CN107728513A - A kind of colony house sheep raising licks brick internet of things data acquisition device - Google Patents

Abstract

The invention discloses a brick-licking Internet of things data acquisition device for raising sheep in pens. Install an electromagnetic wave intercepting metal cover on the top of the bracket firmly placed in the sheep pen in the house and install a radio frequency electromagnetic wave transceiver inside the metal cover, install a sheep ear tag type transponder on each sheep's ear, and install it above the licking brick A group of photoelectric switches. When a sheep puts its head close to licking the brick, the photoelectric switch sends a trigger signal to inform the radio frequency electromagnetic wave transceiver to send out radio frequency electromagnetic waves to activate the sheep licking the sheep. The ear tag transponder reflects its own number to the radio frequency electromagnetic wave transceiver and uploads it. Data acquisition management machine. The time and duration of brick licking for each sheep were recorded. The electromagnetic waves reflected by the sheep ear tag transponder are isolated by intercepting the metal cover by electromagnetic waves, thereby ensuring the accuracy of data collection.

Description

A Brick Licking IoT Data Acquisition Device for Sheep Raising

technical field

The invention relates to the technical field of animal husbandry information equipment, in particular to a brick licking Internet of Things data acquisition device for raising sheep in pens.

technical background

With the popularization and application of pen breeding technology, animal husbandry, especially small livestock such as sheep, is showing a development trend of scale, centralization, factoryization, and informationization. Licking bricks are designed and produced according to the licking habits of ruminants such as cattle, sheep, donkeys, deer, etc., and the macro elements such as calcium, phosphorus, sodium and chlorine as well as iron, copper and manganese that ruminants need daily are added. , zinc, selenium and other trace elements can maintain the electrolyte balance of ruminant livestock such as cattle and sheep, prevent and treat livestock mineral nutrition deficiency, mainly to supplement, balance and regulate mineral nutrition, and prevent ruminant pica, mastitis, Lame hoof disease, retained placenta, less milk after giving birth, weak lambs, slow growth, and rough fur. Effectively improve the feed conversion rate, promote growth and reproduction, improve production performance, and improve the quality of livestock products. With the development of my country's aquaculture industry, licking bricks has also become a necessary and efficient addition method in most intensive farms. In the process of raising sheep in pens, in order to grasp the healthy growth of sheep in a timely and accurate manner, it is necessary to collect and monitor data on the situation of sheep licking and licking bricks. In the prior art, technical methods such as video surveillance are adopted, and the following patents disclose related technologies.

Patent CN201410589449.6 (publication (announcement) number CN104381205A) discloses a comprehensive system of sheep growth monitoring and information service cloud platform based on the Internet of Things, including information service cloud platform, Internet, user terminal equipment, Internet of Things intelligent control all-in-one machine and The sheep growth status collection device, the sheep growth status collection device is connected with the Internet of Things control all-in-one machine, and the Internet of Things intelligent control all-in-one machine is respectively connected with the information service cloud platform and the user terminal equipment through the Internet. Establish a non-contact measurement (body length, body height, body temperature, weight) and automatically record growth files for sheep. Body temperature measurement found suspected diseased sheep, early detection and early isolation, to reduce the spread of the disease. The information service cloud platform sorts out the growth information, provides data sources for mutton traceability, and provides a basis for experts and managers to adjust the sheep breeding process.

Patent CN201520375785.0 (publication (announcement) number CN204860467U) discloses a cattle and sheep breeding system based on the Internet of Things, including a sensing module and a timing module, the sensing module is electrically connected to the control terminal, the control terminal is electrically connected to the processing module, and the timing module Electrically connected to the control terminal, the control terminal is electrically connected to the automatic feeding module and the automatic cleaning module, and the control terminal is also electrically connected to the data storage module and the image acquisition module to automatically sense and adjust the environment of the farm, and to automatically feed cattle and sheep. Feeding and automatic cleaning of the cattle and sheep pens, the image acquisition module enables the farmers to observe the situation in the farm at all times without patrolling, and the occurrence of cattle and sheep diseases can be detected in time to reduce the possibility of further infection.

