CN218298203U - Ionization experimental device based on Internet of things - Google Patents
Ionization experimental device based on Internet of things Download PDFInfo
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- CN218298203U CN218298203U CN202222606103.5U CN202222606103U CN218298203U CN 218298203 U CN218298203 U CN 218298203U CN 202222606103 U CN202222606103 U CN 202222606103U CN 218298203 U CN218298203 U CN 218298203U
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Abstract
An object of the utility model is to provide an ionization experimental apparatus based on thing networking belongs to gaseous experimental apparatus technical field. The device can directly realize remote operation on the instrument on line through the Internet of things control module and the like on the traditional ionization instrument, thereby completing an experiment; the function of the traditional offline operation experiment is also reserved by arranging the operation panel module; in addition, aiming at the problem that most of the traditional gas experiments are qualitative experiments, the sensor is additionally arranged, so that the quantitative measurement of related physical quantities in the reaction process is realized.
Description
Technical Field
The utility model belongs to the technical field of gaseous experimental apparatus, concretely relates to ionization experimental apparatus based on thing networking.
Background
At present, various experimental instruments are important guarantees for scientific experiments and science popularization education, and gas reaction experiments are a common reaction type in chemical experiments. However, most of conventional gas reaction experimental instruments have single functions and are qualitative experiments, that is, most of gas reaction processes are judged whether the reaction is normally performed through a colorimetric card and a color change phenomenon of an inspection reagent, and quantitative observation of related physical quantities in the experimental process is lacked, so that the judgment of the occurrence degree of the experimental phenomenon progress is deviated; meanwhile, for a part of gas ionization experiments in gas reaction experiments, such experiments can be smoothly performed under the condition of high voltage, and the life safety of an experimenter can be threatened if the experiment is operated in a close range. In addition, most of the existing experimental instruments and equipment are operated on line through control buttons on the instruments, so that remote experiments are inconvenient to control and carry out.
SUMMERY OF THE UTILITY MODEL
To the problem that the background art exists, the utility model aims to provide an ionization experimental apparatus based on thing networking has realized the remote control to ionization experimental apparatus through setting up operating panel module, thing networked control module, sensor module, business turn over gas module and reaction vessel module.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an ionization experimental device based on the Internet of things comprises an operation panel module, an Internet of things control module, a sensor module, a gas inlet and outlet module and a reaction container module;
the reaction vessel module comprises a cuboid-shaped closed reaction vessel and an electrode; the reaction vessel consists of two cuboids with half-openings and a rectangular corrugated pipe, wherein the two cuboids have opposite openings, and the openings are hermetically connected by the rectangular corrugated pipe; the opposite inner walls of the left side and the right side of the reaction vessel are respectively provided with an electrode, and the electrodes are connected with a direct-current high-voltage power supply in the operation panel module and used for providing a discharge condition; the upper wall and the lower wall of the reaction container are respectively provided with two vent holes which are symmetrical about the rectangular corrugated pipe, and the vent holes are respectively connected with an air suction pump in the air inlet and outlet module in a sealing way;
the gas inlet and outlet module comprises a strong electric control panel and a suction pump; the strong electric control panel comprises a decoder and an optocoupler relay, wherein the decoder is used for controlling the on-off of the optocoupler relay, one end of the decoder is electrically connected with an embedded minimum system in the Internet of things control module, and the other end of the decoder is electrically connected with the optocoupler relay; the other end of the optical coupling relay is electrically connected with the air pump switch and is used for controlling the on-off of the air pump switch;
the sensor module comprises a data monitoring board, a temperature and humidity sensor, an air pressure sensor and an ultrasonic distance meter; the data monitoring board is provided with four groups of interfaces, namely a serial interface, an integrated circuit bus interface, a serial peripheral interface and a single IO interface, wherein each group of interfaces is in a universal module interface mode, and each interface also comprises a VCC (voltage to Current) port and a GND (ground) port; the temperature and humidity sensor and the air pressure sensor are arranged in a closed reaction container of the reaction container module and used for monitoring the temperature, the humidity and the air pressure in the reaction container, the temperature and humidity sensor is connected with a serial peripheral interface of the data monitoring board, and the air pressure sensor is connected with an integrated circuit bus interface of the data monitoring board; two ends of the ultrasonic distance meter are respectively and fixedly arranged on two electrodes of the reaction container module; the ultrasonic distance measuring device is used for monitoring the distance between the two electrode tips, and an insulating layer is arranged between the ultrasonic distance measuring device and the electrode tips; one end of the data monitoring board is connected with the embedded minimum system, and the measurement data is transmitted to the embedded minimum system through the data monitoring board interface;
the Internet of things control module comprises an embedded minimum system, a storage chip and a WIFI unit; the embedded minimum system is in communication connection with the Internet of things through the WIFI unit and is electrically connected with the storage chip; the embedded minimum system is used for measuring voltage values at two ends of a voltage dividing circuit in the operation panel module and applying a control signal to the gas inlet and outlet module, transmitting the measurement data of the sensor module to the storage chip, packaging and packaging the measurement data by the storage chip, and transmitting the measurement data to the Internet of things for storage through the embedded minimum system; the Internet of things is used for storing the measurement data and transmitting a control instruction of a user to the embedded minimum system;
the operation panel module comprises a data display screen, a direct-current high-voltage power supply and an air pump switch; the data display screen is used for displaying data such as electrode distance, voltage between electrodes, temperature and humidity and air pressure in the reaction container module in real time; the direct-current high-voltage power supply comprises a power supply and a voltage division circuit; the anode and the cathode of the power supply are connected with the two electrodes, a voltage division circuit is connected between the power supply and the electrodes in parallel, and the embedded minimum system is connected with the two ends of the voltage division circuit and used for obtaining a voltage value applied between the electrodes; the air pump switch is used for controlling whether the air pump works or not, and meanwhile, the air pump switch is also electrically connected with the optical coupling relay in the air inlet and outlet module.
Furthermore, the rectangular corrugated pipe is made of flexible materials, and the distance between the electrodes is adjusted by lengthening or compressing the distance between the corrugations of the corrugated pipe, so that the relationship between the electrode distance and the gas reaction condition in a gas ionization experiment is researched.
Further, the shape of the tip of the electrode is needle-shaped, spherical or plate-shaped, and the material of the electrode is iron or copper.
Further, the optical coupling relay is provided with a rubber insulating layer on the surface close to the decoder.
Further, the cloud server is in communication connection with the embedded minimum system through an MQTT protocol; still set up the metal fin on the WIFI module for the heat dissipation.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the device can directly realize the remote operation of the instrument on line through the Internet of things control module and the like on the traditional ionization instrument, thereby completing the experiment; and through setting up the operation panel module, still kept the function of traditional off-line operation experiment. This device can be used to experimental study or science popularization education place, has positive influence to the development of research and science popularization education, meanwhile, to the problem that traditional gas experiment is qualitative experiment mostly, through installing sensing device additional, has realized the quantitative measurement to relevant physical quantity in the reaction process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the reaction vessel module of the present invention.
Fig. 3 is the utility model discloses the structural schematic of optical coupling relay in business turn over gas module.
Fig. 4 is a schematic view of the structure of the ultrasonic distance measuring instrument of the present invention with a rubber insulating layer attached to the surface.
In the figure, 1 is an air pump, 2 is a flexible rectangular corrugated pipe, 3 is an electrode, 4 is a device support table (including the air pump), 5 is a sensor module, 6 is an operation panel module, 7 is a relay surface rubber insulation layer, and 8 is a surface rubber insulation layer of an ultrasonic distance meter.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
The utility model provides an ionization experimental device based on the Internet of things, the overall structure schematic diagram of which is shown in figure 1, the device comprises an operation panel module, an Internet of things control module, a sensor module, a gas inlet and outlet module and a reaction vessel module;
the schematic structural diagram of the reaction vessel module is shown in fig. 2, and comprises a cuboid-shaped closed reaction vessel and an electrode 3; the reaction vessel consists of two cuboids with half-openings and a rectangular corrugated pipe 2, wherein the two cuboids have opposite openings, and the openings are hermetically connected by the rectangular corrugated pipe; the opposite inner walls of the left side and the right side of the reaction container are respectively provided with an electrode which is connected with a direct-current high-voltage power supply in the operation panel module and used for providing a discharging condition; the upper wall and the lower wall of the reaction container are both provided with two vent holes which are symmetrical about the rectangular corrugated pipe, and the vent holes are hermetically connected with an air suction pump 1 in the air inlet and outlet module; the bottom of the closed reaction vessel can also be provided with a supporting platform 4;
the gas inlet and outlet module comprises a strong electric control panel and a suction pump; the strong electric control panel comprises a decoder and an optocoupler relay, wherein the decoder is used for controlling the on-off of the optocoupler relay, one end of the decoder is electrically connected with an embedded minimum system in the Internet of things control module, and the other end of the decoder is electrically connected with the optocoupler relay; the other end of the optical coupling relay is electrically connected with the air pump switch and is used for controlling the on-off of the air pump switch;
the sensor module comprises a data monitoring board, a temperature and humidity sensor, an air pressure sensor and an ultrasonic distance meter; the data monitoring board is provided with four groups of interfaces, namely a serial interface, an integrated circuit bus interface, a serial peripheral interface and a single IO interface, wherein each group of interfaces is in a universal module interface mode, and each interface also comprises a VCC (voltage to Current) port and a GND (ground) port; the temperature and humidity sensor and the air pressure sensor are arranged in a closed reaction container of the reaction container module and used for monitoring the temperature, the humidity and the air pressure in the reaction container, the temperature and humidity sensor is connected with a serial peripheral interface of the data monitoring board, and the air pressure sensor is connected with an integrated circuit bus interface of the data monitoring board; two ends of the ultrasonic distance meter are respectively and fixedly arranged on two electrodes of the reaction container module; the ultrasonic distance measuring device is used for monitoring the distance between the two electrode tips, and an insulating layer is arranged between the ultrasonic distance measuring device and the electrode tips; one end of the data monitoring board is connected with the embedded minimum system, and the measured data is transmitted to the embedded minimum system through the data monitoring board interface;
the Internet of things control module comprises an embedded minimum system, a storage chip and a WIFI unit; the embedded minimum system is in communication connection with the Internet of things through the WIFI unit and is electrically connected with the storage chip; the embedded minimum system is used for measuring voltage values at two ends of a voltage dividing circuit in the operation panel module and applying control signals to the gas inlet and outlet modules, transmitting the measurement data of the sensor module to the storage chip, packaging and packaging the measurement data by the storage chip, and transmitting the measurement data to the Internet of things for storage through the embedded minimum system; the Internet of things is used for storing the measurement data and transmitting a control instruction of a user to the embedded minimum system;
the operation panel module comprises a data display screen, a direct-current high-voltage power supply and an air pump switch; the data display screen is used for displaying data such as electrode distance, voltage between electrodes, temperature and humidity and air pressure in the reaction container module in real time; the direct-current high-voltage power supply comprises a power supply and a voltage division circuit; the anode and the cathode of the power supply are connected with the two electrodes, a voltage division circuit is connected between the power supply and the electrodes in parallel, and the embedded minimum system is connected with the two ends of the voltage division circuit and used for obtaining a voltage value applied between the electrodes; the air pump switch is used for controlling whether the air pump works or not, and meanwhile, the air pump switch is also electrically connected with the optical coupling relay in the air inlet and outlet module.
Example 1
This example illustrates an experiment of generating nitric oxide under discharge conditions with nitrogen and oxygen.
The model of an embedded minimum system chip in the Internet of things control module is ESP32-S, and a signal of a storage chip is AT24C256; a serial interface of a data monitoring board in the sensor module is connected with a serial port screen, the serial port screen is installed on the operation panel module, an IIC interface is connected with an MS5611 air pressure sensor, a single IO interface is connected with a DHT11 temperature and humidity sensor, 74HC238D is selected on a strong electric control board to serve as a chip of a 3-8 decoder, RD-105D serves as a relay, and HC-SR04 is adopted by the ultrasonic range finder. Because the density of the nitrogen is smaller than that of the air, in order to exhaust the air, the nitrogen is input from the left upper air inlet pipe, the oxygen is input from the right lower air inlet pipe, and the rest two ports are opened simultaneously to extract the air in the device.
The RD-105D relay is provided with a rubber insulating layer on the contact surface near the 3-8 decoder side, as shown in fig. 3, for avoiding the damage of the high voltage lower decoder.
The HC-SR04 ultrasonic distance meter is adhered with a rubber insulating layer on the surface close to the electrode, as shown in FIG. 4, for avoiding the influence of electromagnetic interference on the ultrasonic distance meter; in the figure, two large circles are the transmitting end and the receiving end of the ultrasonic range finder, and four small circles are used for fixing.
An operation panel module and an Internet of things control module are further fixedly arranged on the front side wall of the cuboid reaction vessel.
The utility model discloses the operation process of device does: firstly, opening a suction pump switch of an operation control module, and filling nitrogen and oxygen into a reaction container by controlling a gas inlet and outlet module; observing the pressure change in the container, electrifying the two electrodes after the nitrogen and oxygen are filled to meet the set requirement, and starting the reaction of the nitrogen and the oxygen under the discharge condition. At this time, the data such as the air pressure, the temperature, the humidity, the distance between the electrodes and the like in the reaction container at this time can be observed through the display screen; relevant data are transmitted to an embedded minimum system of the control module of the Internet of things through the sensor module, and the embedded minimum system transmits the data to a cloud server of the Internet of things through the WiFi unit for storage.
Any feature disclosed in this specification may, unless stated otherwise, be replaced by alternative features serving the same, equivalent or similar purpose; all of the disclosed features, or all of the method or process steps, may be combined in any combination, except mutually exclusive features and/or steps.
Claims (5)
1. An ionization experimental device based on the Internet of things is characterized by comprising an operation panel module, an Internet of things control module, a sensor module, a gas inlet and outlet module and a reaction container module;
the reaction vessel module comprises a cuboid-shaped closed reaction vessel and an electrode; the reaction vessel consists of two cuboids with half openings and a rectangular corrugated pipe, wherein the two cuboids have opposite openings, and the openings are hermetically connected by the rectangular corrugated pipe; the opposite inner walls of the left side and the right side of the reaction vessel are respectively provided with an electrode, and the electrodes are connected with a direct-current high-voltage power supply in the operation panel module and used for providing a discharge condition; the upper wall and the lower wall of the reaction container are respectively provided with two vent holes which are symmetrical about the rectangular corrugated pipe, and the vent holes are respectively connected with an air suction pump in the air inlet and outlet module in a sealing way;
the gas inlet and outlet module comprises a strong current control panel and a suction pump; the strong electric control panel comprises a decoder and an optocoupler relay, wherein the decoder is used for controlling the on-off of the optocoupler relay, one end of the decoder is electrically connected with an embedded minimum system in the Internet of things control module, and the other end of the decoder is electrically connected with the optocoupler relay; the other end of the optical coupling relay is electrically connected with the air pump switch and is used for controlling the on-off of the air pump switch;
the sensor module comprises a data monitoring board, a temperature and humidity sensor, an air pressure sensor and an ultrasonic distance meter; the data monitoring board is provided with four groups of interfaces which are respectively a serial interface, an integrated circuit bus interface, a serial peripheral interface and a single IO interface, each group of interfaces is in a universal module interface mode, and each interface also comprises a VCC interface and a GND interface; the temperature and humidity sensor and the air pressure sensor are arranged in a closed reaction container of the reaction container module and used for monitoring the temperature, the humidity and the air pressure in the reaction container, the temperature and humidity sensor is connected with a serial peripheral interface of the data monitoring board, and the air pressure sensor is connected with an integrated circuit bus interface of the data monitoring board; two ends of the ultrasonic distance meter are respectively and fixedly arranged on two electrodes of the reaction container module; the ultrasonic distance meter is used for monitoring the distance between the two electrode tips, and an insulating layer is arranged between the ultrasonic distance meter and the electrode tips; one end of the data monitoring board is connected with the embedded minimum system, and the measured data is transmitted to the embedded minimum system through the data monitoring board interface;
the Internet of things control module comprises an embedded minimum system, a storage chip and a WIFI unit; the embedded minimum system is in communication connection with the Internet of things through the WIFI unit and is electrically connected with the storage chip; the embedded minimum system is used for measuring voltage values at two ends of a voltage dividing circuit in the operation panel module and applying control signals to the gas inlet and outlet modules, transmitting the measurement data of the sensor module to the storage chip, packaging and packaging the measurement data by the storage chip, and transmitting the measurement data to the Internet of things for storage through the embedded minimum system; the Internet of things is used for storing the measurement data and transmitting a control instruction of a user to the embedded minimum system;
the operation panel module comprises a data display screen, a direct-current high-voltage power supply and an air pump switch; the data display screen is used for displaying data such as electrode distance, voltage between electrodes, temperature and humidity and air pressure in the reaction container module in real time; the direct-current high-voltage power supply comprises a power supply and a voltage division circuit; the anode and the cathode of the power supply are connected with the two electrodes, a voltage division circuit is connected between the power supply and the electrodes in parallel, and the embedded minimum system is connected with the two ends of the voltage division circuit and used for obtaining a voltage value applied between the electrodes; the air pump switch is used for controlling whether the air pump works or not, and meanwhile, the air pump switch is also electrically connected with the optical coupling relay in the air inlet and outlet module.
2. The ionization experimental apparatus as claimed in claim 1, wherein the rectangular bellows is made of a flexible material, and the distance between the electrodes is adjusted by elongating or compressing the distance between the bellows and the corrugations.
3. The ionization experimental apparatus as claimed in claim 1, wherein the tip of the electrode is needle-shaped, spherical or plate-shaped, and the material of the electrode is iron or copper.
4. The ionization chamber of claim 1, wherein the optocoupler relay is provided with a rubber insulation layer on the surface adjacent to the encoder.
5. The ionization testing apparatus of claim 1, wherein the cloud server is communicatively coupled to the embedded minimum system via MQTT protocol; and the WIFI module is also provided with a metal radiating fin for radiating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222606103.5U CN218298203U (en) | 2022-09-30 | 2022-09-30 | Ionization experimental device based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222606103.5U CN218298203U (en) | 2022-09-30 | 2022-09-30 | Ionization experimental device based on Internet of things |
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| Publication Number | Publication Date |
|---|---|
| CN218298203U true CN218298203U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222606103.5U Active CN218298203U (en) | 2022-09-30 | 2022-09-30 | Ionization experimental device based on Internet of things |
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| CN (1) | CN218298203U (en) |
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- 2022-09-30 CN CN202222606103.5U patent/CN218298203U/en active Active
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