CN107396520A - Suitable for the phone circuit for lamp of night call - Google Patents
Suitable for the phone circuit for lamp of night call Download PDFInfo
- Publication number
- CN107396520A CN107396520A CN201710716176.0A CN201710716176A CN107396520A CN 107396520 A CN107396520 A CN 107396520A CN 201710716176 A CN201710716176 A CN 201710716176A CN 107396520 A CN107396520 A CN 107396520A
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- port
- chips
- resistance
- electric capacity
- diode
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses the phone circuit for lamp conversed suitable for night, including 555 chips, bridge rectifier diode D, operational amplifier A, relay J, bulb L, transducer, telephone set, switch S, diode D2, electric capacity C2, C3, C4, resistance R1, R3, R4, R5, R6 and photo resistance R7, electric capacity C3 is connected between the port 2 of 555 described chips and the output end of operational amplifier A, resistance R3 and switch S are sequentially connected in series between the port 2 of 555 chips and the reverse input end of operational amplifier A, electric capacity C2 is sequentially connected in series between the input in the same direction and output end of operational amplifier A, transducer and photo resistance R7；Electric capacity C4 is connected between the port 1 and port 6 of 555 described chips, resistance R6 is connected between the port 4 and port 7 of 555 chips, diode D2 is connected between the port 3 and port 8 of 555 chips, relay J is connected between the port 1 and port 3 of 555 chips.The present invention is by above-mentioned principle, and at night in use, phone can be lighted automatically during telephone rings either off-hook and circuit is without debugging, installation is errorless to be can be used, easy to use.
Description
Technical field
The present invention relates to the communications field, and in particular to suitable for the phone circuit for lamp of night call.
Background technology
The development of current information technology is very fast, generates tremendous influence to social politics and economy life, in recent years information
The huge advance of industry also result in the extensive concern of various circles of society.How common people can be cheaper to obtain better information if being concerned about
Service, investor are concerned about how to be earned money using information technology, enterpriser be concerned about message area market have it is much, how to do
It is bigger, actually or economist be concerned about the new stage foam of New Economy pattern human social development, politicians are concerned about
Be information technology to national security, the influence of social stability.And play in rapid telephone communication today of information development non-
Often important role, and be rapidly developed, and phone will not during telephone rings either off-hook when using at night for phone
Automatically light, jingle bell either off-hook be intended to turn on light could it is clear that using and it is inconvenient.
The content of the invention
Instant invention overcomes the deficiencies in the prior art, there is provided suitable for the phone circuit for lamp of night call, the telephone lamp exists
Night is in use, phone can be lighted automatically during telephone rings either off-hook and circuit is errorless without debugging, installation
Use, it is easy to use.
To solve above-mentioned technical problem, the present invention uses following technical scheme：Suitable for the telephone lamp electricity of night call
Road, including 555 chips, bridge rectifier diode D, operational amplifier A, relay J, bulb L, transducer, telephone set, switch S,
Diode D2, electric capacity C2, electric capacity C3, electric capacity C4, resistance R1, resistance R3, resistance R4, resistance R5, resistance R6 and photo resistance R7,
Electric capacity C3, the port 2 of 555 chips and computing are connected between the port 2 of 555 described chips and the output end of operational amplifier A
Resistance R3 and switch S, the input in the same direction and output end of operational amplifier A are sequentially connected in series between amplifier A reverse input end
Between be sequentially connected in series electric capacity C2, transducer and photo resistance R7；Electric capacity is connected between the port 1 and port 6 of 555 described chips
C4, resistance R6 is connected between the port 4 and port 7 of 555 chips, diode D2 is connected between the port 3 and port 8 of 555 chips,
Relay J is connected between the port 1 and port 3 of 555 chips；Described relay J, bulb L and AC power Vi form closure
Loop；Resistance R1, the pole of bridge rectifier two are connected between the port 4 of the described bridge rectifier diode D chip of port 2 and 555
Telephone set is connected between pipe D port 1 and port 3, bridge rectifier diode D port 4 connects the port 1 of 555 chips；It is described
Resistance R5 be connected between the port 2 of 555 chips and port 4, resistance R4 is connected to the output end and 555 of operational amplifier A
Between the port 4 of chip.
Switch S therein is as the touch-switch to be linked with handset offhook key switch, and photo resistance R7 is distinguishing
Daytime and night, telephone wire is also connected with bridge rectifier diode D port 1 and port 3.On daytime, the resistance of photo resistance
Value is smaller, and telephone lamp does not work, and the resistance of photo resistance is larger at night, and S closures are switched when making a phone call at night, after off-hook to be made
The strong set of 555 chips, the port 3 of 555 chips export high level, and relay J adhesive bulbs L is bright, and S is switched after on-hook and is disconnected, and 555
Chip reset, bulb L automatic distinguishings.When sending a telegram here at night, transducer is shaken by incoming ring tone produces AC signal, through computing
Amplifier A shapings are enlarged into pulse and go to trigger 555 chips output high level, and bulb is bright, if off-hook ring can not stop completely, lamp
Self-extinguishment after being delayed 10 seconds, if off-hook receives calls, switch S, which is closed, makes the strong set of 555 chips, and lamp is bright until on-hook.The process
Without debugging, correct installation can be used, easy to use, be very suitable for night use.
Preferably, described resistance R2 is connected between the input in the same direction of operational amplifier A and the port 1 of 555 chips.
Preferably, the port 4 of 555 described chips and port 8 connect, and the port 6 and port 7 of 555 chips connect.
Preferably, diode D1 is connected between the port 4 and port 1 of 555 described chips, at diode D1 both ends simultaneously
Join electric capacity C1.Electric capacity C1 is used to filter the safety for ensureing amplifier and transducer power supply.Diode D1 setting is then to be used to protect
Amplifier and 555 chips are protected, avoid opposite direction voltage damage amplifier and 555 chips.
Preferably, described electric capacity C1, diode D1 and resistance R1 are all connected with pull-up power supply VCC.
Preferably, described bridge rectifier diode D port 4, electric capacity C1, resistance R2, resistance R3, photo resistance R7,
The port 1 of electric capacity C4 and 555 chips is grounded.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, this circuit is not used phone-line-powered but powered by providing external power source for oneself, ensures normal talking.
2nd, the present invention is very convenient is used in evening with phone, at night all can be from dynamic point during ring and off-hook
It is bright, the delay of 10 seconds is can guarantee that after lighting, to provide the lighting hours of abundance with telephone subscriber, and bell is had no on daytime and on-hook
Then turned off the light automatically during sound, without debugging, correct installation access is errorless to come into operation the circuit, simple and practical.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the present invention.
Embodiment
The present invention is further elaborated below in conjunction with the accompanying drawings, embodiments of the invention not limited to this.
Embodiment：
As shown in figure 1, the present invention includes 555 chips, bridge rectifier diode D, operational amplifier A, relay J, bulb
L, transducer, telephone set, switch S, diode D2, electric capacity C2, electric capacity C3, electric capacity C4, resistance R1, resistance R3, resistance R4, resistance
R5, resistance R6 and photo resistance R7, resistance R2 be connected to operational amplifier A input in the same direction and 555 chips port 1 it
Between, electric capacity C1, diode D1 and resistance R1 are all connected with pull-up power supply VCC, bridge rectifier diode D port 4, electric capacity C1, electricity
The port 1 for hindering R2, resistance R3, photo resistance R7, electric capacity C4 and 555 chips is grounded.
Electric capacity C3, the end of 555 chips are connected between the port 2 of 555 chips of the present invention and the output end of operational amplifier A
Resistance R3 and switch S, the input in the same direction of operational amplifier A are sequentially connected in series between mouth 2 and the reverse input end of operational amplifier A
Electric capacity C2, transducer and photo resistance R7 are sequentially connected in series between output end.The port 4 and port 8 of wherein 555 chips connect,
The port 6 and port 7 of 555 chips connect.Electric capacity C4,555 chips are connected between the port 1 and port 6 of 555 chips of the present invention
Port 4 and port 7 between connect resistance R6, between the port 3 and port 8 of 555 chips connect diode D2,555 chips
Relay J is connected between port 1 and port 3；Relay J, bulb L and AC power Vi form closed-loop path.The bridge of the present invention
Resistance R1, bridge rectifier diode D port 1 and end are connected between the port 4 of the formula commutation diode D chip of port 2 and 555
Telephone set is connected between mouth 3, bridge rectifier diode D port 4 connects the port 1 of 555 chips.The resistance R5 connections of the present invention
Between the port 2 of 555 chips and port 4, resistance R4 be connected to the output end of operational amplifier A and 555 chips port 4 it
Between.
Using external power source VCC power supplies are provided for oneself in this programme, not using phone-line-powered, ensure normal talking, simultaneously
For externally fed power supply VCC first pass through bridge rectifier diode D be converted into after DC voltage again give telephone set power supply, ensure that
The safety utilization of electric power of telephone set.Resistance R2, R3, R4, R5 and R6 are used for partial pressure protection operational amplifier and 555 chips.Electric capacity C2 is used
Ensure the safety of amplifier and transducer power supply in filtering.Diode D2 setting is then to be used for guard amplifier and 555 chips,
Avoid opposite direction voltage damage amplifier and 555 chips.
Switch S therein is as the touch-switch to be linked with handset offhook key switch, and photo resistance R7 is distinguishing
Daytime and night, telephone wire is also connected with bridge rectifier diode D port 1 and port 3.On daytime, the resistance of photo resistance
Value is smaller, and telephone lamp does not work, and the resistance of photo resistance is larger at night, and S closures are switched when making a phone call at night, after off-hook to be made
The strong set of 555 chips, the port 3 of 555 chips export high level, and relay J adhesive bulbs L is bright, and S is switched after on-hook and is disconnected, and 555
Chip reset, bulb L automatic distinguishings.When sending a telegram here at night, transducer is shaken by incoming ring tone produces AC signal, through computing
Amplifier A shapings are enlarged into pulse and go to trigger 555 chips output high level, and bulb is bright, if off-hook ring can not stop completely, lamp
Self-extinguishment after being delayed 10 seconds, if off-hook receives calls, switch S, which is closed, makes the strong set of 555 chips, and lamp is bright until on-hook.The process
Without debugging, correct installation can be used, easy to use, be very suitable for night use.
Embodiment 2：
The present embodiment is preferably as follows on the basis of embodiment 1：Diode is connected between the port 4 and port 1 of 555 chips
D1, in diode D1 both ends shunt capacitance C1.Electric capacity C1 is used to filter the safety for ensureing amplifier and transducer power supply.Two poles
Pipe D1 setting is then to be used for guard amplifier and 555 chips, avoids opposite direction voltage damage amplifier and 555 chips.
The invention can be realized as described above.
Claims (6)
1. suitable for the phone circuit for lamp of night call, it is characterised in that：Including 555 chips, bridge rectifier diode D, computing
Amplifier A, relay J, bulb L, transducer, telephone set, switch S, diode D2, electric capacity C2, electric capacity C3, electric capacity C4, resistance
R1, resistance R3, resistance R4, resistance R5, resistance R6 and photo resistance R7, the port 2 of 555 described chips and operational amplifier A
Output end between connect electric capacity C3, be sequentially connected in series electricity between the port 2 of 555 chips and the reverse input end of operational amplifier A
R3 and switch S are hindered, electric capacity C2, transducer and photosensitive electricity are sequentially connected in series between the input in the same direction and output end of operational amplifier A
Hinder R7；Electric capacity C4 is connected between the port 1 and port 6 of 555 described chips, is connected between the port 4 and port 7 of 555 chips
Resistance R6, between the port 3 and port 8 of 555 chips connect diode D2, between the port 1 and port 3 of 555 chips connection after
Electrical equipment J；Described relay J, bulb L and AC power Vi form closed-loop path；Described bridge rectifier diode D port
Resistance R1 is connected between the port 4 of 2 and 555 chips, telephone set is connected between bridge rectifier diode D port 1 and port 3,
Bridge rectifier diode D port 4 connects the port 1 of 555 chips；Described resistance R5 is connected to the port 2 and end of 555 chips
Between mouth 4, resistance R4 is connected between the output end of operational amplifier A and the port 4 of 555 chips.
2. the phone circuit for lamp according to claim 1 suitable for night call, it is characterised in that：Described resistance R2 connects
It is connected between the input in the same direction of operational amplifier A and the port 1 of 555 chips.
3. the phone circuit for lamp according to claim 1 suitable for night call, it is characterised in that：555 described chips
Port 4 and port 8 connect, the port 6 and port 7 of 555 chips connect.
4. the phone circuit for lamp according to claim 3 suitable for night call, it is characterised in that：555 described chips
Port 4 and port 1 between connect diode D1, in diode D1 both ends shunt capacitance C1.
5. the phone circuit for lamp according to claim 4 suitable for night call, it is characterised in that：Described electric capacity C1,
Diode D1 and resistance R1 are all connected with pull-up power supply VCC.
6. the phone circuit for lamp according to claim 1 suitable for night call, it is characterised in that：Described bridge rectifier
Diode D port 4, electric capacity C1, resistance R2, resistance R3, photo resistance R7, the port 1 of electric capacity C4 and 555 chips are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716176.0A CN107396520A (en) | 2017-08-21 | 2017-08-21 | Suitable for the phone circuit for lamp of night call |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716176.0A CN107396520A (en) | 2017-08-21 | 2017-08-21 | Suitable for the phone circuit for lamp of night call |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107396520A true CN107396520A (en) | 2017-11-24 |
Family
ID=60353522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710716176.0A Withdrawn CN107396520A (en) | 2017-08-21 | 2017-08-21 | Suitable for the phone circuit for lamp of night call |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107396520A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480817A (en) * | 2010-11-22 | 2012-05-30 | 张海艇 | Light switch device controlled by telephone |
| CN203504850U (en) * | 2013-10-25 | 2014-03-26 | 成都中阔科技有限责任公司 | Night lamp for telephone |
-
2017
- 2017-08-21 CN CN201710716176.0A patent/CN107396520A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480817A (en) * | 2010-11-22 | 2012-05-30 | 张海艇 | Light switch device controlled by telephone |
| CN203504850U (en) * | 2013-10-25 | 2014-03-26 | 成都中阔科技有限责任公司 | Night lamp for telephone |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171124 |
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| WW01 | Invention patent application withdrawn after publication |