WO2022156017A1 - Système de commande et de régulation intelligent pour des paramètres d'air dans une chambre d'usinage à la flamme - Google Patents

Système de commande et de régulation intelligent pour des paramètres d'air dans une chambre d'usinage à la flamme Download PDF

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Publication number
WO2022156017A1
WO2022156017A1 PCT/CN2021/076900 CN2021076900W WO2022156017A1 WO 2022156017 A1 WO2022156017 A1 WO 2022156017A1 CN 2021076900 W CN2021076900 W CN 2021076900W WO 2022156017 A1 WO2022156017 A1 WO 2022156017A1
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WIPO (PCT)
Prior art keywords
air
indoor
data
unit
parameters
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PCT/CN2021/076900
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English (en)
Chinese (zh)
Inventor
顾永明
秦一川
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宁波云德半导体材料有限公司
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Publication of WO2022156017A1 publication Critical patent/WO2022156017A1/fr

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
    • G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means

Definitions

  • the invention belongs to the technical field of quartz processing, and in particular relates to an intelligent control system for indoor air parameters of fire processing.
  • Fire processing is a process of quartz production, and fire processing is generally completed in a fire processing room. Since the fire processing room has high requirements for indoor environmental parameters, it is generally necessary to control the indoor parameters such as inlet and outlet air flow, temperature, dust particles, etc., to keep them within a certain range. The indoor parameters of the existing fire processing room are controlled and detected manually, which is time-consuming and labor-intensive, and there are certain errors. The accuracy of the indoor parameters cannot be guaranteed, which affects the yield of quartz fire processing.
  • the purpose of the present invention is to solve the problems in the prior art, and proposes an intelligent control system for indoor air parameters of fire processing, which can stabilize the indoor environment of fire processing, realize intelligent control of temperature, dust particles and in-out flow in the fire processing room, and improve the Quartz fire processing yield.
  • the present invention proposes an intelligent control system for air parameters in a thermal processing room, including a thermal processing room, a refrigerator, an intelligent terminal and a dust removal device.
  • the thermal processing room is provided with an air inlet and an air outlet.
  • the ends of the air duct and the air outlet duct are respectively connected with an inlet fan and an outlet fan, a temperature sensor and a dust particle sensor are arranged inside the fire processing chamber, and the dust removal device and the refrigerator are respectively connected with the fire processing chamber by two-way flow pipes.
  • a closed-loop dust removal circuit and a closed-loop refrigeration circuit are formed between the dust removal device and the fire processing chamber, and between the refrigerator and the fire processing chamber, respectively.
  • the air inlet and outlet pipes are provided with flow sensors, and the intelligent terminal can be pre-configured.
  • Set indoor air parameters and store the corresponding preset indoor parameter values.
  • the smart terminal is connected to the temperature sensor, dust particle sensor, and flow sensor to obtain the corresponding indoor parameter detection data.
  • the smart terminal can detect the preset indoor air parameter values and indoor parameters.
  • the data is analyzed and compared, and a control signal is output to one or more of the refrigerator, the inlet fan, the outlet fan and the dust removal device, so that the indoor parameter detection data reaches the preset value of the indoor air parameter, and the indoor air parameter includes the temperature value, dust particles value, inlet air flow value, and air inlet and outlet air flow difference.
  • the smart terminal includes a display unit, a data input unit, a data storage unit, a data processing unit, and a data output unit, and the data processing unit is connected to the display unit, the data input unit, the data storage unit, and the data output unit and performs information exchange.
  • the data storage unit can store the preset values of indoor air parameters
  • the data input unit is used to obtain the indoor parameter detection data of the temperature sensor, dust particle sensor and flow sensor and transmit it to the data processing unit
  • the data processing The unit can obtain the preset value of indoor air parameters and compare and analyze it with the indoor parameter detection data, and then output a control signal to the data output unit
  • the data processing unit can transmit the preset value of indoor parameters set on the display unit.
  • the data processing unit can transmit the indoor parameter detection data to the display unit, and the data output unit transmits the control signal to the inlet fan, the outlet fan, the refrigerator and the dust removal device to control their working states, so
  • the display unit can display the preset value of indoor air parameters and the detection value of indoor parameters, and the intelligent terminal integrates data storage, analysis and processing and output control functions, which is conducive to the realization of the overall intelligent control of the system with high control accuracy.
  • a filter screen is installed on the air inlet duct, the intelligent terminal is connected to an alarm, and the alarm alarm can prompt the user to replace the filter screen.
  • both the air inlet duct and the air outlet duct are provided with regulating valves, the regulating valve can effectively adjust the ventilation volume in the air inlet duct and the air outlet duct, and the opening of the regulating valve can be accurately adjusted, which is conducive to further precise adjustment and control of the fire. Temperature and dust particles in the processing room.
  • a pressure sensor is provided inside the fire processing chamber, and the pressure sensor is connected to the intelligent terminal.
  • the indoor air parameters also include pressure, so that the pressure in the fire processing chamber can also be adjusted to a stable range.
  • the display unit includes a display screen.
  • the intelligent terminal further includes a communication unit, the communication unit is connected with the data processing unit and performs information exchange, the communication unit can exchange information with the server through a transmission protocol, and the server and the user can exchange information. Information exchange is carried out through the transmission protocol, which is convenient for users to remotely know the operation status.
  • the user terminal includes a computer terminal or a mobile phone terminal.
  • the inlet fan and the outlet fan are both variable frequency fans.
  • the temperature sensor, flow sensor and dust particle sensor can monitor the temperature, inlet and outlet air flow and dust particles in the fire processing room in real time, and the intelligent terminal can detect the data and the preset value of the indoor air parameter according to the indoor air parameter.
  • the difference value dynamically controls the working state of the refrigerator, the air inlet, the air outlet and the dust removal device, so that the temperature, dust particles and the flow in and out of the fire processing room can be intelligently controlled, so as to ensure the stability of the indoor environment of the fire processing and improve the yield rate of the quartz fire processing. .
  • FIG. 1 is a schematic structural diagram of an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the working principle of an embodiment of the present invention.
  • Fig. 3 is a partial structural schematic diagram of an embodiment of the present invention.
  • FIG. 4 is a schematic flowchart of a control method according to an embodiment of the present invention.
  • the present embodiment provides an intelligent control system for air parameters in a thermal processing chamber, including a thermal processing chamber 1, a refrigerator 2, an intelligent terminal 5 and a dust removal device 6.
