CN100408927C - Biologic cleanliness system and pressure control method - Google Patents
Biologic cleanliness system and pressure control method Download PDFInfo
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- CN100408927C CN100408927C CNB2005100496760A CN200510049676A CN100408927C CN 100408927 C CN100408927 C CN 100408927C CN B2005100496760 A CNB2005100496760 A CN B2005100496760A CN 200510049676 A CN200510049676 A CN 200510049676A CN 100408927 C CN100408927 C CN 100408927C
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Abstract
The present invention relates to a biologic cleanliness system and a pressure control method, the biologic cleanliness system is composed of an air purification part, a cleanliness part, a control part and an air exhausting part, wherein the air purification part is connected with the cleanliness part through the control part, and the cleanliness part is connected with the air exhausting part. A pressure sensor, a cleanliness temperature sensor and a cleanliness humidity sensor are installed in the cleanliness part, and a wind speed sensor and an electric valve are installed in the control part. The system has the pressure control method that the cleanliness part collects pressure parameters through the pressure sensor. After the parameters are sent into a CPU to be calculated, the parameters are sent to the control part to lead a biologic area, an auxiliary area and an experimental area in the cleanliness part to achieve relative pressure difference with the outside world. Simultaneously, after wind speed parameters which are collected through the wind speed sensor are sent to the CPU to be calculated, wind rate parameters are obtained. Then, wind rate which is sent to the CPU is controlled according to the times of ventilation of the cleanliness part. The present invention has the advantage of reasonable structural design, the cleanliness level achieves national specification, and energy consumption is saved for 50 percent.
Description
Technical field
The present invention relates to a kind of biologic cleanliness system and compress control method thereof that can carry out biological cleaning.
Background technology
Biologic cleanliness system has dust in the filtered air, bacterium, polluter etc. so that the air cleaning part of the pure air of purification is provided.
In the use of biologic cleanliness system, though because the carbon dioxide etc. that needs closed room, people to breathe generation that purifies the air of a room still can pollute room air.
In the face of these situations, prior art has designed a kind of biologic cleanliness system, thereby this system has the room air of discharge and sucks the ventilation part that fresh outdoor air carries out indoor air-changing.
The mode that this biologic cleanliness system is divided into direct setting air purification function of user and ventilatory again with utilize sensing chamber in the mode of the relevant function of sensor settings of pollutional condition.
First kind of mode, though the user can set the function of wishing, might be because of inappropriate function that user's work mistake be set and the indoor pollution state is irrelevant, and have because must direct control and the shortcoming of making troubles.
The second way has gas sensor that detects gas concentration in the room air in order to carry out biologic cleanliness to turn round and the dust sensor that detects dust concentration in the room air in order to take a breath running, so that by the relevant function of these operating sensors.But, in the process that turns round with ventilatory pattern,, can occur in indoor abundant state of the taking a breath situation of ventilation operation interrupted down that do not have because the response dust sensor carries out the biologic cleanliness running.And, in biologic cleanliness mode operation process, because the running of taking a breath of response gas sensor, can occur in the situation of biologic cleanliness operation interrupted under the state that indoor dust do not purified fully.Its final result is successfully to move relevant operation mode.
Summary of the invention
Technical problem to be solved by this invention provides a kind of biological clean system and compress control method thereof that can keep air cleaning according to room pressure.
The present invention addresses the above problem the technical scheme that is adopted: it partly is made up of air cleaning part, clean part, control section and air draft, the air cleaning part partly links to each other with cleaning by control section, clean part partly links to each other with air draft, and in the cleaning part, pressure sensor, clean temperature sensor and clean humidity sensor are installed, air velocity transducer and electrically operated valve are installed in control section.
The present invention is provided with pressure difference switch, purifies frequency converter, surface cooler and humidifier in the air cleaning part.
The present invention is equipped with control section temperature and humidity sensor in described control section.
The present invention is equipped with the air draft frequency converter in described air draft part.
Clean part of the present invention is divided into biotic division, auxiliary region and test block.
The present invention addresses the above problem another technical scheme that is adopted: a kind of compress control method of above-mentioned biologic cleanliness system, cleaned air passes is sent into clean part, gather pressure parameter in the cleaning part by pressure sensor, after sending into CPU calculating, again this technical parameter is sent into control section, make the biotic division in the clean part, auxiliary region reaches and extraneous relative pressure reduction with the test block, meanwhile, the wind speed parameter that to gather by air velocity transducer, after sending into CPU and calculating the air output parameter, control the air quantity of sending into according to the rate of ventilation of cleaning part again.
When the present invention had deviation at the pressure of cleaning part, the air quantity size of partly discharging by the adjusting air draft made the pressure reduction of clean part meet the requirements of parameter.
The present invention sends into CPU by the temperature sensor parameter of gathering control section and calculates, and the result sends into the input that surface cooler in the air cleaning part is controlled hot and cold water.
The present invention sends into CPU by the humidity sensor parameter of gathering control section and calculates, and the humidifier that the result sends in the air cleaning part is controlled the interior quantity of steam of humidifier.
The present invention compared with prior art has the following advantages: reasonable in design, and control and monitor by the clean sensor-based system of design voluntarily, make clean part reach the cleaniliness classs of national regulation, can reach energy efficient 50%
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a circuit block diagram of the present invention.
Fig. 3 is the pressure control program flow chart of control method of the present invention.
Fig. 4 is the temperature control program flow chart of control method of the present invention.
Fig. 5 is the humidity control program flow chart of control method of the present invention.
The specific embodiment
Below, describe the preferred embodiments of the present invention with reference to the accompanying drawings in detail.
Referring to Fig. 1, the present invention is made up of air cleaning part I, control section II, clean part III and air draft part IV.Air cleaning part I links to each other with clean part III by control section II, and clean part III links to each other with air draft part IV.Clean part III can be divided into biotic division III-1, auxiliary region III-2 and test block III-3.Link to each other by pipeline between the each several part.
Air cleaning part I of the present invention mainly comprises new wind-powered electricity generation movable valve 1, roughing efficiency air filter 2, just imitating pressure difference switch 3 is located on the roughing efficiency air filter 2, surface cooler 4 and humidifier 5 link to each other with pneumoelectric movable valve 15 with water power movable valve 13 among the control section II, purify frequency converter 6, breeze fan 7 and CPU by the continuous (see figure 2) of electric wire, middle effect pressure difference switch 9 is located on the medium effeciency filter 10.Fan outlet 8, control section air inlet 11.
Control section II of the present invention comprises temperature sensor 12, water power movable valve 13, humidity sensor 14, pneumoelectric movable valve 15, air velocity transducer 16,18,20,, biotic division electrically operated valve 19 and auxiliary region electrically operated valve 21, wherein temperature sensor 12 and humidity sensor 14 are installed in the front end of control section II, test block electrically operated valve 17 links to each other with test block III-3 with air velocity transducer 16, air velocity transducer 18 links to each other with biotic division III-2 with biotic division electrically operated valve 19, and air velocity transducer 20 links to each other with auxiliary region III-1 with auxiliary region electrically operated valve 21.
Clean part III of the present invention is by clean temperature sensor 23, clean humidity sensor 24, pressure sensor 25, pressure difference switch 26, high efficiency particulate air filter 22, exhaust door 27, pressure difference switch 26 is installed on the pipeline 28, and clean temperature, humidity sensor 23,24 and pressure sensor 25 and exhaust outlet 27 are installed in auxiliary region III-1, biotic division III-2 and the test block III-3.
Air draft part IV of the present invention comprises air draft roughing efficiency air filter 29, air draft frequency converter 30 and air draft blower fan 31, and wherein air draft frequency converter 30 and air draft blower fan 31 and CPU are by electric wire link to each other (referring to Fig. 2).
Referring to Fig. 2, the present invention guarantees the rate of ventilation of clean part III by setup parameter, when clean part III rate of ventilation and setup parameter have deviation, gather the wind speed parameter by air velocity transducer 16,18,20 and enter CPU calculating air quantity, biotic division electrically operated valve 19 auxiliary region electrically operated valves 21, test block electrically operated valve 17 guarantee that rate of ventilation and setup parameter are complementary.Still deviation is arranged as rate of ventilation, reach setup parameter by regulating purification frequency converter 6 control intakes with setup parameter.
For guaranteeing that deviation appears in room malleation and pressure, enter CPU by pressure sensor 25 acquisition parameters, and calculate by pid algorithm, the result sends into each regional electrically operated valve control and is sent to each regional air quantity.Still deviation is arranged as force value, come setup parameter by regulating air draft frequency converter 30 control draft capacities with setup parameter.
Deviation appears in temperature, enters CPU by temperature sensor 12 acquisition parameters, and calculates by pid algorithm, and the result sends into the inflow of water power movable valve 13 control table coolers 4.
Deviation appears in humidity, enters CPU by humidity sensor 14 acquisition parameters, and calculates by pid algorithm, and the result sends into the air inflow of pneumoelectric movable valve 15 control humidifiers 5.
Referring to Fig. 3 pressure control program flow chart, pressure sensor 25 perception room pressures (32) judge whether indoor actual pressure P1 equates with pressure given value P (33), if then enter equilibrium mode (40); If do not wait, whether the difference of judging indoor actual pressure P1 and pressure given value is between ± 5 (34).Behind the timing 60s (35), judge that pressure whether between ± 5, if then timer makes zero (37), repeats perception room pressure (32), if not, then enter pressure and regulate pattern (38).Judge whether pressure equates (39) with set-point, in this way, enters equilibrium mode (40),, enter pressure and regulate pattern (38) as not.If under equilibrium mode (40), receive running and cease and desist order (41), if not, then enter repetition perception room pressure (32); If then system stops.
Specify pressure below and regulate pattern.Guarantee the rate of ventilation of clean part III by setup parameter, when clean part III rate of ventilation and setup parameter have deviation, gather the wind speed parameter by air velocity transducer 16,18,20 and enter CPU calculating air quantity, biotic division electrically operated valve 19 auxiliary region electrically operated valves 21, test block electrically operated valve 17 guarantee that rate of ventilation and setup parameter are complementary.Still deviation is arranged as rate of ventilation, reach setup parameter by regulating purification frequency converter 6 control intakes with setup parameter.
For guaranteeing that deviation appears in room malleation and pressure, enter CPU by pressure sensor 25 acquisition parameters, and calculate by pid algorithm, the result sends into each regional electrically operated valve control and is sent to each regional air quantity.Still deviation is arranged as force value, come setup parameter by regulating air draft frequency converter 30 control draft capacities with setup parameter.
Referring to Fig. 4 temperature control program flow chart, T represents to fixed temperature, and T1 represents actual temperature.When deviation occurring, do not enter time status, directly enter the adjustment pattern, all the other programs are identical with program circuit among Fig. 3.
Specify the adjustment pattern below.Deviation appears in temperature, enters CPU by temperature sensor 12 acquisition parameters, and calculates by pid algorithm, and the result sends into the inflow of water power movable valve 13 control table coolers 4.
Referring to Fig. 5 humidity control program flow chart, H represents given humidity, and H1 represents actual humidity, and all the other programs are identical with Fig. 4 program circuit.
Specify the humidity regulation pattern below.Deviation appears in humidity, enters CPU by humidity sensor 14 acquisition parameters, and calculates by pid algorithm, and the result sends into the air inflow of pneumoelectric movable valve 15 control humidifiers 5.
Claims (9)
1. biologic cleanliness system, it is characterized in that: it partly is made up of air cleaning part, clean part, control section and air draft, the air cleaning part partly links to each other with cleaning by control section, clean part partly links to each other with air draft, and in the cleaning part, pressure sensor, clean temperature sensor and clean humidity sensor are installed, air velocity transducer and electrically operated valve are installed in control section.
2. biologic cleanliness system according to claim 1 is characterized in that: be provided with pressure difference switch in the air cleaning part, purify frequency converter, surface cooler and humidifier.
3. biologic cleanliness system according to claim 1 is characterized in that: control section temperature and humidity sensor are installed in described control section.
4. biologic cleanliness system according to claim 1 is characterized in that: in described air draft part the air draft frequency converter is installed.
5. biologic cleanliness system according to claim 1 is characterized in that: described clean part is divided into biotic division, auxiliary region and test block.
6. the compress control method of a biologic cleanliness system, it is characterized in that: cleaned air passes is sent into clean part, gather pressure parameter in the cleaning part by pressure sensor, after sending into CPU calculating, again this technical parameter is sent into control section, biotic division, auxiliary region and test block in the clean part are reached and extraneous relative pressure reduction, meanwhile, the wind speed parameter that to gather by air velocity transducer, after sending into CPU and calculating the air output parameter, control the air quantity of sending into according to the rate of ventilation of cleaning part again.
7. compress control method according to claim 6 is characterized in that: when the pressure of cleaning part had deviation, the air quantity size of partly discharging by the adjusting air draft made the pressure reduction of clean part meet the requirements of parameter.
8. compress control method according to claim 6 is characterized in that: send into CPU by the temperature sensor parameter of gathering control section and calculate, the result sends into the input that surface cooler in the air cleaning part is controlled hot and cold water.
9. compress control method according to claim 6 is characterized in that: send into CPU by the humidity sensor parameter of gathering control section and calculate, the humidifier that the result sends in the air cleaning part is controlled the interior quantity of steam of humidifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100496760A CN100408927C (en) | 2005-04-27 | 2005-04-27 | Biologic cleanliness system and pressure control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100496760A CN100408927C (en) | 2005-04-27 | 2005-04-27 | Biologic cleanliness system and pressure control method |
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| Publication Number | Publication Date |
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| CN1727779A CN1727779A (en) | 2006-02-01 |
| CN100408927C true CN100408927C (en) | 2008-08-06 |
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| CNB2005100496760A Expired - Fee Related CN100408927C (en) | 2005-04-27 | 2005-04-27 | Biologic cleanliness system and pressure control method |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914032A (en) * | 2012-11-01 | 2013-02-06 | 江苏海纳空调净化设备有限公司 | Self-controlling variable air volume system of efficient air supply outlet |
| CN104406256A (en) * | 2014-12-10 | 2015-03-11 | 安徽金鑫实验设备科技有限公司 | Laboratory air purification system |
| CN105588302A (en) * | 2015-12-17 | 2016-05-18 | 安徽华盛科技控股股份有限公司 | CIT dead-zone-free rapid pressure regulation system |
| CN106909179A (en) * | 2017-03-13 | 2017-06-30 | 深圳市昶檀实业有限公司 | A kind of large-sized dust free room pressure difference monitoring and method of adjustment |
| CN109268298B (en) * | 2018-08-17 | 2020-04-28 | 佛山市澳霆环境设备制造有限公司 | Intelligent air quantity distribution machine |
| CN109442605A (en) * | 2018-11-06 | 2019-03-08 | 中国船舶重工集团公司第七〇九研究所 | A kind of outer circulation type environmental control system |
| CN111604324A (en) * | 2020-05-15 | 2020-09-01 | 北京北方华创微电子装备有限公司 | Control method of wafer cleaning machine and wafer cleaning machine |
| CN113465073B (en) * | 2021-06-21 | 2023-05-26 | 青岛海尔空调电子有限公司 | Control method of ventilation system and ventilation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243150A (en) * | 1996-03-05 | 1997-09-16 | Sanyo Electric Co Ltd | Hot air type heater with air cleaner |
| CN2396324Y (en) * | 1999-10-26 | 2000-09-13 | 傅俊杰 | Intelligent indoor air auto-purifying regulator |
| CN2784795Y (en) * | 2005-04-27 | 2006-05-31 | 杭州科锐净化工程有限公司 | Biological cleaning system |
-
2005
- 2005-04-27 CN CNB2005100496760A patent/CN100408927C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09243150A (en) * | 1996-03-05 | 1997-09-16 | Sanyo Electric Co Ltd | Hot air type heater with air cleaner |
| CN2396324Y (en) * | 1999-10-26 | 2000-09-13 | 傅俊杰 | Intelligent indoor air auto-purifying regulator |
| CN2784795Y (en) * | 2005-04-27 | 2006-05-31 | 杭州科锐净化工程有限公司 | Biological cleaning system |
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| CN1727779A (en) | 2006-02-01 |
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Granted publication date: 20080806 Termination date: 20140427 |