CN212181635U - Cigar tobacco fermentation humiture monitoring system based on LORA communication technology - Google Patents
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- CN212181635U CN212181635U CN202021194798.5U CN202021194798U CN212181635U CN 212181635 U CN212181635 U CN 212181635U CN 202021194798 U CN202021194798 U CN 202021194798U CN 212181635 U CN212181635 U CN 212181635U
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Abstract
The utility model provides a cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology, which comprises a plurality of data acquisition units and a data management unit; the data acquisition units respectively comprise temperature and humidity sensors and are used for acquiring temperature and humidity data inside the tobacco stacking piles; the plurality of data acquisition units and the data management unit are respectively provided with an LORA wireless communication module in each unit, so that the temperature and humidity data acquired by each data acquisition unit are transmitted to the data management unit, the data management unit further comprises a second communication module which is in communication connection with an external monitoring terminal, and the temperature and humidity data are transmitted to the external monitoring terminal. The utility model discloses a LORA wireless technology realizes the wireless network deployment between a plurality of data acquisition unit and the data management unit, forms star type topological network, has improved data transmission stability, and entire system deploys simply, easily maintains, the reliability is high.
Description
Technical Field
The utility model belongs to the technical field of cigar tobacco production, concretely relates to cigar tobacco fermentation humiture monitored control system based on LORA communication technology.
Background
Cigars are tobacco products made from dried and fermented tobacco which are smoked on one end and then smoked hoots on the other end to produce smoke. The cigar tobacco leaves are generally in the form of original tobacco with stems or tobacco leaves with two thirds of main stems removed, and the water content is generally 14-16%. Therefore, before cigar making, the moisture of tobacco leaves needs to be increased to about 20%, and centralized stacking fermentation is carried out, and during the fermentation process, the temperature and humidity change in the stacking center needs to be closely concerned, and corresponding modulation measures are taken.
The traditional temperature and humidity observation of cigar tobacco fermentation is temperature and humidity monitoring in the cigar tobacco fermentation process, and two schemes are adopted at present. One is to place a digital display electronic temperature and humidity sensor at the central position in the tobacco stacking, and workers need to manually copy temperature and humidity data of each stacking regularly. And the other type is that RS-485 bus wiring is adopted, the RS-485 bus is connected with a plurality of temperature and humidity sensors to serve as a lower computer, a PC (personal computer) serves as an upper computer, and the temperature and humidity sensors are polled regularly to read the temperature and humidity values of each pile.
In the cigar tobacco leaf fermentation, if an electronic hygrothermograph is adopted, the data needs to be manually recorded at regular time, the working efficiency is low, and the temperature and humidity environment in the fermentation chamber can fluctuate abnormally by frequently opening the fermentation chamber, which is not beneficial to fermentation; temperature and humidity data of the fermentation environment cannot be analyzed, counted and regulated in real time. Secondly, if RS-485 bus wiring is adopted, because the quantity of tobacco leaf stacking batches fermented at one time in the fermentation chamber is large, one RS-485 bus is connected with all temperature and humidity sensors in a parallel connection mode, and the RS-485 bus also needs to be independently powered, so that the wiring is complicated, the failure rate is high, and the maintenance is difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a simple structure, arrange convenient, the easy cigar tobacco leaf fermentation humiture monitored control system who maintains and guarantee high accuracy measurement based on LORA communication technology.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model provides a cigar tobacco fermentation humiture monitored control system based on LORA communication technology which characterized in that includes: a plurality of data acquisition units and a data management unit; the data acquisition units respectively comprise temperature and humidity sensors and are used for acquiring temperature and humidity data inside the tobacco stacking piles; the plurality of data acquisition units and the data management unit are respectively provided with an LORA wireless communication module in each unit, so that the temperature and humidity data acquired by each data acquisition unit are transmitted to the data management unit, the data management unit further comprises a second communication module which is in communication connection with an external monitoring terminal, and the temperature and humidity data are transmitted to the external monitoring terminal.
In order to facilitate the monitoring of the cigar tobacco fermentation temperature at any time and any place by a user, in the cigar tobacco fermentation temperature and humidity monitoring system based on the LORA communication technology, the external monitoring terminal is set to be a cloud server and used for enabling the user to use a communication device to access the cloud server to acquire temperature and humidity data, so that the user is not limited by time and regions and only can be in network communication.
After the user sees cigar tobacco fermentation temperature through the high in the clouds server, if discover fermentation temperature when unusual, in order to facilitate the user can to monitoring system feedback message, in this cigar tobacco fermentation humiture monitoring system based on LORA communication technology, set up second communication module and LORA wireless communication module as can two-way communication, promptly the second communication module still is used for receiving the control instruction information that outside monitor terminal sent with humiture data corresponds, this control instruction information rethread LORA wireless communication module sends to corresponding the data acquisition unit.
When the user sends control instruction information through the cloud server, for example the control instruction information that sends when the humiture data of cigar tobacco leaf is too high, for the convenience of this moment the operating personnel that the data acquisition unit corresponds can in time learn control instruction information, still carried out following setting in this cigar tobacco leaf fermentation humiture monitored control system based on LORA communication technology: the plurality of data acquisition units respectively comprise a buzzer alarm and a control module, and when the data acquisition units receive the control instruction, the control module controls the corresponding buzzer alarm to send alarm information.
In order to ensure the safety and stability of communication between the monitoring system and an external monitoring terminal and obtain the maximum signal coverage range, in the cigar tobacco fermentation temperature and humidity monitoring system based on the LORA communication technology, the second communication module is a GRPS wireless communication module, a mobile communication network is applied to cigar tobacco production, temperature and humidity monitoring of cigar tobacco fermentation is realized by a mobile phone and a computer anytime and anywhere, and management is convenient.
Preferably, in the cigar tobacco fermentation temperature and humidity monitoring system based on the LORA communication technology, the data management unit further includes a power supply module for providing electric energy, so as to ensure reliable operation of the data management unit.
Preferably, in the cigar tobacco fermentation temperature and humidity monitoring system based on the LORA communication technology, the data management unit further includes a serial communication module, which is used for being connected with an external configuration device to configure and manage the data management unit or any of the data acquisition units, so as to facilitate parameter configuration of the data management unit and each data acquisition unit, such as data acquisition frequency, data reporting frequency, and the like.
Because the temperature inside the stacking pile is unstable during the fermentation of the cigar tobacco leaves, and the circuit board of the temperature sensor is extremely easy to damage when the temperature is too high, in order to facilitate better data acquisition, in the cigar tobacco leaf fermentation temperature and humidity monitoring system based on the LORA communication technology, the plurality of data acquisition units respectively further comprise RS-485 communication modules, the temperature and humidity sensor is provided with a metal probe which is used for being inserted into the tobacco leaf stacking pile, and the metal probe is connected with the corresponding RRS-485 communication module through a connecting wire with a preset length.
Preferably, in this cigar tobacco fermentation humiture monitored control system based on LORA communication technology, a plurality of data acquisition units still include lithium cell power supply module respectively for corresponding the data acquisition unit provides the electric energy, has guaranteed data acquisition unit's operation on the one hand, and on the other hand avoids power supply unit's wiring troublesome, only need to replace the lithium cell can.
Preferably, in the cigar tobacco fermentation temperature and humidity monitoring system based on the LORA communication technology, the temperature and humidity sensor performs data acquisition according to a preset acquisition frequency and is set to wake up and sleep at regular time according to the acquisition frequency, so that the fermentation temperature and humidity condition of the cigar tobacco stacking pile is monitored in real time according to requirements, control measures can be taken conveniently in time, and the taste of the cigar tobacco is prevented from being influenced; and low power consumption and ultra-long standby time are realized through timing awakening.
Compared with the prior art, the beneficial effects of the utility model are that: the cigar tobacco fermentation temperature and humidity monitoring system adopts an LORA wireless technology to realize wireless networking between the plurality of data acquisition units and the data management unit, a star topology network is formed, the data transmission stability is improved, and the whole system is simple in deployment, easy to maintain and high in reliability.
Drawings
Fig. 1 is a system schematic diagram of a cigar tobacco fermentation temperature and humidity monitoring system based on the LORA communication technology in the embodiment of the utility model.
Fig. 2 is a block diagram of a data acquisition unit according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a data acquisition unit in an embodiment of the present invention.
Fig. 4 is a block diagram of a data management unit according to an embodiment of the present invention.
Fig. 5 is a circuit diagram of a data management unit in an embodiment of the present invention.
10, a data acquisition unit 20, a data management unit 11, a temperature and humidity sensor 12, a connecting line 13, an RS-485 communication module 14, a first LORA wireless communication module 15, a buzzer alarm 16, a lithium battery power supply module 17, a first control module 21, a second LORA wireless communication module 22, a second communication module 23, a power supply module 24, a serial communication module 25, and a second control module
Detailed Description
The invention will be further described with reference to the following examples, which are illustrated in the accompanying drawings.
As shown in the attached drawing 1, the embodiment of the utility model provides a cigar tobacco fermentation humiture monitored control system 100 based on LORA communication technology for the humiture to the cigar tobacco pile not drawn in the picture is monitored and is managed, thereby guarantees that the cigar tobacco carries out the fermentation in-process and is in the best humiture state, taste when further guaranteeing the cigar tobacco suction.
In addition, the cigar tobacco fermentation temperature and humidity monitoring system 100 based on the LORA communication technology further sends the acquired temperature and humidity data to the external monitoring terminal 200 in the monitoring process, so that a user can conveniently acquire the temperature and humidity data in the cigar tobacco fermentation process through the external monitoring terminal 200 in real time, and further control and management are performed.
The specific structure and the monitoring management process are as follows:
as shown in fig. 1, a cigar tobacco fermentation temperature and humidity monitoring system 100 based on LORA communication technology includes: a plurality of data acquisition units 10 and a data management unit 20.
Three data acquisition units 10 are shown in fig. 1, but in the present embodiment, the number of data acquisition units 10 is not limited. In addition, the structure and the function of the plurality of data acquisition units 10 are completely the same, and only the arrangement positions are different, so that the data acquisition units are respectively used for acquiring temperature and humidity data of different positions in the tobacco stacking pile. Therefore, here, only the structure and function of one of the data acquisition units 10 will be described in detail, and detailed description of the other data acquisition units 10 will be omitted.
As shown in fig. 2, one data acquisition unit 10 includes a temperature and humidity sensor 11, a connection line 12, an RS-485 communication module 13, a first LORA wireless communication module 14, a buzzer alarm 15, a lithium battery power supply module 16, and a first control module 17.
The temperature and humidity sensor 11 is used for collecting temperature and humidity data inside the tobacco leaf stacking pile, one end of the temperature and humidity sensor 11 is provided with a metal probe inserted into the tobacco leaf stacking pile, and the other end of the temperature and humidity sensor is connected with the corresponding RS-485 communication module 13 through a connecting wire 12 with a preset length, so that the collected temperature and humidity data are sent to the data collection unit 10 in an RS-485 communication mode. Due to the arrangement, only the metal probe part of the temperature and humidity sensor 11 is inserted into the tobacco leaf stacking pile so as to adapt to the bearing environment in the tobacco leaf stacking pile, and the acquisition circuit part is not inserted into the tobacco leaf stacking pile, so that the acquisition circuit of the temperature and humidity sensor 11 is prevented from being damaged when the temperature in the tobacco leaf stacking pile is too high, and data acquisition is facilitated. In this embodiment, the connection line 12 is an RS-485 connection line having a length of 3 meters.
Specifically, as shown in fig. 3, the RS-485 communication module 13 of the data acquisition unit 10 uses an SP3485 chip, and the mutual conversion between the TTL serial port and the RS-485 signal can be realized through a data flow direction control pin and a group of serial ports. In fig. 3, 360R is a pull-up resistor of a and a pull-down resistor of B, respectively, and 120R is a resistor connected in series between a and B for stable transmission. Meanwhile, in order to ensure that the whole device runs with low power consumption as much as possible, a PMOS (P-channel metal oxide semiconductor) tube is added to manage the on-off of the RS-485 chip and the sensor power supply. When the temperature and humidity data collected by the temperature and humidity sensor 11 do not need to be read and sent to the data management unit 4, the single chip microcomputer enters a low power consumption state, and the PMOS tube is turned off, so that electric energy loss on unnecessary circuits is avoided.
As also shown in fig. 1, the first LORA wireless communication module 14 has an LORA wireless transmission antenna 141, and is integrally configured to communicate with the data management unit 20 through LORA wireless technology, so as to improve stability of data transmission.
Specifically, as shown in fig. 3, the first LORA wireless communication module 14 of the data acquisition unit 10 employs an Sx1278 chip of Semtech corporation, which has the characteristics of long communication distance, low power consumption, and the like, and can be conveniently and quickly used in cooperation with a developed bottom layer driver.
The buzzer 15 is used for sending alarm information, such as buzzing sound.
Specifically, as shown in fig. 3, since the driving current required by the buzzer alarm 15 is large, if the I \ O port direct control mode is adopted, the current may be too large to burn out the chip, and the driving current is insufficient, so that the alarm cannot be realized. Therefore, the scheme that the triode is used as the switching tube is adopted, when the singlechip outputs high level, the emitter and the collector of the triode are conducted, so that the two ends of the buzzer alarm generate enough voltage drop, and the buzzer alarm works. In addition, in order to prevent false alarm, a pull-down resistor is added to the base electrode of the triode, so that the default state is closed.
Lithium battery power module 16 is used for providing the electric energy for the work of the whole data acquisition unit 10 that corresponds, has guaranteed data acquisition unit 10's operation on the one hand, and on the other hand has avoided the troublesome problem of wiring of traditional power supply mode, only need when the electric energy is not enough replace the lithium cell can. And the temperature and humidity in the fermentation process of the cigar tobacco stacking pile are monitored in a large batch in an indoor warehouse due to low power consumption. Through the combined application of the first LORA wireless communication module 14 and the lithium battery power supply module 16, the data acquisition unit 10 has very high installation flexibility, and has obvious advantages in installation and maintenance.
Specifically, as shown in fig. 3, the power supply circuit of the data acquisition unit 10 mainly steps down the voltage of 3.7V of the lithium battery at the inlet and stabilizes the voltage to 3.3V that can be used by ICs and devices such as STM32 of the data acquisition unit 10. The HT7333-3 LDO chip is adopted, the working pressure difference is small, the static power consumption is extremely low, and the low power consumption requirement of the product is met. Meanwhile, the two 10uF capacitors at the input end and the output end play a role in filtering, so that the output current and the input current are more gentle.
The first control module 17 is used for controlling the operation of the temperature and humidity sensor 11, the RS-485 communication module 13, the first LORA wireless communication module 14, the buzzer alarm 15 and the lithium battery power supply module 16. Specifically, as shown in fig. 3, the first control module 17 of the data acquisition unit 10 uses a single chip microcomputer model STM32F103RCT6, which is an Integrated Circuit (IC) of an embedded microcontroller, the core size is 32 bits, the speed is 72MHz, the program memory capacity is 256KB, the program memory type is FLASH, and the RAM capacity is 48K.
As also shown in fig. 1, the data management unit 20 is communicatively connected to all the data acquisition units 10 via LORA wireless communication technology, and is communicatively connected to the external monitoring terminal 200 via a communication network.
As shown in fig. 4, the data management unit 20 includes: the device comprises a second LORA wireless communication module 21, a second communication module 22, a power supply module 23, a serial communication module 24 and a second control module 25.
The second LORA wireless communication module 21 is the same as the first LORA wireless communication module 14 of the data acquisition unit 10, and has one LORA wireless transmission antenna 211 for performing LORA wireless communication with any data acquisition unit 10, so as to form a star topology network with the data management unit 20 as a center as shown in fig. 1, thereby improving the stability of data transmission, and facilitating receiving of temperature and humidity data sent by the corresponding data acquisition unit 10 or sending of control instruction information sent by the external monitoring terminal 200 to the corresponding data acquisition unit 10.
Specifically, the second LORA wireless communication module 21 of the data management unit 20 is the same as the first LORA wireless communication module 14 of the data acquisition unit 10, as shown in fig. 5, the second LORA wireless communication module 21 also adopts an Sx1278 chip of Semtech corporation, which has the characteristics of long communication distance, low power consumption, and the like, and can be conveniently and quickly used in cooperation with a developed bottom driver.
The second communication module 22 has a radio frequency antenna 221 for performing communication connection with the external monitoring terminal 200, so as to transmit the temperature and humidity data to the external monitoring terminal 200.
Specifically, the second communication module 22 is a GRPS wireless communication module, and applies a mobile communication network to the production of cigar leaves, so that the security and stability of communication between the monitoring system 100 and the external monitoring terminal 200 are ensured, and the data management unit 20 has a larger signal coverage range compared with other existing communication modes, so that a user can monitor the temperature and humidity of cigar leaf fermentation by using a mobile phone and a computer anytime and anywhere, and the management is convenient.
