Veterinary backfat instrument and using method thereof

A technology of backfat meter and switching switch, which is applied in application, medical science, structure of ultrasonic/acoustic/infrasonic diagnostic equipment, etc. It can solve problems such as unstable backfat readings and inaccurate readings, and achieve stable echo amplitude , the effect of mitigating the impact

Pending Publication Date: 2020-10-13
成都翼诚电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on the above problems, the object of the present invention is to provide a veterinary backfat meter and its use method, which is used to solve the problem that the veterinary backfat meter in the prior art has unstable readings on backfat, resulting in inaccurate readings

Method used

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  • Veterinary backfat instrument and using method thereof

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Embodiment 1

[0027] Such as figure 1 As shown, a veterinary backfat meter and its use method include a main controller, and the main controller is electrically connected with a first switch, an ultrasonic emission unit, a display screen and a second switch, and the first A changeover switch is electrically connected with the first excitation voltage, the second excitation voltage and the ultrasonic emission unit, and the ultrasonic emission unit is sequentially connected with an ultrasonic probe, a primary amplifier, a detector and a secondary amplifier through wires, and the secondary amplifier It is electrically connected with the second switching switch, and the second-stage amplifier is also electrically connected with an analog-to-digital converter, and the second switching switch is electrically connected with a first gain resistor and a second gain resistor, and the analog-to-digital converter A programmable logic device is electrically connected, and the programmable logic device i...

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Abstract

The invention relates to the technical field of veterinary backfat instruments, in particular to a veterinary backfat instrument and a using method thereof, aiming to solve the problem of inaccurate reading caused by unstable reading of backfat by the veterinary backfat instrument in the prior art. A first excitation voltage is selected as an excitation source to send ultrasonic signals, a first gain resistor is selected as a gain resistor of a secondary amplifier, signal echoes pass through a primary amplifier and then enter a detector, the detected signals enter the secondary amplifier, andthe signals pass through the secondary amplifier and then enter an analog-digital converter to be subjected to analog-digital conversion; and the converted numerical value is read by a programmable logic device at a high speed, the obtained digital discrete signal is subjected to down-sampling processing, then the processed data is sent to a main controller, and the main controller sends the processed data to a display screen to be displayed. The backfat instrument is dynamically adjusted according to the echo intensity during testing, so that the echo amplitude is stable, and the reading of the backfat instrument is more accurate.

Description

technical field [0001] The invention relates to the technical field of a veterinary backfat meter, and more particularly relates to a veterinary backfat meter and a use method thereof. Background technique [0002] The veterinary backfat meter is mainly used in large-scale pig farms. The veterinary backfat meter is used to measure the back fat layer of sows and evaluate the nutritional status of sows through the backfat thickness. Maintaining a reasonable range of backfat thickness during the entire estrus, mating and gestation period of sows will help them increase the litter size, and the measurement of backfat can provide the basis for the increase or decrease of feed for the breeders. Therefore, the accurate measurement of backfat is particularly important. The accuracy of the measurement depends on the selection of the detection part during the test in addition to the measurement accuracy of the backfat instrument itself, and whether the contact between the probe and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B8/08A61B8/00
CPCA61B8/0858A61B8/44A61B8/462A61B8/4444A61B2503/40
Inventor 张志军
Owner 成都翼诚电子有限公司
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