CN102110336B - Deaf-mute doorbell additional device - Google Patents
Deaf-mute doorbell additional device Download PDFInfo
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- CN102110336B CN102110336B CN201110047366A CN201110047366A CN102110336B CN 102110336 B CN102110336 B CN 102110336B CN 201110047366 A CN201110047366 A CN 201110047366A CN 201110047366 A CN201110047366 A CN 201110047366A CN 102110336 B CN102110336 B CN 102110336B
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- doorbell
- deaf
- photoelectrical coupler
- electrochemical capacitor
- circuit
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Abstract
The invention belongs to the technical field of electronic control, relates to a deaf-mute doorbell additional device. The device consists of an ordinary doorbell interface circuit, a photoelectric coupler G1, a photoelectric signal amplifying circuit, a bidirectional triode thyristor BT, a trigger circuit, an incandescent light bulb HL and a mains supply power source (AC) and is characterized in that: the two ends of an audio output piezoelectric ceramic chip in an ordinary doorbell are connected with the input end of the photoelectric coupler G1; and the receiving end of the photoelectric coupler G1 is connected with the photoelectric signal amplifying circuit. For a deaf disabled person, a deaf master can difficultly respond to sound emitted by the ordinary doorbell in time when a guest pays a visit. According to the characteristic that a deaf-mute person suffers from dysaudia, a control circuit with the incandescent light bulb which twinkles along with the sounding rhythm of the doorbell is arranged on the ordinary doorbell, so that the deaf-mute person can easily perceive. In the device, a simple interface is arranged on the shell of the ordinary doorbell, and a set of circuit for controlling the twinkling of the incandescent light bulb is also arranged additionally.
Description
Technical field
The invention belongs to the electron controls technology field, relate to a kind of attachment device of deaf and dumb doorbell.
Background technology
At present, nearly more than 400 ten thousand people of deaf-mute that become deaf of national ear.To the disabled person who becomes deaf, when the guest visited, common doorbell sent sound equipment and is difficult to let the owner who becomes deaf in time react.The doorbell of studying, design and make a kind of accessible suitable deaf-mute's use so just seems and is necessary very much.
Because there is obstacle in deaf-mute's hearing, at home the visiting common doorbell of guest outdoors is difficult to discover.The common feature that has the obstacle people according to hearing; Plan installs the control circuit that a cover is discovered by deaf-mute's eyes easily easily additional on common doorbell; Utilizing the mode of incandescent lamp bulb flicker is a kind of solution preferably; Be exactly on common doorbell shell, to increase a simple interface, the additional again control circuit that can let incandescent lamp bulb light or glimmer.
For effectively solving the technical matters of this respect, on the basis that does not change original common doorbell circuit and structure, the process kinds of schemes is tested, is analyzed and relatively, realized intended purposes with a small amount of discrete component.
The attachment device of this deaf and dumb doorbell of the present invention mainly contains following multiple practical use, below specifies the correlation technique of the attachment device making of this deaf and dumb doorbell.
Summary of the invention
Goal of the invention and beneficial effect
To the disabled person who becomes deaf, common doorbell sends sound equipment and is difficult to let the owner who becomes deaf in time react when the guest visits.There are the characteristics of obstacle according to deaf-mute's hearing, on common doorbell, install a kind of incandescent lamp bulb additional, the lighting control circuit that makes deaf-mute's eyes be easy to discover with the flicker of doorbell sounding rhythm.Concrete is exactly on common doorbell shell, to increase a simple interface, the circuit of an additional again cover control incandescent lamp bulb flicker.
Technical characterictic: the attachment device of deaf and dumb doorbell; Form by common doorbell interface circuit, photoelectrical coupler G1, optical signal amplification circuit, bidirectional triode thyristor BT and trigger circuit, incandescent lamp bulb HL, mains supply (AC); It is characterized in that: two of the audio frequency output piezoelectric ceramic piece in the common doorbell terminates at the input end of photoelectrical coupler G1, and the receiving end of photoelectrical coupler G1 is connected to optical signal amplification circuit.
Components and parts annexation each other in other partial circuits
1. common doorbell interface circuit: the input end by common doorbell electrochemical capacitor C1, photoelectrical coupler G1 is formed; It is characterized in that: the positive pole of a termination electrochemical capacitor C1 of the piezoelectric ceramic piece in the common doorbell; The negative pole of electrochemical capacitor C1 connects 1 pin of photoelectrical coupler G1,2 pin of another termination photoelectrical coupler G1 of the piezoelectric ceramic piece in the common doorbell.
2. optical signal amplification circuit: receiving end, resistance R 1, PNP transistor BG1, resistance R 2, electrochemical capacitor C2, silicon rectifier diode D1 by photoelectrical coupler G1 form; Connect the base stage of PNP transistor BG1 behind the 5 pin series resistor R1 of photoelectrical coupler G1; Connect the electrochemical capacitor C2 utmost point after the collector series connection resistance R 2 of PNP transistor BG1; The negative pole of electrochemical capacitor C2 is with connecing 4 pin of photoelectrical coupler G1 and the zero line side (N) of mains supply, and the emitter of PNP transistor BG1 connects the negative pole of commutation diode D1.
3. bidirectional triode thyristor BT and trigger circuit thereof: form by bidirectional triode thyristor BT, resistance R 3, incandescent lamp bulb HL and mains supply (AC); It is characterized in that: the positive pole that meets electrochemical capacitor C2 behind the control utmost point (G) the series resistor R3 of bidirectional triode thyristor BT; Connect the live wire end (L) of mains supply behind the first anode (T1) the serial connection incandescent lamp bulb HL of bidirectional triode thyristor (BT), the second anode of bidirectional triode thyristor BT (T2) connects the zero line side (N) of mains supply.
Principle of work: the interface circuit of common doorbell outside is shown in accompanying drawing.Doorbell can adopt common music or " ding-dong " electronic door bell.When the guest is visiting, when pressing pushbutton switch AN, piezoelectric ceramics sector-meeting sounding in the doorbell then; This moment, audio voltage inputed to photoelectrical coupler G1 through arrow through electrochemical capacitor C1, and so the phototriode meeting conducting of photoelectrical coupler G1 is also conducting of transistor BG1; Thereupon after the collector of electrochemical capacitor C2 through transistor BG1, the resistance R 2; C2 charges to electrochemical capacitor, and the voltage at electrochemical capacitor C2 two ends rises gradually, when the last up voltage of electrochemical capacitor C2 reaches the trigger voltage value of bidirectional triode thyristor BT; Then bidirectional triode thyristor BT triggering and conducting makes incandescent lamp bulb HL get electric lighting, and incandescent lamp bulb HL is along with the intensity of doorbell sounding and rhythm and glimmer.Because after the bidirectional triode thyristor BT conducting, electrochemical capacitor C2 discharges through the control utmost point (G) of resistance R 3 through bidirectional triode thyristor BT has the regular hour.Therefore, bidirectional triode thyristor BT conducting meeting time-delay, lasting regular hour are behind electrochemical capacitor C2 discharge off; Bidirectional triode thyristor BT will cross zero to cut-off; And cutting off the mains supply on the incandescent lamp bulb HL, circuit gets into no power consumption holding state, waits for the triggering of next bidirectional triode thyristor BT.
Description of drawings
Accompanying drawing is the circuit working schematic diagram of the attachment device of deaf and dumb doorbell.
L in the accompanying drawing, N symbol are represented the live wire end of mains supply (AC), the zero line side of mains supply (AC) respectively.
It is the finished product doorbell of piezoelectric ceramic piece that common doorbell in the accompanying drawing should be selected sounding component for use.
Embodiment
Technical requirement according to the components and parts of the circuit working schematic diagram of the attachment device of deaf and dumb doorbell shown in the accompanying drawing and description of drawings and the following stated is implemented, and can realize the present invention.
The selection of components and parts and technical parameter thereof
G1 is a triode type photoelectrical coupler, and model is selected 4N25 or 4N26 for use, and pin is 5 pin;
D1 selects 1N4004 type silicon rectifier diode for use;
BG1 selects positive-negative-positive 2N5401 transistor, encapsulated type TO-92, current amplification factor >=200 for use;
BT is a bidirectional triode thyristor, and model is MLR100-6 or BT169D, and voltage, current parameters are 1A/400V;
Resistance is selected 1/4W metalfilmresistor or carbon resister for use, and the resistance of resistance R 1, R3 is 12K Ω, and the resistance of resistance R 2 is 1K Ω, power 2W;
C1 is an electrochemical capacitor, and capacity is 220 μ F/16V.C2 is an electrochemical capacitor, and capacity is 100 μ F/160V;
HL is an incandescent lamp bulb, and power is 15～60W/220V;
It is the finished product doorbell of piezoelectric ceramic piece that doorbell in the circuit working schematic diagram should be selected sounding component for use, requires the audio frequency output voltage >=3V at piezoelectric ceramic piece two ends in the finished product doorbell.
Make main points and circuit debugging
Can the attachment device control circuit input end of deaf and dumb doorbell be made become plug, tipping 1 socket in the two ends of piezoelectric ceramic piece in the finished product doorbell, and inserting mode is taked in both connections, and the installation that combines like this, use meeting are convenient.
The attachment device circuit of deaf and dumb doorbell is so long as the electronic devices and components performance of selecting for use is intact; The annexation of accompanying drawing and components and parts is welded to specifications; After physical connection line and welding quality process scrutiny were errorless, circuit need not debugged basically and get final product operate as normal.
It is the sort of finished product doorbell of piezoelectric ceramic piece that doorbell in the circuit working schematic diagram should be selected sounding component for use.When the audio frequency output voltage at piezoelectric ceramic piece two ends in the finished product doorbell during, can carry out step-down at the resistance of 100 Ω～510 Ω in 1 resistance of any end serial connection of electrochemical capacitor C1 much larger than 3V.
As if the luminance shortage of incandescent lamp bulb (HL) flicker, can suitably reduce the resistance of resistance R 3, but the resistance of resistance R 3 must not be less than being 6.2K Ω.
Electrochemical capacitor C2 can delay time, continue the regular hour through the discharge of the bidirectional triode thyristor BT control utmost point, and the frequency of the big more incandescent lamp bulb HL flicker of the capacity of electrochemical capacitor C2 is low more, and the time that flicker continues is just long more, can adjust according to user's actual needs in the making.
Claims (1)
1. the attachment device of a deaf and dumb doorbell, it is made up of common doorbell interface circuit, photoelectrical coupler G1, optical signal amplification circuit, bidirectional triode thyristor BT and trigger circuit, incandescent lamp bulb HL, mains supply (AC), it is characterized in that:
Common doorbell interface circuit is made up of the input end of common doorbell, electrochemical capacitor C1, photoelectrical coupler G1; The model that photoelectrical coupler G1 selects for use is 4N25 or 4N26; The positive pole of one termination electrochemical capacitor C1 of the piezoelectric ceramic piece in the common doorbell; The negative pole of electrochemical capacitor C1 connects the 1st pin of photoelectrical coupler G1, the 2nd pin of another termination photoelectrical coupler G1 of the piezoelectric ceramic piece in the common doorbell;
Optical signal amplification circuit is made up of receiving end, resistance R 1, PNP transistor BG1, resistance R 2, electrochemical capacitor C2, the silicon rectifier diode D1 of photoelectrical coupler G1; Connect the base stage of PNP transistor BG1 behind the 5th pin series resistor R1 of photoelectrical coupler G1; It is anodal to meet electrochemical capacitor C2 after the collector series connection resistance R 2 of PNP transistor BG1; The negative pole of electrochemical capacitor C2 connects the 4th pin of photoelectrical coupler G1 and the zero line side (N) of mains supply (AC); The emitter of PNP transistor BG1 connects the negative pole of commutation diode D1, and the positive pole of commutation diode D1 connects the live wire end (L) of mains supply (AC);
Connect the positive pole of electrochemical capacitor C2 behind the control utmost point (G) the series resistor R3 of bidirectional triode thyristor BT in bidirectional triode thyristor BT and the trigger circuit thereof; Connect the live wire end (L) of mains supply (AC) behind the first anode of bidirectional triode thyristor BT (T1) the serial connection incandescent lamp bulb HL, the second anode of bidirectional triode thyristor BT (T2) connects the zero line side (N) of mains supply (AC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047366A CN102110336B (en) | 2011-02-28 | 2011-02-28 | Deaf-mute doorbell additional device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047366A CN102110336B (en) | 2011-02-28 | 2011-02-28 | Deaf-mute doorbell additional device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102110336A CN102110336A (en) | 2011-06-29 |
| CN102110336B true CN102110336B (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110047366A Expired - Fee Related CN102110336B (en) | 2011-02-28 | 2011-02-28 | Deaf-mute doorbell additional device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102110336B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496227A (en) * | 2011-12-08 | 2012-06-13 | 朱虹 | Doorbell auxiliary device for deaf-mute |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786628A (en) * | 1971-04-30 | 1974-01-22 | H Fossard | Warning system and method |
| CN201111654Y (en) * | 2007-09-19 | 2008-09-10 | 高子泉 | Electronic doorbell with flashing light |
| CN201251818Y (en) * | 2008-09-05 | 2009-06-03 | 姜士军 | Additional deaf person call circuit of doorbell |
| CN201946072U (en) * | 2011-02-28 | 2011-08-24 | 黄勇 | Additional device of doorbell for deaf-mute |
-
2011
- 2011-02-28 CN CN201110047366A patent/CN102110336B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786628A (en) * | 1971-04-30 | 1974-01-22 | H Fossard | Warning system and method |
| CN201111654Y (en) * | 2007-09-19 | 2008-09-10 | 高子泉 | Electronic doorbell with flashing light |
| CN201251818Y (en) * | 2008-09-05 | 2009-06-03 | 姜士军 | Additional deaf person call circuit of doorbell |
| CN201946072U (en) * | 2011-02-28 | 2011-08-24 | 黄勇 | Additional device of doorbell for deaf-mute |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102110336A (en) | 2011-06-29 |
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Granted publication date: 20121017 Termination date: 20130228 |