CN202532668U - Air supply outlet with uniform constant air volume - Google Patents
Air supply outlet with uniform constant air volume Download PDFInfo
- Publication number
- CN202532668U CN202532668U CN201220091752XU CN201220091752U CN202532668U CN 202532668 U CN202532668 U CN 202532668U CN 201220091752X U CN201220091752X U CN 201220091752XU CN 201220091752 U CN201220091752 U CN 201220091752U CN 202532668 U CN202532668 U CN 202532668U
- Authority
- CN
- China
- Prior art keywords
- air
- inner conical
- bucket
- platform
- male
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Duct Arrangements (AREA)
Abstract
The utility model discloses an air supply outlet with uniform constant air volume. The air supply outlet comprises a static pressure box and an externally conical barrel connected with the static pressure box, wherein the externally conical barrel is internally provided with an internal conical platform, an annular runner is formed between the internal conical platform and the externally conical barrel, the internal conical platform is connected with the static pressure box by an elastic component, the inner lower end of the externally conical barrel is connected with an internally conical barrel, an annular air induction inlet is formed between the internally conical barrel and the internal conical platform, an interior air inlet is arranged at a position where the lower end surface of the externally conical barrel and the internally conical barrel are communicated correspondingly, and air outlets are arranged on the other parts. According to the air supply flowrate, the internally conical platform does adaptive movement in the vertical direction, thus regulating the cross section area of the annular runner and the height of the annular air induction inlet, realizing the regulation on the air flowing in from the annular runner and the interior air flowrate flowing in from the annular air induction inlet, and achieving the purpose of automatically regulating the air supply volume supplied to the interior through the air outlet to keep constant.
Description
Technical field
The utility model relates to central air conditioner system air-supply technology, particularly a kind of jet distribution mouth of vertically deciding the air quantity balanced ventilation that is applicable to.
Background technology
The end equipment air outlet of central air conditioner system, its effect are to send carry out heat, the wet and clean even air of handling through air-conditioning system into each zone of air-conditioning and construction, reach thermal and humidity environment and cleanliness factor requirement in the conditioning chamber.For this reason; During the underway centre of design of HVAC personnel Air-conditioner design, need carry out detailed wind-force and calculate, confirm that with this each several part ajutage caliber, pipe range and air outlet are in indoor position; Purpose is to make that each air outlet air output is even, and the room air current composition is reasonable.But because part dimensions such as caliber are discontinuous, the complexity of while air-conditioning system pipeline is so be difficult to satisfy fully wind power balance.Therefore, in order to regulate wind power balance, need install valve additional at some positions, wait until that actual engineering construction finishes after, through the aperture of control valve, realize the wind power balance of pipe-line system as far as possible through debug process.But because after the construction end, there is great difficulty in debugging, and the fluctuation of air-conditioning system Various Seasonal air output, still can not well realize the uniform purpose of each air outlet air output.
Therefore; The air outlet that tuyere air volume can manual adjustments has appearred in the prior art; Like the disclosed air-conditioning unit of Chinese utility model patent 200520073394.X air outlet structure, patent 00239371.9 disclosed a kind of displacement air outlet structure etc., some traditional vav terminal air outlets are also arranged, the terminal air outlet of the bypass type shown in accompanying drawing 1; The terminal air outlet of valve plate type shown in accompanying drawing 2, the terminal air-supply arrangement of the induction type shown in accompanying drawing 3 etc.But mainly there is the artificial or electronic automatic control system completion of adjustment process needs in the air outlet of present existing quantity-adjustable, can not realize self-regulating process, and have the problem of certain hysteresis quality.
The utility model content
The goal of the invention of the utility model is: the problem to above-mentioned existence provides a kind of and can self-regulatingly continuously decide air quantity balanced ventilation mouth.
The technical scheme of the utility model technology is achieved in that a kind of air quantity balanced ventilation mouth of deciding; It is characterized in that: the male-tapered bucket that comprises plenum chamber and be connected with plenum chamber; In said male-tapered bucket, be provided with the inner conical platform, form annular channel between said inner conical platform and the male-tapered bucket, said inner conical platform is connected with plenum chamber through elastomeric element; In said male-tapered bucket, the lower end is connected with the inner conical bucket; Form annular induced air inlet between said inner conical bucket and the inner conical platform, said male-tapered bucket lower surface is the room air inlet with corresponding connection place in inner conical bucket lower end, and remainder is an air outlet.
The utility model is described decides air quantity balanced ventilation mouth, and the last end section of its said inner conical bucket is less than end section under the inner conical platform.
The utility model is described decides air quantity balanced ventilation mouth, and its said inner conical platform and the barrel-shaped shape of male-tapered are complementary.
The utility model is described decides air quantity balanced ventilation mouth, form between its said inner conical platform and the male-tapered bucket form between sectional area and inner conical bucket and the inner conical platform of annular channel height that annular induced air enters the mouth by the inner conical platform outside in the cone tank on the vertical direction variation of position adjust.
The utility model is according to the size of air flow rate; Make the inner conical platform in the vertical direction in the male-tapered bucket do adaptive moving; Thereby play the size of the annular induced air entrance height that forms between the annular channel sectional area that forms between adjustment inner conical platform and the male-tapered bucket and inner conical bucket and the inner conical platform; Realization reaches automatic adjusting and sends into the purpose that indoor air output remains unchanged by air outlet by the adjusting of annular channel leaked-in air with the room air flow that is flowed into by annular induced air inlet.
Description of drawings
Fig. 1 is the terminal air outlet structural representation of existing bypass type.
Fig. 2 is the terminal air outlet structural representation of existing valve plate type.
Fig. 3 is the structural representation of the terminal air-supply arrangement of existing induction type.
Fig. 4 is the structural representation of the utility model.
Mark among the figure: 1 is plenum chamber, and 2 is elastomeric element, and 3 is the male-tapered bucket, and 4 is the inner conical platform, and 5 is annular channel, and 6 is annular induced air inlet, and 7 is the inner conical bucket, and 8 are the room air inlet, and 9 is air outlet.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is done detailed explanation.
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model technology is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 4; A kind ofly decide air quantity balanced ventilation mouth, comprise plenum chamber 1 and the male-tapered bucket 3 that is connected with plenum chamber 1, in said male-tapered bucket 3, be provided with the inner conical platform 4 that is complementary with male-tapered bucket 3 shapes; Form annular channel 5 between said inner conical platform 4 and the male-tapered bucket 3; Said inner conical platform 4 is connected with plenum chamber 1 through elastomeric element 2, and said elastomeric element is a spring, in said male-tapered bucket 3, the lower end is connected with inner conical bucket 7; Form annular induced air inlet 6 between said inner conical bucket 7 and the inner conical platform 4; The last end section of said inner conical bucket 7 is less than 4 times end sections of inner conical platform, and said male-tapered bucket 3 lower surfaces are room air inlet 8 with corresponding connection place in inner conical bucket 7 lower ends, and remainder is an air outlet 9.
Wherein, form between said inner conical platform 4 and the male-tapered bucket 3 height that forms annular induced air inlet 6 between sectional area and inner conical bucket 7 and the inner conical platform 4 of annular channel 5 by inner conical platform 4 outside on the cone tank 3 interior vertical direction variation of position adjust.
When the air mass flow of sending into plenum chamber during greater than setting value; The flow velocity of sending into male-tapered bucket air increases; Gas shock becomes to the impulsive force of inner conical platform upper surface that big (air velocity reduces; Dynamic pressure converts static pressure into), make the spring that is in poised state that originally is connected under bigger gas shock effect, extend and from newly reaching poised state, at this moment with the inner conical platform; The inner conical platform moves down; The height of the annular induced air inlet that forms between the sectional area of the annular channel that forms between inner conical platform and the male-tapered bucket and inner conical platform and the inner conical bucket all diminishes, thus adjusted by the annular channel leaked-in air with the room air flow that flows into by annular induced air inlet, send into the purpose that indoor air output remains unchanged thereby reach automatic adjusting by air outlet.
Otherwise; When the air mass flow of sending into plenum chamber during less than setting value, the flow velocity of sending into male-tapered bucket air reduces, and gas shock diminishes to the impulsive force of inner conical platform upper surface, and (air velocity reduces; Dynamic pressure converts static pressure into); Make the spring that is in poised state that originally is connected shorten with the inner conical platform, and from newly reaching poised state, at this moment; The inner conical platform moves up; The height of the annular induced air inlet that forms between the sectional area of the annular channel that forms between inner conical platform and the male-tapered bucket and inner conical platform and the inner conical bucket all becomes greatly, thus adjusted by the annular channel leaked-in air with the room air flow that flows into by annular induced air inlet, send into the purpose that indoor air output remains unchanged thereby reach automatic adjusting by air outlet.
To sum up, no matter send into air quantity and become and to diminish greatly, under the effect of the utility model, all can realize regulating automatically continuously, decide air quantity and blow uniformly, make the central air conditioning wind system realize wind power balance, the requirement of air conditioner surroundings realization uniform temperature and humidity indoor.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (4)
1. decide air quantity balanced ventilation mouth for one kind; It is characterized in that: comprise plenum chamber (1) and the male-tapered bucket (3) that is connected with plenum chamber (1); In said male-tapered bucket (3), be provided with inner conical platform (4); Form annular channel (5) between said inner conical platform (4) and the male-tapered bucket (3); Said inner conical platform (4) is connected with plenum chamber (1) through elastomeric element (2), in said male-tapered bucket (3), the lower end is connected with inner conical bucket (7), and the annular induced air of formation enter the mouth (6) between said inner conical bucket (7) and the inner conical platform (4); Said male-tapered bucket (3) lower surface is a room air inlet (8) with corresponding connection place in inner conical bucket (7) lower end, and remainder is air outlet (9).
2. according to claim 1ly decide air quantity balanced ventilation mouth, it is characterized in that: the last end section of said inner conical bucket (7) is less than inner conical platform (4) end section down.
3. according to claim 1 and 2ly decide air quantity balanced ventilation mouth, it is characterized in that: said inner conical platform (4) is complementary with male-tapered bucket (3) shape.
4. according to claim 3ly decide air quantity balanced ventilation mouth, it is characterized in that: form between said inner conical platform (4) and the male-tapered bucket (3) height that forms annular induced air inlet (6) between sectional area and the inner conical bucket (7) and the inner conical platform (4) of annular channel (5) by inner conical platform (4) outside on the interior vertical direction of cone tank (3) variation of position adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220091752XU CN202532668U (en) | 2012-03-13 | 2012-03-13 | Air supply outlet with uniform constant air volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220091752XU CN202532668U (en) | 2012-03-13 | 2012-03-13 | Air supply outlet with uniform constant air volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532668U true CN202532668U (en) | 2012-11-14 |
Family
ID=47133848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220091752XU Expired - Lifetime CN202532668U (en) | 2012-03-13 | 2012-03-13 | Air supply outlet with uniform constant air volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705330A (en) * | 2015-07-30 | 2017-05-24 | 美的集团股份有限公司 | Air conditioner and fresh air supply device |
| CN112240634A (en) * | 2020-12-17 | 2021-01-19 | 浙江大学 | Variable-distance air conditioner air supply tail end capable of balancing air outlet resistance and adjusting method thereof |
-
2012
- 2012-03-13 CN CN201220091752XU patent/CN202532668U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705330A (en) * | 2015-07-30 | 2017-05-24 | 美的集团股份有限公司 | Air conditioner and fresh air supply device |
| CN106705330B (en) * | 2015-07-30 | 2022-11-15 | 美的集团股份有限公司 | Air conditioner and fresh air exchange device thereof |
| CN112240634A (en) * | 2020-12-17 | 2021-01-19 | 浙江大学 | Variable-distance air conditioner air supply tail end capable of balancing air outlet resistance and adjusting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8210200B2 (en) | Flow regulator device | |
| CN102029203B (en) | Control system of laboratory variable air volume (VAV) fume hood | |
| CN101440988A (en) | Equilibrium air blast dynamic representation (regulating) method and apparatus of central air conditioner | |
| CN112240634B (en) | Variable-distance air conditioner air supply tail end capable of balancing air outlet resistance and adjusting method thereof | |
| CN204115152U (en) | A kind of interior machine controller of multiple on-line system | |
| CN106642603A (en) | Temperature control humidity control anti-condensation method for electrical room with cable trench | |
| CN202532668U (en) | Air supply outlet with uniform constant air volume | |
| CN105588309A (en) | Variable air volume terminal and air conditioner | |
| CN202254126U (en) | Energy-saving control system of variable air volume air conditioning system end device | |
| CN204214104U (en) | A kind of air channel air-supply uniform device | |
| CN208952079U (en) | A kind of energy-saving blast cap of automatic adjusument resistance | |
| CN108180499B (en) | A kind of pulverized-coal fired boiler wind powder trimming system and method | |
| CN206905208U (en) | Room pressure adjusting means | |
| CN204043150U (en) | Industrial air conditioning cloth wind system | |
| CN103712322B (en) | The mixed wind of a kind of multitube air intake storehouse | |
| CN215175742U (en) | Pressure difference buffer device for clean room of pharmaceutical workshop | |
| CN206160386U (en) | Novel toilet | |
| KR101144147B1 (en) | Electronic diffuser of automatic pressure response | |
| CN201520774U (en) | Device for adjusting gas temperature in hot air main pipe | |
| CN208474609U (en) | A kind of central air-conditioning dedicated regulation valve | |
| CN103982973A (en) | Ventilating duct system distributed according to air volume and design method | |
| CN208475594U (en) | A kind of novel blowing distributor | |
| CN220707655U (en) | Air quantity adjusting system and clean room | |
| CN202580184U (en) | Flow stabilizing device with main and secondary valve | |
| CN219810015U (en) | Clean room flow control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |