CN102095236A

CN102095236A - Ventilation device

Info

Publication number: CN102095236A
Application number: CN201110039866XA
Authority: CN
Inventors: 曾小颖; 曾振祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-02-17
Filing date: 2011-02-17
Publication date: 2011-06-15
Anticipated expiration: 2031-02-17
Also published as: CN102095236B

Abstract

The invention discloses a ventilation device, which aims to solve the problem that the conventional ventilation device does not have an air adjusting function. The device comprises a pedestal, a high-speed air blower and an annular ejector, wherein the high-speed air blower is arranged at the bottom of the pedestal; the annular ejector is arranged at an air outlet of the high-speed air blower and is fixed on the pedestal; and the air inlet or the air outlet of the high-speed air blower is provided with a vapor generator which is fixed on the pedestal for producing water vapor. In the ventilation device, the water vapor is produced through the vapor generator and is ejected through an atomization nozzle at a high speed to produce fog of smaller granularity, so that a hot air flow can more easily absorb the latent heat of vaporization, and the ventilation device has a humidification effect and a heat absorption and temperature reduction effect on a large amount of hot air sucked by the annular nozzle, and brings comfortable cool air similar to air on the shore of a lake or a sea to the surrounding environment. In the ventilation device, an external circulating device is not required to be mounted, so the cost is low; the space is not required to be closed, so that air convection is guaranteed; and the ventilation device is more energy-saving in the same temperature reduction range compared with a fan and an air conditioner, and can be used conveniently and safely.

Description

A kind of ventilation unit

Technical field

The present invention relates to a kind of ventilation unit, relate in particular to the adjustable ventilation unit of a kind of air themperature, humidity and flow velocity, be particularly suitable for using in dry hot area.

Background technology

Existing ventilation unit normally is equipped with tangible blade, or as the ventilation unit (as the device of introducing among Chinese invention patent application CN200910253241.6 and the utility model patent CN200920292940.7) of the on-bladed form that occurs recently.These ventilation units only are at air velocity, and have done some on the uniformity that flows and improved, though aeration-cooling effect is all arranged, do not possess the function of air conditioning.Therefore this one-sided dependence improves the cooling that air velocity brings, and effect is often not obvious, in order to improve cool effect, has only the ventilation unit of raising rotating speed, but has increased power consumption simultaneously.

On the other hand, the factor that influences indoor human body comfort level sensation is: the temperature of air, humidity, flow velocity and pure and fresh degree.Increasing wind speed in many cases merely makes the people feel very uncomfortable on the contrary, for example: on the car of running at high speed on the torridity summer asphalt road, although wind speed is very high, but dry hot blast still allows the people feel uncomfortable, yet a burst of gentle breeze whips and allows the people feel comfortable especially on the contrary when lakeside is taken a walk.

In addition, under the situation of indoor use, people wish ventilation unit safety, and are small and exquisite, convenient.Hide the impeller form and make the user can not see movement parts, not only safety but also compact volume and convenience novelty during use.

Summary of the invention

In order to overcome the defective that existing ventilation unit does not possess the air conditioning function, the present invention aims to provide a kind of hiding impeller form, the ventilation unit that has the suction of sprayer unit and nozzle ring, this ventilation unit can be used for regulating temperature, humidity and the flow velocity of air, brings to surrounding environment to be similar to the seashore, lakeside and to blow comfortable nice and cool wind.

To achieve these goals, the technical solution adopted in the present invention is: described ventilation unit comprises base, is located at the high-speed fan of base bottom, and its design feature is, is provided with the annular ejector that is fixed on the base at the air outlet of described high-speed fan; Be provided with at the air inlet of described high-speed fan or air outlet and be fixed on being used on the base and produce the steam generator of steam.

Further, the venthole of described steam generator is provided with spraynozzle, and the jet exit of this spraynozzle is positioned at the below of described annular ejector.

Further, described annular ejector comprises circular passage and a plurality of special-shaped nozzles that are located on the circular passage.Described steam generator comprises water tank, and this water tank is communicated with a ultrasonic ultrasonic delay line memory by pipeline.Described spraynozzle comprises a sprayer, and the port of export of this sprayer is provided with nozzle.Described nozzle is preferably convergent-divergent channel.

Further, be provided with demister in the described steam generator, water is atomized into the steam that particle diameter is 1～5 μ m by described ultrasonic ultrasonic delay line memory under the resonance of ultrasonic wave wafer, be preferably 3 μ m, atomization quantity can be regulated, and is preferably 50-400ml/hr, more preferably 350ml/hr.

Be provided with before the steam generator and hide leaf formula high-speed fan, air-flow is sucked by the support bottom, and the forced air amount that is not less than 450Pa by high-speed fan is only for by a large amount of hot-airs of nozzle ring suction This and existing blade fan arranged, its throughput is caused to compare by impeller fully wants energy-conservation many.The air-flow that comes out from high-speed fan is divided into two-way, and one road air-flow enters nozzle ring via the circular passage and sprays at a high speed, aspirates the center flow of ambient air to nozzle ring in a large number.The flow of its suction is tens times of injection flow.The effect of the flow of its suction depends primarily on the speed of injection, and the speed of spraying depends on the blast of high-speed fan, and the size of blast depends on rotating speed.Therefore, regulate its rotating speed, can regulate the air quantity size of this ventilation unit.Another road air communication is crossed the steam generator, sprays with high velocity air after the steam that this steam generator is produced is sent into the further refinement of spraynozzle.Mist vapour after the refinement mixes evaporation rapidly with the hot-air of nozzle ring suction and absorbs a large amount of latent heats of vaporization, makes the air cooling-down of suction, increases airborne humidity simultaneously.

Steam generator of the present invention is by water tank, ultrasonic ultrasonic delay line memory, formations such as demister.Pure water is housed in water tank, is atomized into 1-5 μ m size

High-speed fan of the present invention is used to produce the jet-stream wind and the spraying air-flow of ventilation unit, and it is preferably the adjustable high-speed electric expreess locomotive of 7000-8000rpm, mixed type double shrouded wheel, passage diffuser and seal by rotating speed and constitutes.The rate of discharge of high-speed fan is preferably 8～12L/s, and high-speed fan air outlet pressure is not less than 450Pa.

Spraynozzle of the present invention is made of tube connector, joint, fog-spray nozzle, nozzle etc.Nozzle is designed to the form of convergent-divergent channel, mainly causes high speed airflow.The compressed air of being introduced by high-speed fan enters tube connector and nozzle, and the particle through the further refinement spraying of high speed jet improves the efficient of evaporation.

Annular ejector of the present invention, by the circular passage, base is taken over, and is arranged in the some special-shaped formations such as Zi, one of the lunar mansions and bend of spraying on the circular passage.The air-flow of high pressure is taken over from base and is entered, and enters special-shaped spray Zi, one of the lunar mansions by the circular passage and quickens the back ejection.Jet-stream wind flows along the attached wall of bend, and swabbing sucks a large amount of air at the center of annular ejector by jet-stream wind." spraying the ratio with the quality of aspirating " of being caused by jet-stream wind is 1: (10～20) are preferably 1: 15.Generally speaking, the air velocity that is provided by annular ejector is also not really high, but even and comfortable.

Base of the present invention is the support of this ventilation unit, also is high-speed fan simultaneously, the steam generator, spraynozzle, annular ejector, support.Play a part to form a connecting link and isolating seal.This ventilation unit can place the nice and cool place that ventilates of any needs.In the room, or in the compartment that moves or the like.

The present invention produces the steam of 3 μ m left and right sides size particles by the steam generator, after pressurizeing, spray with high speed from spraynozzle, produce the littler particle of fog, so that thermal current is easier to absorb its latent heat of vaporization, a large amount of hot-airs by nozzle ring suction not only there is the effect of humidification but also the absorbing and cooling temperature effect is arranged, bring around giving to be similar to the seashore, lakeside and to blow comfortable nice and cool wind.

Compared with prior art, the invention has the beneficial effects as follows: the present invention adopts the steam generator to produce steam, spray by the nozzle ring device, this is indoor, particularly the cooling-down effect in the area of dry sweltering heat is very obvious, has avoided one-sided dependence to improve the discomfort that the air velocity cooling brings, alternative existing ventilation unit, as various fans of the prior art or the like, can build a kind of a home from home of suitable people's life by local cooling's humidification.Though the present invention can not be as air-conditioning remarkable refrigeration, but it need not to install external circulating device with respect to traditional air-conditioning, so low cost of manufacture, be convenient to promote, and do not need enclosure space to cause not convection current of air, more energy-conservation with respect to fan or air-conditioning in same cooling scope, and easy to use, safe.

The present invention is by rotating speed, steam generator and the nozzle ring device etc. of controller adjusting high-speed electric expreess locomotive, and temperature, humidity, flow velocity and the pure and fresh degree of the feasible air that ejects are pleasant, the comfort level height.

Description of drawings

Below in conjunction with drawings and Examples the present invention is done elaboration further.

