CN102170500B - Remote monitoring device of fixed telephone - Google Patents
Remote monitoring device of fixed telephone Download PDFInfo
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- CN102170500B CN102170500B CN201110069990.0A CN201110069990A CN102170500B CN 102170500 B CN102170500 B CN 102170500B CN 201110069990 A CN201110069990 A CN 201110069990A CN 102170500 B CN102170500 B CN 102170500B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 10
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 20
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 claims description 6
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 claims description 6
- 102100021133 Nuclear protein 1 Human genes 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004891 communication Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229940074869 marquis Drugs 0.000 description 2
- VBUNOIXRZNJNAD-UHFFFAOYSA-N ponazuril Chemical compound CC1=CC(N2C(N(C)C(=O)NC2=O)=O)=CC=C1OC1=CC=C(S(=O)(=O)C(F)(F)F)C=C1 VBUNOIXRZNJNAD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention belongs to the field of electronic technologies and communication technologies and relates to a remote monitoring device of a fixed telephone. The device comprises the fixed telephone, an electret condenser microphone, a double-pole-double-throw switch, a 12V direct current power supply, a one-way silicon controlled rectifier control and trigger circuit and a time delay and control circuit, and is characterized in that the load of a one-way silicon controlled rectifier VS in the one-way silicon controlled rectifier control and trigger circuit is a relay K1, the trigger circuit is connected with one end, used for outputting a ringing signal, of the fixed telephone through a germanium diode D1, an NE555 time-based circuit is utilized as an integrated circuit in the time delay and control circuit, and a direct current relay K2 is utilized as a control element. Monitoring telephones with multiple functions on the market are expensive in price and difficult to be accepted by general wage-earners. By adopting the remote monitoring device of the fixed telephone, all sound of movements at home can be immediately monitored as long as a user calls the fixed telephone at home when the user is not at home. The circuit of the device is simple, the manufacturing cost is low, and the device is very applicable to batch development.
Description
Technical field
The invention belongs to electronic technology and communication technique field, relate to a kind of landline telephone remote monitoring device.
Background technology
On market, telephone set miscellaneous emerges in an endless stream, and has remote videophone, Automatic alarm telephone, the phone that can surf the web ... but these Novel telephones are expensive, general wage-earners are difficult to bear.
If family telephone set is loaded onto this device of the present invention, just can realize the function of landline telephone remote monitoring.Marquis when unmanned in you are away from home house, if worried to the safety of family, as long as you dial the landline telephone in family, there are all sounds of movement and could listen to immediately in family, can remove your trouble and worry!
It is simple that this device has circuit, all uses common components and parts, and cost of manufacture only needs tens yuan, is well suited for exploitation in batches, is also suitable for the function novel telephone that exploitation has remote monitoring.
Through kinds of schemes test, relatively and analyze, the present invention only uses a small amount of common discrete component, has realized that circuit structure is simple, cost is low, the designing requirement such as effective, reliable working performance.
Below describe related relevant technologies in this landline telephone remote monitoring device making in detail.
Summary of the invention
Goal of the invention and beneficial effect: on market, have monitoring, the monitoring phone machine of several functions, but these Novel telephones are expensive, general wage-earners are difficult to bear.This telephone monitoring device of the present invention, has realized the function of landline telephone remote monitoring.Marquis when unmanned in you are away from home house, as long as you dial the landline telephone in family, there are all sounds of movement and could listen to immediately in family, can remove your trouble and worry! It is simple that this device has circuit, all uses common components and parts, and cost of manufacture is low, is well suited for exploitation in batches, is also suitable for the novel telephone that exploitation has remote monitoring function.
Technical characterictic: landline telephone remote monitoring device is comprised of fixed telephone, electret capacitor microphone, double-point double-throw switch S, 12V DC power supply, one-way SCR control and circuits for triggering, time delay and control circuit, it is characterized in that: in one-way SCR control and circuits for triggering thereof, the load of one-way SCR VS is direct current relay K1, circuits for triggering are by germanium diode D1, to connect one end of fixed telephone bell signal output, integrated circuit in time delay and control circuit is selected NE555 time-base circuit (IC1), and control element is used direct current relay K2.
Annexation in each several part the electric circuit constitute and circuit between components and parts
The output of electret capacitor microphone respectively and connect with landline telephone cleaner handgrip in microphone cord.
Public pin in double-point double-throw switch S1-1 is COM1, public pin COM1 connects fixed contact in direct current relay K1 normally opened contact K1-1 and the fixed contact in direct current relay K2 normally-closed contact K2-1, other 2 pin in double-point double-throw switch S1-1 are respectively OFF1 end and ON1 end, the positive pole of ON1 termination 12V DC power supply; Public pin COM2 in double-point double-throw switch S1-2 connects loud speaker BL one end, in double-point double-throw switch S1-2, other 2 pin are respectively OFF2 end and ON2 end, the other end of loud speaker BL answer the call one end and the circuit ground GND of power ringing output, another termination OFF2 end of ringing telephone stations output and the positive pole of germanium diode D1.
One-way SCR is controlled and circuits for triggering: the negative pole of germanium diode D1 connects the control utmost point of one-way SCR VS, the anode of one-way SCR VS connects one end of direct current relay K1 coil, the moving contact of another termination direct current relay K2 normally-closed contact K2-1 of direct current relay K1 coil, the negative electrode connection circuit ground GND of one-way SCR VS.
Time delay and control circuit: by NE555 time-base circuit (IC1), timing capacitor C1, potentiometer RP1, capacitor C 2, direct current relay K2, silicon rectifier diode D2 forms, 2 pin of NE555 time-base circuit (IC1) and 6 pin are with the negative pole that meets timing capacitor C1, potentiometer RP1 one end, 1 pin of the intermediate active arm of the other end of potentiometer RP1 and potentiometer RP1 and NE555 time-base circuit (IC1) is with connection circuit ground GND, 4 pin of the positive pole of timing capacitor C1 and NE555 time-base circuit (IC1) and 8 pin are with the anodal VCC of connection circuit, 5 pin of NE555 time-base circuit (IC1) meet connection circuit ground GND after serial capacitors C2, 3 pin of NE555 time-base circuit (IC1) are with connecing one end of direct current relay K2 coil and the negative pole of rectifier diode D2, the other end of direct current relay K2 coil, the positive pole of rectifier diode D2 is connected with circuit ground GND, circuit anode VCC connects the moving contact in direct current relay K1 normally opened contact K1-2, and the fixed contact in normally opened contact K1-2 meets the public pin COM1 in double-point double-throw switch S1-1.
Circuit working principle and using method: after the landline telephone in putting through house, bell signal is through germanium diode D1 rectification, trigger one-way SCR VS conducting, make direct current relay K1 obtain electric work, in relay K 1, normally opened contact K1-1 is closed, telephone set is by off-hook, electret capacitor microphone MIC starts working, your various sound of movement sound in just can listening and getting home, in direct current relay K1, normally opened contact K1-2 is also closed simultaneously, the delay circuit being comprised of NE555 obtains electric work, now 3 pin of NE555 are exported electronegative potentials, direct current relay K2 maintains release, time delay through a few minutes, the 3 pin output high potentials of NE555, direct current relay K2 obtains electric work, its normally-closed contact K2-1 is disconnected, direct current relay K1 power-off discharges, its normally opened contact K1-1 disconnects, telephone set on-hook, the normally opened contact K1-2 of direct current K1 disconnects, cause again delay circuit power-off, direct current relay K2 power-off is released, its normally-closed contact K2-1 adhesive, whole circuit reset, wait outside line is dialled next time.
When double-point double-throw switch is placed in “OFF” position, S1-1 disconnects 12V DC power supply, and S1-2 connects the loud speaker in telephone set simultaneously, does not affect the normal use of telephone set.
When double-point double-throw switch is placed in “ON” position, S1-1 connects 12V DC power supply, and circuit obtains electric starting working, and LED 1 is lit, and disconnects the loud speaker BL in telephone set by S1-2 simultaneously.
Accompanying drawing explanation
Accompanying drawing is the circuit working schematic diagram of an embodiment of landline telephone remote monitoring device provided by the invention.
Being combined by 2 groups of single-pole double-throw switch (SPDT)s for double-point double-throw switch in accompanying drawing, that is: S1-1, S1-2, for the break-make of the external 12V DC power supply of Synchronization Control and boombox.
Normally opened contact K1-1 in direct current relay K1 in accompanying drawing in telephone set is directly attempted by the Liang Ge contact of telephone hook switch.
Loud speaker BL in accompanying drawing is the original boombox of telephone set.
Embodiment
Specification requirement according to the components and parts of the circuit working schematic diagram of landline telephone remote monitoring device shown in the drawings and accompanying drawing explanation and the following stated is implemented, and can realize the present invention.
The selection of components and parts and technical parameter thereof
IC1 is time-base integrated circuit, and proposed model is NE555;
VS is one-way SCR, the optional MCR100-6 of model;
D1 is rectifier diode, for reducing the pressure drop producing because of rectification, should select the germanium diode of the models such as 2AP10;
Diode D2 is that protective circuit is established, and can select the rectifier diode of silicon materials, as: 1N4001;
LED1 is light-emitting diode, for off hook state, indicates;
MIC is microphone, should select the electret capacitor microphone of two lead-out terminals;
The resistance of resistance R 1 is 1.8K Ω, and the resistance of potentiometer RP1 is 2.2M Ω;
C1 is electrochemical capacitor, and its capacity is 220 μ F, and C2 is that its capacity of ordinary polyester is 0.01 μ F;
Direct current relay K1 is used 2 groups of normally opened contact K1-1, K1-2, and model is JRXB-1;
Direct current relay K2 is used 1 group of normally-closed contact, and model is HG4098;
Double-point double-throw switch is combined by 2 groups of synchronous single-pole double-throw switch (SPDT)s, that is: S1-1, S1-2, for the break-make of the external 12V DC power supply of Synchronization Control and boombox;
12V DC power supply can be selected 12V stabilized voltage power supply, also can select common 12V rectifier power source.
Manufacture method: the circuit board of landline telephone remote monitoring device, because of small volume, can directly be fixed on the inside of telephone set.Before telephone set or the appropriate location of side bore a ￠ 3mm aperture, an electret capacitor microphone MIC is inside installed, its 2 lead-in wires are directly in parallel with the microphone cord in Telephone handset, the normally opened contact K1-1 of direct current relay K1 is connected in parallel on 2 contacts of hook switch of telephone set, 1 double-point double-throw switch is installed in telephone set side, for the through and off of the external 12V DC power supply of Synchronization Control and boombox.
Circuit debugging: when making the circuit of landline telephone remote monitoring device, as long as the electronic devices and components performance of selecting is intact, and the components and parts annexation in accompanying drawing is welded to specifications, physical connection line and welding quality are after careful inspection is correct, and circuit does not need debugging just can work substantially.
If desired extend the listening period after each dialing, can increase by adjustment the resistance of potentiometer RP1, or suitably increase the capacity of electrochemical capacitor C1.
Claims (1)
1. a landline telephone remote monitoring device, by fixed telephone, electret capacitor microphone, double-point double-throw switch S, 12V DC power supply, one-way SCR control and circuits for triggering, time delay and control circuit, formed, it is characterized in that: in one-way SCR control and circuits for triggering thereof, the load of one-way SCR VS is direct current relay K1, circuits for triggering are by germanium diode D1, to connect one end of fixed telephone bell signal output, integrated circuit in time delay and control circuit is selected NE555 time-base circuit (IC1), and control element is used direct current relay K2;
After putting through landline telephone, bell signal is through germanium diode D1 rectification, trigger one-way SCR VS conducting, make direct current relay K1 obtain electric work, in relay K 1, normally opened contact K1-1 is closed, telephone set is by off-hook, electret capacitor microphone MIC starts working, in direct current relay K1, normally opened contact K1-2 is also closed simultaneously, the delay circuit being comprised of NE555 time-base circuit (IC1) obtains electric work, now 3 pin of NE555 time-base circuit (IC1) are exported electronegative potentials, direct current relay K2 maintains release, through a few minutes time delay, 3 pin output high potentials of NE555 time-base circuit (IC1), direct current relay K2 obtains electric work, its normally-closed contact K2-1 is disconnected, direct current relay K1 power-off discharges, its normally opened contact K1-1 disconnects, telephone set on-hook, the normally opened contact K1-2 of direct current K1 disconnects, cause again delay circuit power-off, direct current relay K2 power-off is released, its normally-closed contact K2-1 adhesive, whole circuit reset, wait outside line is dialled next time,
When double-point double-throw switch S is placed in “OFF” position, double-point double-throw switch S single-pole double-throw switch (SPDT) S1-1 disconnects 12V DC power supply, and double-point double-throw switch S single-pole double-throw switch (SPDT) S1-2 connects the loud speaker in telephone set simultaneously, does not affect the normal use of telephone set; When double-point double-throw switch S is placed in “ON” position, double-point double-throw switch S single-pole double-throw switch (SPDT) S1-1 connects 12V DC power supply, circuit obtains electric starting working, and LED 1 is lit, and disconnects the loud speaker BL in telephone set by double-point double-throw switch S single-pole double-throw switch (SPDT) S1-2 simultaneously;
The output of described electret capacitor microphone is connected to respectively the microphone cord in landline telephone cleaner handgrip;
Public pin in the single-pole double-throw switch (SPDT) S1-1 of described double-point double-throw switch S is COM1, public pin COM1 connects fixed contact in direct current relay K1 normally opened contact K1-1 and the fixed contact in direct current relay K2 normally-closed contact K2-1, in the single-pole double-throw switch (SPDT) S1-1 of double-point double-throw switch S, other 2 pin are respectively OFF1 end and ON1 end, the positive pole of ON1 termination 12V DC power supply; Public pin COM2 in the single-pole double-throw switch (SPDT) S1-2 of double-point double-throw switch S connects described landline telephone on-board speaker BL one end, in the single-pole double-throw switch (SPDT) S1-2 of double-point double-throw switch S, other 2 pin are respectively OFF2 end and ON2 end, the other end of described landline telephone on-board speaker BL answer the call one end and the circuit ground GND of power ringing output, another termination OFF2 end of ringing telephone stations output and the positive pole of germanium diode D1;
In described one-way SCR control and circuits for triggering thereof, the negative pole of germanium diode D1 connects the control utmost point of one-way SCR VS, the anode of one-way SCR VS connects one end of direct current relay K1 coil, the moving contact of another termination direct current relay K2 normally-closed contact K2-1 of direct current relay K1 coil, the negative electrode connection circuit ground GND of one-way SCR VS;
Described time delay and control circuit are by NE555 time-base circuit (IC1), timing capacitor C1, potentiometer RP1, capacitor C 2, direct current relay K2, silicon rectifier diode D2 forms, 2 pin of NE555 time-base circuit (IC1) and 6 pin connect the negative pole of timing capacitor C1, potentiometer RP1 one end, 1 pin connection circuit ground GND of the intermediate active arm of the other end of potentiometer RP1 and potentiometer RP1 and NE555 time-base circuit (IC1), the anodal VCC of 4 pin of the positive pole of timing capacitor C1 and NE555 time-base circuit (IC1) and 8 pin connection circuits, the rear connection circuit of the 5 pin serial connection capacitor C 2 ground GND of NE555 time-base circuit (IC1), 3 pin of NE555 time-base circuit (IC1) connect one end of direct current relay K2 coil and the negative pole of rectifier diode D2, the other end of direct current relay K2 coil, the positive pole of rectifier diode D2 is connected with circuit ground GND, circuit anode VCC connects the moving contact in direct current relay K1 normally opened contact K1-2, and the fixed contact in normally opened contact K1-2 meets public pin COM1 in the single-pole double-throw switch (SPDT) S1-1 of double-point double-throw switch S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069990.0A CN102170500B (en) | 2011-03-23 | 2011-03-23 | Remote monitoring device of fixed telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110069990.0A CN102170500B (en) | 2011-03-23 | 2011-03-23 | Remote monitoring device of fixed telephone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102170500A CN102170500A (en) | 2011-08-31 |
| CN102170500B true CN102170500B (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110069990.0A Active CN102170500B (en) | 2011-03-23 | 2011-03-23 | Remote monitoring device of fixed telephone |
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| CN (1) | CN102170500B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795825A (en) * | 2012-10-31 | 2014-05-14 | 四川九鼎数码科技有限公司 | Simple telephone antitheft sound monitor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88210765U (en) * | 1988-01-30 | 1988-11-09 | 时军 | Auto language warning device by telephone |
| CN2156633Y (en) * | 1992-12-11 | 1994-02-16 | 张志彬 | Converting telephone |
| CN1177244A (en) * | 1996-09-17 | 1998-03-25 | 田建华 | Secret, counter-wiretap, double direction telephone automatically monitoring recording circuit |
-
2011
- 2011-03-23 CN CN201110069990.0A patent/CN102170500B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88210765U (en) * | 1988-01-30 | 1988-11-09 | 时军 | Auto language warning device by telephone |
| CN2156633Y (en) * | 1992-12-11 | 1994-02-16 | 张志彬 | Converting telephone |
| CN1177244A (en) * | 1996-09-17 | 1998-03-25 | 田建华 | Secret, counter-wiretap, double direction telephone automatically monitoring recording circuit |
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| Publication number | Publication date |
|---|---|
| CN102170500A (en) | 2011-08-31 |
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Owner name: HUANG YUEHUA Free format text: FORMER OWNER: ZHU HONG Effective date: 20131129 |
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Effective date of registration: 20131129 Address after: Strong economic development zone Street 233000 No. 146 Anhui Bengbu city (Mount Huangshan south tea) Applicant after: Huang Yuehua Address before: 94 box 1-3-401, 233000 Sports Road, Anhui, Bengbu Applicant before: Zhu Hong |
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Effective date of registration: 20160111 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Xinxiang Power Supply Company, State Grid Henan Electric Power Company Address before: Strong economic development zone Street 233000 No. 146 Anhui Bengbu city (Mount Huangshan south tea) Patentee before: Huang Yuehua |