Cow milk yield metering device
A metering device and technology for milk production, applied in the field of flow meters, can solve the problems of metering errors, affecting the accuracy of milk flow measurement results, and achieve the effect of eliminating flow errors
Active Publication Date: 2017-05-24
宁夏农垦乳业股份有限公司 +2
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Problems solved by technology
[0002] Automatic milking technology simulates manual milking action through intermittent vacuum operation to achieve milking. The milk squeezed out during the working process of the automatic milking machine is usually in a mixed state of liquid and gas. When measuring the flow of milk due to gas Interference factors, there will always be measurement errors, and the milk flow during milking will continue to change with time. The early flow is small, the middle flow is large, and the flow speed is fast. When the milk is about to be milked, the flow will decrease again. , which also affects the accuracy of the milk flow measurement
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[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.
[0020] Please see Figure 1 to Figure 3 , a milk production measuring device for dairy cows comprises an upper cover 10, a lower cover 20, a gas phase balance tube 30, a milk outlet switch 40, a load cell 50 and a control module 60, the upper cover 10 is connected to the lower cover 20, The upper cover 10 includes an upper casing 11, an upper gas phase balance connecting pipe 12 communicating with the top of the upper casing 11, a milk inlet connecting pipe 13, an upper connecting flange 14 arranged at the bottom of the upper casing 1...
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A cow milk yield metering device comprises a lower cover body, a gas phase balance pipe, a milk outlet switch, a weighing sensor and a controller. The controller is electrically connected to the weighing sensor. The controller controls open and close of the milk outlet switch according to a real-time weight value and prestored upper and lower limit weight values provided by the weighing sensor, and records open times of the milk outlet switch. The controller calculates a total milk yield of a cow during a measurement process according to the prestored upper limit weight value and the open times of the milk outlet switch. In the invention, a combination design of the weighing sensor, the milk outlet switch and a timing unit is used, weighing-type flow measurement is realized and a flow error caused by a gas mixed in the milk is eliminated. The gas phase balance pipe is used to separate the gas from the extruded milk so that the milk can continuously flow into the cow milk yield metering device.
Description
technical field [0001] The invention relates to a flow meter, in particular to a milk production measuring device for dairy cows. Background technique [0002] Automatic milking technology simulates manual milking action through intermittent vacuum operation to achieve milking. The milk squeezed out during the working process of the automatic milking machine is usually in a mixed state of liquid and gas. When measuring the flow of milk due to gas Interference factors, there will always be measurement errors, and the milk flow rate during milking will continue to change with time. The early flow rate is small, the middle flow rate is large, and the flow rate is fast. When the milk is about to be milked, the flow rate will decrease again. , which will also affect the accuracy of the milk flow measurement. Contents of the invention [0003] In view of this, it is necessary to provide a milk production measuring device for cows that can eliminate errors caused by gas mixed in...
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IPC IPC(8): G01G11/14G01G17/04G01F1/00
CPCG01F1/00G01G11/14G01G17/04
Inventor 郝峰李金诚温万邵怀峰谢明亮
Owner 宁夏农垦乳业股份有限公司