CN2082780U - Ultra-low-speed timing automatic speed regulator for electric fan - Google Patents

Abstract

The utility model discloses an ultra-low-speed timing automatic speed regulator for electric fan, comprising an inductance coil, a speed regulation timing linked switch (reference figure) and a timer which are cooperated and used in ordinary electric fans. The utility model enables electric fans to normally operate in an ultra-low-speed zone; people can select the optimal speed of wind according to own requirements; the speed regulation process is automatically and continuously carried out from high to low in an instituted time. So a problem that a start in low rate is difficult is avoided. The utility model solves the defects that ordinary speed regulators for electric fans can not make the electric fans normally operate in an ultra-low speed to meet the more wide requirements of people, in particular to requirements when people sleep at night in midsummer seasons.

Description

Ultra-low-speed timing automatic speed regulator for electric fan

The utility model is the improvement to regulator of fan.

General regulator of fan is made up of inductance coil and speed control switch two-part of ribbon core at present.This speed regulator, speed adjustable range is narrower.As the speed regulator of desk fan and upright fan, generally only establish the third gear rotating speed, respectively about 700 rev/mins, about 1000 rev/mins and 1300 rev/mins; The electric fan that has also has additional gentle breeze shelves, and its rotating speed is about 400 rev/mins, no longer sets than this lower rotating speed, and the electric current by inductance coil when reason is low speed is too little, and electric fan starts difficulty, the use of can not normally putting into operation.Ceiling fan owing to adopt multipolar dynamo, the rotating speed of comparable desk fan of its rotating speed and upright fan is low, mix hanging fan governor after, its rotating speed be five grades adjustable.Because the speed adjustable range of speed regulator is narrower, the wind speed of electric fan and air quantity change the needs that can not satisfy people's daily life, particularly night season in midsummer, people wished to have the rotating speed class lower than gentle breeze shelves to wish that the rotating speed of electric fan can be automatically from high step-down in bed, meet people's needs of gradually changing of " clear-headed--falling asleep--be sunk into sleep " three phases air quantity in bed, like this, people are fallen asleep pleasantly coolly, be unlikely again and catch a cold after sleeping and catch a cold.

The purpose of this utility model aims to provide a kind of electric fan Ultra-Low Speed timing automatic speed regulator, it can make electric fan (80-700 rev/min) in the Ultra-Low Speed zone run well and use, and can also in the time of setting in advance, fan speed be transferred to selected optimum speed automatically continuously from high to low, so both having overcome general electric fan adjustment speed device can not make electric fan normally start under Ultra-Low Speed, the shortcoming that running is used, the electric fan air quantity is automatically reduced gradually, satisfy people's physiological requirements in bed.Can also allow simultaneously people select the optimum speed of terminal hour and the time that selection enters optimum speed according to needs separately.Thereby obtain best wind speed air quantity in the desirable time, this speed regulation process is because of finishing automatically and continuously in the time of setting, so need not manually carry out speed governing.

