CN211128003U - Two-wire indoor unit of visual intercom system and visual intercom system - Google Patents
Two-wire indoor unit of visual intercom system and visual intercom system Download PDFInfo
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- CN211128003U CN211128003U CN202020222576.3U CN202020222576U CN211128003U CN 211128003 U CN211128003 U CN 211128003U CN 202020222576 U CN202020222576 U CN 202020222576U CN 211128003 U CN211128003 U CN 211128003U
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Abstract
The utility model discloses a machine and visual intercom system in visual intercom system's second line, machine include first the control unit, display element, video demodulation unit, WIFI unit, first receiving and dispatching code modem unit, first audio frequency intercom unit, first synthesis unit and memory cell in the second line. The WIFI unit, the video demodulation unit and the first transceiving code modulation and demodulation unit are all connected with the first control unit and controlled by the first control unit. The first synthesis unit is respectively connected with the first audio talkback unit, the video demodulation unit and the first transceiving code modulation and demodulation unit, and the first synthesis unit is also connected with the two-wire outdoor unit. The display unit is connected with the video demodulation unit and the storage unit, and the WIFI unit is connected with the first audio talkback unit and the video demodulation unit. According to the technical scheme, the two-line indoor unit can be connected with the mobile terminal through the WIFI unit, so that a resident can respond to a visitor at any time and any place, and convenience is improved.
Description
Technical Field
The utility model relates to a security protection field, in particular to machine and visual intercom system in visual intercom system's the second line.
Background
The visual intercom system can enable a resident to distinguish the identity of a visitor through the two-line indoor unit, avoids the identity of the visitor from being distinguished by personally going to a villa door or a resident building door, greatly improves the convenience while ensuring the personal safety of the resident, and is widely applied to residences. However, when a person visits, the existing visual intercom system still informs the resident of the operation and identification of the identity of the visitor before walking to the two-wire indoor unit in a ringing mode, when the resident is inconvenient or is not at home, the two-wire indoor unit cannot be operated in time, the resident cannot respond to the operation in time, and inconvenience is brought to the resident and the visitor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a visual intercom system's two-line indoor set can connect resident family's mobile terminal, realizes the distal end operation, makes resident family can in time respond to visitor.
The utility model discloses still provide a visual intercom system of having above-mentioned two-wire indoor set.
First aspect, according to the utility model discloses a visual intercom system's two-line indoor set of embodiment includes: a first control unit; the display unit is connected with the first control unit and is controlled by the first control unit; the video demodulation unit is connected with the first control unit, is controlled by the first control unit and outputs a video signal to the display unit; the WIFI unit is connected with the first control unit, controlled by the first control unit, connected with the video demodulation unit and used for being connected with a mobile terminal; the first transceiving code modulation and demodulation unit is connected with the first control unit and is controlled by the first control unit, and is used for modulating and demodulating a control signal; the first audio intercom unit is connected with the WIFI unit and is used for collecting, playing and processing audio signals; the first synthesis unit is connected with the two-line outdoor unit through the splitter and the repeater in sequence, is also connected with the first audio talkback unit, the video demodulation unit and the first transceiving code modulation and demodulation unit respectively, and is used for integrating and disassembling communication information with the two-line outdoor unit; and the storage unit is connected with the display unit and is used for storing audio and video information.
According to the utility model discloses machine in visual intercom system's the second line has following beneficial effect at least: the two-line indoor unit can be connected with mobile terminals such as a mobile phone or a tablet personal computer through the WIFI unit, video information and audio information collected by the two-line outdoor unit can be transmitted to the mobile terminal of a resident, the operation of the visual intercom system can be achieved through the mobile terminal, the resident can respond to visitors anytime and anywhere, and convenience is improved.
According to some embodiments of the utility model, the display element include the display screen and with the demonstration drive control module that the display screen is connected, the display screen drive control module respectively with the control unit the video demodulation unit reaches the memory cell is connected, the display screen drive control module is used for audio frequency and video information's coding and decoding and drive the display screen shows information.
Second aspect, according to the utility model discloses a visual intercom system, include: two-wire indoor set of the visual intercom system; the branching device is connected with the two-wire indoor units, and the branching devices can be connected with each other and are used for transmitting audio, video and control information; the repeaters are connected with the branching device, and a plurality of the repeaters can be connected with each other and are used for amplifying audio, video and control signals; a two-wire outdoor unit connected to the repeater; a power supply connected to the repeater, and supplying electric power to the two-wire indoor unit, the splitter, and the two-wire outdoor unit through the repeater; the electrical connection among the two-line indoor unit, the splitter, the repeater and the two-line outdoor unit is realized by two nonpolar transmission cables.
