CN107579668A - A kind of ox horn is cramped the control circuit of aperture apparatus - Google Patents
A kind of ox horn is cramped the control circuit of aperture apparatus Download PDFInfo
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- CN107579668A CN107579668A CN201710846210.6A CN201710846210A CN107579668A CN 107579668 A CN107579668 A CN 107579668A CN 201710846210 A CN201710846210 A CN 201710846210A CN 107579668 A CN107579668 A CN 107579668A
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Abstract
A kind of ox horn is cramped the control circuit of aperture apparatus, including power circuit, pierce circuit, drive amplification circuit and power output circuit, and circuit of three-terminal voltage-stabilizing integrated IC and the first bridge rectifier capacitor filter are provided with the power circuit；The power circuit is connected with pierce circuit and drive amplification circuit respectively by circuit of three-terminal voltage-stabilizing integrated IC；The power circuit is connected by the first bridge rectifier capacitor filter with power output circuit；L inductance value or C9 capacitance are adjusted, the frequency of oscillator can be changed, you can realize different work requirements；RP resistance is adjusted, the size of power output can be changed, power output, convenient practicality can be monitored by PA；Perforating device configures this control circuit, you can punching again can depiction, realize multi-functional feature.
Description
Technical field
Field is processed the present invention relates to button, and especially a kind of ox horn is cramped the control circuit of aperture apparatus.
Background technology
Button is exactly to be used for the fastener that the both sides hem are connected on clothes；Button material is roughly divided into plastics (resin, modeling
Material), Metal buttons class (copper, iron, alloy), natural class (shell, wood, coconut husk, bamboo), various materials will make button, work
Skill is all different, not only goodlooking and applied widely for as this kind of button of ox horn button, thus much fashion
Clothes on be equipped with ox horn and buckle, ox horn, which is buckled, can carve various floral designs, thus needs and ox horn button is carved
The device at quarter, conventional carving device are simple engraving, and the effect without punching, simple perforating device is without carving
Function is carved, and, it is necessary to which the employee for having specialty operates, to the frequency of engraving when punching engraving is carried out to ox horn button
There is very big relation with artificial technology, the conventional device to the processing of ox horn button does not have frequency modulation function, the common bad behaviour of employee
Make.
The present invention is exactly for the improvement for solving problem above and carrying out.
The content of the invention
The technical problems to be solved by the invention are that power output can be monitored by PA by providing one kind, easy to adjust,
Can punch but can depiction, realize a kind of multi-functional ox horn and cramp the control circuit of aperture apparatus.
The present invention is that technical scheme is used by solving its technical problem：
A kind of ox horn is cramped the control circuit of aperture apparatus, including power circuit, pierce circuit, drive amplification circuit and work(
Rate output circuit, circuit of three-terminal voltage-stabilizing integrated IC and the first bridge rectifier capacitor filter are provided with the power circuit；
The power circuit is connected with pierce circuit and drive amplification circuit respectively by circuit of three-terminal voltage-stabilizing integrated IC；
The power circuit is connected by the first bridge rectifier capacitor filter with power output circuit；
Further, the first bridge rectifier capacitor filter include commutation diode VD1, commutation diode VD2,
Commutation diode VD3 and commutation diode VD4；
Commutation diode VD1 and commutation diode the VD2 series connection, commutation diode VD3 and commutation diode VD4 strings
Connection, commutation diode VD2 negative pole are grounded after being connected with commutation diode VD3 negative pole, commutation diode VD1 positive pole and whole
Stream diode VD4 positive pole is connected with filter condenser C1 and ammeter PA respectively after being connected；
Further, also include in the power circuit the second bridge rectifier capacitor filter, power switch S,
Power transformer T1, resistance R8, filter condenser C5 and filter condenser C6；
The second bridge rectifier capacitor filter includes commutation diode VD5, commutation diode VD6, the pole of rectification two
Pipe VD7 and commutation diode VD8, commutation diode VD5 and commutation diode the VD6 series connection, commutation diode VD7 and rectification
Diode VD8 is connected, and the negative pole of the commutation diode VD6 is grounded after being connected with commutation diode VD7 negative pole, the pole of rectification two
Pipe VD5 positive pole and commutation diode VD8 positive pole are connected with filter condenser C3 and resistance R8 respectively after being connected；
