CN213938177U - Bus system two-wire multi-house type door machine - Google Patents
Bus system two-wire multi-house type door machine Download PDFInfo
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- CN213938177U CN213938177U CN202120279458.0U CN202120279458U CN213938177U CN 213938177 U CN213938177 U CN 213938177U CN 202120279458 U CN202120279458 U CN 202120279458U CN 213938177 U CN213938177 U CN 213938177U
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Abstract
The utility model discloses a two many house types of bus system door machine of two lines, including door machine body, four dry-type electronic locks, two distributors, switching power supply, door machine body pass through the wire respectively with the distributor, dry-type electronic lock is electric connection, switching power supply passes through the wire and is electric connection with the distributor, door machine body includes main control circuit, video signal circuit, button module circuit, audio frequency and code demodulation circuit, operational amplifier circuit, IC brush card module circuit, ID brush card module circuit, and main control circuit pass through the wire respectively with the video signal circuit. The utility model discloses audio frequency and code demodulation circuit, video signal circuit can be with video, audio frequency, data modulation for composite signal, with two line transmission behind the power stack for transmission line quantity reduces, and the gate machine has adopted frequency division multiplexing technique, makes visual intercom system line reduce, and is simple and easy to the installation maintenance of gate machine, and construction speed is fast simultaneously, and is simple, and the total cost is with low costs.
Description
Technical Field
The utility model relates to a visual intercom system technical field especially relates to the many house types of bus system two lines gate machine.
Background
The visual intercom system is widely applied in the current society, visual intercom equipment arranged on a building anti-theft door is called a doorway machine, the doorway machine is designed for facilitating entrance and exit, and can be in wired or wireless communication with a residential community property management center or community security guards, so that the visual intercom system plays a role in safety protection such as theft prevention, disaster prevention, gas leakage prevention and the like, and provides maximum guarantee for life and property safety of a house owner.
At present, the existing video intercom system generally adopts a mode of independent transmission of each signal, and needs at least four transmission lines, and the transmission mode directly leads to a plurality of connection lines of the video intercom system and complex installation and maintenance, so that a bus two-line multi-family type gate machine is urgently needed to be designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that the existing door phone that exists among the prior art needs many transmission lines to lead to visual intercom system safety to maintain comparatively inconvenient, and the total system two-line multi-house type door phone that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bus-system two-wire multi-house type door phone comprises a door phone body, four dry-type electronic locks, two distributors and a switch power supply, wherein the door phone body is electrically connected with the distributors and the dry-type electronic locks through wires respectively, the door phone body comprises a main control circuit, a video signal circuit, a key module circuit, an audio and code demodulation circuit, an operational amplifier circuit, an IC card swiping module circuit and an ID card swiping module circuit, the main control circuit is electrically connected with the video signal circuit, the key module circuit, the audio and code demodulation circuit, the operational amplifier circuit, the IC card swiping module circuit and the ID card swiping module circuit through wires respectively, and the audio and code demodulation circuit is electrically connected with the operational amplifier circuit through wires.
Furthermore, the master control circuit comprises a single-chip microcomputer master control chip, the video signal circuit comprises an LA video modulation chip, a camera and a display screen, and the LA video modulation chip, the camera and the display screen are electrically connected with the master control circuit through wires.
Further, the operational amplifier circuit and peripheral hardware form a comparator.
Further, the switching power supply 4 is electrically connected with the distributor 3 through a lead, and the distributor 3 is connected with the indoor unit through a lead.
The utility model has the advantages that:
1. through the audio frequency and code demodulation circuit and the video signal circuit, when the visual intercom system works, the audio frequency and code demodulation circuit and the video signal circuit can modulate video, audio and data into composite signals, the composite signals are transmitted through two lines after being superposed with a power supply, the composite signals are demodulated at a receiving end, and each signal is replied, so that the number of transmission lines is reduced.
2. Through the gate machine body that sets up, when using this gate machine, this gate machine has adopted frequency division multiplexing technique for visual intercom system line reduces, and is simple and easy to the installation maintenance of gate machine, has more the hommization, and construction speed is fast simultaneously, and is simple, and overall cost is with low costs.
3. Through the IC card swiping module circuit and the ID card swiping module circuit, when the entrance machine is used, the IC card swiping module circuit and the ID card swiping module circuit can realize IC card swiping modules and ID card swiping modules of the entrance machine, and great convenience is brought to users.
Drawings
Fig. 1 is a front view of a bus two-wire multi-house type door phone according to the present invention;
fig. 2 is a schematic structural diagram of a main control circuit of a bus two-wire multi-dwelling house type door phone according to the present invention;
fig. 3 is a schematic view of a video signal circuit structure of a bus two-line multi-dwelling house type door phone according to the present invention;
fig. 4 is a schematic circuit diagram of a key module of a bus two-wire multi-dwelling house type door phone according to the present invention;
fig. 5 is a schematic diagram of an audio and code demodulation circuit structure of a bus two-line multi-dwelling house type door phone according to the present invention;
fig. 6 is a schematic diagram of an operational amplifier circuit of a bus two-wire multi-dwelling house type door phone according to the present invention;
fig. 7 is a schematic structural diagram of an ID card swiping module of a bus two-wire multi-dwelling house type entrance machine according to the present invention;
fig. 8 is a schematic structural diagram of an IC card swiping module of a bus two-wire multi-dwelling house type door phone according to the present invention.
