CN112826965A - Automatic adjust degassing unit of ozone concentration - Google Patents

Automatic adjust degassing unit of ozone concentration Download PDF

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Publication number
CN112826965A
CN112826965A CN202110111242.8A CN202110111242A CN112826965A CN 112826965 A CN112826965 A CN 112826965A CN 202110111242 A CN202110111242 A CN 202110111242A CN 112826965 A CN112826965 A CN 112826965A
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CN
China
Prior art keywords
ozone
ozone concentration
concentration
value
pid controller
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Pending
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CN202110111242.8A
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Chinese (zh)
Inventor
乔晓军
王莹
姚世元
刘智
湛文强
李玉风
常红梅
王海波
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Nongxin Technology Beijing Co ltd
Beijing Research Center for Information Technology in Agriculture
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Nongxin Technology Beijing Co ltd
Beijing Research Center for Information Technology in Agriculture
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Application filed by Nongxin Technology Beijing Co ltd, Beijing Research Center for Information Technology in Agriculture filed Critical Nongxin Technology Beijing Co ltd
Priority to CN202110111242.8A priority Critical patent/CN112826965A/en
Publication of CN112826965A publication Critical patent/CN112826965A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours
    • A61L2/202—Ozone
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
    • G01N33/0039—O3
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
    • G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The invention provides a sterilizing device capable of automatically adjusting ozone concentration, comprising: the ozone generator comprises an ozone generating assembly, an ozone concentration detector and a PID controller; the ozone concentration detector is used for acquiring the ozone concentration value around the disinfection device; the ozone generating assembly is used for generating ozone; the PID controller is in communication connection with the ozone concentration detector and is used for comparing the ozone concentration value with a preset ozone concentration value to obtain a difference value, and the difference value is used as the input quantity of the PID controller so as to obtain a control signal and adjust the ozone generation quantity of the ozone generation assembly based on the control signal. The ozone concentration reference value actually needed in the space is used as a control target, the difference value between the actual value and the reference value collected by the ozone concentration sensor is used as an input value of the PID controller, and the ozone generation amount of the ozone generation assembly can be automatically controlled according to the ozone concentration value in the environment through the closed-loop control system, so that the indoor ozone concentration reaches the optimal state set by a user, and the aim of accurate disinfection is fulfilled.

Description

Automatic adjust degassing unit of ozone concentration
Technical Field
The invention relates to the technical field of ozone disinfection, in particular to a disinfection device capable of automatically adjusting ozone concentration.
Background
Ozone is a gas with broad-spectrum, high-efficiency and quick sterilization functions. And ozone reacts with water and can be automatically reduced into oxygen in a short time at normal temperature, and the ozone has strong oxidation effect in the process of reducing into oxygen, and can quickly inactivate cells after contacting with bacteria, fungi and viruses causing crop diseases. With the continuous improvement of living standard of people, the ozone disinfection device becomes a necessary device and is widely applied to medical treatment and home furnishing.
However, the existing ozone disinfection device is lack of ozone concentration detection when disinfection is carried out. For example, when the concentration of ozone is lower than a preset concentration, the expected disinfection effect cannot be achieved; when the concentration of ozone is higher than the preset concentration during disinfection, the ozone can affect the human body.
Disclosure of Invention
The invention provides a sterilizing device capable of automatically adjusting ozone concentration, which is used for solving the problem that the ozone generation amount of an ozone sterilizing device in the prior art is difficult to control.
The invention provides a sterilizing device capable of automatically adjusting ozone concentration, comprising: the ozone generator comprises an ozone generating assembly, an ozone concentration detector and a PID controller;
the ozone concentration detector is used for acquiring ozone concentration values around the disinfection device; the ozone generating assembly is used for generating ozone;
the PID controller is in communication connection with the ozone concentration detector and is used for comparing the ozone concentration value with a preset ozone concentration value to obtain a difference value, and the difference value is used as an input quantity of the PID controller, so that a control signal is obtained, and the ozone generation quantity of the ozone generation assembly is adjusted based on the control signal.
According to the disinfection device capable of automatically adjusting the ozone concentration, which is provided by the invention, the disinfection device capable of automatically adjusting the ozone concentration further comprises a Bluetooth module, and the ozone concentration detector sends the ozone concentration value to the PID controller through the Bluetooth module.
According to the disinfection device capable of automatically adjusting the concentration of ozone provided by the invention, the ozone generating assembly comprises an ozone power supply and an ozone generator, wherein the ozone power supply supplies electric energy to the ozone generator so as to enable the ozone generator to generate ozone.
According to the disinfection device capable of automatically adjusting the concentration of the ozone, provided by the invention, the voltage or the frequency of the ozone generator is controlled based on the control signal, so that the ozone generation amount of the ozone generator is adjusted.
According to the disinfection device capable of automatically adjusting the concentration of the ozone provided by the invention, the ozone generation assembly further comprises a frequency converter, and the frequency converter is used for changing the voltage or the frequency of the ozone generator according to the control signal.
According to the sterilizing device capable of automatically adjusting the concentration of the ozone provided by the invention, the sterilizing device capable of automatically adjusting the concentration of the ozone further comprises a shell, the shell is provided with an air outlet, and the ozone generating assembly is arranged inside the shell.
According to the disinfection device capable of automatically adjusting the concentration of ozone provided by the invention, the air outlet of the shell is fixedly provided with the air direction adjusting plate.
According to the sterilizing device capable of automatically adjusting the concentration of ozone provided by the invention, the sterilizing device capable of automatically adjusting the concentration of ozone further comprises a fan, the fan is arranged inside the shell and used for conveying ozone generated by the ozone generating assembly to the air outlet.
According to the disinfection device capable of automatically adjusting the concentration of ozone provided by the invention, the shell comprises an upper cabin body and a lower cabin body, the air outlet is arranged in the upper cabin body, and the ozone generating assembly is arranged in the lower cabin body.
According to the disinfection device capable of automatically adjusting the ozone concentration, which is provided by the invention, the disinfection device capable of automatically adjusting the ozone concentration further comprises a suspender, and one end of the suspender is detachably connected with the upper cabin body.
The invention provides a sterilizing device capable of automatically adjusting ozone concentration, which takes an actually required ozone concentration reference value in a space as a control target, takes a difference value between an actual value acquired by an ozone concentration sensor and the reference value as an input value of a PID (proportion integration differentiation) controller, and can automatically control the ozone generation amount of an ozone generation assembly according to the ozone concentration value in the environment through a closed-loop control system so as to enable the indoor ozone concentration to reach the optimal state set by a user, thereby solving the problem that the ozone dissipation influences the stability of actual ozone concentration control and achieving the aim of accurate sterilization, namely ensuring that the sterilizing device can reach the required sterilizing concentration and the ozone concentration in the environment is lower than the safe concentration; good disinfection effect and convenient operation.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a disinfection apparatus for automatically adjusting ozone concentration according to the present invention;
FIG. 2 is a flowchart of an ozone concentration control method of the sterilizing apparatus for automatically adjusting the concentration of ozone according to the present invention;
reference numerals:
1: a boom; 2: a protective cover; 3: an upper cabin body;
4: an ozone generating assembly; 5: a fan; 6: a lower cabin body;
7: a wind direction adjusting plate; 8: an ozone concentration sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The sterilizing apparatus for automatically adjusting the concentration of ozone according to the present invention will be described with reference to fig. 1 to 2.
As shown in fig. 1, the sterilizing apparatus for automatically adjusting the concentration of ozone according to the embodiment of the present invention includes: ozone generating component 4, ozone concentration detector and PID controller.
The ozone concentration detector of the disinfection device is used for acquiring the ozone concentration value around the disinfection device capable of automatically adjusting the ozone concentration, namely the ozone concentration detector is used for acquiring the ozone concentration value in the environment, and the ozone concentration detector can be an ozone concentration sensor 8. The number of ozone concentration sensors 8 may be one or more. For example, a plurality of ozone concentration sensors 8 may be arranged in the effective sterilization area of the sterilization device, that is, a plurality of ozone concentration sensors 8 may be moved to the periphery of the sterilization device, respectively, or ozone concentration sensors 8 may be fixed at different positions around the sterilization device. The ozone concentration values obtained by the plurality of ozone concentration sensors 8 are averaged, so that the accuracy of the obtained ozone concentration values is improved. The ozone concentration sensor 8 and the PID controller can be matched and connected through Bluetooth.
The ozone generating component 4 of the disinfection device is used for generating ozone;
the PID controller is in communication connection with the ozone concentration detector, the ozone concentration detector sends an obtained ozone concentration value in the environment to the PID controller, the PID controller compares a preset ozone concentration value with the received ozone concentration value to obtain a difference value, the difference value is used as an input quantity of the PID controller, a control signal is obtained after proportional, differential and integral operations are carried out on the PID controller, and the ozone generation quantity of the ozone generation assembly is adjusted based on the control signal.
As shown in fig. 2, if the current ozone concentration value is lower than the preset ozone concentration value, the ozone generating component is controlled to increase the ozone generation amount; if the current ozone concentration value is higher than the preset ozone concentration value, controlling the ozone generation assembly to reduce the ozone generation amount; if the current ozone concentration value is equal to the preset ozone concentration value, the ozone generation assembly keeps the original ozone generation amount.
In the embodiment of the invention, the reference value of the actually required ozone concentration in the space is taken as a control target, the difference value between the actual value acquired by the ozone concentration sensor 8 and the reference value is taken as the input value of the PID controller, and the ozone generation amount of the ozone generation assembly can be automatically controlled according to the ozone concentration value in the environment through a closed-loop control system, so that the indoor ozone concentration reaches the optimal state set by a user, the problem that the stability of the actual ozone concentration control is influenced by ozone dissipation is solved, and the aim of accurate disinfection is fulfilled, namely, the disinfection device can be ensured to reach the required disinfection concentration, and the ozone concentration in the environment can be ensured to be lower than the safe concentration; good disinfection effect and convenient operation.
On the basis of the embodiment, the sterilizing device capable of automatically adjusting the ozone concentration further comprises a Bluetooth module, and the ozone concentration detector sends the ozone concentration value to the PID controller through the Bluetooth module.
It should be noted that the bluetooth module is connected to an expansion port of the PID controller, the PID controller is set as a master device, the PID controller broadcasts a number after being powered on, which indicates that the PID controller is successfully connected with the bluetooth module, and meanwhile, an indicator lamp above the bluetooth module flashes; after ozone concentration sensor 8 circular telegram was close to the PID controller, can initiatively search for main equipment on every side, bluetooth module filters, and after ozone concentration sensor 8 and PID controller match successfully, the pilot lamp of bluetooth module top will keep the state of always brightening, and the suggestion connection is accomplished, and ozone concentration detector can send the ozone concentration value to the PID controller this moment.
On the basis of the above embodiment, the ozone generating assembly 4 includes an ozone power supply and an ozone generator, and the ozone power supply supplies electric power to the ozone generator so that the ozone generator generates ozone.
The ozone power supply supplies power to the ozone generator, the ozone generator generates an alternating high-voltage electric field when being electrified to enable oxygen-containing gas to generate corona discharge, and high-energy electrons in the corona ionize oxygen molecules to form oxygen atoms and combine the oxygen atoms with the oxygen molecules to form ozone molecules to generate ozone.
On the basis of the above-described embodiment, the voltage or frequency of the ozone generator is controlled based on the control signal, thereby adjusting the ozone generation amount of the ozone generator.
The control signal is a digital signal, the digital signal is converted by a D/a conversion circuit to obtain an analog quantity, and the voltage or frequency of the ozone generator is controlled based on the analog quantity to adjust the ozone generation amount of the ozone generator.
Further, the ozone generating assembly further comprises a frequency converter, and the frequency converter is used for changing the voltage or the frequency of the ozone generator according to the control signal.
The control signal is a digital signal, the digital signal is converted by a D/a conversion circuit to obtain an analog quantity, and the frequency converter controls the voltage or frequency of the ozone generator according to the analog quantity, thereby adjusting the ozone generation amount of the ozone generator.
On the basis of the embodiment, the sterilizing device capable of automatically adjusting the concentration of ozone further comprises a shell, the shell is provided with an air outlet, and the ozone generating assembly is arranged inside the shell.
It should be noted that both the ozone power supply and the ozone generator are located inside the housing, and the ozone generated by the ozone generator is delivered to the area to be disinfected through the air outlet. Wherein, in order to facilitate the diffusion of ozone, the air outlet can be a latticed air outlet.
On the basis of the above embodiment, the air outlet on the casing is fixedly provided with the air direction adjusting plate 7.
It should be noted that the wind direction adjusting plate 7 can adjust the flow direction of the ozone according to the requirement, so as to improve the utilization rate of the ozone.
On the basis of the above embodiment, the sterilizing device capable of automatically adjusting the concentration of ozone further comprises a fan 5, wherein the fan 5 is arranged in the shell, and the fan 5 is used for conveying ozone generated by the ozone generation assembly to the air outlet.
It should be noted that the fan 5 is disposed between the air outlet and the ozone outlet of the ozone generator, and under the action of the fan 5, the diffusion of ozone is driven, that is, the ozone throughput at the air outlet in unit time is increased, so as to increase the disinfection efficiency.
On the basis of the above embodiment, the casing includes the upper chamber body 3 and the lower chamber body 6 that can dismantle the connection, and the air outlet is located the upper chamber body 3, and ozone power and ozone generator all are located lower chamber body 6.