Fig. 1 is the structure principle chart of an embodiment of the present invention;

Fig. 2 is the side cut-away view of Fig. 1;

Fig. 3 is the structural representation of spraynozzle of the present invention;

Fig. 4 is that annular ejector of the present invention sprays flow field simulation result diagrammatic sketch;

Fig. 5 is near the simulation result diagrammatic sketch in the flow field injector of the present invention;

Fig. 6 is the simulation result diagrammatic sketch in spraynozzle of the present invention flow field;

Fig. 7 is the structure principle chart of the another kind of embodiment of the present invention.

In the drawings:

The 10-ventilation unit, the ring-like injector of 11-, the 12-special-shaped nozzle,

13-bend wall, 14-center suction passage, the 15-circular passage,

The 16-injector interface, the sealing of 17-injector interface, 20-steam generator,

The 21-water tank, the 22-water tank supports, the 23-pure water,

The 24-liquid level, the 25-ultrasonic ultrasonic delay line memory, the 26-demister,

27-injection spray pipe passage, the 28-sprayer, the 29-nozzle,

The 30-high-speed fan, the 31-buncher, 32-buncher resiliency supported,

The 33-mixing impeller, the 34-diffuser, the 35-air channel,

The 36-diffuser supports, 37-diffuser sealing ring, and the 40-base,

The 41-controller, 42-air flow inlet hole, the 111-injection stream,

112-sucks fluid, the 113-Laminar Flow, and the attached wall air-flow of 121-,

The 122-mixed airflow, the 291-convergent-divergent channel, 292-convergent-divergent channel inlet,

The outlet of 293-convergent-divergent channel, 294-convergent-divergent channel throat, 295-spraying jet.

The specific embodiment

A kind of ventilation unit as illustrated in fig. 1 and 2, comprises high-speed fan 30, steam generator 20, demister 26, sprayer 28, and ring-like injector 11.Described ring-like injector 11 is installed on the base 40, and controller 41, air flow inlet hole 42, high-speed fan 30 and steam generator 20 are housed in the bottom of base 40.Sprayer passage 27 is installed under the described ring-like injector 11.In conjunction with Fig. 2 and Fig. 3, air is introduced by the air flow inlet hole 42 of base 40, enter high-speed fan 30 inlets, obtain energy by the mixing impeller 32 that is connected on the buncher 31, behind diffuser 33 diffusions, discharge by high-speed fan 30, divide two stocks not enter ring-like passage 15 and steam generator 20 tops.One air-flow flows into ring-like injector 11 and is sprayed at a high speed by special-shaped nozzle 12 through circular passage 15, another burst air communication is crossed steam generator 20 and is mixed inflow injection spray pipe passage 27 with the water smoke that demister 26 produces, sprayer 28 is gone out by as shown in Figure 3 nozzle 29 high velocity jet at last, and water fog particle obtains further refinement.The air pressure that comes out from high-speed fan 30 is preferably 450-1500Pa, and the ratio of throughput that flows into the throughput of ring-like injector 11 and flow into steam generator 20 is between 1%-10%.

The water smoke of described steam generator 20 is produced by ultrasonic ultrasonic delay line memory 25, and its atomization quantity is controlled to be 50-400ml/hr.The water smoke particle diameter is about 1-5 μ m, mixes the back with part compressed air and flows into sprayer 28, is gone out by nozzle 29 high velocity jet.In conjunction with Fig. 6, described nozzle 29 is arranged to convergent-divergent channel 291 forms, mixed airflow enters convergent-divergent channel inlet 292 and produces at a high speed in convergent-divergent channel throat 294, flow velocity is preferably 20-60m/s, export 293 places at convergent-divergent channel and form spraying jet 295, after mixing rapidly near the mixed zone spraying jet 295 simultaneously, the evaporation heat absorption, cooling increases humidity.

As shown in Figure 2, pure water 23 adds in high-speed fan 30 idle situations next time, opens sprayer 28 backs and is joined in the water tank 21 by injection spray pipe passage 27, joins the liquid level 24 of water tank 21 required controls.Liquid level 24 being controlled between the 40-50mm from water tank 21 excessive faces.

Described ring-like injector 11 is provided with circular passage 15, special-shaped nozzle 12, bend wall 13, and passive injector interface pipe 16 and the injector interface sealing 17 of playing the sealing gland effect.In conjunction with Fig. 4 and shown in Figure 5, one mainstream gas of coming out from high-speed fan 30 enters and is incorporated into special-shaped nozzle 12 ejection and form attached wall air-flow 121 attached to bend wall 13 at a high speed behind the circular passage 15, forms injection streams 111 from the ring-like injector 11 later attached wall air-flow 121 that comes out.Injection stream 111 is at the stream scooter 3-5m/s at 1.2m place, and through-current capacity can reach 100-2001/s.Referring to Fig. 4, the attached wall air-flow 121 of the high speed of coming out through described ring-like injector 11 is because swabbing action sucks a large amount of extraneous airs in center suction passage 14, and it aspirates than being 1: (10～20).Air-flow by center suction passage 14 is close to Laminar Flow 113 forms mobile forward with injection stream 111 and spraying jet 295.Thereby cause very comfortable stably wind speed.

Described high-speed fan 30 is preferably axisymmetric shape, and it is installed in the centre of base 40 bottoms, and for reducing the vibration of high speed rotary spare, buncher 31 is by resiliency supported 32 supportings.

Mixing impeller

33 and 31 vertical linking to each other of buncher are convenient to reduce the wearing and tearing to axle bush that mixing impeller 33 deadweights cause.The inlet air flow of high-speed fan 30 sucks from the air flow inlet hole 42 of base 40 bottoms, passes through buncher 31 then, and this cooling to electrical equipment plays better action.Obtained higher kinetic energy through the air-flow behind the mixing impeller 33, and further improved its static energy, by air channel 35 outputs by diffuser 34.The fixture of high-speed fan 30 supports 36 and by diffuser sealing ring isolating seal about in the of 37 by diffuser, and purpose is in order to improve the efficient of high-speed fan 30.Controller 41 is installed in base 40 bottoms, and purpose is opened and regulated for convenient control ventilation unit 10.

Described ventilation unit 10 can have different sizes or height, can place arbitrarily, as on the wall or on the ceiling.Injector 11 also can be done into strips and ring-type arbitrarily, for use in various required occasions.

Embodiment 2

A kind of ventilation unit as shown in Figure 7, comprises base 40, is located at the steam generator 20 of base 40 bottoms and the high-speed fan 30 on base 40 tops.Air outlet at described high-speed fan 30 is provided with the annular ejector 11 that is fixed on the base 40; Be provided with at the air inlet of described high-speed fan 30 and be fixed on the base 40.The air that the steam that is produced by steam generator 20 enters with air flow inlet hole 42 is sent into high-speed fan 30, is ejected by ring-like injector 11, and reaches identical thinning effect.The design of this form is convenient to install a plurality of ultrasonic ultrasonic delay line memories 25, is suitable for dry especially local application.

Other structure of this ventilation unit is identical with embodiment 1 with operation principle, does not repeat them here.

Claims

1. a ventilation unit comprises base (40), is located at the high-speed fan (30) of base (40) bottom, it is characterized in that, is provided with the annular ejector (11) that is fixed on the base (40) at the air outlet of described high-speed fan (30); Be provided with at the air inlet of described high-speed fan (30) or air outlet and be fixed on being used on the base (40) and produce the steam generator (20) of steam.

2. ventilation unit according to claim 1 is characterized in that, the venthole of described steam generator (20) is provided with spraynozzle, and the jet exit of this spraynozzle is positioned at the below of described annular ejector (11).

3. ventilation unit according to claim 1 and 2 is characterized in that, described annular ejector (11) comprises circular passage (15) and is located at a plurality of special-shaped nozzles (12) on the circular passage (15).

4. ventilation unit according to claim 1 and 2 is characterized in that, described steam generator (20) comprises water tank (21), and this water tank (21) is communicated with a ultrasonic ultrasonic delay line memory (25) by pipeline.

5. ventilation unit according to claim 4 is characterized in that, is provided with demister (26) in the described steam generator (20).

6. ventilation unit according to claim 4 is characterized in that, the atomizing particle size of described ultrasonic ultrasonic delay line memory (25) is 1～5 μ m, and atomization quantity is 50-400ml/hr.

7. ventilation unit according to claim 2 is characterized in that, described spraynozzle comprises a sprayer (28), and the port of export of this sprayer (28) is provided with nozzle (29).

8. ventilation unit according to claim 7 is characterized in that, described nozzle (29) is convergent-divergent channel (291).

9. ventilation unit according to claim 1 and 2 is characterized in that, the rotating speed of described high-speed fan (30) is 7000rpm～8000rpm, and high-speed fan (30) air outlet flow is 8～12L/s, and high-speed fan (30) air outlet pressure is not less than 450Pa.

10. ventilation unit according to claim 1 and 2 is characterized in that, described base (40) bottom is provided with the controller (41) of opening and regulating described ventilation unit (10).