Patent CN201310228840.9 (publication (announcement) number CN103312802A) discloses a beef cattle breeding environment monitoring method based on the Internet of Things. A radio frequency identification tag (RFID) ear tag is placed on the ear of each beef cattle to identify and distinguish each beef cattle. ;In the beef cattle breeding environment, deploy RFID card readers to read the beef cattle ear tags entering the sensing area, and carry out identification and positioning; in the beef cattle breeding environment, arrange environmental monitoring nodes to monitor the breeding environment of beef cattle; In the environment, the beef cattle are identified and positioned in real time through RFID; the environmental information of the beef cattle is collected regularly through the environmental detection node; the environmental monitoring node communicates with a convergence point through the wireless ad hoc network, and sends the monitoring data to the convergence point; The point is connected to the server through the gateway, the server is connected to the Internet, and the remote client can access the server through the Internet.

Patent CN201611182442.8 (publication (announcement) No. CN106484014A) discloses a refined cow breeding system based on the Internet of Things and single-chip microcomputer technology, including a sensor monitoring module installed on the cow, a central control module, a wireless data transmission module and a The upper computer data monitoring module of the monitoring center. The sensor monitoring module includes a temperature sensor installed on the cow to monitor its body temperature and a three-axis acceleration sensor to measure its moving direction and speed. The central control module includes a single-chip microcomputer and a wireless data transmission module. Including zigbee module, upper computer data monitoring module includes industrial computer, database server. The temperature sensor is fixed on the cow to measure the body temperature, and the three-axis acceleration sensor is used to measure the movement of the cow. Combined with single-chip microcomputer technology and wireless transmission technology for efficient data transmission, the body temperature of the cow is monitored and the amount of exercise of the cow is calculated, which is realized in combination with the amount of food the cow eats. Refined feeding of dairy cows.

Patent CN201210114525.9 (Publication (Announcement) No. CN102647475B) discloses an intelligent Internet of Things system and Internet of Things method for livestock and poultry farms, including animal identification system, environmental information detection system, livestock and poultry behavior detection system, main control computer, control The system and the information publishing unit collect real-time environmental information and real-time livestock behavior information of livestock and poultry farms to form animal identity information, establish a database, and automatically regulate the breeding environment of livestock and poultry houses according to real-time environmental information and real-time livestock and poultry behavior information. .

Patent CN201310435506.0 (publication (announcement) number CN103488148B) discloses an intelligent monitoring system for livestock behavior, including a livestock data acquisition device, a wireless transmission module, a remote monitoring center and an information center database; the livestock data acquisition device passes the sampled data through The wireless transmission module is transmitted to the remote monitoring center, and the remote monitoring center analyzes and processes the sampled data, and the information center database is used to store the collected data; the wireless transmission module is a WIFI transmission module; the livestock data collection device includes multiple cameras and multiple sensors , multiple non-contact infrared thermometers and passive RFID tags; multiple cameras are arranged at 30-degree intervals and arranged in a circle, and are erected on the top of the livestock house. Each camera is equipped with a WIFI communication unit, so that multiple cameras A high-speed wireless local area network is formed between them, which are linked with the WIFI transmission module of the intelligent monitoring system; multiple sensors include motion sensors, geomagnetic sensors, sound sensors arranged on specific parts of the livestock body, and temperature and humidity sensors arranged in the livestock house. The sensor regularly collects the movement data of livestock, regularly collects the posture data of livestock standing or crawling through the geomagnetic sensor, detects the audio signal of livestock coughing through the sound sensor to alarm the cold symptoms, and collects the environmental data of the livestock house through the temperature and humidity sensor; Each sensor is equipped with a WIFI communication unit and is linked with the WIFI transmission module of the intelligent monitoring system, so that each sensor forms a WIFI network node, and a high-speed wireless local area network is formed between the sensors; multiple non-contact infrared thermometers are fixed separately On each camera, and share WIFI communication with the camera, so as to detect the body temperature of livestock while video monitoring; the passive RFID tag is located on the collar and installed on the neck of the livestock, and the passive RFID tag is connected with the livestock trough Corresponding to the RFID identification terminal, the RFID identification terminal reads the tag data and transmits the dietary data information of the livestock to the remote monitoring center through the WIFI network, and provides it to the staff for judgment. At the same time, another patent CN201420174298.3 (publication (announcement) number CN204013611U) of the same applicant discloses a dairy farm wireless monitoring system based on the Internet of Things, including passive electronic tag RFID modules, UHF RFID read-write devices, Non-contact infrared temperature measurement module, environmental information perception module, gateway module, multiple wireless communication nodes, remote server and user terminal. The system is based on the Internet of Things, sensors, and Zigbee wireless communication to realize the automation of animal husbandry production.

