CN202663498U - Pluggable household door machine intercommunication control card employing special definition pins - Google Patents
Pluggable household door machine intercommunication control card employing special definition pins Download PDFInfo
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- CN202663498U CN202663498U CN 201120567299 CN201120567299U CN202663498U CN 202663498 U CN202663498 U CN 202663498U CN 201120567299 CN201120567299 CN 201120567299 CN 201120567299 U CN201120567299 U CN 201120567299U CN 202663498 U CN202663498 U CN 202663498U
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Abstract
The utility model provides a pluggable household door machine intercommunication control card employing special definition pins. The pluggable household door machine intercommunication control card employing the special definition pins comprises a door machine call circuit, an audio and video switching circuit and a door machine power supply and unlocking circuit which are connected with an MCU, and is characterized in that a gateway and main circuit board interface is further comprised; and the MCU is connected with the gateway and main circuit board interface. The pluggable household door machine intercommunication control card is manufactured by employing the special definition pins, if an intercommunication function of the door machine is needed, the function can be realized by plugging the control card and connecting the intercommunication equipment with an original system, conversely, if the function is not needed, unplugging of the control card and the intercommunication equipment is only required. Increase and decrease properties of a functional module save production cost and bring about benefits for clients, moreover, by utilizing the two pass door machine cards, an intelligent household system can access to two simulation door machines, so operation such as call and intercommunication can be realized at different places, and great convenience is brought about for a household.
Description
Technical field
The utility model relates to a kind of Smart Home visible dialogue system, particularly machine intercommunication control card before the pluggable Household door of the proprietary definition of a kind of employing.
Background technology
Existing building visual intercommunication control appliance most integral body on hardware, can not make up by disassembled simply, can not change according to client's functional requirement, often or adopt design as a whole but partial function is given it up, can cause like this waste of circuit resource, just need to according to guest's needs redesign integrated circuit board, cause the waste of design iterations.Simultaneously, one or two in front of the door machine can not adapt to the application demand of villa and multi-storey building, in the Modern Smart Home system, needed to support many in front of the door machines.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of and can supports many in front of the door machines, machine intercommunication control card before the modularization that can also increase and decrease arbitrarily as required, the pluggable Household door of the proprietary definition of the employing that can freely plug.
The technical problems to be solved in the utility model is achieved in that
Machine intercommunication control card before the pluggable Household door of the proprietary definition of a kind of employing, comprise the in front of the door machine call circuit that is connected respectively to MCU, audio frequency and video commutation circuit and in front of the door machine power supply and unlock circuit, it is characterized in that: also comprise a gateway and main circuit board interface, MCU is connected to this gateway and main circuit board interface.
Described MCU adopts an AT89S52 chip to coordinate and control the audio video transmission of a plurality of terminal rooms.
Described in front of the door machine power supply and unlock circuit are realized power supply and are unblanked by the operating state that Darlington transistor ULN2003 controls two triodes.
Described gateway and main circuit board interface are comprised of the interface of 64 pin.
Each pin of described gateway and main circuit board interface is defined as follows:
The 1st pin is to send data pin to bus;
The 2nd pin is for receiving the data pin on the bus;
The 3rd pin is the interrupt signal pin of in front of the door machine card;
The 15-18 pin is the chip selection signal pin;
The 19th pin is that chip selection signal enables (Low level effective) pin;
20th, 33,34,41,42,53,54,60 pin are power supply ground pin;
21st, 22,48 pin are+5V DC power supply pin;
55th, 56 pin are+12V DC power supply pin;
All the other pin are for leaving a blank.
Compared with prior art, the utility model adopts the pin of proprietary definition, makes pluggable in front of the door machine intercommunication control card, if need to machine intercommunication function in front of the door, as long as insert this control card and access talk back equipment on the basis of original system, can realize intercommunication function; Otherwise, if do not need this function, as long as pull out this control card and talk back equipment; Simultaneously by 1 machine card in front of the door, make intelligent domestic system can access machine before two analog gates, but the just operation such as calling talkback in the different location in residence greatly facilitate resident family and use.
Description of drawings
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the overall applicability structural representation of machine intercommunication control card before the utility model Household door.
Fig. 2 is the MCU circuit diagram of machine intercommunication control card before the utility model Household door.
Fig. 3 is the in front of the door machine call circuit figure of machine intercommunication control card before the utility model Household door.
Fig. 4 is the audio frequency and video commutation circuit figure of machine intercommunication control card before the utility model Household door.
Fig. 5 is in front of the door machine power supply and unlock circuit figure of the front machine intercommunication control card of the utility model Household door.
Fig. 6 is the gateway of machine intercommunication control card before the utility model Household door and the circuit diagram of main circuit board interface.
Embodiment
See also Fig. 1, it is the overall applicability structural representation of machine intercommunication control card before the utility model Household door, machine intercommunication control card before the pluggable Household door of the proprietary definition of a kind of employing, comprise the in front of the door machine call circuit that is connected respectively to MCU, audio frequency and video commutation circuit and in front of the door machine power supply and unlock circuit, it is characterized in that: also comprise a gateway and main circuit board interface, MCU is connected to this gateway and main circuit board interface, machine intercommunication control card is connected with the main circuit board interface by gateway with external gateway main circuit board before the described Household door, adopt in the present embodiment be two the tunnel in front of the door the situation of machine illustrate.
Such as Fig. 2, it is the MCU circuit diagram of machine intercommunication control card before the utility model Household door.Described MCU single-chip microcomputer is comprised of an AT89S52 chip, a reset circuit and a crystal oscillator, and major function is at the audio video transmission of coordinating and control a plurality of terminal rooms.
Such as Fig. 3, be the in front of the door machine call circuit figure of machine intercommunication control card before the utility model Household door.
Described in front of the door machine call circuit major function provides the machine call function in front of the door to MCU, and this circuit is comprised of two triodes and some capacitance resistance wares, and when machine was pressed in front of the door, the level that connects MCU can be found to change, can detect any road in front of the door machine call out.
Such as Fig. 4, the in front of the door machine audio frequency and video commutation circuit figure of machine intercommunication control card before the utility model Household door, because the audio frequency and video passage of machine intercommunication control card and gateway main circuit board only has one before the described Household door, so synchronization only has an in front of the door machine job, machine audio-video signal and gateway main circuit board disconnect in front of the door at ordinary times, just connect during work, therefore described audio frequency and video commutation circuit is to select audio frequency and video by the operating state of control relay.
Such as Fig. 5, be the power supply of in front of the door machine and the unlock circuit figure of machine intercommunication control card before the utility model Household door.Described power supply and unlock circuit are to realize the function of powering and unblanking, and mainly are to realize power supply and unblank by the operating state that Darlington transistor ULN2003 controls two triodes.
Such as Fig. 6, the gateway of machine intercommunication control card and the circuit diagram of main circuit board interface before the utility model Household door, described gateway and main circuit board interface are comprised of the interface of 64 pin, be connected with external plugging of gateway main circuit by machine intercommunication control card before the whole Household door of this Interface realization, its each pin is defined as follows shown in the table:
| Pin arrangements | Pin name | The |
| 1 | TX | Send data to bus |
| 2 | RX | Receive the data on the |
| 3 | INT1 | The middle signal of machine card in front of the |
| 15 | SEL0 | Chip selection signal 0 |
| 16 | SEL1 | |
| 17 | SEL2 | |
| 18 | SEL3 | |
| 19 | STROBE | Chip selection signal enables (Low level effective) |
| 20、33、34、41、42、53、54、60 | GND | Power supply ground |
| 21、22、48 | +5V | + 5V DC power supply |
| 55、56 | +12V | + 12V DC power supply |
| 59 | RESET | The reset signal of machine card in front of the door |
Its operation principle is as follows:
(1) machine is called out indoor set in front of the door: the machine card is received in front of the door machine " calling " order in front of the door, transmits " calling " order to the gateway main circuit board.Connect these machine audio frequency and video to the gateway main circuit board.
(2) monitor in front of the door machine 1 or 2: the machine card is received " monitoring in front of the door machine 1 or 2 " order in front of the door, and gating specifies in front of the door the machine audio frequency and video to receive on-hook to the gateway main circuit board, finishes this supervision.
(3) unblank: machine is being called out or is being monitored under the state in front of the door, and the machine card is received " unblanking " order in front of the door, the output unlocking signal.
(4) as long as there is machine before the analog gate to take the in front of the door audio frequency and video passage of machine card and gateway main circuit board of two-way, the front machine of an other analog gate can not participate in the work relevant with the gateway main circuit board.
The utility model adopts the pin of proprietary definition, makes pluggable in front of the door machine intercommunication control card, if need in front of the door machine intercommunication function, as long as insert this control card and access talk back equipment on the basis of original system, can realize intercommunication function; Otherwise, if do not need this function, as long as pull out this control card and talk back equipment. and the changeable of functional module is saved cost for producing, for the client brings material benefit; Simultaneously can also be by two-way machine card in front of the door, make intelligent domestic system can access machine before two analog gates, but the just operation such as calling talkback in the different location in residence greatly facilitate resident family and use.
Claims (5)
1. one kind is adopted the front machine intercommunication control card of the pluggable Household door of proprietary definition, comprise the in front of the door machine call circuit that is connected respectively to MCU, audio frequency and video commutation circuit and in front of the door machine power supply and unlock circuit, be characterised in that: also comprise a gateway and main circuit board interface, MCU is connected to this gateway and main circuit board interface.
2. machine intercommunication control card before the pluggable Household door of the proprietary definition of described employing according to claim 1, it is characterized in that: described MCU adopts an AT89S52 chip to coordinate and control the audio video transmission of a plurality of terminal rooms.
3. machine intercommunication control card before the pluggable Household door of the proprietary definition of employing according to claim 1, it is characterized in that: described in front of the door machine power supply and unlock circuit are realized power supply and are unblanked by the operating state that Darlington transistor ULN2003 controls two triodes.
4. machine intercommunication control card before the pluggable Household door of the proprietary definition of employing according to claim 1, it is characterized in that: described gateway and main circuit board interface are comprised of the interface of 64 pin.
5. machine intercommunication control card before the pluggable Household door of the proprietary definition of employing according to claim 4, it is characterized in that: each pin of described gateway and main circuit board interface is defined as follows:
The 1st pin is to send data pin to bus;
The 2nd pin is for receiving the data pin on the bus;
The 3rd pin is the interrupt signal pin of in front of the door machine card;
The 15-18 pin is the chip selection signal pin;
The 19th pin is the chip selection signal enable pin;
20th, 33,34,41,42,53,54,60 pin are power supply ground pin;
21st, 22,48 pin are+5V DC power supply pin;
55th, 56 pin are+12V DC power supply pin;
All the other pin are for leaving a blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567299 CN202663498U (en) | 2011-12-30 | 2011-12-30 | Pluggable household door machine intercommunication control card employing special definition pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120567299 CN202663498U (en) | 2011-12-30 | 2011-12-30 | Pluggable household door machine intercommunication control card employing special definition pins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663498U true CN202663498U (en) | 2013-01-09 |
Family
ID=47458369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120567299 Expired - Fee Related CN202663498U (en) | 2011-12-30 | 2011-12-30 | Pluggable household door machine intercommunication control card employing special definition pins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202663498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103716592A (en) * | 2013-12-29 | 2014-04-09 | 广州视声电子实业有限公司 | Intelligent home remote monitoring system and communication method thereof |
-
2011
- 2011-12-30 CN CN 201120567299 patent/CN202663498U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103716592A (en) * | 2013-12-29 | 2014-04-09 | 广州视声电子实业有限公司 | Intelligent home remote monitoring system and communication method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |