CN2095510U

CN2095510U - Output power adjustable electrothermal electricity saver

Info

Publication number: CN2095510U
Application number: CN90202973.8U
Authority: CN
Inventors: 李蓬; 吴永康
Original assignee: Individual
Current assignee: Individual
Filing date: 1990-03-19
Publication date: 1992-02-05

Abstract

The utility model discloses an electricity heating and energy saving device whose output power can be adjusted, comprising an electric source, a multivibrator, a solid state relay or an optocoupler bidirectional control silicon and a power expansion component. A timer and an impulse regulator are additionally provided into the multivibrator and connected with the timer by a manual/automatic switch. The 2 foot and the 6 foot of the timer are together connected with the middle point of the series connection of two diodes in the impulse regulator. Thus the purpose of electrical energy saving can be obtained by making use of the changeable duty ratio.

Description

Output power adjustable electrothermal electricity saver

The present invention relates to a kind of adjustable power output electric heating electricity-saving appliance.The economize on electricity way of the electric heater of being supplied in the market, mainly be to adopt to give heat and after required temperature, adopt outage or divide retaining adjusting power output to carry out, though this way can be saved certain electric energy, but can not reach satisfied effect, main cause is, in outage or divide during retaining regulates, also some even very big some are consumed in vain because of it can not regulate arbitrarily.And this battery saving arrangement arbitrarily manual adjustments can be automatically be adjusted to required power with temperature required, need to have guaranteed how many energy automatically (perhaps manual) supply with how many energy, to reach the purpose of minimum consume.

The purpose of this utility model is to provide a kind of electric heating electricity-saving appliance according to the adjustable power output of real-time working condition.The utility model electricity-saving appliance is changed power-saving method in the past, can be applicable to all fields and the adjustable DC power system of all heating wire heating.As the electric iron in the household electrical appliance, electric frying pan, electric heater, radiation warmer etc.; Deep-fried twisted dough sticks pot in the electric cooking appliance, pancake pan, toaster, steam rice cooker etc.; The electric heater of food processing etc., and industrial large-scale electric furnace etc., the application of electronic technology field belonged to.

This electricity-saving appliance, present domestic this product that still do not have.Occur and this section electrical equipment similar products like for the first time in October, 1988 in the Metz, FRA international fair, and French Science News been reported on January 26th, 1989 is crossed this product.In addition, do not see the detailed description of any publication state as yet to this product.

The present invention is further elaborated below in conjunction with accompanying drawing.

Accompanying drawing 1,2 is a theory diagram of the present invention.It consists of the following components:

It mainly is to supply with multivibrator T for a power supply (1) ₁DC power supply or the power supply of power output.Multivibrator (2) effect is by the adjusting to time that discharges and recharges of electric capacity, changes the width of pulse, obtains the different ratios that takes up space; Change-over circuit (3) by optocoupler bidirectional triode thyristor (comprising the zero cross fired type) (A) or solid-state relay (B) form.Impulse action in the different duty of multivibrator output is done, and the controlled input of optocoupler is become with different pulses.Because of its light-operated pair of coupling controllable silicon is by load R _LBe connected to power supply, its output promptly becomes with pulse.Optocoupler controllable silicon (comprising zero-based) is triggered and exports 50H when pulse is high level _ZFirst-harmonic (annotate: because of the width of pulse compared with 50H _ZCycle much bigger, so adopt zero-based or non-zero type not to have influence substantially).Power output is zero when capacitor discharge, thereby produces 50 interrupted all first-harmonics, and Shu Chu effective value voltage promptly becomes with different duty ratios like this.Power expansion (C) utilizes less light lotus root bidirectional triode thyristor (comprising zero-based) (A) to produce the 50H of smaller power under the situation that does not adopt solid-state relay _ZFirst-harmonic meets extended power (bidirectional triode thyristor D then _L) to reach required maximum power.

Accompanying drawing 3 is a single-phase electricity-saving appliance circuit diagram of the present invention.Two-way tumbler switch S in the impulse regulator (D) ₁And S ₂Controlling manually and automatically changing of this electricity-saving appliance.S ₁And S ₂By diode D ₁, D ₂Series connection, and S ₁Point meets D ₁Positive pole and T ₁7 pin, S ₂Point meets D ₂Negative pole.By resistance R ₁, potentiometer W ₁, resistance R ₂The R of the series arm that forms ₁The end with by thermistor R _t, potentiometer W ₂The R of the series arm that forms _tEnd links to each other, is connected to+the Vc point, and the other end 2 of above-mentioned two branch roads ' be switch S ₂Two contacts.W ₁Neutral point 1 and R _t, W ₂Among point 2 be switch S ₁Two contacts.C ₁Be charge and discharge capacitance, C ₁A termination D ₁D ₂Mid point, another ground connection.Under manual state of a control, power supply V during charging _CThrough R ₁With potentiometer W ₁A part through " 1 " point and S ₁By diode D ₁To C ₁Charging; Work as C ₁Current potential rise, through timer T ₁" 2 " and " 6 " pin make its upset, C ₁By diode D ₂, through resistance R ₂With potentiometer W ₁A part is discharged to " 7 " pin.W ₁Be used for regulating the different time that discharges and recharges.The different time of discharging and recharging will produce the duty ratio of the square wave of trigger upset output.Together should S ₁And S ₂Beat 2 and 2 ' time, be automatic control state.It is by thermistor R _tBe used for reaching control capacitance C ₁Discharge and recharge the time, thereby reach the square wave that makes trigger output different duty.

