CN1808872A - Variable time constant-temperature AC voltage/current transformation power supply - Google Patents
Variable time constant-temperature AC voltage/current transformation power supply Download PDFInfo
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- CN1808872A CN1808872A CN 200510112430 CN200510112430A CN1808872A CN 1808872 A CN1808872 A CN 1808872A CN 200510112430 CN200510112430 CN 200510112430 CN 200510112430 A CN200510112430 A CN 200510112430A CN 1808872 A CN1808872 A CN 1808872A
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Abstract
This invention discloses one time adjusting content alternating transducer power, which comprises assistant power circuit, three electrode tube adjusting circuit, transducer, load circuit, single switch, sensor voltage signal sampling amplifying circuit, temperature pre-set and power protective control signal generation circuit, timing control signal generation circuit and signal control circuit, wherein, the load circuit gets voltage and current from electrode tube modulation circuit through single double switch and to make the current controlled by the load such as temperature control or volume control.
Description
Technical field
The present invention relates to power supply, especially relate to a kind of variable time constant-temperature AC voltage/current transformation power supply.
Background technology
AC voltage/current transformation power supply generally adopts controllable silicon technology, change transformer former pair of limit magnetic linkage interlinkage amount technology or transformer coil gear shift technology to change the electric current and voltage of load at present, the former load voltage electric current is subjected to the control of thyristor operating angle, output waveform is bad, latter's equipment heaviness, electric current and voltage can not change continuously.
Summary of the invention
The object of the present invention is to provide the variable time constant-temperature AC voltage/current transformation power supply that a kind of input and output voltage electric current is all adjustable continuously, waveform well is subjected to the control of load environment again.
The object of the present invention is achieved like this: the present invention includes auxiliary power circuit; feature is to comprise that also triode regulating circuit, transformer, load circuit, single-pole double-throw switch (SPDT), sensing voltage sample of signal amplifying circuit, temperature are preset and power protection starts to control signal generating circuit, signal generating circuit and signal control circuit are started to control in timing; load circuit obtains electric current and voltage through single-pole double-throw switch (SPDT) from transformer or from the triode regulating circuit; and make electric current and voltage controlled by the load environment, as be subjected to temperature control or luminous flux control etc.
The present invention can use with single-phase form variable time constant-temperature AC voltage/current transformation power supply, also can use with three-phase form variable time constant-temperature AC voltage/current transformation power supply.The present invention can also be by single-pole double-throw switch (SPDT) control with transformer or without transformer.
Transducer of the present invention can be transducers such as temperature, luminous flux, humidity, magnetic field or the field of force, mainly is temperature sensor.
The present invention has the advantage that the input and output voltage electric current is all adjustable continuously, waveform well is subjected to the control of load environment again.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is first kind of circuit theory diagrams of four end sensors;
Fig. 3 is to be to wait the three-phase triode regulating circuit T that constitutes with the NPN pipe
A, T
B, T
CFirst kind of replacement circuit schematic diagram;
Fig. 4 is to be to wait the three-phase triode regulating circuit T that constitutes with the PNP pipe
A, T
B, T
CSecond kind of replacement circuit schematic diagram;
The three-phase four-wire power preceding stage high frequency filter circuit of Fig. 5 for constituting with ferrite transformer, electric capacity;
Fig. 6 adopts second kind of circuit theory diagrams of four end sensors of magnetodiode for brachium pontis;
Fig. 7 adopts the third circuit theory diagrams of four end sensors of force sensing element for brachium pontis.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
Embodiment 1: single-phase variable time constant-temperature AC voltage/current transformation power supply (is example mutually with A)
The present invention is by triode regulating circuit T
A, transformer B
A, load circuit Z
A, single-pole double-throw switch (SPDT) K
A1, K
A2, the default and power protection of sensing voltage sample of signal amplifying circuit, temperature starts to control signal generating circuit, regularly starts to control signal generating circuit, signal control circuit and auxiliary power circuit and form.
Triode regulating circuit T
ABy fuse BX
A, triode GTR
A1, GTR
A2, BG
A1, BG
A2, BG
A3, diode D
A1-D
A10 adjustable resistance W
A1--W
A4, resistance R
A1-R
A4, capacitor C
A1--C
A3 and other element form triode GTR
A1 collector electrode and fuse BX
AConnect the end of civil power 220V after the series connection, emitter meets diode D
A3 anodes and diode D
AThe common port of 5 anodes, diode D
A3 negative electrode meets diode D
A1 anode, diode D
A2 anodes and diode D
AThe common port of 4 negative electrodes, diode D
A4 anode meets triode GTR
A2 emitters and diode D
AThe common port of 6 anodes, triode GTR
A1 base stage meets triode BG
A1 emitter, triode GTR
A2 base stage meets triode BG
A2 emitter, resistance R
A1 is connected in parallel on triode GTR
A1 collector electrode and triode BG
ABetween 1 the collector electrode, resistance R
A2 are connected in parallel on triode GTR
A2 collector electrode and triode BG
ABetween 2 the collector electrode, diode D
A1 negative electrode and diode D
AThe public termination triode GTR of 5 negative electrodes
A1 collector electrode, diode D
A2 negative electrodes and diode D
AThe public termination triode GTR of 6 negative electrodes
A2 collector electrode, triode BG
A1 base stage and triode BG
A2 base stages all meet diode D
A8 negative electrode, diode D
A8 anode and resistance R
AMeet triode BG after 3 series connection
A3 emitter, triode BG
A3 base stage and resistance R
A4, adjustable resistance W
A3, W
A4 meet diode D after the series connection successively
A9 negative electrode, diode D
A9 anode meets triode GTR
A1 collector electrode, diode D
A7 with diode D
A8 reverse parallel connections, capacitor C
A3 are connected in parallel on diode D
A8 anodes and triode BG
A3 collector electrodes, diode D
A9 negative electrodes and diode D
ABetween the common port of 10 negative electrodes, diode D
A10 anode meets triode GTR
A2 collector electrode, capacitor C
A1 is connected in parallel on triode GTR
ABetween 1 the collector electrode and ground, capacitor C
A2 are connected in parallel on triode GTR
ABetween 2 the collector electrode and ground, adjustable resistance W
A1, W
A2 are connected in parallel on diode D after the series connection successively
A1 anode and triode BG
ABetween 3 the base stage.
Single-pole double-throw switch (SPDT) K
A1 middle end points E
A1 meets triode GTR
A2 collector electrode, an end points P
A1 short circuit single-pole double-throw switch (SPDT) K
AAn end points P of 2
A2, another end points Q
A1 with transformer B
APrimary coil series connection back ground connection, single-pole double-throw switch (SPDT) K
AAnother end points Q of 2
A2 with transformer B
ASecondary side coil series connection back ground connection, middle end points E
A2 with load circuit Z
ASeries connection back ground connection, end points P
A1, P
A2 short circuits.
Sensing voltage sample of signal amplifying circuit is by four end sensor CHGQ1, field effect transistor NMOS1, integrated circuit (IC) 2, IC3, adjustable resistance W1, W2, resistance R 1-R5, R7-R9, K switch 1 and other element are formed, power supply termination+12V voltage of four end sensor CHGQ1, earth terminal ground connection, the control utmost point of positive output termination field effect transistor NMOS1, the common port of the source electrode of negative output termination field effect transistor NMOS1 and the end points Q1 of K switch 1, resistance R 1 is connected in parallel on+common port of the drain electrode of 12V voltage and field effect transistor NMOS1 and the end points P1 of K switch 1 between, the middle end points E1 of K switch 1 connects the positive input terminal of integrated circuit (IC) 2, resistance R 2 is connected in parallel between the source electrode and ground of field effect transistor NMOS, one termination of resistance R 3+12V voltage, the other end successively with resistance R 4, adjustable resistance W1 series connection back ground connection, the negative input end connecting resistance R3 of integrated circuit (IC) 2, the public connecting end of R4, power end with connect+12V voltage after resistance R 5 is connected, earth terminal ground connection, the negative input end and the photoelectrical coupler TDL of the output termination integrated circuit (IC) 3 of integrated circuit (IC) 2
AThe common port of the anode of 1 photodiode, one termination of resistance R 7+12V voltage, ground connection after the other end is connected with resistance R 8, adjustable resistance W2 successively, the positive input terminal connecting resistance R7 of integrated circuit (IC) 3, the public connecting end of R8, the power end of integrated circuit (IC) 3 with connect+12V voltage after resistance R 9 is connected, earth terminal ground connection, the output termination photoelectrical coupler TDL of integrated circuit (IC) 2
AThe anode of 2 photodiode.
The default power protection that reaches of temperature starts to control signal generating circuit by four end sensor CHGQ2; field effect transistor NMOS2; triode BG1; diode D6; loud speaker SPK; adjustable resistance W3; W4; resistance R 11-R14 and other element are formed; the power end of four end sensor CHGQ2 and adjustable resistance W4; resistance R 11 connects+12V voltage after connecting successively; earth terminal ground connection; the control utmost point of positive output termination field effect transistor NMOS2; the source electrode of negative output termination field effect transistor NMOS2 and the common port of diode D6 anode; the negative electrode of diode D6 connects the intermediate contact of adjustable resistance W3; the drain electrode of field effect transistor NMOS2 connects the negative electrode of the photodiode of photoelectrical coupler TDLA3; the common port of the base stage of the anode of photodiode and triode BG1 with connect+12V voltage after resistance R 13 is connected; one end of resistance R 12 and an end of resistance R 14 all connect+12V voltage; ground connection after the other end of resistance R 12 is connected with adjustable resistance W3; the emitter of another termination triode BG1 of resistance R 14; ground connection after the anode of the collector electrode sending and receiving optical diode LED of triode BG1, the negative electrode of LED are connected with loud speaker SPK.
Regularly start to control signal generating circuit by time-base integrated circuit IC4, integrated circuit (IC) 5, diode D7-D9, adjustable resistance W5-W7, resistance R 15-R19, polar capacitor C3-C5, C7, single pole multiple throw K2 and other element are formed, reset terminal 4 pin of time-base integrated circuit IC4, power end 8 pin all connect+12V voltage, earth terminal 1 pin ground connection, ground connection after control voltage end 5 pin are connected with capacitor C 6, one termination of resistance R 15+12V voltage, discharge end 7 pin of another termination time-base integrated circuit IC4, the common port of the anode of diode D7 and resistance R 16 1 ends, the negative electrode of diode D7 and low triggering end 2 pin that meet time-base integrated circuit IC4 after adjustable resistance W5 connects, the common port of high-triggering end 6 pin and diode D8 anode, the other end of the negative electrode connecting resistance R16 of diode D8, the stiff end E2 of the slip termination K switch 2 of adjustable resistance W5, polar capacitor C3, C4, the sliding end P2 of the termination K switch 2 of C5, P3, P4, polar capacitor C3, C4, the equal ground connection of the other end of C5, output 3 pin of time-base integrated circuit IC4 connect the anode of diode D9, the negative electrode of diode D9 connects the common port of polar capacitor C7 positive pole and integrated circuit (IC) 5 positive input terminals, the minus earth of polar capacitor C7, adjustable resistance W6 is connected in parallel on the two ends of polar capacitor C7, ground connection after the negative input end of integrated circuit (IC) 5 is connected with adjustable resistance W7, resistance R 17 is connected in parallel on+negative input end of 12V voltage and integrated circuit (IC) 5 between, the power end of integrated circuit (IC) 5 with connect+12V voltage after resistance R 18 is connected, earth terminal ground connection, output termination photoelectrical coupler TDL
AThe anode of 4 photodiode.
Signal control circuit is by four photoelectrical coupler TDL
A1-TDL
A4, resistance R 6, R10, R19 form photoelectrical coupler TDL
AThe anode of 1 photodiode connects the output of integrated circuit (IC) 2, ground connection after negative electrode is connected with resistance R 6, and the emitter of phototriode meets adjustable resistance W
A1, W
A2 common port, collector connecting transistor BG
A3 base stage, photoelectrical coupler TDL
AThe anode of 2 photodiode connects the output of integrated circuit (IC) 3, ground connection after negative electrode is connected with resistance R 10, the emitter connecting resistance R of phototriode
A4, adjustable resistance W
A3 common port, collector electrode meet adjustable resistance W
A3, W
A4 common port, photoelectrical coupler TDL
AThe anode of 3 photodiode connects the common port of base stage and the resistance R 13 of triode BG1, and negative electrode connects the drain electrode of field effect transistor NMOS2, photoelectrical coupler TDL
AThe anode of 4 photodiode connects the output of integrated circuit (IC) 4, ground connection after negative electrode is connected with resistance R 19, photoelectrical coupler TDL
AThe emitter of 3 phototriode and photoelectrical coupler TDL
AThe emitter of 4 phototriode all meets diode D
A1 anode, collector electrode all meet diode D
A8 negative electrode.
With reference to Fig. 2, four end sensor CHGQ1, CHGQ2 is by triode BG2, BG3, voltage stabilizing didoe ZW1, adjustable resistance W8, W9, resistance R 20-R23 forms, adjustable resistance W8, resistance R 22, the end of R23 is power end, the collector electrode of another termination triode BG3 of adjustable resistance W8, the emitter of triode BG2 connects the base stage of triode BG3, collector electrode with connect triode BG3 collector electrode after resistance R 21 is connected, resistance R 20 is connected between the base stage of triode BG3 collector electrode and triode BG2, the emitter of triode BG3 connects the common port of the voltage stabilizing didoe ZW1 negative electrode and resistance R 22 other ends, the plus earth of voltage stabilizing didoe ZW1, ground connection after the other end of resistance R 23 is connected with adjustable resistance W9, the current collection of triode BG3 is positive output end very, and resistance R 23 is a negative output terminal with the public connecting end of adjustable resistance W9.Wherein R20 can be in thermistor, humistor, photo resistance, force sensing resistance or the mistor one.Hall element can be used as the direct place in circuit of four end sensors.
Auxiliary power circuit is made up of fuse BX, transformer B1, integrated regulator IC1, diode D1-D5 and polar capacitor C1, C2, the civil power of 220V is output+12V voltage after transformer B1 step-down, diode D1-D4 rectification, integrated regulator IC1 voltage stabilizing and polar capacitor C16, C2 filtering, supplies with other circuit.
Embodiment 2: the three-phase variable time constant-temperature AC voltage/current transformation power supply
Embodiment 2 adopts three-phase control, triode regulating circuit T
B, T
CElement and structure and T
AElement and structure identical, the single-pole double-throw switch (SPDT) K of B phase
B1, K
B2, transformer B
B, load circuit Z
BElement and the single-pole double-throw switch (SPDT) K of structure, C phase
C1, K
C2, transformer B
C, load circuit Z
CElement and structure and A single-pole double-throw switch (SPDT) K mutually
A1, K
A2, transformer B
A, load circuit Z
AElement and structure identical.
Regulate triode regulating circuit T
B, T
CElement and the structure and the T of signal control circuit of output voltage
AThe element and the structure of signal control circuit identical.
All the other sensing voltage sample of signal amplifying circuits, the default power protection that reaches of temperature start to control signal generating circuit and regularly start to control the signal generating circuit three-phase shared.
Claims (2)
1, a kind of variable time constant-temperature AC voltage/current transformation power supply comprises auxiliary power circuit, it is characterized in that: also comprise triode regulating circuit (T
A), transformer (B
A), load circuit (Z
A), single-pole double-throw switch (SPDT) (K
A1, K
A2), the default and power protection of sensing voltage sample of signal amplifying circuit, temperature starts to control signal generating circuit, regularly starts to control signal generating circuit and signal control circuit, wherein triode regulating circuit (T
A) by fuse (BX
A), triode (GTR
A1, GTR
A2, BG
A1, BG
A2, BG
A3), diode (D
A1-D
A10) adjustable resistance (W
A1--W
A4), resistance (R
A1-R
A4), electric capacity (C
A1--C
A3) and other element form triode (GTR
A1) collector electrode and fuse (BX
A) connecing the end of civil power 220V after the series connection, emitter meets diode (D
A3) anode and diode (D
A5) common port of anode, diode (D
A3) negative electrode meets diode (D
A1) anode, diode (D
A2) anode and diode (D
A4) common port of negative electrode, diode (D
A4) anode meets triode (GTR
A2) emitter and diode (D
A6) common port of anode, triode (GTR
A1) base stage meets triode (BG
A1) emitter, triode (GTR
A2) base stage meets triode (BG
A2) emitter, resistance (R
A1) is connected in parallel on triode (GTR
A1) collector electrode and triode (BG
A1) between the collector electrode, resistance (R
A2) be connected in parallel on triode (GTR
A2) collector electrode and triode (BG
A2) between the collector electrode, diode (D
A1) negative electrode and diode (D
A5) the public termination triode (GTR of negative electrode
A1) collector electrode, diode (D
A2) negative electrode and diode (D
A6) the public termination triode (GTR of negative electrode
A2) collector electrode, triode (BG
A1) base stage and triode (BG
A2) base stage all meets diode (D
A8) negative electrode, diode (D
A8) anode and resistance (R
A3) meet triode (BG after the series connection
A3) emitter, triode (BG
A3) base stage and resistance (R
A4), adjustable resistance (W
A3), (W
A4) meet diode (D after the series connection successively
A9) negative electrode, diode (D
A9) anode meets triode (GTR
A1) collector electrode, diode (D
A7) with diode (D
A8) reverse parallel connection, electric capacity (C
A3) be connected in parallel on diode (D
A8) anode and triode (BG
A3) collector electrode, diode (D
A9) negative electrode and diode (D
A10) between the common port of negative electrode, diode (D
A10) anode meets triode (GTR
A2) collector electrode, electric capacity (C
A1) is connected in parallel on triode (GTR
A1) between the collector electrode and ground, electric capacity (C
A2) be connected in parallel on triode (GTR
A2) between the collector electrode and ground, adjustable resistance (W
A1, W
A2) be connected in parallel on diode (D after the series connection successively
A1) anode and triode (BG
A3) between the base stage;
Single-pole double-throw switch (SPDT) (K
A1) middle end points (E
A1) meets triode (GTR
A2) collector electrode, an end points (P
A1) short circuit single-pole double-throw switch (SPDT) (K
A2) an end points (P
A2), another end points (Q
A1) with transformer (B
A) primary coil series connection back ground connection, single-pole double-throw switch (SPDT) (K
A2) another end points (Q
A2) with transformer (B
A) secondary side coil series connection back ground connection, middle end points (E
A2) with load circuit (Z
A) series connection back ground connection, end points (P
A1, P
A2) short circuit;
Sensing voltage sample of signal amplifying circuit is by four end sensors (CHGQ1), field effect transistor (NMOS1), integrated circuit (IC2), (IC3), adjustable resistance (W1), (W2), resistance (R1-R5), (R7-R9), switch (K1) and other element are formed, power supply termination+12V voltage of four end sensor CHGQ1, earth terminal ground connection, the control utmost point of positive output termination field effect transistor (NMOS1), the common port of the source electrode of negative output termination field effect transistor (NMOS1) and the end points Q1 of K switch 1, resistance R 1 is connected in parallel on+common port of the drain electrode of 12V voltage and field effect transistor (NMOS1) and the end points (P1) of switch (K1) between, the middle end points (E1) of switch (K1) connects the positive input terminal of integrated circuit (IC2), resistance (R2) is connected in parallel between the source electrode and ground of field effect transistor (NMOS), one termination of resistance (R3)+12V voltage, the other end successively with resistance (R4), adjustable resistance (W1) series connection back ground connection, the negative input end connecting resistance (R3) of integrated circuit (IC2), (R4) public connecting end, power end with connect+12V voltage after resistance (R5) is connected, earth terminal ground connection, the negative input end and the photoelectrical coupler (TDL of the output termination integrated circuit (IC3) of integrated circuit (IC2)
AThe common port of the anode of photodiode 1), one termination of resistance (R7)+12V voltage, ground connection after the other end is connected with resistance (R8), adjustable resistance (W2) successively, the public connecting end of the positive input terminal connecting resistance of integrated circuit (IC3) (R7, R8), the power end of integrated circuit (IC3) with connect+12V voltage after resistance (R9) is connected, earth terminal ground connection, the output termination photoelectrical coupler (TDL of integrated circuit (IC2)
AThe anode of photodiode 2);
The default power protection that reaches of temperature starts to control signal generating circuit by four end sensors (CHGQ2); field effect transistor (NMOS2); triode (BG1); diode (D6); loud speaker SPK; adjustable resistance (W3; W4); resistance (R11-R14) and other element are formed; the power end of four end sensor CHGQ2 and adjustable resistance (W4); resistance (R11) connects+12V voltage after connecting successively; earth terminal ground connection; the control utmost point of positive output termination field effect transistor (NMOS2); the common port of the source electrode of negative output termination field effect transistor (NMOS2) and diode (D6) anode; the negative electrode of diode (D6) connects the intermediate contact of adjustable resistance (W3), and the drain electrode of field effect transistor (NMOS2) meets photoelectrical coupler (TDL
AThe negative electrode of photodiode 3), the common port of the base stage of the anode of photodiode and triode (BG1) with connect+12V voltage after resistance (R13) is connected, one end of one end of resistance (R12) and resistance (R14) all connects+12V voltage, ground connection after the other end of resistance (R12) is connected with adjustable resistance (W3), the emitter of another termination triode (BG1) of resistance (R14), ground connection after the anode of the collector electrode sending and receiving optical diode (LED) of triode (BG1), the negative electrode of light-emitting diode (LED) are connected with loud speaker (SPK);
Regularly start to control signal generating circuit by time-base integrated circuit (IC4), integrated circuit (IC5), diode (D7-D9), adjustable resistance (W5-W7), resistance (R15-R19), polar capacitor (C3-C5), (C7), single pole multiple throw (K2) and other element are formed, reset terminal 4 pin of time-base integrated circuit (IC4), power end 8 pin all connect+12V voltage, earth terminal 1 pin ground connection, ground connection after control voltage end 5 pin are connected with capacitor C 6, one termination of resistance (R15)+12V voltage, discharge end 7 pin of another termination time-base integrated circuit (IC4), the common port of the anode of diode (D7) and resistance (R16) end, the negative electrode of diode (D7) and low triggering end 2 pin that connect time-base integrated circuit (IC4) after adjustable resistance (W5) is connected, the common port of high-triggering end 6 pin and diode (D8) anode, the other end of the negative electrode connecting resistance (R16) of diode (D8), the stiff end (E2) of the slip termination switch (K2) of adjustable resistance (W5), polar capacitor (C3, C4, sliding end (the P2 of a termination switch (K2) C5), P3, P4), polar capacitor (C3, C4, C5) the equal ground connection of the other end, output 3 pin of time-base integrated circuit (IC4) connect the anode of diode D9, the negative electrode of diode (D9) connects the common port of polar capacitor (C7) positive pole and integrated circuit (IC5) positive input terminal, the minus earth of polar capacitor (C7), adjustable resistance (W6) is connected in parallel on the two ends of polar capacitor (C7), ground connection after the negative input end of integrated circuit (IC5) is connected with adjustable resistance (W7), resistance (R18) is connected in parallel on+negative input end of 12V voltage and integrated circuit (IC5) between, the power end of integrated circuit (IC5) with connect+12V voltage after resistance (R17) is connected, earth terminal ground connection, output termination photoelectrical coupler (TDL
AThe anode of photodiode 4);
Signal control circuit is by four photoelectrical coupler (TDL
A1-TDL
A4), resistance (R6, R10, R19) is formed photoelectrical coupler (TDL
AThe anode of photodiode 1) connects the output of integrated circuit (IC2), ground connection after negative electrode is connected with resistance (R6), and the emitter of phototriode meets adjustable resistance (W
A1, W
A2) common port, collector connecting transistor (BG
A3) base stage, photoelectrical coupler (TDL
AThe anode of photodiode 2) connects the output of integrated circuit (IC3), ground connection after negative electrode is connected with resistance (R10), the emitter connecting resistance (R of phototriode
A4), adjustable resistance (W
A3) common port, collector electrode meet adjustable resistance (W
A3, W
A4) common port, photoelectrical coupler (TDL
AThe anode of photodiode 3) connects the base stage of triode (BG1) and the common port of resistance (R13), and negative electrode connects the drain electrode of field effect transistor (NMOS2), photoelectrical coupler (TDL
AThe anode of photodiode 4) connects the output of integrated circuit (IC4), ground connection after negative electrode is connected with resistance (R19), photoelectrical coupler (TDL
AThe emitter of phototriode 3) and photoelectrical coupler (TDL
AThe emitter of phototriode 4) all meets diode (D
A1) anode, collector electrode all meet diode (D
A8) negative electrode;
Four end sensor (CHGQ1, CHGQ2) by triode (BG2, BG3), voltage stabilizing didoe (ZW1), adjustable resistance (W8), (W9), resistance (R20-R23) is formed, adjustable resistance (W8), resistance (R22), (R23) a end is power end, the collector electrode of another termination triode (BG3) of adjustable resistance (W8), the emitter of triode (BG2) connects the base stage of triode (BG3), collector electrode with connect triode (BG3) collector electrode after resistance (R21) is connected, resistance (R20) is connected between the base stage of triode (BG3) collector electrode and triode (BG2), the emitter of triode (BG3) connects the common port of voltage stabilizing didoe (ZW1) negative electrode and resistance (R22) other end, the plus earth of voltage stabilizing two utmost points (ZW1), ground connection after the other end of resistance (R23) is connected with adjustable resistance (W9), the current collection of triode (BG3) is positive output end very, and resistance (R23) is negative output terminal with the public connecting end of adjustable resistance (W9).
2, variable time constant-temperature AC voltage/current transformation power supply as claimed in claim 1 is characterized in that: triode regulating circuit (T
B, T
C) element and structure and (T
A) element and structure identical, the single-pole double-throw switch (SPDT) (K of B phase
B1, K
B2), transformer (B
B) load circuit (Z
B) element and the single-pole double-throw switch (SPDT) (K of structure, C phase
C1, K
C2), transformer (B
C), load circuit (Z
C) element and structure and A single-pole double-throw switch (SPDT) (K mutually
A1, K
A2), transformer (B
A), load circuit (Z
A) element and structure identical; Regulate triode regulating circuit (T
B, T
C) element and the structure and the (T of signal control circuit of output voltage
A) the element and the structure of signal control circuit identical.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101124303A CN100536304C (en) | 2005-12-27 | 2005-12-27 | Variable time constant-temperature AC voltage/current transformation power supply |
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101124303A CN100536304C (en) | 2005-12-27 | 2005-12-27 | Variable time constant-temperature AC voltage/current transformation power supply |
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CN1808872A true CN1808872A (en) | 2006-07-26 |
CN100536304C CN100536304C (en) | 2009-09-02 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104913509A (en) * | 2015-06-11 | 2015-09-16 | 章祖文 | Method for manufacturing temperature-adjustable timed tap hot-water steam device |
CN109309490A (en) * | 2018-12-04 | 2019-02-05 | 苏州东剑智能科技有限公司 | Key circuit |
-
2005
- 2005-12-27 CN CNB2005101124303A patent/CN100536304C/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104913509A (en) * | 2015-06-11 | 2015-09-16 | 章祖文 | Method for manufacturing temperature-adjustable timed tap hot-water steam device |
CN104913509B (en) * | 2015-06-11 | 2020-07-07 | 章祖文 | Method for manufacturing temperature-adjustable timing running hot water steam device |
CN109309490A (en) * | 2018-12-04 | 2019-02-05 | 苏州东剑智能科技有限公司 | Key circuit |
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