CN201247958Y - Universal energy-saving protector - Google Patents
Universal energy-saving protector Download PDFInfo
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- CN201247958Y CN201247958Y CNU2008201274329U CN200820127432U CN201247958Y CN 201247958 Y CN201247958 Y CN 201247958Y CN U2008201274329 U CNU2008201274329 U CN U2008201274329U CN 200820127432 U CN200820127432 U CN 200820127432U CN 201247958 Y CN201247958 Y CN 201247958Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Abstract
The utility model relates to a universal energy-saving protector which comprises a filter circuit, wherein an automatic conversion and an overload switching control circuit of an energy-saving gear is connected to the filter circuit (1); the control circuit comprises a current signal sample circuit (2), a bidirectional thyristor driven circuit (3), an overload switching sound and light warning circuit (4), a voltage signal sample circuit (5), an automatic conversion circuit (6) of an energy-saving gear, and a direct current voltage stabilizing circuit (7). The universal energy-saving protector can adjust and increase power supply parameters, guarantee good power supply quality, eliminate the excess voltage and harmonic waves which are easy to break electric appliances, protect the electric appliances to increase the power supply quality, prolong the service life of the electric appliances, and reduce the residual loss having active power. Under the condition of ensuring the normal operation state of the electric appliance, electrical energy can be saved to the utmost extent, and the energy charge expense of a family can be reduced.
Description
Technical field
The utility model relates to a kind of universal electricity-saving protection device, belongs to the electric type technical field.
Background technology
Along with development of science and technology, each electric appliances enters our daily life one after another, on the one hand, the increase of power consumption is directly connected to human existence and development, each country is also all at the effective scheme of seeking to solve the energy, and before finding the new forms of energy that can substitute, energy savings has become the emphasis of present solution energy problem, electric energy is most widely used a kind of energy mode, and China is being faced with the electricity shortage and the anxiety of chronicity.Along with popularizing of electric power, the continuous growth of household electricity load is even near the average electric power usage level in market, Asia, all can make the electricity market of China can't bear the heavy load; On the other hand, the household electricity load continues to increase, and the maintenance of electricity charge expenditure, electrical equipment and renewal cost are also improving constantly, and how to greatest extent electrical energy saving reduces electricity charge expenditure, and protection electrical equipment increases the service life and becomes the eager desire of each family.Therefore, the reasonable use electric energy, saves energy, improving the power supply quality raising has been imperative with needs and the hope that electricity quality satisfies people's daily life.
Summary of the invention
The purpose of this invention is to provide a kind of universal electricity-saving protection device; it can reduce electric energy loss, suppresses high order harmonic component and transient voltage, electric current generation, optimizes power supply parameter and reduces unnecessary electric current; thereby improve power supply quality protection power consumption equipment, prolong the useful life of consuming device.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of universal electricity-saving protection device, comprise filter circuit, and on filter circuit (1), be connected to economize on electricity automatic conversion of gear and overload conversion control circuit.Described circuit can be protected power consumption equipment, makes the power supply parameter processing that is optimized, and limits unnecessary power output.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described filter circuit (1) is made up of short circuit overcurrent protection switch S0, harmonic mutual induction filter, current transformer T20, special transformer T30, current transformer T40, relay K 1, relay K 2, bidirectional triode thyristor D, spike absorption capacitor C 4 and resistance R 1;
Short circuit overcurrent protection switch S0 one end links to each other with the filter circuit input, and the other end links to each other with harmonic mutual induction filter;
The other end of harmonic mutual induction filter links to each other with the input of current transformer T20 main winding;
The end of the moving contact K1-2 of the input of the output of current transformer T20 main winding and special transformer T30 main winding, the input of auxiliary winding, relay K 1 main contact links to each other; Current transformer T20 auxiliary winding links to each other with control circuit;
The output of special transformer T30 main winding links to each other with the other end, an end of power transformer T40 main winding, the filter circuit output US0 of the moving contact K1-2 of relay K 1 main contact; Two other terminal of the auxiliary winding of special transformer T30 is decided contact with two of relay K 2 respectively and is connected;
The other end of power transformer T40 main winding is connected and ground connection with the positive electrical that the negative electrode of bidirectional triode thyristor D, spike absorb capacitor C 4; The auxiliary winding of power transformer T40 links to each other with control circuit;
The negative pole that spike absorbs capacitor C 4 is connected with an end of resistance R 1;
The other end of resistance R 1 is connected with the anode of bidirectional triode thyristor D, the moving contact of relay K 2 contacts.
Further, described harmonic mutual induction filter is made up of capacitor C 1, C2, C3 and mutual inductance filter reactor T10;
The positive pole of filter capacitor C1 links to each other minus earth with short circuit overcurrent protection switch S0;
The input of mutual inductance reactor T10 main winding links to each other with short circuit overcurrent protection switch S0, and output links to each other with the positive pole of filter capacitor C2, the input of current transformer T20 main winding;
The negative pole of filter capacitor C2 links to each other with the positive pole of filter capacitor C3;
The minus earth of filter capacitor C3.
Further, described control circuit is made up of current signal sampling circuit (2), controllable silicon drive circuit (3), overload conversion sound light alarming circuit (4), voltage signal sampling circuit (5), the economize on electricity automatic translation circuit of gear (6) and direct current regulation circuit (7); The auxiliary winding of current transformer T20 connects current signal sampling circuit (2), current signal sampling circuit (2) is electrically connected with bidirectional triode thyristor drive circuit (3), the auxiliary winding of current transformer T20 also is electrically connected with overload conversion sound light alarming circuit (4), voltage signal sampling circuit (5) is connected electrically in the end points between the filter circuit mutual inductance reactor T10 main winding summation current transformer T20 main winding, voltage signal sampling circuit (5) is electrically connected with the economize on electricity automatic translation circuit of gear (6), and direct current regulation circuit (7) is electrically connected with the output of the current transformer T40 of filter circuit.
Further, described current signal sampling circuit (2) is made up of resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, diode VD1, integrated circuit U10, filter capacitor C5 and potentiometer RP1;
The inverting input of integrated circuit U10 links to each other with resistance R 4, resistance R 5, and the output of integrated circuit U10 links to each other with the other end of resistance R 5, an end of resistance R 6;
The other end of resistance R 6 is connected with the positive pole of filter capacitor C5 and the end of potentiometer RP1;
The potentiometer RP1 other end links to each other with resistance R 4 other ends, diode VD1 negative pole, resistance R 2 other ends, capacitor C 5 negative poles, and the moving contact of potentiometer RP1 is electrically connected with bidirectional triode thyristor drive circuit (3).
Further, described controllable silicon drive circuit is made up of resistance R 7, R8, R9, R10, R11, R12, R13, R14, R15, integrated circuit U20, light-emitting diode VL1, triode D10, voltage stabilizing didoe VS0, diode VD2 and power supply;
Resistance R 7 one ends link to each other with the moving contact of potentiometer RP1, and the other end links to each other with the in-phase input end of integrated circuit U20, an end of resistance R 10;
The inverting input of integrated circuit U20 links to each other with resistance R 8, R9, and an end of the other end of output and resistance R 10, resistance R 11, resistance R 12 links to each other;
The other end of resistance R 12 links to each other with the end of light-emitting diode VL1;
The base stage of triode D10 links to each other with the other end of resistance R 11, and collector electrode links to each other with an end of resistance R 13, and emitter is connected with the end of voltage stabilizing didoe VS0, the positive pole of diode VD2;
One end of resistance R 14 links to each other with the negative pole of diode VD2, and the other end links to each other with the auxiliary contact K1-1 of relay K 1, an end of resistance R 15, the control utmost point G end of bidirectional triode thyristor;
The other end of resistance R 8 links to each other with the other end of resistance R 13, and both are connected to the anode of power supply.
The other end of the other end of the other end of the other end of resistance R 9 and light-emitting diode VL1, the other end of voltage stabilizing didoe VS0, resistance R 15, the auxiliary contact K1-1 of relay K 1 links to each other, and ground connection.
Further, described overload conversion sound light alarming circuit is made up of diode VD3, potentiometer RP2, integrated circuit U30, triode D20, relay K 1, buzzer BL, light-emitting diode VL2, capacitor C 6, C7, resistance R 16, R17, R20, R21, R22, R23 and power supply;
The end of diode VD3 is connected with an output of current transformer T20 auxiliary winding, and the other end is connected with resistance R 16;
Resistance R 16 other ends are connected with the end of potentiometer RP2;
The moving contact of potentiometer RP2 is connected with the positive pole of capacitor C 6, an end of resistance R 17;
The other end of resistance R 17 is connected with the in-phase input end of integrated circuit U30, the positive pole of capacitor C 7, an end of resistance R 20;
The reverse input end of integrated circuit U30 is connected with the end of resistance R 18, R19, and output is connected with the other end of resistance R 20, an end of resistance R 21;
The other end of resistance R 18 is electrically connected to positive source;
The base stage of triode D20 is connected with resistance R 21 other ends; Emitter links to each other with the other end of resistance R 19, the other end of potentiometer RP2, the negative pole of capacitor C6, C7, and ground connection; One end of the end of collector electrode and diode VD4, the control coil of relay K 1, an end of resistance R 22, an end of resistance R 23 are electrically connected;
The other end of resistance R 22 is electrically connected with the end of buzzer BL;
The other end of resistance R 23 is electrically connected with the end of light-emitting diode VL2;
The other end of diode VD4 is electrically connected with the other end of the control coil of relay K 1, the other end of buzzer BL and the other end of light-emitting diode VL2, and links to each other with positive source.
Further, described voltage signal sampling circuit is made up of diode VD5, VD6, resistance R 24, R25, capacitor C 8;
Diode VD5 one end links to each other with the input of the output summation current transformer T20 main winding of mutual inductance reactor T10 main winding, and the other end links to each other with an end of resistance R 24;
The R24 other end links to each other with the positive pole of capacitor C 8, the positive pole of diode VD6, an end of resistance R 25;
The other end of capacitor C 8 links to each other with the negative pole of diode VD6, the other end of resistance R 25, and ground connection.
Further, the automatic translation circuit of described economize on electricity gear is made up of resistance R 26, R27, R28, R29, R30, R31, R32, integrated circuit U40, triode D30, diode VD7, light-emitting diode VL3, VL4;
Resistance R 26 1 ends link to each other with the other end of resistance R 25, and resistance R 26 other ends link to each other with the in-phase input end of integrated circuit U40, an end of resistance R 29;
The inverting input of integrated circuit U40 links to each other with the end of resistance R 27, R28, and output links to each other with the other end of resistance R 29, the end of R30;
The base stage of triode D30 links to each other with resistance R 30, and emitter links to each other with the other end of resistance R 28, R25 and ground connection, an end of the coil of collector electrode and relay K 2, the end of diode VD7, and an end of resistance R 31, an end of resistance R 32 are electrically connected;
The other end of resistance R 31 is electrically connected with the end of light-emitting diode VL3;
The other end of resistance R 32 is electrically connected with the end of light-emitting diode VL4;
The other end of relay K 2 links to each other, and is connected to positive source with the other end of light-emitting diode VD7, the other end of diode VL3, the other end of light-emitting diode VL4.
Further, described direct current regulation circuit is made up of rectifier diode VD8, VD9, VD10, VD11, filter capacitor C9, C10, integrated circuit (IC);
The end of diode VD8 is connected with an end of the auxiliary winding of power transformer T40, the end of diode VD9, and the other end is connected with the end of diode VD10, the positive pole of filter capacitor C9, the pin 1 of integrated circuit (IC);
Diode VD11 one end is connected with the auxiliary winding other end of power transformer T40, the other end of diode VD10, and the other end of diode VD11 is connected and ground connection with the other end of diode VD9, the negative pole of filter capacitor C9, the negative pole of C10, the pin 2 of integrated circuit (IC);
The pin 3 of integrated circuit (IC) links to each other with the positive pole of filter capacitor C10, and is connected with positive source.
In sum; the universal electricity-saving protection device can be adjusted and improve power supply parameter; guarantee good power supply quality, eliminate the overvoltage and the harmonic wave that damage general electronic corporation easily, protection electrical equipment improves uses electricity quality; prolong the useful life of electrical equipment; reduce the unnecessary loss of superfluous active power, guaranteeing to save electric energy under the normal operating conditions of electrical equipment to greatest extent, reduce family's electricity charge expenditure; power saving rate is generally at 15%-25%, and can prolong more than 1.5 times the useful life of electrical equipment.
Description of drawings
Fig. 1 is the utility model circuit structure block diagram;
Fig. 2 is the utility model circuit theory diagrams;
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Accompanying drawing shows embodiments of the invention, and wherein Fig. 1 is the circuit structure block diagram of embodiment, and Fig. 2 is circuit theory diagrams.
Circuit structure diagram as shown in Figure 1 is made up of filter circuit 1 and control circuit two large divisions.Filter circuit 1; comprise by short circuit overcurrent protection switch S0 being electrically connected the harmonic mutual induction filter that capacitor C 1, C2, C3 and mutual inductance filter reactor T10 form, after mutual induction filter, be connected to current transformer T20, special transformer T30, power transformer T40.The auxiliary winding of special transformer is connected to the main contact of relay K 2, and the main contact by K2 is connected to bidirectional triode thyristor D and resistance R 1, capacitor C 4.Harmonic mutual induction filter can filtering high order harmonic component and clutter, suppresses the surge current that produces when electricity consumption loads on break-make and the voltage and current of moment sudden change, also plays simultaneously and improves the effect that power factor reduces reactive loss and line loss.The main winding of special transformer T30 can suppress the generation of harmonic wave and reduce the amplitude of impulse current, saves electric energy.This part circuit that current transformer T20, special transformer T30, power transformer T40 constitute can be cut down superfluous voltage and current automatically, optimizes power supply parameter protection electrical appliance and the useful life that prolongs consuming device.
Control circuit is made up of current signal sampling circuit 2, bidirectional triode thyristor drive circuit 3, overload conversion sound light alarming circuit 4, voltage signal sampling circuit 5, the economize on electricity automatic translation circuit 6 of gear and direct current regulation circuit 7.
Current transformer T20 is with signal input current signal sample circuit 2; after accurate halfwave rectifier, signal is sent into bidirectional triode thyristor drive circuit 3 by the moving contact of RP1; drive circuit Triggerless when filter circuit 1 output US0 is unloaded; not conducting of bidirectional triode thyristor D; guaranteed when the electricity-saving protection device does not have load lossless, when output US0 has load, bidirectional triode thyristor drive circuit generation triggering signal; bidirectional triode thyristor D conducting, light-emitting diode VL1 ignites simultaneously.Another road signal by current transformer T20 is input to overload conversion sound light alarming circuit 4; when the load current overrate; relay K 1 adhesive; the auxiliary contact K1-1 closure of relay K 1; bidirectional triode thyristor D disconnects; electricity-saving protection device filter circuit quits work; protect special transformer T30 to avoid damaging; the main contact K1-2 closure of relay K 1 makes the straight-through load end of input power supply simultaneously; electricity-saving protection device BL, light-emitting diode VL2 send sound and light alarm at this moment; the warning user should reduce load, guarantees user's safety utilization of electric power in the rated load scope.By voltage signal sampling circuit 5, behind rectifying and wave-filtering, send into the automatic translation circuit 6 of economize on electricity gear, according to the data of having adjusted, the switching of control relay K2, the excitation size of adjusting the auxiliary winding of special transformer T30 in the filter circuit changes the impedance of load circuit, make the power supply parameter processing that is optimized, limit unnecessary power output.When being in different electricity-saving states, corresponding light emitting diode lamp VL3 or VL4 are ignited.The main effect of direct current regulation circuit 7 is not pressed by the galvanic current of supply control circuit that influences of power-supply fluctuation.
Fig. 2 is circuit theory diagrams of the present utility model; filter circuit 1 is electrically connected short circuit overcurrent protection switch S0 by power input; the output of short circuit overcurrent protection switch S0 is electrically connected mutual inductance reactor T10 and filter capacitor C1; the output of mutual inductance reactor T10 is electrically connected the filter capacitor C2 that is in series; C3; the output of mutual inductance reactor T10 is electrically connected the input of current transformer T20 main winding simultaneously; after the output of T20 main winding is electrically connected the input of the input of special transformer T30 main winding and auxiliary winding; be electrically connected the moving contact K1-2 of the main contact of relay K 1 again; the output of T30 main winding be electrically connected lead tap US0 and power transformer T40 elementary around an end; power transformer T40 elementary around the other end be electrically connected the negative electrode of bidirectional triode thyristor D; spike absorbs an end and the ground connection of capacitor C 4; spike absorbs an end of the other end electrical connection resistance R 1 of capacitor C 4; the other end of R1 is electrically connected the anode of bidirectional triode thyristor D and the moving contact of relay K 2 contacts, and two other terminal of auxiliary winding of T30 is electrically connected two of relay K 2 respectively and decides contact.
In current signal sampling circuit 2, the output of current transformer T20 auxiliary winding is electrically connected input resistance R2, R3 in the filter circuit 1, another terminating diode VD1 of resistance R 3 and the in-phase input end of integrated circuit U10, end of oppisite phase connecting resistance R4, the R5 of integrated circuit U10, the other end of resistance R 5 is electrically connected output and the resistance R 6 of integrated circuit U10, the other end of resistance R 6 is electrically connected filter capacitor C5 and potentiometer RP1, and the other end of potentiometer RP1 is electrically connected with the other end of resistance R 4, the other end of diode VD1 and the other end of resistance R 2.
In bidirectional triode thyristor drive circuit 3, moving contact by potentiometer RP1 is electrically connected with input resistance R7, resistance R 7 other ends are electrically connected the in-phase input end of integrated circuit U20 and an end of resistance R 10, resistance R 10 other ends are electrically connected output and the resistance R 12 of integrated circuit U20, R11, resistance R 12 other ends are electrically connected light-emitting diode VL1, the other end of resistance R 11 is electrically connected the base stage of triode D10, the collector electrode of triode D10 is electrically connected resistance R 13, the emitter of triode D10 is electrically connected the anode of voltage stabilizing didoe VS0 and diode VD2, the negative terminal of diode VD2 is electrically connected resistance R 14, and the other end of resistance R 14 is electrically connected the auxiliary contact K1-1 of relay K 1 and the control utmost point G end of resistance R 15 and bidirectional triode thyristor.The inverting input of integrated circuit U20 is electrically connected resistance R 8, R9.The other end of the other end of resistance R 8 and resistance R 13 is electrically connected to the anode of power supply.The other end of the other end of the other end of the other end of resistance R 9 and light-emitting diode VL1, the other end of voltage stabilizing didoe VS0, resistance R 15 and the auxiliary contact K1-1 of relay K 1 is electrically connected and ground connection.
In overload conversion sound light alarming circuit 4, the output of current transformer T20 auxiliary winding also connects the positive pole of diode VD3 in the filter circuit 1, the negative electricity of diode VD3 connects resistance R 16, resistance R 16 other ends are electrically connected potentiometer RP2, moving contact by potentiometer RP2 is electrically connected capacitor C 6 and resistance R 17, resistance R 17 other ends are electrically connected capacitor C 7, the in-phase input end of integrated circuit U30 and resistance R 20, resistance R 20 other ends are electrically connected output and the resistance R 21 of integrated circuit U30, resistance R 21 other ends are electrically connected the base stage of triode D20, the end of the collector electrode of triode D20 and diode VD4, one end of the control coil of relay K 1, one end of resistance R 22, one end of resistance R 23 is electrically connected, the other end of resistance R 22 is electrically connected with the end of buzzer BL, resistance R 23 other ends are electrically connected with the end of light-emitting diode VL2, the other end of the control coil of the other end of diode VD4 and relay K 1, the other end of the other end of buzzer BL and light-emitting diode VL2 is electrically connected, and links to each other with positive source.The end of oppisite phase of integrated circuit U30 is connected to resistance R 18 and R19, and an end of resistance R 18 is electrically connected to positive source, and the other end of resistance R 19 is electrically connected with the emitter of triode D20 and ground connection with the other end of potentiometer RP2, the other end of capacitor C6, C7.
In voltage signal sampling circuit 5, in filter circuit 1, also be electrically connected the positive pole of diode VD5 between the mutual inductance reactor T10 summation current transformer T20, the negative electricity of VD5 connects resistance R 24, the end of the end of resistance R 24 other ends electrical connection capacitor C 8 positive poles, diode VD6, resistance R 25, R26.The other end of the negative pole of capacitor C 8 and diode VD6, resistance R 25 is connected and ground connection.
In the automatic translation circuit 6 of economize on electricity gear, the other end of resistance R 25 is electrically connected with input resistance R26, the other end of R26 is electrically connected input in-phase end and the resistance R 29 of integrated circuit U40, resistance R 29 other ends are electrically connected output and the resistance R 30 of integrated circuit U40, the other end of resistance R 30 is electrically connected the base stage of triode D30, emitter and resistance R 28, the other end of R25 links to each other and ground connection, one end of the coil of collector electrode and relay K 2, the end of diode VD7, one end of resistance R 31, one end of resistance R 32 is electrically connected, the other end of resistance R 31 is electrically connected with the end of light-emitting diode VL3, the other end of resistance R 32 is electrically connected with the end of light-emitting diode VL4, the other end of relay K 2 and the luminous other end of diode VD7, the other end of diode VL3, the other end of light-emitting diode VL4 links to each other, and is connected to positive source.
In direct current regulation circuit 7, the auxiliary winding of the power transformer T40 that filter circuit output US00 is connect is electrically connected input rectifying diode VD8, VD9, VD10 and VD11, after rectification, be electrically connected the pin 1 of filter capacitor C9 and integrated circuit (IC), the auxiliary winding other end of diode VD11 one end and power transformer T40, the other end of diode VD10 is connected, the other end of the other end and diode VD9, the negative pole of filter capacitor C9, the negative pole of C10, the pin 2 of integrated circuit (IC) is connected and ground connection, the pin 3 of integrated circuit (IC) is connected to filter capacitor C10, and the pin 3 of integrated circuit (IC) is connected with the positive source of The whole control circuit.
In the present embodiment, main components and parts are selected for use: IC (comprising U10, U20, U30, U40): LM324, IC:LM7812, D10, D20, D30:9013, relay K 1 is selected the two contacts of 12V for use, and relay K 2 is selected the single contact of 12V for use, and bidirectional triode thyristor D selects the bidirectional triode thyristor of 15U4000V for use.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. a universal electricity-saving protection device comprises filter circuit, it is characterized in that: be connected to economize on electricity automatic conversion of gear and overload conversion control circuit on filter circuit (1).
2. universal electricity-saving protection device according to claim 1 is characterized in that: described filter circuit (1) absorbs capacitor C 4 by short circuit overcurrent protection switch S0, harmonic mutual induction filter, current transformer T20, special transformer T30, current transformer T40, relay K 1, relay K 2, bidirectional triode thyristor D, spike and resistance R 1 is formed;
Short circuit overcurrent protection switch S0 one end links to each other with the filter circuit input, and the other end links to each other with harmonic mutual induction filter;
The other end of harmonic mutual induction filter links to each other with the input of current transformer T20 main winding;
The end of the moving contact K1-2 of the input of the output of current transformer T20 main winding and special transformer T30 main winding, the input of auxiliary winding, relay K 1 main contact links to each other; Current transformer T20 auxiliary winding links to each other with control circuit;
The output of special transformer T30 main winding links to each other with the other end, an end of power transformer T40 main winding, the filter circuit output US0 of the moving contact K1-2 of relay K 1 main contact; Two other terminal of the auxiliary winding of special transformer T30 is decided contact with two of relay K 2 respectively and is connected;
The other end of power transformer T40 main winding is connected and ground connection with the positive electrical that the negative electrode of bidirectional triode thyristor D, spike absorb capacitor C 4; The auxiliary winding of power transformer T40 links to each other with control circuit;
The negative pole that spike absorbs capacitor C 4 is connected with an end of resistance R 1;
The other end of resistance R 1 is connected with the anode of bidirectional triode thyristor D, the moving contact of relay K 2 contacts.
3. universal electricity-saving protection device according to claim 2 is characterized in that: described harmonic mutual induction filter is made up of capacitor C 1, C2, C3 and mutual inductance filter reactor T10;
The positive pole of filter capacitor C1 links to each other minus earth with short circuit overcurrent protection switch S0;
The input of mutual inductance reactor T10 main winding links to each other with short circuit overcurrent protection switch S0, and output links to each other with the positive pole of filter capacitor C2, the input of current transformer T20 main winding;
The negative pole of filter capacitor C2 links to each other with the positive pole of filter capacitor C3;
The minus earth of filter capacitor C3.
4. according to claim 2 or 3 described universal electricity-saving protection devices, it is characterized in that: described control circuit is made up of current signal sampling circuit (2), controllable silicon drive circuit (3), overload conversion sound light alarming circuit (4), voltage signal sampling circuit (5), the economize on electricity automatic translation circuit of gear (6) and direct current regulation circuit (7); The auxiliary winding of current transformer T20 connects current signal sampling circuit (2), current signal sampling circuit (2) is electrically connected with bidirectional triode thyristor drive circuit (3), the auxiliary winding of current transformer T20 also is electrically connected with overload conversion sound light alarming circuit (4), voltage signal sampling circuit (5) is connected electrically in the end points between the filter circuit mutual inductance reactor T10 main winding summation current transformer T20 main winding, voltage signal sampling circuit (5) is electrically connected with the economize on electricity automatic translation circuit of gear (6), and direct current regulation circuit (7) is electrically connected with the output of the current transformer T40 of filter circuit.
5. universal electricity-saving protection device according to claim 4 is characterized in that: described current signal sampling circuit (2) is made up of resistance R 2, resistance R 3, resistance R 4, resistance R 5, resistance R 6, diode VD1, integrated circuit U10, filter capacitor C5 and potentiometer RP1;
Resistance R 2 one ends link to each other with an output of current transformer T20 auxiliary winding, and the other end links to each other with R3;
Resistance R 3 one ends link to each other with another output, the resistance R 2 of current transformer T20 auxiliary winding, and the other end links to each other with the in-phase input end of integrated circuit U10, the positive pole of diode VD1;
The inverting input of integrated circuit U10 links to each other with resistance R 4, resistance R 5, and the output of integrated circuit U10 links to each other with the other end of resistance R 5, an end of resistance R 6;
The other end of resistance R 6 is connected with the positive pole of filter capacitor C5 and the end of potentiometer RP1;
The potentiometer RP1 other end links to each other with resistance R 4 other ends, diode VD1 negative pole, resistance R 2 other ends, capacitor C 5 negative poles, and the moving contact of potentiometer RP1 is electrically connected with bidirectional triode thyristor drive circuit (3).
6. universal electricity-saving protection device according to claim 5 is characterized in that: described controllable silicon drive circuit is made up of resistance R 7, R8, R9, R10, R11, R12, R13, R14, R15, integrated circuit U20, light-emitting diode VL1, triode D10, voltage stabilizing didoe VS0, diode VD2 and power supply;
Resistance R 7 one ends link to each other with the moving contact of potentiometer RP1, and the other end links to each other with the in-phase input end of integrated circuit U20, an end of resistance R 10;
The inverting input of integrated circuit U20 links to each other with resistance R 8, R9, and an end of the other end of output and resistance R 10, resistance R 11, resistance R 12 links to each other;
The other end of resistance R 12 links to each other with the end of light-emitting diode VL1;
The base stage of triode D10 links to each other with the other end of resistance R 11, and collector electrode links to each other with an end of resistance R 13, and emitter is connected with the end of voltage stabilizing didoe VS0, the positive pole of diode VD2;
One end of resistance R 14 links to each other with the negative pole of diode VD2, and the other end links to each other with the auxiliary contact K1-1 of relay K 1, an end of resistance R 15, the control utmost point G end of bidirectional triode thyristor;
The other end of resistance R 8 links to each other with the other end of resistance R 13, and both are connected to the anode of power supply.
The other end of the other end of the other end of the other end of resistance R 9 and light-emitting diode VL1, the other end of voltage stabilizing didoe VS0, resistance R 15, the auxiliary contact K1-1 of relay K 1 links to each other, and ground connection.
7. universal electricity-saving protection device according to claim 6 is characterized in that: described overload conversion sound light alarming circuit is made up of diode VD3, potentiometer RP2, integrated circuit U30, triode D20, relay K 1, buzzer BL, light-emitting diode VL2, capacitor C 6, C7, resistance R 16, R17, R20, R21, R22, R23 and power supply;
The end of diode VD3 is connected with an output of current transformer T20 auxiliary winding, and the other end is connected with resistance R 16;
Resistance R 16 other ends are connected with the end of potentiometer RP2;
The moving contact of potentiometer RP2 is connected with the positive pole of capacitor C 6, an end of resistance R 17;
The other end of resistance R 17 is connected with the in-phase input end of integrated circuit U30, the positive pole of capacitor C 7, an end of resistance R 20;
The reverse input end of integrated circuit U30 is connected with the end of resistance R 18, R19, and output is connected with the other end of resistance R 20, an end of resistance R 21;
The other end of resistance R 18 is electrically connected to positive source;
The base stage of triode D20 is connected with resistance R 21 other ends; Emitter links to each other with the other end of resistance R 19, the other end of potentiometer RP2, the negative pole of capacitor C6, C7, and ground connection; One end of the end of collector electrode and diode VD4, the control coil of relay K 1, an end of resistance R 22, an end of resistance R 23 are electrically connected;
The other end of resistance R 22 is electrically connected with the end of buzzer BL;
The other end of resistance R 23 is electrically connected with the end of light-emitting diode VL2;
The other end of diode VD4 is electrically connected with the other end of the control coil of relay K 1, the other end of buzzer BL and the other end of light-emitting diode VL2, and links to each other with positive source.
8. universal electricity-saving protection device according to claim 7 is characterized in that: described voltage signal sampling circuit is made up of diode VD5, VD6, resistance R 24, R25, capacitor C 8;
Diode VD5 one end links to each other with the input of the output summation current transformer T20 main winding of mutual inductance reactor T10 main winding, and the other end links to each other with an end of resistance R 24;
The R24 other end links to each other with the positive pole of capacitor C 8, the positive pole of diode VD6, an end of resistance R 25;
The other end of capacitor C 8 links to each other with the negative pole of diode VD6, the other end of resistance R 25, and ground connection.
9. universal electricity-saving protection device according to claim 8 is characterized in that: the automatic translation circuit of described economize on electricity gear is made up of resistance R 26, R27, R28, R29, R30, R31, R32, integrated circuit U40, triode D30, diode VD7, light-emitting diode VL3, VL4;
Resistance R 26 1 ends link to each other with the other end of resistance R 25, and resistance R 26 other ends link to each other with the in-phase input end of integrated circuit U40, an end of resistance R 29;
The inverting input of integrated circuit U40 links to each other with the end of resistance R 27, R28, and output links to each other with the other end of resistance R 29, the end of R30;
The base stage of triode D30 links to each other with resistance R 30, and emitter links to each other with the other end of resistance R 28, R25 and ground connection, an end of the coil of collector electrode and relay K 2, the end of diode VD7, and an end of resistance R 31, an end of resistance R 32 are electrically connected;
The other end of resistance R 31 is electrically connected with the end of light-emitting diode VL3;
The other end of resistance R 32 is electrically connected with the end of light-emitting diode VL4;
The other end of relay K 2 links to each other, and is connected to positive source with the other end of light-emitting diode VD7, the other end of diode VL3, the other end of light-emitting diode VL4.
10. universal electricity-saving protection device according to claim 9 is characterized in that: described direct current regulation circuit is made up of rectifier diode VD8, VD9, VD10, VD11, filter capacitor C9, C10, integrated circuit (IC);
The end of diode VD8 is connected with an end of the auxiliary winding of power transformer T40, the end of diode VD9, and the other end is connected with the end of diode VD10, the positive pole of filter capacitor C9, the pin 1 of integrated circuit (IC);
Diode VD11 one end is connected with the auxiliary winding other end of power transformer T40, the other end of diode VD10, and the other end of diode VD11 is connected and ground connection with the other end of diode VD9, the negative pole of filter capacitor C9, the negative pole of C10, the pin 2 of integrated circuit (IC);
The pin 3 of integrated circuit (IC) links to each other with the positive pole of filter capacitor C10, and is connected with positive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274329U CN201247958Y (en) | 2008-07-22 | 2008-07-22 | Universal energy-saving protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201274329U CN201247958Y (en) | 2008-07-22 | 2008-07-22 | Universal energy-saving protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201247958Y true CN201247958Y (en) | 2009-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201274329U Expired - Fee Related CN201247958Y (en) | 2008-07-22 | 2008-07-22 | Universal energy-saving protector |
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| Country | Link |
|---|---|
| CN (1) | CN201247958Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820651A (en) * | 2011-06-09 | 2012-12-12 | 毛振刚 | Intelligent motor electricity saver |
-
2008
- 2008-07-22 CN CNU2008201274329U patent/CN201247958Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102820651A (en) * | 2011-06-09 | 2012-12-12 | 毛振刚 | Intelligent motor electricity saver |
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