CN111595422A - Lamb nest scale equipment - Google Patents

Lamb nest scale equipment Download PDF

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Publication number
CN111595422A
CN111595422A CN202010422706.2A CN202010422706A CN111595422A CN 111595422 A CN111595422 A CN 111595422A CN 202010422706 A CN202010422706 A CN 202010422706A CN 111595422 A CN111595422 A CN 111595422A
Authority
CN
China
Prior art keywords
lamb
equipment
nest
radio frequency
card reader
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010422706.2A
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Chinese (zh)
Inventor
吴妃
祝俊伟
吴斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Raybaca Internet Of Things Technology Co ltd
Original Assignee
Anhui Raybaca Internet Of Things Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Raybaca Internet Of Things Technology Co ltd filed Critical Anhui Raybaca Internet Of Things Technology Co ltd
Priority to CN202010422706.2A priority Critical patent/CN111595422A/en
Publication of CN111595422A publication Critical patent/CN111595422A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G01G17/08—Apparatus for or methods of weighing material of special form or property for weighing livestock
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K11/00—Marking of animals
    • A01K11/006—Automatic identification systems for animals, e.g. electronic devices, transponders for animals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K29/00—Other apparatus for animal husbandry
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Birds (AREA)
  • Zoology (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses lamb nest scale equipment which comprises an equipment main body structure metal framework, a birth lamb activity barrel, a weight sensor, a first RFID radio frequency card reader antenna, a second RFID radio frequency card reader antenna, a switchable birth lamb out-of-barrel door, an equipment gauge head and a resistance type touch display screen, wherein an STM32 core control board, a battery pack, an RFID radio frequency card reader core control board and a GRPS/WLAN/LAN communication module are arranged in the equipment gauge head, and the resistance type touch display screen is arranged on a front panel of the equipment gauge head. This nest is called equipment convenient to use, can furthest reduce the error, guarantee that the sheep is accurate for the data of weighing, dull and stereotyped equipment is through being connected with nest title equipment, gathers nest title data, combines intelligent RFID hardware equipment, establishes a whole set of information data acquisition mechanism, and easy operation is convenient, satisfies the higher operation requirement of modernized agricultural cultivation.

Description

Lamb nest scale equipment
Technical Field
The invention relates to the technical field related to agricultural breeding equipment, in particular to lamb nest weighing equipment.
Background
Sheep is a generic name of the ovineidae, mammalia, artiodactyla, bovidae and ovineidae, is one of human domestic animals, and a hairy four-leg ruminant is a main source of wool, the wool color is mainly white, and lambs refer to lambs.
Currently, when weighing live lambs, the method mainly comprises the steps of directly placing the live lambs on a ground scale for weighing, then reading and manually recording data, or binding and fixing the lambs and hanging the lambs on a certain ground support for weighing.
The weighing methods cannot carry out nest weighing, are complex in operation, labor-consuming and time-consuming, low in accuracy, not ideal in using effect, not suitable for large-batch weighing, incapable of being popularized in a large range, incapable of establishing intelligent communication connection between the flat equipment and the weighing equipment, difficult in acquiring nest weighing data and difficult in meeting higher using requirements of modern agricultural cultivation.
Therefore, the lamb nest weighing device which is more intelligent and convenient to use is provided, so that the defects existing at present are overcome.
Disclosure of Invention
The invention aims to provide lamb nest weighing equipment to solve the problems in the background technology.
In order to achieve the above object, the present invention provides the technical solutions as set forth in claims 1 to 5:
a lamb nest scale device comprises a device main structure metal framework, a birth lamb movable barrel, a weight sensor, a first RFID radio frequency card reader antenna, a second RFID radio frequency card reader antenna, a switchable birth lamb discharge barrel door, a device gauge head and a resistance type touch display screen, wherein the weight sensor is arranged above a chassis of the device main structure metal framework, the birth lamb movable barrel is placed on the weight sensor, the top side wall surface and the front side wall surface of the birth lamb movable groove are both arranged in an opening form, the switchable birth lamb discharge barrel door is rotatably arranged at the opening of the front wall surface of the birth lamb movable groove, the first RFID radio frequency card reader antenna is arranged at the center position of the left side inner wall surface of the birth lamb movable barrel, the second RFID radio frequency card reader antenna is arranged at the center position of the right side inner wall surface of the birth lamb movable groove, the device gauge head is fixedly arranged at the top end of a pillar of the device main structure metal framework, an STM32 core control board, a battery pack, an RFID radio frequency card reader core control board and a GRPS/WLAN/LAN communication module are arranged in the equipment meter head, and a resistance type touch display screen is arranged on a front panel of the equipment meter head.
As a further scheme of the invention: the main structure metal framework is used for bearing and connecting a physical structure of parts of the whole equipment; the weight sensor is used for measuring the weight of the born lamb; the movable barrel for the born lambs is used for placing lambs to be weighed; the first RFID radio frequency card reader antenna and the second RFID radio frequency card reader antenna are used for acquiring lamb electronic ear tag electronic signals; the STM32 core control board is used for processing the data of the whole system and dispatching each electronic component, the battery pack is used for supplying power for the work of the whole equipment, the RFID radio frequency card reader core control board is used for processing the electrical signal of the RFID radio frequency card reader antenna and converting the electrical signal into an animal electronic identification ear tag, and the GRPS/WLAN/LAN communication module is used for providing support for the network transmission of equipment data; the resistive touch display screen is used for providing visual human-computer interaction for the equipment.
As a still further scheme of the invention: the scale body and the flat plate adopt Bluetooth or communicate based on an RS232 serial port, a connection mode is selected on a nest scale equipment management interface, if wireless connection is adopted, nearby Bluetooth can be searched for connection, if a serial port mode is adopted, wired connection can be carried out through RS, and the connection state of the nest scale can be displayed after connection is successful.
As a still further scheme of the invention: the dull and stereotyped equipment uses the serial ports connection antenna, connects the nest through the bluetooth and calls equipment, and the back is connected to the equipment, clicks on APP and begins to read the label, and the dull and stereotyped label data that can show shows simultaneously the data of weighing.
As a still further scheme of the invention: the data collected by the flat plate can be uploaded through the internet, the data can be uploaded by clicking, an uploading interface is entered, and data uploading items can be selected, including selling weaning weighing, selling weighing and the like.
Compared with the prior art, the invention has the beneficial effects that:
nest is called equipment convenient to use, can furthest reduce the error, guarantees that the sheep data of weighing is accurate, and dull and stereotyped equipment is called the equipment through being connected with the nest, gathers nest and calls data, combines intelligent RFID hardware equipment, establishes a whole set of information data acquisition mechanism, and easy operation is convenient, satisfies the higher operation requirement of modernized agricultural cultivation.
Drawings
Fig. 1 is a schematic structural diagram of a lamb nest scale device in a first view angle state.
Fig. 2 is a structural schematic diagram of the lamb nest weighing device in a second view angle state.
Fig. 3 is a schematic structural diagram of the lamb nest balance device in a third view angle state.
Fig. 4 is a schematic view of topological connection of the components of the lamb nest weighing device.
Fig. 5 is a schematic diagram of a structural framework of a current planning system of the lamb nest weighing device.
Fig. 6 is a software technology communication schematic diagram of lamb nest weighing equipment.
Fig. 7 is a bluetooth connection diagram of a lamb nest scale device.
Fig. 8 is a data display diagram of a lamb nest weighing device.
Fig. 9 is a screen operation diagram of a lamb nest weighing device.
In the figure: 1-equipment main body structure metal framework, 2-birth lamb activity barrel, 3-weight sensor, 4-first RFID radio frequency card reader antenna, 5-second RFID radio frequency card reader antenna, 6-second RFID radio frequency card reader antenna, 7-equipment gauge outfit, 8-resistance type touch display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the invention, a lamb nest weighing device comprises a device main structure metal framework 1, a moving lamb barrel 2, a weight sensor 3, a first RFID radio frequency card reader antenna 4, a second RFID radio frequency card reader antenna 5, a switchable lamb barrel outlet door 6, a device gauge head 7 and a resistance type touch display screen 8;
the main structure metal framework 1 is used for bearing and connecting a physical structure of parts of the whole equipment;
a weight sensor 3 is arranged above a chassis of the metal framework 1 of the main structure of the device, and the weight sensor 3 is used for measuring the weight of the born lamb;
the birth lamb activity barrel 2 is placed on the weight sensor 3, and the lamb activity groove 2 is used for placing lambs to be weighed;
the top side wall surface and the front side wall surface of the movable barrel 2 for the born lambs are both in an opening form, and an openable and closable born lambs exit rotating door 6 is rotatably arranged at the opening of the front wall surface;
