CN103888728A - Building video doorphone system and method - Google Patents
Building video doorphone system and method Download PDFInfo
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- CN103888728A CN103888728A CN201410091259.1A CN201410091259A CN103888728A CN 103888728 A CN103888728 A CN 103888728A CN 201410091259 A CN201410091259 A CN 201410091259A CN 103888728 A CN103888728 A CN 103888728A
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Abstract
The invention discloses a building video doorphone system and method. A doorphone of the system is connected with extension sets through an audio wire, a ground wire and a video wire. The extension sets are connected with power sources. The extension set which supplies power to the doorphone is the first extension set. After the audio wire is connected with a call key, the call key is grounded. After the audio wire is connected with a voltage detection circuit, the audio wire is connected with extension set micro-control units of the extension sets. The call key is connected with the audio line, when the call key is pressed, the voltage of the audio wire is changed, the voltage detection circuit detects the change of the voltage at this time and feeds back a detection result to the extension set micro-control units of the extension sets, and the first extension set supplies power to the doorphone, a video module is started, rings are given out, and a user is reminded to make a response.
Description
Technical field
The present invention relates to building talkback technical field, refer in particular to a kind of storied building visible intercommunication system and method thereof.
Background technology
The building visual intercommunication of traditional villa type is substantially all multiple-way system, at least needs power line, ground wire, video line, tone frequency channel wire and call circuit.Villa type storied building visible intercommunication system generally comprises doorway machine and indoor set, and indoor set is divided into main frame and extension set, is provided with main frame main control chip in main frame, by main frame main control chip main control system functional circuit; In extension set, be provided with extension set main control chip, by extension set governor circuit control extensions functional circuit, main frame and extension set are independently controlled functional circuit separately.While producing indoor set like this, need to make the hardware of main frame and extension set and distinguish, increase production cost; When user installation, also need main frame and extension set difference to install, increase difficulty; And this connected mode of doorway machine, main frame and extension set, wiring is complicated, increases cost; Meanwhile, the charged standby of doorway machine, energy consumption is large, not environmental protection.
Summary of the invention
Based on this, the invention reside in the defect that overcomes prior art, a kind of storied building visible intercommunication system and method thereof are provided, its mode of connection is simple, and can save system power consumption, improves system reliability.
Its technical scheme is as follows:
A kind of storied building visible intercommunication system, comprise doorway machine and at least one extension set, described doorway machine includes doorway machine micro-control unit, described extension set includes extension set micro-control unit, described doorway machine is connected with described extension set respectively by tone frequency channel wire, earth connection, video line, described extension set is connected with power supply, and described in one of them, extension set is extension set first to described doorway machine power supply, described tone frequency channel wire is connected with assignment key, and assignment key ground connection, and described tone frequency channel wire is connected with the extension set micro-control unit of described extension set after being connected with voltage detecting circuit.
Below further technical scheme is described:
Preferably, include multiple described extension sets, between described extension set, connect by data wire.
Preferably, described assignment key arranges near the first extension set place.
Preferably, described voltage detecting circuit comprises diode, triode and electric capacity, the positive pole of wherein said diode is connected with power supply with after resistance R 1 series connection, the collector electrode of described triode is connected with power supply after connecting with resistance R 2 and the collector electrode of triode is also connected with the extension set micro-control unit of extension set, the grounded emitter of described triode, and the emitter of triode and be connected with described electric capacity after be connected in series with the positive pole of described diode, the base stage of described triode and resistance R 3 the series connection afterwards positive pole of described diode are connected.
The present invention also provides a kind of building visual intercommunication method, and the method comprises:
Whether the voltage that voltage detecting circuit detects on tone frequency channel wire in real time changes, if voltage is unchanged, does not produce call signal, proceeds voltage detecting, if voltage changes, produces call signal, and enters next step;
Extension set micro-control unit starts video display module after receiving call signal, sends the tinkle of bells, and powers to doorway machine by extension set first simultaneously;
Extension set is raised, and extension set first is powered until receive on-hook signal to doorway machine.
Preferably, receive that call signal is sent to other extension set by the extension set of call signal, other extension set starts video display module, sends the tinkle of bells.
Preferably, user selects one of them extension set to carry machine for being carried machine, and the machine of being carried starts sound module, cuts out the tinkle of bells, and feeds back to other extension sets, and other extension sets are received and proposed the on-hook of machine signal.
Preferably, carried machine and doorway machine is carried out video intercom, in the time unblanking, carried machine transmission unlocking signal in to extension set first, this extension set first control doorway machine is unblanked.
Preferably, each extension set is numbered, inputs other extension set numbering at arbitrary number extension set, set up intercommunication relation.
Preferably, in the numbering of calling out extension set input called extension set, call out extension set micro-control unit and send request signal to called extension set, called extension set is opened sound module after receiving request signal, is sent the tinkle of bells, called extension set is carried machine, send answer signal, open sound module, call out extension set and called extension set suggestion intercommunication relation.
Below principle, the effect etc. of aforementioned techniques scheme are described:
1, assignment key is connected on described tone frequency channel wire, under ideal case, the voltage on tone frequency channel wire is high level; And in the time that assignment key is pressed, the voltage of tone frequency channel wire changes, and now detects after change in voltage by described voltage detecting circuit, testing result is fed back to the extension set micro-control unit of extension set, power to doorway machine by extension set first again, start video module and send the tinkle of bells; Adopt the four-wire system mode of connection, the mode of connection is simple, and by the first extension set control doorway machine, makes doorway machine not need charged standby, saves the energy.
Can encode to extension set by the menu of extension set voluntarily, in the time dispatching from the factory and install, not need extension set first and other extension sets to distinguish.
2, between extension set, connect by data wire, make can carry out communication by data wire between each extension set, realize information mutual communication; In the time that extension set first detects that assignment key is pressed, extension set first feeds back to other extension set by data wire by call signal, and other extension set is made actions such as starting video module, jingle bell; And when at other extension set for when being carried machine, recycle described data wire and notify other extension set on-hook, other extension set is proposed the on-hook of machine signal according to this, extension set first continued power to doorway machine, until receive on-hook signal.
3, in the time that user need to converse by another extension set of call extension, by the menu setecting called extension set of this extension set, call out extension set and receive after user's call instruction, the micro-control unit of calling out extension set sends request signal by data wire to called extension set, and called extension set is opened sound module after receiving call signal, send the tinkle of bells, and screen display is called out the extension number of extension set, carries after machine, and called extension set sends answer signal, open sound module, two extension sets of resident family are set up intercommunication.
Brief description of the drawings
Fig. 1 is the system schematic of the storied building visible intercommunication system described in the embodiment of the present invention;
Fig. 2 is the system layout of the storied building visible intercommunication system described in the embodiment of the present invention;
Fig. 3 is tone frequency channel wire described in the embodiment of the present invention and the circuit relationships figure of assignment key;
Fig. 4 is the circuit diagram of the voltage detecting circuit described in the embodiment of the present invention.
Description of reference numerals:
10, doorway machine, 12a, extension set first, 12b-12d, the second extension set-extension set tetra-, 14, tone frequency channel wire, 15, earth connection, 16, video line, 18, power supply, 19, power line, 20, assignment key, 22, data wire, D, diode, Q, triode, C electric capacity, R1-R3, resistance.
Embodiment
Below embodiments of the invention are elaborated:
As shown in Figures 1 and 2, a kind of storied building visible intercommunication system, comprises doorway machine 10 and at least one extension set, and described doorway machine 10 includes doorway machine micro-control unit, and described extension set includes extension set micro-control unit; Described doorway machine 10 is connected with described extension set respectively by tone frequency channel wire 14, earth connection 15, video line 16; Each extension set is connected with respectively a power supply 18, directly power by single power supply, wherein the first extension set 12a is connected by power line 19 with described doorway machine 10, powers to described doorway machine 10 by the first extension set 12a, thereby controls the operating state of doorway machine 10 by the first extension set 12a; Described tone frequency channel wire 14 is connected with assignment key 20, and assignment key 20 ground connection (as shown in Figure 3), after described tone frequency channel wire 14 is also connected with voltage detecting circuit, is connected with the extension set micro-control unit of described the first extension set 12a.
Wherein, by touch-call module, the sound module of doorway machine 10, be connected with the sound module of each extension set by tone frequency channel wire 14, and the sound module of each extension set is connected with voltage detection module; The camera module of doorway machine 10 is connected with the video display module of each extension set by video line 16.
After assignment key 20 is in series with a resistor, load on described tone frequency channel wire 14, the in the situation that of system standby, voltage on tone frequency channel wire 14 is high level, and in the time that assignment key 20 is pressed, assignment key 20 is switched on, due to one end ground connection of assignment key 20, so the voltage on tone frequency channel wire 14 can change, obtain after change in voltage and detect by voltage detecting circuit, testing result is fed back to the extension set micro-control unit of the first extension set 12a, power to doorway machine 10 by the first extension set 12a again, and start video module and send the tinkle of bells.
The present embodiment preferably arranges extension set 12a-12d, after described tone frequency channel wire 14 is connected with voltage detecting circuit, is connected with the extension set micro-control unit of each extension set 12a-12d, and each extension set can obtain the change in voltage on tone frequency channel wire 14; Complete after the installation of doorway machine 10 and the first extension set 12a to the four extension set 12d, can be numbered extension set by the menu of extension set, select from the nearest extension set of doorway machine 10 as the first extension set 12a, other extension sets are the second extension set 12b to the four extension set 12d, and described assignment key 20 arranges near the first extension set 12a place, the change in voltage of obtaining on the tone frequency channel wire that the first extension set 12a detects judges whether doorway machine 10 has call signal to produce, and avoids voltage through long electric wire and decay producing erroneous judgement.The first extension set 12a to the four extension set 12d structures are identical, can be voluntarily menu by extension set to the extension set differentiation of encoding, in the time dispatching from the factory and install, do not need the first extension set 12a and other extension sets to distinguish.
Between the first extension set 12a to the four extension set 12d, by data wire 22, the data transmit-receive module of each extension set is connected, realize the data sharing between each extension set.In the time that the first extension set 12a detects that assignment key is pressed (incoming signal), can notify other extension sets to have call signal incoming call by data transmit-receive module, other extension sets start video display module and send the tinkle of bells, and send answer signal to extension set first by data wire.In addition, in the time that user need to converse by another extension set of call extension, by the menu setecting called extension set of this extension set, calling out extension set receives after user's call instruction, the micro-control unit of calling out extension set sends request signal by data wire to called extension set, called extension set is opened sound module after receiving call signal, send the tinkle of bells, and screen display is called out the extension number of extension set, carry after machine, called extension set sends answer signal, opens sound module, and two extension sets of resident family are set up intercommunication.
As shown in Figure 4, described voltage detecting circuit comprises diode D, triode Q and capacitor C, the positive pole of wherein said diode D is connected with the power supply of extension set with after resistance R 1 series connection, the collector electrode of described triode Q is connected with power supply after connecting with resistance R 2 and the collector electrode of triode Q is also connected with the extension set micro-control unit of extension set, the grounded emitter of described triode, and the emitter of triode and be connected with described electric capacity after be connected in series with the positive pole of described diode D, the base stage of described triode Q and resistance R 3 the series connection afterwards positive pole of described diode are connected.In the time that assignment key 20 closes, supply voltage U is because shunting causes the lower voltage on tone frequency channel wire, extension set micro-control unit detects the signal of lower voltage, extension set micro-control unit starts video display module and sends the tinkle of bells afterwards, and the call information of doorway machine is issued to other extension sets by data wire, notify other extension sets start video display module and send the tinkle of bells.
A kind of building visual intercommunication method, the method comprises:
Whether the voltage that voltage detecting circuit detects on tone frequency channel wire in real time changes, if voltage is unchanged, does not produce call signal, proceeds voltage detecting, if voltage changes, produces call signal, and enters next step;
The extension set micro-control unit of extension set starts video display module after receiving call signal, sends the tinkle of bells, and powers to doorway machine by extension set first simultaneously;
Extension set is raised, and extension set first is powered until receive on-hook signal to doorway machine.
In the time that extension set has detected that call signal produces, just power to doorway machine by the first extension set 12a, make doorway machine when idle, can guarantee the state of standby.
Wherein, receive that call signal is sent to other extension set by the extension set of call signal, other extension set starts video display module, sends the tinkle of bells, and sends answer signal to the extension set of receiving calling by data wire.By the first extension set 12a, call signal is sent to the second extension set 12b to the four extension set 12d, the second extension set 12b to the four extension set 12d start respectively corresponding video display module and send the tinkle of bells.
Wherein, user selects one of them extension set to carry machine for being carried machine, and the machine of being carried starts sound module, cuts out the tinkle of bells, and feeds back to other extension sets, and other extension sets are received and proposed the on-hook of machine signal.Generally, user selects a certain extension set to carry machine nearby, for example select the second extension set 12b to carry machine, carry after machine, the second extension set 12b starts sound module, closes the tinkle of bells, machine information be will carry by data transmit-receive module simultaneously and the first extension set 12a, the 3rd extension set 12c and the 4th extension set 12d issued, the first extension set 12a, the 3rd extension set 12c and the 4th extension set 12d on-hook, stop jingle bell, and now the first extension set 12a continues to provide power supply to doorway machine 10.
Wherein, quilt is carried machine and doorway machine is carried out video intercom, and in the time unblanking, the machine of being carried sends unlocking signal to extension set first, and the first extension set control doorway machine is unblanked.When the second extension set 12b and doorway machine 10 are set up after video intercom relation, as needs are unblanked, the second extension set 12b sends unlocking signal to the first extension set 12a by data transmit-receive module, provide the voltage of unblanking to unblank by the first extension set 12a to doorway machine, the second extension set 12b on-hook, and sending on-hook signal to the first extension set 12a, the first extension set 12a stops powering to doorway machine 10.
Wherein, between described extension set, transmit data by data wire, realize sharing of data, each extension set is numbered, input arbitrary number extension set is set up intercommunication relation.In the time that calling extension set sends request signal by data transmit-receive module to appointment extension set, after appointment extension set is received request signal, open sound module, and send the tinkle of bells, its screen display is called out the extension number of extension set simultaneously; Specify extension set to carry after machine, specify extension set to send answer signal, and open sound module simultaneously, call out extension set and set up intercommunication relation with specifying extension set, realize the intercommunication between any two extension sets.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a storied building visible intercommunication system, comprise doorway machine and at least one extension set, described doorway machine includes doorway machine micro-control unit, described extension set includes extension set micro-control unit, it is characterized in that, described doorway machine is passed through tone frequency channel wire, earth connection, video line is connected with described extension set respectively, described extension set is connected with power supply, and described in one of them, extension set is extension set first to described doorway machine power supply, described tone frequency channel wire is connected with assignment key, and described assignment key ground connection, , and after being connected with voltage detecting circuit, described tone frequency channel wire is connected with the extension set micro-control unit of described extension set.
2. storied building visible intercommunication system according to claim 1, is characterized in that, includes multiple described extension sets, between described extension set, connects by data wire.
3. storied building visible intercommunication system according to claim 1, is characterized in that, described assignment key arranges near the first extension set place.
4. want the storied building visible intercommunication system described in 1 to 3 any one according to right, it is characterized in that, described voltage detecting circuit comprises diode, triode and electric capacity, the positive pole of wherein said diode and resistance R
1after series connection, be connected the collector electrode of described triode and resistance R with power supply
2series connection is connected with power supply afterwards and the collector electrode of triode is also connected with the extension set micro-control unit of extension set, the grounded emitter of described triode, and the emitter of triode and be connected with described electric capacity after be connected in series with the positive pole of described diode, the base stage of described triode and resistance R
3after series connection, the positive pole of described diode connects.
5. the building visual intercommunication method as described in claim 1 to 4 any one, is characterized in that, the method comprises:
Whether the voltage that voltage detecting circuit detects on tone frequency channel wire in real time changes, if voltage is unchanged, does not produce call signal, proceeds voltage detecting, if voltage changes, produces call signal, and enters next step;
Extension set micro-control unit starts video display module after receiving call signal, sends the tinkle of bells, and powers to doorway machine by extension set first simultaneously;
Extension set is raised, and extension set first is powered until receive on-hook signal to doorway machine.
6. building visual intercommunication method according to claim 5, is characterized in that, receives that call signal is sent to other extension set by the extension set of call signal, and other extension set starts video display module, sends the tinkle of bells.
7. building visual intercommunication method according to claim 6, is characterized in that, user selects one of them extension set to carry machine for being carried machine, and the machine of being carried starts sound module, cuts out the tinkle of bells, and feeds back to other extension sets, and other extension sets are received and proposed the on-hook of machine signal.
8. building visual intercommunication method according to claim 7, is characterized in that, is carried machine and doorway machine is carried out video intercom, in the time unblanking, is carried machine transmission unlocking signal in to extension set first, and this extension set first control doorway machine is unblanked.
9. building visual intercommunication method according to claim 5, is characterized in that, each extension set is numbered, and inputs other extension set numbering at arbitrary number extension set, sets up intercommunication relation.
10. building visual intercommunication method according to claim 9, it is characterized in that, in the numbering of calling out extension set input called extension set, call out extension set micro-control unit and send request signal to called extension set, called extension set is opened sound module after receiving request signal, is sent the tinkle of bells, and called extension set is carried machine, sends answer signal, open sound module, call out extension set and called extension set and set up intercommunication relation.
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| CN201410091259.1A CN103888728B (en) | 2014-03-12 | 2014-03-12 | Storied building visible intercommunication system and its method |
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| CN106506887A (en) * | 2016-09-30 | 2017-03-15 | 深圳市泛海三江科技发展有限公司 | Building conversational system and method |
| WO2018195948A1 (en) * | 2017-04-28 | 2018-11-01 | 广东安居宝数码科技股份有限公司 | Intercom system and entrance machine thereof |
| CN110392018A (en) * | 2018-04-18 | 2019-10-29 | 北京视联动力国际信息技术有限公司 | A kind of communication means and system of intercom |
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| CN103888728B (en) | 2017-12-22 |
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Inventor after: Zhang Changtai Inventor after: Xing Dan Inventor after: Zhang Ruibin Inventor after: Gao Jingchi Inventor after: Liao Jie Inventor before: Zhang Changtai Inventor before: Xing Dan Inventor before: Zhang Duanbin Inventor before: Gao Jingchi Inventor before: Liao Jie |
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