CN102345922B - Variable air quantity blowout apparatus - Google Patents
Variable air quantity blowout apparatus Download PDFInfo
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- CN102345922B CN102345922B CN201110020346.4A CN201110020346A CN102345922B CN 102345922 B CN102345922 B CN 102345922B CN 201110020346 A CN201110020346 A CN 201110020346A CN 102345922 B CN102345922 B CN 102345922B
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Abstract
The invention relates to a variable air quantity blowout apparatus, utilizing the fed air from outside to induce the air in air-conditioning space (S) for mixing and blowing out toward the air-conditioning space (S). The apparatus comprises a main body (1) where the fed air and the induced air flow inside and an air quantity control unit (V) which controls the mixing ratio of the fed air and the induced air and blowout air quantity of the mixed air. The variable air quantity blowout apparatus features less parts, easy execution and maintenance, and reduced device cost.
Description
Technical field
The present invention relates to variable air quantity blowout apparatus.
Background technology
As the one of air-conditioning system, there is the single pipe method of variable air rate.The single pipe method of variable air rate be from air conditioner by pipeline and blow-off outlet to blowed the air supply mode that line space adjusts of going forward side by side by conditioned space.At pipeline the variable air rate device (VAV unit) described in patent documentation 1 is set midway.By this each variable air rate device is increased and decreased to air fed air quantity, control respectively by the temperature of conditioned space.
Patent documentation 1: Japanese kokai publication hei 8-28946 communique.
Summary of the invention
Such mode is necessary to arrange separately variable air rate device outside blow-off outlet, for variable air rate device is set in ceiling, not only needs equipment cost, and has the inconvenient problem of maintenance.And in the situation that making it stop blowing out, the mechanism that reduces air quantity is single, therefore also there is sound of the wind to reveal the problem that noise occurs.And air fed temperature is lower than normal conditions, send in the situation that the cold air distribution of a small amount of wind carries out with the single pipe method of variable air rate simultaneously, because the low air quantity of air supply temperature is few, have in the indiffusion of blow-off outlet air-flow, there is the problem of cold wind air-flow and dewfall.
In order to solve above-mentioned existing problems, variable air quantity blowout apparatus of the present invention, to use the air supply induction of sending into from outside to be mixed the backward described variable air quantity blowout apparatus being blown out by conditioned space (S) by the air of conditioned space (S), wherein, possess described air supply be induced the main body that air flows therein and control described air supply with described in be induced the mixing ratio of air and the air quantity regulon that blows out air quantity of mixing air.
If employing the present invention,
(1) variable air rate device and blow-off outlet form as one, and therefore construct and keep in repair easily, can reduce equipment cost, easily construct the single pipe method of variable air rate;
(2) because induction is mixed in air supply by the air of conditioned space, therefore in the time using as cold air conditioner, play reheating effect, can prevent cold wind air-flow (cold draft) and dewfall, easily carry out air conditioning with cold air distribution with the single pipe method of variable air rate.Therefore can significantly reduce cost of equipment and the air-supply expenditure on power etc. of pipeline etc.And in the time using as heating air conditioner due to the mixing air blowing out with little by the temperature difference of conditioned space, therefore near ceiling, be not detained, can realize the comfortable air-conditioning that there is no non-uniform temperature;
(3) due to the equipment of hot use needn't be set separately again, can seek equipment and simplify, construction is easily;
(4) owing to can controlling air supply and being induced the mixing ratio of air, and mixing air blow out air quantity, therefore can carry out and be changed corresponding extremely careful air-conditioning by the air conditions of conditioned space.
Again, body interior has the 1st vent passages that air supply flows therein, and for spraying in order to induce by air fed the 2nd vent passages of the air of conditioned space, air quantity regulon possesses the 1st adjustment means that the described air fed air quantity to blowing out from described the 1st vent passages regulates, the 2nd adjustment means that described air supply from described the 2nd vent passages ejection and the mixing ratio that is induced air are regulated, and make the 1st adjustment means and the 2nd adjustment means interlock or drive respectively the 1st adjustment means and the 2nd adjustment means, and the driver element that the ventilation-sectional area of the 1st vent passages and the 2nd vent passages is increased and decreased, described variable air quantity blowout apparatus also possesses the controller of the action of controlling described driver element, the increase and decrease of the air quantity of with good grounds described the 1st vent passages of described controling appliance, regulate the air quantity of described the 2nd vent passages, and by described air supply be induced the module that air blows out with certain mixing ratio, and/or utilize described the 1st adjustment means to make described the 1st vent passages become the state of opening a little, and utilize described the 2nd adjustment means to make described the 2nd vent passages close the module that stops blowing out completely.If adopt this invention,
(1) even air fed air quantity is reduced, air supply is also certain with the mixing ratio that is induced air, even therefore temperature is low, air quantity is few, blowing out wind speed and blowing out temperature of mixing air is also stable, cold wind air-flow and dewfall can be avoided reliably, often stable diffusivity can be brought into play;
(2) in the situation that mixing air stops blowing out, reduce ventilation-sectional area the decompression of the 1st vent passages by the 1st adjustment means, and by the 2nd adjustment means, the 2nd vent passages is closed completely, therefore can prevent the generation of the noise that sound of the wind causes;
(3) due to simple in structure, facility compact is saved space, easily arranges.
Again, driver element possesses actuator and utilizes the power of this actuator to make the 1st adjustment means and the 2nd adjustment means interlock while spiral advance and retreat, increases and decreases the screw component of the ventilation-sectional area of the 1st vent passages and the 2nd vent passages simultaneously.If adopt this invention,
(1) only have the simple structure of actuator and screw, therefore parts are few, easily make, and compact conformation, can cheaply make.
Again, main body has air supply is directed to by the mixing air of conditioned space and blows out air channel with the mixing air that is induced air, by the described induction air channel that is induced air and blows out from guided into described mixing air by conditioned space air channel, and make described air supply blow out air channel ejection to described mixing air, and from the 2nd vent passages of described induction air channel induced air, wherein, described mixing air blows out the circular or polygonal looped duct that air channel is formed as expanding from upwind leeward, blowing out along described mixing air described in the periphery of passage induces air channel to be formed as ring-type, the windward inlet portion that blows out air channel at described mixing air is communicated with described induction air channel, be formed as ring-type and blow out the 2nd vent passages described in the windward inlet portion in air channel along described mixing air.If adopt this invention,
(1) from the radial outside induced air of main body, the windward inlet portion that blows out air channel at the mixing air in main body deep by air supply be induced air and mix, blow out from the radially inner side of main body, therefore the effect of Antidewing is large, and the situation that wall attachment effect causes ceiling to pollute can not occur.And can, to blown out the uniform mixing air of temperature by conditioned space, improve level of comfort;
(2) because the vent passages used of ejection air supply is ring-type, can increase air quantity compared with the situation of nozzle-like, can the in the situation that of low pressure loss, guarantee to be induced air with respect to air fed amount (mixing ratio).Therefore the air quantity that blows out that can seek to increase mixing air, diffusivity is good, there is no the situation of non-uniform temperature.
The present invention also provides a kind of variable air quantity blowout apparatus, be by the air supply of sending into from outside to the variable air quantity blowout apparatus being blown out by conditioned space, wherein possess the main body that air supply flows therein and control the described air fed air quantity regulon that blows out air quantity.If adopt this invention,
(1) variable air rate device and blow-off outlet form as one, and therefore construct and maintain easily, can reduce equipment cost, the single pipe method of variable air rate construct easy realization.
Again, the inner surface that forms the air supply introduction part of the hollow form of a part for main body is formed as ring-type, and described air supply introduction part is provided with air outlet, sending into air supply to Zhou Fangxiang along this annular inside surface.If adopt this invention,
(1) be blown into helical form air supply along the whole week of the inner surface of air supply introduction part, therefore can, by mixing air equably to being blown out by conditioned space, improve diffusivity with simple structure.
Again, the inside that forms the air supply introduction part of the hollow form of a part for main body is provided with framework, to form the interval parts of ring-type, described air supply introduction part is provided with air outlet, sending into air supply to Zhou Fangxiang along the interval parts of this ring-type, hold the actuator of a part that forms air quantity regulon in the inside of described framework.If adopt this invention,
(1) can utilize framework protection actuator not affected by air fed temperature, and can be used for the air fed diffusion that promotes that the guiding of clearance portion causes, can seek component number object and reduce and densification.Therefore do not take up room, arrange easily.
Again, described air quantity regulon is arranged on the inside of main body, the front end that handling form described main body (1) freely blows out portion and air supply introduction part, forms the structure that the peristome from unloading the described air supply introduction part that the described front end portion of blowing out exposes can be overlooked described air quantity regulon.If adopt this invention,
(1) unload lower front end from air supply introduction part constant in the situation that and blow out portion variable air quantity blowout apparatus is set, just can maintain inner air quantity regulon etc. simply, more convenient to operate.
Accompanying drawing explanation
Fig. 1 is the profilograph of variable air quantity blowout apparatus;
Fig. 2 be from the unilateral observation of air supply introduction part to overall pattern;
Fig. 3 be from front end blow out portion's unilateral observation to overall pattern;
Fig. 4 be action is described want portion's profilograph;
Fig. 5 represents to decompose routine profilograph;
Fig. 6 be represent variation from front end blow out portion's unilateral observation to overall pattern;
Symbol description:
1 main body;
2a the 1st vent passages;
2b the 2nd vent passages;
3a the 1st adjustment means;
3b the 2nd adjustment means;
4 controllers;
5 actuators;
6 screw components;
7 front ends blow out portion;
8 induction air channels;
9 mixing airs blow out air channel;
10 inner surfaces;
11 air supply introduction parts;
12 frameworks;
13 clearance portion;
16 air outlets;
S is by conditioned space;
V air quantity regulon;
D driver element.
The specific embodiment
Fig. 1～Fig. 3 represents an embodiment of variable air quantity blowout apparatus of the present invention, this variable air quantity blowout apparatus is to use the air supply induction of sending into from outside to be mixed the backward described variable air quantity blowout apparatus being blown out by conditioned space S by the air of conditioned space S, possesses air supply and is induced air by the main body 1 of its internal flow and controls air supply and be induced the mixing ratio of air and the air quantity regulon V that blows out air quantity of mixing air.The spaces such as the indoor and hall of the various buildings such as office building, hospital, restaurant by conditioned space S.By the ceiling of conditioned space S etc., variable air quantity blowout apparatus is set at this.Variable air quantity blowout apparatus is provided and is in harmonious proportion the air etc. of use by not shown pipeline etc. from air conditioner.Further, in each accompanying drawing, dotted arrow represents wind direction.
There is the 1st mobile vent passages 2a of air supply in main body 1 inside and induce the 2nd vent passages 2b of the air supply ejection use of being used by the air of conditioned space S.The 2nd vent passages 2b is arranged at the leeward of the 1st vent passages 2a.Air quantity regulon V possesses the 1st adjustment means 3a, the 2nd adjustment means 3b that the air supply from the 2nd vent passages 2b ejection and the mixing ratio that is induced air are regulated that the air fed air quantity to blowing out from the 1st vent passages 2a regulates and makes the 1st adjustment means 3a and the 2nd adjustment means 3b interlock or it is driven respectively, makes the driver element D of the ventilation-sectional area increase and decrease of the 1st vent passages 2a and the 2nd vent passages 2b.The 1st adjustment means 3a and the 2nd adjustment means 3b have respectively nut portion at central part separately.The 1st vent passages 2a is made up of with inner peripheral surface 17 and the 1st adjustment means 3a the air supply circulation of main body 1, and the 2nd vent passages 2b is made up of with short cylindrical portion 18 and the 2nd adjustment means 3b the air supply circulation of main body 1.Like this, the 1st adjustment means 3a and the 2nd adjustment means 3b are also used as vent passages member of formation and vent passages open and close member, therefore can seek to reduce component number and reduce costs.And can freely the changing of the formation of the 1st adjustment means 3a and the 2nd adjustment means 3b, the 1st vent passages 2a and the 2nd vent passages 2b, structure, be not limited to the example shown in legend.For example also can form the structure of the 1st vent passages 2a and the leeward of the 1st adjustment means 3a in the 2nd vent passages 2b and the 2nd adjustment means 3b.
The controller 4 of controlling the action of this driver element D has according to for example, being made described the 1st vent passages 2a by the air-conditioning load of conditioned space (temperature) or/and the 1st module of the air quantity of the 2nd vent passages 2b increase and decrease.And controller 4 has the air quantity that regulates the 2nd vent passages 2b according to the air quantity increase and decrease of the 1st vent passages 2a, blow out air supply and the 2nd module that is induced air with certain mixing ratio, or/and utilize the 1st adjustment means 3a to make the 1st vent passages 2a become the state of opening a little, the 3rd module (with reference to Fig. 4) of utilizing the 2nd adjustment means 3b that the 2nd vent passages 2b is closed completely to stop blowing out.Even the increase and decrease of the air quantity of for example the 1st vent passages 2a of described the 2nd module also can be carried out air quantity adjusting, so that the wind speed of the 2nd vent passages 2b does not does not increase and decrease, make air supply and be induced air to have the mixing ratio of regulation.Controller 4 can arrange respectively also and can form as one with main body 1.
The transmission mechanism L that driver element D possesses actuator 5 and utilizes the power of actuator 5 that the 1st adjustment means 3a and the 2nd adjustment means 3b are moved.Transmission mechanism L has and utilizes the power of actuator 5 to make the 1st adjustment means 3a and the 2nd adjustment means 3b interlock while spiral advance and retreat, increases and decreases the screw component 6 of the ventilation-sectional area of the 1st vent passages 2a and the 2nd vent passages 2b simultaneously.Screw component 6 has the external screw portion coordinating with the nut portion of the 1st adjustment means 3a and the external screw portion coordinating with the nut portion of the 2nd adjustment means 3b, and by an external screw portion with respect to another external screw portion, screw thread oppositely forms.This screw component 6 is by means of the powered rotation of actuator 5, and the 1st adjustment means 3a and the 2nd adjustment means 3b move round about, mutually close, mutually deviate from.Screw component 6 and the 1st adjustment means 3a and the 2nd adjustment means 3b arrange the mechanism that rotates not together also can, for L, gear, conveyer belt, cam, link or other structures can (not shown) for transmission mechanism.Again, also actuator 5 can be located at respectively to the 1st adjustment means 3a and the 2nd adjustment means 3b above moves.The motor that actuator 5 adopts is electronic, oil pressure or pneumatics etc. drive, but hydraulic cylinder (cylinder) also can be adopted.
The inner surface 10 of the air supply introduction part 11 of hollow form is formed as ring-type, departs from central part air outlet 16 is set, sending into air supply to Zhou Fangxiang along this annular inside surface 10 in air supply introduction part 11.In the inside of air supply introduction part 11, framework 12 is set, forms the interval parts 13 of ring-type.Air taking port 16 is set, sending into air supply to Zhou Fangxiang along the interval parts of this ring-type 13.Hold actuator 5 in the inside of framework 12.Further, in legend, the inner surface of air supply introduction part 11 is formed as circle, but can be also polygon.And can save framework 12.
Air quantity regulon V is set in the inside of main body 1.As shown in Figure 5, front end blows out portion 7 and air supply introduction part 11 is, its suitable position links, separates freely formation, and loads and unloads freely and form with coupling members such as screws.Form from taking off that this front end blows out portion 7 and the peristome of the air supply introduction part 11 exposed can be looked down the structure of air quantity regulon V.The 2nd adjustment means 3b is formed as the large bamboo hat with a conical crown and broad brim shape of hollow form or leeward opening, and ligthing paraphernalia 14 or/and to detected the detector 15 of output signal by the human body of conditioned space S is set therein.Also can form the structure that can blow out according to the signal controlling of this detector 15 light modulation of air quantity and/or ligthing paraphernalia.
Further, the invention is not restricted to above-described embodiment, in the scope that does not exceed object of the present invention, changing design is freely.Example as shown in Figure 6, induces air channel 8 and blows out air channel 9 also to form the tetragonal polygon ring-type that comprises expanding from upwind leeward.Also can adopt and omit the 1st vent passages 2a and the 1st adjustment means 3a or the 2nd vent passages 2b and the 2nd adjustment means 3b, only to blow out the air quantity regulon V(that air quantity controls not shown to air fed).
Claims (5)
1. a variable air quantity blowout apparatus, is to use the air supply induction of sending into from outside to be mixed the backward described variable air quantity blowout apparatus being blown out by conditioned space (S) by the air of conditioned space (S), possesses
Described air supply be induced main body (1) that air flows therein and
Control described air supply with described in be induced the mixing ratio of air and the air quantity regulon (V) that blows out air quantity of mixing air,
Described main body (1) inside have air supply therein flow the 1st vent passages (2a) and for ejection in order to induce by air fed the 2nd vent passages (2b) of the air of conditioned space (S),
Described air quantity regulon (V) possesses the 1st adjustment means (3a) that the described air fed air quantity to blowing out from described the 1st vent passages (2a) regulates, to the described air supply from described the 2nd vent passages (2b) ejection with described in be induced the 2nd adjustment means (3b) that the mixing ratio of air regulates, and make described the 1st adjustment means (3a) and the 2nd adjustment means (3b) interlock or drive respectively described the 1st adjustment means (3a) and the 2nd adjustment means (3b), and the driver element (D) that the ventilation-sectional area of described the 1st vent passages (2a) and the 2nd vent passages (2b) is increased and decreased,
Described variable air quantity blowout apparatus also possesses the controller (4) of the action of controlling described driver element (D), the increase and decrease of the air quantity of with good grounds described the 1st vent passages (2a) of described controling appliance, regulate the air quantity of described the 2nd vent passages (2b), and by described air supply with described in be induced the module that air blows out with certain mixing ratio, and/or utilize described the 1st adjustment means (3a) to make described the 1st vent passages (2a) become the state of opening a little, and utilize described the 2nd adjustment means (3b) to make described the 2nd vent passages (2b) close the module that stops blowing out completely,
Described driver element (D) possesses actuator (5) and utilizes the power of this actuator (5) to make the 1st adjustment means (3a) with the 2nd adjustment means (3b) interlock while spiral advance and retreat, increase and decrease the screw component (6) of the ventilation-sectional area of the 1st vent passages (2a) and the 2nd vent passages (2b) simultaneously
Described main body (1) have by air supply and the mixing air that is induced air be directed to by the mixing air of conditioned space (S) blow out air channel (9), will described in be induced air and spray from being guided into described mixing air by conditioned space (S) and blowing out the induction air channel (8) in air channel (9) and make described air supply blow out air channel (9) to described mixing air, and from described the 2nd vent passages (2b) of described induction air channel (8) induced air.
2. variable air quantity blowout apparatus according to claim 1, is characterized in that,
Wherein said mixing air blows out the circular or polygonal looped duct that air channel (9) is formed as expanding from upwind leeward, blowing out along described mixing air described in the periphery of passage (9) induces air channel (8) to be formed as ring-type, the windward inlet portion that blows out air channel (9) at described mixing air is communicated with described induction air channel (8), is formed as ring-type and blow out the 2nd vent passages (2b) described in the windward inlet portion in air channel (9) along described mixing air.
3. variable air quantity blowout apparatus according to claim 1 and 2, it is characterized in that, the inner surface (10) that forms the air supply introduction part (11) of the hollow form of a part for main body (1) is formed as ring-type, described air supply introduction part (11) is provided with air outlet (16), sending into air supply to Zhou Fangxiang along this annular inside surface (10).
4. variable air quantity blowout apparatus according to claim 1 and 2, it is characterized in that, the inside that forms the air supply introduction part (11) of the hollow form of a part for main body (1) is provided with framework (12), to form the interval parts (13) of ring-type, described air supply introduction part (11) is provided with air outlet (16), sending into air supply to Zhou Fangxiang along the interval parts of this ring-type (13), hold the actuator (5) of a part that forms air quantity regulon (V) in the inside of described framework (12).
5. variable air quantity blowout apparatus according to claim 1 and 2, it is characterized in that, described air quantity regulon (V) is arranged on the inside of described main body (1), the front end that handling form described main body (1) freely blows out portion (7) and air supply introduction part (11), forms and blows out the structure that the peristome of the described air supply introduction part (11) that portion (7) exposes can be overlooked described air quantity regulon (V) from unloading described front end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010163936A JP5028511B2 (en) | 2010-07-21 | 2010-07-21 | Variable air blowing device |
| JP2010-163936 | 2010-07-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102345922A CN102345922A (en) | 2012-02-08 |
| CN102345922B true CN102345922B (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200148941U Expired - Lifetime CN201983401U (en) | 2010-07-21 | 2011-01-18 | Variable air volume blowout device |
| CN201110020346.4A Active CN102345922B (en) | 2010-07-21 | 2011-01-18 | Variable air quantity blowout apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2011200148941U Expired - Lifetime CN201983401U (en) | 2010-07-21 | 2011-01-18 | Variable air volume blowout device |
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| JP (1) | JP5028511B2 (en) |
| CN (2) | CN201983401U (en) |
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| JP4999941B2 (en) * | 2010-01-15 | 2012-08-15 | 木村工機株式会社 | Pneumatic attracting radiation unit |
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2010
- 2010-07-21 JP JP2010163936A patent/JP5028511B2/en active Active
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2011
- 2011-01-18 CN CN2011200148941U patent/CN201983401U/en not_active Expired - Lifetime
- 2011-01-18 CN CN201110020346.4A patent/CN102345922B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201983401U (en) * | 2010-07-21 | 2011-09-21 | 木村工机株式会社 | Variable air volume blowout device |
Non-Patent Citations (2)
| Title |
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| JP特开2001－4197A 2001.01.12 |
| JP特开平7-318102A 1995.12.08 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102345922A (en) | 2012-02-08 |
| CN201983401U (en) | 2011-09-21 |
| JP2012026611A (en) | 2012-02-09 |
| JP5028511B2 (en) | 2012-09-19 |
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