Patent CN201520026359.6 (Publication (Announcement) No. CN204362108U) discloses an animal husbandry Internet of Things system, including on-site information collection device, wireless transmitter, wireless receiver and on-site monitor. The on-site information collection device includes temperature and humidity collection module, The ammonia concentration acquisition module, the water volume acquisition module, the electricity consumption acquisition module and the silo feed volume acquisition module, the output terminals of each acquisition module are respectively connected to the wireless receiving device through the wireless transmitting device, and the signal output terminal of the wireless receiving device is connected to the wireless receiving device. On-site monitor connection; the on-site monitor is connected with other monitors through the communication network. By analyzing the collected data and predicting and judging the growth information of livestock in the farm, timely control of diseases and prevention can be made.

Patent CN201710228045.8 (publication (announcement) number CN106950881A) discloses an intelligent livestock feeding controller, including a main control module, a liquid crystal display module, a sensor module, a lighting control module, a music player module, an alarm module, and a key livestock individual detection module , automatic exhaust device, ultraviolet disinfection module, wireless camera, wireless communication module and mobile phone terminal. Realize intelligent control of livestock breeding, decibel noise monitoring and alarm, individual monitoring of key breeding objects, light control, ultraviolet disinfection, music playback and other functions to improve breeding efficiency.

The above technologies have their own advantages in different application occasions. Through the monitoring of various environmental data of livestock breeding, the growth status of livestock can be grasped from a macro perspective, the cost of labor input can be reduced, and the degree of automation can be improved. However, it is impossible to monitor the growth of each livestock, or the cost of its technical means is too high to be practically applied. In the technologies disclosed in patent CN201310435506.0 (publication (announcement) number CN103488148B) and patent CN201420174298.3 (publication (announcement) number CN204013611U), there are defects in the design of collecting livestock diet data, and the RFID installed on the livestock trough The identification terminal can only identify the passive RFID tags on the neck collars of several livestock nearby, which requires the installation of multiple RFID identification terminals. One RFID tag may also be read by several RFID identification terminals at the same time. RFID tags of livestock in troughs may also be read, leading to data confusion. Among other patented technologies, the monitoring of livestock feeding through wireless cameras does not solve the problem of manual operation. Because the living habits and growth process of cattle, sheep, pigs, etc. have different requirements for the feeding environment, they need to be treated and designed separately. On the other hand, in order to prevent the sheep from eating too much licking bricks at one time and causing poisoning, it is necessary to develop a data acquisition device for sheep licking bricks that is suitable for large-scale pen breeding management.

Contents of the invention

In order to solve the problem in the prior art that there is no data acquisition device for sheep licking bricks and bricks that is suitable for large-scale breeding management in pens, the present invention provides a brick-licking Internet of Things data acquisition device for raising sheep in pens. Install an electromagnetic wave intercepting metal cover on the top of the bracket that is firmly placed in the sheepfold in the house and install a radio frequency electromagnetic wave transceiver in the metal cover. group of photoelectric switches. When a sheep puts its head close to licking bricks, the photoelectric switch is triggered to send a trigger signal, and the trigger signal notifies the radio frequency electromagnetic wave transceiver to intermittently send out modulated radio frequency electromagnetic waves according to the set period, and the ear tag type sheep licks the sheep. The transponder is activated by radio frequency electromagnetic waves, and transmits its own number in the form of load reflection modulation. The radio frequency electromagnetic wave transceiver receives the serial number of the ear tag type transponder and uploads it to the data acquisition and management machine. In each cycle of the radio frequency electromagnetic wave transceiver, the number of licking sheep will be recorded, so that the licking time and duration of each sheep will be recorded in the data collection and management machine. When no sheep licks the bricks, the photoelectric switch resets, and sends a reset signal to notify the radio frequency electromagnetic wave transceiver to stop emitting electromagnetic waves. Because the radio frequency electromagnetic wave transceiver is installed in the electromagnetic wave intercepting metal cover, the electromagnetic wave emitted by the radio frequency electromagnetic wave transceiver is limited under the electromagnetic wave intercepting metal cover, so that only the sheep ear tag transponder that licks the brick sheep is activated by the radio frequency electromagnetic wave. Even if electromagnetic waves enter the sheep bed area and the ear tag transponders of sheep that are not licking bricks are activated by mistake, the reflected electromagnetic waves are isolated by the electromagnetic wave intercepting metal cover and will not be received by the radio frequency electromagnetic wave transceiver, thus ensuring collection Data Accuracy.

For this reason, the present invention adopts following technical scheme.

A brick licking Internet of things data acquisition device for raising sheep in a pen, the data acquisition device consists of a bracket, a brick lick, a group of photoelectric switches, a radio frequency electromagnetic wave transceiver, an electromagnetic wave intercepting metal cover, a sheep ear tag type transponder, a data The composition of the collection management organization; among them,

The bracket is composed of a base, a column installed on the base, a brick-licking horizontal bracket installed on the lower part of the column or a brick-licking suspender installed on the upper part of the column. On the horizontal bracket of the bracket or hung on the boom, the licking brick is located at a height that is convenient for the sheep to lower their heads to lick; install a sheep ear tag type transponder on the ear of each sheep;

The group of photoelectric switches is installed on the column of the support through the bracket, and is located above the licking bricks. When the head of the sheep is close to the licking bricks, at least one photoelectric switch in the group of photoelectric switches will be triggered. The output terminals of the radio frequency electromagnetic wave transceiver are respectively connected to the trigger signal input terminals;

The electromagnetic wave intercepting metal cover is an open umbrella, fixedly installed on the top of the column of the bracket, the electromagnetic wave intercepting metal cover is installed above a group of photoelectric switches, and the lower edge is lower than the position of the ears of the sheep when they stand normally;

The radio frequency electromagnetic wave transceiver is installed in the position near the top of the electromagnetic wave intercepting metal cover; the radio frequency electromagnetic wave transceiver sends out the modulated radio frequency intermittently according to the set cycle after receiving the trigger signal sent by any photoelectric switch in a group of photoelectric switches. Electromagnetic waves, radio frequency electromagnetic waves are limited below it by the electromagnetic wave intercepting metal cover, so that the ear tag type transponder whose head is located under the electromagnetic wave intercepting metal cover and is licking bricks can be obtained under the radiation of radio frequency electromagnetic waves emitted by the radio frequency electromagnetic wave transceiver. Energy, transmits its own number in the form of load reflection modulation; the radio frequency electromagnetic wave transceiver receives the electromagnetic wave emitted by the sheep ear tag transponder, demodulates and decodes it to obtain the number data of the sheep ear tag transponder;

The radio frequency electromagnetic wave transceiver is connected to the data acquisition management machine in communication; it is used to transmit the set period of the radio frequency electromagnetic wave that the data acquisition management machine sends to the radio frequency electromagnetic wave transceiver periodically and intermittently; it is used to transmit the radio frequency electromagnetic wave transceiver received by the radio frequency electromagnetic wave transceiver A trigger signal sent by any photoelectric switch in a group of photoelectric switches; used for the radio frequency electromagnetic wave transceiver to send the serial number data of the received sheep ear tag type transponder to the data collection management machine, and the data collection management machine (7) records all Described trigger signal, trigger signal timestamp, numbered data, and numbered data timestamp.

Preferably, the radio frequency electromagnetic wave transceiver is composed of a radio frequency modulation and demodulation and filtering amplifier circuit, an antenna, a control module based on an MCU microcontroller, and a power supply; wherein, the control module based on an MCU microcontroller and radio frequency modulation and demodulation and filtering The amplifying circuit is adapted and connected, and the radio frequency modulation and demodulation and filtering amplifying circuit are connected with the antenna; the trigger signal input end of the radio frequency electromagnetic wave transceiver is the I/O port of the MCU microcontroller of the control module; the radio frequency electromagnetic wave transceiver is connected with the The communication connection of the data acquisition management machine is through the UART port of the MCU microcontroller of the control module and the data acquisition management machine; the power supply provides corresponding power support for the electromagnetic wave transceiver module and the control module based on the MCU microcontroller.

Preferably, the sheep ear tag type electromagnetic wave transponder (6) is a radio frequency identification passive electronic tag conforming to the ISO/IEC 15693 standard, or a type A or Type B or Type C standard conforming to ISO/IEC 18000-6 RFID passive electronic tags.

Preferably, the working frequency of the radio frequency electromagnetic wave transceiver is 13.56MHz or 915MHz.

The beneficial effects of the present invention are: through the brick licking Internet of things data acquisition device for raising sheep in pens provided by the present invention, it is realized that in the sheep raising in pens, the process of licking and licking bricks for each sheep is realized. Automatic data collection improves the accuracy of data collection and meets the needs of refined production in large-scale pen breeding.

Description of drawings

Figure 1 is a schematic diagram of the structure of a licking brick IoT data acquisition device for raising sheep in a pen (the licking brick is placed on the horizontal bracket of the bracket).

Figure 2 is a schematic diagram of the composition of a licking brick IoT data acquisition device for raising sheep in pens (the licking brick is hung on the boom of the bracket).

Fig. 3 is a schematic diagram of the composition of the radio frequency electromagnetic wave transceiver and the signal connection with the photoelectric switch, the data acquisition management machine and the sheep ear tag transponder.

Fig. 4 is a schematic diagram showing that the reflected electromagnetic wave is isolated by the electromagnetic wave intercepting metal cover when the ear tag type transponder of a sheep that is not licking bricks is misactivated, so as to ensure the accuracy of the collected data.

In the figure: 1. bracket, 2. brick licking, 3. a group of photoelectric switches, 4. radio frequency electromagnetic wave transceiver. 5. Electromagnetic wave intercepting metal cover, 6. Sheep ear tag type transponder, 7. Data collection and management machine, 41. Radio frequency modulation and demodulation and filter amplification circuit, 42. Antenna, 43. Control module based on MCU microcontroller, 44. Power supply, 431. The trigger signal input end of the radio frequency electromagnetic wave transceiver.

detailed description

The present invention will be further described below in conjunction with drawings and embodiments.

As shown in Figures 1 and 2, the present invention consists of a bracket 1, a brick lick 2, a group of photoelectric switches 3, a radio frequency electromagnetic wave transceiver 4, an electromagnetic wave intercepting metal cover 5, a sheep ear tag transponder 6, and a data collection and management machine 7 composition. Among them, the support 1 is composed of a base, a column installed on the base, a brick-licking horizontal bracket installed on the lower part of the column, or a brick-licking suspender installed on the upper part of the column. The support 1 is firmly placed in the sheepfold in the house. It is firmly placed on the horizontal bracket of the support 1 or hung on the boom, and the licking brick 2 is located at a height that is convenient for the sheep to lower their heads to lick. A sheep ear tag type transponder 6 is installed on the ear of each sheep. The sheep ear tag type electromagnetic wave transponder 6 is a radio frequency identification passive electronic tag conforming to the ISO/IEC 15693 standard, or a radio frequency identification passive electronic tag conforming to the ISO/IEC18000-6 Type A, Type B or Type C standard.

As shown in Figure 1 or Figure 2, a group of photoelectric switches 3 are installed on the column of the support 1 through the bracket, and are located above the licking brick 2. At least one photoelectric switch is triggered. As shown in FIG. 3 , the output terminals of a group of photoelectric switches 3 are respectively connected to the trigger signal input terminals 431 of the radio frequency electromagnetic wave transceiver 4 . Electromagnetic wave intercepts metal cover 5 is the umbrella shape that opens, and is fixedly installed on the column top of support 1, and electromagnetic wave intercepts metal cover 5 installation positions above a group of photoelectric switches 3, and the lower edge is lower than the ear position when the sheep normally stands. The radio frequency electromagnetic wave transceiver 4 is installed on the inside of the electromagnetic wave intercepting metal cover 5 near the top. After the radio frequency electromagnetic wave transceiver 4 receives the trigger signal sent by any photoelectric switch in a group of photoelectric switches 3, it sends out modulated radio frequency electromagnetic waves intermittently according to the set cycle, and the radio frequency electromagnetic wave is limited below it by the electromagnetic wave intercepting metal cover 5, so that The sheep ear tag type transponder 6 whose head is located under the electromagnetic wave intercepting metal cover 5 and is licking bricks 2 can obtain energy under the radiation of radio frequency electromagnetic waves emitted by the radio frequency electromagnetic wave transceiver 4, and modulate its own number with load reflection The radio frequency electromagnetic wave transceiver 4 receives the electromagnetic wave emitted by the sheep ear tag transponder 6, demodulates and decodes it to obtain the serial number data of the sheep ear tag transponder 6. When no sheep licked and licked bricks, a group of photoelectric switches 3 all reset, and a reset signal was sent to inform the radio frequency electromagnetic wave transceiver 4 to stop emitting electromagnetic waves. At this moment, the radio frequency electromagnetic wave transceiver 4 stopped emitting electromagnetic waves. Because the radio frequency electromagnetic wave transceiver 4 is installed in the electromagnetic wave intercepting metal cover 5, the electromagnetic waves sent by the radio frequency electromagnetic wave transceiver 4 are limited below the electromagnetic wave intercepting metal cover 5, and only the sheep ear tag transponder 6 that licks the brick sheep is blocked. Activated by radio frequency electromagnetic waves. As shown in Figure 4, even if an electromagnetic wave enters the sheep bed area so that the sheep ear tag transponder 6 that is not licking the brick is activated by mistake, the reflected electromagnetic wave is isolated by the electromagnetic wave intercepting metal cover 5, and will not be blocked by the radio frequency electromagnetic wave. Received by the transceiver 4, thereby ensuring the accuracy of the collected data. As shown in Fig. 1 and Fig. 3, the radio frequency electromagnetic wave transceiver 4 is connected with the data acquisition management machine 7 in communication; it is used to transmit the setting of the radio frequency electromagnetic wave that the data acquisition management machine 7 issues to the radio frequency electromagnetic wave transceiver 4 for periodic intermittent emission Period; for transmitting the trigger signal sent by any photoelectric switch in a group of photoelectric switches 3 received by the radio frequency electromagnetic wave transceiver 4; for the radio frequency electromagnetic wave transceiver 4 to send the serial number data of the sheep ear tag type transponder 6 received To the data collection management machine 7, the data collection management machine 7 records the trigger signal, serial number data and its time stamp.

