CN105627526A - Automatic temperature and humidity control device of energy-saving air pretreatment system - Google Patents
Automatic temperature and humidity control device of energy-saving air pretreatment system Download PDFInfo
- Publication number
- CN105627526A CN105627526A CN201610167356.3A CN201610167356A CN105627526A CN 105627526 A CN105627526 A CN 105627526A CN 201610167356 A CN201610167356 A CN 201610167356A CN 105627526 A CN105627526 A CN 105627526A
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- Prior art keywords
- sensor
- variable valve
- control device
- temperature
- controlling box
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
Abstract
The invention discloses an automatic temperature and humidity control device of an energy-saving air pretreatment system. The automatic temperature and humidity control device comprises a contact screen with human-computer interface software; the contact screen is in electric signal connection with a control cabinet based on a PLC control system; a first sensor, a second sensor, a third sensor and a fourth sensor are in electric signal connection with the control cabinet, are used for measuring temperature and humidity values of an air compressor air inlet, a mixer high-temperature air inlet, a mixer low-temperature air inlet and a mixer outlet and are used for transmitting the temperature and humidity values to the control cabinet; and a first regulating valve and a second regulating valve are in electric signal connection with the control cabinet, are used for adjusting flow of the mixer high-temperature air inlet and a second-stage cooling water inlet and are used for transmitting opening values to the control cabinet. According to the automatic temperature and humidity control device, control parameters can be automatically regulated according to climatic variations, automatic temperature and humidity regulation can be achieved, and the defect that in the prior art, the manual adjusting accuracy is low is overcome. The automatic temperature and humidity control device is simple in operation, high in anti-jamming capability and high in control accuracy.
Description
Technical field
The invention belongs to humiture automatic control device, it is specifically related to a kind of energy-saving air pretreatment system humiture automatic control device.
Background technology
In prior art, the cold and hot energy-saving fermentation air pretreatment system of air direct mixing used, mainly comprise: air compressor machine, gas-holder, one-level water cooler, secondary coolers, gas-liquid separator and air mixer, its principle of work is, high temperature air in gas-holder is mixed by air mixer with the Cryogenic air in gas-liquid separator, and then temperature and humidity to final gas regulates.
But the temperature and humidity regulation mode adopted is commonly manual regulation, the main reference mark regulated is high temperature air variable valve and two grades of cooling sea water regulating valves of mixing tank. Owing to adopting manual regulation mode to require higher for skill level and the conscientious degree of operation workman, common people are difficult to accomplish degree accurately, adopt manual shift precision can not reach requirement, now just add the microbiological contamination probability in fermentor tank, after microbiological contamination, easily cause the waste of the energy.
Summary of the invention
The shortcoming that the present invention exists to overcome in prior art proposes, and its objective is to provide a kind of energy-saving air pretreatment system humiture automatic control device.
The present invention realizes by following technical scheme:
A kind of energy-saving air pretreatment system humiture automatic control device, comprise the touch-screen with human interface software, described touch-screen with there is the controlling box electrical signal based on PLC control system be connected, No. I sensor, No. II sensor, No. III sensor, No. IV sensor is connected with controlling box electrical signal respectively, for measuring air compressor air intake mouth, mixing tank high temperature inlet mouth, mixing tank low temperature air inlet mouth, warm and humid angle value is also transferred to controlling box by the warm and humid angle value of mixer outlet, No. I variable valve, No. II variable valve is connected with controlling box electrical signal respectively, for the flow at adjusting mixer high temperature inlet mouth and two grades of entrance of cooling water places and opening value is transferred to controlling box.
Described No. I sensor, No. II sensor, No. III sensor, No. IV sensor are the humiture sensor with 4��20mA output signal.
Described No. I variable valve, No. II variable valve are the PID variable valve with 4��20mA feedback signal.
The present invention of design like this, touch-screen is connected with controlling box electrical signal, controlling box electrical signal is connected with No. I sensor, No. II sensor, No. III sensor, No. IV sensor, electrical signal is adopted also to be connected with No. I variable valve, No. II variable valve with controlling box, such connection structure can realize humiture and automatically regulate, and can according to climate change auto-adjustment control parameter, overcome in prior art, temperature and humidity regulation adopts manual regulation mode, manual operation precision is low, easily cause microbiological contamination, thus cause the deficiency wasting the energy. The immunity from interference of the present invention is strong, control accuracy height, and simple to operate, has saved energy consumption, has met the pretreated every performance index of fermentation air, ensure that construction quality and job schedule.
Accompanying drawing explanation
Fig. 1 is the connection structural representation of the present invention;
Fig. 2 is the controlling box structural representation of the present invention;
Fig. 3 is the schema of the present invention when using.
In figure:
1 touch-screen 2 controlling box
3 No. I sensors, 4 No. II sensors
5 No. III sensors, 6 No. IV sensors
7 No. I variable valve, 8 No. II variable valve.
Embodiment
With reference to the accompanying drawings and embodiment a kind of energy-saving air pretreatment system humiture automatic control device of the present invention is described in detail:
As shown in Figure 1, a kind of energy-saving air pretreatment system humiture automatic control device, comprise the touch-screen 1 with human interface software, described touch-screen 1 with there is controlling box 2 electrical signal based on PLC control system be connected, No. I sensor 3, No. II sensor 4, No. III sensor 5, No. IV sensor 6 is connected with controlling box 2 electrical signal respectively, for measuring air compressor air intake mouth, mixing tank high temperature inlet mouth, mixing tank low temperature air inlet mouth, warm and humid angle value is also transferred to controlling box 2 by the warm and humid angle value of mixer outlet, No. I variable valve 7, No. II variable valve 8 is connected with controlling box 2 electrical signal respectively, for the flow at adjusting mixer high temperature inlet mouth and two grades of entrance of cooling water places and opening value is transferred to controlling box 2.
Touch-screen 1 is can set up the universal touch-screen of communication with PLC control system.
As shown in Figure 2, described controlling box 2 comprises outside housing, inner air switch connects CPU, switch power supply connects PLC control system, PLC control system comprises CPU and the Analog input mModule connected successively, analog output module, digital quantity input module, digital output module, signal isolator is connected with Analog input mModule, and switching push button is connected with digital quantity input module, and digital output module is connected with rly..
Described No. I sensor 3, No. II sensor 4, No. III sensor, 5, No. IV sensor 6 is the humiture sensor with 4��20mA output signal.
Described No. I variable valve 7, No. II variable valve 8 is the PID variable valve with 4��20mA feedback signal.
Described Analog input mModule, analog output module, digital quantity input module, digital output module are prior art, commercially available.
The using method of the present invention is:
As shown in Figure 3, the autocontrol method of a kind of energy-saving air pretreatment system humiture automatic control device, comprises the steps:
(I) pretreatment system is opened
Turning on the power switch, touch-screen 1, controlling box 2, No. I sensor 3, No. II sensor 4, No. III sensor 5, No. IV sensor 6, No. I variable valve, 7, No. II variable valve 8 are all in opened condition, S1;
(II) Atmosphere temp.and RH value is read in
Touch-screen 1 is loaded into presets temperature out value, outlet humidity value, secondary coolers cooling temperature value, and the Atmosphere temp.and RH value of measurement is passed to controlling box 2 by No. I sensor 3, and is displayed on touch-screen 1 in real time by the data of measurement, S2;
(III) variable valve is preset
The warm and humid angle value that controlling box 2 is measured according to No. I sensor 3, carries out preconditioning, S3 by control software design to the aperture of No. I variable valve 7, No. II variable valve 8;
(IV) temperature out value is read in
Opening value is fed back to controlling box 2 by No. I variable valve 7, No. II variable valve 8, and show on touch-screen 1, warm and humid for the pressurized air of measurement angle value is passed to controlling box 2 by No. II sensor 4, No. III sensor, 5, No. IV sensor 6, and is shown in real time by touch-screen 1, S4;
(V) temperature out compares with set(ting)value
The temperature value measured by No. IV sensor 6, as with reference to value, compares with default temperature out value, if temperature out is higher than preset value, detects whether No. I variable valve 7 aperture is minimum value; If temperature out value is lower than preset value, detect whether No. I variable valve 7 aperture is maximum value, S5
Whether (VI) No. I variable valve 7 closes
When temperature out is higher than set(ting)value, if No. I variable valve 7 aperture is minimum value, No. II variable valve 8 is opened, and the aperture of No. II variable valve 8 will be regulated by controlling box 2; If No. I variable valve 7 aperture does not reach minimum value, No. I variable valve 7 cuts out, and the aperture of No. I variable valve 7 will be regulated by controlling box 2, S6;
(VII) No. I variable valve 7 whether standard-sized sheet
When temperature out is lower than set(ting)value, if No. I variable valve 7 aperture is maximum value, controlling box 2 will export low temperature guard signal, and shows on touch-screen 1; If No. I variable valve 7 aperture does not reach maximum value, No. I variable valve 7 is opened, and the aperture of No. I variable valve 7 will be regulated by controlling box 2, S7;
(VIII) outlet humidity value is read in
Warm and humid for the pressurized air of measurement angle value is passed to controlling box 2 by No. IV sensor 6, and is shown in real time by touch-screen 1, S8;
(��) export humidity to compare with set(ting)value
The warm and humid angle value measured by No. IV sensor 6, as with reference to value, compares with default outlet humidity value, if outlet humidity value is higher than preset value, detects whether No. II variable valve 8 aperture is maximum value; If outlet humidity value is lower than preset value, detect whether No. II variable valve 8 aperture does not reach minimum value, S9;
Whether (��) No. II variable valve 8 is opened
When exporting humidity lower than preset value, if No. II variable valve 8 aperture does not reach minimum value, No. II variable valve 8 cuts out, and the aperture of No. II variable valve 8 will be regulated by controlling box 2; If No. II variable valve 8 aperture is minimum value, returns step S4 and again read in next group temperature out value, S10;
(��) No. II variable valve 8 whether standard-sized sheet
When exporting humidity higher than preset value, if No. II variable valve 8 aperture is maximum value; Controlling box 2 will export high wet guard signal, and shows on touch-screen 1; If No. II variable valve 8 aperture does not reach maximum value, No. II variable valve 8 is opened, and the aperture of No. II variable valve 8 will be regulated by controlling box 2, returns step S4 and again reads in next group temperature out value, S11.
Touch-screen is connected by the present invention with controlling box electrical signal, controlling box electrical signal is connected with four sensors and two variable valve, Atmosphere temp.and RH is carried out monitor in real time, it is achieved humiture regulates automatically, climate change auto-adjustment control parameter, overcome in prior art, temperature and humidity regulation adopt manually regulative mode time, the precision of operation is low, it is easy to cause the deficiency of energy dissipation, the present invention is simple to operate, energy efficient.
Claims (3)
1. an energy-saving air pretreatment system humiture automatic control device, comprise the touch-screen (1) with human interface software, it is characterized in that: the controlling box based on PLC control system (2) electrical signal is connected described touch-screen (1) with having, No. I sensor (3), No. II sensor (4), No. III sensor (5), No. IV sensor (6) is connected with controlling box (2) electrical signal respectively, for measuring air compressor air intake mouth, mixing tank high temperature inlet mouth, mixing tank low temperature air inlet mouth, warm and humid angle value is also transferred to controlling box (2) by the warm and humid angle value of mixer outlet, No. I variable valve (7), No. II variable valve (8) is connected with controlling box (2) electrical signal respectively, for the flow at adjusting mixer high temperature inlet mouth and two grades of entrance of cooling water places and opening value is transferred to controlling box (2).
2. energy-saving air pretreatment system humiture automatic control device according to claim 1, it is characterised in that: described No. I sensor (3), No. II sensor (4), No. III sensor (5), No. IV sensor (6) are the humiture sensor with 4��20mA output signal.
3. energy-saving air pretreatment system humiture automatic control device according to claim 1, it is characterised in that: described No. I variable valve (7), No. II variable valve (8) are the PID variable valve with 4��20mA feedback signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167356.3A CN105627526A (en) | 2016-03-23 | 2016-03-23 | Automatic temperature and humidity control device of energy-saving air pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167356.3A CN105627526A (en) | 2016-03-23 | 2016-03-23 | Automatic temperature and humidity control device of energy-saving air pretreatment system |
Publications (1)
| Publication Number | Publication Date |
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| CN105627526A true CN105627526A (en) | 2016-06-01 |
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ID=56042695
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167356.3A Pending CN105627526A (en) | 2016-03-23 | 2016-03-23 | Automatic temperature and humidity control device of energy-saving air pretreatment system |
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Citations (16)
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| US5558274A (en) * | 1995-03-24 | 1996-09-24 | Johnson Service Company | Dual duct control system |
| US7156317B1 (en) * | 2004-09-09 | 2007-01-02 | Braeburn Systems Llc | Recirculating fan thermostat |
| GB2438638A (en) * | 2006-03-07 | 2007-12-05 | Andrew William Woods | Low energy ventilation system |
| CN201534046U (en) * | 2009-05-19 | 2010-07-28 | 陆飞浩 | Fermentation air pretreatment system |
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| CN202021019U (en) * | 2011-03-24 | 2011-11-02 | 牡丹江佰佳信生物科技有限公司 | Hot and cold compressed air mixing system for compressor |
| CN202403347U (en) * | 2011-12-19 | 2012-08-29 | 东南大学 | Air treatment device |
| CN103676897A (en) * | 2013-12-23 | 2014-03-26 | 南京交通职业技术学院 | Automated management system for waiting places |
| CN203586485U (en) * | 2013-11-01 | 2014-05-07 | 浙江中烟工业有限责任公司 | Return air cooling energy-saving device of central air conditioner |
| CN204043085U (en) * | 2014-05-22 | 2014-12-24 | 厦门烟草工业有限责任公司 | The combined air-conditioning system of the semi-independent control of a kind of humiture |
| JP2015007484A (en) * | 2013-06-24 | 2015-01-15 | 株式会社三菱地所設計 | Air conditioning system |
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| CN105066286A (en) * | 2015-09-03 | 2015-11-18 | 刘雄 | Air processing device and control method |
| CN105115738A (en) * | 2015-09-22 | 2015-12-02 | 上海佐竹冷热控制技术有限公司 | Performance test system and performance test method for top-mounted air-conditioning system |
| CN105349413A (en) * | 2015-11-03 | 2016-02-24 | 湖北民族学院 | Vertical solid fermentation system |
| CN205505305U (en) * | 2016-03-23 | 2016-08-24 | 核工业理化工程研究院华核新技术开发公司 | Energy -conserving air pretreatment systems humiture automatic control device |
-
2016
- 2016-03-23 CN CN201610167356.3A patent/CN105627526A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5558274A (en) * | 1995-03-24 | 1996-09-24 | Johnson Service Company | Dual duct control system |
| US7156317B1 (en) * | 2004-09-09 | 2007-01-02 | Braeburn Systems Llc | Recirculating fan thermostat |
| GB2438638A (en) * | 2006-03-07 | 2007-12-05 | Andrew William Woods | Low energy ventilation system |
| CN201534046U (en) * | 2009-05-19 | 2010-07-28 | 陆飞浩 | Fermentation air pretreatment system |
| CN101893294A (en) * | 2010-07-09 | 2010-11-24 | 邹杰 | Central air-conditioning system |
| CN202021019U (en) * | 2011-03-24 | 2011-11-02 | 牡丹江佰佳信生物科技有限公司 | Hot and cold compressed air mixing system for compressor |
| CN202403347U (en) * | 2011-12-19 | 2012-08-29 | 东南大学 | Air treatment device |
| JP2015007484A (en) * | 2013-06-24 | 2015-01-15 | 株式会社三菱地所設計 | Air conditioning system |
| CN203586485U (en) * | 2013-11-01 | 2014-05-07 | 浙江中烟工业有限责任公司 | Return air cooling energy-saving device of central air conditioner |
| CN103676897A (en) * | 2013-12-23 | 2014-03-26 | 南京交通职业技术学院 | Automated management system for waiting places |
| CN204043085U (en) * | 2014-05-22 | 2014-12-24 | 厦门烟草工业有限责任公司 | The combined air-conditioning system of the semi-independent control of a kind of humiture |
| CN104390320A (en) * | 2014-11-18 | 2015-03-04 | 苏州市海魄洁净环境工程有限公司 | Clean room temperature and humidity automatic control device |
| CN105066286A (en) * | 2015-09-03 | 2015-11-18 | 刘雄 | Air processing device and control method |
| CN105115738A (en) * | 2015-09-22 | 2015-12-02 | 上海佐竹冷热控制技术有限公司 | Performance test system and performance test method for top-mounted air-conditioning system |
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| CB02 | Change of applicant information |
Address after: The 300384 Tianjin City Huayuan Industrial Zone Development Road six No. 6 Haitai green industry base building J room 104 Applicant after: China core (Tianjin) New Technology Development Co., Ltd. Address before: 300384 Tianjin hi tech District of Xiqing City Huayuan Industrial Zone Development six road No. 6 Haitai green industry base building J room 104 Applicant before: Huahe New Technology Development Company, Research Institute of Physical and Chemical Engineering of Nuclear Industry |
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Application publication date: 20160601 |
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