CN210244112U

CN210244112U - Crops warehouse guardianship equipment based on loRa

Info

Publication number: CN210244112U
Application number: CN201920727846.3U
Authority: CN
Inventors: Tiewei Fu; 傅铁威; Jiahui Xu; 徐嘉慧; Jing Zhang; 张晶; Huanke Zheng; 郑焕科; Miao Wei; 魏淼
Original assignee: Yunnan Xiaorun Technology Service Co ltd; Kunming University of Science and Technology
Current assignee: Yunnan Xiaorun Technology Service Co ltd; Kunming University of Science and Technology
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-03
Anticipated expiration: 2029-05-21

Abstract

The utility model relates to a crops warehouse guardianship equipment based on loRa belongs to equipment technical field for the crops storage. The utility model comprises a top shell of the device, a clapboard, a shell of the device, a pulley, an alternating current hole and a pulley connecting column; equipment top shell is located equipment shell upper end and is the transparence, the pulley passes through the pulley and links the post and install in equipment shell bottom, the baffle is installed between equipment top shell and equipment shell, it is located the drain pan of baffle and equipment shell respectively to exchange the hole, the controller has been placed to the baffle top, the integration has OLED display module on the controller, the sensor module, loRa communication module, STM32 single chip microcomputer module, OLED display module, the sensor module, loRa communication module, battery module all is connected with STM32 single chip microcomputer module, the sensor module includes smoke transducer and temperature and humidity sensor. The utility model discloses real-time supervision crops storage environment, the problem that the crops storage is difficult to the guardianship has been solved in the prevention conflagration, and this guardianship equipment has the energy-concerving and environment-protective of characteristics of ultralow consumption.

Description

Crops warehouse guardianship equipment based on loRa

Technical Field

The utility model relates to a crops warehouse guardianship equipment based on loRa belongs to equipment technical field for the crops storage.

Background

When the storage conditions are not met, the crops may go moldy, germinate, deteriorate, even generate toxicity and the like, and even release some harmful gases and substances. According to different properties of crops, a proper storage environment is determined so as to avoid or slow down the deterioration of the crops in a normal storage period. The existing crop warehouse has many defects, cannot monitor crop storage environment in real time, lacks an effective low-power-consumption communication mode, and often causes unnecessary loss in the crop storage process. At the same time, workers often spend a great deal of time checking the status of crops. Therefore, the utility model provides a crops warehouse guardianship equipment solves prior art problem based on loRa.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the utility model provides a crops warehouse guardianship equipment based on loRa, the putting in crops storage place optional position that this equipment can be nimble, a plurality of these equipment can be placed according to actual conditions in macro-warehouse, can not only guardianship crops, prevention conflagration dangerous situation in real time.

The utility model adopts the technical proposal that: a crop warehouse monitoring device based on LoRa comprises a device top shell 2-1, a partition plate 2-4, a device shell 2-5, pulleys 2-8, alternating current holes 2-10 and pulley connecting columns 2-13;

the device top shell 2-1 is located at the upper end of the device shell 2-5 and is transparent, the pulleys 2-8 are mounted at the bottom end of the device shell 2-5 through pulley connecting columns 2-13, the partition plate 2-4 is mounted between the device top shell 2-1 and the device shell 2-5, the alternating current holes 2-10 are respectively located on the partition plate 2-4 and the bottom shell of the device shell 2-5, the controller 2-9 is placed above the partition plate 2-4, the battery module 1-5 is placed on the bottom shell of the device shell 2-5, the OLED display module 1-1, the sensor module 1-3, the LoRa communication module 1-4, the STM32 single chip microcomputer module 1-6, the OLED display module 1-1, the sensor module 1-3, the LoRa communication module 1-4, the alternating current hole 2-10 and the controller 2-9 are integrated with, The battery modules 1-5 are all connected with the STM32 single chip microcomputer modules 1-6, and the sensor modules 1-3 comprise smoke sensors and temperature and humidity sensors.

Specifically, the battery module 1-5 comprises a storage battery 2-12, a controller female port 2-2 is arranged on the controller 2-9, a storage battery male head I2-7 and a storage battery male head II 2-11 are connected to the storage battery 2-12, the controller female port 2-2 is connected with the storage battery male head II 2-11, a wire outlet 2-6 is arranged on the side wall of the equipment shell 2-5, and the storage battery male head II 2-11 is connected with an external power supply after being connected with the wire outlet 2-6 of the storage battery male head I2-7.

Preferably, the top case 2-1 of the device is conical, and the housing 2-5 of the device is cylindrical.

Specifically, the STM32 single chip microcomputer module 1-6 comprises an STM32L151C8T6 single chip microcomputer chip U6, a resistor R17, a resistor R18, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a tact switch S1, a crystal oscillator Y1 and a crystal oscillator Y2; the circuit connection mode is as follows: pin No. 1, pin No. 24 and pin No. 44 of an STM32 singlechip chip U6 are connected with a 3.3V power supply anode, pin No. 12 and pin No. 23 of an STM32 singlechip chip U6 are grounded, one end of a capacitor C14 is simultaneously connected with pin No. 3 of an STM32 singlechip chip U6 and a crystal oscillator Y6, the other end of the capacitor C6 is connected with pin No. 4 of the STM 6 singlechip chip U6 and the other end of the crystal oscillator Y6, one end of the capacitor C6 is connected with one end of the crystal oscillator Y6 and one end of a resistor R6, the other end of the capacitor C6 is connected with pin No. 5 of the STM32L151C8T6 singlechip chip U6, one end of the capacitor C6 is connected with the other end of the crystal oscillator Y6 and the other end of the resistor R6, the other end of the capacitor C6 is simultaneously connected with pin No. 6 of the STM32L151C8T6, one end of the capacitor C6 is connected with a light contact switch S6, one end of the resistor R6 is connected with one end of the power supply anode 6, one end of the resistor R6 and one end of the light, The other end of the tact switch S1 and the other end of the capacitor C18 are simultaneously connected with the No. 7 pin of the STM32L151C8T6 singlechip chip U6.

Specifically, the OLED display module 1-1 includes an SSD1306OLED display 2-3, an SSD1306 display driving chip U1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, and a 1N4148 diode D1; the circuit connection mode is as follows: the SSD1306OLED display screen 2-3 is connected with an SSD1306 display screen driving chip U1, a pin No. 1 of the U1SSD1306 display screen driving chip U1 is connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with a pin No. 2 of the SSD1306 display screen driving chip U1, a pin No. 3 of the SSD1306 display screen driving chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with a pin No. 4 of the SSD1306 display screen driving chip U1, and a pin No. 5 and a pin No. 8 of the SSD1306 display screen driving chip U1 are simultaneously connected with the positive electrode of a 3V3 power supply; the anode of the 3V3 power supply is connected with one end of the capacitor C3 and one end of the capacitor C4 at the same time; the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, a pin No. 9 of the SSD1306 display screen driving chip U1 is connected with one end of a resistor R1, and the other end of the resistor R1 is simultaneously connected with the anode of a 3V3 power supply and the cathode of a 1N4148 diode D1; the positive terminal of the diode D1 of 1N4148 is connected to the No. 9 pin of the SSD1306 display screen driving chip U1 and one terminal of the capacitor C5 at the same time, and the other terminal of the capacitor C5 is grounded. The pin No. 10 of the SSD1306 display screen driving chip U1 is simultaneously connected with one end of a resistor R2, the pin No. 25 of an STM32L151C8T6 single chip microcomputer chip U6, the other end of the resistor R2 is connected with the anode of a 3V3 power supply, the pin No. 11 of the SSD1306 display screen driving chip U1 is simultaneously connected with one end of a resistor R3, the pin No. 26 of the STM32L151C8T6 single chip microcomputer chip U6, the other end of the resistor R3 is connected with the anode of a 3V3 power supply, the pin No. 12 of the SSD1306 display screen driving chip U1 is connected with one end of a resistor R4, the other end of the resistor R4 is grounded, the pin No. 13 of the SSD1306 display screen driving chip U1 is connected with one end of a capacitor C6, the other end of the capacitor C6 is grounded, the pin No. 14 of the SSD1306 display screen driving chip U1 is simultaneously connected with one end of a capacitor C7, one end of a.

Specifically, the temperature and humidity sensor in the sensor module 1-3 adopts a DHT11 temperature and humidity sensor, which includes a DHT11 chip U4, a capacitor C12, and a resistor R13; the circuit connection mode is as follows: one end of the resistor R13 is connected with VCC, the other end of the resistor R13 is connected with pin No. 2 of the DHT11 chip U4, pin No. 2 of the DHT11 chip U4 is connected with pin No. 33 of the STM32L151C8T6 singlechip chip U6, one end of the capacitor C12 is connected with pin No. 1 of the DHT11 chip U4, and the other end of the capacitor C12 is grounded. Pin No. 2 of the DHT11 chip U4 is connected with pin No. 33 of the STM32L151C8T6 single chip U6.

Specifically, the smoke sensor in the sensor modules 1 to 3 adopts an MQ-2 smoke sensor, and comprises an LM393 comparator U5, a capacitor C13, a resistor R14, a resistor R15, a resistor R16, a potentiometer RP2 and a light emitting diode LED; the circuit connection mode is as follows: the No. 1 pin, the No. 2 pin and the No. 3 pin of the QM-N10MQ-2 smoke sensor are simultaneously connected with the positive electrode of a power supply, the No. 5 pin of the QM-N10MQ-2 smoke sensor is connected with one end of a resistor R14, the other end of the resistor R14 is grounded, the No. 4 pin and the No. 6 pin of the QM-N10MQ-2 smoke sensor and one end of a resistor R15 are simultaneously connected with the No. 2 pin of an LM393 comparator U5 and the No. 27 pin of an STM32L151C8T6 singlechip chip U6, the LM comparator U5 is connected with a potentiometer RP2, one end of the potentiometer RP2 is connected with the positive electrode of the power supply, the other end of the potentiometer is grounded, the No. 4 pin of the LM comparator U5 is grounded, the No. 1 pin of the LM comparator U5, one end of a capacitor C13 and the negative electrode of the light emitting diode LED are simultaneously connected with the No. 28 pin of the singlechip U393 of the STM 151C8T 8 chip U6866, the positive electrode of the light emitting diode LED is connected with the positive electrode 36393 of, the other terminal of the capacitor C13 is connected to ground.

Specifically, the LoRa communication module circuit comprises an SX1208 chip U7, wherein a No. 3 pin of the SX1208 chip U7 is connected with the anode of a 3.3V power supply; pin No. 2, pin No. 9 and pin No. 16 of the SX1208 chip U7 are grounded; the No. 1 pin of the SX1208 chip U7 is connected with an antenna E1; no. 4 pin of the SX1208 chip U7 is connected with No. 18 pin of the STM32L151C8T6 single chip U6; no. 5 pin of the SX1208 chip U7 is connected with No. 11 pin of the STM32L151C8T6 single chip U6; the No. 12 pin of the SX1208 chip U7 is connected with the No. 15 pin of the STM32L151C8T6 single-chip U6; the No. 13 pin of the SX1208 chip U7 is connected with the No. 16 pin of the STM32L151C8T6 singlechip chip U6; pin number 15 of the SX1208 chip U7 is connected to pin number 14 of the STM32L151C8T6 monolithic chip U6.

Specifically, the controller 2-9 is further integrated with an alarm module 1-2 connected with an STM32 single chip microcomputer module 1-6, and the alarm module 1-2 comprises an IC 1555 chip U2, an IC2KD-482 chip U3, a capacitor C9, a capacitor C10, a capacitor C11, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a potentiometer RP1, a diode D1, a zener diode DW1, a triode Q1, a Q2, a Q3, a buzzer B, MOS tube VT 13 DJ6, an infrared sensing probe M and a relay K; the circuit connection mode is as follows: the infrared sensing probe M is connected with a G end of a MOS tube VT 13 DJ6, an S end of the MOS tube VT 13 DJ6 is connected with a pin No. 2 of an IC 1555 chip U2, a D end of the MOS tube VT 13 DJ6 is connected with one end of a resistor R5, the other end of the resistor R5 is connected with a pin No. 4 of an IC 1555 chip U2, one end of a resistor R6 is connected with a pin No. 2 of an IC 1555 chip U2, the other end of the resistor R6 is connected with one end of a potentiometer RP1, the other end of the potentiometer RP1 is connected with a pin No. 1 of the IC 1555 chip U2, one end of a capacitor C9 and a capacitor C10 are simultaneously connected with a pin No. 1 of an IC 1555 chip U2, the other end of the capacitor C9 is connected with a pin No. 6 of the IC 5 chip U9, the other end of the capacitor C9 is connected with a pin No. 5 of the IC 1555 chip U36482, the other end of the resistor R9 is connected with a pin No. 7 of the IC 1555 chip U15572, the other end of the resistor R15572 and the other end of the IC 1555 chip U9, the other end of the resistor R9 is connected with the base of a triode Q1, the collector of the triode Q1 is connected with the pin No. 8 of the chip U2 of the IC 1555, the radiation pole of the triode Q1 is simultaneously connected with the cathode of a diode D1 and a relay K, the cathode of the diode D1, the anode of a relay K and a DW1 are simultaneously connected with the pin No. 6 of the chip U3 of the IC2KD-482, the cathode of a DW1 of the Zener diode is connected with the pin No. 7 of the chip U3 of the IC2KD-482, one end of the resistor R10 is connected with the pin No. 2 of the chip U3 of the IC2KD-482, the other end of the resistor R11 is simultaneously connected with the pin No. 3 of the chip U3 of the IC2KD-482, the other end of the capacitor C3 is connected with the pin No. 4 of the chip U3 of the IC 3 KD-482, the base of the triode Q3 is connected with the pin No. 5 of the IC 36, the other end of the buzzer B is connected with a No. 8 pin of the U2 chip of the IC 1555. An emitter of the triode Q3 is connected with a pin No. 6 of an IC2KD-482 chip U3, a collector of the triode Q3 is grounded, a base of the triode Q3 is simultaneously connected with a 3V3 power supply with one ends of a resistor R11 and a resistor R12, the other end of the resistor R11 is connected with a buzzer B, and the other end of the resistor R12 is connected with a pin No. 30 of an STM32L151C8T6 singlechip chip U6.

The utility model has the advantages that: the device mainly realizes the omnibearing monitoring of crops by a safe and convenient storage mode and a low power consumption wide LoRa communication mode, and simultaneously avoids unnecessary loss of the crops in the storage process of a warehouse. The problems that in crop storage, storage environment information cannot be mastered in real time, communication modes are lost and the like are solved. Monitoring data can upload to the high in the clouds server through the loRa communication technology of low-power consumption wide area network, and the administrator terminal equipment is given in time to the propelling movement when smog concentration appears unusually to carry out the early warning and report to the police, has realized the remote monitoring function, has effectively prevented the warehouse conflagration.

Drawings

Fig. 1 is a block diagram of the connection structure of the circuit module of the present invention;

fig. 2 is a schematic overall appearance of the present invention;

fig. 3 is a circuit diagram of an OLED display module according to the present invention;

FIG. 4 is a circuit diagram of the infrared sensor of the alarm module of the present invention;

fig. 5 is a circuit connection diagram of the temperature and humidity sensor module of the present invention;

fig. 6 is a circuit connection diagram of the MQ-2 smoke sensor module of the present invention;

FIG. 7 is a circuit diagram illustrating the STM32 single chip microcomputer module of the present invention;

fig. 8 is a circuit connection diagram of the LoRa communication module of the present invention;

the reference numbers in the figures: the device comprises a 1-1-OLED display module, a 1-2-alarm module, a 1-3-sensor module, a 1-4-LoRa communication module, a 1-5-battery module, a 1-6-STM32 single chip microcomputer module, a 2-1-equipment top shell, a 2-2-controller female port, a 2-3-OLED display screen, a 2-4-partition plate, a 2-5-equipment shell, a 2-6-outlet port, a 2-7-storage battery male head I, a 2-8-pulley, a 2-9-controller, a 2-10-alternating current hole, a 2-11-storage battery male head II, a 2-12-storage battery and a 2-13-pulley connecting column.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, it being understood that the embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.

Example 1: as shown in fig. 1-8, a crop warehouse monitoring device based on LoRa comprises a device top shell 2-1, a partition plate 2-4, a device shell 2-5, pulleys 2-8, an alternating current hole 2-10 and pulley connecting columns 2-13;

The equipment top shell 2-1 and the equipment outer shell 2-5 are used for protecting the internal structure of the equipment and preventing the normal operation of the equipment from being influenced by dust deposition. The separators 2-4 serve to separate the controllers 2-9 and the battery modules 1-5 from each other, preventing them from colliding with each other while also making better use of the internal space of the apparatus. The alternating current holes 2-10 enable the spaces inside the equipment, the spaces inside the equipment and the spaces outside the equipment to be communicated and air to circulate, and the phenomenon that the smoke sensor only collects environmental data inside the equipment so as to be invalid can be effectively avoided. The pulleys 2-8 facilitate the movement of the equipment, and in the embodiment, one equipment comprises two pulleys 2-8 and two pulley connecting columns 2-13, so that the equipment can be easily placed at any position of a crop storage warehouse. The sensor module 1-3 is used for collecting environmental information, the OLED display module 1-1 is used for displaying the collected information, and the LoRa communication module 1-4 is transmitted to a cloud end through a base station and then transmitted to a monitoring terminal for transmitting the collected information and carrying out early warning.

Specifically, the battery module 1-5 comprises a storage battery 2-12, a controller female port 2-2 is arranged on the controller 2-9, a storage battery male head I2-7 and a storage battery male head II 2-11 are connected to the storage battery 2-12, the controller female port 2-2 is connected with the storage battery male head II 2-11, a wire outlet 2-6 is arranged on the side wall of the equipment shell 2-5, and the storage battery male head II 2-11 is connected with an external power supply after being connected with the wire outlet 2-6 of the storage battery male head I2-7. The controller female port 2-2 is used for establishing contact with a battery module, in the embodiment, the controller female port is connected with a storage battery male head II 2-11, the storage battery male head I2-7 is used for supplying power to the whole circuit, and the storage battery 2-12 is used for supplying power to the equipment temporarily under the condition that the nonresistant and external electrical connection cannot be established, so that the normal operation of the equipment under the special environment is ensured. The outlet 2-6 is used for connecting the male head 12-7 of the storage battery with an external power supply smoothly.

Furthermore, the top case 2-1 of the device is conical, the OLED display screen 2-3 is attractive and easy to observe, and the device case 2-5 is cylindrical.

Further, as shown in fig. 7, the STM32 single chip microcomputer modules 1-6 include an STM32L151C8T6 single chip microcomputer chip U6, a resistor R17, a resistor R18, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a tact switch S1, a crystal oscillator Y1, and a crystal oscillator Y2; the circuit connection mode is as follows: pin No. 1, pin No. 24 and pin No. 44 of an STM32 singlechip chip U6 are connected with a 3.3V power supply anode, pin No. 12 and pin No. 23 of an STM32 singlechip chip U6 are grounded, one end of a capacitor C14 is simultaneously connected with pin No. 3 of an STM32 singlechip chip U6 and a crystal oscillator Y6, the other end of the capacitor C6 is connected with pin No. 4 of the STM 6 singlechip chip U6 and the other end of the crystal oscillator Y6, one end of the capacitor C6 is connected with one end of the crystal oscillator Y6 and one end of a resistor R6, the other end of the capacitor C6 is connected with pin No. 5 of the STM32L151C8T6 singlechip chip U6, one end of the capacitor C6 is connected with the other end of the crystal oscillator Y6 and the other end of the resistor R6, the other end of the capacitor C6 is simultaneously connected with pin No. 6 of the STM32L151C8T6, one end of the capacitor C6 is connected with a light contact switch S6, one end of the resistor R6 is connected with one end of the power supply anode 6, one end of the resistor R6 and one end of the light, The other end of the tact switch S1 and the other end of the capacitor C18 are simultaneously connected with the No. 7 pin of the STM32L151C8T6 singlechip chip U6.

STM32 single chip microcomputer module 1-6 adopts the STM32F103 series single chip microcomputer of Cortex-M3 framework of ARM company, and the consumption is lower, and the low price, 72MHz dominant frequency can be fine accomplishes the work task of main control chip, also can guarantee fine real-time.

Further, as shown in fig. 3, the OLED display module 1-1 includes an SSD1306OLED display 2-3, an SSD1306 display driving chip U1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a resistor R1, a resistor R2, a resistor R3, a resistor R4, and a 1N4148 diode D1; the circuit connection mode is as follows: the SSD1306OLED display screen 2-3 is connected with an SSD1306 display screen driving chip U1, a pin No. 1 of the U1SSD1306 display screen driving chip U1 is connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with a pin No. 2 of the SSD1306 display screen driving chip U1, a pin No. 3 of the SSD1306 display screen driving chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with a pin No. 4 of the SSD1306 display screen driving chip U1, and a pin No. 5 and a pin No. 8 of the SSD1306 display screen driving chip U1 are simultaneously connected with the positive electrode of a 3V3 power supply; the anode of the 3V3 power supply is connected with one end of the capacitor C3 and one end of the capacitor C4 at the same time; the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, a pin No. 9 of the SSD1306 display screen driving chip U1 is connected with one end of a resistor R1, and the other end of the resistor R1 is simultaneously connected with the anode of a 3V3 power supply and the cathode of a 1N4148 diode D1; the positive terminal of the diode D1 of 1N4148 is connected to the No. 9 pin of the SSD1306 display screen driving chip U1 and one terminal of the capacitor C5 at the same time, and the other terminal of the capacitor C5 is grounded. The pin No. 10 of the SSD1306 display screen driving chip U1 is simultaneously connected with one end of a resistor R2, the pin No. 25 of an STM32L151C8T6 single chip microcomputer chip U6, the other end of the resistor R2 is connected with the anode of a 3V3 power supply, the pin No. 11 of the SSD1306 display screen driving chip U1 is simultaneously connected with one end of a resistor R3, the pin No. 26 of the STM32L151C8T6 single chip microcomputer chip U6, the other end of the resistor R3 is connected with the anode of a 3V3 power supply, the pin No. 12 of the SSD1306 display screen driving chip U1 is connected with one end of a resistor R4, the other end of the resistor R4 is grounded, the pin No. 13 of the SSD1306 display screen driving chip U1 is connected with one end of a capacitor C6, the other end of the capacitor C6 is grounded, the pin No. 14 of the SSD1306 display screen driving chip U1 is simultaneously connected with one end of a capacitor C7, one end of a.

The OLED display module 1-1 adopts an SSD1306OLED display screen which is embedded with a contrast controller and can display RAM and a crystal oscillator, so that external devices and power consumption are reduced.

Further, as shown in fig. 5, the temperature and humidity sensor in the sensor module 1-3 adopts a DHT11 temperature and humidity sensor, which includes a DHT11 chip U4, a capacitor C12, and a resistor R13; the circuit connection mode is as follows: one end of the resistor R13 is connected with VCC, the other end of the resistor R13 is connected with pin No. 2 of the DHT11 chip U4, pin No. 2 of the DHT11 chip U4 is connected with pin No. 33 of the STM32L151C8T6 singlechip chip U6, one end of the capacitor C12 is connected with pin No. 1 of the DHT11 chip U4, and the other end of the capacitor C12 is grounded. Pin No. 2 of the DHT11 chip U4 is connected with pin No. 33 of the STM32L151C8T6 single chip U6.

Further, as shown in fig. 6, the smoke sensor in the sensor module 1-3 adopts an MQ-2 smoke sensor, which includes an LM393 comparator U5, a capacitor C13, a resistor R14, a resistor R15, a resistor R16, a potentiometer RP2, and a light emitting diode LED; the circuit connection mode is as follows: the No. 1 pin, the No. 2 pin and the No. 3 pin of the QM-N10MQ-2 smoke sensor are simultaneously connected with the positive electrode of a power supply, the No. 5 pin of the QM-N10MQ-2 smoke sensor is connected with one end of a resistor R14, the other end of the resistor R14 is grounded, the No. 4 pin and the No. 6 pin of the QM-N10MQ-2 smoke sensor and one end of a resistor R15 are simultaneously connected with the No. 2 pin of an LM393 comparator U5 and the No. 27 pin of an STM32L151C8T6 singlechip chip U6, the LM comparator U5 is connected with a potentiometer RP2, one end of the potentiometer RP2 is connected with the positive electrode of the power supply, the other end of the potentiometer is grounded, the No. 4 pin of the LM comparator U5 is grounded, the No. 1 pin of the LM comparator U5, one end of a capacitor C13 and the negative electrode of the light emitting diode LED are simultaneously connected with the No. 28 pin of the singlechip U393 of the STM 151C8T 8 chip U6866, the positive electrode of the light emitting diode LED is connected with the positive electrode 36393 of, the other terminal of the capacitor C13 is connected to ground.

Further, as shown in fig. 8, the LoRa communication module circuit includes an SX1208 chip U7, pin No. 3 of SX1208 chip U7 is connected to the positive pole of the 3.3V power supply; pin No. 2, pin No. 9 and pin No. 16 of the SX1208 chip U7 are grounded; the No. 1 pin of the SX1208 chip U7 is connected with an antenna E1; no. 4 pin of the SX1208 chip U7 is connected with No. 18 pin of the STM32L151C8T6 single chip U6; no. 5 pin of the SX1208 chip U7 is connected with No. 11 pin of the STM32L151C8T6 single chip U6; the No. 12 pin of the SX1208 chip U7 is connected with the No. 15 pin of the STM32L151C8T6 single-chip U6; the No. 13 pin of the SX1208 chip U7 is connected with the No. 16 pin of the STM32L151C8T6 singlechip chip U6; pin number 15 of the SX1208 chip U7 is connected to pin number 14 of the STM32L151C8T6 monolithic chip U6.

The LoRa communication modules 1-4 use SX1208 chips, have extremely excellent low-power-consumption characteristics, and are very suitable for building a low-power-consumption wide area network.

Further, as shown in fig. 4, an alarm module 1-2 connected with an STM32 single chip microcomputer module 1-6 is further integrated on the controller 2-9, and the alarm module 1-2 includes an IC 1555 chip U2, an IC2KD-482 chip U3, a capacitor C9, a capacitor C10, a capacitor C11, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a potentiometer RP1, a diode D1, a zener diode DW1, a triode Q1, a Q2, a Q3, a buzzer B, MOS tube VT 13 DJ6, an infrared sensing probe M, and a relay K; the circuit connection mode is as follows: the infrared sensing probe M is connected with a G end of a MOS tube VT 13 DJ6, an S end of the MOS tube VT 13 DJ6 is connected with a pin No. 2 of an IC 1555 chip U2, a D end of the MOS tube VT 13 DJ6 is connected with one end of a resistor R5, the other end of the resistor R5 is connected with a pin No. 4 of an IC 1555 chip U2, one end of a resistor R6 is connected with a pin No. 2 of an IC 1555 chip U2, the other end of the resistor R6 is connected with one end of a potentiometer RP1, the other end of the potentiometer RP1 is connected with a pin No. 1 of the IC 1555 chip U2, one end of a capacitor C9 and a capacitor C10 are simultaneously connected with a pin No. 1 of an IC 1555 chip U2, the other end of the capacitor C9 is connected with a pin No. 6 of the IC 5 chip U9, the other end of the capacitor C9 is connected with a pin No. 5 of the IC 1555 chip U36482, the other end of the resistor R9 is connected with a pin No. 7 of the IC 1555 chip U15572, the other end of the resistor R15572 and the other end of the IC 1555 chip U9, the other end of the resistor R9 is connected with the base of a triode Q1, the collector of the triode Q1 is connected with the pin No. 8 of the chip U2 of the IC 1555, the radiation pole of the triode Q1 is simultaneously connected with the cathode of a diode D1 and a relay K, the cathode of the diode D1, the anode of a relay K and a DW1 are simultaneously connected with the pin No. 6 of the chip U3 of the IC2KD-482, the cathode of a DW1 of the Zener diode is connected with the pin No. 7 of the chip U3 of the IC2KD-482, one end of the resistor R10 is connected with the pin No. 2 of the chip U3 of the IC2KD-482, the other end of the resistor R11 is simultaneously connected with the pin No. 3 of the chip U3 of the IC2KD-482, the other end of the capacitor C3 is connected with the pin No. 4 of the chip U3 of the IC 3 KD-3, the base of the triode Q3 is connected with the pin No. 5 of the IC, the other end of the buzzer B is connected with a No. 8 pin of the U2 chip of the IC 1555. An emitter of the triode Q3 is connected with a pin No. 6 of an IC2KD-482 chip U3, a collector of the triode Q3 is grounded, a base of the triode Q3 is simultaneously connected with a 3V3 power supply with one ends of a resistor R11 and a resistor R12, the other end of the resistor R11 is connected with a buzzer B, and the other end of the resistor R12 is connected with a pin No. 30 of an STM32L151C8T6 singlechip chip U6.

The alarm module 1-2 detects whether a stranger approaches the equipment through the infrared sensing probe M, and starts a buzzer to warn when the stranger approaches the equipment, so that the equipment is prevented from being lost and the warehouse is prevented from being stolen.

The utility model discloses a theory of operation is:

the STM32 single-chip microcomputer modules 1-6 are connected with the sensor modules 1-3, alternating current holes 2-10 are formed in the partition plates 2-4 and the equipment shells 2-5, so that the DHT11 sensor can collect warehouse storage environment information in real time, the MQ-2 smoke sensor can collect the information of the whole crop warehouse environment without barriers, and the sensor modules 1-3 monitor the temperature, the humidity and the smoke concentration of the crop storage environment in real time to prevent fire. The current environmental temperature, the current environmental humidity and the current smoke concentration of the crop storage warehouse are displayed on the OLED display screen 2-3 in real time; the STM32 single-chip microcomputer module 1-6 is connected with the alarm module 1-2 and is used for starting the buzzer to warn when someone approaches the equipment, so that when a plurality of pieces of equipment are placed in a large-scale crop storage warehouse at the same time, the fire accident can be effectively warned, and meanwhile, the task of monitoring the safety of crops can be completed; STM32 single chip microcomputer mode 1-6 is connected with loRa communication module 1-4, and communication module 1-4 transmits the information to the high in the clouds retransmission to monitor terminal through the base station.

The device can effectively monitor the information of the storage environment and reduce unnecessary loss in the crop storage process. The phenomena of crop germination, mildew, deterioration and the like are easily caused by improper storage environment of crops, the temperature and the humidity of the storage environment are important storage environment measuring standards, and the temperature and the humidity of the storage environment are effectively monitored by the device with the DHT11 temperature and humidity sensor. On the other hand, fire accidents are easy to happen in the crop storage process, as most of crops belong to the flammable range, the fire behavior is not easy to control, and great economic loss is often caused, and the device comprises the MQ-2 smoke sensor to effectively prevent the fire. When the MQ-2 smoke sensor detects smoke, the voltage value of the No. 2 pin of the LM393 comparator U5 is in direct proportion to the concentration of the gas detected by the MQ-2 smoke sensor, when the concentration value exceeds the threshold value set by the potentiometer RP1, the point of the No. 2 pin of the LM393 comparator U5 is higher than the point of the No. 3 pin of the LM393 comparator U5, at this time, the No. 1 pin of the LM393 comparator U5 outputs low level, the LED lamp is on, the R8 is an LED lamp current-limiting resistor, and the C10 is a filter capacitor. The MQ-2 smoke sensor outputs a low level, whereas when there is no signal, the MQ-2 smoke sensor outputs a high level equal to the supply voltage. In addition, this equipment uses loRa communication module to communicate, and the scope is wide, the low power dissipation, power is high, also can come analysis crops warehouse storage environment index change's law and reason according to data when having richened communication mode, carries out effectual analysis and summary, reaches control storage humiture as far as possible and floats at best numerical value, keeps away from or stops the factor that produces the conflagration.

The equipment strives to be controlled in a more convenient, concise and low-power-consumption mode, and when the received smoke concentration numerical value is abnormal, the LoRa communication modules 1-4 are adopted to remotely prompt the staff to check the smoke source in time, so that the fire catching phenomenon is effectively avoided. The storage batteries 2-12 can temporarily supply power to the equipment when the equipment is disconnected from the external power supply, so that the problem caused by the stop of the equipment is avoided.

To sum up, the utility model discloses durable, real-time supervision, control are simple, the consumption is low lastingly. The device provides a feasible scheme for the safety and intelligent monitoring of crop storage, is a better application of the bottom information acquisition equipment of the physical information fusion system in the crop storage industry, and has certain development prospect and market demand.

While the present invention has been particularly shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a crops warehouse guardianship equipment based on loRa which characterized in that: comprises an equipment top shell (2-1), a clapboard (2-4), an equipment shell (2-5), a pulley (2-8), an alternating current hole (2-10) and a pulley connecting column (2-13);

the device top shell (2-1) is located at the upper end of the device shell (2-5) and is transparent, the pulleys (2-8) are installed at the bottom end of the device shell (2-5) through pulley connecting columns (2-13), the partition plate (2-4) is installed between the device top shell (2-1) and the device shell (2-5), the alternating current holes (2-10) are respectively located on the partition plate (2-4) and the bottom shell of the device shell (2-5), the controller (2-9) is placed above the partition plate (2-4), the battery module (1-5) is placed on the bottom shell of the device shell (2-5), and the OLED display module (1-1), the sensor module (1-3), the LoRa communication module (1-4) and the controller (2-9) are integrated, STM32 single chip module (1-6), OLED display module (1-1), sensor module (1-3), loRa communication module (1-4), battery module (1-5) all are connected with STM32 single chip module (1-6), and sensor module (1-3) include smoke transducer and temperature and humidity sensor.

2. The LoRa-based crop warehouse monitoring device of claim 1, wherein: the battery module (1-5) comprises a storage battery (2-12), a controller female port (2-2) is formed in the controller (2-9), a storage battery male head I (2-7) and a storage battery male head II (2-11) are connected to the storage battery (2-12), the controller female port (2-2) is connected with the storage battery male head II (2-11), a wire outlet (2-6) is formed in the side wall of the equipment shell (2-5), and the storage battery male head II (2-11) is connected with an external power source after being connected with the storage battery male head I (2-7) wire outlet (2-6).

3. The LoRa-based crop warehouse monitoring device of claim 1, wherein: the top shell (2-1) of the equipment is conical, and the shell (2-5) of the equipment is cylindrical.

4. The LoRa-based crop warehouse monitoring device of claim 1, wherein: the STM32 single-chip microcomputer module (1-6) comprises an STM32L151C8T6 single-chip microcomputer chip U6, a resistor R17, a resistor R18, a capacitor C14, a capacitor C15, a capacitor C16, a capacitor C17, a capacitor C18, a tact switch S1, a crystal oscillator Y1 and a crystal oscillator Y2; the circuit connection mode is as follows: pin No. 1, pin No. 24 and pin No. 44 of an STM32 singlechip chip U6 are connected with a 3.3V power supply anode, pin No. 12 and pin No. 23 of an STM32 singlechip chip U6 are grounded, one end of a capacitor C14 is simultaneously connected with pin No. 3 of an STM32 singlechip chip U6 and a crystal oscillator Y6, the other end of the capacitor C6 is connected with pin No. 4 of the STM 6 singlechip chip U6 and the other end of the crystal oscillator Y6, one end of the capacitor C6 is connected with one end of the crystal oscillator Y6 and one end of a resistor R6, the other end of the capacitor C6 is connected with pin No. 5 of the STM32L151C8T6 singlechip chip U6, one end of the capacitor C6 is connected with the other end of the crystal oscillator Y6 and the other end of the resistor R6, the other end of the capacitor C6 is simultaneously connected with pin No. 6 of the STM32L151C8T6, one end of the capacitor C6 is connected with a light contact switch S6, one end of the resistor R6 is connected with one end of the power supply anode 6, one end of the resistor R6 and one end of the light, The other end of the tact switch S1 and the other end of the capacitor C18 are simultaneously connected with the No. 7 pin of the STM32L151C8T6 singlechip chip U6.

5. The LoRa-based crop warehouse monitoring device of claim 4, wherein: the OLED display module (1-1) comprises an SSD1306OLED display screen (2-3), an SSD1306 display screen driving chip U1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a 1N4148 diode D1; the circuit connection mode is as follows: the SSD1306OLED display screen (2-3) is connected with an SSD1306 display screen driving chip U1, a pin No. 1 of the U1SSD1306 display screen driving chip U1 is connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with a pin No. 2 of the SSD1306 display screen driving chip U1, a pin No. 3 of the SSD1306 display screen driving chip U1 is connected with one end of a capacitor C2, the other end of the capacitor C2 is connected with a pin No. 4 of the SSD1306 display screen driving chip U1, and a pin No. 5 and a pin No. 8 of the SSD1306 display screen driving chip U1 are simultaneously connected with the positive electrode of a 3V3 power supply; the anode of the 3V3 power supply is connected with one end of the capacitor C3 and one end of the capacitor C4 at the same time; the other end of the capacitor C3 is grounded, the other end of the capacitor C4 is grounded, a pin No. 9 of the SSD1306 display screen driving chip U1 is connected with one end of a resistor R1, and the other end of the resistor R1 is simultaneously connected with the anode of a 3V3 power supply and the cathode of a 1N4148 diode D1; the positive terminal of the 1N4148 diode D1 is connected with the pin No. 9 of the SSD1306 display screen driving chip U1 and one end of the capacitor C5 at the same time, the other end of the capacitor C5 is grounded, the pin No. 10 of the SSD1306 display screen driving chip U1 is connected with one end of the resistor R2 and the pin No. 25 of the STM32L151C8T6 single chip microcomputer chip U6 at the same time, the other end of the resistor R2 is connected with the positive electrode of the 3V3 power supply, the pin No. 11 of the SSD1306 display screen driving chip U1 is connected with one end of the resistor R3 at the same time, the 26-numbered pin of the STM32L151C8T6 single chip microcomputer chip U6, the other end of the resistor R3 is connected with the anode of a 3V3 power supply, the 12-numbered pin of the SSD1306 display screen driving chip U1 is connected with one end of the resistor R4, the other end of the resistor R4 is grounded, the 13-numbered pin of the SSD1306 display screen driving chip U1 is connected with one end of the capacitor C6, the other end of the capacitor C6 is grounded, the 14-numbered pin of the SSD1306 display screen driving chip U1 is simultaneously connected with one end of the capacitor C7 and one end of the capacitor C8, and the other end of the capacitor C7 and the other end of the capacitor C8 are simultaneously grounded.

6. The LoRa-based crop warehouse monitoring device of claim 4, wherein: the temperature and humidity sensor in the sensor module (1-3) adopts a DHT11 temperature and humidity sensor, and comprises a DHT11 chip U4, a capacitor C12 and a resistor R13; the circuit connection mode is as follows: one end of a resistor R13 is connected with VCC, the other end of the resistor R13 is connected with pin No. 2 of a DHT11 chip U4, pin No. 2 of a DHT11 chip U4 is connected with pin No. 33 of an STM32L151C8T6 singlechip chip U6, one end of a capacitor C12 is connected with pin No. 1 of a DHT11 chip U4, the other end of the capacitor C12 is grounded, and pin No. 2 of the DHT11 chip U4 is connected with pin No. 33 of an STM32L151C8T6 singlechip chip U6.

7. The LoRa-based crop warehouse monitoring device of claim 4, wherein: the smoke sensor in the sensor module (1-3) adopts an MQ-2 smoke sensor, and comprises an LM393 comparator U5, a capacitor C13, a resistor R14, a resistor R15, a resistor R16, a potentiometer RP2 and a light emitting diode LED; the circuit connection mode is as follows: the No. 1 pin, the No. 2 pin and the No. 3 pin of the QM-N10MQ-2 smoke sensor are simultaneously connected with the positive electrode of a power supply, the No. 5 pin of the QM-N10MQ-2 smoke sensor is connected with one end of a resistor R14, the other end of the resistor R14 is grounded, the No. 4 pin and the No. 6 pin of the QM-N10MQ-2 smoke sensor and one end of a resistor R15 are simultaneously connected with the No. 27 pin of an No. 2 pin STM32L151C8T6 singlechip U6 of an LM393 comparator U5, the LM393 comparator U5 is connected with a potentiometer RP2, one end of the potentiometer RP2 is connected with the positive electrode of the power supply, the other end of the LM393 comparator U5 is grounded, the No. 1 pin of the LM393 comparator U5, one end of a capacitor C13 and the negative electrode of the light emitting diode LED are simultaneously connected with the No. 28 pin of the singlechip U393 of the STM32L151C8T 8 chip U6, the positive electrode of the light emitting diode R16 and the resistor, the other terminal of the capacitor C13 is connected to ground.

8. The LoRa-based crop warehouse monitoring device of claim 4, wherein: the LoRa communication module circuit comprises an SX1208 chip U7, wherein a No. 3 pin of the SX1208 chip U7 is connected with the anode of a 3.3V power supply; pin No. 2, pin No. 9 and pin No. 16 of the SX1208 chip U7 are grounded; the No. 1 pin of the SX1208 chip U7 is connected with an antenna E1; no. 4 pin of the SX1208 chip U7 is connected with No. 18 pin of the STM32L151C8T6 single chip U6; no. 5 pin of the SX1208 chip U7 is connected with No. 11 pin of the STM32L151C8T6 single chip U6; the No. 12 pin of the SX1208 chip U7 is connected with the No. 15 pin of the STM32L151C8T6 single-chip U6; the No. 13 pin of the SX1208 chip U7 is connected with the No. 16 pin of the STM32L151C8T6 singlechip chip U6; pin number 15 of the SX1208 chip U7 is connected to pin number 14 of the STM32L151C8T6 monolithic chip U6.

9. The LoRa-based crop warehouse monitoring device of claim 4, wherein: the controller (2-9) is further integrated with an alarm module (1-2) connected with an STM32 single-chip microcomputer module (1-6), and the alarm module (1-2) comprises an IC 1555 chip U2, an IC2KD-482 chip U3, a capacitor C9, a capacitor C10, a capacitor C11, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a potentiometer RP1, a diode D1, a zener diode DW1, a triode Q1, a Q2, a Q3, a buzzer B, MOS tube VT 13 DJ6, an infrared sensing probe M and a relay K; the circuit connection mode is as follows: the infrared sensing probe M is connected with a G end of a MOS tube VT 13 DJ6, an S end of the MOS tube VT 13 DJ6 is connected with a pin No. 2 of an IC 1555 chip U2, a D end of the MOS tube VT 13 DJ6 is connected with one end of a resistor R5, the other end of the resistor R5 is connected with a pin No. 4 of an IC 1555 chip U2, one end of a resistor R6 is connected with a pin No. 2 of an IC 1555 chip U2, the other end of the resistor R6 is connected with one end of a potentiometer RP1, the other end of the potentiometer RP1 is connected with a pin No. 1 of the IC 1555 chip U2, one end of a capacitor C9 and a capacitor C10 are simultaneously connected with a pin No. 1 of an IC 1555 chip U2, the other end of the capacitor C9 is connected with a pin No. 6 of the IC 5 chip U9, the other end of the capacitor C9 is connected with a pin No. 5 of the IC 1555 chip U36482, the other end of the resistor R9 is connected with a pin No. 7 of the IC 1555 chip U15572, the other end of the resistor R15572 and the other end of the IC 1555 chip U9, the other end of the resistor R9 is connected with the base of a triode Q1, the collector of the triode Q1 is connected with the pin No. 8 of the chip U2 of the IC 1555, the radiation pole of the triode Q1 is simultaneously connected with the cathode of a diode D1 and a relay K, the cathode of the diode D1, the anode of a relay K and a DW1 are simultaneously connected with the pin No. 6 of the chip U3 of the IC2KD-482, the cathode of a DW1 of the Zener diode is connected with the pin No. 7 of the chip U3 of the IC2KD-482, one end of the resistor R10 is connected with the pin No. 2 of the chip U3 of the IC2KD-482, the other end of the resistor R11 is simultaneously connected with the pin No. 3 of the chip U3 of the IC2KD-482, the other end of the capacitor C3 is connected with the pin No. 4 of the chip U3 of the IC2 3-482, the base of the triode Q3 is connected with the pin No. 5 of the chip U36, the other end of the buzzer B is connected with a pin No. 8 of an IC 1555 chip U2, an emitter of a triode Q3 is connected with a pin No. 6 of an IC2KD-482 chip U3, a collector of the triode Q3 is grounded, a base of the triode Q3 is simultaneously connected with a power supply of 3V3 and one ends of a resistor R11 and a resistor R12, the other end of the resistor R11 is connected with the buzzer B, and the other end of the resistor R12 is connected with a pin No. 30 of an STM32L151C8T6 singlechip chip U6.