CN104456870B - Fresh air and return air adjusting method and device for air-conditioning systems - Google Patents
Fresh air and return air adjusting method and device for air-conditioning systems Download PDFInfo
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- CN104456870B CN104456870B CN201410757255.2A CN201410757255A CN104456870B CN 104456870 B CN104456870 B CN 104456870B CN 201410757255 A CN201410757255 A CN 201410757255A CN 104456870 B CN104456870 B CN 104456870B
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- air
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a fresh air and return air adjusting device for air-conditioning systems. The fresh air and return air adjusting device comprises a return air pipeline, a fresh air pipeline and a corresponding return air and fresh air ratio control device. The fresh air and return air adjusting device is characterized by further comprising a detecting unit disposed on the return air pipeline and the fresh air pipeline, and the detecting unit comprises a bypass pipe, a lower half pipe, a PM2.5 adhesive film, an electromagnet, a tray, a balance lever, a position switch and the like. The invention further discloses a fresh air and return air adjusting method. According to the method, the fresh air and return air adjusting device is used to judge a difference of concentrations of particles in the return air pipeline and the fresh air pipeline, and air volumes of the return air pipeline and the fresh air pipeline are adjusted according to the difference. The fresh air and return air adjusting device and method has the advantages that the concentrations of absorbable particles in the fresh air pipeline and the return air pipeline in the air-conditioning system can be well detected and judged, the fresh air and return air ratio can be controlled according to a detection result, power consumption of the air-conditioning system is reduced, and indoor air quality is improved.
Description
Technical field
The present invention relates to air pollutants monitoring technical field；More particularly to a kind of can be according to the phase of indoor and outdoor air
Quality is adjusted with the apparatus and method of centralized air-conditioning new return air ratio.
Background technology
Propulsion with process of industrialization and the raising of people's living standard, environmental problem especially air quality problems day
Benefit causes the concern of people.Simultaneously because air quality is continuous worsening, air quality receives significant attention, and people locate for a long time
In IAQ (indoor air quality) be even more the most important thing.And pellet is huge to health injury in all multi-pollutants,
Control room air inspirable particle concentration to be in level of security to be significant.
Be required to use central air conditioner system in a lot of places such as office space or market at present, its use centralized in
Centre air conditioning system is sent into indoor air and is made up of two parts.The first is directly referred to as fresh air from the air of outdoor introducing, its
In energy resource consumption can be caused to the heat and wet treatment of fresh air.Its two be originally present in interior air be referred to as return air, wherein return
Wind circulation can cause the persistent accumulation of gas pollutant.Most of central air-conditioning system fresh airs of currently using and return air amount
Ratio does not account for fresh air return air in the design phase it has been determined that total air output can only be changed according to the difference of thermic load
The impact to air-supply quality for the difference of inspirable particle concentration, more to improve air-supply matter not over changing new return air ratio
Amount.Part novel air conditioning system covets air-supply quality, many purification means and cleaning equipment is used in combination with, ignores
Reasonable utilization to return air, which greatly enhances equipment investment cost, blower fan operating load and heat exchanger loads, increased
The difficulty of operation maintenance and input, inadequate economical and energy saving.
Therefore, design one kind and can improve inspirable particle concentration and knot in room air under daily life standard
The simple low cost of structure, reasonable utilization return air control the ratio of new return air, reduce while effectively improving indoor air quality
The adjusting means of unnecessary energy resource consumption and method, have long-range application prospect and practical significance.
Content of the invention
For above-mentioned the deficiencies in the prior art, the technical problem to be solved is: how to provide one kind can be very
Detect well and judge inspirable particle concentration in fresh air pipeline and return air duct in air conditioning system so as to can be according to detection
Result regulates and controls fresh air return air ratio, and then reduces air conditioning system power consumption, improves the air of IAQ (indoor air quality)
Return air control method and device.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of air return air regulating device, including return air duct and fresh air pipeline and corresponding return air fresh air
It is characterised in that also including the detection means being arranged on return air duct and fresh air pipeline, described detection fills ratio regulation device
Put, including two consistent bypass pipes being arranged in parallel respectively on return air duct with fresh air pipeline, two bypass pipe interpositions
Install and be equipped with particulate collection mechanism, described particulate collection mechanism includes being embedded at bypass pipe lower surface opening and forms one
The lower tube half of the semi-barrel shape of body, lower tube half is obtained for ferromagnetic metal and middle part is vertically fixedly installed a cranse upwards, hoop
Loop diameter and bypass bore coupling, are provided with pm2.5 adhesive film, are provided with electromagnetism above the corresponding bypass pipe of cranse in cranse
Ferrum, electric magnet energising after act on lower tube half can be picked up so that lower tube half complete embedding with bypass pipe lower surface opening
If being each correspondingly arranged on a pallet below the lower tube half of two bypass pipes, after electric magnet power-off, lower tube half can drop to
In corresponding pallet, two pallets are located at respectively and are correspondingly arranged on a position below the two ends of a balanced lever and pallet and open
Close, position switch and return air fresh air proportion regulation device are associated.
The invention also discloses a kind of air return air control method is it is characterised in that first within air-conditioning systems
Adjusting means as above is installed, particle content concentration in return air duct and fresh air pipeline is judged using this adjusting means
Difference, then adjusts the ventilation of return air duct and fresh air pipeline, the wherein high pipeline of particle content concentration according to this difference
Middle reduction ventilation or closing ventilation, improve ventilation in the low pipeline of particle content concentration.
Specifically, this control method is mainly the use process of said apparatus.When it uses, return air duct and fresh air
Distinguished and admirable in pipeline collects pm2.5 content by the pm2.5 adhesive film in cranse through bypass pipe, after collecting a period of time, controls
Electric magnet power-off so that the lower tube half in two bypass pipes each falls under gravity in the corresponding pallet in lower section, when
When return air duct is different with solid particulate matter content in fresh air pipeline, corresponding pm2.5 adhesive film varies in weight so that balance bar
Bar disequilibrium, the pallet of heavier side declines and triggers the corresponding position switch in lower section, position switch and return air fresh air proportion
Regulation device is associated so that the ventilation being corresponded in pipeline is lowered or closes.So it is achieved that regulation,
Improve IAQ (indoor air quality), and indirectly reduce air conditioning system power consumption.
As optimization, the arrival end of described bypass pipe and/or the port of export are provided with Electric air valve.During use, start simultaneously
Stop after Electric air valve same time in two bypass pipes, then control electric magnet outage detection.So can better ensure that
The aeration status of two bypass pipes can be controlled so as to aeration status are identical, and then ensure testing result reliability.
As optimization, described bypass pipe includes entrance, interlude and the docking of outlet section three segment pipe and constitutes, described granule
Thing collecting mechanism is arranged on interlude, and entrance is additionally provided with the pre-treatment knot for adsorption moisture and bulky grain solid
Structure.So, the installation of the internal each self-structure of the convenient bypass pipe of three stage structure and replacing, pre-treatment structure can avoid water
Divide and the interference to testing result for the bulky grain solid, improve detection accuracy.
Further, described pre-treatment structure includes the silica gel damp-proof layer being attached on inner-walls of duct, is arranged on silica gel and prevents
The desiccant grid of damp layer rear pipeline enclosure, and the pm10 filter membrane being arranged in the pipeline of desiccant grid rear.So, silica gel is prevented
Damp layer can be with initial absorption moisture, and desiccant cell structure by taking whole radial section and can be filled with the wave of desiccant
Shape metallic grid obtains, and can absorb moisture further, pm10 filter membrane be arranged at rear it can be avoided that affected by moisture it is ensured that
Pre-treatment effect.
As optimization, also include auxiliary reset mechanism, described auxiliary reset mechanism includes being arranged at the corresponding side of lower tube half
Coiling above siphunculus, coiling is wound with bracing wire, and coiling is connected with coiling electric motor and coiling electric motor can be leaned on to drive
Coiling, bracing wire lower end is connected on lower tube half or cranse.So, after detection finishes, lower tube half leans on the same of electric magnet reset
When, by auxiliary reset mechanism auxiliary reset, it is possible to increase reset accuracy, detection next time can be waited after reset to adjust and to use.