a first RFID radio frequency card reader antenna 4 is arranged at the center of the inner wall surface of the left side of the birth lamb activity barrel 2, a second RFID radio frequency card reader antenna 5 is arranged at the center of the inner wall surface of the right side of the birth lamb activity barrel 2, and the first RFID radio frequency card reader antenna 4 and the second RFID radio frequency card reader antenna 5 are both used for acquiring lamb electronic ear tag electronic signals;
an equipment meter head 7 is fixedly mounted at the top end of a support column of the main structure metal framework 1 of the equipment, an STM32 core control board, a battery pack, an RFID radio frequency card reader core control board and a GRPS/WLAN/LAN communication module are arranged in the equipment meter head 7, the STM32 core control board is used for processing data of the whole system and scheduling each electronic component, the battery pack is used for supplying power for the work of the whole equipment, the RFID radio frequency card reader core control board is used for processing an electrical signal of an RFID radio frequency card reader antenna and converting the electrical signal into an animal electronic identification ear tag, and the GRPS/WLAN/LAN communication module is used for providing support for the network transmission;
a resistance type touch display screen 8 is configured on the front panel of the device gauge head 7, and the resistance type touch display screen 8 is used for providing visual human-computer interaction for the device.
The topological connection relationship of the parts of the nest balance device is shown in figure 4.
The working method and the principle of the nest scale equipment are as follows: the method comprises the steps that the born lamb is placed in a moving barrel 2 of the born lamb, an RFID radio frequency card reader antenna 4 and an RFID radio frequency card reader antenna 5 obtain lamb electronic ear tag electronic signals, an RFID radio frequency card reader core control panel processes RFID radio frequency card reader antenna electric signals to be converted into animal electronic identification ear tags, a weight sensor 3 measures the weight of the born lamb, the weight electric signals are transmitted to an STM32 core control panel, a battery pack supplies power to an STM32 core control panel and a resistive touch display screen 8, equipment data network transmission is carried out between a GRPS/WLAN/LAN communication module and the STM32 core control panel, the STM32 core control panel transmits digital display/control signals to the resistive touch display screen 8, the resistive touch display screen 8 completes display of various final data, data recording is carried out, the switchable born lamb birth barrel door 6 is opened, the born lamb is taken out, and the weighing work of the whole lamb is completed.
The nest scale equipment is elaborated in detail from four aspects of system design, system framework building, technical realization and system function:
1. system design
The system comprises an application system framework developed by utilizing technologies such as a local area network wireless technology, a Bluetooth technology, a Web technology, a database technology, a cache data technology, a JAVA technology, an object-oriented technology and the like. The flat panel App is connected with the nest scale equipment, collects nest scale data, and establishes a whole set of information data collection mechanism by combining with intelligent RFID hardware equipment, so that the operation is simple and convenient.
2. System framework building
The system framework is built on the basis of legal guidance established by using government department laws and regulations, advanced network technology and data acquisition means are adopted, and meanwhile, system information safety measures are adopted to guarantee the whole-course network safety, so that potential safety hazards are reduced as much as possible.
The cloud system security access platform is combined, network security data exchange and a system framework are adopted, software is an internal system, and data cloud storage and cloud processing can be achieved by combining the cloud system.
Now a schematic diagram of the architecture of the planning system is shown in fig. 5.
3. Technical implementation
The nest weighing equipment adopts a dynamic algorithm technology, so that errors are reduced to the maximum extent, accurate weighing data of sheep are guaranteed, the weighing body equipment supports connection of Bluetooth communication, and RJ45 network cable direct connection TCP/IP communication or RS232 serial port wired communication.
The tablet device adopts an android system, the system is open, the openness expansibility is strong, the customization degree is high, the Bluetooth communication, the serial communication and the wireless communication are supported, and the tablet device can be used in cooperation with various scenes.
Software technology communication of the pit scale device is shown in fig. 6.
The software technology communication of the cellular balance device should also pay attention to the following seven requirements:
(1) the scale body and the flat plate suggest direct connection communication [ TPC/IP communication based on RJ45 network direct connection or serial port wired communication based on RS232 ], and do not suggest adopting wireless communication means such as Bluetooth and the like.
(2) And the panel recommends reading the EPC and performing data correlation work after obtaining the weighing stable value.
(3) The flat weighing software suggests that the items can be set as follows: I. and setting a data reporting server address II, a user name and password III and a weighing action starting cut-to-point confirmation button to ensure the interruptibility of the transaction.
(4) And the flat data reporting mode adopts an HTTP/HTTPS mode to send a JSO message to the server side.
(5) The tablet reserves a Bluetooth data output interface so that other third-party equipment can access data.
(6) The tablet data is cached locally and the device is removable.
(7) A plurality of serial ports are reserved on the flat plate, one serial port serves as a signal lamp access port, and a lamp or a buzzing signal can be lightened or buzzed after the current weighing and collecting is finished.
4. System function
The system functions include nest scale equipment management, quantity acquisition and data uploading.
Firstly, managing equipment:
the scale body and the flat plate adopt Bluetooth or RS232 serial port based communication, a connection mode is selected on a management interface of the nest scale equipment, and if wireless connection is adopted, nearby Bluetooth can be searched for connection; if a serial port mode is adopted, RS232 can be used for wired connection, and the connection state of the socket scale can be displayed after the connection is successful. The bluetooth connection is shown in fig. 7.
Collecting the quantity:
the dull and stereotyped equipment uses the serial ports connection antenna, connects the nest through the bluetooth and calls equipment, and the back is connected to the equipment, clicks on APP and begins to read the label, and the dull and stereotyped label data that can show shows simultaneously the data of weighing. The data display is shown in figure 8.
Thirdly, data uploading:
the data collected by the flat plate can be uploaded through the internet, the data can be clicked to upload, an uploading interface is entered, and data uploading items can be selected, including selling weaning weighing, selling weighing and the like. The screen operation is shown in fig. 9.
Compared with the prior art, the invention has the beneficial effects that:
nest is called equipment convenient to use, can furthest reduce the error, guarantees that the sheep data of weighing is accurate, and dull and stereotyped equipment is called the equipment through being connected with the nest, gathers nest and calls data, combines intelligent RFID hardware equipment, establishes a whole set of information data acquisition mechanism, and easy operation is convenient, satisfies the higher operation requirement of modernized agricultural cultivation.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (5)

