Aerial wake-up type dairy cow rumen fluid pH detection system

Abstract

The utility model relates to the field of livestock breeding, in particular to an air awakening type dairy cow rumen fluid pH detection system which comprises a rumen pH and temperature detection unit and a management system unit. The rumen pH and temperature detection unit comprises a data conversion module, a signal buffering and amplifying circuit, a main control module, a storage module and a power supply module; the management system unit comprises an Internet of Things gateway and an Internet of Things platform, and the gateway comprises a 4G module, a gateway main control circuit, a wireless communication chip, a wireless transmission circuit and a voltage stabilization module. The device can be arranged in the rumen of the dairy cow, and the detection unit performs pH and temperature data acquisition and storage at regular time and then performs deep dormancy. The detection unit is awakened in the air by the Internet of Things gateway, data is transmitted to the gateway through wireless communication, the gateway encapsulates the data and sends the data to the cloud platform, the health condition of the cow is judged according to the received body temperature and pH information, and effective monitoring of the physiological indexes of the rumen of the cow is achieved.

Description

Technical Field

[0001] The utility model relates to the field of animal husbandry, in particular to an air awakening type dairy cow rumen fluid pH detection system. Background Art

[0002] Animal husbandry is a pillar industry of agriculture and occupies a pivotal position in the agricultural economy. Among them, the proportion of large-scale dairy cow farming is increasing every year, reaching 74% in 2023. In large-scale dairy cow farming, rumen pH and temperature are key indicators of the health of dairy cows. Studies have shown that in developed countries with breeding industries, dairy farms have a high incidence of rumen acidosis. In a survey on dairy cow acidosis in five regions of Australia, the incidence of dairy cow acidosis was 10%; among 244 dairy cows in 22 farms in the UK, 26.2% of the cows had a rumen pH below 5.5. The cost and expense of treating rumen acidosis are very expensive, and it is also easy to cause great harm to the cow's body.

[0003] The current method of measuring the pH of the rumen of dairy cows relies on manual labor, which is not only time-consuming and labor-intensive, but also easy to cause harm to dairy cows and infect them with other diseases. In recent years, the Internet of Things technology has been widely used in measuring the rumen of dairy cows, but the real-time monitoring technology for the pH of the rumen of dairy cows is still in the development stage, and there are the following problems: the working life of built-in monitoring equipment is limited; the rumen environment and contents are complex, and the failure rate of data transmission based on wireless communication is high. Utility Model Content

[0004] To achieve the above-mentioned purpose, the utility model proposes an air-awakening dairy cow rumen fluid pH monitoring system, comprising a rumen pH and temperature detection unit and a management system unit, wherein the rumen pH and temperature detection unit comprises a data conversion module, a signal buffer and amplification circuit, a main control module, a storage module, and a power module; the management system unit comprises an Internet of Things platform and an Internet of Things gateway, wherein the gateway comprises a 4G module, a gateway main control circuit, a wireless communication chip, and a voltage stabilization module, wherein,

[0005] The power supply is connected to the voltage regulator module, the voltage regulator module is connected to the main control circuit, the gateway main control circuit is further connected to the 4G module and the LoRa wireless communication module, the 4G module is connected to the Internet of Things cloud platform, and the wireless communication module is connected to the rumen pH and temperature detection unit through LoRa wireless communication.

[0006] The rumen pH detection and temperature detection module is used to detect the pH and temperature information of the cow, and the management system module is used to encapsulate the obtained information and send the information to the cloud for monitoring.

[0007] As a further improvement of the technical solution, the data conversion module includes an AD7792 analog-to-digital converter, capacitors C106, C107, C108, and C109; the CS of the AD7792 is connected to PA3 of the main control module, the DIN of the AD7792 is connected to PB15 of the main control module, the DOUT of the AD7792 is connected to PB14 of the main control module, and the VCC and GND of the AD7792 are connected to the power supply 3.3V and the ground line, wherein the DVDD and the 3.3V power supply are both grounded and filtered through filter capacitors C106, C107, C108, and C109.

[0008] As a further improvement of the technical solution, the signal buffering and amplifying circuit includes an AD8603 voltage follower, a PT1000 temperature sensor, a pH composite electrode, resistors R10, R101, R103, R104, R105, and capacitors C103, C104, and C105; wherein, one end of the PT1000 is connected in series with resistor R10 to ground, and the other end is connected to resistor R103 in parallel with capacitor C103 to ground; one end of the pH composite electrode is connected in series with resistor R10 to ground, and the other end is connected to resistor R101, R101 is connected to the positive input of the AD8603, the negative input of AD8603 is connected to the output, the output is connected to resistor R104, R104 is connected in parallel with capacitor C104 to ground; resistor R10 is connected to R105, and R105 is connected in parallel with capacitor C105 to ground.

[0009] As a further improvement of the technical solution, the main control module is a ZSL420 chip, a voltage stabilizing circuit and a clock reset circuit.