Above-mentioned timer T ₁The rectangle of 3 pin output closes conversion through the lotus root of zero-based light lotus root bidirectional triode thyristor (A), generates and the corresponding sinusoidal fundamental wave of square wave.Because 220 volts of alternating voltages are by great power bidirectional controllable silicon D _LBe added in load R _LOn, so above-mentioned sinusoidal fundamental wave is by current-limiting resistance R ₃And R ₄Controlling D _LConducting whether, finally make R _LResulting power changes thereupon.

Fig. 4 is a powerful battery saving arrangement of three-phase, can be connected into the △ type and also can be connected into the Y type, can be applicable to all powerful heaters such as steam-electric dual purpose pot for cooking rice, and the large scale industry electric furnace can be existing product and updates.As linked switch S ₁And S ₂Place 1 and 1 ' position, utilize manual adjustments potentiometer W this moment ₁, work as W ₁Potentiometer places bottom, and this moment, electricity was that device resistance maximum charge time concerning charging is the longest, and be zero discharge time, i.e. total power output is as W ₁Place the maximum upper end charging interval the shortest and discharge time is the longest, the power output minimum.As change W ₁Size just can obtain different power outputs, to reach required temperature, reduce unnecessary energy loss.Work as S ₁And S ₂Place for 2 and 2 ' this moment for regulating automatically.The time of charging and discharge depends primarily on transducer R _tThe temperature of loca is when this place's temperature is higher than when temperature required R _tReduce, the charging interval is short, and power output diminishes, otherwise power output increases.Power output varies with temperature and changes like this, and to reach stable temperature, control output reduces unnecessary electric energy loss, reaches the purpose of economize on electricity.

Accompanying drawing 5 is with light lotus root bidirectional triode thyristor (A) in the three-phase electricity-saving device shown in Figure 4 and great power bidirectional controllable silicon (D _LA～D _LC) use the high-power electricity-saving appliance of three-phase after solid-state relay (B) replaces, operation principle is with last identical.

This electricity-saving appliance is because its outstanding adjustable power joint property then also can constitute the high-power DC power supply that scalable is exported.Accompanying drawing 6 is the adjustable high-power DC power supply of single-phase full wave type.Solid-state relay among the figure (B) can replace light lotus root bidirectional triode thyristor to add power expander; Loading section is the plain edition bridge rectifier.Because aforesaid operation principle, regulator potentiometer W can make the adjustable power of direct current output.

Both to can be used for single-phase working method in order reaching, to can be used for the three-phase working method again, in this electricity-saving appliance internal structure,, arrange to have 1～3 and plug socket of change-over circuit from the design angle of circuit.

Accompanying drawing 7 is the profile schematic diagram of this electricity-saving appliance.E is the doubly-linked selector switch; F is the manual adjustments knob; G is automatic adjusting knob; H is the transducer patchhole; I is alternate current operation mode (single-phase or three-phase) binding post.

This section electrical apparatus technology advanced person, reasonable in design, and noiseless to electrical network and radio communication.Model machine determines to reach the purpose that reduces the loss electric energy through testing.

Claims

1, a kind of adjustable power output electric heating electricity-saving appliance of being made up of power supply (1), multivibrator (2), solid-state relay (B) or optocoupler bidirectional triode thyristor (A), power expansion (C), it is characterized in that: multivibrator (2) is by timer T ₁And impulse regulator (D) is formed and switch S ₁Point meets timer T ₁7 pin, timer T ₁2,6 pin be connected to diode D in the impulse regulator (D) jointly ₁, D ₂The mid point of series connection.

2, electricity-saving appliance according to claim 1 is characterized in that: in the impulse regulator (D), and switch S ₁And S ₂By diode D ₁, D ₂Series connection, and switch S ₁Point meets diode D ₁Positive pole and timer T ₁7 pin, switch S ₂Point meets diode D ₂Negative pole; By resistance R ₁, potentiometer W ₁, resistance R ₂The resistance R of the series arm that forms ₁The end with by thermistor Rt, potentiometer W ₂The thermistor Rt end of the series arm that forms links to each other, and is connected to power supply+Vc point, this two series arms other end, 1 ', 2 ' be switch S ₂Two contacts; Potentiometer W ₁Neutral point 1 and thermistor R _t, potentiometer W ₂The mid point 2 of series connection is a switch S ₁Two contacts, capacitor C simultaneously ₁A terminating diode D ₁, D ₂The mid point of series connection (also is timer T ₁2,6 pin), other end ground connection.

3, electricity-saving appliance according to claim 1 is characterized in that: change-over circuit (3) is connected to multivibrator (2) afterwards, and by solid-state relay (B) or optocoupler bidirectional triode thyristor (A) and power expansion circuit (C) is optional forms.

4, electricity-saving appliance according to claim 3 is characterized in that: optocoupler bidirectional triode thyristor (A) is that plain edition or zero-based are optional.

5, electricity-saving appliance according to claim 1 is characterized in that: device is provided with selector switch (E), manual adjustments knob (F) in the profile, regulates knob (G), transducer patchhole (H) and alternate current operation mode (single-phase or three-phase) binding post (I) automatically.