Electric fan Ultra-Low Speed timing automatic speed regulator described in the utility model, mainly by the inductance coil ［ 1 ］ of ribbon core, speed governing is gang switch ［ 2 ］ and timer ［ 3 ］ composition regularly.The inductance coil of ribbon core ［ 1 ］ is serially connected in the electric fan circuit, and speed governing regularly gang switch ［ 2 ］ is installed in regularly on the main shaft ［ 5 ］ of ［ 3 ］.Regularly gang switch ［ 2 ］ is mainly by contact copper sheet ［ 8 ］, speed governing knob cylindrical contact copper sheet ［ 9 ］, timer rotation contact copper sheet ［ 10 ］, loam cake ［ 11 ］, double-sided wiring board ［ 12 ］ in speed governing knob ［ 6 ］, axle sleeve ［ 7 ］, the speed governing knob in speed governing, and lower cover ［ 13 ］, inductance coil tap elastic copper sheet ［ 14 ］ and power supply elastic copper sheet ［ 16 ］ wait other to constitute by part.Axle sleeve ［ 7 ］ is contained on the timer spindle ［ 5 ］.Speed governing knob ［ 6 ］ has several location apertures, matches with locking ball and spring ［ 15 ］ in the loam cake ［ 11 ］ during rotation, thereby plays the role of positioning.Double-sided wiring board ［ 12 ］ A face is the arcuation copper sheet, and the B face is the ring-type copper sheet, and the black line in A, the B two sides partly is no copper interstitial area, and clearance distance is about 0.2mm, and blank parts is for there being the copper wire district.There is the copper wire district A, the corresponding arcuation copper sheet in B two sides and ring-type copper sheet to be connected to form path respectively with little copper rivet.The projection part of double-sided wiring board ［ 12 ］ just in time embeds in the breach of speed governing knob ［ 6 ］.Several inductance coil tap elastic copper sheets ［ 14 ］ are embedded among the lower cover ［ 13 ］, and contact with double-sided wiring board ［ 12 ］ B face ring-type copper sheet respectively.When rotation speed governing knob ［ 6 ］, drive double-sided wiring board ［ 12 ］ rotates together, thereby changes the position of double-sided wiring board ［ 12 ］ A face arcuation copper sheet with respect to timer ［ 3 ］, thereby can select the final rotating speed (being that optimum speed is selected to set) of electric fan.Timer rotation contact copper sheet ［ 10 ］ one ends are copper contacts, and the other end is the ambroin piece ［ 17 ］ that is boning, and two ends all contact with double-sided wiring board ［ 12 ］ A face arcuation copper sheet, and the centre contacts with the interior copper sheet ［ 8 ］ that contacts of speed governing knob.And contact copper sheet ［ 8 ］ is the afterbody welding that contacts copper sheet ［ 9 ］ with cylindrical in the speed governing knob.When clockwise direction is twisted timer knob ［ 4 ］, drive timer rotation contact copper sheet ［ 10 ］ is followed timer spindle ［ 5 ］ and is turned to a certain position (being to set the time) together, let go the back it just along with timer spindle ［ 5 ］ revolution counterclockwise, its copper contact successively at double-sided wiring board ［ 12 ］ thus slide on the A face and change and the path of inductance coil tap elastic copper sheet ［ 14 ］.Last timer rotation contact copper sheet ［ 10 ］ rests on the final position OFF that timer spindle ［ 5 ］ stops operating.The current path of electric fan Ultra-Low Speed timing automatic speed regulator be successively power supply-→ power supply elastic copper sheet ［ 16 ］ → speed governing knob cylindrical contact copper sheet ［ 9 ］ → speed governing knob in contact copper sheet ［ 8 ］ → timer rotation contact copper sheet ［ 10 ］ → double-sided wiring board ［ 12 ］ A → double-sided wiring board ［ 12 ］ B → inductance coil tap elastic copper sheet ［ 14 ］ → inductance coil ［ 1 ］ → electric fan circuit.

The speed governing class of electric fan Ultra-Low Speed timing automatic speed regulator and every grade concrete rotating speed can design according to actual needs, the speed governing class generally be designed to 5～8 grades comparatively suitable, rotating speed should be practical at 80～700 rev/mins.The waiting time of each grade rotating speed, can design according to actual needs, be designed to grade in 4 minutes or 8 as every grade of rotating speed waiting time.

With certain electric fan (220V 65W) is object, the speed governing class of electric fan Ultra-Low Speed timing automatic speed regulator be designed to seven grades adjustable, then except that " 0 " shelves, three series of one-tenth capable of being combined totally 18 grades of rotating speeds, each grade rotating speed design is as shown in the table:

Each grade speed waiting time is designed to two series, and promptly each grade of series speed waiting time is 4 minutes, the green numeral of shelves number in the scale plate, and another series each grade speed waiting time is 8 minutes, uses red numeral.Actual using method is described as follows:

One, as requiring in the time of setting (as 30 minutes) fan speed to reduce to certain grade of rotating speed (as the 1-2 shelves, promptly 120 rev/mins) gradually from lowest gear (690 rev/mins) at ordinary times:

The time on the scale plate of earlier timer knob ［ 4 ］ being rotated to is 30 minutes position, and rotation is transferred again

Speed knob ［ 6 ］, make green (or red) " just " word location on its green " 0 " point (or red " 0 ") aligning scale plate, then press former electric fan speed control switch 1 key, treat to rotate speed governing knob ［ 6 ］ again after electric fan starts, make its green " 0 " point (or red " 0 " point) aim at own selected rotating speed green " 2 " shelves (or red " 2 " shelves) on the scale plate, the whole operation process has just been finished.Timer rotation contact copper sheet this moment ［ 10 ］ is along with timer spindle ［ 5 ］ revolution automatically counterclockwise, its copper contact slides on double-sided wiring board ［ 12 ］ A face successively and changes current path, thereby change fan speed, because it is continuous automatically that timer spindle ［ 5 ］ rotates, so this mode of speed regulation is also carried out automatically continuously, timer rotation contact copper sheet ［ 10 ］ just rests on the final position OFF that timer spindle ［ 5 ］ stops operating after 30 minutes, contact position on the double-sided wiring board that its contact contacted ［ 12 ］ the A face is a 1-2 shelves arcuation contact copper sheet, be exactly final rotating speed class green " 2 " shelves (or red " 2 " shelves) that electric fan is selected, just running always on 120 rev/mins rotating speed of electric fan, as being set at 0 grade originally, then after 30 minutes, electric fan stops automatically.

