CN2462609Y

CN2462609Y - Power saving device of electrical appliances

Info

Publication number: CN2462609Y
Application number: CN 00268953
Authority: CN
Inventors: 周栋储
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-27
Filing date: 2000-12-27
Publication date: 2001-11-28
Anticipated expiration: 2010-12-27

Abstract

The utility model relates to a power saving device for electrical appliances. The utility model comprises a capacitance current limiting circuit, a rectification circuit, a current limiting voltage stabilizing filter circuit, an action control circuit, an automatic regulation control circuit, a power regulation circuit, and a current inductor. The utility model is formed by that the capacitance current limiting circuit is connected with the input terminal of a power supply; the output terminal of the power supply is connected with the rectification circuit; the rectification circuit is connected the ground and the power supply respectively; the other end of the rectification circuit is connected with the input terminal of the current limiting voltage stabilizing filter circuit the output terminal of which is connected with the input terminal of the action control circuit; the output terminal of the action control circuit is connected with the input terminal of the power regulation circuit. The utility model has the advantages of power control and regulation and reduction of current loss, achieving the effect of electricity saving.

Description

The electricity saver of electric equipment

The utility model relates to a kind of electricity saver, particularly relates to a kind of controllable adjustable power, reduces current loss, reaches the electricity saver of the electric equipment of power saving effect.

Motor is the device that converts electrical energy into mechanical energy (rotatablely moving), is prime mover of machine, and purposes is very extensive.

Just because of this, the application of electric power is very universal, and is ubiquitous.

Because popularize and the motor of electric power are prime mover of machine, so tool motor type product arises at the historic moment.This type of product category is various, and for example electric fan, safe electronic fan, washing machine, fruit juice mixer, dust catcher, water pumper, refrigerator, air conditioner or the like all need rely on motor to start.Because rely on motor to start, and the momentary load electric current maximum that starts, power consumption is maximum relatively, so comparatively speaking, the power consumption of this series products is also bigger.

Mostly the mains switch of aforesaid motor type product is to adopt the switch of manual mode of operation; and its motor operating state when rotating is when being the power consumption maximum; therefore; general motor type product all is preset with the duration of operating condition in machine; reaching preset work time and be automatic pause rotates and is holding state; after lasting stand-by time (presetting), restart machine run; make this motor type product have the function that regularly starts and temporarily shut down; prevent that with protection motor type product it is impaired because of long-time continuous running whereby, can reach purpose of power saving simultaneously.Yet the time that should regularly open and close can't satisfy all users' demand simultaneously, and power saving effect is also not good for default and fixing, electrical energy saving to use these motor type products to reach the power saving purpose to reduce.Yet this kind power saving mode must be with the manual mode of operation switch, be the product of the necessary frequent master cock of user, not only use inconvenience, be unfavorable for that also power saving is (because of the startup momentary load electric current maximum of motor with the control motor type, power consumption is big relatively), even make the motor damage.

By above-mentioned explanation as can be known, because traditional power saving mode can't satisfy user's demand fully, also can't effectively reduce simultaneously the loss of electric current, historical facts or anecdotes is necessary to do further improvement at the power saving mode of motor type product, effectively to reduce the loss of electric energy really, really reach purpose of power saving.

The purpose of this utility model is, a kind of electricity saver of electric equipment is provided, and makes power-saving circuit set according to the size of load current, with regulating and controlling power, reduces the loss of electric current, reaches the effect of power saving.

The purpose of this utility model is realized by following technical scheme.

A kind of electricity saver of electric equipment is characterized in that, comprises a capacitance current-limiting circuit, a rectification circuit, a current limliting filter circuit of pressure-stabilizing, a control circuit, adjustment control circuit, a power conditioning circuitry and a current inductor automatically; Described capacitance current-limiting circuit is connected with power input, its output then is connected to rectification circuit, and rectification circuit is connected with ground and power supply respectively, the other end then is connected to the input in order to the current limliting filter circuit of pressure-stabilizing that produces pressure stabilization function, the output of this current limliting filter circuit of pressure-stabilizing is connected with the input of control circuit, the output of this control circuit is connected with the input of described power conditioning circuitry, this power conditioning circuitry is connected with current inductor with power supply respectively again, described automatic adjustment control circuit is connected with control circuit, and this is adjusted control circuit automatically and links to each other with described current inductor again.

The purpose of this utility model can also further realize by following technical measures.

The electricity saver of aforesaid electric equipment, wherein this capacitance current-limiting circuit is to be formed in parallel the input of the described rectification circuit of output termination of its parallel connection by resistance R 1 and capacitor C 7.

The electricity saver of aforesaid electric equipment, wherein this rectification circuit is the bridge rectifier that is made of four diode D1～D4, the input of the described current limliting filter circuit of pressure-stabilizing of its output termination.

The electricity saver of aforesaid electric equipment, wherein this current limliting filter circuit of pressure-stabilizing is made up of resistance R 2, Zener diode ZD1 and capacitor C 1, the input of the described control circuit of its output termination.

The electricity saver of aforesaid electric equipment, wherein this control circuit is made up of light-emitting diode L1, L2 and resistance R 3, R4, diode D5, triode Q1, and its Q1 base stage connects described automatic adjustment control circuit.

The electricity saver of aforesaid electric equipment wherein should automatically be adjusted control circuit and is by Zener diode ZD2, capacitor C 2, resistance R 7, diode D6, D7 and variable resistor VR1 mutually and be composed in series the output of the described current inductor of its input termination.

The electricity saver of aforesaid electric equipment, wherein this current inductor is connected with power output end, is connected with described power conditioning circuitry simultaneously.

The electricity saver of aforesaid electric equipment, wherein this power conditioning circuitry is made up of capacitor C 3～C6, resistance R 5, R9, R10 and relay R Y1, and its output connects power input P1 and power output end P2 simultaneously.

The electricity saver of aforesaid electric equipment wherein is provided with between this power input and capacitance current-limiting circuit in regular turn in order to protection and keying circuit fuse and switch.

The utility model can be set according to the size of load current, with regulating and controlling power, reduces the loss of electric current, reaches the effect of power saving.

For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:

Fig. 1 is a square circuit diagram of the present utility model.

Fig. 2 is an enforcement circuit diagram of the present utility model.

See also shown in 1, the utility model includes a capacitance current-limiting circuit 20, a rectification circuit 30, a current limliting filter circuit of pressure-stabilizing 40, a control circuit 50, one automatic adjustment control circuit 60, a power conditioning circuitry 70, reaches a current inductor (SFNSOR COIL) 80, and it can set the regulating and controlling power factor according to the size of load current.

Please consult shown in Figure 2 in detail; the utility model mainly is that capacitance current-limiting circuit 20 is connected to power input P1 (the utility model is to be embodiment with the plug); and be provided with fuze F1, F2 and switch S 1 between the two in regular turn; respectively in order to protection and keying circuit; and capacitance current-limiting circuit 20; then be to be formed in parallel, and the output of capacitance current-limiting circuit 20 connect rectification circuit 30 by resistance R 1 and capacitor C 7.Rectification circuit 30 in the present embodiment is the bridge rectifiers that are made of four diode D1-D4, in order to the electric current on the circuit is carried out rectification, this rectification circuit 30 is except ground connection, wherein an end is connected to power input P1, the other end then is connected to the input of current limliting filter circuit of pressure-stabilizing 40, wherein current limliting filter circuit of pressure-stabilizing 40 is by resistance R 2, Zener diode ZD1 and capacitor C 1 are formed, its output provides power supply VCC to control circuit 50, and control circuit 50 then is by light-emitting diode L1, L2 and resistance R 3, R4, diode D5, triode Q1 forms.

Outside the signal of base stage reception of the triode Q1 of above-mentioned control circuit 50 from automatic adjustment control circuit 60, and interact with relay R Y1 in the power conditioning circuitry 70, conducting circuit with control relay RY1, should adjust 60 of control circuits automatically is by Zener diode ZD2, capacitor C 2, resistance R 7, diode D6, D7 and variable resistor VR1 are mutually and be composed in series, so as to utilizing variable resistor VR1 to adjust the size of setting electric current, and the input that should adjust control circuit 60 automatically is connected to the output of current inductor 80, outside current inductor 80 and power output end P2 series connection is corresponding, and connect the circuit of the power input P1 before power conditioning circuitry 70 and the capacitance current-limiting circuit 20 simultaneously.70 of power conditioning circuitries are by capacitor C 3-C6, resistance R 5, R9, R10 and relay R Y1 form, its output connects power input P1 and power output end P2 simultaneously, wherein relay R Y1 is controlled by the triode Q1 of control circuit 50, when electric current surpasses set point, though triode Q1 is in conducting state, it is in parallel with capacitor C 4 (the AC electric capacity that the upper limit is set) that relay R Y1 action this moment forms load, and through resistance R 10,5 pairs of capacitor C 6 of capacitor C (the AC electric capacity of lower limit set) are carried out low current charge (being Low ESR before AC electric capacity is uncharged), and capacitor C3 and resistance R 9 are short circuit, otherwise, when relay R Y1 does not move then load be state in parallel with capacitor C 6, and through resistance R 9,3 pairs of capacitor C of capacitor C 4 are carried out low current charge, so resistance R 8 and capacitor C 5, resistance R 10 can prevent more that with capacitor C 3 contact of relay R Y1 from producing spark, and corresponding A C electric capacity low current charge, group formation one can improve power factor whereby, and reduces the electricity saver of the electric equipment of current loss.

Operation principle of the present utility model is described as follows in conjunction with Fig. 1: behind user's starting switch S1, because startup moment of motor can produce high electric current, this moment is when the electric current capacitance current-limiting circuit 20 of flowing through, rectification circuit 30, behind current limliting filter circuit of pressure-stabilizing 40 and the control circuit 50, receive and adjust control circuit 60 signals automatically, and can be according to the corresponding feedback current of the current value Auto-Sensing load that its variable resistor VR1 sets, when electric current during greater than set point, then be fed back to the triode Q1 base stage action of control circuit 50, and its corresponding circuits of relay R Y1 conducting of operating power regulating circuit 70, otherwise, then be electronegative potential by automatic adjustment control circuit 60 outputs, make relay R Y1 become to disconnect the OFF state, make it set the regulating and controlling power factor whereby by the actual current size, reduce current loss, and then reach the power saving purpose.

In sum, the utility model can effectively overcome the problem of traditional electricity saver poor effect, can set the regulating and controlling power factor according to the size of its current loading, to reduce the loss of electric current, reach the purpose of province's electric energy, and have above-mentioned numerous advantage and practical value, creative, practicality, and in identical technical field, do not see identical or approximate product, or public use, meet novel patent application important document, so file an application in accordance with the law.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, a kind of electricity saver of electric equipment is characterized in that, comprises a capacitance current-limiting circuit, a rectification circuit, a current limliting filter circuit of pressure-stabilizing, a control circuit, adjustment control circuit, a power conditioning circuitry and a current inductor automatically;

Described capacitance current-limiting circuit is connected with power input, its output then is connected to rectification circuit, and rectification circuit is connected with ground and power supply respectively, the other end then is connected to the input in order to the current limliting filter circuit of pressure-stabilizing that produces pressure stabilization function, the output of this current limliting filter circuit of pressure-stabilizing is connected with the input of control circuit, the output of this control circuit is connected with the input of described power conditioning circuitry, this power conditioning circuitry is connected with current inductor with power supply respectively again, described automatic adjustment control circuit is connected with control circuit, and this is adjusted control circuit automatically and links to each other with described current inductor again.

2, the electricity saver of electric equipment according to claim 1 is characterized in that, described capacitance current-limiting circuit is to be formed in parallel the input of the described rectification circuit of output termination of its parallel connection by resistance R 1 and capacitor C 7.

3, the electricity saver of electric equipment according to claim 2 is characterized in that, described rectification circuit is the bridge rectifier that is made of four diode D1～D4, the input of the described current limliting filter circuit of pressure-stabilizing of its output termination.

4, the electricity saver of electric equipment according to claim 3 is characterized in that, described current limliting filter circuit of pressure-stabilizing is made up of resistance R 2, Zener diode ZD1 and capacitor C 1, the input of the described control circuit of its output termination.

5, the electricity saver of electric equipment according to claim 4 is characterized in that, described control circuit is made up of light-emitting diode L1, L2 and resistance R 3, R4, diode D5, triode Q1, and its Q1 base stage connects described automatic adjustment control circuit.

6, the electricity saver of electric equipment according to claim 5, it is characterized in that, described automatic adjustment control circuit is by Zener diode ZD2, capacitor C 2, resistance R 7, diode D6, D7 and variable resistor VR1 mutually and be composed in series the output of the described current inductor of its input termination.

7, the electricity saver of electric equipment according to claim 6 is characterized in that, described current inductor is connected with power output end, is connected with described power conditioning circuitry simultaneously.

8, the electricity saver of electric equipment according to claim 7 is characterized in that, described power conditioning circuitry is made up of capacitor C 3～C6, resistance R 5, R9, R10 and relay R Y1, and its output connects power input P1 and power output end P2 simultaneously.

9, the electricity saver of electric equipment according to claim 1 is characterized in that, is provided with in regular turn between described power input and capacitance current-limiting circuit in order to protection and keying circuit fuse and switch.