CN103245043A - VAV (variable air volume) low-temperature air supply outlet device - Google Patents
VAV (variable air volume) low-temperature air supply outlet device Download PDFInfo
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- CN103245043A CN103245043A CN2013101770644A CN201310177064A CN103245043A CN 103245043 A CN103245043 A CN 103245043A CN 2013101770644 A CN2013101770644 A CN 2013101770644A CN 201310177064 A CN201310177064 A CN 201310177064A CN 103245043 A CN103245043 A CN 103245043A
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Abstract
The invention discloses a VAV low-temperature air supply outlet device. The VAV low-temperature air supply outlet device comprises a connection tube, a pressure balancing box and an air supply face plate. One end of the connection tube is connected with the air inlet of the pressure balancing box, the air supply face plate is fixedly mounted at the position of the air outlet of the pressure balancing box, and the air supply is provided with an air supply ejection nozzle. The VAV low-temperature air supply outlet device has the advantages that processed low-temperature primary air is ejected out through the air supply ejection nozzle after being pressure-stabilized by the pressure balancing box at a high speed to form negative pressure around the air supply ejection nozzle and generate a strong entrainment effect on surrounding indoor air simultaneously, and the low-temperature primary air and the entrained indoor air can be mixed within a short distance after leaving the air supply face plate outside the VAV low-temperature air supply outlet device and are sent into an air-conditioning room. The VAV low-temperature air supply outlet device solves the problems of airflow retarding and condensation of low-temperature air supply, is simple in structure, good in decoration and strong in practicality, and meanwhile can perform VAV control according to indoor temperature to achieve the objective of energy saving of an air-conditioner.
Description
Technical field
The present invention relates to a kind of cold air distribution mouth device for the air conditioning system with variable end.
Background technology
Along with the energy-saving and emission-reduction cry of country heal strong and people to improving constantly that indoor thermal environment requires, the cold air distribution technology is just obtaining application more and more widely.The cold air distribution mouth is to realize low-temperature primary wind is sent into the interior vitals of air-conditioned room, and it can realize investment energy-conservation and minimizing end-equipment and pipeline to a great extent.But because the wind pushing temperature (7 ~ 10 ℃) of cold air distribution air-conditioning system will be lower than conventional air supply air-conditioner system (14 ~ 16 ℃), the characteristics of its easy dewfall make conventional air port generally can not be suitable for.Therefore, the key of cold air distribution technology promotion and application is to send out and leaves good cold air distribution system end equipment.Not only to have than normal temperature air port temperature applicable range widely the requirement of cold air distribution mouth device, also should having widely, air quantity adjustable range, good air-distribution and mixed characteristic also need have acceptable resistance and noiseproof feature etc. simultaneously to satisfy the requirement of variable air volume system.
In order to adapt to cold air distribution The Application of Technology and development, developed the cold air distribution end equipment of various ways both at home and abroad in succession.A kind of typical cold air distribution mouth device as shown in Figure 1, from principle, this type of device mostly is the primary retirn air type, namely offer return air inlet 4 ' or the return air hole of some at device, and adopt corresponding version to make the air outlet device possess certain inducing function, by return air inlet 4 ' room air is induced motion device inside when low-temperature primary wind is sent into by jet convergent air port 2 ', low-temperature primary wind and derivative indoor return air are admitted to air-conditioned room in the internal mix of supply terminal device by air outlet 5 '.Because mixed low temperature wind wind pushing temperature improves, therefore can solve the air port condensation trouble.But owing to adopt inner return air, derivative indoor return air has occupied the segment space of air outlet device, this also makes the low-temperature primary wind air output of air outlet device be restricted, and the many power consumptions of this type of device are higher, complex structure, price are also more expensive, nor possesses the air quantity regulatory function, need to be used in combination with other variable air rate equipment, be not well positioned to meet actual instructions for use.Therefore, the cold air distribution mouth device of development of new still has very important and practical meanings.
Summary of the invention
The objective of the invention is for a kind of novel variable air rate cold air distribution mouth device with bigger low-temperature primary air quantity is provided.
For reaching above purpose, the present invention has adopted following technical scheme: cold air distribution mouth device of the present invention comprises tube connector, surge tank and air-supply panel, one end of tube connector is connected with the air inlet of surge tank, the air-supply panel is fixedly installed in the air outlet place of surge tank, offers the air-supply spout on the described air-supply panel.
Further, the inside of surge tank of the present invention is provided with the inside and the extraneous heat-insulation layer that conducts heat that can prevent surge tank.
Further, the inside of tube connector of the present invention is provided with volume damper.
Further, the valve rod of volume damper of the present invention is connected with the variable air rate controller, and described variable air rate controller places the outside of described tube connector.
Compared with prior art, the invention has the beneficial effects as follows:
(1) because the present invention does not arrange return air inlet or return air hole, therefore it is not that mode by return air in the inner induction room of air outlet device solves the air port condensation trouble, but wide range and entrainmenting and mixed characteristic room air thereof that the air-supply high-speed jet (flow velocity is generally greater than 10m/s) that utilizes the air-supply spout structure to produce brings, after the lower low-temperature primary wind of temperature is directly blown out, realized mixing in outside of the present invention in leaving the very short distance of air-supply panel with the room air that is entrainmented, make the air-supply air-flow when leaving the air-supply spout, possess the gas flow temperature that is equal to even is higher than conventional air-supply thus, prevented dewfall (guaranteeing 7 ~ 10 ℃ of not dewfall) effectively, indoor air current composition has also obtained tangible improvement simultaneously.Because inside of the present invention is not brought indoor return air into, so low-temperature primary wind air output can be than the effective increase of prior art under identical condition.
(2) because the present invention is provided with volume damper and variable air rate controller, thereby can regulate the air quantity of sending into the room in real time according to the workload demand in room, effectively reduce the room temperature fluctuation, save air conditioning energy consumption.
(3) the present invention is simple in structure, cost is lower, be easy to install and decorative effect good, have stronger practicality.
Description of drawings
Fig. 1 is a kind of typical cold air distribution mouth apparatus structure and the principle schematic of prior art;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is principle schematic of the present invention;
Among the figure: 1 '-blast pipe, 2 '-jet convergent air port, 3 '-Ω shape back pressure plate, 4 '-return air inlet, 5 '-air outlet, 1-tube connector, 2-surge tank, 3-heat-insulation layer, 4-volume damper, 5-variable air rate controller, 6-connecting elements, the 7-panel of blowing, 8-spout.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Extremely shown in Figure 4 as Fig. 2, cold air distribution mouth device of the present invention mainly comprises tube connector 1, surge tank 2 and air-supply panel 7, one end of tube connector 1 is connected with the air inlet of surge tank 2, and air-supply panel 7 is fixedly installed in the air outlet place of surge tank 2, offers air-supply spout 8 on the air-supply panel 7.As preferred embodiment of the present invention, be provided with the inside and the extraneous heat-insulation layer 3 that conducts heat that can prevent surge tank 2 in the inside of surge tank 2, heat-insulation layer 3 can glued joint that all can touch the metal surface of low-temperature primary wind in the inboard of surge tank 2.In addition, also volume damper 4 can be set in the inside of tube connector 1.And as preferred embodiment of the present invention, the valve rod of volume damper 4 also is connected with variable air rate controller 5, and variable air rate controller 5 places the outside of tube connector 1.In addition, as preferred embodiment of the present invention, also can install connecting elements 6 additional at air-supply panel 7, employing is threaded and is integral the air outlet that is fixed in surge tank 2 between air-supply panel 7 and the connecting elements 6, and the panel 7 of blowing thus is installed in the exit of surge tank 2 by connecting elements 6.
The material of connecting elements 6 can be plastics, metal or alloy material usually, is the member that has decorative effect with mould or welding fabrication.Air-supply panel 7 is the lower plastics of thermal conductivity factor or insulation material, can offer (being single among Fig. 2 and Fig. 3) air-supply spout of single or some rows by any-mode (generally evenly arranging along its length) on the air-supply panel 7, nozzle configuration can be square, circular or oval (being ellipse among Fig. 2).
As shown in Figure 4, low-temperature primary wind after treatment enters surge tank 2 through tube connector 1, speed significantly reduces after voltage stabilizing, the kinetic energy major part changes static pressure into, the spout 8 of Cryogenic air on air-supply panel 7 with height static pressure sprays and forms high-speed jet (speed is generally greater than 10m/s), simultaneously form around the spout 8 negative pressure and near room air produce the strong effect of entrainmenting, thereby the outside at the air outlet device, leave in the very short distance of air-supply panel 7, thereby the air-supply air-flow becomes low-temperature primary wind and is caused temperature sharply to rise by the mixture of the room air that entrainmented, so the air port is difficult for dewfall.Because return air inlet or return air hole are not set, thereby the room air that is entrainmented is not brought into air outlet device inside and occupies the useful space, low-temperature primary wind is directly sent in the air-conditioned room by the air outlet device, and realized mixing with room air in that the air outlet device is outside, therefore compare with existing technology (being the primary retirn air type), low-temperature primary wind air output under the same conditions can effectively increase; Simultaneously owing to be provided with variable air rate controller 5 at tube connector 1, therefore can aperture that adjust volume damper 4 be set according to air-conditioned room load and indoor temperature, regulate the low-temperature primary air quantity of sending into the room in real time, reduce fluctuations in indoor temperature, save air conditioning energy consumption.This cold air distribution mouth apparatus structure is simple, easy for installation, elegant in appearance, has stronger practicality.
Claims (4)
1. cold air distribution mouth device, it is characterized in that: comprise tube connector (1), surge tank (2) and air-supply panel (7), one end of tube connector (1) is connected with the air inlet of surge tank (2), air-supply panel (7) is fixedly installed in the air outlet place of surge tank (2), offers air-supply spout (8) on the described air-supply panel (7).
2. cold air distribution mouth device according to claim 1 is characterized in that: the inside of described surge tank (2) is provided with the inside and the extraneous heat-insulation layer (3) that conducts heat that can prevent surge tank (2).
3. cold air distribution mouth device according to claim 1 and 2, it is characterized in that: the inside of described tube connector (1) is provided with volume damper (4).
4. cold air distribution mouth device according to claim 3, it is characterized in that: the valve rod of described volume damper (4) is connected with variable air rate controller (5), and described variable air rate controller (5) places the outside of described tube connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310177064.4A CN103245043B (en) | 2013-05-14 | 2013-05-14 | Variable air rate temperature air blowing inlet device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310177064.4A CN103245043B (en) | 2013-05-14 | 2013-05-14 | Variable air rate temperature air blowing inlet device |
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| Publication Number | Publication Date |
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| CN103245043A true CN103245043A (en) | 2013-08-14 |
| CN103245043B CN103245043B (en) | 2016-09-07 |
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| CN201310177064.4A Active CN103245043B (en) | 2013-05-14 | 2013-05-14 | Variable air rate temperature air blowing inlet device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143992A (en) * | 2017-07-06 | 2017-09-08 | 罗尚 | The jet air guide structure of wall-hanging air conditioner indoor unit |
| CN112577173A (en) * | 2019-09-27 | 2021-03-30 | 青岛海尔空调电子有限公司 | Induced air outlet device for air conditioner and air supply control method for air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143992A (en) * | 2017-07-06 | 2017-09-08 | 罗尚 | The jet air guide structure of wall-hanging air conditioner indoor unit |
| CN112577173A (en) * | 2019-09-27 | 2021-03-30 | 青岛海尔空调电子有限公司 | Induced air outlet device for air conditioner and air supply control method for air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103245043B (en) | 2016-09-07 |
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Effective date of registration: 20180713 Address after: 310024 1010, room 1, No. 9, Zang Tang science and Technology Economic Zone, Hangzhou, Zhejiang Patentee after: Hangzhou Polytron Technologies Inc Address before: 310053 401-402 unit 1, 1 modern impression Plaza, Binjiang District, Hangzhou, Zhejiang. Patentee before: Hangzhou, China Institute of Electric Energy and Environmental Design Co., Ltd. |