CN1119806A - TV intercom safety system network by using electric bell calling line-breaking or line-monitoring-testing - Google Patents
TV intercom safety system network by using electric bell calling line-breaking or line-monitoring-testing Download PDFInfo
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- CN1119806A CN1119806A CN 94103866 CN94103866A CN1119806A CN 1119806 A CN1119806 A CN 1119806A CN 94103866 CN94103866 CN 94103866 CN 94103866 A CN94103866 A CN 94103866A CN 1119806 A CN1119806 A CN 1119806A
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Abstract
The present invention relates to a TV intercom safety system network using brekage of bell calling line to make detection. A safety system circuit is connected to the bell calling line between the door machine and extensions of the intercom, and a sensing circuit is installed at the extension end, when an abnormal state is detected by the sensing circuit, the normally-on switch on the bell calling line can be switched out instantaneously so as to make the safety system automatically give out the alarm to the related department.
Description
The present invention relates to a kind of intervideo safety system network that utilizes the detecting of electric bell call circuit broken string, it is on the doorway machine of intervideo system and the electric bell call circuit between extension set, connect a safety system circuit, and in end of extension installing sense line, when the sense line of end of extension detects abnormality, Live switch instantaneous trip on the military order electric bell call circuit, make the safety system circuit detect the electric bell call circuit when opening circuit situation, automatic phasing closes unit and gives the alarm, so the present invention is destroyed and when cutting off, also can bring into play system security function at the electric bell call circuit.
By the present invention, only must on known electric bell calling line, meet a secure line system, can monitor the on-site safe condition of each extension set.The setting of safety system network is easier, and cost is lower, can overcome many shortcomings such as known safety system network complex circuit and cost height.
For safeguarding safety such as building, apartment or integrated mill, to general building, apartment or integrated mill, how can install safety system network, and this class safety system network mostly is individual wired, the networking configuration is higher than complexity and cost.
In addition, in general building, apartment or the integrated mill, per unit is equipped with the extension set of intercom, the intercom extension set of constituent parts and the doorway machine of intercom are a complete networking, if can effectively utilize this networking as safety system network, then not only can reduce the networking distribution of safety system, more can significantly reduce cost.
Because known safe network system has above-mentioned shortcoming and suddenly must improve part, the inventor improves after deliberation, and the beginning is made the present invention.
Therefore, main purpose of the present invention promptly is to provide a kind of intervideo safety system network that utilizes the detecting of electric bell call circuit broken string, according to this safety system network of the present invention, on the doorway machine of intervideo system and the electric bell call circuit between extension set, connect a safety system circuit, and in end of extension installing sense line, when the sense line of end of extension detects abnormality (as fire, deathwatch or gas leakage etc.) time, even the Live switch instantaneous trip on the electric bell call circuit, the safety system circuit is detecting the opening circuit during situation of electric bell call circuit, the control centre of safety system just demonstrates resident family or the unit that anomaly takes place, and makes the finder be handled immediately or to give the alarm and notifies relevant unit.
By the present invention, only must on known electric bell calling line, meet a secure line system, can monitor the on-site safe condition of each extension set.This safety system network setting is easier, and cost is lower, can overcome many shortcomings such as known safety system network complex circuit and cost height.
Secondary objective of the present invention is to provide a kind of intervideo safety system network that utilizes the detecting of electric bell call circuit broken string, according to this safety system network of the present invention, when the electric bell calling line is destroyed by the ruffian and cuts off, safety system also can detect its broken string state in good time, and the startup safety alarm device, reason electric bell call circuit is not cut off and whole system is paralysed.
Detailed construction of the present invention, application principle, effect and effect with reference to the following explanation that accompanying drawing is done, can be understood fully.
Fig. 1 is that safe networking of the present invention system line is arranged schematic diagram.
Fig. 2 is that the circuit of intercom end of extension of the present invention is arranged schematic diagram.
Fig. 3 is that the circuit of safety system main frame of the present invention is arranged schematic diagram.
With reference to Fig. 1, the intervideo safety system network of electric bell call circuit broken string detecting that utilizes of the present invention mainly includes: circuits such as device such as doorway machine 11, exchange 15, extension set 13, safety system main frame 16, power supply unit 17 and electric bell call circuit 12, conllinear 14; Wherein 13 in doorway machine 11 and extension set are connected by electric bell call circuit 12 so that signal do doorway machine 11 to extension set 13 and extension set 13 to two-way transmission such as doorway machine 11; Exchange 15 connects electric bell call circuit 12 with separated time 15B simultaneously, and safety system main frame 16 connects electric bell call circuit 12 with separated time 16B, thereby supervision and acceptance are from the signal of electric bell call circuit 12.
Have, 13 in doorway machine 11 and extension set are provided with a conllinear 14 again, and conllinear 14 borrows separated time 17A to receive on the power supply unit 17, to accept the power supply power supply from power supply unit 17.Also contain in the conllinear 14 telephone wire (as speaking wire, power line, the line of unblanking, and other holding wires etc.), circuit such as television antenna, make extension set 13 sides can utilize each circuit in this conllinear to reach to open the door, purposes such as conversation and video signal reception.In addition, conllinear 14 is borrowed separated time 15A connecting bus 15, and borrows separated time 16A attachment security system host 16, with the driving power of supply bus 15 and safety system main frame 16, and by this conllinear extension set and exchange is conversed; Again, power supply unit 17 ends are provided with an electric lock 18, so as to controlling the opening of big door switch (or electric lock).
With reference to Fig. 2, Fig. 2 is that the circuit of extension set 13 sides is arranged schematic diagram.Be provided with a sense line 131 in extension set 13 sides, but this sense line sensing extension set unit one belongs to such as abnormalities such as fire, deathwatch or gas leakages.Sense line 131 connects an audio and produces integrated circuit (IC) 132, a sound amplifying circuit 133 and a sound-producing device 134.When sense line 131 detects when unusual, can be to the alarm of sounding of the resident family at extension set 13 places or unit; In addition, sound amplifying circuit 133 also connects a sound rectifying circuit 135, and this sound rectifying circuit connects a normal opened type electronic switch 136 again.When sense line 131 detects when unusual, produce the voice signal that IC132 produced by audio, through the processing of sound amplifying circuit 133 and sound rectifying circuit 135, produce the signal that may command normal opened type electronic switch 136 cuts out, close this normal opened type electronic switch.
In addition, normal opened type electronic switch 136 is also received on the electric bell call circuit 12.One end of normal opened type electronic switch 136 is received doorbell sound again and is produced on the circuit 137, and this doorbell sound produces circuit and is connected with intervideo 138.Conllinear 14 also is connected with intervideo 138, with supply intervideo 138 power supplys and TV, conversation and unlocking signal, and conversation signal, unlocking signal.
With reference to Fig. 3, separated time 16B is connected between electric bell call circuit 12 and the safety system main frame 16, after signal enters safety system main frame 16, safety system main frame 16 is just carried out broken string detecting 161, signal shaping 162, family number indication 163 and signal damping 164 supervisors continuously, through after these programs, produce IC166 and sound-producing device 167 circuits through delay circuit 165, audio again; That is when broken string takes place in electric bell call circuit 12, safety system main frame 16 will detect the broken string situation from separated time 16B, and disconnection signal is amplified through shaping, relevant unit such as exchange or caretaker room are demonstrated the family number that disaster takes place, and on one side disconnection signal is cushioned, postpone through delay circuit 165 again and audio produces IC166 and produces audio, so that borrow sound-producing device 167 to give the alarm to relevant unit such as exchange or caretaker room.
In addition, the circuit in the safety system main frame 16 is in parallel, and a family disaster takes place can show, many families disaster take place also can show, can reach multiple supervision effect.
Have, separated time 16A is connected to the power supply of conllinear 14 on the power source supply end 168 of safety system main frame 16 again, to supply with the power supply that safety system main frame 16 uses.
As above-mentioned the present invention's structure, sense when unusual when extension set 13 end generation abnormalities and by sense line 131, sense line 131 promptly transmits a signal to audio and produces IC132, audio produces IC132 and then produces a guide sound tone signal to sound amplifying circuit 133, sound amplifying circuit 133 borrows generating means 134 to give the alarm on one side, this guide sound tone signal is given rectification by sound rectifying circuit 135 on one side, remove to control normal opened type electronic switch 136 with this guide sound tone signal and moment broken string state occurs, so, can spread out of disconnection signal on the one hand, can avoid to use intervideo 138 on the one hand because of broken string.
And when safety system main frame 16 ends by separated time 16B when electric bell call circuit 12 senses the broken string state, just on one side show the family number that disaster takes place to units concerned such as exchange or caretaker room, by delay circuit 165, audio produce IC166 and sound-producing device 167 give the alarm on one side.
In sum, the electric bell call circuit broken string that utilizes of the present invention is detectd the intervideo safety system network of side, has effects such as being provided with easily and can significantly saving cost really.
The above only is the present invention's one preferred embodiment, and all any changes of doing according to spirit of the present invention all should be within the scope of the invention.
Claims (3)
1. intervideo safety system network that utilizes the broken string detecting of electric bell call circuit, it is characterized in that, on the doorway machine and the electric bell call circuit between each extension set of described intervideo, be connected to the safety system host line, and be overlapped with the main frame of power line in the conllinear between described doorway machine and extension set to safety system, operating power with supply safety system main frame, and in each end of extension installing sense line, make it when the sense line of described end of extension senses abnormality, send a signal with Live switch instantaneous trip set on the electric bell call circuit, when described safety system host line senses electric bell call circuit generation moment broken string state, this safety system main frame promptly starts alarm device automatically, makes relevant unit learn the generation of abnormality.
2. the intervideo safety system network that utilizes the detecting of electric bell call circuit broken string as claimed in claim 1, it is characterized in that, the set sense line of described end of extension is connected to audio and produces IC, this audio produces IC and connects the sound amplifying circuit, this sound amplifying circuit output one end connects sound-producing device, one end connects the normal opened type electronic switch, this normal opened type electronic switch input is connected again on the electric bell call circuit, and this normal opened type electronic switch output connects doorbell sound generation circuit, and doorbell sound produces circuit and then connects intercom.
3. the intervideo safety system network that utilizes the detecting of electric bell call circuit broken string as claimed in claim 1, it is characterized in that, described safety system host side is provided with broken string detecting circuit, this broken string detecting circuit is connected with described electric bell call circuit, and be connected to devices such as signal shaping, family number indication and signal damping, through these devices the disconnection signal that is detected is transported to a delay circuit, this delay circuit is connected to audio again and produces on IC and the sound-producing device, to produce the alarm audio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94103866 CN1119806A (en) | 1994-05-07 | 1994-05-07 | TV intercom safety system network by using electric bell calling line-breaking or line-monitoring-testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94103866 CN1119806A (en) | 1994-05-07 | 1994-05-07 | TV intercom safety system network by using electric bell calling line-breaking or line-monitoring-testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1119806A true CN1119806A (en) | 1996-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94103866 Pending CN1119806A (en) | 1994-05-07 | 1994-05-07 | TV intercom safety system network by using electric bell calling line-breaking or line-monitoring-testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1119806A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152807A (en) * | 2018-11-08 | 2020-05-15 | 纳博特斯克有限公司 | Notification device and door opening/closing device |
-
1994
- 1994-05-07 CN CN 94103866 patent/CN1119806A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111152807A (en) * | 2018-11-08 | 2020-05-15 | 纳博特斯克有限公司 | Notification device and door opening/closing device |
| CN111152807B (en) * | 2018-11-08 | 2021-12-21 | 纳博特斯克有限公司 | Notification device and door opening/closing device |
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