It should be noted that the wind direction adjusting plate 7 is located at the air outlet of the upper chamber body 3, the fan 5 is fixedly arranged at the junction of the upper chamber body 3 and the lower chamber body 6, and the ozone outlet of the ozone generator faces the fan 5. Wherein the fan 5 may be an axial fan.
It will be appreciated that in order to protect the various components within the upper and lower enclosures 3, 6, a protective cover 2 is provided on the upper enclosure 3 to prevent damage to the internal components.
On the basis of the above embodiment, the sterilizing apparatus for automatically adjusting the concentration of ozone further comprises a suspension rod 1, and one end of the suspension rod 1 is detachably connected with the upper cabin body 3.
It should be noted that, in order to place the disinfection device, ozone of being convenient for from top to bottom diffuses, improves the diffusion scope, is equipped with jib 1 on the upper chamber body 3, and the other end of jib 1 is used for being connected with the external world, that is to say, the other end of jib 1 is equipped with connecting portion, and this connecting portion can be for magnetic part, paste one kind in a piece and the crotch.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A sterilizing unit for automatically adjusting the concentration of ozone, comprising: the ozone generator comprises an ozone generating assembly, an ozone concentration detector and a PID controller;
the ozone concentration detector is used for acquiring ozone concentration values around the disinfection device; the ozone generating assembly is used for generating ozone;
the PID controller is in communication connection with the ozone concentration detector and is used for comparing the ozone concentration value with a preset ozone concentration value to obtain a difference value, and the difference value is used as an input quantity of the PID controller, so that a control signal is obtained, and the ozone generation quantity of the ozone generation assembly is adjusted based on the control signal.
2. The disinfection apparatus for automatically adjusting the concentration of ozone as claimed in claim 1, further comprising a bluetooth module, wherein the ozone concentration detector sends the ozone concentration value to the PID controller via the bluetooth module.
3. The self-adjusting ozone concentration sterilization device of claim 1, wherein the ozone generating assembly includes an ozone power source and an ozone generator, the ozone power source providing electrical power to the ozone generator to cause the ozone generator to generate ozone.
4. The sterilization apparatus for automatically adjusting ozone concentration according to claim 3, wherein the voltage or frequency of the ozone generator is controlled based on the control signal, thereby adjusting the ozone generation amount of the ozone generator.
5. The self-adjusting ozone concentration sanitizer according to claim 4, wherein the ozone generator module further comprises a frequency converter for varying the voltage or frequency of the ozone generator in accordance with the control signal.
6. The automatic ozone concentration adjusting disinfection apparatus of any one of claims 1 to 5, further comprising a housing having an air outlet, wherein the ozone generating assembly is disposed inside the housing.
7. The automatic ozone concentration adjusting disinfection apparatus of claim 6, wherein a wind direction adjusting plate is fixedly installed at the air outlet of the housing.
8. The automatic ozone concentration adjusting disinfection device of claim 6, further comprising a fan disposed inside the housing, wherein the fan is used for conveying ozone generated by the ozone generating assembly to the air outlet.
9. The apparatus as claimed in claim 6, wherein the housing comprises an upper chamber and a lower chamber, the air outlet is disposed in the upper chamber, and the ozone generator is disposed in the lower chamber.
10. The automatic ozone concentration adjusting disinfection apparatus of claim 9, further comprising a boom, wherein one end of the boom is detachably connected to the upper chamber body.
CN202110111242.8A 2021-01-27 2021-01-27 Automatic adjust degassing unit of ozone concentration Pending CN112826965A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113467529A (en) * 2021-05-25 2021-10-01 北京农业信息技术研究中心 Greenhouse ozone accurate control method and device based on multi-model fusion
CN113791650A (en) * 2021-08-16 2021-12-14 北京农业信息技术研究中心 Method and system for adjusting ozone concentration
CN114967774A (en) * 2022-05-11 2022-08-30 江西林博能源环保有限公司 Ozone concentration control system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113467529A (en) * 2021-05-25 2021-10-01 北京农业信息技术研究中心 Greenhouse ozone accurate control method and device based on multi-model fusion
CN113791650A (en) * 2021-08-16 2021-12-14 北京农业信息技术研究中心 Method and system for adjusting ozone concentration
CN113791650B (en) * 2021-08-16 2023-12-22 北京农业信息技术研究中心 Ozone concentration adjusting method and system
CN114967774A (en) * 2022-05-11 2022-08-30 江西林博能源环保有限公司 Ozone concentration control system and method

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