CN104917507A - Touching-type water saving device based on constant current circuit - Google Patents
Touching-type water saving device based on constant current circuit Download PDFInfo
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Abstract
The invention discloses a touching-type water saving device based on a constant current circuit, comprising a tap (1), a sensor, a relay K1, a relay K2, a controller circuit, a solenoid valve (2) arranged on a tap (1) pipeline, a touch switch-on contact (3) and a touch switch-off contact (4) which are arranged on two sides of the tap and are connected to the control circuit, a voltage transformation circuit which is connected to the solenoid valve (2) and the control circuit and an power amplification circuit which is in serially connected to between the control circuit and the relay K2. The relay K1 is serially connected to between the control circuit and the power amplification circuit, the voltage transformation circuit is connected to the power amplification circuit, and the sensor is serially connected to between the control circuit and the power amplification circuit. The touching-type water saving device based on the constant current circuit is characterized in that a constant current circuit is serially connected between the voltage transformation circuit and the power amplification circuit. The touching-type water saving device based on a constant current circuit can secure the constant working current when the fluctuation happens in the power grid and can prevent the damage caused by the large current.
Description
Technical field
The present invention relates to a kind of energy-saving appliance, specifically refer to a kind of water-saving touch-type device based on constant-current circuit.
Background technology
At present, saving water source (being called for short " water saving ") has become the topics common that people pay special attention to.Need in such as public toilet etc. all to post water saving publicity language through the place of conventional water.In order to realize the object of economizing on water, the tap of present a lot of public occasion has all changed the tap of induction type into, i.e. transducer tap.But people can find in use, when fluctuation appears in electrical network, the control system of transducer tap is easily affected, and even occurs the existing picture damaged.
Summary of the invention
The object of the invention is to overcome current inductive water tap easy affected defect when fluctuation appears in electrical network, provide a kind of structure simple, effectively can overcome the water-saving touch-type device based on constant-current circuit of above-mentioned defect.
Object of the present invention is achieved through the following technical solutions: based on the water-saving touch-type device of constant-current circuit, it comprises tap, transducer, relay K 1, relay K 2, control circuit, be arranged on the electromagnetically operated valve on faucet conduit, be arranged on tap both sides and the touch be connected with control circuit is opened contact and touched and close contact, while the transforming circuit that is connected with control circuit with electromagnetically operated valve, be serially connected in the power amplification circuit between control circuit and relay K 2; Described relay K 1 is serially connected between control circuit and power amplification circuit, described transforming circuit is also connected with this power amplification circuit, transducer is then serially connected between control circuit and this power amplification circuit, in order to reach object of the present invention, the present invention is also serially connected with constant-current circuit between transforming circuit and power amplification circuit.
Further, described Constant Electric Current routing amplifier P4, amplifier P5, field effect transistor MOS1, field effect transistor MOS2, field effect transistor MOS3, triode Q6, triode Q7, one end is connected with the drain electrode of field effect transistor MOS1, the resistance R16 of other end ground connection, P pole is connected with the source electrode of field effect transistor MOS1, N pole is then in turn through diode D5 that resistance R15 is connected with the drain electrode of field effect transistor MOS2 after resistance R17, positive pole is connected with the tie point of resistance R17 with resistance R15, the polar capacitor C7 of minus earth, one end is connected with the positive pole of polar capacitor C7, the resistance R18 that the other end is then connected with the drain electrode of field effect transistor MOS3, positive pole is connected with the P pole of diode D5, the polar capacitor C8 that negative pole is then connected with the base stage of triode Q7, and one end is connected with the collector electrode of triode Q7, the resistance R19 of other end ground connection forms, the grid of described field effect transistor MOS1 is connected with transforming circuit, its source electrode is then connected with the positive pole of amplifier P4, the negative pole of amplifier P4 is connected with the drain electrode of field effect transistor MOS2, its positive pole is then connected with the positive pole of amplifier P5, its output is then connected with the grid of field effect transistor MOS2, the base stage of described triode Q6 is respectively with the source electrode of field effect transistor MOS2 and the emitter of triode Q7 is connected, its emitter is then connected with the source electrode of field effect transistor MOS3, its grounded collector, the described output of amplifier P5 is connected with the grid of field effect transistor MOS3, its negative pole is then connected with the drain electrode of field effect transistor MOS3 and power amplification circuit respectively.
Described power amplification circuit by logical power amplifying circuit, the logic switching circuit be connected with this logical power amplifying circuit, and the switch power amplifying circuit be connected with logic switching circuit forms.
Wherein, this logical power amplifying circuit is by power amplifier P1, NAND gate IC1, NAND gate IC2, P pole is connected with the output of power amplifier P1, the diode D3 that N pole is connected with second input of NAND gate IC1 after resistance R3, one end is connected with the first input end of NAND gate IC1, the resistance R4 that the other end is connected with the output of NAND gate IC2 after electric capacity C2, one end is connected with the output of NAND gate IC1, the resistance R5 that the other end is connected with the tie point of electric capacity C2 with resistance 4, and one end is connected with the end of oppisite phase of power amplifier P1, the resistance R2 of other end ground connection forms, the in-phase end of described power amplifier P1 is connected with the negative pole of amplifier P5 with the output of relay K 1 respectively, the output of NAND gate IC2 is then connected with logic switching circuit, the output of NAND gate IC1 is connected with the first input end of NAND gate IC2, second input of NAND gate IC2 is then connected with the output of transducer, and the input of this transducer is then connected with control circuit.
Described switch power amplifying circuit is by power amplifier P2, power amplifier P3, be serially connected in the resistance R12 between the output of power amplifier P2 and end of oppisite phase and electric capacity C3, base stage is connected with the output of power amplifier P2, the triode Q3 that collector electrode is connected with the in-phase end of power amplifier P3 after resistance R13, base stage is connected with the emitter of triode Q3, the triode Q4 that collector electrode is connected with the end of oppisite phase of power amplifier P3 after resistance R14, positive pole is connected with the end of oppisite phase of power amplifier P3, and negative pole is connected with the emitter of triode Q4 and the electric capacity C6 of ground connection, and N pole is connected with the collector electrode of triode Q3, the diode D4 of the extremely external-4V voltage of P forms, the in-phase end of described power amplifier P2 is connected with transforming circuit, and the base stage of triode Q4 is also connected with logic switching circuit, and described relay K 2 is serially connected between the output of power amplifier P3 and the emitter of triode Q4.
Described logic switching circuit is by NAND gate IC3, NAND gate IC4, triode Q5, one end is connected with the output of NAND gate IC3, the resistance R6 that the other end is connected with the collector electrode of triode Q5 after resistance R11, one end is connected with the output of NAND gate IC4, the resistance R7 that the other end is connected with the base stage of triode Q5 after resistance R8, the electric capacity C5 be in parallel with resistance R8, one end is connected with the base stage of triode Q5, the resistance R9 of the external-4V voltage of the other end, one end is connected with the emitter of triode Q5, the resistance R10 of the external-4V voltage of the other end, and form with the electric capacity C4 that resistance R10 is in parallel, the output of described NAND gate IC2 is then connected with second input of NAND gate IC4 with the first input end of NAND gate IC3 respectively, and second input of NAND gate IC3 is connected with the first input end of NAND gate IC4, the base stage of described triode Q4 is then connected with the tie point of resistance R11 with resistance R6.
Described transforming circuit, by transformer T, is arranged on the normally opened contact K1K of the relay K 1 of the primary coil side of transformer T, the normally-closed contact K2B of relay K 2, and is arranged on diode D1, the diode D2 of secondary coil side of transformer T and electric capacity C1 forms; Wherein, one end of normally opened contact K1K is connected with the Same Name of Ends of the primary coil of transformer T, its other end is then connected with a control end of electromagnetically operated valve (2) after normally-closed contact K2B, and the non-same polarity of primary coil is then connected with another control end of electromagnetically operated valve (2); The P pole of described diode D1 is connected with the non-same polarity of the secondary coil of transformer T, the P pole of diode D2 is connected with the Same Name of Ends of the secondary coil of transformer T, diode D1 is then all connected with the positive pole of electric capacity C1 with the N pole of diode D2, the tap of transformer T is then connected with the grid of field effect transistor MOS1, between the positive pole that described control circuit is then serially connected in electric capacity C1 and negative pole.
Described control circuit by triode Q1, triode Q2, power switch circuit A, and resistance R1 forms; 1st pin of described power switch circuit A is connected with the positive pole of electric capacity C1, and its 4th pin is connected with the negative pole of electric capacity C1; The input of relay K 1 is connected with the 2nd pin of power switch circuit A, and its output is connected with the in-phase end of power amplifier P1 with the negative pole of electric capacity C1 simultaneously; Base stage and the touch of triode Q1 are opened contact (3) and are connected, and its collector electrode is connected with the positive pole of electric capacity C1, and its emitter is then connected with the control end of power switch circuit A; The base stage of triode Q2 is closed contact (4) with touch and is connected, and its collector electrode is connected with the emitter of triode Q1, and its emitter is then connected with the negative pole of electric capacity C1; Resistance R1 is then serially connected between the emitter of triode Q1 and the 2nd pin of power switch circuit A; The input of described transducer is then connected with the emitter of triode Q1.
The present invention comparatively prior art compares, and has the following advantages and beneficial effect:
(1) overall structure of the present invention is comparatively simple, and it makes and very easy to use.
(2) the present invention adopts touch to open contact and touches and closes contact to gather user's touch information, and through the opening and closing of control circuit and transforming circuit process Controlling solenoid valve afterwards, and then realizing the opening and closing function of tap, its sensitivity is very high, and stability is very strong.
(3) each electronic component of the present invention after packaging, not only has electricity-preventing function, and its small volume, is convenient to collection and arranges.Meanwhile, electromagnetically operated valve belongs to conventional components, and therefore it is changed and safeguards also very convenient.
(4) the present invention also carrys out unlatching and the shutoff of Controlling solenoid valve by transducer, for control circuit does further auxiliary, with guarantee user can forget after with water touch close contact after can shut electromagnetic valve timely, to save water source.
(5) the present invention can guarantee to have constant operating current when fluctuation appears in electrical network, prevents the present invention from causing damage because electric current is excessive or too small.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is constant current circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, the present invention is by tap, transducer, relay K 1, relay K 2, control circuit, be arranged on the electromagnetically operated valve on faucet conduit, be arranged on tap both sides and the touch be connected with control circuit is opened contact and touched and close contact, while the transforming circuit that is connected with control circuit with electromagnetically operated valve, the power amplification circuit be serially connected between control circuit and relay K 2 forms.Described relay K 1 is serially connected between control circuit and power amplification circuit, described transforming circuit is also connected with this power amplification circuit, transducer is then serially connected between control circuit and this power amplification circuit, in order to reach object of the present invention, the present invention is also serially connected with constant-current circuit between transforming circuit and power amplification circuit.
Described constant-current circuit is core point of the present invention, as shown in Figure 2, it is by amplifier P4, amplifier P5, field effect transistor MOS1, field effect transistor MOS2, field effect transistor MOS3, triode Q6, triode Q7, one end is connected with the drain electrode of field effect transistor MOS1, the resistance R16 of other end ground connection, P pole is connected with the source electrode of field effect transistor MOS1, N pole is then in turn through diode D5 that resistance R15 is connected with the drain electrode of field effect transistor MOS2 after resistance R17, positive pole is connected with the tie point of resistance R17 with resistance R15, the polar capacitor C7 of minus earth, one end is connected with the positive pole of polar capacitor C7, the resistance R18 that the other end is then connected with the drain electrode of field effect transistor MOS3, positive pole is connected with the P pole of diode D5, the polar capacitor C8 that negative pole is then connected with the base stage of triode Q7, and one end is connected with the collector electrode of triode Q7, the resistance R19 of other end ground connection forms.The grid of described field effect transistor MOS1 is connected with transforming circuit, its source electrode is then connected with the positive pole of amplifier P4.The negative pole of amplifier P4 is connected with the drain electrode of field effect transistor MOS2, its positive pole is then connected with the positive pole of amplifier P5, its output is then connected with the grid of field effect transistor MOS2.The base stage of described triode Q6 is respectively with the source electrode of field effect transistor MOS2 and the emitter of triode Q7 is connected, its emitter is then connected with the source electrode of field effect transistor MOS3, its grounded collector.The described output of amplifier P5 is connected with the grid of field effect transistor MOS3, its negative pole is then connected with the drain electrode of field effect transistor MOS3 and power amplification circuit respectively.
Wherein, amplifier P4, amplifier P5, field effect transistor MOS2 and field effect transistor MOS3 form a galvanostat.And the resistance of resistance R17 and resistance R18 is set to equal, the present embodiment is set to 1K Ω, therefore its to be input to the electric current of field effect transistor MOS2 and field effect transistor MOS3 equal.Meanwhile, due to the effect of field effect transistor MOS1, the voltage being input to triode Q7 is made to become stable.In addition, because the emitter of triode Q7 and triode Q6 exports Low ESR, therefore galvanostat is not by the impact of power network fluctuation, thus can export constant electric current.
Described power amplification circuit by logical power amplifying circuit, the logic switching circuit be connected with this logical power amplifying circuit, and the switch power amplifying circuit be connected with logic switching circuit forms.
Wherein, this logical power amplifying circuit is by power amplifier P1, NAND gate IC1, NAND gate IC2, P pole is connected with the output of power amplifier P1, the diode D3 that N pole is connected with second input of NAND gate IC1 after resistance R3, one end is connected with the first input end of NAND gate IC1, the resistance R4 that the other end is connected with the output of NAND gate IC2 after electric capacity C2, one end is connected with the output of NAND gate IC1, the resistance R5 that the other end is connected with the tie point of electric capacity C2 with resistance 4, and one end is connected with the end of oppisite phase of power amplifier P1, the resistance R2 of other end ground connection forms, the in-phase end of described power amplifier P1 is connected with the negative pole of amplifier P5 with the output of relay K 1 respectively, the output of NAND gate IC2 is then connected with logic switching circuit, the output of NAND gate IC1 is connected with the first input end of NAND gate IC2, second input of NAND gate IC2 is then connected with the output of transducer, and the input of this transducer is then connected with control circuit.
Described switch power amplifying circuit is by power amplifier P2, power amplifier P3, be serially connected in the resistance R12 between the output of power amplifier P2 and end of oppisite phase and electric capacity C3, base stage is connected with the output of power amplifier P2, the triode Q3 that collector electrode is connected with the in-phase end of power amplifier P3 after resistance R13, base stage is connected with the emitter of triode Q3, the triode Q4 that collector electrode is connected with the end of oppisite phase of power amplifier P3 after resistance R14, positive pole is connected with the end of oppisite phase of power amplifier P3, and negative pole is connected with the emitter of triode Q4 and the electric capacity C6 of ground connection, and N pole is connected with the collector electrode of triode Q3, the diode D4 of the extremely external-4V voltage of P forms.
During connection, the in-phase end of described power amplifier P2 is connected with transforming circuit, and the base stage of triode Q4 is also connected with logic switching circuit, and described relay K 2 is serially connected between the output of power amplifier P3 and the emitter of triode Q4.
Described logic switching circuit is by NAND gate IC3, NAND gate IC4, triode Q5, one end is connected with the output of NAND gate IC3, the resistance R6 that the other end is connected with the collector electrode of triode Q5 after resistance R11, one end is connected with the output of NAND gate IC4, the resistance R7 that the other end is connected with the base stage of triode Q5 after resistance R8, the electric capacity C5 be in parallel with resistance R8, one end is connected with the base stage of triode Q5, the resistance R9 of the external-4V voltage of the other end, one end is connected with the emitter of triode Q5, the resistance R10 of the external-4V voltage of the other end, and form with the electric capacity C4 that resistance R10 is in parallel.During connection, the output of described NAND gate IC2 is then connected with second input of NAND gate IC4 with the first input end of NAND gate IC3 respectively, and second input of NAND gate IC3 is connected with the first input end of NAND gate IC4; The base stage of described triode Q4 is then connected with the tie point of resistance R11 with resistance R6.
Transforming circuit is transforming portion of the present invention, it is by transformer T, be arranged on the normally opened contact K1K of the relay K 1 of transformer T primary coil side, the normally-closed contact K2B of relay K 2, and be arranged on diode D1, the diode D2 of transformer T secondary coil side and electric capacity C1 forms.
Wherein, one end of normally opened contact K1K is connected with the Same Name of Ends of the primary coil of transformer T, its other end is then connected with electromagnetically operated valve 2 control end after normally-closed contact K2B, and the non-same polarity of primary coil is then connected with another control end of electromagnetically operated valve 2.The P pole of described diode D1 is connected with the non-same polarity of the secondary coil of transformer T, the P pole of diode D2 is connected with the Same Name of Ends of the secondary coil of transformer T, diode D1 is then all connected with the positive pole of electric capacity C1 with the N pole of diode D2, the tap of transformer T is then connected with the grid of field effect transistor MOS1, between the positive pole that described control circuit is then serially connected in electric capacity C1 and negative pole.
Described control circuit then by triode Q1, triode Q2, power switch circuit A, and resistance R1 forms.During connection, the 1st pin of described power switch circuit A is connected with the positive pole of electric capacity C1, and its 4th pin is connected with the negative pole of electric capacity C1.The input of relay K 1 is connected with the 2nd pin of power switch circuit A, and its output is connected with the in-phase end of power amplifier P1 with the negative pole of electric capacity C1 simultaneously.
Base stage and the touch of triode Q1 are opened contact 3 and are connected, and its collector electrode is connected with the positive pole of electric capacity C1, and its emitter is then connected with the control end of power switch circuit A.The base stage of triode Q2 is closed contact 4 with touch and is connected, and its collector electrode is connected with the emitter of triode Q1, and its emitter is then connected with the negative pole of electric capacity C1.Resistance R1 is then serially connected between the emitter of triode Q1 and the 2nd pin of power switch circuit A, and the input of described transducer is then connected with the emitter of triode Q1.
During work, when contact 3 is opened in human body touch touch, triode Q1 conducting, relay K 1 is obtained electric, its normally opened contact K1K closes, and at this moment tap is then opened.When human body touch touch close contact 4 time, triode Q2 then conducting, at this moment relay K 2 electric, its normally-closed contact K2B then disconnects, thus then closed tap.
As mentioned above, just the present invention can well be realized.
Claims (6)
1. based on the water-saving touch-type device of constant-current circuit, by tap (1), transducer, relay K 1, relay K 2, control circuit, be arranged on the electromagnetically operated valve (2) on tap (1) pipeline, be arranged on tap (1) both sides and the touch be connected with control circuit is opened contact (3) and touched and closes contact (4), and the transforming circuit be simultaneously connected with control circuit with electromagnetically operated valve (2), be serially connected in the power amplification circuit between control circuit and relay K 2, described relay K 1 is serially connected between control circuit and power amplification circuit, and described transforming circuit is also connected with this power amplification circuit, and transducer is then serially connected between control circuit and this power amplification circuit, it is characterized in that: between transforming circuit and power amplification circuit, be also serially connected with constant-current circuit, described Constant Electric Current routing amplifier P4, amplifier P5, field effect transistor MOS1, field effect transistor MOS2, field effect transistor MOS3, triode Q6, triode Q7, one end is connected with the drain electrode of field effect transistor MOS1, the resistance R16 of other end ground connection, P pole is connected with the source electrode of field effect transistor MOS1, N pole is then in turn through diode D5 that resistance R15 is connected with the drain electrode of field effect transistor MOS2 after resistance R17, positive pole is connected with the tie point of resistance R17 with resistance R15, the polar capacitor C7 of minus earth, one end is connected with the positive pole of polar capacitor C7, the resistance R18 that the other end is then connected with the drain electrode of field effect transistor MOS3, positive pole is connected with the P pole of diode D5, the polar capacitor C8 that negative pole is then connected with the base stage of triode Q7, and one end is connected with the collector electrode of triode Q7, the resistance R19 of other end ground connection forms, the grid of described field effect transistor MOS1 is connected with transforming circuit, its source electrode is then connected with the positive pole of amplifier P4, the negative pole of amplifier P4 is connected with the drain electrode of field effect transistor MOS2, its positive pole is then connected with the positive pole of amplifier P5, its output is then connected with the grid of field effect transistor MOS2, the base stage of described triode Q6 is respectively with the source electrode of field effect transistor MOS2 and the emitter of triode Q7 is connected, its emitter is then connected with the source electrode of field effect transistor MOS3, its grounded collector, the described output of amplifier P5 is connected with the grid of field effect transistor MOS3, its negative pole is then connected with the drain electrode of field effect transistor MOS3 and power amplification circuit respectively.
2. the water-saving touch-type device based on constant-current circuit according to claim 1, it is characterized in that, described power amplification circuit is by logical power amplifying circuit, the logic switching circuit be connected with this logical power amplifying circuit, and the switch power amplifying circuit be connected with logic switching circuit forms;
Wherein, this logical power amplifying circuit is by power amplifier P1, NAND gate IC1, NAND gate IC2, P pole is connected with the output of power amplifier P1, the diode D3 that N pole is connected with second input of NAND gate IC1 after resistance R3, one end is connected with the first input end of NAND gate IC1, the resistance R4 that the other end is connected with the output of NAND gate IC2 after electric capacity C2, one end is connected with the output of NAND gate IC1, the resistance R5 that the other end is connected with the tie point of electric capacity C2 with resistance 4, and one end is connected with the end of oppisite phase of power amplifier P1, the resistance R2 of other end ground connection forms, the in-phase end of described power amplifier P1 is connected with the negative pole of amplifier P5 with the output of relay K 1 respectively, the output of NAND gate IC2 is then connected with logic switching circuit, the output of NAND gate IC1 is connected with the first input end of NAND gate IC2, second input of NAND gate IC2 is then connected with the output of transducer, and the input of this transducer is then connected with control circuit.
3. the water-saving touch-type device based on constant-current circuit according to claim 2, it is characterized in that, described switch power amplifying circuit is by power amplifier P2, power amplifier P3, be serially connected in the resistance R12 between the output of power amplifier P2 and end of oppisite phase and electric capacity C3, base stage is connected with the output of power amplifier P2, the triode Q3 that collector electrode is connected with the in-phase end of power amplifier P3 after resistance R13, base stage is connected with the emitter of triode Q3, the triode Q4 that collector electrode is connected with the end of oppisite phase of power amplifier P3 after resistance R14, positive pole is connected with the end of oppisite phase of power amplifier P3, and negative pole is connected with the emitter of triode Q4 and the electric capacity C6 of ground connection, and N pole is connected with the collector electrode of triode Q3, the diode D4 of the extremely external-4V voltage of P forms, the in-phase end of described power amplifier P2 is connected with transforming circuit, and the base stage of triode Q4 is also connected with logic switching circuit, and described relay K 2 is serially connected between the output of power amplifier P3 and the emitter of triode Q4.
4. the water-saving touch-type device based on constant-current circuit according to claim 3, it is characterized in that, described logic switching circuit is by NAND gate IC3, NAND gate IC4, triode Q5, one end is connected with the output of NAND gate IC3, the resistance R6 that the other end is connected with the collector electrode of triode Q5 after resistance R11, one end is connected with the output of NAND gate IC4, the resistance R7 that the other end is connected with the base stage of triode Q5 after resistance R8, the electric capacity C5 be in parallel with resistance R8, one end is connected with the base stage of triode Q5, the resistance R9 of the external-4V voltage of the other end, one end is connected with the emitter of triode Q5, the resistance R10 of the external-4V voltage of the other end, and form with the electric capacity C4 that resistance R10 is in parallel, the output of described NAND gate IC2 is then connected with second input of NAND gate IC4 with the first input end of NAND gate IC3 respectively, and second input of NAND gate IC3 is connected with the first input end of NAND gate IC4, the base stage of described triode Q4 is then connected with the tie point of resistance R11 with resistance R6.
5. the water-saving touch-type device based on constant-current circuit according to claim 4, it is characterized in that, described transforming circuit is by transformer T, be arranged on the normally opened contact K1K of the relay K 1 of the primary coil side of transformer T, the normally-closed contact K2B of relay K 2, and be arranged on diode D1, the diode D2 of secondary coil side of transformer T and electric capacity C1 forms; Wherein, one end of normally opened contact K1K is connected with the Same Name of Ends of the primary coil of transformer T, its other end is then connected with a control end of electromagnetically operated valve (2) after normally-closed contact K2B, and the non-same polarity of primary coil is then connected with another control end of electromagnetically operated valve (2); The P pole of described diode D1 is connected with the non-same polarity of the secondary coil of transformer T, the P pole of diode D2 is connected with the Same Name of Ends of the secondary coil of transformer T, diode D1 is then all connected with the positive pole of electric capacity C1 with the N pole of diode D2, the tap of transformer T is then connected with the grid of field effect transistor MOS1, between the positive pole that described control circuit is then serially connected in electric capacity C1 and negative pole.
6. the water-saving touch-type device based on constant-current circuit according to claim 5, is characterized in that, described control circuit by triode Q1, triode Q2, power switch circuit A, and resistance R1 forms; 1st pin of described power switch circuit A is connected with the positive pole of electric capacity C1, and its 4th pin is connected with the negative pole of electric capacity C1; The input of relay K 1 is connected with the 2nd pin of power switch circuit A, and its output is connected with the in-phase end of power amplifier P1 with the negative pole of electric capacity C1 simultaneously; Base stage and the touch of triode Q1 are opened contact (3) and are connected, and its collector electrode is connected with the positive pole of electric capacity C1, and its emitter is then connected with the control end of power switch circuit A; The base stage of triode Q2 is closed contact (4) with touch and is connected, and its collector electrode is connected with the emitter of triode Q1, and its emitter is then connected with the negative pole of electric capacity C1; Resistance R1 is then serially connected between the emitter of triode Q1 and the 2nd pin of power switch circuit A; The input of described transducer is then connected with the emitter of triode Q1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292593.8A CN104917507A (en) | 2014-11-23 | 2015-06-01 | Touching-type water saving device based on constant current circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410675399.3A CN104410398A (en) | 2014-11-23 | 2014-11-23 | Touch type water economizer based on power amplifying circuit |
| CN2014106753993 | 2014-11-23 | ||
| CN201510292593.8A CN104917507A (en) | 2014-11-23 | 2015-06-01 | Touching-type water saving device based on constant current circuit |
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| CN104917507A true CN104917507A (en) | 2015-09-16 |
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| CN201410675399.3A Pending CN104410398A (en) | 2014-11-23 | 2014-11-23 | Touch type water economizer based on power amplifying circuit |
| CN201510292593.8A Withdrawn CN104917507A (en) | 2014-11-23 | 2015-06-01 | Touching-type water saving device based on constant current circuit |
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| CN201410675399.3A Pending CN104410398A (en) | 2014-11-23 | 2014-11-23 | Touch type water economizer based on power amplifying circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106286953A (en) * | 2016-09-21 | 2017-01-04 | 常熟纺织机械厂有限公司 | Electromagnetic valve component of electronic jacquard machine constant current source control device |
| CN113074272A (en) * | 2021-04-27 | 2021-07-06 | 华帝股份有限公司 | Control circuit and control method of gas valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410398A (en) * | 2014-11-23 | 2015-03-11 | 成都创图科技有限公司 | Touch type water economizer based on power amplifying circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5008497A (en) * | 1990-03-22 | 1991-04-16 | Asher David J | Touch controller |
| CN104410398A (en) * | 2014-11-23 | 2015-03-11 | 成都创图科技有限公司 | Touch type water economizer based on power amplifying circuit |
| CN204304973U (en) * | 2014-11-23 | 2015-04-29 | 成都创图科技有限公司 | Based on the water-saving touch-type device of power amplification circuit |
-
2014
- 2014-11-23 CN CN201410675399.3A patent/CN104410398A/en active Pending
-
2015
- 2015-06-01 CN CN201510292593.8A patent/CN104917507A/en not_active Withdrawn
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|---|---|---|---|---|
| US5008497A (en) * | 1990-03-22 | 1991-04-16 | Asher David J | Touch controller |
| CN104410398A (en) * | 2014-11-23 | 2015-03-11 | 成都创图科技有限公司 | Touch type water economizer based on power amplifying circuit |
| CN204304973U (en) * | 2014-11-23 | 2015-04-29 | 成都创图科技有限公司 | Based on the water-saving touch-type device of power amplification circuit |
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| 精通维修下载: "恒流源电路的特点与应用", 《HTTP://WWW.GZWEIX.COM/ARTICLE/SORT0250/SORT0251/SORT0288/INFO-293943.HTML》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286953A (en) * | 2016-09-21 | 2017-01-04 | 常熟纺织机械厂有限公司 | Electromagnetic valve component of electronic jacquard machine constant current source control device |
| CN113074272A (en) * | 2021-04-27 | 2021-07-06 | 华帝股份有限公司 | Control circuit and control method of gas valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104410398A (en) | 2015-03-11 |
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