Positive poles of the circuit of three-terminal voltage-stabilizing integrated IC respectively with resistance R8 and filter condenser C5 is connected；
Be provided with winding W7, winding W8 and winding W9 on the power transformer T1, winding W7 respectively with commutation diode
VD5 negative pole is connected with commutation diode VD8 negative pole, winding the W8 negative pole with commutation diode VD1 and the pole of rectification two respectively
Pipe VD4 negative pole is connected, and the winding W9 connects with power switch S-phase；
Specifically, the pierce circuit includes resistance R9, resistance R11, resistance R12, inductor L, transistor V7, electric capacity
Device C7, capacitor C8 and capacitor C9；
The base stage of the transistor V7 is connected with resistance R9 and resistance R11 respectively, transistor V7 colelctor electrode respectively with electricity
Sensor L is connected with capacitor C7 positive pole, and the negative pole of transistor V7 emitter stage respectively with resistance R12 and capacitor C7 is connected,
The resistance R11 and resistance R12 are connected after being connected with capacitor C8 positive pole, and capacitor C8 negative pole is respectively with transistor V7's
Emitter stage is connected with capacitor C7 negative pole；
The drive amplification circuit include resistance R7, resistance R10, resistance R13, resistance R14, transistor V8, transistor V9,
Capacitor C4, input transformer T2 and rheostat RP；
The base stage of the transistor V8 is connected with resistance R10, transistor V8 colelctor electrode and circuit of three-terminal voltage-stabilizing integrated IC
Be connected, transistor V8 emitter stage is connected by rheostat RP with resistance R13 one end, the resistance R13 other end respectively with electricity
Resistance R14 is connected with transistor V9 base stage；
Base stage of the both ends of the capacitor C4 respectively with rheostat RP and transistor V9 is connected；
Winding W1, winding W2 and winding W3, transistor V9 colelctor electrode and winding are provided with the input transformer T2
W1 is connected, and transistor V9 emitter stage is connected with resistance R7, and the resistance R7 is connected with resistance R13；
The power output circuit includes power amplifier tube V1, power amplifier tube V2, resistance R1, resistance R2, output transformation
Device T3, capacitor C2 and vibration head B, power amplifier tube V1 base stage are connected with winding W2, power amplifier tube V2 base stage with
Winding W3 is connected, and the winding W2 and winding W3 are grounded after being serially connected；
Winding W4, winding W5 and winding W6, transistor V1 emitter stage and resistance are provided with the output transformer T3
R1 is grounded after being connected, and transistor V2 emitter stage is grounded after being connected with resistance R2, and transistor V1 colelctor electrode is connected with winding W4,
Transistor V2 colelctor electrode is connected with winding W5, and the winding W4 and winding W5 are in series；
It is connected after the capacitor C2 and vibration head B parallel connections with winding W6；
The resistance R9 and inductor L are connected after being connected with filter condenser C6 positive pole, the resistance R10 and transistor
V7 emitter stage is connected, and resistance R14 is connected with circuit of three-terminal voltage-stabilizing integrated IC and filter condenser C5 respectively, input transformer T2
Winding W1 positive pole of the one end respectively with resistance R8 and filter condenser C3 be connected, filter condenser C1 passes through PA points of ammeter
Be not connected with exporting transformer T3 winding W4 and winding W5, the positive pole of the capacitor C8 respectively with rheostat RP and resistance
R13 is connected；
Wherein, R1~R6 selects 1W metal film resistor；R7~R13 selects 1/4W metal film resistor.BP is selected
With multi-turn precision potentiator.L uses black and white television set row oscillation coil.C1 is from the aluminium electrolutic capacitor that pressure voltage is 100V；
C2 selects high frequency ceramic capacitor；C3 is from the aluminium electrolutic capacitor that pressure voltage is 50V；C4, C5, C7 and C8 are from only stone electricity
Container；C6 is from the aluminium electrolutic capacitor that pressure voltage is 25V；C9 selects ceramic trimmer capacitor.VD1~VD4 from 6A,
100V silicon rectifier diodes；VD5~VD8 selects 1N4007 type silicon rectifier diodes.V1~V6 selects 2SD1403 or BU508
Type high-frequency high-power silicon NPN transistor；V7 and V8 selects 3DA87 type silicon NPN transistors；V9 selects BU407 type silicon NPN crystal
Pipe.IC selects LM7815 or AN7815 type circuit of three-terminal voltage-stabilizing integrated.PA selects 0~5A ammeter.T1 selects 50W power supply
Transformer；T2 uses E shapes magnetic core and Φ 0.33mm high strength enamelled wire coilings, and W1 is around 250 circles, and W2 and W3 are respectively around 25 circles；T3 makes
Made of small-sized magnetic tank and high strength enamelled wire, W4 and W5 are of Φ 0.47mm enamel-covered wire respectively around 30 circles, and W6 is of Φ 0.33mm's
Enamel-covered wire is around 360 circles.
Operation principle is：Switch on power switch S, and alternating current 220V voltage divides after T1 is depressured on T1 winding W7 and W8
22V voltages Chan Sheng not exchanged and exchange 56V voltages, exchange 22V voltages are after VD5~VD8 rectifications, C3 filtering, all the way through T2's
W1 windings are added on V9 colelctor electrode, and nearly 24V DC voltages are provided for drive amplification circuit：Another way is+15V through IC voltage stabilizings,
As the working power of oscillator, exchange 56V voltages are power output through ammeter PA after VD1~VD4 rectifications and C1 filtering
Circuit provides 60V or so direct-current working volts, oscillatory work after oscillator is powered, and caused oscillator signal amplifies through V8, V9
Afterwards, power output circuit is coupled to by T2, drives transducer after V1~V6 power amplifications, then by T3, convert electrical energy into
For mechanical vibrational energy, vibration head is ground to ox horn button position to be processed, forms grinding out or depiction.
A kind of the cramp beneficial effect of control circuit of aperture apparatus of ox horn of the present invention is：Adjust L inductance value or
C9 capacitance, the frequency of oscillator can be changed, you can realize different work requirements；RP resistance is adjusted, output can be changed
The size of power, power output, convenient practicality can be monitored by PA；Perforating device configures this control circuit, you can punching is again
Can depiction, realize multi-functional feature.
Brief description of the drawings
Fig. 1 is that a kind of ox horn proposed by the present invention is cramped the electric operation control circuit figure of aperture apparatus.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Diagram and specific embodiment are closed, the present invention is expanded on further.
Shown in reference picture 1, a kind of ox horn is cramped the control circuit of aperture apparatus, including power circuit, pierce circuit, drive
Amplifying circuit and power output circuit are moved, circuit of three-terminal voltage-stabilizing integrated IC and the first bridge rectifier are provided with the power circuit
Capacitor filter；
The power circuit is connected with pierce circuit and drive amplification circuit respectively by circuit of three-terminal voltage-stabilizing integrated IC；
The power circuit is connected by the first bridge rectifier capacitor filter with power output circuit；
Further, the first bridge rectifier capacitor filter include commutation diode VD1, commutation diode VD2,
Commutation diode VD3 and commutation diode VD4；
Commutation diode VD1 and commutation diode the VD2 series connection, commutation diode VD3 and commutation diode VD4 strings
Connection, commutation diode VD2 negative pole are grounded after being connected with commutation diode VD3 negative pole, commutation diode VD1 positive pole and whole
Stream diode VD4 positive pole is connected with filter condenser C1 and ammeter PA respectively after being connected；
Further, also include in the power circuit the second bridge rectifier capacitor filter, power switch S,
Power transformer T1, resistance R8, filter condenser C5 and filter condenser C6；
The second bridge rectifier capacitor filter includes commutation diode VD5, commutation diode VD6, the pole of rectification two
Pipe VD7 and commutation diode VD8, commutation diode VD5 and commutation diode the VD6 series connection, commutation diode VD7 and rectification
Diode VD8 is connected, and the negative pole of the commutation diode VD6 is grounded after being connected with commutation diode VD7 negative pole, the pole of rectification two
Pipe VD5 positive pole and commutation diode VD8 positive pole are connected with filter condenser C3 and resistance R8 respectively after being connected；
Positive poles of the circuit of three-terminal voltage-stabilizing integrated IC respectively with resistance R8 and filter condenser C5 is connected；
Be provided with winding W7, winding W8 and winding W9 on the power transformer T1, winding W7 respectively with commutation diode
VD5 negative pole is connected with commutation diode VD8 negative pole, winding the W8 negative pole with commutation diode VD1 and the pole of rectification two respectively
Pipe VD4 negative pole is connected, and the winding W9 connects with power switch S-phase；
Specifically, the pierce circuit includes resistance R9, resistance R11, resistance R12, inductor L, transistor V7, electric capacity
Device C7, capacitor C8 and capacitor C9；
The base stage of the transistor V7 is connected with resistance R9 and resistance R11 respectively, transistor V7 colelctor electrode respectively with electricity
Sensor L is connected with capacitor C7 positive pole, and the negative pole of transistor V7 emitter stage respectively with resistance R12 and capacitor C7 is connected,
The resistance R11 and resistance R12 are connected after being connected with capacitor C8 positive pole, and capacitor C8 negative pole is respectively with transistor V7's
Emitter stage is connected with capacitor C7 negative pole；
The drive amplification circuit include resistance R7, resistance R10, resistance R13, resistance R14, transistor V8, transistor V9,
Capacitor C4, input transformer T2 and rheostat RP；
The base stage of the transistor V8 is connected with resistance R10, transistor V8 colelctor electrode and circuit of three-terminal voltage-stabilizing integrated IC
Be connected, transistor V8 emitter stage is connected by rheostat RP with resistance R13 one end, the resistance R13 other end respectively with electricity
Resistance R14 is connected with transistor V9 base stage；
Base stage of the both ends of the capacitor C4 respectively with rheostat RP and transistor V9 is connected；
Winding W1, winding W2 and winding W3, transistor V9 colelctor electrode and winding are provided with the input transformer T2
W1 is connected, and transistor V9 emitter stage is connected with resistance R7, and the resistance R7 is connected with resistance R13；
The power output circuit includes power amplifier tube V1, power amplifier tube V2, resistance R1, resistance R2, output transformation
Device T3, capacitor C2 and vibration head B, power amplifier tube V1 base stage are connected with winding W2, power amplifier tube V2 base stage with
Winding W3 is connected, and the winding W2 and winding W3 are grounded after being serially connected；
Winding W4, winding W5 and winding W6, transistor V1 emitter stage and resistance are provided with the output transformer T3
R1 is grounded after being connected, and transistor V2 emitter stage is grounded after being connected with resistance R2, and transistor V1 colelctor electrode is connected with winding W4,
Transistor V2 colelctor electrode is connected with winding W5, and the winding W4 and winding W5 are in series；
It is connected after the capacitor C2 and vibration head B parallel connections with winding W6；
The resistance R9 and inductor L are connected after being connected with filter condenser C6 positive pole, the resistance R10 and transistor
V7 emitter stage is connected, and resistance R14 is connected with circuit of three-terminal voltage-stabilizing integrated IC and filter condenser C5 respectively, input transformer T2
Winding W1 positive pole of the one end respectively with resistance R8 and filter condenser C3 be connected, filter condenser C1 passes through PA points of ammeter
Be not connected with exporting transformer T3 winding W4 and winding W5, the positive pole of the capacitor C8 respectively with rheostat RP and resistance
R13 is connected；
Wherein, R1~R6 selects 1W metal film resistor；R7~R13 selects 1/4W metal film resistor.BP is selected
With multi-turn precision potentiator.L uses black and white television set row oscillation coil.C1 is from the aluminium electrolutic capacitor that pressure voltage is 100V；
C2 selects high frequency ceramic capacitor；C3 is from the aluminium electrolutic capacitor that pressure voltage is 50V；C4, C5, C7 and C8 are from only stone electricity
Container；C6 is from the aluminium electrolutic capacitor that pressure voltage is 25V；C9 selects ceramic trimmer capacitor.VD1~VD4 from 6A,
100V silicon rectifier diodes；VD5~VD8 selects 1N4007 type silicon rectifier diodes.V1~V6 selects 2SD1403 or BU508
Type high-frequency high-power silicon NPN transistor；V7 and V8 selects 3DA87 type silicon NPN transistors；V9 selects BU407 type silicon NPN crystal
Pipe.IC selects LM7815 or AN7815 type circuit of three-terminal voltage-stabilizing integrated.PA selects 0~5A ammeter.T1 selects 50W power supply
Transformer；T2 uses E shapes magnetic core and Φ 0.33mm high strength enamelled wire coilings, and W1 is around 250 circles, and W2 and W3 are respectively around 25 circles；T3 makes
Made of small-sized magnetic tank and high strength enamelled wire, W4 and W5 are of Φ 0.47mm enamel-covered wire respectively around 30 circles, and W6 is of Φ 0.33mm's
Enamel-covered wire is around 360 circles.
Switch on power switch S, alternating current 220V voltage after T1 is depressured, T1 winding W7 with W8 respectively produce exchange
22V voltages with exchange 56V voltages, exchange 22V voltages are after VD5~VD8 rectifications, C3 filtering, and the W1 windings through T2 add to all the way
On V9 colelctor electrode, nearly 24V DC voltages are provided for drive amplification circuit：Another way is+15V through IC voltage stabilizings, as oscillator
Working power, exchange 56V voltages through VD1~VD4 rectifications and C1 filtering after, provided through ammeter PA for power output circuit
60V or so direct-current working volts, oscillatory work after oscillator is powered, caused oscillator signal pass through T2 after V8, V9 amplification
Coupled to power output circuit, transducer is driven after V1~V6 power amplifications, then by T3, converts electrical energy into mechanical oscillation
Can, vibration head is ground to ox horn button position to be processed, forms grinding out or depiction.
L inductance value or C9 capacitance are adjusted, the frequency of oscillator can be changed, you can realize different work requirements；
RP resistance is adjusted, the size of power output can be changed, power output, convenient practicality can be monitored by PA；Perforating device is matched somebody with somebody
Put this control circuit, you can punching again can depiction, realize multi-functional feature.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (7)
- The control circuit of aperture apparatus 1. a kind of ox horn is cramped, including power circuit, pierce circuit, drive amplification circuit and power Output circuit, it is characterised in that：Circuit of three-terminal voltage-stabilizing integrated IC and the first bridge rectifier capacitor filter are provided with the power circuit；The power circuit is connected with pierce circuit and drive amplification circuit respectively by circuit of three-terminal voltage-stabilizing integrated IC；The power circuit is connected by the first bridge rectifier capacitor filter with power output circuit.
- The control circuit of aperture apparatus 2. a kind of ox horn as claimed in claim 1 is cramped, it is characterised in that first bridge-type is whole Stream capacitor filter includes commutation diode VD1, commutation diode VD2, commutation diode VD3 and commutation diode VD4；Commutation diode VD1 and commutation diode the VD2 series connection, commutation diode VD3 and commutation diode VD4 series connection, it is whole Stream diode VD2 negative pole is grounded after being connected with commutation diode VD3 negative pole, commutation diode VD1 positive pole and rectification two Pole pipe VD4 positive pole is connected with filter condenser C1 and ammeter PA respectively after being connected.
- The control circuit of aperture apparatus 3. a kind of ox horn as claimed in claim 1 is cramped, it is characterised in that in the power circuit Also include the second bridge rectifier capacitor filter, power switch S, power transformer T1, resistance R8, filter condenser C5 and Filter condenser C6；The second bridge rectifier capacitor filter includes commutation diode VD5, commutation diode VD6, commutation diode VD7 With commutation diode VD8, commutation diode VD5 and commutation diode the VD6 series connection, commutation diode VD7 and the pole of rectification two Pipe VD8 is connected, and the negative pole of the commutation diode VD6 is grounded after being connected with commutation diode VD7 negative pole, commutation diode VD5 positive pole and commutation diode VD8 positive pole are connected with filter condenser C3 and resistance R8 respectively after being connected；Positive poles of the circuit of three-terminal voltage-stabilizing integrated IC respectively with resistance R8 and filter condenser C5 is connected；Winding W7, winding W8 and winding W9 are provided with the power transformer T1, winding W7 is respectively with commutation diode VD5's Negative pole is connected with commutation diode VD8 negative pole, the winding W8 negative poles and commutation diode VD4 with commutation diode VD1 respectively Negative pole be connected, the winding W9 and power switch S-phase connect.
- The control circuit of aperture apparatus 4. a kind of ox horn as described in claim 1 or 3 is cramped, it is characterised in that the oscillator Circuit includes resistance R9, resistance R11, resistance R12, inductor L, transistor V7, capacitor C7, capacitor C8 and capacitor C9；The base stage of the transistor V7 is connected with resistance R9 and resistance R11 respectively, transistor V7 colelctor electrode respectively with inductor L It is connected with capacitor C7 positive pole, the negative pole of transistor V7 emitter stage respectively with resistance R12 and capacitor C7 is connected, the electricity Resistance R11 and resistance R12 is connected after being connected with capacitor C8 positive pole, the capacitor C8 negative pole emitter stage with transistor V7 respectively It is connected with capacitor C7 negative pole.
- The control circuit of aperture apparatus 5. a kind of ox horn as claimed in claim 1 is cramped, it is characterised in that the drive amplification electricity Road includes resistance R7, resistance R10, resistance R13, resistance R14, transistor V8, transistor V9, capacitor C4, input transformer T2 With rheostat RP；The base stage of the transistor V8 is connected with resistance R10, and transistor V8 colelctor electrode is connected with circuit of three-terminal voltage-stabilizing integrated IC, Transistor V8 emitter stage is connected by rheostat RP with resistance R13 one end, the resistance R13 other end respectively with resistance R14 It is connected with transistor V9 base stage；Base stage of the both ends of the capacitor C4 respectively with rheostat RP and transistor V9 is connected；Winding W1, winding W2 and winding W3, transistor V9 colelctor electrode and winding W1 phases are provided with the input transformer T2 Even, transistor V9 emitter stage is connected with resistance R7, and the resistance R7 is connected with resistance R13.
- The control circuit of aperture apparatus 6. a kind of ox horn as described in claim 1 or 5 is cramped, it is characterised in that the power is defeated Go out circuit and include power amplifier tube V1, power amplifier tube V2, resistance R1, resistance R2, output transformer T3, capacitor C2 and vibration Head B, power amplifier tube V1 base stage are connected with winding W2, and power amplifier tube V2 base stage is connected with winding W3, the winding W2 and winding W3 is grounded after being serially connected；Winding W4, winding W5 and winding W6, transistor V1 emitter stage and resistance R1 phases are provided with the output transformer T3 It is grounded after even, transistor V2 emitter stage is grounded after being connected with resistance R2, and transistor V1 colelctor electrode is connected with winding W4, crystal Pipe V2 colelctor electrode is connected with winding W5, and the winding W4 and winding W5 are in series；It is connected after the capacitor C2 and vibration head B parallel connections with winding W6.
- The control circuit of aperture apparatus 7. a kind of ox horn as any one of claim 1 to 6 is cramped, it is characterised in that institute State after resistance R9 and inductor L is connected and be connected with filter condenser C6 positive pole, the resistance R10 and transistor V7 emitter stage It is connected, resistance R14 is connected with circuit of three-terminal voltage-stabilizing integrated IC and filter condenser C5 respectively, input transformer T2 winding W1's Positive pole of the one end respectively with resistance R8 and filter condenser C3 is connected, and filter condenser C1 is become with output respectively by ammeter PA Depressor T3 winding W4 is connected with winding W5, and the positive pole of the capacitor C8 is connected with rheostat RP and resistance R13 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710846210.6A CN107579668A (en) | 2017-09-19 | 2017-09-19 | A kind of ox horn is cramped the control circuit of aperture apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710846210.6A CN107579668A (en) | 2017-09-19 | 2017-09-19 | A kind of ox horn is cramped the control circuit of aperture apparatus |
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| CN107579668A true CN107579668A (en) | 2018-01-12 |
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| US5424936A (en) * | 1994-01-12 | 1995-06-13 | Deltec Corporation | Boost-input backed-up uninterrupted power supply |
| CN102130607A (en) * | 2011-03-02 | 2011-07-20 | 陈子杨 | High-frequency electronic transformer |
| CN104410281A (en) * | 2014-11-28 | 2015-03-11 | 成都措普科技有限公司 | Beam-excited pulse width modulation power supply based on logic protection emitter-coupled mode |
| CN105345606A (en) * | 2015-09-28 | 2016-02-24 | 芜湖市恒峰科技有限公司 | Control circuit of ultrasonic drilling machine |
| CN207720031U (en) * | 2017-09-19 | 2018-08-10 | 嘉善强锐五金制品厂（普通合伙） | A kind of ox horn is cramped the control circuit of aperture apparatus |
-
2017
- 2017-09-19 CN CN201710846210.6A patent/CN107579668A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4100349A1 (en) * | 1990-01-31 | 1991-08-01 | Siemens Ag | Ballast circuit for fluorescent lamp - uses isolated gate bipolar transistor as low-loss switch for capacitors in resonant circuit |
| US5424936A (en) * | 1994-01-12 | 1995-06-13 | Deltec Corporation | Boost-input backed-up uninterrupted power supply |
| CN102130607A (en) * | 2011-03-02 | 2011-07-20 | 陈子杨 | High-frequency electronic transformer |
| CN104410281A (en) * | 2014-11-28 | 2015-03-11 | 成都措普科技有限公司 | Beam-excited pulse width modulation power supply based on logic protection emitter-coupled mode |
| CN105345606A (en) * | 2015-09-28 | 2016-02-24 | 芜湖市恒峰科技有限公司 | Control circuit of ultrasonic drilling machine |
| CN207720031U (en) * | 2017-09-19 | 2018-08-10 | 嘉善强锐五金制品厂（普通合伙） | A kind of ox horn is cramped the control circuit of aperture apparatus |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180112 |
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| WW01 | Invention patent application withdrawn after publication |