1. A lamb nest scale device comprises a device main structure metal framework (1), a birth lamb activity barrel (2), a weight sensor (3), a first RFID radio frequency card reader antenna (4), a second RFID radio frequency card reader antenna (5), a switchable birth lamb exit barrel door (6), a device gauge head (7) and a resistance type touch display screen (8), and is characterized in that the weight sensor (3) is arranged above a chassis of the device main structure metal framework (1), the birth lamb activity barrel (2) is placed on the weight sensor (3), the top side wall surface and the front side wall surface of the birth lamb activity barrel (3) are both arranged in an opening form, the switchable birth lamb exit barrel door (6) is rotatably installed at an opening of the front wall surface, the first RFID radio frequency card reader antenna (4) is arranged at the center position of the left side inner wall surface of the birth lamb activity barrel (2), the lamb birth lamb activity bucket (2) is characterized in that a second RFID radio frequency card reader antenna (5) is arranged at the center of the inner wall surface of the right side of the lamb birth lamb activity bucket (2), an equipment gauge head (7) is fixedly installed at the top end of a support column of the main structure metal framework (1) of the equipment, an STM (32) core control board, a battery pack, an RFID radio frequency card reader core control board and a GRPS/WLAN/LAN communication module are arranged in the equipment gauge head (7), and a resistance type touch display screen (8) is arranged on a front panel of the equipment gauge head (7).
2. The lamb nest scale device according to claim 1, characterized in that the main structure metal framework (1) is used for bearing the physical structure of the parts connecting the whole device; the weight sensor (3) is used for measuring the weight of the born lamb; the birth lamb moving groove (2) is used for placing lambs to be weighed; the first RFID radio frequency card reader antenna (4) and the second RFID radio frequency card reader antenna (5) are used for acquiring lamb electronic ear tag electronic signals; the STM32 core control board is used for processing the data of the whole system and dispatching each electronic component, the battery pack is used for supplying power for the work of the whole equipment, the RFID radio frequency card reader core control board is used for processing the electrical signal of the RFID radio frequency card reader antenna and converting the electrical signal into an animal electronic identification ear tag, and the GRPS/WLAN/LAN communication module is used for providing support for the network transmission of equipment data; the resistive touch display screen (8) is used for providing visual human-computer interaction for the equipment.
3. The lamb nest scale device according to claim 1, wherein the scale body and the flat plate communicate via bluetooth or RS232 serial ports, a connection mode is selected on a nest scale device management interface, if the lamb nest scale device management interface is in wireless connection, nearby bluetooth can be searched for connection, if the lamb nest scale device management interface is in serial port mode, RS232 can be used for wired connection, and after connection is successful, the nest scale connection state can be displayed.
4. The lamb nest scale equipment of claim 1, characterized in that the dull and stereotyped equipment uses serial ports to connect the antenna, connects nest scale equipment through the bluetooth, and after the equipment is connected, click on APP and begin to read the label, the dull and stereotyped can show label data, shows the data of weighing simultaneously.
5. The lamb nest scale device of claim 1, wherein the data collected by the flat panel can be uploaded through the internet, clicked, and entered into an upload interface, and items selected for uploading data include selling weaning weight, selling weighing, and the like.
CN202010422706.2A 2020-05-13 2020-05-13 Lamb nest scale equipment Pending CN111595422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010422706.2A CN111595422A (en) 2020-05-13 2020-05-13 Lamb nest scale equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010422706.2A CN111595422A (en) 2020-05-13 2020-05-13 Lamb nest scale equipment