Two, directly do not use a certain shelves bottom gear (as promptly 120 rev/mins of 1-2 shelves) as wanting speed governing:

Timer knob ［ 4 ］ need only be rotated to the position of ON on the scale plate, after using green " △ " (or red " △ ") to aim at the startup of green " just " word electric fans such as (or red " just " words) then, rotate speed governing knob ［ 6 ］ again, make green " △ " (or red " △ ") aim at green " 2 " shelves (or red " 2 " shelves) at once.This moment, electric fan promptly turned round with 120 rev/mins rotating speed always.

Three, as not needing speed governing, the timing function that only needs general electric fan is then: the green of speed governing knob ［ 6 ］ " △ " (or red " △ ") is aimed at green (or red) " just " word location on the scale plate, a rotary timer knob ［ 4 ］ is to a certain moment position then, press the original speed control switch of electric fan again, by the time set time one arrives, and electric fan promptly stops automatically.

Fig. 1 is an electric fan Ultra-Low Speed timing automatic speed regulator electrical schematic diagram.

Fig. 2, the 9th, electric fan Ultra-Low Speed timing automatic governor structure figure.

Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 are regularly gang switch structural representations of speed governing.

Fig. 8 is an electric fan Ultra-Low Speed timing automatic speed regulator scale plate graphical diagram.

Electric fan Ultra-Low Speed timing automatic speed regulator described in the utility model has following outstanding characteristics and significant effect:

One, enlarged the speed adjustable range of electric fan.Thereby satisfy people's usage requirement.General electric fan only has the third gear rotating speed adjustable at present, is about 700 rev/mins respectively, about 1000 rev/mins and 1300 rev/mins.As after adopting this speed regulator, if the speed governing class is designed to seven grades, the speed governing class of electric fan just becomes 18 grades of rotating speeds of three series so, has so just enlarged the speed adjustable range of electric fan, mainly be Ultra-Low Speed zone speed adjustable range, satisfy the demand of people different wind speed air quantity.

Two, the speed governing of electric fan can be carried out quantitative automaticly, manually speed governing, promptly in the time of setting in advance, automatically and continuously the rotating speed of electric fan is transferred to the optimum speed class that chooses, thereby make the variation of air quantity meet people's needs of diminishing gradually of air quantity in bed.This be general common electric fan speed regulator can not be by comparison.

The best embodiment of the ultralow timing automatic speed regulator of electric fan described in the utility model is:

With certain factory " snowflake " electric fan is object, and its power of motor is 65W, service voltage 220V, and the rotating speed of former electric fan speed governing class is respectively 690 rev/mins, 1020 rev/mins and 1270 rev/mins.The winding of the utility model inductance coil is designed to 855 circles, 525 circles, 400 circles, 380 circles and 250 circles, adopts φ 0.19mm enameled cable coiled, and coil has six wiring taps, and the sectional area of iron-core coil is 12 * 20mm ²Speed governing regularly gang switch be designed to seven grades adjustable, speed adjustable range is 80～700 rev/mins, the waiting time of each grade rotating speed is designed to two time serieses, promptly green shelves every grade of waiting time is that 4 minutes and red every grade of waiting time of shelves are 8 minutes, two hours timers that timer adopts general electric fan to use.

Claims (3)

1, a kind of electric fan Ultra-Low Speed timing automatic speed regulator is characterized in that by the inductance coil that is serially connected in the ribbon core in the electric fan circuit [1], and the speed governing timing gang switch [2] and the timer [3] that are installed on timer [3] main shaft [5] are formed.

2,, it is characterized in that speed governing timing gang switch ［ 2 ］ mainly contacts copper sheet ［ 10 ］, loam cake ［ 11 ］, double-sided wiring board ［ 12 ］, lower cover ［ 13 ］, inductance coil tap elastic copper sheet ［ 14 ］ and power supply elastic copper sheet ［ 16 ］ by contact copper sheet ［ 8 ］, speed governing knob cylindrical contact copper sheet ［ 9 ］, timer rotation in speed governing knob ［ 6 ］, axle sleeve ［ 7 ］, the speed governing knob and waits other to constitute by part according to the described electric fan Ultra-Low Speed of claim 1 timing automatic speed regulator.

3, according to claim 1 or 2 described electric fan Ultra-Low Speed timing automatic speed regulators, it is characterized in that double-sided wiring board ［ 12 ］ the A face in the speed governing timing gang switch ［ 2 ］ is the arcuation copper sheet, the B face is the ring-type copper sheet, no copper interstitial area clearance distance is about 0.2mm, and little copper rivet is connected to form path respectively with A, the corresponding arcuation copper sheet in B two sides and ring-type copper sheet.

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