In the figure: the system comprises a 1-door phone body, a 2-dry electronic lock, a 3-distributor, a 4-switch power supply, a 5-main control circuit, a 6-video signal circuit, a 7-key module circuit, an 8-audio and code demodulation circuit, a 9-operational amplifier circuit, a 10-IC card swiping module circuit and an 11-ID card swiping module circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 8, the bus two-wire multi-house doorway machine includes a doorway machine body 1, four dry electronic locks 2, two distributors 3 and a switching power supply 4, wherein the doorway machine body 1 is electrically connected to the distributors 3 and the dry electronic locks 2 through wires, the doorway machine body 1 includes a main control circuit 5, a video signal circuit 6, a key module circuit 7, an audio and code demodulation circuit 8, an operational amplifier circuit 9, an IC card swiping module circuit 10 and an ID card swiping module circuit 11, and the main control circuit 5 is electrically connected to the video signal circuit 6, the key module circuit 7, the audio and code demodulation circuit 8, the operational amplifier circuit 9, the IC card swiping module circuit 10 and the ID card swiping module circuit 11 through wires, the audio and code demodulation circuit 8 is electrically connected to the operational amplifier circuit 9 through wires, and the IC card swiping module circuit 8 is electrically connected to the IC card swiping module circuit 9 through wires, The ID card swiping module circuit can realize IC and ID card swiping modules of the door phone, and is greatly convenient for users to use.
Further, the main control circuit 5 comprises an STC15L2K48S2 single chip microcomputer main control chip, the video signal circuit 6 comprises an LA72910 video modulation chip, a camera and a display screen, the LA72910 video modulation chip, the camera and the display screen are electrically connected with the main control circuit 5 through wires, the audio and code demodulation circuit 8 and the video signal circuit 6 can modulate video, audio and data into a composite signal, the composite signal is transmitted through two wires after being superposed with a power supply, the composite signal is demodulated at a receiving end, and each signal is replied, so that the number of transmission lines is reduced.
Further, the operational amplifier circuit 9 and peripheral hardware form a comparator.
Further, the switching power supply 4 is electrically connected with the distributor 3 through a lead, and the distributor 3 is connected with the indoor unit through a lead.
The working principle is as follows: when the door phone body 1 is used, a worker can swipe a card through the door phone body 1, when an ID card approaches, a coil on the ID card can collect energy through electromagnetic induction, a chip in the ID card works and transmits the signal to the ID card swiping module circuit 11 in an antenna emission mode for demodulation processing after signal identification processing, a demodulated marking signal is transmitted to an STC15L2K48S2 single-chip microcomputer main control chip in the main control circuit 5 through a lead for processing, and when the IC card approaches, the coil in the IC card can collect energy through electromagnetic induction, the chip in the IC card works and transmits the signal to the IC card swiping module circuit 10 in an antenna emission mode after signal identification processing for demodulation processing, the demodulated signal is transmitted to an STC15L2K48S2 single-chip microcomputer main control chip in the main control circuit 5 for processing, and when the door phone body 1 performs video screen and voice communication, a video of an indoor unit of the door phone, Audio and data can be debugged into composite signal loading and transmit to gate machine body 1 on the power cord, and gate machine body this side also need demodulate the rear and can normally broadcast and visual talkback, broadcast after amplifying behind the sound demodulation again, reach anticipated sound effect.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. A bus two-wire multi-house type doorway machine comprises a doorway machine body (1), four dry type electronic locks (2), two distributors (3) and a switching power supply (4), and is characterized in that the doorway machine body (1) is respectively and electrically connected with the distributors (3) and the dry type electronic locks (2) through leads, the doorway machine body (1) comprises a main control circuit (5), a video signal circuit (6), a key module circuit (7), an audio and code demodulation circuit (8), an operational amplifier circuit (9), an IC card swiping module circuit (10) and an ID card swiping module circuit (11), and the main control circuit (5) is respectively and electrically connected with the video signal circuit (6), the key module circuit (7), the audio and code demodulation circuit (8), the operational amplifier circuit (9), the IC card swiping module circuit (10) and the ID card swiping module circuit (11) through leads, the audio and code demodulation circuit (8) is electrically connected with the operational amplifier circuit (9) through a lead.
2. The two-wire multi-house type door phone according to claim 1, wherein the main control circuit (5) comprises a single chip microcomputer main control chip, the video signal circuit (6) comprises a video modulation chip, a camera and a display screen, and the video modulation chip, the camera and the display screen are electrically connected with the main control circuit (5) through wires.
3. A bus-based two-wire multi-house doorway machine according to claim 1, wherein the op-amp circuit (9) constitutes a comparator with peripheral hardware.
4. The bus two-wire multi-house doorway machine according to claim 1, wherein the switching power supply (4) is electrically connected to the distributor (3) by a wire, and the distributor (3) is connected to the indoor unit by a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279458.0U CN213938177U (en) | 2021-02-01 | 2021-02-01 | Bus system two-wire multi-house type door machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120279458.0U CN213938177U (en) | 2021-02-01 | 2021-02-01 | Bus system two-wire multi-house type door machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213938177U true CN213938177U (en) | 2021-08-10 |
Family
ID=77159280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120279458.0U Active CN213938177U (en) | 2021-02-01 | 2021-02-01 | Bus system two-wire multi-house type door machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213938177U (en) |
-
2021
- 2021-02-01 CN CN202120279458.0U patent/CN213938177U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Bus system two-wire multi family door machine Effective date of registration: 20220329 Granted publication date: 20210810 Pledgee: Xiamen International Bank Co.,Ltd. Zhuhai branch Pledgor: ZHUHAI BCOM ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980003418 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 room 501b, building 6, No. 19, Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Guangdong Boke Electronic Technology Co.,Ltd. Address before: 519000 room 501b, building 6, No. 19, Yongtian Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI BCOM ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |