CN102570410A - Electronic voltage stabilizer - Google Patents
Electronic voltage stabilizer Download PDFInfo
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- CN102570410A CN102570410A CN2010105791504A CN201010579150A CN102570410A CN 102570410 A CN102570410 A CN 102570410A CN 2010105791504 A CN2010105791504 A CN 2010105791504A CN 201010579150 A CN201010579150 A CN 201010579150A CN 102570410 A CN102570410 A CN 102570410A
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Abstract
The invention discloses an electronic voltage stabilizer, concretely relating to an electronic voltage stabilizer which employs a relay switching mode to adjust voltage. According to the invention, through combined action of a current transformer, a current zero cross detection circuit, an analog to digital conversion circuit, a relay adhesion control switch circuit and a relay break control switch circuit, the electronic voltage stabilizer only can carry out switching motion of a relay when output current of a voltage stabilizer coil is in a zero-crossing state, which means that the output current is very small and is almost zero. The switching motion of the relay of the present invention not only is controlled by an over-voltage under-voltage identification circuit, but also is controlled by the current zero cross detection circuit, thus no arc or little arc is generated when switching the relay, a service life of the relay is prolonged, and the electronic voltage stabilizer is more durable.
Description
Technical field
The present invention relates to a kind of electronic voltage regulator, be specifically related to a kind of electronic voltage regulator that adopts the relay switching mode to come pressure regulation.
Background technology
As shown in Figure 1; The principle of stabilized voltage of existing electronic voltage regulator is: output voltage sampling circuit: gather the output voltage signal of pressurizer coil, the over-and under-voltage identification circuit: judge that according to said output voltage signal stabilizer output voltage is overvoltage or under-voltage condition; Many group relaies: according to said overvoltage or the adhesive of under-voltage condition signal or break off to change the pressurizer coil turn and recently stablize this stabilizer output voltage; As long as the voltage of electronic voltage regulator output is under-voltage or overvoltage condition, relay is carried out change action immediately.
By on can know that existing electronic voltage regulator all adopts many group relaies to make up switching way reaches voltage stabilizing with the turn ratio that changes the pressurizer coil purpose each other.Because the change action of relay only receives the control of over-and under-voltage identification circuit, have nothing to do with the relay contact band situation of carrying.When relay contact carries out disjunction at the bringing onto load electric current, when closed, certainly leads to strong electric arc, spark, serious scaling loss relay contact; Shorten the useful life of relay; Cause electronic voltage regulator complete machine performance to reduce, reduce the useful life of product, and failure rate is high.Especially more outstanding under capacitive, inductive load, strong electric arc is the scaling loss contact not only, and the electromagnetic radiation meeting that is produced has a strong impact on the operate as normal of other electric equipment products.
Summary of the invention
Produce the problem of strong electric arc, spark when switching, the object of the present invention is to provide a kind of electronic voltage regulator that does not have arc or few arc for the relay that solves existing electronic voltage regulator.
For realizing the foregoing invention purpose, technical scheme that the present invention adopts is following:
A kind of electronic voltage regulator comprises:
Output voltage sampling circuit, the output voltage signal of collection pressurizer coil; The over-and under-voltage identification circuit judges that according to said output voltage signal stabilizer output voltage is overvoltage or under-voltage condition; Many group relaies are according to said overvoltage or the adhesive of under-voltage condition signal or break off to change the pressurizer coil turn and recently stablize this stabilizer output voltage; Current transformer is responded to the output current of said pressurizer coil; The current over-zero testing circuit judges that according to said output current said pressurizer output current was nought state or non-zero status; Analog to digital conversion circuit is a digital voltage signal with said nought state excessively or non-zero status conversion of signals, and is transferred to said relay adhesive control switch circuit and relay disconnection control switch circuit; Relay adhesive control switch circuit, if receive said digital voltage signal be zero and the detected pressurizer of said over-and under-voltage identification circuit be output as overvoltage or under-voltage condition, the corresponding relay of adhesive then; Relay breaks off the control switch circuit, if receive said digital voltage signal be zero and the detected pressurizer of said over-and under-voltage identification circuit be output as overvoltage or under-voltage condition, then break off corresponding relay.
Preferably, on said current transformer, also be connected with a current rectifying and wave filtering circuit; Said current rectifying and wave filtering circuit, the alternating voltage that said current transformer is sensed converts a direct current voltage into, to provide other circuit units required operating voltage.Increase this current rectifying and wave filtering circuit, can avoid the situation of external dc power supply, it is convenient to make that the present invention uses, and has reduced the cost of independent configuring direct current power supply.
The present invention breaks off the acting in conjunction of control switch circuit through current transformer, current over-zero testing circuit, analog to digital conversion circuit, relay adhesive control switch circuit and relay; Make that the present invention was a nought state at the output current of pressurizer coil only; Promptly be that output current is very little when almost nil, just can carry out the change action of relay.
By on can know; The change action of relay of the present invention not only receives the control of over-and under-voltage identification circuit, also receives the control of current over-zero testing circuit simultaneously, thereby makes relay not have arc or few arc generation when switching; Prolong relay useful life, make the present invention more durable.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute to improper qualification of the present invention, in the accompanying drawings:
Fig. 1 is the principle of stabilized voltage block diagram of existing electronic voltage regulator;
Fig. 2 is an electric theory diagram of the present invention;
Fig. 3 is physical circuit figure of the present invention.
Embodiment
To combine accompanying drawing and specific embodiment to specify the present invention below, be used for explaining the present invention in this illustrative examples of the present invention and explanation, but not as to qualification of the present invention.
Embodiment 1:
Present embodiment discloses a kind of electronic voltage regulator, and is as shown in Figure 2, comprising:
Output voltage sampling circuit, the output voltage signal of collection pressurizer coil;
The over-and under-voltage identification circuit judges that according to said output voltage signal stabilizer output voltage is overvoltage or under-voltage condition;
Many group relaies are according to said overvoltage or the adhesive of under-voltage condition signal or break off to change the pressurizer coil turn and recently stablize this stabilizer output voltage;
Current transformer is responded to the output current of said pressurizer coil;
The current over-zero testing circuit judges that according to said output current said pressurizer output current was nought state or non-zero status;
Analog to digital conversion circuit is a digital voltage signal with said nought state excessively or non-zero status conversion of signals, and is transferred to said relay adhesive control switch circuit and relay disconnection control switch circuit;
Relay adhesive control switch circuit, if receive said digital voltage signal be zero and the detected pressurizer of said over-and under-voltage identification circuit be output as overvoltage or under-voltage condition, the corresponding relay of adhesive then;
Relay breaks off the control switch circuit, if receive said digital voltage signal be zero and the detected pressurizer of said over-and under-voltage identification circuit be output as overvoltage or under-voltage condition, then break off corresponding relay;
Current rectifying and wave filtering circuit, the alternating voltage that said current transformer is sensed converts a direct current voltage into, to provide other circuit units required operating voltage.
The present invention breaks off the acting in conjunction of control switch circuit through current transformer, current over-zero testing circuit, analog to digital conversion circuit, relay adhesive control switch circuit and relay; Make that the present invention was a nought state at the output current of pressurizer coil only; Promptly be that output current is very little when almost nil, just can carry out the change action of relay.Need to prove that the nought state of crossing of the present invention is not to be absolute value at zero point, but less than certain current values scope, relay switches no arc or few arc generation in this scope.
As shown in Figure 3, said current rectifying and wave filtering circuit comprises: second rectifier bridge that is made up of the 7th diode D7, the 8th diode D8, the 9th diode D9, the tenth diode D10, and the 5th capacitor C 5 that is attempted by the said second rectifier bridge two ends.
As shown in Figure 3, said current over-zero testing circuit comprises the first rectifier bridge BD1, the first diode D1, the second diode D2, the first triode Q1, the second triode Q2, first resistance R 1, second resistance R 2 and the 3rd resistance R 3; The input of the said first rectifier bridge BD1 is attempted by on the said current transformer TA; The positive pole of the said first diode D1 is electrically connected with the cathode output end of the said first rectifier bridge BD1; The negative pole of the said first diode D1 is connected with the negative electricity of the said second diode D2; The base stage of the said first triode Q1 is electrically connected with the cathode output end of the said first rectifier bridge BD1 through said first resistance R 1; Be electrically connected, the collector electrode of the said first triode Q1 is connected with the negative electricity of the said first diode D1 through said second resistance R 2 emitter of the said first triode Q1 and power supply; The base stage of the said second triode Q2 is electrically connected with the collector electrode of the said first triode Q1, is electrically connected the emitter of the said second triode Q2 and power supply, and the collector electrode of the said second triode Q2 is connected with the positive electrical of the said second diode D2; Said the 3rd resistance R 3 is connected the positive terminal of the said second diode D2.
As shown in Figure 3; Analog-digital conversion circuit as described comprises first capacitor C 1; The 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11, the 12 resistance R 12, and the 3rd triode Q3, the 4th triode Q4, the 5th triode Q5, the 6th triode Q6, the 7th triode Q7, the 8th triode Q8; Said first capacitor C 1 is attempted by between the positive pole and power supply ground of the said second diode D2; The base stage of said the 3rd triode Q3 is connected with the positive electrical of the said second diode D2 through the 7th resistance R 7; Be electrically connected, the collector electrode of said the 3rd triode Q3 is electrically connected with the 3rd resistance R 3 through the 6th resistance R 6 emitter of the 3rd triode Q3 and power supply; The base stage of said the 4th triode Q4 is electrically connected with the collector electrode of said the 3rd triode Q3, and the collector electrode of said the 4th triode Q4 is electrically connected with the 3rd resistance R 3 through the 5th resistance R 5; The base stage of said the 5th triode Q5 is electrically connected with the emitter of said the 4th triode Q4, is electrically connected the emitter of said the 5th triode Q5 and power supply, and the collector electrode of said the 5th triode Q5 is electrically connected with the 3rd resistance R 3 through said the 4th resistance R 4; The base stage of said the 6th triode Q6 is electrically connected with the collector electrode of said the 5th triode Q5; The collector electrode of said the 6th triode Q6 is electrically connected with said the 3rd resistance R 3, and the emitter of the 6th triode Q6 is electrically connected with second chip IC 2 through the 11 resistance R 11; The emitter of said the 7th triode Q7 is electrically connected with said the 3rd resistance R 3; The collector electrode of said the 7th triode Q7 is electrically connected with the 3rd chip IC 3, and the base stage of said the 7th triode Q7 is electrically connected with the collector electrode of said the 8th triode Q8 through the 12 resistance R 12; The base stage of said the 8th triode Q8 is connected with the positive electrical of the second diode D2 through the 8th resistance R 8, is electrically connected the emitter of the 8th triode Q8 and power supply; Said the 9th resistance R 9 is attempted by between the base stage and power supply ground of said the 3rd triode Q3; Said the tenth resistance R 10 is attempted by between said the 8th triode Q8 base stage and the power supply ground.
As shown in Figure 3; Said relay adhesive control switch circuit comprises second chip IC 2; The 12 resistance R the 12, the 13 resistance R the 13, the 14 resistance R the 14, the 18 resistance R the 18, the 19 resistance R 19; The first thyristor SCR1, the second thyristor SCR2, the 9th triode Q9, the 12 triode Q12, and first K switch 1, second switch K2; Be electrically connected, the collector electrode of said the 9th triode Q9 is electrically connected with said first K switch 1 emitter of said the 9th triode Q9 and power supply, and the base stage of said the 9th triode Q9 is electrically connected with the negative electrode K of the said first thyristor SCR1; The anode A of the said first thyristor SCR1 is electrically connected with said the 14 resistance R 14, and the gate pole G of the said first thyristor SCR1 is electrically connected with said second chip IC 2 through the 13 resistance R 13; Be electrically connected, the collector electrode of said the 12 triode Q12 is electrically connected with said second switch K2 the emitter of said the 12 triode Q12 and power supply, and the base stage of said the 12 triode Q12 is electrically connected with the negative electrode K of the said second thyristor SCR2; The anode A of the said second thyristor SCR2 is electrically connected with the 19 resistance R 19, and the said second thyristor SCR2 gate pole G is electrically connected with said second chip IC 2 through the 18 resistance R 18.
As shown in Figure 3; Said relay breaks off the control switch circuit and comprises the 3rd chip IC 3; The 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6; The 3rd capacitor C 3, the 4th capacitor C 4, the 15 resistance R the 15, the 16 resistance R the 16, the 17 resistance R the 17, the 20 resistance R the 20, the 21 resistance R the 21, the 22 resistance R 22, the ten triode Q10, the 11 triode Q11, the 13 triode Q13, the 14 triode Q14; Be electrically connected the emitter of said the tenth triode Q10 and power supply, the collector electrode of the tenth triode Q10 be connected with the negative electricity of said the 4th diode D4, the base stage of said the tenth triode Q10 is electrically connected with the collector electrode of said the 11 triode Q11; Be electrically connected the emitter of said the 11 triode Q11 and power supply; The collector electrode of said the 11 triode Q11 is electrically connected with said the 3rd resistance R 3 through the 16 resistance R 16, and the base stage of said the 16 resistance R 16 is connected with the negative electricity of the 3rd diode D3 through the 17 resistance R 17; The negative pole of said the 3rd diode D3 is electrically connected with the 3rd chip IC 3 through the 15 resistance R 15; Be electrically connected the emitter of said the 13 triode Q13 and power supply; The collector electrode of said the 13 triode Q13 is connected with the negative electricity of said the 6th diode D6, said the 13 triode Q13 base stage be electrically connected with the collector electrode of said the 14 triode Q14; Be electrically connected the emitter of said the 14 triode Q14 and power supply; The base stage of said the 14 triode Q14 is connected with the negative electricity of said the 5th diode D5 through the 22 resistance R 22, and the collector electrode of said the 14 triode Q14 is electrically connected with said the 3rd resistance R 3 through the 21 resistance R 21; The negative pole of said the 5th diode D5 is electrically connected with said the 3rd chip IC 3 through the 20 resistance R 20.
As shown in Figure 3, the present invention does not have arc, few arc electronic voltage regulator, and its circuit is formed and comprised: current transformer TA forms signal input circuit; A DC power supply circuit; The measurement computing circuit that an integrated package (A1, A2, A3, A4) is formed; Zero-crossing detection circuit; Analog to digital conversion circuit; The waveform finishing circuit; Analog-converted control switch circuit is formed.It utilizes the current sample dynamic scan, carries out the modulus signal conversion again from motion tracking; The waveform transformation technology; Optimum data is set automatically; Judge the operate time of each road relay when load current point rapidly, accurately, realize relay, thereby arrive no electric arc disjunction, closure in zero crossing disjunction, closure; Prolong the useful life of product greatly, reduce interference signal source.
By on can know that its main circuit comprises: 1, electric current mutual inductance TA, the usefulness of signal, circuit power is made in rectifier stack (D7～D10, C5), I/U conversion, AC/DC conversion; 2, analog to digital conversion circuit is made up of R4～R12, C1, Q3～Q8; 3, the current zero-crossing point testing circuit is made up of BD1, D1, D2, Q1, Q2, R3, and 4, adhesive control switch circuit is made up of IC2, R13, R14, R18, R19, SCR1, SCR2, Q9, Q12, K1, K2 during the relay current zero crossing; 5, discharge during the relay current zero crossing control switch circuit by: IC3, D3～D6, C3, C4, R15～R17, R20～R22, Q10, Q11, Q13, Q14 form.
Its operation principle and state are summarized as follows:
The electric current mutual inductance is carried out current signal sampling, energy supply to output loading, and one the tunnel as the current zero-crossing point testing circuit, analog-to-digital conversion, and waveform transformation is with simulation control switch combination of circuits.Utilize the current sample dynamic scan, from motion tracking.Detect again; Optimum data is set automatically; Judge the operate time of each road relay when load current point rapidly, accurately, realize relay, thereby do not have electric arc, no-spark when making relay under the bringing onto load situation, realize disjunction, closed conversion in zero crossing disjunction, closure.
More than the technical scheme that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper the principle and the execution mode of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. electronic voltage regulator comprises:
One output voltage sampling circuit, the output voltage signal of collection pressurizer coil;
One over-and under-voltage identification circuit judges that according to said output voltage signal stabilizer output voltage is overvoltage or under-voltage condition;
Many group relaies are according to said overvoltage or the adhesive of under-voltage condition signal or break off to change the pressurizer coil turn and recently stablize this stabilizer output voltage;
It is characterized in that:
Also comprise a current transformer, a current over-zero testing circuit, an analog to digital conversion circuit, a relay adhesive control switch circuit and a relay and break off the control switch circuit;
Said current transformer is responded to the output current of said pressurizer coil;
Said current over-zero testing circuit judges that according to said output current said pressurizer output current was nought state or non-zero status;
Analog-digital conversion circuit as described is a digital voltage signal with said nought state excessively or non-zero status conversion of signals, and is transferred to said relay adhesive control switch circuit and relay disconnection control switch circuit;
Said relay adhesive control switch circuit, if receive said digital voltage signal be zero and the detected pressurizer of said over-and under-voltage identification circuit be output as overvoltage or under-voltage condition, the corresponding relay of adhesive then;
Said relay breaks off the control switch circuit, if receive said digital voltage signal be zero and the detected pressurizer of said over-and under-voltage identification circuit be output as overvoltage or under-voltage condition, then break off corresponding relay.
2. electronic voltage regulator according to claim 1 is characterized in that:
On said current transformer, also be connected with a current rectifying and wave filtering circuit;
Said current rectifying and wave filtering circuit, the alternating voltage that said current transformer is sensed converts a direct current voltage into, to provide other circuit units required operating voltage.
3. electronic voltage regulator according to claim 2 is characterized in that:
Said current rectifying and wave filtering circuit comprises: by second rectifier bridge of the 7th diode (D7), the 8th diode (D8), the 9th diode (D9), the tenth diode (D10) formation, and the 5th electric capacity (C5) that is attempted by the said second rectifier bridge two ends.
4. electronic voltage regulator according to claim 1 is characterized in that:
Said current over-zero testing circuit comprises first rectifier bridge (BD1), first diode (D1), second diode (D2), first triode (Q1), second triode (Q2), first resistance (R1), second resistance (R2) and the 3rd resistance (R3);
The input of said first rectifier bridge (BD1) is attempted by on the said current transformer (TA);
The positive pole of said first diode (D1) is electrically connected with the cathode output end of said first rectifier bridge (BD1);
The negative pole of said first diode (D1) is connected with the negative electricity of said second diode (D2);
The base stage of said first triode (Q1) is electrically connected with the cathode output end of said first rectifier bridge (BD1) through said first resistance (R1); Be electrically connected, the collector electrode of said first triode (Q1) is connected with the negative electricity of said first diode (D1) through said second resistance (R2) emitter of said first triode (Q1) and power supply;
The base stage of said second triode (Q2) is electrically connected with the collector electrode of said first triode (Q1); Be electrically connected, the collector electrode of said second triode (Q2) is connected with the positive electrical of said second diode (D2) emitter of said second triode (Q2) and power supply;
Said the 3rd resistance (R3) is connected the positive terminal of said second diode (D2).
5. electronic voltage regulator according to claim 1 is characterized in that:
Analog-digital conversion circuit as described comprises first electric capacity (C1); The 4th resistance (R4), the 5th resistance (R5), the 6th resistance (R6), the 7th resistance (R7), the 8th resistance (R8), the 9th resistance (R9), the tenth resistance (R10), the 11 resistance (R11), the 12 resistance (R12), and the 3rd triode (Q3), the 4th triode (Q4), the 5th triode (Q5), the 6th triode (Q6), the 7th triode (Q7), the 8th triode (Q8);
Said first electric capacity (C1) is attempted by between the positive pole and power supply ground of said second diode (D2);
The base stage of said the 3rd triode (Q3) is connected with the positive electrical of said second diode (D2) through the 7th resistance (R7); Be electrically connected, the collector electrode of said the 3rd triode (Q3) is electrically connected with the 3rd resistance (R3) through the 6th resistance (R6) emitter of the 3rd triode (Q3) and power supply;
The base stage of said the 4th triode (Q4) is electrically connected with the collector electrode of said the 3rd triode (Q3), and the collector electrode of said the 4th triode (Q4) is electrically connected with the 3rd resistance (R3) through the 5th resistance (R5);
The base stage of said the 5th triode (Q5) is electrically connected with the emitter of said the 4th triode (Q4); Be electrically connected, the collector electrode of said the 5th triode (Q5) is electrically connected with the 3rd resistance (R3) through said the 4th resistance (R4) emitter of said the 5th triode (Q5) and power supply;
The base stage of said the 6th triode (Q6) is electrically connected with the collector electrode of said the 5th triode (Q5); The collector electrode of said the 6th triode (Q6) is electrically connected with said the 3rd resistance (R3), and the emitter of the 6th triode (Q6) is electrically connected with second chip (IC2) through the 11 resistance (R11);
The emitter of said the 7th triode (Q7) is electrically connected with said the 3rd resistance (R3); The collector electrode of said the 7th triode (Q7) is electrically connected with the 3rd chip (IC3), and the base stage of said the 7th triode (Q7) is electrically connected with the collector electrode of said the 8th triode (Q8) through the 12 resistance (R12);
The base stage of said the 8th triode (Q8) is connected with the positive electrical of second diode (D2) through the 8th resistance (R8), is electrically connected the emitter of the 8th triode (Q8) and power supply;
Said the 9th resistance (R9) is attempted by between the base stage and power supply ground of said the 3rd triode (Q3);
Said the tenth resistance (R10) is attempted by between said the 8th triode (Q8) base stage and the power supply ground.
6. electronic voltage regulator according to claim 1 is characterized in that:
Said relay adhesive control switch circuit comprises second chip (IC2); The 12 resistance (R12), the 13 resistance (R13), the 14 resistance (R14), the 18 resistance (R18), the 19 resistance (R19); First thyristor (SCR1), second thyristor (SCR2); The 9th triode (Q9), the 12 triode (Q12), and first switch (K1), second switch (K2);
Be electrically connected, the collector electrode of said the 9th triode (Q9) is electrically connected with said first switch (K1) emitter of said the 9th triode (Q9) and power supply, and the base stage of said the 9th triode (Q9) is electrically connected with the negative electrode (K) of said first thyristor (SCR1);
The anode (A) of said first thyristor (SCR1) is electrically connected with said the 14 resistance (R14), and the gate pole (G) of said first thyristor (SCR1) is electrically connected with said second chip (IC2) through the 13 resistance (R13);
Be electrically connected the emitter of said the 12 triode (Q12) and power supply; The collector electrode of said the 12 triode (Q12) is electrically connected with said second switch (K2), and the base stage of said the 12 triode (Q12) is electrically connected with the negative electrode (K) of said second thyristor (SCR2);
The anode (A) of said second thyristor (SCR2) is electrically connected with the 19 resistance (R19), and said second thyristor (SCR2) gate pole (G) is electrically connected with said second chip (IC2) through the 18 resistance (R18).
7. according to right 1 described electronic voltage regulator, it is characterized in that:
Said relay breaks off the control switch circuit and comprises the 3rd chip (IC3); The 3rd diode (D3), the 4th diode (D4), the 5th diode (D5), the 6th diode (D6); The 3rd electric capacity (C3), the 4th electric capacity (C4); The 15 resistance (R15), the 16 resistance (R16), the 17 resistance (R17), the 20 resistance (R20), the 21 resistance (R21), the 22 resistance (R22), the tenth triode (Q10), the 11 triode (Q11), the 13 triode (Q13), the 14 triode (Q14);
Be electrically connected the emitter of said the tenth triode (Q10) and power supply; The collector electrode of the tenth triode (Q10) be connected with the negative electricity of said the 4th diode (D4), the base stage of said the tenth triode (Q10) is electrically connected with the collector electrode of said the 11 triode (Q11);
Be electrically connected the emitter of said the 11 triode (Q11) and power supply; The collector electrode of said the 11 triode (Q11) is electrically connected with said the 3rd resistance (R3) through the 16 resistance (R16), and the base stage of said the 16 resistance (R16) is connected with the negative electricity of the 3rd diode (D3) through the 17 resistance (R17);
The negative pole of said the 3rd diode (D3) is electrically connected with the 3rd chip (IC3) through the 15 resistance (R15);
Be electrically connected the emitter of said the 13 triode (Q13) and power supply; The collector electrode of said the 13 triode (Q13) is connected with the negative electricity of said the 6th diode (D6), said the 13 triode (Q13) base stage be electrically connected with the collector electrode of said the 14 triode (Q14);
Be electrically connected the emitter of said the 14 triode (Q14) and power supply; The base stage of said the 14 triode (Q14) is connected with the negative electricity of said the 5th diode (D5) through the 22 resistance (R22), and the collector electrode of said the 14 triode (Q14) is electrically connected with said the 3rd resistance (R3) through the 21 resistance (R21);
The negative pole of said the 5th diode (D5) is electrically connected with said the 3rd chip (IC3) through the 20 resistance (R20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010579150.4A CN102570410B (en) | 2010-12-07 | 2010-12-07 | Electronic voltage stabilizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010579150.4A CN102570410B (en) | 2010-12-07 | 2010-12-07 | Electronic voltage stabilizer |
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| Publication Number | Publication Date |
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| CN102570410A true CN102570410A (en) | 2012-07-11 |
| CN102570410B CN102570410B (en) | 2014-11-05 |
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| CN201010579150.4A Expired - Fee Related CN102570410B (en) | 2010-12-07 | 2010-12-07 | Electronic voltage stabilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602517A (en) * | 2016-12-22 | 2017-04-26 | 中山市马迅电器有限公司 | Voltage stabilizer self-protective method |
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| CN201464946U (en) * | 2009-04-28 | 2010-05-12 | 东莞市嘉利五金电器厂 | Zero crossing voltage gear shifting AC voltage regulator for relay |
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- 2010-12-07 CN CN201010579150.4A patent/CN102570410B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN2158107Y (en) * | 1993-05-10 | 1994-03-02 | 魏多山 | Current zeropassage switching over digital alternating-current manostat |
| CN2280947Y (en) * | 1996-01-08 | 1998-05-06 | 许晓红 | Stabilizer with arc-suppression function |
| US20040141273A1 (en) * | 2003-01-17 | 2004-07-22 | Exar Corporation | CMOS analog switch with auto over-voltage turn-off |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602517A (en) * | 2016-12-22 | 2017-04-26 | 中山市马迅电器有限公司 | Voltage stabilizer self-protective method |
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| CN102570410B (en) | 2014-11-05 |
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