CN203243420U - Regional power supply management controller based on PSTN - Google Patents
Regional power supply management controller based on PSTN Download PDFInfo
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- CN203243420U CN203243420U CN 201320244760 CN201320244760U CN203243420U CN 203243420 U CN203243420 U CN 203243420U CN 201320244760 CN201320244760 CN 201320244760 CN 201320244760 U CN201320244760 U CN 201320244760U CN 203243420 U CN203243420 U CN 203243420U
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Abstract
The utility model relates to a regional power supply management controller based on a PSTN. The controller comprises a MCU module, a keystroke input circuit, a display circuit, a data acquisition circuit, a ringing detection circuit, an analog off-hook circuit, a voice prompt circuit, a DTMF decoder circuit, and a relay execution circuit. The controller enables remote control, allows only a telephone line without special wiring to effectively manage and control a power supply with low cost, and can automatically send an alarm to the user while detecting an abnormal current or voltage.
Description
Technical field
The utility model relates to the power supply control field, is specifically related to a kind of regional power supply management and control device based on PSTN.
Background technology
Traditional wireless remote control technology can not utilize existing telecommunications network resource, does not realize Long-distance Control, does not have certain superiority, need to carry out special wiring, takies the radio frequency resource, makes electromagnetism be subject to serious pollution.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of regional power supply management and control device based on PSTN is provided, should can realize Long-distance Control based on the regional power supply management and control device of PSTN, and need not to carry out special wiring, only need a telephone wire, just can carry out effective management and control to power supply, cost is low, when detecting electric current, electric voltage exception, also can be initiatively to User Alarms.
The purpose of this utility model is achieved in that a kind of regional power supply management and control device based on PSTN, comprise MCU module, button inputting circuits, display circuit, data acquisition circuit, ring detecting circuit, imitate pick machine circuit, voice warning circuit, DTMF decoding circuit and relay executive circuit, described button inputting circuits is used for setting user information; Described display circuit is used for showing user and job information; Telephone ring signal on the telephone wire that described ring detecting circuit is used for detecting passes to the MCU module, described MCU module is accepted user's mobile phone or the telephone ring signal of phone, whether the ringing number of judging telephone ring signal reaches default ringing number, the output control signal is to the imitate pick machine circuit, and the control simulation circuit for answering is carried out the off-hook action; The MCU module starts voice warning circuit and sends prompt tone, and voice warning circuit sends to prompt tone in user's the mobile phone or phone by telephone wire; Described DTMF decoding circuit is used for the operator is decoded by the action command that telephone wire sends, and sends decoded action command to the MCU module; Described MCU module drives the relay executive circuit, the energising of control load or outage after the action command that receives is carried out cryptographic check; Described data acquisition circuit passes to the MCU module for electric current and the voltage signal of the load that will gather, described MCU module is accepted electric current and the voltage signal of load, whether electric current and the magnitude of voltage of judging load surpass default electric current, magnitude of voltage, and the output control signal is to imitate pick machine circuit and DTMF decoding circuit; Described MCU module reception control signal control simulation circuit for answering is carried out the off-hook action, and control DTMF decoding circuit sends number that the user sets in advance carry out dial action in user's mobile phone or phone; The MCU module starts electric current, the electric voltage exception of voice warning circuit prompting load, the outage of MCU module drive relay executive circuit control load.
It is the single-chip microcomputer of STC90C58AD that described MCU module adopts model.
Described data acquisition circuit comprises voltage transformer L1, current transformer L2, rectifier diode D5, rectifier diode D6, dual operational amplifier U5 and some resistance, electric capacity, wherein, series resistance R34 between input of voltage transformer L1 and the power supply access port of load, R35, series resistance R32 between another power supply access port of another input of voltage transformer L1 and load, R33, the output of voltage transformer L1 connects the positive pole of rectifier diode D5, the negative pole of rectifier diode D5 connects the positive pole of capacitor C 37, the negative pole of capacitor C 37 connects another output of voltage transformer L1, capacitor C 37 two ends are parallel with capacitor C 36, resistance R 24 be connected in parallel on again capacitor C 36 two ends after resistance R 25 is connected, the 3rd pin of dual operational amplifier U5 is connected between resistance R 24 and the resistance R 25, two inputs of current transformer L2 connect respectively two power supply access ports of load, the output of current transformer L2 connects the positive pole of rectifier diode D6, the negative pole of rectifier diode D6 connects the positive pole of capacitor C 39, the negative pole of capacitor C 39 connects another output of current transformer L2, capacitor C 39 two ends are parallel with filter capacitor C38, resistance R 27 be connected in parallel on again capacitor C 38 two ends after resistance R 28 is connected, the 5th pin of dual operational amplifier U5 is connected between resistance R 27 and the resistance R 28, the 1st of dual operational amplifier U5,2 pin are connected with the first input end of MCU module after connecting again, the 6th of dual operational amplifier U5,7 pin are connected with the second input of MCU module after connecting again, the 7th pin of dual operational amplifier U5 connects 5V voltage, the 4th pin ground connection of dual operational amplifier U5.
Described ring detecting circuit comprises bridge heap B1, voltage stabilizing didoe DZ1, photoelectrical coupler U1, triode Q1 and some electric capacity, resistance, two inputs of bridge heap B1 connect respectively capacitor C 1, the end of C2, capacitor C 1, the other end of C2 connects respectively the input port L1 of telephone wire, L2, two outputs of bridge heap B1 are provided with reserves port L1-1, L2-1, the end of the output contact resistance R6 of bridge heap B1, the other end of resistance R 6 connects the negative pole of voltage stabilizing didoe DZ1, the positive pole of capacitor C 3, resistance R 7 one ends, another output of the anodal connecting bridge heap B1 of voltage stabilizing didoe DZ1, another output of the negative pole connecting bridge heap B1 of capacitor C 3, the other end of resistance R 7 connects the input of photoelectrical coupler U1, another output of another input connecting bridge heap B1 of photoelectrical coupler U1, the end of the output contact resistance R8 of photoelectrical coupler U1, another output of photoelectrical coupler U1 connects voltage VCC, one end of capacitor C 36, the end of the other end contact resistance R9 of capacitor C 36, the collector electrode of the other end connecting triode Q1 of resistance R 9, the collector electrode of triode Q1 connects the MCU module, the base stage of the other end connecting triode Q1 of resistance R 8, the grounded emitter of triode Q1.
Described imitate pick machine circuit comprises triode T1, relay K 1, power resistor R48, filter capacitor C33, double-pole transformer T6, audio-frequency power amplifier U7, rheostat W3 and capacitor C 35, the base stage of triode T1 connects the MCU module by resistance R 12, the grounded emitter of triode T1, coil one end of the collector connection relay K1 of triode T1, the coil other end of relay K 1 connects voltage VCC, one end of the normally opened contact of relay K 1 connects respectively reserves port L1-1, L2-1, the other end of the normally opened contact of relay K 1 connects respectively the end of power resistor R48, the input of transformer T6, another end of the other end connection transformer T6 of power resistor R48, the output head grounding of transformer T6, another output of transformer T6 connects the end of filter capacitor C33, the other end of filter capacitor C33 connects the DTMF interface of DTMF decoding circuit, the output of audio-frequency power amplifier U7, the other end of filter capacitor C33 also is connected with a TC filter circuit that is comprised of capacitor C 15 and resistance R 23, the inverting input of audio-frequency power amplifier U7 connects the stiff end of rheostat W3, the reverse inter-input-ing ending grounding of audio-frequency power amplifier U7, another stiff end of rheostat W3 connects the SP+ interface of voice warning circuit, the normal phase input end of audio-frequency power amplifier U7 connects an end of capacitor C 35, the other end of capacitor C 35 connects the sliding end of rheostat W3, the positive power source terminal of audio-frequency power amplifier U7 connects voltage VCC, the negative power end ground connection of audio-frequency power amplifier U7.
Described voice warning circuit comprises speech chip U6, the SP+ interface of described speech chip U6 is connected with the SP+ interface of imitate pick machine circuit, the control interface of described speech chip U6 is connected with the MCU module, and it is the integrated circuit of ISD2500 that described speech chip U6 adopts model.
Described DTMF decoding circuit comprises DTMF decoding chip IC4, the DTMF interface of described DTMF decoding chip IC4 is connected with the DTMF interface of imitate pick machine circuit, the control interface of described DTMF decoding chip IC4 is connected with the MCU module, and it is the dual tone receiver of HT9170 that described DTMF decoding chip adopts model.
Described relay executive circuit comprises relay J DQ2, triode Q3 and resistance R 21, the end of the base stage contact resistance R21 of described triode Q3, the other end of resistance R 21 connects the MCU module, the grounded emitter of triode Q3, coil one end of the collector connection relay JDQ2 of triode Q3, the other end of the coil of relay J DQ2 connects 12V voltage, and the contact of relay J DQ2 connects the power supply access port of load.
If the electric current of the load that described data acquisition circuit gathers and magnitude of voltage surpass electric current, magnitude of voltage that the user arranges, then the MCU module is judged electric current and the electric voltage exception of load, the MCU module starts electric current, the electric voltage exception of voice warning circuit prompting load, and to the order of MCU module transmission request action, in the electric current of load and the electric voltage exception situation, under the user preset number of times, normally do not answer the called telephone of DTMF decoding circuit, the outage of MCU module drive relay executive circuit control load.
The beneficial effects of the utility model are: because the utility model is based on a kind of regional power supply management and control device that PSTN is public switched telephone network.Therefore under any structure that does not change existing room environment, only need a telephone wire.Can utilize the switch of the utility model control area power supply, thereby the power supply of load is carried out effective management and control.And when data acquisition circuit detects electric current, the electric voltage exception of load, the MCU module can ACTIVE CONTROL DTMF decoding circuit to User Alarms, and request abnormality processing mode.The utility model cost is lower, and can realize Long-distance Control.At the end of incoming cables of user area access the utility model, can control the power supply control of power supply and the individual unit in whole zone.Call by the user, can realize trans-regional Long-distance Control and monitoring of striding the time.And the utility model can be expanded very easily peripheral relay and carry out integrated circuit board, thereby can control a plurality of regional power supplys or facility switching.
Description of drawings
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is the circuit diagram of MCU module;
Fig. 3 is the circuit diagram of data acquisition circuit;
Fig. 4 is the circuit diagram of ring detecting circuit;
Fig. 5 is the circuit diagram of imitate pick machine circuit;
Fig. 6 is the circuit diagram of voice warning circuit;
Fig. 7 is the circuit diagram of DTMF decoding circuit;
Fig. 8 is the circuit diagram of relay executive circuit;
Fig. 9 is the circuit diagram of button inputting circuits;
Figure 10 is the circuit diagram of display circuit.
In the accompanying drawing, 1 is the MCU module, and 2 is button inputting circuits, and 3 is display circuit, and 4 is data acquisition circuit, and 5 is ring detecting circuit, and 6 is the imitate pick machine circuit, and 7 is voice warning circuit, and 8 is the DTMF decoding circuit, and 9 is the relay executive circuit, and 10 is telephone wire.
Embodiment
Referring to Fig. 1, a kind of regional power supply management and control device based on PSTN, comprise MCU module 1, button inputting circuits 2, display circuit 3, data acquisition circuit 4, ring detecting circuit 5, imitate pick machine circuit 6, voice warning circuit 7, DTMF decoding circuit 8 relay executive circuits 9, described button inputting circuits 2 is used for setting user information; Described display circuit 3 is used for showing user and job information; Telephone ring signal on the telephone wire 10 that described ring detecting circuit 5 is used for detecting passes to MCU module 1, described MCU module 1 is accepted user's mobile phone or the telephone ring signal of phone, whether the ringing number of judging telephone ring signal reaches default ringing number, the output control signal is to imitate pick machine circuit 6, and control simulation circuit for answering 6 is carried out the off-hook action; MCU module 1 starts voice warning circuit 7 and sends prompt tone, and voice warning circuit 7 sends to prompt tone in user's the mobile phone or phone by telephone wire 10; Described DTMF decoding circuit 8 is used for the operator is decoded by the action command that telephone wire sends, and sends decoded action command to MCU module 1; Described MCU module 1 drives the relay executive circuit, the energising of control load or outage after the action command that receives is carried out cryptographic check; Described data acquisition circuit 4 passes to MCU module 1 for electric current and the voltage signal of the load that will gather, described MCU module 1 is accepted electric current and the voltage signal of load, whether electric current and the magnitude of voltage of judging load surpass default electric current, magnitude of voltage, and the output control signal is to imitate pick machine circuit 6 and DTMF decoding circuit 8; Described MCU module 1 reception control signal control simulation circuit for answering 6 is carried out the off-hooks action, and control DTMF decoding circuit 8 sends number that users set in advance carry out dial action in user's mobile phone or phone; MCU module 1 starts electric current and the electric voltage exception of voice warning circuit 7 prompting loads, and MCU module 1 drives the outage of relay executive circuit 9 control loads.If electric current and the magnitude of voltage of the load that described data acquisition circuit 4 gathers surpass electric current, the magnitude of voltage that the user arranges, then MCU module 1 is judged electric current and the electric voltage exception of load, MCU module 1 starts electric current and the electric voltage exception of voice warning circuit 7 prompting loads, and sends the request action order to MCU module 1.In the electric current of load and the electric voltage exception situation, normally do not answer the called telephone of DTMF decoding circuit 8 under the user preset number of times, MCU module 1 drives the outage of relay executive circuit 9 control loads.User of the present utility model can be the individual, also can be a unit.The corresponding password of user.This power supply management and control device can be controlled the power supply in a zone or the voltage in a plurality of zones.Call by the user, can realize trans-regional Long-distance Control and monitoring of striding the time.And can expand very easily peripheral relay and carry out integrated circuit board, thereby can control a plurality of regional power supplys or facility switching.
Referring to Fig. 2, it is the single-chip microcomputer U4 of STC90C58AD series that described MCU module adopts model.The single-chip microcomputer of this STC90C58AD series be STC release of new generation superpower anti-interference/at a high speed/single-chip microcomputer of low-power consumption, instruction code is 8051 traditional single-chip microcomputers of compatibility fully, 12 clocks/machine cycle and 6 clocks/machine cycle can be selected arbitrarily.Inner integrated MAX810 Special reset circuit, when clock frequency during at 6MHz, this reset circuit is reliable; When clock frequency during at 12MHz, available reluctantly.In less demanding situation, can reset at resetting pin outer meeting resistance electric capacity.8 tunnel 10 high-speed a/d converters (can reach 250,000 times/second).Capacitor C 20, C21 and crystal oscillator X1 consist of crystal oscillating circuit.Capacitor C 19, resistance R 43, button KEY5 consist of the button reset circuit.The EA end interface is connected to high level by resistance, uses internal storage.The P0 port need to be exported high/low level, draws exclusion RP1 on one so the P0 port has connected.Capacitor C 6 is connected to VCC and GND end, as decoupling capacitor.Described single-chip microcomputer U4 is connected with real time clock circuit.This real time clock circuit adopts the typical case of chip to use circuit, for timing switch and system works provide precise time.
Referring to Fig. 3, described data acquisition circuit comprises voltage transformer L1, current transformer L2, rectifier diode D5, rectifier diode D6, dual operational amplifier U5 and some resistance, electric capacity, wherein, series resistance R34 between input of voltage transformer L1 and the power supply access port LI-1 of load, R35, series resistance R32 between another power supply access port NI-1 of another input of voltage transformer L1 and load, R33, the output of voltage transformer L1 connects the positive pole of rectifier diode D5, the negative pole of rectifier diode D5 connects the positive pole of capacitor C 37, the negative pole of capacitor C 37 connects another output of voltage transformer L1, capacitor C 37 two ends are parallel with capacitor C 36, resistance R 24 be connected in parallel on again capacitor C 36 two ends after resistance R 25 is connected, the 3rd pin of dual operational amplifier U5 is connected between resistance R 24 and the resistance R 25, two inputs of current transformer L2 connect respectively two power supply access port LI of load, NI, the output of current transformer L2 connects the positive pole of rectifier diode D6, the negative pole of rectifier diode D6 connects the positive pole of capacitor C 39, the negative pole of capacitor C 39 connects another output of current transformer L2, capacitor C 39 two ends are parallel with filter capacitor C38, resistance R 27 be connected in parallel on again capacitor C 38 two ends after resistance R 28 is connected, the 5th pin of dual operational amplifier U5 is connected between resistance R 27 and the resistance R 28, the 1st of dual operational amplifier U5,2 pin are connected with the A/D0 port of single-chip microcomputer U4 after connecting again, the 6th of dual operational amplifier U5,7 pin are connected with the A/D1 port of single-chip microcomputer U4 after connecting again, the 7th pin of dual operational amplifier U5 connects 5V voltage, the 4th pin ground connection of dual operational amplifier U5.LI-2, NI-2 are for connecting the port of load, and therefore, after the load access, circuit just can detect electric current and the voltage of load work at present.LI-1 and NI-1 are the inputs that is positioned at behind Anti-surging and the pressure-sensitive device.
Referring to Fig. 4, described ring detecting circuit comprises bridge heap B1, voltage stabilizing didoe DZ1, photoelectrical coupler U1, triode Q1 and some electric capacity, resistance, two inputs of bridge heap B1 connect respectively capacitor C 1, the end of C2, capacitor C 1, the other end of C2 connects respectively the input port L1 of telephone wire, L2, two outputs of bridge heap B1 are provided with reserves port L1-1, L2-1, the end of the output contact resistance R6 of bridge heap B1, the other end of resistance R 6 connects the negative pole of voltage stabilizing didoe DZ1, the positive pole of capacitor C 3, resistance R 7 one ends, another output of the anodal connecting bridge heap B1 of voltage stabilizing didoe DZ1, another output of the negative pole connecting bridge heap B1 of capacitor C 3, the other end of resistance R 7 connects the input of photoelectrical coupler U1, another output of another input connecting bridge heap B1 of photoelectrical coupler U1, the end of the output contact resistance R8 of photoelectrical coupler U1, another output of photoelectrical coupler U1 connects voltage VCC, one end of resistance R 9, the collector electrode of the other end connecting triode Q1 of resistance R 9, the collector electrode of triode Q1 connects the P3.4 port of single-chip microcomputer U4, the base stage of the other end connecting triode Q1 of resistance R 8, the grounded emitter of triode Q1.This ring detecting circuit consists of as main take optocoupler 4N35, when bell signal is arranged, ringing-current enters 4N35 input output pulse square wave signal, through amplifying, deliver to the P3.4 port of single-chip microcomputer U4 after the shaping, CPU counts bell signal, because voice signal and double-audio signal voltage is far below ringing signal voltage, this circuit can not cause erroneous judgement.
Referring to Fig. 5, described imitate pick machine circuit comprises triode T1, relay K 1, power resistor R48, filter capacitor C33, double-pole transformer T6, audio-frequency power amplifier U7, rheostat W3 and capacitor C 35, and the base stage of triode T1 connects the P3.3 port of single-chip microcomputer U4 by resistance R 12.The grounded emitter of triode T1, coil one end of the collector connection relay K1 of triode T1, the coil other end of relay K 1 connects voltage VCC, one end of the normally opened contact of relay K 1 connects respectively reserves port L1-1, L2-1, the other end of the normally opened contact of relay K 1 connects respectively the end of power resistor R48, the input of transformer T6, another end of the other end connection transformer T6 of power resistor R48, the output head grounding of transformer T6, another output of transformer T6 connects the end of filter capacitor C33, the other end of filter capacitor C33 connects the DTMF interface of DTMF decoding circuit, the output of audio-frequency power amplifier U7, the other end of filter capacitor C33 also is connected with a TC filter circuit that is comprised of capacitor C 15 and resistance R 23, the inverting input of audio-frequency power amplifier U7 connects the stiff end of rheostat W3, the reverse inter-input-ing ending grounding of audio-frequency power amplifier U7, another stiff end of rheostat W3 connects the SP+ interface of voice warning circuit, the normal phase input end of audio-frequency power amplifier U7 connects an end of capacitor C 35, the other end of capacitor C 35 connects the sliding end of rheostat W3, the positive power source terminal of audio-frequency power amplifier U7 connects voltage VCC, the negative power end ground connection of audio-frequency power amplifier U7.The coil two ends of relay K 1 are connected with rectifier diode D8.Indicator light D1 and the coil two ends that are connected in parallel on relay K 1 after resistance R 1 is connected.When still nobody plucks phone after the number of rings that ringing number arranges in advance greater than the user, MCU module controls imitate pick machine circuit automatic off-hook.This moment, the P3.3 port of single-chip microcomputer U4 set high level, the trigger triode conducting.This moment, indicator light lighted, the relay adhesive, and this moment, the external call circuit directly was added in the power resistor two ends after the rectification of bridge heap.Voltage signal through transformer passes through filter capacitor C33, and by capacitor C 15, the TC filter circuit of resistance R 23 combinations is transferred to the DTMF modulation port.The telephone line internal resistance of this moment is 3K, and telecommunication bureau's switch had both been thought and begun to connect ticketing by off-hook of callee.Audio-frequency power amplifier, rheostat W3, capacitor C 35 consists of amplifying circuit.The signal of SP+ port amplifies through amplifying circuit, passes through C15 again, and the RC filter circuit filtering that C23 consists of is then by transformer coupled to telephone wire.
Referring to Fig. 6, described voice warning circuit comprises speech chip U6, and the SP+ interface of described speech chip U6 is connected with the SP+ interface of imitate pick machine circuit, is used for output sound signal.The P1.2 of the control interface of described speech chip U6 and single-chip microcomputer U4～P1.7 port is connected successively.It is the integrated circuit of ISD2500 that described speech chip U6 adopts model.The chip typical circuit that this circuit adopts derives from the chip data.
Referring to Fig. 7, described DTMF decoding circuit comprises DTMF decoding chip IC4, the DTMF interface of described DTMF decoding chip IC4 is connected with the DTMF interface of imitate pick machine circuit, the control interface of described DTMF decoding chip IC4 with the P2.1～P2.7 port of single-chip microcomputer U4 be connected successively.It is the dual tone receiver of HT9170 that described DTMF decoding chip adopts model.This circuit is that the typical case uses circuit, can directly use.
Referring to Fig. 8, described relay executive circuit comprises relay J DQ2, triode Q3 and resistance R 21, the end of the base stage contact resistance R21 of described triode Q3, and the other end of resistance R 21 connects the P2.0 port of single-chip microcomputer U4, sends control signal.The grounded emitter of triode Q3, coil one end of the collector connection relay JDQ2 of triode Q3, the other end of the coil of relay J DQ2 connects 12V voltage, and the contact of relay J DQ2 connects the power supply access port of load.The coil two ends of relay J DQ2 are connected with rectifier diode D17.Indicator light D4 and the coil two ends that are connected in parallel on relay J DQ2 after resistance R 2 is connected.J6 is the power supply access port of load, has Chang Kai and normally closed port common user to select.
