CN2162613Y - Cooling fan - Google Patents

Abstract

The utility model relates to a cooling fan, mainly composed of a motor (1), a driving shaft (3), a fan blade (15), a wheel hub (19), tight cap nuts (20), a machine body (25), ten evaporating boxes (4), (5) which are communicated, and a speed-regulating switch (56). An air outlet (55) arranged on the back surface of the outer end of the cooling fan blade (15) is communicated with each evaporating box. When the fan runs, the air outlet (55) produces the suction effect, and the depressurization, the evaporation, the heat absorption and the cooling of each evaporating box can be realized; accordingly, the potential energy source is developed, and the cooling capacity from 700W to 800W can be realized. The cooling medium of the cooling fan is water, and less consumption of the cooling work comes from the friction resistance of the driving shaft (3) and the wind resistance of the fan blade 15.

Description

Cooling fan

The present invention separates cool a kind of equipment for the hot summer, specifically is a kind of electric fan that can send cold wind.

Existing electric fan on the market only has the forced ventilation function, thus room temperature near in addition when being higher than human body temperature, its air-supply is hot blast, not only can not separate cold, and bright people's sense is arranged.Thereby the consumer lack to require changes its function, wishes electric fan except possessing general forced ventilation function, also possesses the cold wind function that wind pushing temperature is lower than room temperature.

For achieving the above object, thermantidote of the present invention is by a motor 1, one is aided with holding screw and connects arbor 2, its axis direction scrapes out pipe 9(termination, hollow garden and is shut by interior spiral shell 52), have horizontal air entry 27 in axis radius one side again, gas outlet 21, and the power transmission shaft 3 at the comprehensive evaporation tank of hermetically passing 4 centers, 2 of upper layer, 7 of lower floors are equipped with cover plate 38, evaporation jig 39, evaporation tank 49, be communicated with short tube 32, overflow plate 37, deflector 36, tapping pipe 42, transparent plastic communicating pipe 43, evaporation tank 5 sealings of four hold-down nut 46 annexes such as grade are communicated with, and be convenient to install power transmission shaft 3, rolling bearing 7, implement packing seal 10, friction top 8 is installed, make the air entry 27 motions comprehensive evaporation tank 4 therebetween of power transmission shaft 3, four make above ten evaporation tanks and supporting plate 29 be able to position constraint, and make it the brandreth 45 being convenient to install and remove, one with rubber ring 53,54, sealing, its centre bore cooperates the back to form ring cavity 22 with power transmission shaft 3 corresponding sites, and the electric fan wheel hubs 19 that gas outlet 21 is led directly to therebetween, one group with wheel hub 19 composition one, set gas outlet 55(joins adjustable closing door on it), hollow flat tube 16 can lead directly to the flabellum 15 of ring cavity 22, a stationary hub 19 also compresses the tightening nut 20 of rubber ring 53, one is fixed on the body 25, be square behind the preceding garden, the air conducting cover 14 that garden end internal diameter is more bigger than impeller outer diameter, one group of wind direction adjusting plate 17, balancing pole 18 and support seat board 58, a blinds air intake window 24 is joined air cleaner 23, body 25 and be affixed on the heat insulation layer 28 of body wallboard internal layer, 47, a water-accepting basin 51, one can be by 12, one back doors 30 of top cover of ironware 11 position constraints and the compositions such as under-chassis 26 of four adjustable height when starting.

Top layer evaporation tank cover plate 38 is provided with water filling port 13 and joins seal closure, in the comprehensive evaporation tank 4 except that above-mentioned evaporation tank be equipped with, single evaporation tank 49 is divided into left and right sides evaporation tank, and is provided with the connection tubule of two evaporation tanks.Each evaporation tank cover plate 38 is provided with rubber sheet gasket 35 with casing 4 and 5 between suitable for reading, and implements to compress sealing with screw rod.

Below, further describe structure of the present invention and advantage by example:

Fig. 1 is the front view of this thermantidote

Fig. 2 is the A of this thermantidote ... the A cross section view

Fig. 3 is the B of this thermantidote ... the B cross section view

Fig. 4 is the rear view of this thermantidote

Fig. 5 is that the impeller of this thermantidote cooperates diagrammatic sketch with power transmission shaft

Fig. 6 is this thermantidote flabellum E ... the branch face figure of E section uplifting pressure

Fig. 7 is the G of Fig. 5 ... the G cross section view

Fig. 8 is the E of Fig. 5 ... the E cross section view

Fig. 9 is the F of Fig. 5 ... the F cross section view

Figure 10 is the C of this thermantidote ... the C cross section view

Figure 11 is a brandreth first three-dimensional view

Figure 12 is a brandreth second three-dimensional view

Figure 13 is evaporation tank Z type, ZA type configuration diagram

Figure 14 is the H of Figure 13 ... the H cross section view

Figure 15 is a pressure-plotting before and after the blower fan

Figure 16 is this thermantidote electrical equipment speed-regulating switch line chart