  • a thermal processing chamber 1 On the thermal processing chamber 1 An air inlet duct 11 and an air outlet duct 12 are provided, and the ends of the air inlet duct 11 and the air outlet duct 12 are respectively connected with an inlet fan 3 and an outlet fan 4, and a temperature sensor 13 and a dust particle sensor 14 are arranged inside the thermal processing chamber 1
  • the dust removal device 6 and the refrigerator 2 are respectively connected with the thermal processing chamber 1 by two-way flow pipes, so that a closed-loop dust removal circuit and a closed-loop refrigeration circuit are formed between the dust removal device 6 and the thermal processing chamber 1, and between the refrigerator 2 and the thermal processing chamber 1, respectively.
  • the air inlet duct 11 and the air outlet duct 12 are provided with a flow sensor 7, the smart terminal 5 can preset indoor air parameters and store the corresponding indoor parameter preset values, and the smart terminal 5 is connected to the temperature sensor 13, dust particle sensor 14, The flow sensor 7 is connected to obtain the corresponding indoor parameter detection data.
  • the intelligent terminal 5 can analyze and compare the indoor air parameter preset value and the indoor parameter detection data, and output control signals to the refrigerator 2, the inlet fan 3, the outlet fan 4 and the dust removal.
  • One or more of the devices 6 make the indoor parameter detection data reach the preset value of the indoor air parameter, and the indoor air parameter includes the temperature value, the dust particle value, the air inlet flow value, and the difference between the air inlet and outlet air flow, wherein the inlet fan 3 and the outlet fan 4 are variable frequency fans.
  • the intelligent terminal 5 includes a display unit, a data input unit, a data storage unit, a data processing unit, and a data output unit.
  • the data processing unit is connected with the display unit, the data input unit, the data storage unit, and the data output unit and performs information interaction.
  • the data storage unit The preset value of indoor air parameters can be stored, and the data input unit is used to obtain the indoor parameter detection data generated by the monitoring of the temperature sensor 13, the dust particle sensor 14 and the flow sensor 7 and transmit it to the data processing unit, which can retrieve the indoor parameter detection data.
  • the air parameter preset value is compared and analyzed with the indoor parameter detection data, and a control signal is output to the data output unit.
  • the data processing unit can transmit the indoor parameter preset value set on the display unit to the data storage unit.
  • the data processing unit can transmit the indoor parameter detection data to the display unit, and the data output unit transmits the control signal to the inlet fan 3, the outlet fan 4, the refrigerator 2 and the dust removal device 6 to control their working states, and the display unit can display The preset value of the indoor air parameter and the detected value of the indoor parameter, wherein the display unit includes a display screen, and the display screen is a touch screen.
  • a filter screen is installed on the air inlet duct 11, and the intelligent terminal 5 is connected to the alarm.
  • Both the air inlet duct 11 and the air outlet duct 12 are provided with a regulating valve 8, and the regulating valve 8 is an electric control valve.
  • a pressure sensor is provided inside the fire processing chamber 1, the pressure sensor is connected to the intelligent terminal 5, and the indoor air parameters also include pressure.
  • the intelligent terminal 5 also includes a communication unit.
  • the communication unit is connected to the data processing unit and performs information exchange.
  • the communication unit can exchange information with the server through a transmission protocol.
  • the terminal includes the computer terminal or the mobile terminal.
  • the use method of the intelligent control system of the indoor air parameters of the fire processing includes the following steps:
  • S100 Set the preset values of indoor air parameters, and operate the inlet fan and the outlet fan according to the first frequency range, wherein the preset values of indoor air parameters are set on the display unit, and the data storage unit stores the preset values of indoor air parameters and the preset temperature.
  • the value is 34°C
  • the preset value of dust particles is 100,000
  • the preset value of inlet air flow is 12m 3 /h ⁇ m 3
  • the preset value of inlet and outlet air flow difference is 2m 3 /h ⁇ m 3 ;
  • the flow sensor on the air inlet duct and the flow sensor on the air outlet duct detect the air inlet flow and the air outlet flow respectively, and transmit the detected air inlet flow and outlet flow to the data processing unit through the data input unit;
  • the data processing unit compares and judges the detected data of the intake air flow with the preset value of the intake air flow, and if the detected data of the intake air flow is less than the preset value of the intake air flow, execute S103, otherwise, execute S105;
  • the data processing unit outputs an alarm control signal to the alarm, and the alarm prompts the operator to replace the filter;
  • the data processing unit compares and judges ⁇ T 1 with the preset value of the difference in air inlet and outlet air flow. If ⁇ T 1 ⁇ 2, execute S107; otherwise, execute S108;
  • the data processing unit outputs the control signal to the inlet fan and the outlet fan through the data output unit, adjusts the inlet fan and the outlet fan to operate within the second frequency range, and then executes S105;
  • the temperature sensor detects the temperature in the fire processing room, and transmits the indoor temperature detection data to the data processing unit through the data input unit;
  • the data processing unit compares and judges the indoor temperature detection data and the temperature preset value, if the indoor temperature detection data is higher than the temperature preset value, execute S110; otherwise, execute S111;
  • the data processing unit outputs a control signal to the refrigerator, the inlet fan and the outlet fan through the data output unit, the refrigerator runs for a first preset time, adjusts the inlet fan and the outlet fan to operate within a third frequency range, and then executes S108;
  • the dust particle sensor detects the number of dust particles in the fire processing room, and transmits the indoor dust particle detection data to the data processing unit through the data input unit;
  • the data processing unit compares and judges the indoor dust particle detection data and the dust particle preset value, if the indoor dust particle detection data is greater than the dust particle preset value, execute S113, otherwise, end;
  • the data processing unit outputs a control signal to the dust removal device through the data output unit, the dust removal device operates for a second preset time, and then executes S111.
  • the second preset time and the first preset time can be set on the display unit on the smart terminal, the ventilation volume on the air inlet duct and the air outlet duct can be adjusted to a certain extent through the regulating valve, and the opening of the regulating valve can be adjusted through the data
  • the processing unit is regulated.
  • the display unit can set a pressure preset value
  • the indoor pressure can be detected by the pressure sensor
  • the data processing unit can obtain the indoor pressure detection data through the data input unit and compare it with the pressure preset value.
  • the control signal is output to the inlet fan and the outlet fan, and the frequency of the inlet fan and the outlet fan and the opening of the regulating valve on the inlet and outlet ducts are adjusted to make the indoor pressure data equal to the preset pressure value.
  • the closer the indoor pressure data is to the pressure preset value the smaller the adjustment of the opening degree of the regulating valve.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Ventilation (AREA)
  • Air Conditioning Control Device (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

La présente divulgation concerne un système de commande et de régulation intelligent pour des paramètres d'air dans une chambre d'usinage à la flamme (1), le système comprenant la chambre d'usinage à la flamme (1), une machine de réfrigération (2), un terminal intelligent (5) et un appareil d'élimination de poussière (6). La chambre d'usinage à la flamme (1) est pourvue d'un conduit d'admission d'air (11) et d'un conduit de sortie d'air (12), qui sont chacun pourvus d'un capteur de circulation (7). Un capteur de température (13) et un capteur de particules de poussière (14) sont disposés à l'intérieur de la chambre d'usinage à la flamme (1). L'appareil d'élimination de poussière (6) et la machine de réfrigération (2) sont reliés à la chambre d'usinage à la flamme (1) pour former une boucle fermée d'élimination de poussière et une boucle de réfrigération fermée. Le terminal intelligent (5) peut prédéfinir des paramètres d'air intérieur et stocker des valeurs prédéfinies de paramètres d'intérieur correspondantes. Le terminal intelligent (5) peut acquérir des données de mesure de paramètres d'intérieur correspondantes des capteurs et commander la machine de réfrigération (2), un ventilateur d'admission d'air (3), un ventilateur de sortie d'air (4) et l'appareil d'élimination de poussière (6) pour qu'ils fonctionnent, de façon à faire atteindre aux données de mesure de paramètres d'intérieur les valeurs prédéfinies de paramètres d'air intérieur.
PCT/CN2021/076900 2021-01-22 2021-02-19 Système de commande et de régulation intelligent pour des paramètres d'air dans une chambre d'usinage à la flamme WO2022156017A1 (fr)

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CN202110088220.4 2021-01-22
CN202110088220.4A CN112925366B (zh) 2021-01-22 2021-01-22 一种火加工室内空气参数的智能调控系统

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Citations (7)

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JP2002162083A (ja) * 2000-11-27 2002-06-07 Matsushita Seiko Co Ltd 換気調湿システム
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CN109857176A (zh) * 2019-02-26 2019-06-07 苏州洪昇新能源科技有限公司 一种洁净室环境检测智能控制系统
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CN203886867U (zh) * 2014-02-26 2014-10-22 汇隆电子（金华）有限公司 一种石英晶体吹洗装置
CN104965548A (zh) * 2015-05-15 2015-10-07 苏州经贸职业技术学院 一种洁净室温湿度测控装置
CN209829825U (zh) * 2019-04-30 2019-12-24 东海县奥博石英制品有限公司 一种石英加工用除尘装置
CN212051120U (zh) * 2020-01-06 2020-12-01 广东华兴玻璃股份有限公司 一种玻璃退火炉自动调温系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002162083A (ja) * 2000-11-27 2002-06-07 Matsushita Seiko Co Ltd 換気調湿システム
KR20150040164A (ko) * 2013-10-04 2015-04-14 이복상 자연친화적 가습 제습 복합기
CN106288169A (zh) * 2016-08-11 2017-01-04 合肥通用电源设备有限公司 一种基于空气质量的空调调控系统及方法
CN108870572A (zh) * 2017-05-09 2018-11-23 中国移动通信有限公司研究院 一种机房温度调节系统和方法
CN107943173A (zh) * 2017-12-08 2018-04-20 东莞市升微机电设备科技有限公司 一种简易预处理室
CN208983510U (zh) * 2018-10-12 2019-06-14 广州宁净环境科技有限公司 一种智能型节能无尘车间
CN109857176A (zh) * 2019-02-26 2019-06-07 苏州洪昇新能源科技有限公司 一种洁净室环境检测智能控制系统

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