CN2271071Y - Solid-state switch - Google Patents

Solid-state switch Download PDF

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Publication number
CN2271071Y
CN2271071Y CN 95215854 CN95215854U CN2271071Y CN 2271071 Y CN2271071 Y CN 2271071Y CN 95215854 CN95215854 CN 95215854 CN 95215854 U CN95215854 U CN 95215854U CN 2271071 Y CN2271071 Y CN 2271071Y
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circuit
resistance
emitting diode
diode
light
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Expired - Fee Related
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CN 95215854
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Chinese (zh)
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周开根
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Abstract

The utility model discloses a solid-state socket switch, which relates to an electrical switch which is a safety switch suitable for guesthouses, guest rooms, combustible and explosive places, open air, and wet environments. The utility model adopts the techniques of infrared sense and controlled silicon, and is composed of a voltage reducing circuit, a rectifying circuit, a filter circuit, a control circuit, a display circuit, a short protection circuit, a cutoff protective circuit, and an output circuit. The utility model has the advantages of low power consumption, power save, convenient installation and operation, high universality, long service life, etc., when short circuit occurs and electric appliances fail, rapid, reliable and effective protection action can be guaranteed.

Description

Solid-state slotting board electricity-getting switch
The utility model relates to a kind of electric switch, this switch is to be adapted at a kind of safety switch of using in hotel guest-room, inflammable and explosive place, the outdoor and wet environment.
At present, slotting board electricity-getting switch commonly used mainly is made up of slotting board control section and two parts of distribution box, and these two parts are that install the branch two places; Wherein insert the board control section and can divide mechanical type and photoelectric type two classes; Mechanical slotting board electricity-getting switch is main to make element with the travel switch, the pressure by the power taking board during use is connected travel switch, makes ac contactor coil obtain electricity, send electricity by the main contacts closure; The slotting board electricity-getting switch of photoelectric type mainly is made up of photoelectric sensing circuit and A.C. contactor, and with A.C. contactor as executive component, so energy consumption is big, volume is also bigger; Above-mentioned these slotting board electricity-getting switch have easy generation mechanical fatigue and malfunctioning; Easily singe and cement and cause and can not cut off the power supply in the contact; The high maintenance capacity of failure rate is big; The ac contactor coil consumed power is big; Transship at power consumption equipment or electric wiring, during short circuit since ac contactor contact can not rapid and reliablely cut off the electricity supply than length release time and effectively to protect; Volume is also big and divide two places to install, so inconvenience is installed, versatility is poor; When switch energising and outage, noise and spark are arranged, so the scope of application is little, defective such as only is confined to adopt in the hotel guest-room at present.
In view of the foregoing; task of the present utility model be to design and manufacture a kind of have use more convenient, work sensitive reliable, save electric energy, the scope of application is wide, particularly applicable in explosive Combustible Place, the outdoor and wet environment, highly versatile, and can carry out effectively electric equipment and circuit, quick, reliably protecting, long service life, a kind of solid-state slotting board electricity-getting switch.
The purpose that the utility model proposed is done in such a way that when manufacturing and designing this slotting board electricity-getting switch, and we adopt infrared ray sensing and utilization controllable silicon technology to reach purpose of design; Specifically form,, make it to have anti-interference strong advantage owing to adopt infrared ray sensing by step-down, rectification, filter circuit, control circuit, display circuit, short-circuit protection circuit, overload protecting circuit and output circuit; Adopt highly sensitive tongue tube to pick up overcurrent signal, the main circuit current magnetic test coil number of turn is reduced, so neither influence major loop work, whole volume is reduced, and can improve sensitivity; Adopt direct current triggering and application to be close to road principle control controllable silicon; can guarantee that when being short-circuited and electrical equipment when breaking down protect agilely, operate time was less than 0.01 second; it and traditional circuits for triggering ratio; it is little to have the output waveform distortion, and voltage drop is little, can not cause false triggering; can not produce advantages such as electromagnetic interference; adopt capacitor step-down in the circuit, can reduce the power consumption of entire circuit, and can not generate heat.The utility model is made of step-down, rectification, filter circuit, control circuit, display circuit, short-circuit protection circuit, overload protecting circuit and output circuit.Wherein step-down, rectification, filter circuit are by resistance R 1, capacitor C 1, C 2, diode D 1, D 2, D 3Form; Control circuit is by resistance R 2, R 3, R 4, R 7, R 8, infrared light emitting diode VD 1, infrared receiver diode VD 2, triode VT 1, VT 2Form; Short-circuit protection circuit is by electric current detecting coil L 1, tongue tube J 1, one-way SCR VS 2, light-emitting diode VD 5～VD 8Form; Overload protecting circuit is by electric current detecting coil L 2, tongue tube J 2, resistance R 5, R 6, electrochemical capacitor C 3, voltage stabilizing didoe D 4, one-way SCR VS 1, light-emitting diode VD 3, VD 4, VD 7, VD 8Form; Display circuit is by VD 3～VD 12Be connected in the operating circuit and form; Output circuit is by bidirectional triode thyristor VS 3, VS 4, piezo-resistance R v, resistance R 9, R 10, capacitor C 4Form.And with epoxy resin entire circuit is encapsulated, make it to be hedged off from the outer world, reach the requirement of explosion-proof waterproof, also can avoid damaging because of discharge between high-low pressure in the circuit possibility of element, thereby guaranteed the reliability of this switch; When panel designs, can be designed to two kinds of literal display type and indicating lamp types, the display window of literal display type is by transparent face mask, and the intermediate layer is to be printed on four groups of hollow literal, and word segment is transparent plastic sheet, nexine is a light-emitting diode, and showing that different contents is spaced from each other.Wherein, resistance R in the circuit 1, electric capacity of the dacron C 1, diode D 1Mutually the serial connection, and with electric current detecting coil L 1, L 2Connect alternating current 220V power supply after the series connection, wherein diode D 1Just very " " end, negative pole and electric capacity of the dacron C 1Connect, its tie point meets rectifier diode D 2Positive pole; Rectifier diode D 2With infrared light emitting diode VD 1Series connection, rectifier diode D 2Negative pole and infrared light emitting diode VD 1The tie point of positive pole meet electrochemical capacitor C 2, voltage stabilizing didoe D 3Be connected in parallel on electrochemical capacitor C 2On; Infrared light emitting diode VD 1Negative pole on connecting resistance R respectively 2, R 3, R 4, resistance R wherein 2The other end meet reed pipe J respectively 1, J 2And infrared receiver diode VD 2Negative pole on, infrared receiver diode VD 2Anodal connecting resistance R 7And meet triode VT 1Base stage, resistance R 7Another termination " "; Resistance R wherein 3Another termination triode VT 2Collector electrode and bidirectional triode thyristor VS 3The control utmost point; Resistance R wherein 4The other end respectively order to controllable silicon VS 1, VS 2Anode and meet triode VT 1Collector electrode; One-way SCR VS 1The control utmost point meet voltage stabilizing didoe D 4Positive pole, voltage stabilizing didoe D 4Negative pole connecting resistance R 5, R 6, electrolytic capacitor C 3Positive pole, resistance R wherein 5Another termination tongue tube J 2, resistance R 6Another termination " ", electrochemical capacitor C 3Negative pole connect " ".One-way SCR VS 2The control utmost point meet tongue tube J 1Show light-emitting diode VD 3, VD 4Anodal and the one-way SCR VS in light connection back 1Negative electrode join, negative pole with show light-emitting diode VD 7, VD 8Positive pole join; Show light-emitting diode VD 5, VD 6Anodal and the one-way SCR VS in back in parallel 2Negative electrode join, negative pole with show light-emitting diode VD 7, VD 8Positive pole join; Show light-emitting diode VD 7, VD 8Back in parallel negative pole meets triode VT respectively 1Emitter, resistance R 8And demonstration light-emitting diode VD 9, VD 10, VD 11, VD 12, R wherein 8Another termination triode VT 2Base stage, show light-emitting diode VD 9, VD 12Connect behind the series and parallel " "; Bidirectional triode thyristor VS 3Anode and resistance R 9Connect output after the serial connection, negative electrode and bidirectional triode thyristor VS 4The control utmost point join; Bidirectional triode thyristor VS 4Anode connect lead-out terminal, negative electrode and electric current detecting coil L 1, L 2Connect the alternating current 220V phase line of power after the serial connection; Resistance R 10With capacitor C 4Be connected in parallel on bidirectional triode thyristor VS after the serial connection 4Anode and negative electrode on, piezo-resistance R vAlso be connected in parallel on bidirectional triode thyristor VS 4Anode and negative electrode on, its circuit block diagram as shown in Figure 3, electric circuit diagram is as shown in Figure 4.Because above-mentioned measure is achieved the purpose that the utility model proposes.
The utility model has been owing to adopted infrared ray sensing and controllable silicon technology, and has reliable protection to retouch to execute; Use the epoxy encapsulation whole circuit; therefore compare with original slotting board switch; have easy to use, work is sensitive reliable, economize on electricity, be applicable to explosive Combustible Place, the outdoor and medium ground of wet environment, the tool highly versatile, can carry out effectively electric equipment and circuit, quick, reliably protecting, non-damageable, advantages such as volume is less, install and use safety, highly versatile and long service life.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is solid-state slotting board electricity-getting switch (literal display type) front elevational schematic.
Fig. 2 is solid-state slotting board electricity-getting switch (indicating lamp type) front elevational schematic.
Fig. 3 is the circuit block diagram of solid-state slotting board electricity-getting switch.
Fig. 4 is the electric circuit diagram of solid-state slotting board electricity-getting switch.
Among Fig. 1,2,1, insert the board passage; 2, switch panel; 3, literal display window; 4, solid-state switching circuits; 5, the Luo hole is installed; 6, operate as normal indicator light; 7, power supply indicator; 8, overload protection indicator light; 9, short-circuit protection indicator light.Among Fig. 4, OUT, output; IN, input; Rv, piezo-resistance; R 1, R 2, R 3, R 4, R 5, R 6, R 7, R 8, R 9, R 10, resistance; C 1, C 4, electric capacity of the dacron; C 2, C 3, electrochemical capacitor; D 1, D 2, diode; D 3, D 4, voltage stabilizing didoe; VD 1, line outside line emitting diode; VD 2, infrared receiver diode; VD 3, VD 4, VD 5, VD 6, VD 7, VD 8, VD 9, VD 10, VD 11, VD 12, light-emitting diode; VS 1, VS 2, one-way SCR; VS 3, VS 4, bidirectional triode thyristor; VT 1, VT 2, triode; J 1, J 2, tongue tube; L 1, L 2, electric current detecting coil; R LBe all kinds of loads; As shown in Figure 4, alternating current 220V is through resistance R 1With electric capacity of the dacron C 1After the step-down by rectifier diode D 1, D 2Rectification is then by electrochemical capacitor C 2Filtering forms DC power supply, again through infrared light emitting diode VD 1The emission infrared light, with time-divisions three tunnel confession triggering, control, protection and display circuit, be respectively: the one tunnel through resistance R 3Current limliting is to promoting level bidirectional triode thyristor VS 3The control utmost point, trigger bidirectional triode thyristor VS 3Conducting, bidirectional triode thyristor VS 3Trigger output stage bidirectional triode thyristor VS after the conducting 4Conducting; Another road is through resistance R 2To infrared receiver diode VD 2And tongue tube J 1, J 2If at this moment do not insert the board power taking, with the outer emitting diode VD of red line 1The relative infrared receiver diode VD that installs 2Be subjected to infrared light irradiation and by electric current to triode VT 1Base stage makes triode VT 1Light-emitting diode VD is lighted in conducting 9, VD 10, VD 11, VD 12, Fig. 1 literal display window (3) just demonstrates " inserting board power taking, ON/OFF WITHPLUG ", and output current is through resistance R simultaneously 8To triode VT 2Ground level (triode works on off state) makes triode VT 2Saturation conduction, triode VT 2The voltage of collector electrode approaches zero volt, through resistance R 3The trigger current that comes is by triode VT 2Be close to the road, bidirectional triode thyristor VS 3, VS 4When the line voltage zero passage, end, stop to power to power consumption equipment.When the needs electricity consumption, in Fig. 1 or Fig. 2, insert board passage (1) and insert the plate power taking, at this moment because infrared light emitting diode VD 1The plate that the infrared light of emission is inserted into blocks infrared receiver diode VD 2Just do not receive infrared light and almost do not have electric current supply triode VT 1Base stage, triode VT 1So place's cut-off state is light-emitting diode VD 9, VD 10, VD 11VD 12Extinguish, simultaneously, triode VT 2Because of the base stage dead electricity is ended, through resistance R 3The direct current that comes is not by triode VT 2Be close to the road and trigger bidirectional triode thyristor VS 3, VS 4Conducting, switch is powered to power consumption equipment.As above say through galvanic another road that step-down, rectifying and wave-filtering form through resistance R 4To one-way SCR VS 1, VS 2Anode and lead to and be subjected to infrared receiver diode VD 2The triode VT of control 1, its electric current removes control switch triode VT 2When inserting board power taking and circuit and be not in guard mode, almost there is not electric current to pass through resistance R 4Branch road is to triode VT 2Base stage, triode VT 2Place's cut-off state, bidirectional triode thyristor VS 3, VS 4Place's conducting state; When inserting the board power taking, just there is electric current to pass through resistance R 4Branch road is to triode VT 2Base stage, make triode VT 2Saturation conduction plays and is close to the road effect, makes bidirectional triode thyristor VS 3, VS 4End; In slotting board power taking process, when being short-circuited fault, short circuit current can make tongue tube J 1Closure, electric current is through resistance R like this 2, tongue tube J 1To one-way SCR VS 2The control utmost point, make one-way SCR VS 2Conducting, at this moment electric current is through resistance R 4, one-way SCR VS 2, show light-emitting diode VD 5Bing Lian light-emitting diode VD with it 6, light-emitting diode VD 7Bing Lian light-emitting diode VD with it 8And light-emitting diode VD 9, VD 10, VD 11, VD 12To " ", while light-emitting diode VD 7, VD 8The one part of current of negative pole output is through resistance R 8To triode VT 2Base stage, thereby make triode VT 2Rapidly saturation conduction and be close to the road and fallen trigger current makes bidirectional triode thyristor VS 3, VS 4End when the line voltage zero passage, stop power supply, the time is less than 0.01 second, thereby realized effective protection of switch itself and power consumption equipment, circuit simultaneously, is lighted light-emitting diode VD 5, VD 6, VD 7, VD 8, VD 9, VD 10, VD 11, VD 12, the display window (3) on the switch panel (2) promptly demonstrates " short-circuit protection please repeat to insert board power taking, ON/OFF WITH PLUG after the eliminating " among Fig. 1 at this moment, and the short-circuit protection indicator light (9) on the switch panel among Fig. 2 (2) is bright.When the overload phenomenon takes place when, tongue tube J 2Closure, the overload signal electric current is through resistance R 5, electrochemical capacitor C 2The delay circuit of forming, through certain hour, electrochemical capacitor C 3On charging voltage greater than voltage stabilizing didoe D 4Puncture voltage the time, trigger one-way SCR VS 1Conducting, electric current is through resistance R 4, one-way SCR VS 1, show generating diode VD 3Bing Lian demonstration light-emitting diode VD with it 4And demonstration light-emitting diode VD 7Bing Lian demonstration light-emitting diode VD with it 8With demonstration light-emitting diode VD 9, VD 10, VD 11, VD 12And resistance R 8To triode VT 2Base stage, make triode VT 2Saturation conduction is close to the road and has fallen trigger current, makes bidirectional triode thyristor VS 3, VS 4When the line voltage zero passage, end, stop power supply, thereby realized overload protection, light Light-Emitting Diode VD simultaneously 3, VD 4, VD 7, VD 8, VD 9, VD 10, VD 11, VD 12, at this moment, the display window (3) on the switch panel among Fig. 1 (2) promptly demonstrates " overload protection please repeat to insert board power taking, ON/OFF, WITH PLUG after the eliminating ", and the overload protection indicator light (8) on the switch panel among Fig. 2 (2) is bright.Overload protection or short-circuit protection one are when action, owing to flow through one-way SCR VS 1Or VS 2Direct current do not have zero passage constantly, so one-way SCR VS 1Or VS 2All the time conducting has realized auto-lock function, repeats to insert the board power taking once after fault is got rid of, and makes triode VT like this 1Conducting is close to the road and is fallen one-way SCR VS 1Or VS 2Electric current, but de-preservation state just, switch is a restore funcitons.The phase line of civil power 22OV is through electric current detecting coil L 1, L 2, bidirectional triode thyristor VS 4, load R LTo zero line formation major loop.Dotted portion is the electric wiring beyond this switch terminal.

Claims (3)

1, a kind of solid-state slotting board electricity-getting switch is characterized in that being made of step-down, rectification, filter circuit, control circuit, display circuit, short-circuit protection circuit, overload protecting circuit and output circuit.
2, solid-state slotting board electricity-getting switch as claimed in claim 1 is characterized in that step-down, rectification, filter circuit are by resistance R 1, capacitor C 1, C 2, diode D 1, D 2, D 3Form; Control circuit is by resistance R 2, R 3, R 4, R 7, R 8, infrared light emitting diode VD 1, infrared receiver diode VD 2, triode VT 1, VT 2Form; Short-circuit protection circuit is by electric current detecting coil L 1, tongue tube J 1, one-way SCR VS 2, light-emitting diode VD 5～VD 8Form; Overload protecting circuit is by electric current detecting coil L 2, tongue tube J 2, resistance R 5, R 6, electrochemical capacitor C 3, voltage stabilizing didoe D 4, one-way SCR VS 1, light-emitting diode VD 3, VD 4, VD 7, VD 8Form; Display circuit is by VD 3～VD 12Be connected in the operating circuit and form; Output circuit is by bidirectional triode thyristor VS 3, VS 4, piezo-resistance R v, resistance R 9, R 10, capacitor C 4Form.
3, as claim 1,2 described solid-state slotting board electricity-getting switch, it is characterized in that resistance R in the circuit 1, electric capacity of the dacron C 1, diode D 1Mutually the serial connection, and with electric current detecting coil L 1, L 2Connect alternating current 220V power supply after the series connection; Diode D 1Just very " " end, negative pole and electric capacity of the dacron C 1Connect, its tie point meets rectifier diode D 2Positive pole; Rectifier diode D 2With infrared light emitting diode VD 1Series connection, rectifier diode D 2Negative pole and infrared light emitting diode VD 1The tie point of positive pole meet electrochemical capacitor C 2, voltage stabilizing didoe D 3Be connected in parallel on electrochemical capacitor C 2On; Infrared light emitting diode VD 1Negative pole connecting resistance R respectively 2, R 3, R 4, resistance R wherein 2The other end meet tongue tube J respectively 1, J 2And infrared receiver diode VD 2Negative pole on, infrared receiver diode VD 2Anodal connecting resistance R 7And meet triode VT 1Base stage, resistance R 7Another termination " "; Resistance R wherein 3Another termination triode VT 2Collector electrode and bidirectional triode thyristor VS 3The control utmost point; Resistance R wherein 4The other end respectively order to controllable silicon VS 1, VS 2Anode and meet triode VT 1Collector electrode; One-way SCR VS 1The control utmost point meet voltage stabilizing didoe D 4Positive pole, voltage stabilizing didoe D 4Negative pole connecting resistance R respectively 5, R 6, electrochemical capacitor C 3Positive pole, resistance R wherein 5Another termination tongue tube J 2, resistance R 6Another termination " ", electrochemical capacitor C 3Negative pole connect " "; One-way SCR VS 2The control utmost point meet tongue tube J 1Show light-emitting diode VD 3, VD 4Anodal and the one-way SCR VS in back in parallel 1Negative electrode join, negative pole with show light-emitting diode VD 7, VD 8Positive pole join; Show light-emitting diode VD 5, VD 6Anodal and the one-way SCR VS in back in parallel 2Negative electrode join, negative pole with show light-emitting diode VD 7, VD 8Positive pole join; Show light-emitting diode VD 7, VD 8Back in parallel negative pole meets triode VT respectively 1Emitter, resistance R 8And demonstration light-emitting diode VD 9, VD 10, VD 11, VD 12, R wherein 8Another termination triode VT 2Base stage, show light-emitting diode VD 9～VD 12Connect behind the series and parallel " "; Bidirectional triode thyristor VS 3Anode and resistance R 9Connect output after the serial connection, negative electrode and bidirectional triode thyristor VS 4The control utmost point join; Bidirectional triode thyristor VS 4Anode connect lead-out terminal, negative electrode and current detecting line enclose L 1, L 2Connect the alternating current 220V phase line of power after the serial connection; Resistance R 10With capacitor C 4Be connected in parallel on bidirectional triode thyristor VS after the serial connection 4Anode and negative electrode on, piezo-resistance R vAlso be connected in parallel on bidirectional triode thyristor VS 4Anode and negative electrode on.
CN 95215854 1995-06-28 1995-06-28 Solid-state switch Expired - Fee Related CN2271071Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95215854 CN2271071Y (en) 1995-06-28 1995-06-28 Solid-state switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95215854 CN2271071Y (en) 1995-06-28 1995-06-28 Solid-state switch

Publications (1)

Publication Number Publication Date
CN2271071Y true CN2271071Y (en) 1997-12-17

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ID=33865091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95215854 Expired - Fee Related CN2271071Y (en) 1995-06-28 1995-06-28 Solid-state switch

Country Status (1)

Country Link
CN (1) CN2271071Y (en)

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C19 Lapse of patent right due to non-payment of the annual fee
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