CN213397441U - Flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking - Google Patents
Flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking Download PDFInfo
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- CN213397441U CN213397441U CN202021952165.6U CN202021952165U CN213397441U CN 213397441 U CN213397441 U CN 213397441U CN 202021952165 U CN202021952165 U CN 202021952165U CN 213397441 U CN213397441 U CN 213397441U
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Abstract
The utility model provides a flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking, include: a single chip controller; the temperature sensor is connected with the singlechip controller and used for measuring the environment standard temperature; the wet and dry bulb thermometer is connected with the single chip microcomputer controller through a reserved wet and dry bulb thermometer interface and is used for collecting the temperature and the humidity of the curing barn; the wireless communication module is connected with the single chip microcomputer controller and is used for realizing remote communication; the nixie tube display module is connected with the single-chip microcomputer controller and is used for displaying the environmental standard temperature and the measured value of the wet and dry bulb thermometer; and the rechargeable power supply module is connected with the single chip microcomputer controller and is used for providing power for the calibration instrument. The utility model discloses can solve flue-cured tobacco wet and dry bulb thermometer's on-the-spot problem of demarcation, can send the temperature data of wet and dry bulb thermometer back information center, automatic storage and analysis through thing networking module is long-range simultaneously.
Description
Technical Field
The utility model relates to a tobacco flue-curing correlation technique field specifically is a flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking.
Background
At present, tobacco leaf curing barn has different types such as fire coal, biomass and heat pump, and the controller collects the temperature and humidity of the curing barn through a wet-dry bulb thermometer to realize automatic control of tobacco leaf curing. The dry-wet bulb thermometer does not have a periodic calibration link in the actual use process, and the tobacco grower can use the dry-wet bulb thermometer all the time as long as the controller can display temperature and humidity values. However, the DS18B20 sensor of the wet and dry bulb thermometer may have the fault conditions of drifting, jumping and the like and needs to be replaced. Therefore, how to conveniently and quickly detect and calibrate the psychrometric thermometer on site in the curing barn is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
For solving the not enough of prior art, the utility model discloses combine prior art, set out from practical application, provide a flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking, can solve the on-the-spot problem of maring of flue-cured tobacco wet and dry bulb thermometer, can send the temperature data of wet and dry bulb thermometer back information center, automatic storage and analysis through thing networking module is long-range simultaneously.
The technical scheme of the utility model as follows:
the utility model provides a flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking, includes:
a single chip controller;
the temperature sensor is connected with the singlechip controller and is used for measuring the environmental standard temperature;
the wet and dry bulb thermometer is connected with the single chip microcomputer controller through a reserved wet and dry bulb thermometer interface and is used for collecting the temperature and the humidity of the curing barn;
the wireless communication module is connected with the single chip microcomputer controller and is used for realizing remote communication;
the nixie tube display module is connected with the single-chip microcomputer controller and is used for displaying the environmental standard temperature and the measured value of the wet and dry bulb thermometer;
and the rechargeable power supply module is connected with the single chip microcomputer controller and is used for providing power for the calibration instrument.
Further, the wet and dry bulb thermometer comprises four sensors, which are respectively: the greenhouse comprises an upper greenhouse dry-bulb sensor, an upper greenhouse wet-bulb sensor, a lower greenhouse dry-bulb sensor and a lower greenhouse wet-bulb sensor.
Further, the nixie tube display module comprises five screen display areas which are respectively used for displaying measured values of an upper shed dry-bulb sensor, an upper shed wet-bulb sensor, a lower shed dry-bulb sensor, a lower shed wet-bulb sensor and a temperature sensor.
Furthermore, a 5569 female seat is reserved on the interface of the wet and dry bulb thermometer and used for inserting the wet and dry bulb thermometer.
Further, the temperature sensor adopts a PT100 temperature sensor.
Further, the wet and dry bulb thermometer employed a DS18B20 sensor.
Further, the wireless communication module is a 4G communication module, and adopts a SIM7600CE communication module.
Further, the single chip microcomputer controller adopts an STM8S207RBT6 main control chip.
Furthermore, singlechip controller, temperature and humidity sensor, dry and wet bulb thermometer interface, wireless communication module, charactron idle module and chargeable power module all integrate in a casing that can hand, dry and wet bulb thermometer is through the mode of pegging graft and dry and wet bulb thermometer interface connection.
The utility model has the advantages that:
when the utility model is used in practice, the dry-wet bulb thermometer is inserted into the interface of the dry-wet bulb thermometer, the hand-held calibration instrument can automatically display 4 temperature values of the upper shed dry bulb, the upper shed wet bulb, the lower shed dry bulb and the lower shed wet bulb in the area of the measured value of the dry-wet bulb thermometer, and display the environmental standard temperature value in the area of the environmental standard temperature; environmental standard temperature value can regard as the reference value of demarcation, consequently, the utility model discloses can convenient and fast ground at roast room witnessed inspections and mark wet and dry bulb thermometer, the wireless communication module in the while equipment can send corresponding numerical value back to information platform, saves and the analysis.
Drawings
FIG. 1 is a schematic diagram of a panel structure of the calibration instrument;
FIG. 2 is a schematic diagram of the principle structure of the calibration instrument;
FIG. 3 is a single-chip microcomputer controller and peripheral circuit diagram of the calibration instrument;
FIG. 4 is a circuit diagram related to a wireless communication module of the calibrator;
FIG. 5 is a schematic diagram of a digital tube display module and a temperature sensor related interface circuit of the calibrator;
FIG. 6 is a schematic diagram of a dry and wet bulb thermometer interface circuit of the present calibration apparatus;
fig. 7 is a circuit diagram related to a power module of the calibration instrument.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
The embodiment mainly provides a hand-held type calibration instrument for at roast room on-the-spot detection and calibration flue-cured tobacco wet and dry bulb thermometer, send the temperature data back information platform, automatic storage and analysis through thing networking is long-range simultaneously.
Fig. 1 is a schematic diagram of a panel structure of the handheld calibration instrument provided in this embodiment. The handheld calibration instrument mainly comprises a handheld shell, and related components are integrated in the shell. The handheld calibration instrument displays 4 temperature values of the wet and dry bulb thermometer in a measured value area of the wet and dry bulb thermometer, and marks characters such as an upper shed dry bulb, an upper shed wet bulb, a lower shed dry bulb and a lower shed wet bulb; displaying an environment standard temperature value in an environment standard temperature area as a calibrated reference value; the dry and wet bulb thermometer interface is reserved with 5569(2X3P) female seats, the distance of 4.2MM, double rows of bent needle seats and a 6P connector and is used for connecting a dry and wet bulb thermometer.
Fig. 2 is a schematic diagram of the structure of the present embodiment. The embodiment mainly comprises the following steps: the device comprises a singlechip controller, a temperature sensor, a wet and dry bulb thermometer, a wireless communication module, a nixie tube display module and a rechargeable power supply module. The temperature sensor is connected with the single-chip microcomputer controller and used for measuring the environment standard temperature;
the wet and dry bulb thermometer is connected with the single chip microcomputer controller through a reserved wet and dry bulb thermometer interface and is used for collecting the temperature and the humidity of the curing barn; the wireless communication module is connected with the singlechip controller and is used for realizing remote communication; the nixie tube display module is connected with the single-chip microcomputer controller and is used for displaying the environmental standard temperature and the measured value of the wet-dry bulb thermometer; the rechargeable power supply module is connected with the single chip microcomputer controller and used for providing power for the calibration instrument.
In this embodiment, the wet and dry bulb thermometer includes four sensors, respectively: the digital tube display module comprises five screen display areas which are respectively used for displaying the measurement of the upper shed dry-bulb sensor, the upper shed wet-bulb sensor, the lower shed dry-bulb sensor, the lower shed wet-bulb sensor and the temperature sensor (as shown in figure 1).
Specifically, the present embodiment has the following features:
(1) the rechargeable power supply provides 12V30mA DC power for the handheld calibration instrument.
(2) The hand-held type calibrator is connected with PT100 temperature sensor, measurement accuracy: the maximum error of the standard resistance of 0.01 percent is less than 0.1 ℃.
(3) During actual use, the dry-wet bulb thermometer is inserted into a dry-wet bulb thermometer interface, the handheld calibration instrument can automatically display 4 temperature values of an upper shed dry bulb, an upper shed wet bulb, a lower shed dry bulb and a lower shed wet bulb in a dry-wet bulb thermometer measurement value area, and display an environment standard temperature value in an environment standard temperature area; the values are refreshed every 3 seconds.
(4) Error correction range: the range of measurements is-9.99 (C/. F.): -199.9-405.0 ℃/-328-761.0.
(5) The 4G communication module sends the numerical value to the information platform once every 30 seconds, and the user can also set the group of numerical values into different baking room numbers, so that the system automatically matches the numerical value of the wet and dry bulb thermometer to the corresponding baking room.
As shown in fig. 3 to 7, the schematic diagrams of the related circuit structures of the calibration apparatus provided in this embodiment are shown.
For a rechargeable power module: the LM2596 voltage stabilization chip converts input power supply voltage into 5V, the TP4056 battery management chip is used for charging the battery, the AMS1117-3.3 voltage conversion chip converts the battery voltage into 3.3V for supplying power to circuits such as a single chip microcomputer and a sensor, and the XC6371A501PR voltage conversion chip raises the battery voltage into 5V for supplying power to the display screen and the temperature acquisition module.
For the nixie tube display module interface and the PT100 temperature sensor interface: RS485 interface is adopted, and the interface chip is MAX 3485.
For the wireless communication module: the SIM7600CE communication module of SIMCOM company is adopted as the 4G communication module, and the 2G/3G/4G network is compatible.
For wet and dry bulb thermometer interfaces: the wet and dry bulb thermometer comprises two wet and dry bulb sensors, one wet and dry bulb sensor comprises one dry bulb temperature sensor and one wet bulb temperature sensor, so that the total number of 4 temperature sensors is 18B 20.
For the single chip controller and peripheral circuits: the main control chip adopts STM8S207RBT6, and the chip has two paths of UART interfaces, UART1 and UART 3. The UART1 is divided into 2 paths of UARTs after passing through the CD4052 logic switch chip, and is respectively connected with a display screen and a PT100 temperature acquisition module, and 5 paths of temperature data are displayed on the display screen and comprise reference temperatures measured by 4 paths of 18B20 temperature sensors in the wet-dry bulb thermometer and the PT100 temperature acquisition module.
The flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking that this embodiment provided can solve the on-the-spot problem of maring of flue-cured tobacco wet and dry bulb thermometer, can send the temperature data of wet and dry bulb thermometer back to information center, automatic storage and analysis through thing networking module is long-range simultaneously.
Claims (9)
1. The utility model provides a flue-cured tobacco wet and dry bulb thermometer hand-held type calibrator based on thing networking which characterized in that includes:
a single chip controller;
the temperature sensor is connected with the singlechip controller and is used for measuring the environmental standard temperature;
the wet and dry bulb thermometer is connected with the single chip microcomputer controller through a reserved wet and dry bulb thermometer interface and is used for collecting the temperature and the humidity of the curing barn;
the wireless communication module is connected with the single chip microcomputer controller and is used for realizing remote communication;
the nixie tube display module is connected with the single-chip microcomputer controller and is used for displaying the environmental standard temperature and the measured value of the wet and dry bulb thermometer;
and the rechargeable power supply module is connected with the single chip microcomputer controller and is used for providing power for the calibration instrument.
2. The Internet of things-based handheld calibration instrument for flue-cured tobacco wet and dry bulb thermometers according to claim 1, wherein the wet and dry bulb thermometers comprise four sensors, which are respectively: the greenhouse comprises an upper greenhouse dry-bulb sensor, an upper greenhouse wet-bulb sensor, a lower greenhouse dry-bulb sensor and a lower greenhouse wet-bulb sensor.
3. The Internet of things-based handheld calibrator for flue-cured tobacco wet and dry bulb thermometers according to claim 2, wherein the nixie tube display module comprises five screen display areas for displaying measured values of an upper greenhouse dry bulb sensor, an upper greenhouse wet bulb sensor, a lower greenhouse dry bulb sensor, a lower greenhouse wet bulb sensor and a temperature sensor respectively.
4. The Internet of things-based handheld calibration instrument for flue-cured tobacco wet and dry bulb thermometers according to claim 2, wherein a 5569 female seat is reserved for a wet and dry bulb thermometer interface for plugging in the wet and dry bulb thermometers.
5. The Internet of things-based handheld calibrator for flue-cured tobacco wet and dry bulb thermometers according to claim 1, wherein the temperature sensor is a PT100 temperature sensor.
6. The Internet of things-based handheld calibrator for flue-cured tobacco wet and dry bulb thermometers according to claim 1, wherein the wet and dry bulb thermometers employ a DS18B20 sensor.
7. The Internet of things-based handheld calibration instrument for flue-cured tobacco wet and dry bulb thermometers according to claim 1, wherein the wireless communication module is a 4G communication module and adopts a SIM7600CE communication module.
8. The Internet of things-based handheld calibrator for flue-cured tobacco wet and dry bulb thermometers according to claim 1, wherein the single-chip microcomputer controller adopts an STM8S207RBT6 main control chip.
9. The flue-cured tobacco wet and dry bulb thermometer handheld calibration instrument based on the Internet of things according to any one of claims 1-8, characterized in that the single chip microcomputer controller, the temperature and humidity sensor, the wet and dry bulb thermometer interface, the wireless communication module, the nixie tube display module and the rechargeable power supply module are all integrated in a handheld shell, and the wet and dry bulb thermometer is connected with the wet and dry bulb thermometer interface in a plugging mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021952165.6U CN213397441U (en) | 2020-09-08 | 2020-09-08 | Flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking |
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| CN202021952165.6U CN213397441U (en) | 2020-09-08 | 2020-09-08 | Flue-cured tobacco wet and dry bulb thermometer hand-held type calibration instrument based on thing networking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166264A (en) * | 2021-12-08 | 2022-03-11 | 西南大学 | Bulk curing barn dry-wet ball temperature sensor detector and detection method thereof |
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- 2020-09-08 CN CN202021952165.6U patent/CN213397441U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114166264A (en) * | 2021-12-08 | 2022-03-11 | 西南大学 | Bulk curing barn dry-wet ball temperature sensor detector and detection method thereof |
| CN114166264B (en) * | 2021-12-08 | 2022-08-02 | 西南大学 | Bulk curing barn dry-wet ball temperature sensor detector and detection method thereof |
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