CN207321276U - A kind of intelligent domestic system based on public phone network - Google Patents
A kind of intelligent domestic system based on public phone network Download PDFInfo
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- CN207321276U CN207321276U CN201720524494.2U CN201720524494U CN207321276U CN 207321276 U CN207321276 U CN 207321276U CN 201720524494 U CN201720524494 U CN 201720524494U CN 207321276 U CN207321276 U CN 207321276U
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Abstract
The utility model belongs to Smart Home technical field, more particularly to a kind of intelligent domestic system based on public phone network.Whole system, with reference to the characteristics of computer technology, automatic control technology and the communication technology with requiring, can be divided into environment and security protection detection, control, and the three parts such as device drives by the utility model according to the function setting of system.Environment is made of with security protection detection part the Sensitive Detector such as illumination, rainwater, gas detectors and window curtain, door sensor detector.Control section is mainly made of main control module (also referred to as master control borad) and security alarm with household appliance control module (also referred to as alarm and control panel), and wherein master control borad is responsible for the control of intelligent curtain and the collection of security alarm signal.Alarm completes automatic telephone dialing, alarm, the recording playback of suggestion voice, and storage, inquiry and the modification of telephone number and home wiring control command code (password and instruction code), designing scheme with control panel has actual application value.
Description
Technical field
The utility model belongs to Smart Home technical field, more particularly to a kind of intelligent domestic system based on public phone network.
Background technology
In recent years, the continuous development of computer technology and the continuous improvement of the level of informatization, for grinding for intelligent domestic system
Study carefully and provide solid technology platform with exploitation.Smart home is usually defined as an entirety by we, that is, utilizes advanced meter
Calculation machine technology, network technology, and comprehensive wiring technology, will be relevant each with home life by family information management platform
The special integrated system that a part organically combines.With the continuous refinement of smart home function, its concept is progressively
Extended, more take into account comprehensive requirement of the resident to residential environment performance.Intelligent domestic system from originally with
Intelligence is the product of center of gravity, is changed into an integrated system for possessing the following conditions：First, to be in it is placed in the middle establish one it is logical
Network is interrogated, necessary path is provided for family information, under the control of family's network operating system, by corresponding hardware and is held
Row mechanism, realizes control and monitoring to all household electrical appliances and equipment；Secondly, all household electrical appliances and equipment will pass through certain medium
Platform, forms the communication channel with the external world, to realize the information interchange with the external world, meets remote control, monitoring and exchange
The demand of information；Finally, to meet people to house security, it is comfortable, conveniently, efficiently with environmental protection the needs of.At this stage
The communication mode that intelligent domestic system uses is wired IP networks, and this communication mode needs wholesale investment to be used for independent wiring,
Electromagnetic pollution can be also produced at the same time, the cost of great number prevents smart home from promoting market rapidly.Lack it is a it is more economical more
Add safe intelligent domestic system, meet present huge market demand, really smart home is come into huge numbers of families.
Utility model content
The purpose of this utility model is to provide a kind of intelligent domestic system based on public phone network, it is intended to solve currently without
A intelligent domestic system is connected up based on existing public phone network, with dialing remote control home electrical appliance but also be able to can not only be led to
The problem of crossing remote control control and timing switching control.
The technical solution of the utility model is as follows；
A kind of intelligent domestic system based on public phone network, including：For Intelligent electric curtain control and security alarm signal
The master control borad of processing, the security alarm stored for ring detection, automatic telephone dialing, speech recording and reproducing and number and family are automatically controlled
Making sheet, slowspeed machine and drive module, illumination detector, rain detector, gas detectors, window curtain detector, remote control module,
Electrical equipment drive plate, electric appliance 1, electric appliance 2 and curtain open/close gear box；The illumination detector, rain detector, coal gas detection
Device, window curtain detector and remote control module are the input terminal of the master control borad, the security alarm and home wiring control plate and low speed
Motor and the input terminal of drive module are connected to the output terminal of the master control borad, and the security alarm is defeated with home wiring control plate
Outlet connects the electrical equipment drive plate and Local Exchange, the output terminal of the electrical equipment drive plate and is connected with the electric appliance 1 and electric appliance 2,
The slowspeed machine and the output terminal of drive module are the curtain open/close gear box.
Further according to the intelligent domestic system described in the utility model based on public phone network, the circuit of the master control borad by
89SS2 chips and some capacitances, crystal oscillator, transmitter, connector composition；The 89SS2 chips have 40 pins, pin 6,7,
8th, 9 are connected with the pin 9,3,1,5 of 89SS2_ISP chips respectively, and the 89SS2_ISP is online programming chip, there is 10
Pin, the pin 10 and pin 2 of the chip 89SS2_ISP are connected with ground terminal, and pin 8,6,4 is connected with power supply VCC, institute
The pin 18 for stating chip 89SS2 is connected with the cathode of crystal oscillator Y1 and capacitance C11 one end respectively, the anode and capacitance of the crystal oscillator
One end of C12 is connected, and the other end of pin 20, the capacitance C11 other ends and the capacitance C12 is connected with ground terminal,
Pin 21,22,23,24,25,26,27,28 is respectively with the connector J4's of the status information for receiving the detector transmission
Pin 1,2,3,4,5,6,7,8 is connected, pin 32,33,34,35,36,37,38,39 respectively with for the security alarm
The pin 1,2,3,4,5,6,7,8 that the transmitter J5 of request is sent with home wiring control plate is connected, pin 31 and 40 and power supply VCC
It is connected, port SICN, TONE, SP, INT0 phase with the security alarm and home wiring control plate respectively of pin 15,14,16,12
Even, pin P13, P14 are connected with the slowspeed machine with drive module.
Further according to the intelligent domestic system described in the utility model based on public phone network, the slowspeed machine and driving
The circuit of module is by some resistance, triode, diode, motor and single-pole double-throw switch (SPDT) composition；One end of resistance R27 and resistance
It is connected after one end connection of R21 with the master control borad 89SS2 chips P13 pins, the other end and the power supply VCC of the resistance R27
It is connected, the other end of the resistance R21 divides two-way, is connected all the way with triode Q8 base stages, another way with diode D6 cathodes, institute
State diode D6 anode with DC power supply VC to be connected, the triode Q8 emitters are connected with ground terminal, collector and motor T5
1 port be connected, 2 ports of the motor T5 are connected with the DC power supply VC；The motor T5 rotates forward control electricity by motor
Road controls, and in the motor forward control circuit, ACL is connected with the moved end 3 of single-pole double-throw switch (SPDT), and non-moving end 7 is connected with MA2,
Non-moving end 5 is opened a way, and ACN is connected with the moved end 4 of single-pole double-throw switch (SPDT), and non-moving end 8 is connected with MA1, and non-moving end 6 is opened a way, the MA1
It is that motor rotates forward control contact with MA2, controls 1 port and 2 ports of the motor T5 respectively；One end of resistance R28 and resistance
One end of R22 is connected with the master control borad 89SS2 chips P14 pins, the other end of the resistance R28 and the power supply VCC phases
Even, the other end of the resistance R22 divides two-way, is connected all the way with triode Q9 base stages, and another way is connected with diode D7 cathodes,
The diode D7 anode are connected with the DC power supply VC, and the triode Q9 emitters are connected with the ground terminal, current collection
Pole is connected with 1 port of motor T6, and 2 ports of the motor T6 are connected with the DC power supply VC；The motor T6 is by motor
Reverse turn control circuit controls, and in the motor reversal control circuit, ACL is connected with the moved end 3 of single-pole double-throw switch (SPDT), non-moving end 7
It is connected with MB2, non-moving end 5 is opened a way, and ACN is connected with the moved end 4 of single-pole double-throw switch (SPDT), and non-moving end 8 is connected with MB1, and non-moving end 6 is opened
Road, the MB1 and MB2 are motor reversal control contacts, control the 1 and 2 port of the motor T6 respectively.
Further according to the intelligent domestic system described in the utility model based on public phone network, the security alarm and household electrical appliances
The circuit of control panel is made of some resistance, diode, wire jumper, triode, capacitance, single-pole double-throw switch (SPDT) and audio-frequency transformer；
Resistance R1 one end is connected with resistance R3 one end with the 89SS2 chips P36 pins, the other end and power supply of the resistance R1
2 ports of VCC, diode D5 anode and wire jumper JP1 are connected, 1 port of the JP1 and the cathode and triode of diode D5
The collector of Q1 is connected, and the base stage of the triode Q1 is connected with the other end of the R3, emitter ground connection；The JP1 wire jumpers
To telephone interface circuit, in the telephone interface circuit, telephone connection mouth has 2 ports, one end and diode D1 cathodes and two
Pole pipe D3 anode are connected, and the other end is connected with diode D2 cathodes and diode D4 anode, the anode of the diode D1 and D2
It is connected with single-pole double-throw switch (SPDT) moved end 4, non-moving end 6 is connected with capacitance C2 one end, non-moving end 8 one end with capacitance C1 and electricity respectively
One end of resistance R2 is connected, and the cathode of the diode D3 and D4 is connected with single-pole double-throw switch (SPDT) moved end 3, non-moving end 5 and diode
D7 cathodes are connected, and non-moving end 7 is connected with the other end of the resistance R2 and audio-frequency transformer port 6 respectively, the capacitance C1's
The other end is connected with audio-frequency transformer port 5, and the audio-frequency transformer port 4 is connected with port SICN, port 3 and port 1 with
Ground terminal is connected, and port 2 is connected with port TONE, and port 7 and 8 is connected with port SP, the other end of the capacitance C2 and breakdown
Diode D6 anode are connected, and the diode D6 cathodes are connected with one end of resistance R5, four tunnels of the resistance R5 other ends point,
It is connected all the way with the diode D7 anode, connects resistance R4 one end all the way, all the way connectivity port INT0, all the way connection ground connection
End, the other end of the resistance R4 are connected with power supply VCC.
Compared with present technology, its advantage is the utility model：
1. economic security, the utility model is to be based on payphone Network Communication, it is not necessary to extra laying-out, it is more economical real
Favour, beneficial to popularization, the intelligent domestic system to communicate on the basis of public phone network is than the intelligence based on wireless communication or wired IP networks
Can house system more safety and stability, while electromagnetic pollution will not be produced.
2. control mode is various, the utility model has three kinds of control modes, remote control control, timing switching control and long-range
Dialing controls.Multiple control modes make intelligent domestic system more convenient to use, and unique remote phone dialing control is more
Add stabilization, it is not easy to receive extraneous factor interference.
Brief description of the drawings
Fig. 1 is the system construction drawing of the utility model；
Fig. 2 is the circuit diagram of the master control borad of the utility model；
Fig. 3 is the slowspeed machine of the utility model and the circuit diagram of drive module；
Fig. 4 is the circuit diagram of the security alarm with home wiring control plate of the utility model.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing, to this reality
It is further elaborated with new.It should be appreciated that specific embodiment described herein is only to explain the utility model,
It is not used to limit the utility model.
The system construction drawing of the utility model is as shown in Figure 1, by for Intelligent electric curtain control and security alarm signal
The master control borad of processing, the security alarm stored for ring detection, automatic telephone dialing, speech recording and reproducing and number and family are automatically controlled
Making sheet, slowspeed machine and drive module, illumination detector, rain detector, gas detectors, window curtain detector, remote control module,
Electrical equipment drive plate, electric appliance 1, electric appliance 2 and curtain open/close gear box composition.The illumination detector, rain detector, combustion gas
Detector, window curtain detector and remote control module are the input terminal of the master control borad.The security alarm and home wiring control plate and
Slowspeed machine and the input terminal of drive module are connected to the output terminal of the master control borad.The security alarm and home wiring control plate
Output terminal connect the electrical equipment drive plate and Local Exchange.The output terminal of the electrical equipment drive plate and 2 phase of the electric appliance 1 and electric appliance
Even.The slowspeed machine and the output terminal of drive module are the curtain open/close gear box.
The circuit structure of the master control borad as shown in Fig. 2, its by 89SS2 chips and some capacitances, crystal oscillator, transmitter, company
Device composition is connect, the 89SS2 chips there are 40 pins, the pin 9,3,1,5 with 89SS2_ISP chips respectively of pin 6,7,8,9
It is connected, the 89SS2_ISP is online programming chip, there is 10 pins, the pin 10 and pin 2 of the chip 89SS2_ISP
It is connected with ground terminal, pin 8,6,4 is connected with power supply VCC.The pin 18 of the chip 89SS2 respectively with the cathode of crystal oscillator Y1 and
Capacitance C11 one end is connected, and the anode of the crystal oscillator is connected with one end of capacitance C12, pin 20, the capacitance C11 other ends with
And the other end of the capacitance C12 is connected with ground terminal, pin 21,22,23,24,25,26,27,28 respectively with for connecing
The pin 1,2,3,4,5,6,7,8 for receiving the connector J4 for the status information that the detector is sent is connected, pin 32,33,34,
35th, 36,37,38,39 respectively the pin 1 with the transmitter J5 for sending request to the security alarm and home wiring control plate,
2nd, 3,4,5,6,7,8 are connected, and pin 31 and 40 is connected with power supply VCC.Pin 15,14,16,12 respectively with the security alarm
It is connected with port SICN, TONE, SP, INT0 of home wiring control plate.Pin P13, P14 and the slowspeed machine and drive module
It is connected.
The slowspeed machine and the circuit structure of drive module as shown in figure 3, its by some resistance, triode, diode,
After one end connection of motor and single-pole double-throw switch (SPDT) composition, one end of resistance R27 and resistance R21 with the master control borad 89SS2 cores
Piece P13 pins are connected, and the other end of the resistance R27 is connected with power supply VCC, and the other end of the resistance R21 divides two-way, and one
Road and triode Q8 base stages, another way are connected with diode D6 cathodes, and the diode D6 anode are connected with DC power supply VC,
The triode Q8 emitters are connected with ground terminal, and collector is connected with 1 port of motor T5,2 ports of the motor T5 with
The DC power supply VC is connected.The motor T5 is controlled by motor forward control circuit, in the motor forward control circuit,
ACL is connected with the moved end 3 of single-pole double-throw switch (SPDT), and non-moving end 7 is connected with MA2, and non-moving end 5 is opened a way, ACN and single-pole double-throw switch (SPDT)
Moved end 4 be connected, non-moving end 8 is connected with MA1, and non-moving end 6 is opened a way, the MA1 and MA2 be motor rotate forward control contact, respectively
Control the 1 and 2 port of the motor T5.One end of resistance R28 and one end of resistance R22 and the master control borad 89SS2 cores
Piece P14 pins are connected, and the other end of the resistance R28 is connected with the power supply VCC, and the other end of the resistance R22 divides two-way,
It is connected all the way with triode Q9 base stages, another way is connected with diode D7 cathodes, the diode D7 anode and the direct current
Source VC is connected, and the triode Q9 emitters are connected with the ground terminal, and collector is connected with 1 port of motor T6, the electricity
2 ports of machine T6 are connected with the DC power supply VC.The motor T6 is controlled by motor reversal control circuit, and the motor is anti-
Turn in control circuit, ACL is connected with the moved end 3 of single-pole double-throw switch (SPDT), and non-moving end 7 is connected with MB2, and non-moving end 5 is opened a way, ACN with
The moved end 4 of single-pole double-throw switch (SPDT) is connected, and non-moving end 8 is connected with MB1, and non-moving end 6 is opened a way, and the MB1 and MB2 are motor reversals
Control contact, controls 1 port and 2 ports of the motor T6 respectively.
The ACL is exchange firewire.
The ACN is AC neutral line.
The circuit structure of the security alarm and home wiring control plate as shown in figure 4, its by some resistance, diode, wire jumper,
Triode, capacitance, single-pole double-throw switch (SPDT) and audio-frequency transformer composition, resistance R1 one end and resistance R3 one end and the 89SS2 cores
Piece P36 pins are connected, and the other end of the resistance R1 is connected with 2 ports of power supply VCC, diode D5 anode and wire jumper JP1,
1 port of the JP1 and the cathode of diode D5 are connected with the collector of triode Q1, the base stage of the triode Q1 and institute
The other end for stating R3 is connected, emitter ground connection.The JP1 wire jumpers are to telephone interface circuit, in the telephone interface circuit, phone
Connection jaws have 2 ports, and one end is connected with diode D1 cathodes and diode D3 anode, the other end and diode D2 cathodes and two
Pole pipe D4 anode are connected, and the anode of the diode D1 and D2 is connected with single-pole double-throw switch (SPDT) moved end 4, non-moving end 6 and capacitance C2
One end is connected, and non-moving end 8 is connected with one end of capacitance C1 and one end of resistance R2 respectively, the cathode of the diode D3 and D4 with
Single-pole double-throw switch (SPDT) moved end 3 is connected, and non-moving end 5 is connected with diode D7 cathodes, and non-moving end 7 is another with the resistance R2 respectively
End is connected with audio-frequency transformer port 6, and the other end of the capacitance C1 is connected with audio-frequency transformer port 5, the audio transformation
Device port 4 is connected with port SICN, and port 3 and port 1 are connected with ground terminal, and port 2 is connected with port TONE, port 7 and 8 with
Port SP is connected, and the other end of the capacitance C2 is connected with breakdown diode D6 anode, the diode D6 cathodes and resistance R5
One end be connected, the resistance R5 other ends point four tunnels, are connected with the diode D7 anode all the way, connect resistance R4 mono- all the way
End, connectivity port INT0, connects ground terminal all the way all the way, and the other end of the resistance R4 is connected with power supply VCC.
Described port SICN, TONE, SP, INT0 pin 15,14,16,12 with the master control borad 89SS2 chips respectively
It is connected.
When the utility model is used, the I/O interfaces of the 89SS2 chips of the master control borad, memory and communication interface carry out
Initialization, the remote control module scans key commands, if pressing open button, performs curtain and opens order, detected by the window curtain
Device judges motor status, if rotated forward, by the slowspeed machine and drive module control curtain motor reversion, if motor
Inverting, then rotated forward by the slowspeed machine and drive module circuit control curtain motor；If pressing close button, curtain is performed
Order is closed, motor status are judged by the window curtain detector, if rotated forward, by the slowspeed machine and drive module circuit
Curtain motor reversion is controlled, if motor is inverting, curtain motor is being controlled just by the slowspeed machine and drive module circuit
Turn；If pressing the control key of corresponding electric appliance, the master control borad, which will order, passes through the security alarm and home wiring control plate control
The electrical equipment drive plate is made, so as to control corresponding electric appliance.The utility model is an intelligence system, by the illumination detector
When detecting that illumination is too strong, or when the rain detector detects rainy, the 89SS2 chips high level will be transmitted to, so
After perform the curtain and close order.The utility model can also detect gas content by gas detectors, if gas content mistake
Gao Shi, will be conveyed to the 89SS2 chips high level, and by a series of processing, alarm command is passed to the peace by the chip
Anti- alarm and home wiring control plate, then play out the warning voice that records before and by local telephone network office alarm, so as to fulfill peace
The function of anti-alarm.
It the above is only and the preferred embodiment of the utility model is described, not by the technical side of the utility model
Case is limited to this, and any known deformation that those skilled in the art are made on the basis of the major technique design of the utility model belongs to
The claimed technology category of the utility model, the specific protection domain of the utility model are subject to the record of claims.
Claims (4)
- A kind of 1. intelligent domestic system based on public phone network, it is characterised in that including：For Intelligent electric curtain control and security protection The master control borad of alarm signal processing, the security alarm for ring detection, automatic telephone dialing, speech recording and reproducing and number storage With home wiring control plate, slowspeed machine and drive module, illumination detector, rain detector, gas detectors, window curtain detector, Remote control module, electrical equipment drive plate, electric appliance 1, electric appliance 2 and curtain open/close gear box；The illumination detector, rain detector, Gas detectors, window curtain detector and remote control module be the master control borad input terminal, the security alarm and home wiring control Plate and slowspeed machine and the input terminal of drive module are connected to the output terminal of the master control borad, and the security alarm and family are automatically controlled The output terminal of making sheet connects the electrical equipment drive plate and Local Exchange, the output terminal of the electrical equipment drive plate and the electric appliance 1 and electricity Device 2 is connected, and the output terminal of the slowspeed machine and drive module is the curtain open/close gear box.
- 2. the intelligent domestic system according to claim 1 based on public phone network, it is characterised in that the circuit of the master control borad It is made of 89SS2 chips and some capacitances, crystal oscillator, transmitter, connector；The 89SS2 chips have 40 pins, pin 6,7, 8th, 9 are connected with the pin 9,3,1,5 of 89SS2_ISP chips respectively, and the 89SS2_ISP is online programming chip, has 10 to draw Foot, the pin 10 and pin 2 of the chip 89SS2_ISP are connected with ground terminal, and pin 8,6,4 is connected with power supply VCC, the core The pin 18 of piece 89SS2 is connected with the cathode of crystal oscillator Y1 and capacitance C11 one end respectively, and the anode of the crystal oscillator is with capacitance C12's One end is connected, and the other end of pin 20, the capacitance C11 other ends and the capacitance C12 is connected with ground terminal, pin 21st, 22,23,24,25,26,27,28 respectively with the pin of the connector J4 of status information sent for receiving the detector 1st, 2,3,4,5,6,7,8 are connected, pin 32,33,34,35,36,37,38,39 respectively with for the security alarm and household electrical appliances The pin 1,2,3,4,5,6,7,8 that control panel sends the transmitter J5 of request is connected, and pin 31 and 40 is connected with power supply VCC, draws Foot 15,14,16,12 is connected with the security alarm with port SICN, TONE, SP, INT0 of home wiring control plate respectively, pin P13, P14 are connected with the slowspeed machine with drive module.
- 3. the intelligent domestic system according to claim 2 based on public phone network, it is characterised in that the slowspeed machine is with driving The circuit of dynamic model block is by some resistance, triode, diode, motor and single-pole double-throw switch (SPDT) composition；One end of resistance R27 and electricity It is connected after one end connection of resistance R21 with the master control borad 89SS2 chips P13 pins, the other end and power supply of the resistance R27 VCC is connected, and the other end of the resistance R21 divides two-way, all the way with triode Q8 base stages, another way and diode D6 cathode phases Even, the diode D6 anode are connected with DC power supply VC, and the triode Q8 emitters are connected with ground terminal, collector and electricity 1 port of machine T5 is connected, and 2 ports of the motor T5 are connected with the DC power supply VC；The motor T5 is rotated forward by motor and controlled Circuit control processed, in the motor forward control circuit, ACL is connected with the moved end 3 of single-pole double-throw switch (SPDT), non-moving end 7 and MA2 phases Even, non-moving end 5 is opened a way, and ACN is connected with the moved end 4 of single-pole double-throw switch (SPDT), and non-moving end 8 is connected with MA1, and non-moving end 6 is opened a way, described MA1 and MA2 is that motor rotates forward control contact, controls the 1 and 2 port of the motor T5 respectively；One end of resistance R28 and electricity One end of resistance R22 is connected with the master control borad 89SS2 chips P14 pins, the other end of the resistance R28 and the power supply VCC It is connected, the other end of the resistance R22 divides two-way, is connected all the way with triode Q9 base stages, another way and diode D7 cathode phases Even, the diode D7 anode are connected with the DC power supply VC, and the triode Q9 emitters are connected with the ground terminal, collection Electrode is connected with 1 port of motor T6, and 2 ports of the motor T6 are connected with the DC power supply VC；The motor T6 is by electricity Machine reverse turn control circuit controls, and in the motor reversal control circuit, ACL is connected with the moved end 3 of single-pole double-throw switch (SPDT), non-moving end 7 are connected with MB2, and non-moving end 5 is opened a way, and ACN is connected with the moved end 4 of single-pole double-throw switch (SPDT), and non-moving end 8 is connected with MB1, non-moving end 6 Open circuit, the MB1 and MB2 are motor reversal control contacts, control the 1 and 2 port of the motor T6 respectively.
- 4. the intelligent domestic system according to claim 2 based on public phone network, it is characterised in that the security alarm and family The circuit of automatically controlled making sheet is by some resistance, diode, wire jumper, triode, capacitance, single-pole double-throw switch (SPDT) and audio-frequency transformer group Into；Resistance R1 one end is connected with resistance R3 one end with the 89SS2 chips P36 pins, the other end and power supply of the resistance R1 2 ports of VCC, diode D5 anode and wire jumper JP1 are connected, 1 port of the JP1 and the cathode and triode of diode D5 The collector of Q1 is connected, and the base stage of the triode Q1 is connected with the other end of the R3, emitter ground connection；The JP1 wire jumpers To telephone interface circuit, in the telephone interface circuit, telephone connection mouth has 2 ports, one end and diode D1 cathodes and two Pole pipe D3 anode are connected, and the other end is connected with diode D2 cathodes and diode D4 anode, the anode of the diode D1 and D2 It is connected with single-pole double-throw switch (SPDT) moved end 4, non-moving end 6 is connected with capacitance C2 one end, non-moving end 8 one end with capacitance C1 and electricity respectively One end of resistance R2 is connected, and the cathode of the diode D3 and D4 is connected with single-pole double-throw switch (SPDT) moved end 3, non-moving end 5 and diode D7 cathodes are connected, and non-moving end 7 is connected with the other end of the resistance R2 and audio-frequency transformer port 6 respectively, the capacitance C1's The other end is connected with audio-frequency transformer port 5, and the audio-frequency transformer port 4 is connected with port SICN, port 3 and port 1 with Ground terminal is connected, and port 2 is connected with port TONE, and port 7 and 8 is connected with port SP, the other end of the capacitance C2 and breakdown Diode D6 anode are connected, and the diode D6 cathodes are connected with one end of resistance R5, four tunnels of the resistance R5 other ends point, and one Road is connected with the diode D7 anode, connects resistance R4 one end all the way, and connectivity port INT0, connects ground terminal all the way all the way, The other end of the resistance R4 is connected with power supply VCC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524494.2U CN207321276U (en) | 2017-05-12 | 2017-05-12 | A kind of intelligent domestic system based on public phone network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524494.2U CN207321276U (en) | 2017-05-12 | 2017-05-12 | A kind of intelligent domestic system based on public phone network |
Publications (1)
| Publication Number | Publication Date |
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| CN207321276U true CN207321276U (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720524494.2U Active CN207321276U (en) | 2017-05-12 | 2017-05-12 | A kind of intelligent domestic system based on public phone network |
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| Country | Link |
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| CN (1) | CN207321276U (en) |
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2017
- 2017-05-12 CN CN201720524494.2U patent/CN207321276U/en active Active
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