As shown in Figure 15, when electric fan rotates at a high speed, pressure distribution is remarkable variation before and after the fan, fan rear portion static pressure pix approximates the negative pressure value of-25 millimeters of water with occurring, simultaneously as shown in Figure 5, because of flabellum is airfoil, according to Bernoulli Jacob's fluid principles, its E ... a negative pressuren zone and negative pressure peak value will appear in the top on the E section, allow the negative pressure peak point over against the gas outlet 55, so total negative pressure value at 55 places, gas outlet just equals the superposition value of two negative pressure peak values among Fig. 6 and Figure 15, centrifugal action when gas molecule is rotated at a high speed by dead axle in the hollow in addition flat tube 16, thus make gas outlet 55 produce comprehensive swabbing effect, just as aspiration pump, gas in evaporation tank 4 and 5 is outwards extracted out continually, dynamic equilibrium occurred with gas outlet 55 place's static pressures until evaporation tank 4 and 5 internal gas pressures.Like this, because step-down can make evaporation rate accelerate, evaporation then produces the principle of decalescence, thus this thermantidote when implementing general air-supply, the while is auxiliary refrigerating additionally, makes wind pushing temperature be lower than room temperature.

By Figure 13 ... 14 as can be known, and evaporation tank 4 and 5 inwalls post absorbent gauze 41, are provided with evaporation tank 49 in the case, and evaporation jig 39, frame are provided with absorbent gauze 40, thereby disengagement area increases about 0.6 times.As calculated, the evapo tranpiration area is about 2.4 square metres and gets final product.According to Wuhan City's central meteorological observatory data, the highest daily evaporation amount of table in summer was 12.4mm in 1992, then a hour amount evaporation capacity is 12.4/24=0.517mm, under the equality of temperature condition, decompression evaporation is not subjected to outside relative humidity and Influences on Wind Velocity, its evaporation rate is generally than very fast, and is also more stable, now gets

Hour evaporation capacity: 0.517mm

Latent heat of vaporization value: 574 kilocalories/kilogram

Evapo tranpiration area: 2.4 square metres

The refrigerating capacity that can calculate this thermantidote is as follows:

Q=2.4m ²* 0.000517m/h * 1000kg/m ³860 kilocalories/h of * 574 kilocalories of/kilogram ÷ * 1000 watts

=828 watts

(860 kilocalories/h=1KW)

By Fig. 1 ... 16 as can be known, thermantidote of the present invention is provided with compressor is set, freon also useless, only by a motor 1 of making air-supply usefulness and ten to external seal and the evaporation tank 4 that interconnects and 5 and case at the bottom of heat absorbing sheet 6, its refrigeration is to obtain by developing present potential energy source.

As seen, notable feature of the present invention is to make flabellum 15E ... the E section is airfoil, and developed impeller when rotating at a high speed, flabellum 15E ... the top circumferentially adds flabellum behind axially because the negative pressure that the air intake acceleration occurs simultaneously on the E section, be subjected to the comprehensive effect of these three aspects of centrifugal action with gas molecules in the hollow flat tube 16, make gas outlet 55 by hollow flat tube 16, ring cavity 22, gas outlet 21, hollow garden pipe 9, air entry 27 grades realize the decompression evaporation in evaporation tank 4 and 5, absorption refrigeration and form inlet channels by heat absorbing sheet 6 is realized the heat exchange to air intake.The opposing party of its feature is, by the multiple layer combination structure of evaporation tank 4 and 5, realizes the large-area sweat cooling of overlapping type, the sufficient heat exchange of long flow process, thus reach the effect that electric fan can send cold wind.

This thermantidote is in when air-supply refrigeration, and the vapour molecule of running out of from evaporation tank 4 and 5 is arranged in the airy room, the short time will delivery chamber outside.According to Wuhan City's central meteorological observatory data, the stove Chengwu Chinese, in the summer high temperature time, relative humidity is 35%, and the room that the people lives, relative humidity is with 60 ... 70% for suitable, thus to the room of circulation of air and drying, do an amount of wet be useful.And because this thermantidote wind pushing temperature is lower than room temperature, humidity is suitable, so make the people produce nice and cool sense with fresh air.

From Fig. 3,13,14 as can be known, be equipped with water outlet tubule 42 under each evaporation tank, and it is continuous with lucite pipe 43 sealings, 43 times head-clamps of plastic tube extremely seal, water liquid height can be obvious at a glance from plastic tube in the evaporation tank 4 and 5, if do not need refrigeration, open tapping to empty with gas outlet 55 sealings or with 43 times end closures of plastic tube, then can implement general air-supply.Top layer evaporation tank cover plate 38 is provided with water filling port 13 and joins spiral cover, takes off spiral cover when evaporation tank 5 water fillings, and from top to bottom, water is automatic overflow completely then, until 44 water outlets of bottom evaporation tank water nozzle, promptly shows and all fills with.

Figure 10 ... brandreth shown in 12 45 is evaporation tank 4 and 5 and the positioning supporting frame of supporting plate 29, and its two ends up and down are fixed on the body, and brandreth 45 first are angle steel, brandreth 45 second are provided with the hinge 50 of living, pass hole 48 with nut 46 combinations with screw rod, can make evaporation tank 4 and 5 be easy to mounting or dismounting, firm position.The fixedly screw of supporting plate 29 usefulness is arranged on the brandreth.When each evaporation tank fall successively from bottom to up the position fixing after, evaporation tank 4 and 5 upper-lower seal short tube 32 and 33 cooperate by male and female and connect, and establish rubber ring 34 on the composition surface, at the external rubber case 31 of pipe, can satisfy the requirement of airtight of water tightness.It is to connect the passage that each layer evaporation tank implemented moisturizing, also is to connect each layer evaporation tank suction vapour molecule, implements the passage of many compartments of large tracts of land decompression evaporation.

From Fig. 1 and Figure 16 as can be known, during the air-supply of this thermantidote, by speed-regulating switch 56 can realize manual pass, stop with one, two, the third gear rotating speed, when speed regulator work, signal lamp 57 demonstrations are arranged.

The power transmission shaft 3 of this thermantidote can be made by ferroalloy and add the chromium plating processing, also can make by nichrome, evaporation tank 4 and 5 can be by the good aluminium alloy of heat conduction, nickel alloy or ferroalloy are made, body 25 and member 8,11,13,26,45 grades all can be made by ferroalloy, fan 15,19,20 can be made by intensity high ferroalloy or engineering plastics, airtight and watertight padding is a soft graphite, air regulating board 17, balancing pole 18, support seat board 58, blinds air intake window 24, air conducting cover 14, water-accepting basin 51, machine cap 12, back wicket 30 grades all can be made by engineering plastics, and air cleaner 23 can be made by foamed plastics.

From the above mentioned, this thermantidote also has fragrant function except possessing refrigerating function, humidification function and general forced ventilation function as can be known, only needs to take out the perfume that injects a small amount of own satisfaction in the case 5 to steaming, and perfume will prolongedly be covered with the room equably.It can develop potential and reach 700-800 watt when work.The wind that it is discharged, peace and quiet fresh, hygienic quality surpasses air-conditioning, and its effect makes the people feel nice and cool as blowing from the streams, mountain valley.

Claims (2)

1, a kind of thermantidote, it is characterized in that it is mainly by a motor (1), one connects arbor (2), and by flexible graphite packing (10), 7 overlapping types of hermetically passing connection 2 lower floors in upper strata are installed in series and are equipped with evaporation jig (39), evaporation tank (49), overflow plate (37), tapping pipe (42), be communicated with short tube (32), cover plate (38), pad (35), heat absorbing sheet (6), the comprehensive evaporation tank 4 of the evaporation tank (5) of hold-down nut (46), its inner end is made hollow garden pipe (9), the termination is shut by interior spiral shell (52), and on garden pipe (9) tube wall, have the power transmission shaft (3) of the gas outlet (21) of the air entry (27) of straight-through comprehensive evaporation tank (4) and straight-through ring cavity (22), a same power transmission shaft of its endoporus (3) cooperates the installation back to form and holds the ring cavity (22) of gas outlet (21), and by 20 pairs of pads of nut (53), (54) enforcement compresses the wheel hub (19) of sealing, one group of same wheel hub (19) fixes as one, its back side, outer end establishing has the gas outlet (55) of adjustable closing door, can lead directly to the airfoil flabellum (15) of ring cavity (22) along hollow flat tube (16), a water filling port (13) that is provided with seal cover, one with each evaporation tank tapping pipe (42) sealing socket, the lucite pipe (43) that its tail end can be felt well and extremely be sealed, an overflow water that shows that whole evaporation tanks are filled to full bottom evaporation tank 5 is chewed (44), a water spilage tray (51), a back wicket (30), a shutter (24) is joined air cleaner (23), one group of air regulating board (17), support seat board (58), one connects the body (25) of each parts and is affixed on the interior heat insulation layer (28) of body wallboard, (47), one can be by the top cover (12) of iron body (11) position constraint when starting, one is square behind the preceding garden, the air conducting cover (14) that garden end internal diameter is more bigger than electric fan impeller (15) external diameter, 4 brandreths (45) that make 10 evaporation tanks and supporting plate (29) firm position, 4 under-chassis (26), one group of electrical equipment speed-regulating switch (56) and signal lamp (57) are formed.

2, thermantidote as claimed in claim 1, the set gas outlet (55) that it is characterized in that airfoil flabellum (15) back side, outer end is along the hollow flat tube of blade interior (16) process ring cavity (22), gas outlet (21) on the axle (3), hollow garden pipe (9), air entry (27) arrive the suction line of comprehensive evaporation tank (4), along the journey dynamic seal (packing), the working medium of evaporation tank (4) and (5) interior absorption refrigeration is water for outside atmosphere; Each other the short tube of connection up and down (32) and (33) are that male and female cooperates between ten evaporation tanks that interconnect, rubber ring (34) is established on the composition surface, the outer encirclement of pipe implemented the tight rubber case (31) of gas, tapping pipe (42) and water filling port (13) are all sealed, each evaporation tank top cover (38) is provided with pad (35) with suitable for reading of casing, and implements tightening seal by screw rod.

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