According to the utility model discloses visual intercom system has following beneficial effect at least: have according to the utility model discloses the two-line indoor set of first aspect embodiment, the resident family can realize that the remote end is controlled through mobile terminal connects the two-line indoor set, in time responds to the visitor who calls the resident family through the two-line off-premises station. Meanwhile, the system is internally connected by two nonpolar transmission cables, so that the installation is convenient, and a resident can install the system by himself.
According to some embodiments of the invention, the splitter comprises: a second control unit; an input unit connected to the second control unit and controlled by the second control unit, and further connected to the other splitter or the repeater; and the channel switching unit is connected with the second control unit, controlled by the second control unit, connected with the input unit, respectively connected with the two-line indoor units and capable of being connected with other branching devices.
According to some embodiments of the invention, the repeater comprises: a third control unit; the bidirectional transceiving code amplifying unit is connected with the third control unit and is controlled by the third control unit; the bidirectional audio amplification unit is connected with the third control unit and is controlled by the third control unit; the video amplification unit is connected with the third control unit and is controlled by the third control unit; the second synthesis unit is respectively connected with the bidirectional transceiving code amplification unit, the bidirectional audio amplification unit and the video amplification unit, and is also connected with the splitter or other repeaters; and the third synthesis unit is connected with the bidirectional transceiving code amplification unit, the bidirectional audio amplification unit and the video amplification unit and is also connected with the two-wire outdoor unit or other repeaters.
According to some embodiments of the present invention, the two-wire outdoor unit comprises: a fourth control unit; the second audio intercom unit is connected with the fourth control unit and is controlled by the fourth control unit; the video modulation unit is connected with the fourth control unit and is controlled by the fourth control unit; the second transceiving code modulation and demodulation unit is connected with the fourth control unit and is controlled by the fourth control unit; the camera is connected with the video modulation unit; and the fourth synthesis unit is respectively connected with the video modulation unit, the second audio talkback unit and the second transceiving code modulation and demodulation unit and is also connected with the repeater.
According to some embodiments of the invention, the power supply comprises a switching power supply and an isolator, the isolator further being connected to the repeater.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a system block diagram of an embodiment of the present invention;
fig. 2 is a system block diagram of an embodiment of the video intercom system of the present invention;
fig. 3 is a system block diagram of an embodiment of the splitter of the present invention;
fig. 4 is a system block diagram of an embodiment of a repeater of the present invention;
fig. 5 is a system block diagram of an embodiment of a two-wire outdoor unit according to the present invention.
Reference numerals:
a first control unit 100, a display unit 110, a display screen 111, a display driving control module 112, a video demodulation unit 120, a WIFI unit 130, a first transceiving code modem unit 140, a first audio intercom unit 150, a first synthesis unit 160, a storage unit 170,
a second control unit 200, an input unit 210, a channel switching unit 220,
a third control unit 300, a bi-directional transceiving code amplification unit 310, a bi-directional audio amplification unit 320, a video amplification unit 330, a second synthesis unit 340, a third synthesis unit 350,
a fourth control unit 400, a second audio intercom unit 410, a video modulation unit 420, a second transceiving code modem unit 430, a camera 440, and a fourth synthesis unit 450.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1, in a first aspect, a two-wire indoor unit of a video intercom system according to an embodiment of the present invention includes: the mobile terminal includes a first control unit 100, a display unit 110, a video demodulation unit 120, a WIFI unit 130, a first transceiving code modem unit 140, a first audio intercom unit 150, a first synthesis unit 160, and a storage unit 170. The first control unit 100 is connected to and controls the display unit 110, the video demodulation unit 120, the WIFI unit 130, and the first transceiving code modem unit 140. The display unit 110 is further connected to the video demodulation unit 120, and can display information that needs to be displayed by the first control unit 100, and also can display video information acquired by the two-line outdoor unit in the video intercom system demodulated by the video demodulation unit 120, so that the resident can observe the appearance of the visitor at the two-line outdoor unit through the display unit 110 to determine the identity of the visitor. The display unit 110 also has the functions of encoding and decoding audio information and video information, is connected with the storage unit 170, can encode and store the information displayed on the display unit 110 in the storage unit 170 for storage, and can call out and play back the information after a period of time. The first audio intercom unit 150 is mainly responsible for collecting voice information of the resident at the two-line indoor unit, converting the voice information into an electric signal and modulating the electric signal, and simultaneously demodulating and playing external audio information, so that the resident can perform voice communication with a visitor at the two-line outdoor unit through the two-line indoor unit to determine the visitor's intention.
The first transceiving code modem unit 140 is used to modulate the information that the two-wire indoor unit needs to send out into a high frequency signal, or demodulate the high frequency signal sent from outside into control information. High frequency signals can provide sufficient bandwidth to carry a large amount of information. The first synthesizing unit 160 is connected to the first audio intercom unit 150, the video demodulation unit 120, and the first transceiving code modem unit 140, and the first synthesizing unit 160 is further connected to the two-line outdoor unit installed outdoors through a splitter and a repeater, and is configured to integrate and send information to be sent, which is modulated by the first transceiving code modem unit 140 and the first audio intercom unit 150 in the two-line indoor unit, to the two-line outdoor unit, and is also configured to split the information sent by the two-line outdoor unit to the two-line indoor unit according to functions into audio, video, and control information and send the information to the first audio intercom unit 150, the video demodulation unit 120, and the first transceiving code modem unit 140, respectively. The two-wire indoor unit having the first combining unit 160 can integrate video, audio, and control information, reduce the number of lines for transmitting signals, and transmit information using a two-wire non-polar bus protocol. The WIFI unit 130 is used for connecting the two-line indoor unit into a household networking of a resident, so that the two-line indoor unit can be connected with the internet and further communicate with a mobile terminal of the resident through cloud communication, the resident can remotely control the two-line indoor unit on the mobile terminal, and it can be understood that when the resident is in a residence, the two-line indoor unit can be directly communicated with the mobile terminal of the resident through the router connected with the residence through the WIFI unit 130. The WIFI unit 130 is further connected to the first audio intercom unit 150 and the video demodulation unit 120, and the two-wire indoor unit may send audio and video information sent by the two-wire outdoor unit to a mobile terminal of a user through the WIFI unit 130, and may also receive audio information sent by a resident through the mobile terminal and send the audio information to the two-wire outdoor unit. It can be understood that the mobile terminal may be a mobile phone, a tablet computer, a notebook computer, or the like.
In some embodiments, the display unit 110 includes a display screen 111 and a display driving control module 112 connected to the display screen 111. The display driving control module 112 is further connected to the storage unit 170, the video demodulation unit 120, and the first control unit 100, respectively, and the display driving control module 112 has a video and audio decoding and encoding function, and can drive the display screen 111 to display video information and play audio information. It can be understood that the display screen 111 may be a display screen with physical keys or a touch display screen, which is convenient for the householder to operate the two-wire indoor unit.
Referring to fig. 2, according to the utility model discloses visual intercom system, including the first aspect according to the utility model discloses visual intercom system's two-line indoor set. The outdoor unit also comprises a splitter, a repeater, a two-wire outdoor unit and a power supply. Each branching device can be connected with a plurality of two-line indoor units, the branching devices can be cascaded to connect more two-line indoor units into a system, and the branching devices are used for information transmission between the calling two-line outdoor units and the called two-line indoor units to realize information interaction between visitors and residents. The repeaters are respectively connected with the two-line outdoor unit and the splitter and used for amplifying signals so as to expand the transmission distance of the signals and ensure the communication quality, and a plurality of repeaters can be mutually cascaded. The power supply is connected with the repeaters, commercial power is converted into electric energy which can be used by the system, the electric energy is provided for the whole system through the repeaters, and it can be understood that a plurality of repeaters can be supplied with power in a centralized way through one power supply or can be respectively connected with one power supply for distributed power supply. In some embodiments, the power supply includes a switching power supply and an isolator coupled to the switching power supply, the isolator also coupled to the repeater, the isolator preventing signals from being absorbed and interfered by the switching power supply. The two-wire indoor unit, the splitter, the repeater and the two-wire outdoor unit are electrically connected through two non-polar transmission cables, a two-wire bus protocol is adopted, electric energy can be provided while signals are transmitted, wiring is simple, installation is convenient, and a resident can install the two-wire indoor unit, the splitter, the repeater and the two-wire outdoor unit by oneself due to the fact that no polarity exists.
Referring to fig. 3, in some embodiments, a splitter comprises: a second control unit 200, an input unit 210, and a channel switching unit 220. The input unit 210 and the channel switching unit 220 are respectively connected to the second control unit 200 and controlled by the second control unit 200, the input unit 210 is connected to the channel switching unit 220, the second control unit 200 controls the channel switching unit 220 to switch channels according to the control information, and signals transmitted from the input unit 210 are transmitted from a correct channel of the channel switching unit 220 to be transmitted to a correct two-line indoor unit or two-line outdoor unit. The input unit 210 may be connected to a repeater, each channel of the channel switching unit 220 may be connected to one two-wire indoor unit, and the input unit 210 may also be connected to one channel of the channel switching unit 220 of another splitter, thereby implementing cascade connection between the splitters and expanding the scale of the intercom system.
Referring to fig. 4, in some embodiments, a repeater includes: a third control unit 300, a second synthesis unit 340, a third synthesis unit 350, a bi-directional transceiving code amplification unit 310, a bi-directional audio amplification unit 320, and a video amplification unit 330. The bi-directional transceiving code amplification unit 310, the bi-directional audio amplification unit 320 and the video amplification unit 330 are all connected to the third control unit 300, and amplify the control information, the audio information and the video information under the control of the third control unit 300, thereby expanding the communication distance and ensuring the communication quality. The second synthesizing unit 340 and the third synthesizing unit 350 are similar to the first synthesizing unit 160 in function, and are configured to split the information entering the repeater into control information, audio information, and video information according to the information function, and send the control information, the audio information, and the video information to the bidirectional transceiving code amplifying unit 310, the bidirectional audio amplifying unit 320, and the video amplifying unit 330, respectively, for amplification. The second synthesizing unit 340 and the third synthesizing unit 350 may also integrate the amplified information transmitted from the bi-directional transceiving code amplifying unit 310, the bi-directional audio amplifying unit 320, and the video amplifying unit 330 and transmit the integrated information to the next device. The second combining unit 340 may be connected to the input unit 210 of the splitter, the third combining unit 350 may be connected to the two-line outdoor unit, and both the second combining unit 340 and the third combining unit 350 may also be connected to the second combining unit 340 or the third combining unit 350 of another repeater to form a cascade connection between the repeaters.
Referring to fig. 5, in some embodiments, the two-line outdoor unit includes a fourth control unit 400, a second audio intercom unit 410, a second transceiving code modem unit 430, a video modulation unit 420, and a camera 440. The second transceiving code modem unit 430, the video modulator unit 420 and the second audio intercom unit 410 are all connected to the fourth control unit 400 and controlled by the fourth control unit 400. The second transceiving code modem unit 430 and the second audio intercom unit 410 have the same functions as the first transceiving code modem unit 140 and the first audio intercom unit 150, and are respectively used for modulating and demodulating control information of the two-wire outdoor unit and collecting, playing and modem audio information. The video modulation unit 420 is connected to the camera 440, and modulates the visual information of the visitor collected by the camera 440. The fourth synthesis unit 450 is connected to the video modulation unit 420, the second transceiving code modem unit 430, and the second audio intercom unit 410, and has substantially the same function as the first synthesis unit 160, and can split and transmit the external information to the corresponding units, integrate the information that needs to be transmitted inside, and transmit the information to the two-line indoor unit through the repeater and the splitter, and the fourth synthesis unit 450 is further connected to the third synthesis unit 350 of the repeater. It is understood that the two-wire outdoor unit may further include a key panel for inputting call information and a display device for displaying some display information.
It is understood that the first control unit 100, the second control unit 200, the third control unit 300, and the fourth control unit 400 can be programmable micro-controllers such as ARM, FPGA, etc.
According to the utility model discloses machine in visual intercom system's two-line can be through the mobile terminal of WIFI unit connection resident family, can transmit the video information and the audio information that the two-line off-premises station was gathered for the mobile terminal of resident family to can realize the operation to visual intercom system through the mobile terminal, let the resident family can respond visitor anytime and anywhere, improve the convenience.
According to can not the utility model discloses visual intercom system includes according to the utility model discloses the second line indoor set, the resident family can realize that the remote is controlled through mobile terminal connects the second line indoor set, and the visitor who in time responds to and calls the resident family through the second line off-premises station. Meanwhile, the system is internally connected by two nonpolar transmission cables, so that the installation is convenient, and a resident can install the system by himself.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. A two-wire indoor unit of a visual intercom system, comprising:
a first control unit;
the display unit is connected with the first control unit and is controlled by the first control unit;
the video demodulation unit is connected with the first control unit, is controlled by the first control unit and outputs a video signal to the display unit;
the WIFI unit is connected with the first control unit, controlled by the first control unit, connected with the video demodulation unit and used for being connected with a mobile terminal;
the first transceiving code modulation and demodulation unit is connected with the first control unit and is controlled by the first control unit, and is used for modulating and demodulating a control signal;
the first audio intercom unit is connected with the WIFI unit and is used for collecting, playing and processing audio signals;
the first synthesis unit is connected with the two-line outdoor unit through the splitter and the repeater in sequence, is also connected with the first audio talkback unit, the video demodulation unit and the first transceiving code modulation and demodulation unit respectively, and is used for integrating and disassembling communication information with the two-line outdoor unit;
and the storage unit is connected with the display unit and is used for storing audio and video information.
2. The two-wire indoor unit of the video intercom system according to claim 1, wherein the display unit comprises a display screen and a display drive control module connected with the display screen, the display drive control module is respectively connected with the control unit, the video demodulation unit and the storage unit, and the display drive control module is used for encoding and decoding audio and video information and driving the display screen to display information.
3. A visual intercom system comprising:
the two-wire indoor unit of the video intercom system according to claim 1 or 2;
the branching device is connected with the two-wire indoor units, and the branching devices can be connected with each other and are used for transmitting audio, video and control information;
the repeaters are connected with the branching device, and a plurality of the repeaters can be connected with each other and are used for amplifying audio, video and control signals;
a two-wire outdoor unit connected to the repeater;
a power supply connected to the repeater, and supplying electric power to the two-wire indoor unit, the splitter, and the two-wire outdoor unit through the repeater;
the electrical connection among the two-line indoor unit, the splitter, the repeater and the two-line outdoor unit is realized by two nonpolar transmission cables.
4. A visual intercom system as in claim 3 wherein said splitter comprises:
a second control unit;
an input unit connected to the second control unit and controlled by the second control unit, and further connected to the other splitter or the repeater;
and the channel switching unit is connected with the second control unit, controlled by the second control unit, connected with the input unit, respectively connected with the two-line indoor units and capable of being connected with other branching devices.
5. A visual intercom system as in claim 3 wherein said repeater comprises:
a third control unit;
the bidirectional transceiving code amplifying unit is connected with the third control unit and is controlled by the third control unit;
the bidirectional audio amplification unit is connected with the third control unit and is controlled by the third control unit;
the video amplification unit is connected with the third control unit and is controlled by the third control unit;
the second synthesis unit is respectively connected with the bidirectional transceiving code amplification unit, the bidirectional audio amplification unit and the video amplification unit, and is also connected with the splitter or other repeaters;
and the third synthesis unit is connected with the bidirectional transceiving code amplification unit, the bidirectional audio amplification unit and the video amplification unit and is also connected with the two-wire outdoor unit or other repeaters.
6. A video intercom system as in claim 3 wherein said two-wire outdoor unit comprises:
a fourth control unit;
the second audio intercom unit is connected with the fourth control unit and is controlled by the fourth control unit;
the video modulation unit is connected with the fourth control unit and is controlled by the fourth control unit;
the second transceiving code modulation and demodulation unit is connected with the fourth control unit and is controlled by the fourth control unit;
the camera is connected with the video modulation unit;
and the fourth synthesis unit is respectively connected with the video modulation unit, the second audio talkback unit and the second transceiving code modulation and demodulation unit and is also connected with the repeater.
7. A video intercom system as in claim 3 wherein said power source comprises a switching power source and an isolator, said isolator further connected to said repeater.
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| CN202020222576.3U CN211128003U (en) | 2020-02-27 | 2020-02-27 | Two-wire indoor unit of visual intercom system and visual intercom system |
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| CN202020222576.3U CN211128003U (en) | 2020-02-27 | 2020-02-27 | Two-wire indoor unit of visual intercom system and visual intercom system |
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