CN107036247A - Air curtain automatic control system - Google Patents
Air curtain automatic control system Download PDFInfo
- Publication number
- CN107036247A CN107036247A CN201710284374.4A CN201710284374A CN107036247A CN 107036247 A CN107036247 A CN 107036247A CN 201710284374 A CN201710284374 A CN 201710284374A CN 107036247 A CN107036247 A CN 107036247A
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- Prior art keywords
- air curtain
- microwave remote
- control system
- automatic control
- remote sensor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- 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
- F24F9/00—Use of air currents for screening, e.g. air curtains
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A kind of air curtain automatic control system, it includes air curtain, distribution box, two or more microwave remote sensor and two or more control element；The air curtain, microwave remote sensor and control element couple with distribution box respectively；Described two above microwave remote sensors are attached to air curtain by control element independently of one another.The air curtain automatic control system of the present invention high can be precisely controlled the switch of air curtain, realize real intellectuality, save the energy；And effectively isolation pollutant enters, it is adaptable to which purification requires higher place.
Description
Technical field
The present invention relates to air curtain control technology field, specially a kind of air curtain automatic control system.
Background technology
Air curtain is installed on above the doorways such as freezer, operating room and household, starts the machine, and air curtain produces the gas of high speed
Stream, is divided into two independent temperature regions by indoor and outdoor and creates comfortable indoor environment, keeps room conditioning and purifies the effect of air
Really, while saving electric energy, and air circulation is made, is effectively isolated dust, flue gas, foul smell, insect and microorganism etc..Prevent cold
(warm) gas outflows, and saves the air gate that electricity consumption is persistently formed, can effectively prevent cold (warm) gas from leaking, electricity consumption is saved, by indoor and outdoor
It is divided into two independent temperature regions.
Chinese patent 201520051635.4 discloses a kind of automatic air curtain control system, and the technology is：Air curtain is pacified
On doorframe, metal derby is installed on door head, the correspondence position of the metal derby on doorframe with being installed on door head, which is provided with, to be connect
Nearly switch, the air curtain is connected on motor automatic control distribution box by proximity switch.Air curtain is operated during enabling, at closing time wind
Curtain machine stops operating.However, the technology only directly controls the switch of air curtain with the switch of door, if complete by personnel's moment
Action into switch gate is got in, and air curtain also has not enough time to operating in the moment that personnel open door have been stopped, such a feelings
Condition air curtain does not play a role, it is impossible to effective to prevent outdoor air, dust, the entrance of mosquito.
Chinese patent 201020525811.0 discloses a kind of air curtain of energy automatic switch, and the technology is coupled by relay
Key switch, key switch connection air curtain motor, it is characterised in that：Described relay concatenates connection on power circuit to be had
Photoelectric switch.Using said structure, a very important person walks the induction zone in photoelectric switch, and photoelectric switch is electrically energized
To relay, relay closure is powered and give air curtain motor, air curtain is started working；When people enters behind the door, optoelectronic switch is left
After the induction zone of device, optoelectronic switch resets, and disconnects the electric current of relay, and air curtain motor is just stopped.But, it is such a
Using photoelectric switch control air curtain switch control mode there is limitation, i.e., ought have foreign matter block optoelectronic switch or
When having the goods to be placed on photoelectric area sensor, air curtain will be operated always, cause energy waste.
Chinese patent 201320610022.0 discloses a kind of infrared induction air curtain.This is technically characterized in that：Building
It is provided with the outside of the blowing region that body air outlet is corresponded on wall on the outside of automatically-controlled door, automatically-controlled door and is provided with control automatically
First infra-red sensor switch of door；The second infra-red sensor switch of control automatically-controlled door is provided with described body, it is described
The second infra-red sensor switch induction region be arranged at body air outlet dry region inner side, the first described infrared ray
Inductive switch and the second infra-red sensor switch are connected with body.The deficiency that the technology is present is：Infrared inductor is special
Do not disturbed by various thermals source, light source not easily.Especially when external environment condition and human body temperature are close, detection and sensitivity are bright
It is aobvious to decline, failure in short-term is caused sometimes, causes air curtain to open by mistake or do not start situation appearance.
The places such as medicine cool place storehouse, pharmaceutical production people from workshop inflow entrance need strict control insect, dust to enter, and use
Air curtain described in prior art or air curtain control system, it is impossible to ensure the entrance of the outdoor pollutant of effectively isolation.Therefore, need badly
Exploitation is a kind of can effectively to completely cut off the air curtain automatic control system of outdoor pollutant.
The content of the invention
In consideration of it, the present invention provides a kind of air curtain automatic control system, to solve the above mentioned problem of prior art presence.
Specifically, the present invention provides a kind of air curtain automatic control system, and it includes air curtain, distribution box, two or more
Microwave remote sensor and two or more control element；
The air curtain, microwave remote sensor and control element couple with distribution box respectively, for air curtain, microwave sensing
Device and control element are powered；
Described two above microwave remote sensors are attached to air curtain by control element independently of one another.In use, each
Microwave remote sensor can send induced signal to control element respectively, and on/off control element supplies power off to air curtain,
Realize the ON/OFF of the respective independent control air curtain of each microwave remote sensor.
Selection of the present invention to control element has no particular limits, and can normally receive what the microwave remote sensor was sent
Induced signal, it is preferable that the control element is relay, single-chip microcomputer or PLC, more preferably relay.
Preferably, microwave remote sensor automatic control system of the present invention also includes switching device, and the air curtain passes through
Switching device is attached to distribution box, and switching device and microwave remote sensor parallel connection on circuit.
What the switching device was used to detecting door is turned on and off situation, in use, door beats opening/closing, switching device is closed
Conjunction/unlatching, makes distribution box supply power off to air curtain, realizes that switching device individually controls the ON/OFF of air curtain.
Selection of the present invention to switching device has no particular limits, and can normally detect door is turned on and off situation i.e.
Can, it is preferable that the switching device is travel switch or proximity switch, it is highly preferred that the switching device is travel switch.
Present invention air curtain automatic control system described above, it is characterised in that also including controller, described microwave
Sensor and described switching device via line are connected in control box.
Present invention air curtain automatic control system described above, it is characterised in that described distribution box includes transformation
Device, system is powered using AC 220V, is exported through system transformer to DC 24V, is that microwave remote sensor is powered in system.
Present invention air curtain automatic control system described above, wherein the microwave remote sensor, which sends electric wave, detects thing
When body is moved, microwave remote sensor output closure signal controls the control element closure, opens air curtain.
Beneficial effect
Air curtain automatic control system of the present invention, air curtain automatic control system of the present invention is positioned over when there is object
During the induction zone of middle microwave remote sensor, air curtain is automatically turned on, and realizes that air curtain is opened in advance before door unlatching, effectively isolation
Pollutant enter, be purification require high field institute ideal chose, and only object at the beginning have move in the case of, air curtain
Machine is opening, once object occurs without mobile status, air curtain is out of service, relative to various wind disclosed in prior art
Curtain machine or air curtain control system, air curtain automatic control system of the invention open by mistake situation about opening in the absence of air curtain, can
Realize that height is precisely controlled the switch of air curtain, realize real intellectuality, save the energy.
Air curtain automatic control system of the present invention, using microwave remote sensor with opening dynamic for induction door or closing
Travel switch associated with control mode.When the microwave remote sensor in automatic control system has not detected mobile object,
And when switching device detects the door unlatching at place in automatic control system, automatic control system equally controls air curtain one to head straight for
Open, it is ensured that Cleanliness, more safely and effectively.
Air curtain automatic control system of the present invention, has used two microwave remote sensors, all could when personnel pass in and out
Open system in advance.Higher place is required for purification, can be realized and opened in advance using the system, effectively reduction pollutant enters
The effect entered.Using dual control form, when the door where system is opened, but when not detected mobile object again, air curtain
Machine is always on opening, it is ensured that Cleanliness, relative to general control mode, more safely and effectively.
Embodiment
Below by way of embodiment, the present invention will be described.Although the present invention is explained by these embodiments
State and illustrate, but the invention is not limited in these embodiments.The present invention covers invention model defined in appended claims
Enclose interior all modifications and equivalents.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the present invention, numerous details are given in embodiment below.
It will be appreciated by those skilled in the art that without these details, the present invention can equally be implemented.For those skilled in the art
Well known element and circuit are not described in detail, and it does not influence to understand the present invention and implement.
In following specific embodiment, air curtain automatic control system includes air curtain, distribution box, two microwaves and passed
Sensor, two relays and travel switch.On circuit, air curtain, microwave remote sensor and relay couple with distribution box respectively；
Two microwave remote sensors are attached to air curtain by a relay independently of one another；Air curtain is connected to by travel switch matches somebody with somebody
Electronic box, and in circuit upper stroke switch and microwave remote sensor parallel connection.
In installation, air curtain is installed on outdoor doorframe, and two microwave remote sensors are respectively arranged under outdoor air curtain
With on indoor doorframe, the big I in microwave sensor sensing region is realized by tilting the angle of microwave remote sensor.Stroke is opened
Connection is connected between air curtain 220V power supplys and air curtain motor L lines, is installed on according to the opening direction of door on doorframe.Microwave is passed
Sensor, travel switch via line are connected in wall control box.
Described microwave remote sensor uses 10.525GHZ microwave sensing module, and strong antijamming capability, tranmitting frequency is high,
Sensing speed is fast and senses sensitive.
Microwave remote sensor relevant parameter is：Complete 12 ° -20 ° of light beam, 3.5 ° -1.5 ° of side beam (5 sections).Step-by-step counting 1,2,
3rd, 4 pulses are adjustable.Induction sensitivity can adjust, and have sensing knob to be adjusted.120 ° of angle of radiation level, vertical 80 °.It is minimum
Detection speed 5cm/s.
1st, microwave remote sensor control air curtain is opened and closed：
System can be powered using AC 220V, become through transformer in distribution box and be depressed into DC 24V outputs, be two in system
Microwave remote sensor and two relays are powered.When microwave remote sensor, which sends electric wave, detects object movement, microwave remote sensor is defeated
Go out closure signal control relay (220V is controlled using 24V) closure, air curtain is opened, when microwave remote sensor is not detected by object
When mobile, microwave remote sensor output open signal control relay disconnects, and closes air curtain.
2nd, travel switch control air curtain is opened and closed：
Air curtain motor L lines are connected to distribution box by travel switch.When the door is open, travel switch is closed, distribution box
Powered for air curtain, open air curtain.
In use, when the induction region for having human body (indoor and outdoor) to be moved to microwave remote sensor, microwave remote sensor passes through sense
The change of emitting radio waves and human motion reflection wave is answered to output signals to the unlatching of control system auxiliary reclay with closing
Close, so that the open and close of control system air curtain.In addition, when door is constantly in open mode, stroke in system
Switch closure, air curtain starts.
In the air curtain automatic control system of the present invention, microwave remote sensor is respectively adopted and travel switch individually controls air curtain
The unlatching of machine and closure, that is, when realizing microwave detection unlatching and/or door opening, air curtain is constantly in the state of unlatching.
In testing below, the opposite opened door size that the door used is made for plastic-steel material is 1900mmX1500X50mm
(the high wide X thickness of X), doorframe thickness 60mm.Air curtain size is：1500mmX300mmX300mm, model φ 15X150cm, electricity
Press 220v, power 250w.(outdoor) is highly away from ground 2050mm in air curtain installation door.Two microwave sensings used in system
Device, one is installed under air curtain middle part (outdoor), and one is installed on indoor clamshell doors position of center line height and outdoor sensing
Device level is consistent.Travel switch is installed on hold-open door close to split position of center line in system.
Test condition：System microwave remote sensor is adjusted to 4 sections of pulses, sensitivity adjustment is to minimum.Angle of radiation is adjusted
To 45 °, setting height(from bottom) is 2050mm (ground to sensor upper surface), and induction zone is about 2500mmX2000mm.
Test content：
1st, adult male, women and children are with normal leg speed close to induction zone, and enabling gets in/outdoor, observing system
Running situation.
2nd, adult male, women and children's fast approaching induction zone, enabling get in/outdoor, observing system operation feelings
Condition.
3rd, adult male, women and children are at a slow speed close to induction zone, and enabling gets in/outdoor, observing system operation feelings
Condition.
4th, clamshell doors, observing system running situation are opened.
5th, clamshell doors are closed, ready article is put in observing system running situation in induction zone.
Test result：
1st, when adult male, women and the normal leg speed of children one enter to induction zone, in touching to sensing area edge,
Air curtain starts, preventative good, working properly.
2nd, when adult male, women and the quick leg speed of children one enter to induction zone, in touching to sensing area edge,
Air curtain is not actuated, and moment, when being introduced into indoor/outdoor, air curtain started to reaching in the middle part of induction zone, preventative good, work
Make normal.
3rd, adult male, women and children at a slow speed close to induction zone when, touching to sensing area edge when, air curtain is opened
It is dynamic, it is preventative good, it is working properly.
4th, clamshell doors are opened, system stroke switch is opened, and air curtain starts.
5th, close after clamshell doors, when ready goods is stayed in induction zone, the only air curtain incipient when
Machine is rotated, when people leaves air curtain induction region, goods transfixion, is automatically stopped after air curtain operation 1S
Above-mentioned test result, according to actual conditions, the system can effectively work in various test environments, reach preadmission
The working condition that blower fan is opened in advance when entering indoor/outdoor, the entrance of effective Pollution protection thing.
Present invention is illustrated above in association with the preferred embodiment of the present invention.But, the present invention is not limited to above-mentioned
Detail in embodiment, in the range of the technology design of the present invention, can be carried out a variety of to technical scheme
Simple variant, this simple variant belongs to protection scope of the present invention.
Claims (8)
1. a kind of air curtain automatic control system, including air curtain, distribution box, sensor and control element, the air curtain, biography
Sensor and control element couple with distribution box respectively, it is characterised in that described sensor is microwave remote sensor, and with extremely
Few two microwave remote sensors and at least two control elements, described microwave remote sensor are coupled by control element independently of one another
To air curtain.
2. air curtain automatic control system according to claim 1, it is characterised in that the control element be relay,
Single-chip microcomputer or PLC, preferably described control element are relay.
3. the air curtain automatic control system according to any one of claim 1-2, it is characterised in that also including switch dress
Put, the air curtain is attached to distribution box, and switching device and microwave remote sensor parallel connection on circuit by switching device.
4. air curtain automatic control system according to claim 3, it is characterised in that the switching device is travel switch
Or proximity switch, preferably described switching device is travel switch.
5. the air curtain automatic control system according to claim 1-4, it is characterised in that described also including controller
Microwave remote sensor and described switching device via line are connected in control box.
6. the air curtain automatic control system according to claim 1-5, it is characterised in that described distribution box includes
Transformer, system is powered using AC 220V, is exported through system transformer to DC 24V, is that microwave remote sensor is powered in system.
7. the air curtain automatic control system according to claim 1-6, wherein described microwave remote sensor is used
10.525GHZ microwave sensing module.
8. the air curtain automatic control system according to claim 1-7, wherein the microwave remote sensor sends electric wave detection
When being moved to object, microwave remote sensor output closure signal controls the control element closure, opens air curtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284374.4A CN107036247A (en) | 2017-04-27 | 2017-04-27 | Air curtain automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284374.4A CN107036247A (en) | 2017-04-27 | 2017-04-27 | Air curtain automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107036247A true CN107036247A (en) | 2017-08-11 |
Family
ID=59535161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710284374.4A Withdrawn CN107036247A (en) | 2017-04-27 | 2017-04-27 | Air curtain automatic control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107036247A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168035A (en) * | 2017-12-15 | 2018-06-15 | 中国船舶重工集团公司第七〇九研究所 | A kind of control system and its method of work of classroom PM2 points 5 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030116253A1 (en) * | 2000-08-23 | 2003-06-26 | Mullet Willis J. | Method for manufacturing a flexible curtain |
| CN202328993U (en) * | 2011-11-21 | 2012-07-11 | 山东大地肉牛清真食品股份有限公司 | Automatic air curtain device for refrigeration house |
| CN104499871A (en) * | 2014-12-09 | 2015-04-08 | 广西大学 | Intelligent door system and working method thereof |
| CN204421291U (en) * | 2015-01-16 | 2015-06-24 | 国药集团国瑞药业有限公司 | A kind of air curtain automatic control system |
| CN105781319A (en) * | 2016-04-27 | 2016-07-20 | 苏州工业职业技术学院 | Roller shutter door opening control system for air shower |
| CN106322623A (en) * | 2015-06-15 | 2017-01-11 | 梁胜光 | Ventilation system with induction switch |
-
2017
- 2017-04-27 CN CN201710284374.4A patent/CN107036247A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030116253A1 (en) * | 2000-08-23 | 2003-06-26 | Mullet Willis J. | Method for manufacturing a flexible curtain |
| CN202328993U (en) * | 2011-11-21 | 2012-07-11 | 山东大地肉牛清真食品股份有限公司 | Automatic air curtain device for refrigeration house |
| CN104499871A (en) * | 2014-12-09 | 2015-04-08 | 广西大学 | Intelligent door system and working method thereof |
| CN204421291U (en) * | 2015-01-16 | 2015-06-24 | 国药集团国瑞药业有限公司 | A kind of air curtain automatic control system |
| CN106322623A (en) * | 2015-06-15 | 2017-01-11 | 梁胜光 | Ventilation system with induction switch |
| CN105781319A (en) * | 2016-04-27 | 2016-07-20 | 苏州工业职业技术学院 | Roller shutter door opening control system for air shower |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168035A (en) * | 2017-12-15 | 2018-06-15 | 中国船舶重工集团公司第七〇九研究所 | A kind of control system and its method of work of classroom PM2 points 5 |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170811 |
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| WW01 | Invention patent application withdrawn after publication |