CN101694914B - Socket special for fax machine power supply - Google Patents
Socket special for fax machine power supply Download PDFInfo
- Publication number
- CN101694914B CN101694914B CN2009101678622A CN200910167862A CN101694914B CN 101694914 B CN101694914 B CN 101694914B CN 2009101678622 A CN2009101678622 A CN 2009101678622A CN 200910167862 A CN200910167862 A CN 200910167862A CN 101694914 B CN101694914 B CN 101694914B
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- pin
- integrated circuit
- circuit block
- socket
- triode
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- Expired - Fee Related
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- 239000003990 capacitor Substances 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 abstract description 3
- 208000025274 Lightning injury Diseases 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 241001125929 Trisopterus luscus Species 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Telephonic Communication Services (AREA)
Abstract
The invention discloses a socket special for a fax machine power supply. The circuit structure of the socket is characterized by comprising a signal-receiving circuit, a control circuit, a +12V power supply and a fax machine power supply socket, wherein the signal-receiving circuit comprises a telephone line, a diode D, a fax machine and a coupler G; the control circuit comprises triodes VT1 and VT2, an integrated circuit block N1, a peripheral resistance-capacitance device and a relay J; the +12V power supply comprises a switch K1, a transformer T, a rectifier ZL, an integrated circuit block N2, filter capacitors C4 and C5 and an indicator lamp LED2; and the fax machine power supply socket comprises a plug BU, a through switch K2 and a triporate socket S. When a fax machine is plugged in the socket S, the power supply is switched off when the fax machine is in a standby mode and is switched on when an incoming signal displays or a fax is sent; and picture and text are normally sent without being influenced. The invention not only shortens the standby time of the fax machine and saves electricity, but also lowers the risks of lightning stroke.
Description
Technical field
The present invention relates to electronic device, be specifically related to socket special for fax machine power supply.
Background technology
Facsimile machine is able to extensive use in shop, family and office field at present, but facsimile machine is easy to suffer the thunder and lightning invasion and attack and damages that also being in power consumption during facsimile machine standby simultaneously wastes state; How to design a control circuit or special equipment; Facsimile machine is deenergization when holding state; Automatic energized when incoming telephone signal being arranged or sending fax, neither influence normally receives or sends fax, reduces the conduction time of facsimile machine again; Play and both save electric energy, can reduce the chance of being broken again by thunder and lightning.
Summary of the invention
Problem to be solved by this invention is to above-mentioned technical deficiency, and how a kind of socket special for fax machine power supply is provided, and this socket special for fax machine power supply is not also being found at present on the market.It has: (1) when facsimile machine is in holding state, the automatic disconnection of facsimile machine power supply; When (2) phone ringing or facsimile signal being arranged, the facsimile machine power supply is connected work automatically, finishes automatic disconnection facsimile machine power supply behind the time-delay certain hour up to receiving; (3),, get into operating state as long as the contact button facsimile machine will energized if will send a fax or make a phone call the time; (4) have that circuit structure is simple, performance safety and stability, low cost of manufacture and advantage such as easy to use.
Technical problem proposed by the invention is to solve like this, constructs a kind of socket special for fax machine power supply, it is characterized in that: comprise signal receiving circuit, control circuit ,+12V feeder ear circuit and socket circuit; Signal receiving circuit is made up of telephone wire, diode D1, facsimile machine and optocoupler G; Control circuit is made up of triode VT1, triode VT2, integrated circuit block N1, peripheral capacitance resistance ware and relay J; + 12V feeder ear electric routing switch K1, transformer T, rectifier ZL, integrated circuit block N2, filtering capacitor C4, filtering capacitor C5 and indicator light LED2 form; Socket circuit is made up of plug BU, through swtich K2 and Three-hole socket S; The elementary end of the transformer T of+12V feeder ear circuit links to each other with K switch 1 one ends, and the other end is connected with Three-hole socket S, and the secondary of transformer T is connected with the input of rectifier ZL respectively; Positive terminal connects integrated circuit block N2 pin 1 after the rectifier ZL rectification, its negative pole end connects integrated circuit block N2 pin 2; Integrated circuit block N2 pin 1 and pin 2 are connected positive pole and the negative pole of filtering capacitor C4 respectively, and indicator light LED2 is parallelly connected with filtering capacitor C5 with resistor R 7 series connection backs and be connected integrated circuit block N2 pin 3 and pin 2, and integrated circuit block N2 pin 3 is+the 12V feeder ear; Integrated circuit block N2 pin 2 is the circuit common; The end of the direct attachment plug BU of Three-hole socket S first end; Three-hole socket S second end connects the end of through swtich K2 one end and relay contact J1-1; The plug BU other end links to each other with the through swtich K2 other end, and the relay contact J1-1 other end links to each other with K switch 1 one ends, the elementary end of transformer T; Three-hole socket S the 3rd end connects ground protection end, and plug BU connects the AC220V civil power; The diode D1 of signal receiving circuit is connected on the telephone wire and is connected in parallel with optocoupler G input; Be connected on after optocoupler G exports an end and resistor R 3 links to each other+the 12V feeder ear on; The optocoupler G output other end is connected with triode VT1 base stage, resistor R 2 one ends, and resistor R 2 other ends are connected with the circuit common; Triode VT1 emitter connecting circuit common, triode VT1 collector electrode connect the base stage of resistor R 4 one ends and triode VT2, and the emitter of resistor R 4 other ends, triode VT2 links to each other with+12V feeder ear; The collector electrode of triode VT2 is connected with the positive terminal of diode D2 positive terminal, LED1 red light emitting diodes; Connection circuit common after the negative pole end of LED1 red light emitting diodes is connected with resistor R 5; The integrated circuit block N1 of control circuit adopts the NE555 integrated circuit block; Negative pole end and potentiometer R6 one end of the negative pole end of its integrated circuit block N1 input pin 2, pin 6 and diode D2, switch SW one end, capacitor C2 are connected together; The switch SW other end is connected with the positive terminal of capacitor C2+the 12V feeder ear; The positive terminal of diode D2 connects triode VT2 collector electrode; The potentiometer R6 other end connects integrated circuit block N1 pin 1, integrated circuit block N1 output pin 3, pin 7 and be connected on+the 12V feeder ear after the relay J coil links to each other, and relay contact J1-1 is in parallel with through swtich K2 through K switch 1 and is connected.
Beneficial effect of the present invention is: this private jack plays to be saved electric energy and reduces by the break chance of facsimile machine of thunder and lightning.
Description of drawings
Accompanying drawing 1 is a circuit structure diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
Shown in accompanying drawing 1, signal receiving circuit is made up of resistor R 1, capacitor C1, diode D1 and photoelectrical coupler G, and facsimile machine is when the standby stand-by state; Photoelectrical coupler G is in cut-off state, and the base stage of triode VT1 is a low level, and triode VT1 is in cut-off state; The base stage of triode VT1 collector electrode and triode VT2 is a high level, and triode VT2 ends, and its current collection is low level very; The LED1 red light emitting diodes is not luminous, and the input pin 2 of integrated circuit NE555, pin 6 are low level, and output pin 3, pin 7 are high level; Relay J coil no power, the not adhesive of J1-1 of its contact, the Three-hole socket S no power on the socket special for fax machine power supply.
When bell signal, photoelectrical coupler G conducting, signal is after triode VT1, triode VT2 amplify; Triode VT2 collector electrode output high level, the luminous indication of LED1 red light emitting diodes, diode D2 conducting; Input pin 2, the pin 6 of integrated circuit NE555 transfer high level to, and output pin 3, pin 7 transfer low level to, the relay J coil electricity; Contact J1-1 adhesive, the Three-hole socket S energising on the socket special for fax machine power supply, facsimile machine sends the ring sound; Behind the off-hook, photoelectrical coupler G continues conducting, begins to receive calls or fax, up to end; After the on-hook, photoelectrical coupler G ends, and at this moment capacitor C2 is through slowly charging to potentiometer R6; The input pin 2 of integrated circuit NE555, pin 6 current potentials reduce gradually, postpone about 50 seconds, when drop to power supply supply power voltage 12V 1/3 the time; The output pin 3 of integrated circuit NE555, pin 7 current potentials transfer high level to, the relay J coil losing electricity, and contact J1-1 discharges; Socket special for fax machine power supply S outage, facsimile machine gets into the standby stand-by state.
When needs were sent a fax, as long as touch-switch SW, input pin 2, the pin 6 of integrated circuit NE555 transferred level to, and output pin 3, pin 7 potential jumps are low level; The relay adhesive, the Three-hole socket S energising on the socket special for fax machine power supply, facsimile machine gets into normal operating conditions through the time of 3-5 second; Off-hook then, at this moment, " pout, the pout " sound in the telephone line makes photoelectrical coupler G conducting; After triode VT1, triode VT2 amplify, triode VT2 collector electrode output high level, the luminous indication of LED1 red light emitting diodes; Diode D2 conducting, the input pin 2 of integrated circuit NE555, pin 6 current potentials by clamper in high level, during conversation or sending out fax; Output pin 3, pin 7 current potentials of guaranteeing integrated circuit NE555 are low level, and relay keeps attracting state, finish on-hook up to facsimile transmission; Photoelectrical coupler G ends, and this moment, capacitor C2 was through to potentiometer R6 charging, postponed after about 50 seconds; Relay contact J1-1 just discharges, the Three-hole socket S outage on the socket special for fax machine power supply, and facsimile machine gets into the standby stand-by state.
Components and parts are selected: photoelectrical coupler G selects the 4N25 model for use; Capacitor C1, capacitor C3 and filtering capacitor C5 select nonpolarity ceramic disc capacitor device for use, and capacitor C2 selects the 100u/25V aluminium electrolytic capacitor for use, and filtering capacitor C4 selects the 1000u/25V aluminium electrolytic capacitor for use; Integrated circuit block N1 selects the NE555 model for use, and integrated circuit block N2 selects the LM7812 model for use; Triode VT1 selects the C9014 model for use, and triode VT2 selects the C9015 model for use; It is the carbon film resistor of 1/4W that resistor R 1-R5 selects power for use, and potentiometer R6 selects the adjustable potentiometer of 1M Ω for use; Four rectifier diodes of diode D1 and bridge rectifier ZL are selected the IN4007 model for use, and diode D2, D3 select the IN4148 model for use.
The present invention also can make various alternatives; More than through embodiment by accompanying drawing 1 illustrated embodiment; Be that foregoing of the present invention is done further explain, but should this be interpreted as that the scope of the theme that the present invention is above-mentioned only limits to described instance.Do not breaking away under the above-mentioned technological thought situation of the present invention, various replacements and change according to ordinary skill knowledge and customary means are made all should comprise within the scope of the invention.
Claims (1)
1. socket special for fax machine power supply, its circuit structure is characterised in that: comprise signal receiving circuit, control circuit ,+12V feeder ear circuit and socket circuit; Signal receiving circuit is made up of telephone wire, diode D1, facsimile machine and optocoupler G; Control circuit is made up of triode VT1, triode VT2, integrated circuit block N1, peripheral capacitance resistance ware and relay J; + 12V feeder ear electric routing switch K1, transformer T, rectifier ZL, integrated circuit block N2, filtering capacitor C4, filtering capacitor C5 and indicator light LED2 form; Socket circuit is made up of plug BU, through swtich K2 and Three-hole socket S; The elementary end of the transformer T of+12V feeder ear circuit links to each other with K switch 1 one ends, and the other end is connected with Three-hole socket S, and the secondary of transformer T is connected with the input of rectifier ZL respectively; Positive terminal connects integrated circuit block N2 pin 1 after the rectifier ZL rectification, its negative pole end connects integrated circuit block N2 pin 2; Integrated circuit block N2 pin 1 and pin 2 are connected positive pole and the negative pole of filtering capacitor C4 respectively, and indicator light LED2 is parallelly connected with filtering capacitor C5 with resistor R 7 series connection backs and be connected integrated circuit block N2 pin 3 and pin 2, and integrated circuit block N2 pin 3 is+the 12V feeder ear; Integrated circuit block N2 pin 2 is the circuit common;
The end of the direct attachment plug BU of Three-hole socket S first end; Three-hole socket S second end connects the end of through swtich K2 one end and relay contact J1-1; The plug BU other end links to each other with the through swtich K2 other end, and the relay contact J1-1 other end links to each other with K switch 1 one ends, the elementary end of transformer T; Three-hole socket S the 3rd end connects ground protection end, and plug BU connects the AC220V civil power;
The diode D1 of signal receiving circuit is connected on the telephone wire and is connected in parallel with optocoupler G input; Be connected on after optocoupler G exports an end and resistor R 3 links to each other+the 12V feeder ear on; The optocoupler G output other end is connected with triode VT1 base stage, resistor R 2 one ends, and resistor R 2 other ends are connected with the circuit common; Triode VT1 emitter connecting circuit common, triode VT1 collector electrode connect the base stage of resistor R 4 one ends and triode VT2, and the emitter of resistor R 4 other ends, triode VT2 links to each other with+12V feeder ear; The collector electrode of triode VT2 is connected with the positive terminal of diode D2 positive terminal, LED1 red light emitting diodes; Connection circuit common after the negative pole end of LED1 red light emitting diodes is connected with resistor R 5;
The integrated circuit block N1 of control circuit adopts the NE555 integrated circuit block; Negative pole end and potentiometer R6 one end of the negative pole end of its integrated circuit block N1 input pin 2, pin 6 and diode D2, switch SW one end, capacitor C2 are connected together; The switch SW other end is connected with the positive terminal of capacitor C2+the 12V feeder ear; The positive terminal of diode D2 connects triode VT2 collector electrode; The potentiometer R6 other end connects integrated circuit block N1 pin 1, integrated circuit block N1 output pin 3, pin 7 and be connected on+the 12V feeder ear after the relay J coil links to each other, and relay contact J1-1 is in parallel with through swtich K2 through K switch 1 and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101678622A CN101694914B (en) | 2009-10-12 | 2009-10-12 | Socket special for fax machine power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101678622A CN101694914B (en) | 2009-10-12 | 2009-10-12 | Socket special for fax machine power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101694914A CN101694914A (en) | 2010-04-14 |
| CN101694914B true CN101694914B (en) | 2012-07-04 |
Family
ID=42093862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101678622A Expired - Fee Related CN101694914B (en) | 2009-10-12 | 2009-10-12 | Socket special for fax machine power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101694914B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676685A (en) * | 2012-09-19 | 2014-03-26 | 成都达瑞斯科技有限公司 | Simple and energy-saving power supply control device for fax machine |
-
2009
- 2009-10-12 CN CN2009101678622A patent/CN101694914B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101694914A (en) | 2010-04-14 |
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Owner name: NANTONG JIUWUBA TECHNOLOGY BUSINESS INCUBATOR CO., Free format text: FORMER OWNER: CHEN QINGYAO Effective date: 20130924 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 611630 CHENGDU, SICHUAN PROVINCE TO: 226000 NANTONG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130924 Address after: 226000 Jinsha Industrial Zone, Jinsha County, Nantong, Tongzhou District, Jiangsu Patentee after: SUZHOU HENGKANG NEW MATERIAL CO., LTD. Address before: 611630 Pujiang vocational secondary school of Sichuan Province Patentee before: Chen Qingyao |
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| TR01 | Transfer of patent right |
Effective date of registration: 20170621 Address after: 226300 Jinsha Industrial Zone, Jinsha Town, Nantong, Jiangsu, Tongzhou District Patentee after: Nantong same Trading Co., Ltd. Address before: 226000 Jinsha Industrial Zone, Jinsha County, Nantong, Tongzhou District, Jiangsu Patentee before: SUZHOU HENGKANG NEW MATERIAL CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20181012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |