CN101225989A - Wave type supply air system - Google Patents
Wave type supply air system Download PDFInfo
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- CN101225989A CN101225989A CNA2008100173503A CN200810017350A CN101225989A CN 101225989 A CN101225989 A CN 101225989A CN A2008100173503 A CNA2008100173503 A CN A2008100173503A CN 200810017350 A CN200810017350 A CN 200810017350A CN 101225989 A CN101225989 A CN 101225989A
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Abstract
The invention discloses a wave-type air supply system comprising a blast pipe (4) and an air pipe (14); the blast pipe is connected with a branch blast pipe (5); an air supply valve (6) is arranged at the branch blast pipe (6). The wave-type air supply system is characterized in that the branch blast pipe (5) is connected with a wave-type air supply device (7) which can pulsate and thus supply air. The wave-type air supply system has the advantages that the air supply system can produce pulsating airflow with changing intensity; thus people feel pleasantly cool instead of feeling boring in a stable airflow; the air supply system can ensure a equivalent temperature and at the same time save energy.
Description
Technical field
The present invention relates to a kind of supply air system, particularly a kind of Wave type supply air system.The present invention is applicable to indoor air-supply.Undaform air-supply arrangement among the present invention also is applicable in other ventilating system.
Background technology
The comfortableness of air-conditioning is the result of thermal comfort, oxygen content, smell, noise and air pollution aspect combined influence, wherein parameters such as the relative humidity of human sense of comfort and air, gas flow temperature, air velocity size and amplitude are closely related, and are also relevant with people's habits and customs, physique, labour intensity etc.The comfortableness of original air-conditioning system is only considered under the situation of stable air-supply, wind speed, temperature and humidity change the influence to human sense of comfort, the comfortableness requirement of satisfying indoor occupant at the unified temperature of indoor pursuit and air supply velocity, but in actual motion, can not satisfy all personnel's comfortableness requirement well.Practice in recent years and discovering: under the constant prerequisite of other condition, not only the size of wind speed influences people's comfort, and the frequency of wind speed, amplitude are also influential to comfort.Carried out extensive studies about people's the thermal comfort sense and the relation of space air motion since 1981, outside the gentle flow path direction of the equal speed of degasification levelling, the fluctuation of flowing plays a part very big, and the vibration frequency of room air-flow has become the factor that can not ignore to the influence of people's thermal comfort sense.In addition because the defective of traditional air-conditioning system own, indoor air flow is organized unreasonable or resh air requirement is not enough, the polluter of indoor generation (gas) can not be discharged timely and effectively, cause indoor air quality to descend, influence the healthy of indoor occupant, and this influence is particularly evident in modern office building, produced air conditioner comprehensive illness etc., this type of problem is also receiving the concern of society.Therefore, effectively the air-conditioning supply air system is to improve the key point of indoor occupant comfortableness and air quality.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of Wave type supply air system is provided, and this supply air system can produce at times strong and at other times weak pulse pneumatic can give wind sense nicely, and then eliminates the air-flow feeling of heaviness that stable air-supply is brought; Simultaneously guarantee under the constant prerequisite of the equivalent temperature that requires, this supply air system can be energy-conservation.
Be achieved in that a kind of Wave type supply air system for solving the problems of the technologies described above the present invention, comprise ajutage (4), exhaust duct (14), described ajutage (4) is connected with blowpipe (5), blow valve (6) is installed on the described blowpipe (5), it is characterized in that: described blowpipe (5) is connected with undaform air-supply arrangement (7), and undaform air-supply arrangement (7) can produce the pulsation air-supply.
Described undaform air-supply arrangement (7) comprises outer deflector (8) and interior deflector (9), and described outer deflector (8) is fixed on the framework of undaform air-supply arrangement (7), and described outer deflector (8) is provided with air outlet (18); Deflector (9) is rotatable deflector in described, is arranged on apart from outer deflector (8) 0～3cm distances, and described interior deflector (9) is provided with air outlet (19) with outer deflector (8) corresponding position.
Deflector (9) is a foliaceous in described.
Deflector (9) is 1～4 group of blade in described.
The air outlet (18) of described outer deflector (8) is 1～4 with the air outlet (19) of interior deflector (9).
Deflector (9) links to each other with micromachine (11) in described.
Described micromachine (11) is fixed on the micromachine bearing (10).
The rotational frequency of described micromachine is 0～18rpm.
The pulsation air-supply frequency that described undaform air-supply arrangement (7) produces is less than 0.3HZ or greater than 0.5HZ.
The invention has the beneficial effects as follows:
The pulsation air-supply grows up for the shortcoming that overcomes stable air-supply, and the pulse pneumatic main feature of being sent by the pulsation supply air system is:
(1) opposite with traditional stable air-supply, the pulsation supply air system produces at times strong and at other times weak pulse pneumatic and can give people with wind sense nicely in summer, and then eliminates the air-flow feeling of heaviness that stable air-supply is brought; Velocity field decays comparatively fast in the pulsation supply air system, and it is comparatively even to form velocity field.
The present invention utilizes the undaform air-supply arrangement to produce pulsation air-supply air-flow.The outer deflector of undaform air-supply arrangement is that deflector that fix, interior links to each other with micromachine and is rotated under it drives, and inside and outside deflector has same shape.Because the rotation of deflector causes that air outlet periodically opens and closes on the inside and outside deflector in the minitype motor driving, and then the situation sent of periodic variation air-flow, provide the periodically pulsing air-flow to the room, thereby can give good wind sense.
(2) guaranteeing that this supply air system can be energy-conservation under the constant prerequisite of desired equivalent temperature.
Copy U.S. AHSRAE to propose with the equivalence value of equivalent temperature (ET) expression, with revising equivalent temperature (ET by the comfort of temperature, humidity and wind speed decision
*) the comfort equivalence value of factor decisions such as size, ripple frequency, amplitude of expression temperature, humidity and wind speed.Guaranteeing under the constant prerequisite of desired equivalent temperature, utilizing will the blow ripple frequency of jet of pulsation supply air system to be controlled at uncomfortable frequency and (outside 0.3～0.5HZ), dry-bulb temperature to be raise, make the dry-bulb temperature reduction when blow winter.
After experimental analysis, draw: in summer, conserve energy 10～20% when supply air system improves 1 ℃ with indoor wind pushing temperature but utilization is pulsed; And in the winter time, but indoor wind pushing temperature is reduced by 1 ℃ of conserve energy 5～10%.Because the pulsation supply air system is guaranteeing under the constant situation of equivalent temperature,, thereby reached purpose of energy saving by change jet distribution temperature.
Description of drawings
Fig. 1 is the Wave type supply air system structural representation;
Fig. 2 is a undaform air-supply arrangement internal structure schematic diagram;
Fig. 3 is a undaform air-supply arrangement structural representation;
Fig. 4 is a deflector structure schematic diagram in the undaform air-supply arrangement;
Fig. 5 is the outer deflector structure schematic diagram of undaform air-supply arrangement;
The specific embodiment
Outdoor new wind mixes with indoor return air through fresh wind tube 1, new air-valve 2; By controlling the mixed proportion that new air-valve 2 and air returning valve 17 unlatching sizes are regulated new return air.Mixed air is sent into workspace 12 after producing pulse pneumatics through air processor 3 processing after by ajutage 4, blowpipe 5 by undaform air-supply arrangement 7; Control the air supply velocity of sending into workspace 12 by the unlatching size of regulating blow valve 6.The pulse pneumatic of sending into is taken away the pollutant (gas) that human body (heat-producing device) produces in the workspace 12, makes heat and polluter (gas) discharge outdoor via return air inlet 13, backwind tube 14, exhaust valve 15, exhaust duct 16 backs.
Air after air processor 3 is handled is when sending into workspace 12 via undaform air-supply arrangement 7, because micromachine 11 drives the rotation of interior deflector 9, air outlet 19 in causing on the deflector 9 and the air outlet 18 on the outer deflector 8 periodically open and close; When the air outlet on the outer deflector 8 18 was in the closed position, air-flow flowed out from notching edge, formed the stack of scrak type jet; When the air outlet 18 on air outlet on the interior deflector 9 19 and the outer deflector 8 overlapped fully, air-flow was concentrated from air outlet 18 and is flowed out, the stack of formation spout type air-flow; When the air outlet on the interior deflector 9 19 and outside air outlet 18 relative positions on the deflector 8 when not being in these two kinds of special circumstances, send air-flow and form time dependent approximate spout type jet, be called accurate spout type jet, its jet initial velocity time to time change, rotation along with interior deflector 9, periodically repeat said process, provide the periodically pulsing air-flow to workspace 12.
Embodiment 1: from the angle of human sense of comfort, should consider following factors during the Wave type supply air system design:
(1) ripple frequency (ripple frequency of Wave type supply air system should drop on outside uncomfortable district frequency 0.3～0.5HZ), frequency too greatly or the too snapshot of oneself are rung the ripple amplitude of wind speed, and human body can descend to the comfort of air-flow;
(2) the palsating equipment air outlet goes out the equal speed of levelling;
On the other hand, when Wave type supply air system was applied to actual Air-conditioning Engineering, following principle also must be considered:
(1) the palsating equipment structure is simple as far as possible, and movable member is few, and cost is low, is convenient to maintenance;
(2) the palsating equipment resistance is little, and noise is low;
(3) aerodynamic quality will be got well.
The present invention takes all factors into consideration the factor of above each side, adopts micro-shaped motor to control the rotation of interior deflector, provides the periodically pulsing jet to the workspace; The present invention can also provide the periodically pulsing jet to the workspace with the unlatching of time relay control deflector.
The spacing of inside and outside deflector is made as 1cm, when the rotating speed of micromachine is made as 1rpm, by the rotation of deflector in the minitype motor driving, cause the air outlet on the inside and outside deflector periodically to open and close, periodically providing ripple frequency to the workspace is the pulse pneumatic of 0.017HZ;
Embodiment 2: other is identical with embodiment 1, and when the spacing of inside and outside deflector is made as 1cm, when the rotating speed of micromachine was made as 5rpm, can periodically provide ripple frequency to the workspace was the pulse pneumatic of 0.083HZ;
Embodiment 3: other is identical with embodiment 1, and when the spacing of inside and outside deflector is made as 1cm, when the rotating speed of micromachine was made as 8rpm, can periodically provide ripple frequency to the workspace was the pulse pneumatic of 0.133HZ;
Embodiment 4: other is identical with embodiment 1, and when the spacing of inside and outside deflector is made as 1.5cm, when the rotating speed of micromachine was made as 10rpm, can periodically provide ripple frequency to the workspace was the pulse pneumatic of 0.167HZ;
Embodiment 5: other is identical with embodiment 1, and when the spacing of inside and outside deflector is made as 1.5cm, when the rotating speed of micromachine was made as 12rpm, can periodically provide ripple frequency to the workspace was the pulse pneumatic of 0.200HZ;
Embodiment 6: other is identical with embodiment 1, and when the spacing of inside and outside deflector is made as 2cm, when the rotating speed of micromachine was made as 15rpm, can periodically provide ripple frequency to the workspace was the pulse pneumatic of 0.250HZ.
Claims (9)
1. Wave type supply air system, comprise ajutage (4), exhaust duct (14), described ajutage (4) is connected with blowpipe (5), blow valve (6) is installed on the described blowpipe (5), it is characterized in that: described blowpipe (5) is connected with undaform air-supply arrangement (7), and undaform air-supply arrangement (7) can produce pulsation air-supply air-flow.
2. Wave type supply air system according to claim 1, it is characterized in that: described undaform air-supply arrangement (7) comprises outer deflector (8) and interior deflector (9), described outer deflector (8) is fixed on the framework of undaform air-supply arrangement (7), and described outer deflector (8) is provided with air outlet (18); Deflector (9) is rotatable deflector in described, is arranged on apart from outer deflector (8) 0～3cm distances, and described interior deflector (9) is provided with air outlet (19) with outer deflector (8) corresponding position.
3. Wave type supply air system according to claim 2 is characterized in that: deflector (9) is a foliaceous in described.
4. Wave type supply air system according to claim 3 is characterized in that: deflector (9) is 1～4 group of blade in described.
5. according to each described Wave type supply air system of claim 2 to 4, it is characterized in that: the air outlet (18) of described outer deflector (8) is 1～4 with the air outlet (19) of interior deflector (9).
6. Wave type supply air system according to claim 5 is characterized in that: deflector (9) links to each other with micromachine (11) in described.
7. Wave type supply air system according to claim 6 is characterized in that: described micromachine (11) is fixed on the micromachine bearing (10).
8. according to claim 6 or 7 described Wave type supply air systems, it is characterized in that: the rotational frequency of described micromachine is 0～18rpm.
9. Wave type supply air system according to claim 1 is characterized in that: the pulsation air-supply frequency that described undaform air-supply arrangement (7) produces is less than 0.3HZ or greater than 0.5HZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100173503A CN101225989B (en) | 2008-01-21 | 2008-01-21 | Wave type supply air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100173503A CN101225989B (en) | 2008-01-21 | 2008-01-21 | Wave type supply air system |
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| Publication Number | Publication Date |
|---|---|
| CN101225989A true CN101225989A (en) | 2008-07-23 |
| CN101225989B CN101225989B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100173503A Expired - Fee Related CN101225989B (en) | 2008-01-21 | 2008-01-21 | Wave type supply air system |
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| Country | Link |
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| CN (1) | CN101225989B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122769A (en) * | 2012-12-14 | 2013-05-29 | 山东电力集团公司淄博供电公司 | Intelligent unpowered tunnel ventilation device |
| CN106050290A (en) * | 2016-07-14 | 2016-10-26 | 国网山东省电力公司淄博供电公司 | Intelligent power-free tunnel ventilation device |
| CN107702305A (en) * | 2017-08-15 | 2018-02-16 | 西安建筑科技大学 | One kind is applied to become workspace attaching air current composition environment-guarantee method and device |
| CN108917145A (en) * | 2018-07-13 | 2018-11-30 | 西安建筑科技大学 | A kind of energy-saving air outlet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5149300A (en) * | 1991-05-09 | 1992-09-22 | Barrett Michael R | Method of construction of pre-balanced air handling system |
| CN1164900C (en) * | 2002-07-25 | 2004-09-01 | 上海交通大学 | Blower for air conditioner with pulse effect of temp and speed |
| CN1226559C (en) * | 2003-09-16 | 2005-11-09 | 浙江大学 | Fixed point jet flow air supply system |
| CN1910405B (en) * | 2004-01-20 | 2012-09-05 | 开利公司 | Method and system for automatically optimizing zone duct damper positions |
| CN2876610Y (en) * | 2006-01-17 | 2007-03-07 | 北京贝思达工贸有限责任公司 | Long-range variable flow state air blast vent |
-
2008
- 2008-01-21 CN CN2008100173503A patent/CN101225989B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122769A (en) * | 2012-12-14 | 2013-05-29 | 山东电力集团公司淄博供电公司 | Intelligent unpowered tunnel ventilation device |
| CN106050290A (en) * | 2016-07-14 | 2016-10-26 | 国网山东省电力公司淄博供电公司 | Intelligent power-free tunnel ventilation device |
| CN107702305A (en) * | 2017-08-15 | 2018-02-16 | 西安建筑科技大学 | One kind is applied to become workspace attaching air current composition environment-guarantee method and device |
| CN107702305B (en) * | 2017-08-15 | 2019-03-22 | 西安建筑科技大学 | One kind being suitable for becoming workspace and attaches air current composition environment-guarantee method and device |
| CN108917145A (en) * | 2018-07-13 | 2018-11-30 | 西安建筑科技大学 | A kind of energy-saving air outlet |
| CN108917145B (en) * | 2018-07-13 | 2020-05-05 | 西安建筑科技大学 | Energy-saving air supply outlet |
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| Publication number | Publication date |
|---|---|
| CN101225989B (en) | 2010-06-02 |
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Granted publication date: 20100602 Termination date: 20110121 |