Here, as shown in fig. 5, the SIM800C chip used by the GPRS wireless communication module of the data management unit 20 can implement GPRS internet access by inserting a GSM-enabled SIM card, so as to perform information interaction with the external monitoring terminal 7. The serial port of the SIM800C is connected to the serial port of the STM32 and has a large capacitor in parallel with both its power supply and VBAT pin to prevent abnormal shutdown of the module when the SIM800C consumes too much power.
The power supply module 23 is used for supplying power required for operation to the data management unit 20, thereby ensuring reliable operation of the data management unit 20. In this embodiment, the power source of the data management unit 20 is civil ac to dc, and power consumption is not considered, so that a 5V to 3.3V LDO chip AMS1117-3.3 is used as shown in fig. 5.
The serial communication module 24 is used for connecting with an external configuration device (e.g., a PC with a configuration software program), so as to perform configuration management on the data management unit 20 and any data acquisition unit 10, such as performing matching parameter configuration, specifically including data acquisition frequency, data reporting frequency, and the like.
Specifically, the serial communication module 24 of the data management unit 20 is a serial-to-USB circuit, which realizes communication with a PC through a USB cable, and performs configuration management on the data management unit 20 and any data acquisition unit 10 through the PC.
The second control module 25 is configured to control the operations of the second LORA wireless communication module 21, the second communication module 22, the power supply module 23, and the serial communication module 24. Specifically, as shown in fig. 5, the second control module 25 of the data management unit 20 is also an STM32F103RCT6, which is an Integrated Circuit (IC) of an embedded microcontroller, with a core size of 32 bits, a speed of 72MHz, a program memory capacity of 256KB, a program memory type of FLASH, and a RAM capacity of 48K.
As shown in fig. 1 again, in order to facilitate the user to monitor the fermentation temperature of the cigar tobacco at any time and any place, the external monitoring terminal 200 is set as a cloud server, and the cloud server analyzes the received temperature and humidity data and stores the data in a database, so that the user can conveniently use the communication device to acquire the temperature and humidity data by accessing the cloud server. The cloud server is a high-performance host which is matched autonomously, adapts to a network environment and a protocol type, supports quick access and data service of various temperature and humidity sensors and intelligent hardware, is combined with software development and deployment, is communicated with the data management unit 20, stores temperature and humidity data of the temperature and humidity sensors, and performs data analysis and decision making by using an expert system. Therefore, the user is not limited by time and regions, the temperature and humidity data are read, analyzed and displayed through the application terminals such as the PC and the mobile phone which can communicate with each other in a remote mode and the cloud server, and therefore real-time monitoring and alarming of the temperature and humidity data in the cigar tobacco fermentation process are achieved.
Specifically, a China Mobile Internet of things open platform (OneET) is deployed on a cloud server, the OneET is an open platform and an ecological environment which are created by a Middle Internet of things Limited company based on Internet of things technology and industrial characteristics, is adaptive to various network environments and protocol types, supports quick access and big data services of various sensors and intelligent hardware, provides abundant APIs (application programming interfaces) and application templates to support development of various industrial applications and intelligent hardware, can effectively reduce application development and deployment cost of the Internet of things, and meets platform-level service requirements of equipment connection, protocol adaptation, data storage, data security, big data analysis and the like in the field of the Internet of things.
Based on this, after the user looked at cigar tobacco fermentation temperature through the cloud server, the cloud server can also carry out analysis and respond to monitored control system 100 to humiture data in real time. If the temperature and humidity data are found to be too high, in order to facilitate the user to feed back a message to the monitoring system, according to the above specific structure, the first LORA wireless communication module 14, the second LORA wireless communication module 21, and the second communication module 22 are all set to be capable of two-way communication, that is, the second communication module is also used for receiving control instruction information corresponding to the temperature and humidity data, which is sent from the external monitoring terminal 200, and the control instruction information is sent to the corresponding data acquisition unit 10 through the second LORA wireless communication module 21 and the first LORA wireless communication module 14. Further, in order to facilitate that an operator corresponding to the data acquisition unit 10 can timely obtain the issued control instruction information, the first control module 17 controls the corresponding buzzer alarm 15 to send alarm information.
In addition, a cigar tobacco fermentation expert system can be deployed on the cloud server, the Internet of things and the 'Internet +' thinking are applied, and intelligent decision and response and remote monitoring can be achieved through the expert system.
In summary, the data acquisition unit 10 adopts rechargeable lithium battery power supply and LORA wireless transmission technology, and has high installation flexibility. The data acquisition unit 10 and the data management unit 20 communicate by the LORA wireless technology, which eliminates the trouble of wiring. By using the LORA wireless transmission technology, the data transmission stability is improved, and the method has obvious advantages in installation and maintenance. The data management unit 20 stores the data on the cloud server, so as to realize safe and convenient data storage and calculation. A user monitors and manages the fermentation temperature and humidity of the cigar tobacco leaves in real time through various application terminals such as a PC or a mobile phone.
The scope of the present invention is not limited to the above-described embodiments, and it is obvious that those skilled in the art can make various modifications and variations to the present invention without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. The utility model provides a cigar tobacco fermentation humiture monitored control system based on LORA communication technology which characterized in that includes:
a plurality of data acquisition units and a data management unit;
the data acquisition units respectively comprise temperature and humidity sensors and are used for acquiring temperature and humidity data inside the tobacco stacking piles;
LORA wireless communication modules are respectively arranged in the plurality of data acquisition units and the data management unit, so that each data acquisition unit transmits the acquired temperature and humidity data to the data management unit,
the data management unit further comprises a second communication module which is used for being in communication connection with an external monitoring terminal so as to send the temperature and humidity data to the external monitoring terminal.
2. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 1, characterized in that:
the external monitoring terminal is a cloud server and is used for enabling a user to use a communication device to access the cloud server so as to obtain the temperature and humidity data.
3. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 2, characterized in that:
the second communication module is further configured to receive control instruction information corresponding to the temperature and humidity data, which is sent by the external monitoring terminal, and the control instruction information is sent to the corresponding data acquisition unit through the LORA wireless communication module.
4. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 3, characterized in that:
the plurality of data acquisition units respectively comprise a buzzer alarm and a control module,
when the data acquisition unit receives the control instruction, the control module controls the corresponding buzzer alarm to send alarm information.
5. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 1, characterized in that:
the second communication module is a GRPS wireless communication module.
6. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 1, characterized in that:
the data management unit further comprises a power supply module for supplying electric energy.
7. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 1, characterized in that:
the data management unit also comprises a serial port communication module which is used for being connected with an external configuration device so as to configure and manage the data management unit or any data acquisition unit.
8. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 1, characterized in that:
the plurality of data acquisition units respectively comprise an RS-485 communication module,
the temperature and humidity sensor is provided with a metal probe inserted into the tobacco stacking pile, and the metal probe is connected with the corresponding RS-485 communication module through a connecting wire with a preset length.
9. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 1, characterized in that:
the plurality of data acquisition units respectively comprise lithium battery power supply modules which are used for providing electric energy for the corresponding data acquisition units.
10. The cigar tobacco fermentation temperature and humidity monitoring system based on LORA communication technology of claim 9, characterized in that:
the temperature and humidity sensor performs data acquisition according to a preset acquisition frequency and is set to wake up and sleep at regular time according to the acquisition frequency.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238601A (en) * | 2021-07-09 | 2021-08-10 | 武汉慧联无限科技有限公司 | Tobacco leaf storage monitoring method and device and storage medium |
| CN114500611A (en) * | 2022-04-02 | 2022-05-13 | 武汉慧联无限科技有限公司 | Tobacco leaf storage monitoring system, monitoring method and device and storage medium |
| CN114675696A (en) * | 2022-04-01 | 2022-06-28 | 湖北省烟草公司宜昌市公司 | Unattended cigar tobacco leaf fermentation automatic system and control method |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238601A (en) * | 2021-07-09 | 2021-08-10 | 武汉慧联无限科技有限公司 | Tobacco leaf storage monitoring method and device and storage medium |
| CN114675696A (en) * | 2022-04-01 | 2022-06-28 | 湖北省烟草公司宜昌市公司 | Unattended cigar tobacco leaf fermentation automatic system and control method |
| CN114500611A (en) * | 2022-04-02 | 2022-05-13 | 武汉慧联无限科技有限公司 | Tobacco leaf storage monitoring system, monitoring method and device and storage medium |
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