In addition, after arranging this auxiliary reset mechanism, in electric magnet power-off, coiling electric motor can be controlled to drive coiling simultaneously or in advance
Unwrapping wire is to avoid the interference that bracing wire is dropped to lower tube half.
As optimization, in detection means, also include timer, timer is connected with electric magnet and position switch and is used for
The time that record electric magnet triggers down to position switch, timer and return air fresh air proportion regulation device are associated.So, by
When in return air duct and fresh air pipeline, particle concentration content is inconsistent, in two bypass pipes when device can be led to use
The particulate matter weight that pm2.5 adhesive film is collected is inconsistent, leads to lower tube half latter two pallet weight that drops inconsistent, works as weight
When difference is bigger, balanced lever velocity of rotation is faster, therefore timer can detect the time size that position switch is triggered
Diversity, and then reflect the difference of particle concentration size in corresponding pipeline, and then can according to concentration difference more
Accurately the ratio of return air duct and the ventilation of fresh air pipeline is adjusted, so can realize more preferable regulating effect.
As optimization, described lower tube half or bypass pipe lower surface open circumferential are provided with a circle sealing rubber.So,
Sealing effectiveness can be improved when lower tube half is fitted together to, and then avoid the impact that accuracy of detection is caused of losing heart.
As optimization, resilient cushion is set in described pallet.This way it is possible to avoid impact when lower tube half drops right
The impact that testing result causes, simultaneously cushion can preferably fix lower tube half drop position avoid dropping after mobile dislocation and
Impact resets.
As optimization, the return air that described return air fresh air proportion regulation device includes being correspondingly arranged in return air duct controls wind
Machine, and it is correspondingly arranged in the Xingfeng capsule blower fan of fresh air pipeline.As such, it is possible to convenient regulation controls.
So, compared with the air conditioning system being fixed value with very widely used today new return air amount ratio, the present invention rationally may be used
Become the new return air amount in ground regulation and control air conditioning system, reduce the quantity delivered of pellet heavy contamination one side's air source, improve
The air quality of air-conditioning, meets the requirement of the growing indoor air quality of people and life comfort level, simultaneously
The workload of air-conditioning heat exchanger can be greatly reduced when fresh air is seriously polluted thus improving when return air amount reduces resh air requirement, reducing
The power consumption energy saving of refrigeration (hot).Compared with the existing equipment using complicated purification techniques means process particulate matter,
The present invention efficiently reduces pellet content in room air by the ratio regulating and controlling fresh air and return air amount, exists simultaneously
On the basis of not increasing blower fan and heat exchanger duty, reduce equipment investment cost, alleviate the day-to-day operation dimension such as cleaning replacing
The difficulty of shield.Just invention itself, uses lever principle in Concentration Testing part and carrys out the new return air particulate matter of qualitative reflection
The size of concentration, because traditional central air-conditioning system there is no need the concrete concentration value that high accuracy accurately measures particulate matter, therefore
This technology avoids the problem that high precision measuring instrument is easily damaged while substantially reducing installation cost, makes this device more
It is suitable for normal domestic, expand audient face it is easy to promote the use of on a large scale；Additionally, the automaticity of this device is higher, just
In operation and recycling.
In sum, the present invention has and can detect well and judge in fresh air pipeline and return air duct in air conditioning system
Inspirable particle concentration, and then fresh air return air ratio can be regulated and controled according to testing result, reduce air conditioning system power consumption, carry
The advantage of high IAQ (indoor air quality).
Brief description
Fig. 1 is the structure schematic diagram of the adjusting means of the present invention.In figure arrow represents wind direction.
Fig. 2 is the structural representation of an independent bypass tube portion in Fig. 1.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Air return air regulating device in this specific embodiment, structure as depicted in figs. 1 and 2, including return
Wind pipeline 1 and fresh air pipeline 2 and corresponding return air fresh air proportion regulation device, also include being arranged on return air duct 1 and fresh air
Detection means on pipeline 2, described detection means, including two one be arranged in parallel respectively on return air duct and fresh air pipeline
The bypass pipe causing, two bypass pipe centre positions are provided with particulate collection mechanism, and described particulate collection mechanism includes being embedded
At bypass pipe lower surface opening and shape all-in-one-piece semi-barrel shape lower tube half 52, lower tube half 52 for ferromagnetic metal be obtained and in
Portion is vertically fixedly installed a cranse 521, cranse diameter and bypass bore coupling upwards, is provided with pm2.5 and glues in cranse
Membrane 522, is provided with electric magnet 513, acting on lower tube half 52 after electric magnet 513 energising can above the corresponding bypass pipe of cranse
Picked up so that lower tube half completes and being embedded of bypass pipe lower surface opening, each corresponded to below the lower tube half of two bypass pipes
It is provided with a pallet 7, after electric magnet 513 power-off, lower tube half 52 can drop in corresponding pallet 7, two pallet 7 positions respectively
It is correspondingly arranged on a position switch 9, position switch and return air new wind ratio in the two ends of a balanced lever 10 and below pallet
Example regulation device is associated.
The invention also discloses a kind of air return air control method, it is characterized by, first within air-conditioning systems
Adjusting means as above is installed, particle content concentration in return air duct and fresh air pipeline is judged using this adjusting means
Difference, then adjusts the ventilation of return air duct and fresh air pipeline, the wherein high pipeline of particle content concentration according to this difference
Middle reduction ventilation or closing ventilation, improve ventilation in the low pipeline of particle content concentration.Specifically, this regulation side
Method is mainly the use process of said apparatus.When it uses, distinguished and admirable in return air duct and fresh air pipeline, through bypass pipe, leans on
Pm2.5 adhesive film in cranse collects pm2.5 content, after collecting a period of time, controls electric magnet power-off so that two bypass pipes
In lower tube half each fall under gravity in the corresponding pallet in lower section, when solid in return air duct and fresh air pipeline
When grain thing content is different, corresponding pm2.5 adhesive film varies in weight so that balanced lever disequilibrium, the pallet of heavier side
Decline and trigger the corresponding position switch in lower section, position switch and return air fresh air proportion regulation device are associated, and make
The ventilation in pipeline must be corresponded to be lowered or close.So it is achieved that regulation, improve IAQ (indoor air quality), and indirectly
Ground reduces air conditioning system power consumption.
When above-mentioned adjusting means is implemented, the arrival end of described bypass pipe and/or the port of export are provided with Electric air valve 3.Use
When, stop after starting the Electric air valve same time in two bypass pipes simultaneously, then control electric magnet outage detection.So permissible
Better ensure that the aeration status of two bypass pipes can be controlled so as to aeration status are identical, and then ensure testing result
Reliability.
When above-mentioned adjusting means is implemented, described bypass pipe includes entrance 4, interlude 5 and the docking of outlet section 6 three segment pipe
Constitute, described particulate collection mechanism is arranged on interlude 5, entrance 6 is additionally provided with for adsorption moisture and bulky grain
The pre-treatment structure of solid.So, the installation of the internal each self-structure of the convenient bypass pipe of three stage structure and replacing, pre-treatment
Structure can avoid the interference to testing result of moisture and bulky grain solid, improves detection accuracy.
When above-mentioned adjusting means is implemented, described pre-treatment structure includes the silica gel damp-proof layer 41 being attached on inner-walls of duct,
It is arranged on the desiccant grid 42 of silica gel damp-proof layer 41 rear pipeline enclosure, and the pm10 being arranged in the pipeline of desiccant grid rear
Filter membrane 43.So, silica gel damp-proof layer can with initial absorption moisture, desiccant cell structure can by take whole radial section and
The corrugated metal grid being filled with desiccant obtains, and can preferably absorb moisture further, and pm10 filter membrane is arranged at rear
It can be avoided that affected it is ensured that pre-treatment effect by moisture.
When above-mentioned adjusting means is implemented, also include auxiliary reset mechanism, described auxiliary reset mechanism includes being arranged at lower half
Manage the coiling 514 above corresponding bypass pipe, coiling 514 is wound with bracing wire 515, coiling 514 and coiling electric motor phase
Connect and can lean on coiling electric motor to drive coiling, bracing wire 515 lower end is connected on lower tube half or cranse.So, finish in detection
Afterwards, while lower tube half leans on electric magnet to reset, by auxiliary reset mechanism auxiliary reset, it is possible to increase reset accuracy, after reset
Detection next time can be waited to adjust use.In addition, after arranging this auxiliary reset mechanism, in electric magnet power-off, can simultaneously or
Coiling electric motor is controlled to drive coiling unwrapping wire to avoid the interference that bracing wire is dropped to lower tube half in advance.
When above-mentioned adjusting means is implemented, in detection means, also include timer 512, timer 512 and electric magnet 513 and
Position switch is connected and is used for recording the time that electric magnet triggers down to position switch, timer 512 and return air fresh air proportion
Regulation device is associated.So, due to, when particle concentration content is inconsistent in return air duct and fresh air pipeline, device can be led to
The particulate matter weight that in two bypass pipes during use, pm2.5 adhesive film is collected is inconsistent, and latter two holds in the palm to lead to lower tube half to drop
Disk weight is inconsistent, and when weight difference is bigger, balanced lever velocity of rotation is faster, therefore timer can detect position switch
The diversity of the time size being triggered, and then reflect the difference of particle concentration size in corresponding pipeline, and then can root
More accurately the ratio of return air duct and the ventilation of fresh air pipeline is adjusted according to concentration difference, so can be real
Now more preferable regulating effect.When being embodied as, described timer 512, electric magnet 513 and coiling 514 are installed in bypass pipe
In one mounting box 511 of top, installed with facilitating and protect.
When above-mentioned adjusting means is implemented, described lower tube half or bypass pipe lower surface open circumferential are provided with a circle sealing and use
Rubber 516.As such, it is possible to improve sealing effectiveness when lower tube half is fitted together to, and then avoid the shadow that accuracy of detection is caused that loses heart
Ring.
When above-mentioned adjusting means is implemented, in described pallet 7, resilient cushion 8 is set.This way it is possible to avoid lower tube half
Impact that testing result is caused is impacted, cushion can preferably be fixed lower tube half position of dropping and avoid dropping simultaneously when dropping
Move dislocation afterwards and affect to reset.
When above-mentioned adjusting means is implemented, described return air fresh air proportion regulation device includes being correspondingly arranged in returning of return air duct
Air control blower fan, and it is correspondingly arranged in the Xingfeng capsule blower fan of fresh air pipeline.As such, it is possible to convenient regulation controls.
In sum, the present invention has and can detect well and judge in fresh air pipeline and return air duct in air conditioning system
Inspirable particle concentration, and then fresh air return air ratio can be regulated and controled according to testing result, reduce air conditioning system power consumption, carry
The advantage of high IAQ (indoor air quality).
Claims (10)
1. a kind of air return air regulating device, including return air duct and fresh air pipeline and corresponding return air new wind ratio
It is characterised in that also including the detection means being arranged on return air duct and fresh air pipeline, described detection fills example regulation device
Put, including two consistent bypass pipes being arranged in parallel respectively on return air duct and fresh air pipeline, two bypass pipe interpositions
Install and be equipped with particulate collection mechanism, described particulate collection mechanism includes being embedded at bypass pipe lower surface opening and forms one
The lower tube half of the semi-barrel shape of body, lower tube half is obtained for ferromagnetic metal and middle part is vertically fixedly installed a cranse upwards, hoop
Loop diameter and bypass bore coupling, are provided with pm2.5 adhesive film, are provided with electromagnetism above the corresponding bypass pipe of cranse in cranse
Ferrum, electric magnet energising after act on lower tube half can be picked up so that lower tube half complete embedding with bypass pipe lower surface opening
If being each correspondingly arranged on a pallet below the lower tube half of two bypass pipes, after electric magnet power-off, lower tube half can drop to
In corresponding pallet, two pallets are located at respectively and are correspondingly arranged on a position below the two ends of a balanced lever and pallet and open
Close, position switch and return air fresh air proportion regulation device are associated.
2. air return air regulating device as claimed in claim 1 is it is characterised in that the arrival end of described bypass pipe
And/or the port of export is provided with Electric air valve.
3. air return air regulating device as claimed in claim 1 is it is characterised in that described bypass pipe includes entrance
Section, interlude and the docking of outlet section three segment pipe are constituted, and described particulate collection mechanism is arranged on interlude, on entrance also
It is provided with the pre-treatment structure for adsorption moisture and bulky grain solid.
4. air return air regulating device as claimed in claim 3 is it is characterised in that described pre-treatment structure includes
It is attached to the silica gel damp-proof layer on inner-walls of duct, be arranged on the desiccant grid of silica gel damp-proof layer rear pipeline enclosure, and be arranged on
Pm10 filter membrane in the pipeline of desiccant grid rear.
5. air return air regulating device as claimed in claim 1 is it is characterised in that also include auxiliary reset machine
Structure, described auxiliary reset mechanism includes being arranged at the coiling above the corresponding bypass pipe of lower tube half, coiling is wound with and draws
Line, coiling is connected with coiling electric motor and coiling electric motor can be leaned on to drive coiling, and bracing wire lower end is connected to lower tube half or cranse
On.
6. air return air regulating device as claimed in claim 5 is it is characterised in that also include in detection means counting
When device, timer is connected with electric magnet and position switch and is used for recording the time that electric magnet triggers down to position switch,
Timer and return air fresh air proportion regulation device are associated.
7. air return air regulating device as claimed in claim 1 is it is characterised in that described lower tube half or bypass
Pipe lower surface open circumferential is provided with a circle sealing rubber.
8. air return air regulating device as claimed in claim 1 is it is characterised in that be provided with bullet in described pallet
The cushion of property.
9. air return air regulating device as claimed in claim 1 is it is characterised in that described return air fresh air proportion is adjusted
The return air that control device includes being correspondingly arranged in return air duct controls blower fan, and the Xingfeng capsule wind being correspondingly arranged in fresh air pipeline
Machine.
10. a kind of air return air control method is it is characterised in that first install such as claim 1 within air-conditioning systems
Adjusting means any one of to 9, judges particle content in return air duct and fresh air pipeline using this adjusting means
Concentration difference, then adjusts the ventilation of return air duct and fresh air pipeline according to this difference, and wherein particle content concentration is high
Reduce ventilation in pipeline or close ventilation, in the low pipeline of particle content concentration, improve ventilation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757255.2A CN104456870B (en) | 2014-12-11 | 2014-12-11 | Fresh air and return air adjusting method and device for air-conditioning systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757255.2A CN104456870B (en) | 2014-12-11 | 2014-12-11 | Fresh air and return air adjusting method and device for air-conditioning systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456870A CN104456870A (en) | 2015-03-25 |
| CN104456870B true CN104456870B (en) | 2017-01-25 |
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| CN201410757255.2A Expired - Fee Related CN104456870B (en) | 2014-12-11 | 2014-12-11 | Fresh air and return air adjusting method and device for air-conditioning systems |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105823162A (en) * | 2016-04-28 | 2016-08-03 | 苏州大学 | Air-conditioning and purifying device |
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| CN203379993U (en) * | 2013-06-13 | 2014-01-08 | 东莞市宇洁新材料有限公司 | Air purifying additional device of wall-mounted air conditioner |
| CN103673223A (en) * | 2013-12-02 | 2014-03-26 | 重庆大学 | Air supply quality early warning based fresh air system and intelligent control method thereof |
| CN203941085U (en) * | 2014-05-14 | 2014-11-12 | 苏州元泰自动化科技有限公司 | A kind of fine particle measurement mechanism |
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