[0010] As a further improvement of the present technical solution, the storage module includes an AT24C512 data storage chip, the A0, A1, A2, and GND pins of the AT24C512 are grounded and connected in parallel with a capacitor, the other end of the capacitor is connected to 3.3V, the WP of the AT24C512 is grounded, the SCL of the AT24C512 is connected to PA11 of the main control module, the SDL of the AT24C512 is connected to PA12 of the main control module, and the GND and VCC of the AT24C512 are connected to the ground wire and the 3.3V power supply respectively.

[0011] As a further improvement of the technical solution, the power module adopts a TPS78233DDCR-3.3V voltage regulator chip and a 2200mAh lithium battery; the positive electrode of the 2200mAh lithium battery is connected to the IN pin of the TPS78233DDCR-3.3V voltage regulator chip, and the negative electrode of the 2200mAh lithium battery is connected to the ground wire.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In this air-wake-up type dairy cow rumen pH monitoring system, the detection unit collects and stores pH and temperature data regularly and then goes into deep sleep. The detection unit is awakened in the air by the IoT gateway, and the data is wirelessly uploaded to the gateway, which then uploads it back to the cloud to achieve long-term monitoring. The air-wake-up and deep sleep functions help extend the working life of the detection unit. The air-wake-up wireless communication mode ensures reliable data transmission and provides a technical means for large-scale farms to monitor the rumen pH of dairy cows for a long time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structural diagram of the utility model;

[0015] Figure 2 This is the signal buffering and amplifying circuit diagram of the utility model;

[0016] Figure 3 This is the circuit diagram of the data conversion module of the utility model;

[0017] Figure 4 A circuit diagram of a data storage module of the utility model;

[0018] Figure 5 This is the control module circuit diagram of the utility model;

[0019] Figure 6 This is a structural diagram of the management module of the utility model;

[0020] Figure 7 This is a logic block diagram of the utility model. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Example

[0022] like Figure 1 As shown, this example provides an air-wake-up type dairy cow rumen fluid pH monitoring system, including a rumen pH and temperature detection unit and a management system unit. Before being placed in the rumen, the control module is used to connect the main control module and the gateway wireless communication module to the network, so that the detection unit and the management system unit can communicate wirelessly. After being placed in the rumen, the detection unit regularly collects the rumen pH and temperature information of the dairy cow. After the collection is completed, the data is stored and put into deep sleep, and the detection unit is awakened in the air by the Internet of Things gateway. At the same time, the main control module integrated with wireless radio frequency communication reads the stored information and sends it to the gateway wireless chip through wireless communication. The gateway wireless chip transmits the obtained information to the gateway main control module via the serial port, and the gateway main control module transmits it to the 4G module, and the 4G module transmits it to the cloud to realize information monitoring.

[0023] Furthermore, the rumen pH and temperature detection unit includes a data conversion module, a signal buffer and amplification circuit, a main control module, a storage module, and a power module.

[0024] Further, if Figure 2 As shown, the signal buffering and amplifying circuit includes an AD8603 voltage follower, a PT1000 temperature sensor, a pH composite electrode, resistors R10, R101, R103, R104, R105, and capacitors C103, C104, and C105; wherein, one end of the PT1000 is connected in series with resistor R10 to ground, and the other end is connected to resistor R103 in parallel with capacitor C103 to ground; one end of the pH composite electrode is connected in series with resistor R10 to ground, and the other end is connected to resistor R101, R101 is connected to the positive input of the AD8603, the negative input of AD8603 is connected to the output, the output is connected to resistor R104, R104 is connected in parallel with capacitor C104 to ground; resistor R10 is connected to R105, and R105 is connected in parallel with capacitor C105 to ground.

[0025] Further, if Figure 3 As shown, the data conversion module includes an AD7792 analog-to-digital converter, capacitors C106, C107, C108, and C109; the CS of the AD7792 is connected to the PA3 of the main control module, the DIN of the AD7792 is connected to the PB15 of the main control module, the DOUT of the AD7792 is connected to the PB14 of the main control module, the VCC and GND of the AD7792 are connected to the power supply 3.3V and the ground line, wherein the DVDD and the 3.3V power supply are grounded and filtered through filter capacitors C106, C107, C108, and C109.

[0026] Furthermore, the main control module includes a ZSL420 microprocessor with integrated LoRa wireless communication, a voltage stabilization circuit, and a clock reset circuit.

[0027] Further, if Figure 4 As shown, the control module is a CC6203 low-power Hall switch key, the CC6203OUT is connected to the PA10 pin of the main control module, and the CC6203VCC and GND are connected to the 3.3V power supply and ground.

[0028] Further, if Figure 5As shown, the storage module includes an AT24C512 data storage chip, the A0, A1, A2, and GND pins of the AT24C512 are grounded and connected in parallel with a capacitor, the other end of the capacitor is connected to 3.3V, the WP of the AT24C512 is grounded, the SCL of the AT24C512 is connected to the PA11 of the main control module, the SDL of the AT24C512 is connected to the PA12 of the main control module, and the GND and VCC of the AT24C512 are connected to the ground wire and the 3.3V power supply respectively.

[0029] Furthermore, the wireless communication method is LoRa transmission.