Publications (1)

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CN111595422A true CN111595422A (en) 2020-08-28

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050145187A1 (en) * 2003-12-29 2005-07-07 Gray James D. Asset management of livestock in an open range using satellite communications
CN102265793A (en) * 2011-08-16 2011-12-07 内蒙古物通天下网络科技有限责任公司 Livestock automatic identification door
CN202471233U (en) * 2012-03-02 2012-10-03 黄德明 Electronic weighing device with radio frequency and Bluetooth transmission function
CN205426306U (en) * 2016-03-14 2016-08-03 内蒙古农业大学 Live body sheep automatic weighing device
CN205498986U (en) * 2016-03-09 2016-08-24 福建省农业科学院畜牧兽医研究所 Lamb transfer car(buggy)
CN206556738U (en) * 2017-01-21 2017-10-13 内蒙古智牧溯源技术开发有限公司 A kind of Portable hand live body weighed of lamb device
CN207036233U (en) * 2017-07-11 2018-02-23 南京农业大学 Large-scale pig farm special intelligent electronic scale system
CN109341827A (en) * 2018-11-16 2019-02-15 浙江大学城市学院 A kind of house sheep raising weighing device and its method based on internet of things data acquisition
CN110495404A (en) * 2018-05-18 2019-11-26 榆林学院 A kind of sheep data logger vehicle
CN209841156U (en) * 2019-07-08 2019-12-24 内蒙古自治区农牧业科学院 Lamb weighing device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050145187A1 (en) * 2003-12-29 2005-07-07 Gray James D. Asset management of livestock in an open range using satellite communications
CN102265793A (en) * 2011-08-16 2011-12-07 内蒙古物通天下网络科技有限责任公司 Livestock automatic identification door
CN202471233U (en) * 2012-03-02 2012-10-03 黄德明 Electronic weighing device with radio frequency and Bluetooth transmission function
CN205498986U (en) * 2016-03-09 2016-08-24 福建省农业科学院畜牧兽医研究所 Lamb transfer car(buggy)
CN205426306U (en) * 2016-03-14 2016-08-03 内蒙古农业大学 Live body sheep automatic weighing device
CN206556738U (en) * 2017-01-21 2017-10-13 内蒙古智牧溯源技术开发有限公司 A kind of Portable hand live body weighed of lamb device
CN207036233U (en) * 2017-07-11 2018-02-23 南京农业大学 Large-scale pig farm special intelligent electronic scale system
CN110495404A (en) * 2018-05-18 2019-11-26 榆林学院 A kind of sheep data logger vehicle
CN109341827A (en) * 2018-11-16 2019-02-15 浙江大学城市学院 A kind of house sheep raising weighing device and its method based on internet of things data acquisition
CN209841156U (en) * 2019-07-08 2019-12-24 内蒙古自治区农牧业科学院 Lamb weighing device

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Application publication date: 20200828