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Pig house environment harmful gas multi-point measurement system based on CAN field bus

A harmful gas, field bus technology, applied in measurement devices, physical implementations, instruments, etc., can solve the problems of low reliability, poor real-time performance, low accuracy, etc., and achieve the effect of high real-time performance, high cost performance, and reduced development costs.

Inactive Publication Date: 2009-10-21
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the shortcomings of low reliability, low accuracy and poor real-time performance of the existing detection technology, the present invention provides a construction method for accurate and real-time multi-point simultaneous detection of harmful gases in pig houses

Method used

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  • Pig house environment harmful gas multi-point measurement system based on CAN field bus
  • Pig house environment harmful gas multi-point measurement system based on CAN field bus
  • Pig house environment harmful gas multi-point measurement system based on CAN field bus

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Embodiment Construction

[0027] specific implementation plan

[0028] Layout of the detection unit: Figure 7 The floor plan of gas sampling points for detecting the distribution of harmful gases in a pig house. The pig house is 30 meters long, 10 meters wide, and 3 meters high. The circles in the figure represent the sampling points of the air inlet, where 1 means that the air inlet sampling point is 0.3 meters from the ground, 2 means that the air inlet sampling point is 1 meter from the ground (basically equivalent to the height of a pig), and 3 means The sampling point of the air inlet is 2 meters away from the ground. The sampling point has three heights in the pig house. The gas sampling points of different heights are arranged at intervals. They are distributed near the pigsty to reflect the influence of harmful gases on the growth of pigs. The detection unit and computer in the control room.

[0029] Sampling: Due to the high discreteness of harmful gases in the pig house environment, and it...

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Abstract

The invention relates to a pig house environment harmful gas multi-point measurement system based on a CAN field bus. The system comprises a plurality of detection units and a detection center computer, all the detection units are connected with the detection center computer through a field bus system to realize the information interaction between the detection center computer and all the detection units, wherein the detection units are used for collecting data of pig house environment harmful gas and uploading to the detection center computer; and the detection center computer is used for processing and identifying the mode of the data of the pig house environment. The system is applicable to multi-point simultaneous measurement of the harmful gas in a pig house which is the growing environment of live pigs and can simultaneously obtain the distribution status of the harmful gas of one or a plurality of detection points, obtains the status grade of the harmful gas of the whole pig house by the integration of multi-point information, improves the detection reliability, the accuracy and the real-time property, reduces the cost of the system and has very broad application prospects.

Description

technical field [0001] The invention relates to a CAN field bus-based multi-point measurement system for harmful gases in pig house environment. The invention belongs to the technical field of automatic equipment for raising agricultural livestock. Background technique [0002] At present, the harmful gas in the pig house of the farm not only affects the normal growth of pigs, but also damages the atmospheric environment. Therefore, the condition of the harmful gas must be measured before it is purged. These gases come from many aspects, such as animal respiration, animal skin, feed, animal manure and sewage, among which animal manure and sewage are the main sources of odor in farms. Animal manure is a complex compound containing carbohydrates, fats, proteins, minerals, vitamins and their metabolites. These compounds are the source of nutrients for the growth and reproduction of microorganisms. Under anaerobic conditions, these substances are digested and degraded by micr...

Claims

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Application Information

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IPC IPC(8): G01N33/00G06N3/06
Inventor 赵德安马从国李发忠孙月平田传帮
Owner JIANGSU UNIV
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