[0030] Further, if Figure 6 As shown, the management system unit includes an Internet of Things gateway and an Internet of Things platform. The gateway includes a YED-C724 chip, an STM32L476RGT6 microcontroller, a ZSL420 wireless communication chip, and a voltage stabilizing module.

[0031] The IoT platform is connected to the YED-C7244G chip, the YED-C724G chip is connected to the wireless transmission circuit, the wireless transmission circuit is connected to the STM32L476RGT6 processor, and the STM32L476RGT6 is further connected to the ZSL420 wireless communication chip and the voltage regulator module. The voltage regulator module is connected to the power supply.

[0032] When working, before being put into the rumen, the CC6203 low-power module is used to connect the ZSL420 processor of the main control module and the gateway ZSL420 wireless module to the network, and the two chips communicate in the same network channel. After being put into the rumen, AD7792 collects pH and temperature information regularly, and transmits the data back to the main control module using the SPI protocol. The main control module communicates with the AT24C512 storage chip using the I2C protocol to store the data, and then goes into deep sleep. The gateway uses LoRa wireless transmission to wake up the detection unit in the air. Furthermore, the LoRa wireless communication ZSL420 main control module integrated on the detection unit reads the data and transmits it to the gateway. The gateway's ZSL420 wireless communication chip receives the data information of the detection unit and uses the usart protocol to send the information to the STM32L476RGT6 gateway main control module for processing. The STM32L476RGT6 transmits the information to the YED-C7244G chip through the serial port, and then the YED-C7244G chip transmits it to the cloud through the 4G network using the MQTT protocol to achieve real-time information monitoring.

Claims

1. An air awakening type dairy cow rumen fluid pH detection system, characterized by: It includes a rumen pH and temperature detection unit and a management system unit; the rumen pH and temperature detection unit includes a data conversion module, a signal buffer and amplification circuit, a main control module, a storage module, and a power module; the management system unit includes an Internet of Things gateway and an Internet of Things platform, and the gateway includes a 4G module, a gateway main control circuit, a wireless communication module, and a voltage stabilization module; wherein, The power supply is connected to the voltage regulator module, the voltage regulator module is connected to the gateway main control circuit, the gateway main control circuit is further connected to the 4G module and the LoRa wireless communication module, the 4G module is connected to the Internet of Things cloud platform, and the wireless communication module is connected to the rumen pH and temperature detection unit through LoRa wireless communication; The rumen pH detection and temperature detection module is used to detect the pH and temperature information of the cow, and the Internet of Things gateway is used to organize the pH and temperature information of the cow and send the information to the cloud for monitoring.

2. The air awakening type dairy cow rumen fluid pH detection system according to claim 1 is characterized by: The data conversion module includes an AD7792 analog-to-digital converter, capacitors C106, C107, C108, and C109; the CS of the AD7792 is connected to PA3 of the main control module, the DIN of the AD7792 is connected to PB15 of the main control module, the DOUT of the AD7792 is connected to PB14 of the main control module, the VCC and GND of the AD7792 are connected to a power supply 3.3V and a ground line, wherein DVDD and a 3.3V power supply are both grounded and filtered through filter capacitors C106, C107, C108, and C109.

3. The air awakening type dairy cow rumen fluid pH detection system according to claim 1 is characterized in that: The signal buffering and amplifying circuit comprises an AD8603 voltage follower, a PT1000 temperature sensor, a pH composite electrode, resistors R10, R101, R103, R104, R105, and capacitors C103, C104, and C105; wherein, one end of the PT1000 is connected in series with resistor R10 to ground, and the other end is connected to resistor R103 in parallel with capacitor C103 to ground; one end of the pH composite electrode is connected in series with resistor R10 to ground, and the other end is connected to resistor R101, R101 is connected to the positive input of the AD8603, the negative input of AD8603 is connected to the output, the output is connected to resistor R104, R104 is connected in parallel with capacitor C104 to ground; resistor R10 is connected to R105, R105 is connected in parallel with capacitor C105 to ground.

4. The air awakening type dairy cow rumen fluid pH detection system according to claim 1 is characterized by: The main control module includes a ZSL420 chip, a voltage stabilizing circuit and a clock reset circuit.

5. The air awakening type dairy cow rumen fluid pH detection system according to claim 1 is characterized in that: The storage module includes an AT24C512 data storage chip; the A0, A1, A2, and GND pins of the AT24C512 are grounded and connected in parallel with a capacitor, the other end of the capacitor is connected to 3.3V, the WP of the AT24C512 is grounded, the SCL of the AT24C512 is connected to the PA11 of the main control module, the SDL of the AT24C512 is connected to the PA12 of the main control module, and the GND and VCC of the AT24C512 are connected to the ground wire and the 3.3V power supply respectively.

6. The air awakening type dairy cow rumen fluid pH detection system according to claim 1 is characterized in that: The power module adopts TPS78233DDCR-3.3V voltage regulator chip and 2200mAh lithium battery; the positive electrode of the 2200mAh lithium battery is connected to the IN pin of the TPS78233DDCR-3.3V voltage regulator chip, and the negative electrode of the 2200mAh lithium battery is connected to the ground wire.

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