In the data acquisition management machine 7, the trigger signal time stamp of the first triggered photoelectric switch 3, the reset signal time stamp of the last reset photoelectric switch 3, and the number data time stamp of the sheep ear tag type transponder 6 are The local clock time when the data acquisition management machine 7 receives and records these data, the recording time of all data uses the clock time of the data acquisition management machine 7 to ensure the time consistency of all data sequences. In the data acquisition management machine 7, a sequence of data pairs is recorded: (trigger signal, trigger time stamp), (ear tag type transponder number data, number data time stamp), (reset signal, reset time stamp). During the period from the first trigger time stamp to the last reset time stamp, there are sheep in the pen licking the licking brick, and from the last reset time stamp to the first trigger time stamp of the next round. For a period of time, there were no sheep in the pen to lick the bricks. Further, after the trigger signal of the first triggered photoelectric switch 3 occurs, the radio frequency electromagnetic wave transceiver 4 intermittently emits radio frequency electromagnetic waves and receives licking bricks in each cycle according to the set period issued by the data acquisition management machine 7. The sheep's ear tag type transponder 6 numbers the data and sends it to the data collection management machine 7. Before the last reset photoelectric switch 3 reset signal occurs, the data collection management machine 7 records the licks in each set cycle. The data pair of licking brick sheep: (ear tag type transponder number data, number data time stamp), each ear tag type transponder number data represents a sheep, so that the first number data of the same transponder number The time stamp to the last numbered data time stamp is the start and end time of the numbered sheep licking the brick.

As shown in Fig. 1 and Fig. 3, radio frequency electromagnetic wave transceiver 4 is made of radio frequency modulation and demodulation and filter amplifying circuit 41, antenna 42, control module 43, power supply 44 based on MCU microcontroller; Wherein, based on MCU microcontroller The control module 43 is adapted to connect with the radio frequency modulation and demodulation and filter amplification circuit 41, and the radio frequency modulation and demodulation and filter amplification circuit 41 is connected with the antenna 42; the trigger signal input end 431 of the radio frequency electromagnetic wave transceiver 4 is the MCU of the control module 43 The I/O port of micro-controller; The communication connection of described radio frequency electromagnetic wave transceiver 4 and data acquisition management machine 7 is the communication connection of the UART port and data acquisition management machine 7 by the MCU microcontroller of control module 43; Power supply 44 Corresponding power support is provided for the electromagnetic wave transceiver module 41 and the control module 43 based on the MCU microcontroller. The working frequency of the radio frequency electromagnetic wave transceiver 4 is 13.56MHz or 915MHz. When the working frequency of the radio frequency electromagnetic wave transceiver 4 is 13.56 MHz, the sheep ear tag type electromagnetic wave transponder 6 is a radio frequency identification passive electronic tag conforming to the ISO/IEC 15693 standard. When the working frequency of the radio frequency electromagnetic wave transceiver 4 is 915MHz, the sheep ear tag type electromagnetic wave transponder 6 is a radio frequency identification passive electronic tag conforming to the ISO/IEC 18000-6 Type A, Type B or Type C standard.

In this embodiment, the photoelectric switch adopts conventional products, such as the HG-GLS18-1 series diffuse reflection photoelectric switch produced by Wenzhou Dongtou Huagan Electric Co., Ltd., or the KJT-FS62 series diffuse reflection photoelectric switch produced by Nanjing Kaijite Electric Co., Ltd. Reflective photoelectric switch, or E18-D80NK diffuse reflection infrared photoelectric switch produced by Yueqing Liushi Mingteng Electric Appliance Factory, etc. If the voltage of the trigger signal of the photoelectric switch is different from the voltage of the I/O port of the conventional MCU microcontroller, it needs to be connected through an adaptation circuit. When the working frequency of the radio frequency electromagnetic wave transceiver is 13.56MHz, and the sheep ear tag electromagnetic wave transponder is a radio frequency identification passive electronic tag conforming to the ISO/IEC15693 standard, a conventional product is used. Such as the JTrfid-LF/HF series 13.56MHz ear tag electronic label products produced by Guangzhou Jianjiang Intelligent Technology Co., Ltd., or the 13.56MHz integrated NXP I-CODE SLI/TI/S50/F1108 chip produced by Shenzhen Yunqiao Smart Card Technology Co., Ltd. Ear tag electronic label products, etc. The MCU microcontroller of the radio frequency electromagnetic wave transceiver based on the control module of the MCU microcontroller adopts a conventional microcontroller chip and its peripheral circuits, such as the STM32F103R6T6 produced by STMicroelectronics (ST) Group or other types of MCU chips and its Peripheral circuits. The radio frequency modulation and demodulation and filter amplifier circuits use conventional radio frequency chips, such as the TRF796x series radio frequency chip products and their peripheral circuits produced by Texas Instruments (TI), which are connected to the SPI port of the MCU microcontroller; the other end is connected to the power amplifier circuit, such as The MRF 426RF power chip and its peripheral circuits produced by MA-COM (M/A-COM TECHNOLOGY SOLUTIONS, INC.) are used. When the working frequency of the radio frequency electromagnetic wave transceiver is 915MHz, the sheep ear tag electromagnetic wave transponder is a radio frequency identification passive electronic tag that complies with the ISO/IEC 18000-6 Type A or Type B or Type C standard, using conventional products, such as The AOSID-0838 electronic label product of Shenzhen Aostar Company. The MCU microcontroller of the control module of the radio frequency electromagnetic wave transceiver adopts a conventional microcontroller chip and its peripheral circuits, such as STM32F103R6T6 produced by STMicroelectronics (ST) Group or other types of MCU chips and its peripheral circuits. The radio frequency modulation and demodulation and filter amplification circuit adopts a conventional radio frequency chip, such as the CC1101 radio frequency chip product produced by Texas Instruments (TI) and its peripheral circuits, which are connected to the SPI port of the MCU microcontroller; the other end is connected to the power amplifier circuit, such as using The SPA-2118Z RF power amplifier chip and its peripheral circuits produced by RFMD Micro Devices. The data acquisition management machine adopts a conventional computer, such as a Lenovo PC. The set period of the intermittently emitted radio frequency electromagnetic waves issued by the data acquisition management machine to the radio frequency electromagnetic wave transceiver is 30-60 seconds, and the continuous emission time of radio frequency electromagnetic waves is 1/5-1/3 of the set period.

Claims (4)

1. The utility model provides a brick thing networking data acquisition device that licks of sheep is raised in colony house which characterized in that: the data acquisition device consists of a bracket (1), a licking brick (2), a group of photoelectric switches (3), a radio frequency electromagnetic wave transceiver (4), an electromagnetic wave interception metal cover (5), a sheep ear tag type responder (6) and a data acquisition management machine (7); wherein,

the support (1) is composed of a base, a vertical column installed on the base, a licking brick horizontal bracket installed at the lower part of the vertical column or a licking brick suspension rod installed at the upper part of the vertical column, the support (1) is stably arranged in a sheepfold in a shed, the licking brick (2) is stably arranged on the horizontal bracket of the support (1) or hung on the suspension rod, and the licking brick (2) is positioned at a height convenient for the sheep to lick with the lower head; a sheep ear tag type responder (6) is arranged on the ear of each sheep;

the group of photoelectric switches (3) are arranged on an upright post of the bracket (1) through a bracket and are positioned above the licking brick (2), when the head of a sheep approaches to the licking brick (2) to lick, at least one photoelectric switch in the group of photoelectric switches (3) is triggered, and the output ends of the group of photoelectric switches (3) are respectively connected with a trigger signal input end (431) of the radio frequency electromagnetic wave transceiver (4);

the electromagnetic wave intercepting metal cover (5) is in an open umbrella shape and is fixedly arranged at the top of the upright post of the bracket (1), the electromagnetic wave intercepting metal cover (5) is arranged above the group of photoelectric switches (3), and the lower edge of the electromagnetic wave intercepting metal cover is lower than the position of the ear when the sheep normally stands;

the radio frequency electromagnetic wave transceiver (4) is arranged in the electromagnetic wave interception metal cover (5) and is close to the top; after receiving a trigger signal sent by any one of a group of photoelectric switches (3), a radio frequency electromagnetic wave transceiver (4) intermittently sends out modulated radio frequency electromagnetic waves according to a set period, the radio frequency electromagnetic waves are limited below the radio frequency electromagnetic wave transceiver by an electromagnetic wave interception metal cover (5), and a sheep ear tag type transponder (6) with the head positioned below the electromagnetic wave interception metal cover (5) and licking the licking brick (2) can obtain energy under the radiation of the radio frequency electromagnetic waves sent by the radio frequency electromagnetic wave transceiver (4) and send out the own serial number in a load reflection modulation mode; the radio frequency electromagnetic wave transceiver (4) receives electromagnetic waves transmitted by the sheep ear tag type responder (6), demodulates and decodes the electromagnetic waves to obtain the serial number data of the sheep ear tag type responder (6);

the radio frequency electromagnetic wave transceiver (4) is in communication connection with the data acquisition management machine (7); a set period of the radio frequency electromagnetic waves which are transmitted periodically and intermittently and transmitted to the radio frequency electromagnetic wave transceiver (4) by the transmission data acquisition manager (7); the device is used for transmitting a trigger signal which is received by the radio frequency electromagnetic wave transceiver (4) and sent by any one photoelectric switch in the group of photoelectric switches (3); the radio frequency electromagnetic wave transceiver (4) is used for sending the received serial number data of the sheep ear tag type transponder (6) to the data acquisition management machine (7), and the data acquisition management machine (7) records the trigger signal, the trigger signal timestamp, the serial number data and the serial number data timestamp.

2. The lick brick internet of things data acquisition device for the captive sheep, according to claim 1, is characterized in that: the radio frequency electromagnetic wave transceiver (4) consists of a radio frequency modulation and demodulation and filtering amplification circuit (41), an antenna (42), a control module (43) based on an MCU (microprogrammed control unit) and a power supply (44); the control module (43) based on the MCU is adaptively connected with the radio frequency modulation-demodulation and filtering amplification circuit (41), and the radio frequency modulation-demodulation and filtering amplification circuit (41) is connected with the antenna (42); the trigger signal input end (431) of the radio frequency electromagnetic wave transceiver (4) is an I/O port of an MCU microcontroller of the control module (43); the communication connection between the radio frequency electromagnetic wave transceiver (4) and the data acquisition management machine (7) is the communication connection between a UART port of an MCU microcontroller of a control module (43) and the data acquisition management machine (7); the power supply (44) provides corresponding power supply support for the electromagnetic wave transceiving module (41) and the control module (43) based on the MCU microcontroller.

3. The lick brick internet of things data acquisition device for the captive sheep, according to claim 1, is characterized in that: the sheep ear tag Type electromagnetic wave transponder (6) is a radio frequency identification passive electronic tag meeting the ISO/IEC15693 standard, or a radio frequency identification passive electronic tag meeting the ISO/IEC18000-6 Type A or Type B or Type C standard.

4. The lick brick internet of things data acquisition device for the captive sheep, according to claim 1, is characterized in that: the working frequency of the radio frequency electromagnetic wave transceiver (4) is 13.56MHz or 915 MHz.