring device comprises a programmable controller, an alarm, a GSM (Global System for Mobile) module, a power supply module, a photoelectric sensor A, a photoelectric sensor B, a coding disc A and a coding disc B; the coding disc A and the coding disc B are arranged on a spindle head of a motor for driving the fan in a sleeving manner and the coding disc A and the coding disc B are enabled to be staggered and are screwed down by a nut; the photoelectric sensor A and the photoelectric sensor B are fixed on a cradle head for supporting the motor; induction contacts of the photoelectric sensor A (3) and the photoelectric sensor B (4) are enabled to be perpendicular to the surfaces of the coding discs, which are provided with scales, side by side; the input end of the programmable controller is connected with the output ends of the photoelectric sensor A and the photoelectric sensor B; the programmable controller controls the alarm and the GSM module to carry out fault alarm of the frost-proof fan and send fault information according to processing results of signals output by the photoelectric sensor A and the photoelectric sensor B; the fault monitoring device and the fault monitoring method are convenient to timely find the fault of the fan to carry out maintenance, ensures normal operation of frost-proof equipment and ensures a frost-proof effect. The fault monitoring device and the fault monitoring method can be applied to fault monitoring of the frost-proof fan in the tea garden and the orchard.

Description

[0001] technical field [0002] The invention belongs to the field of agricultural machinery equipment, and in particular relates to an automatic fault monitoring technology of a frost-proof fan in a tea garden. Background technique [0003] Frost damage has always been a key factor restricting the production of famous and special teas in early spring in southern my country and the stable increase of tea farmers' income. Traditional anti-frost measures in tea gardens are time-consuming and labor-intensive, and even affect the quality of tea and pollute the environment. In recent years, the anti-frost fan technology for tea gardens imported from abroad uses fans to prevent frost in tea gardens, which overcomes these shortcomings. The anti-frost effect is good and the maintenance is convenient. And it is conducive to the improvement of tea quality, and can achieve a more ideal effect. Tea garden anti-frost fan technology is a new anti-frost technology introduced from abroad i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D27/00
Inventor 胡永光赵梦龙司永胜朱霄岚杨朔鹿永宗刘萍
Owner JIANGSU UNIV
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