Referring to Fig. 9, described button inputting circuits is prior art.Resistance R 26 is pull-up resistor with resistance R 29, and button KEY0, KEY1 connect and compose button inputting circuits with key_0, the key_1 port of single-chip microcomputer respectively.
Referring to Figure 10, it is the LCDs of LCD1602 that display circuit adopts model.1602LCD refers to that the content that shows is 16X2.J8 is the interface of LCD display, 7 pin to 14 pin are connected with three control end RS, R/W, E of Liquid Crystal Module respectively as P0 port, P3.0, the P3.1 of P3 mouth, the P3.2 that transfer of data connects single-chip microcomputer U4, potentiometer RW2 provides adjustable liquid crystal drive voltage for VO, in order to realization the display comparison degree is regulated.
Job step of the present utility model is:
Step 1: the user is by the key-press input user mobile phone number, and the alarm voltage electric current, and the information such as number of times are waited in ring.
Whether step 2:MCU module detects by ring detecting circuit has phone to dial in, and whether reaches the ringing number that the user arranges.
Step 3: if the ringing number that reaches setting ring unanswered still, MCU module controls imitate pick machine circuit is carried out the off-hook action so.
Step 4: after the off-hook action was finished, the MCU module sent suggestion voice by voice warning circuit, and whether prompting user enters control model or call mode.The user is by the button commands in return on the mobile phone, if enter call mode, MCU module controls on-hook circuit switched path and can not enter voice suggestion in ensuing call to telephone set so.If selected control model, will enter so next step prompting and answer control.
Step 5: according to user's commands in return, the action of MCU module controls relay executive circuit.Reply voice prompting and on-hook after finishing.
Step 6: if detect the actual current of load or voltage surpasses preset value when data acquisition circuit, will initiatively dial so the number that lower user arranges in advance, the voice suggestion abnormal conditions.And request action order.
Step 7: if under abnormal conditions, under the user preset number of times, normally do not answer the called telephone of controller.Controller will be carried out default exception handler so.And with the relevant parameter record.
Claims (9)
1. regional power supply management and control device based on PSTN, it is characterized in that: comprise MCU module, button inputting circuits, display circuit, data acquisition circuit, ring detecting circuit, imitate pick machine circuit, voice warning circuit, DTMF decoding circuit and relay executive circuit, described button inputting circuits is used for setting user information; Described display circuit is used for showing user and job information; Telephone ring signal on the telephone wire that described ring detecting circuit is used for detecting passes to the MCU module, described MCU module is accepted user's mobile phone or the telephone ring signal of phone, whether the ringing number of judging telephone ring signal reaches default ringing number, the output control signal is to the imitate pick machine circuit, and the control simulation circuit for answering is carried out the off-hook action; The MCU module starts voice warning circuit and sends prompt tone, and voice warning circuit sends to prompt tone in user's the mobile phone or phone by telephone wire; Described DTMF decoding circuit is used for the operator is decoded by the action command that telephone wire sends, and sends decoded action command to the MCU module; Described MCU module drives the relay executive circuit, the energising of control load or outage after the action command that receives is carried out cryptographic check; Described data acquisition circuit passes to the MCU module for electric current and the voltage signal of the load that will gather, described MCU module is accepted electric current and the voltage signal of load, whether electric current and the magnitude of voltage of judging load surpass default electric current, magnitude of voltage, and the output control signal is to imitate pick machine circuit and DTMF decoding circuit; Described MCU module reception control signal control simulation circuit for answering is carried out the off-hook action, and control DTMF decoding circuit sends number that the user sets in advance carry out dial action in user's mobile phone or phone; The MCU module starts electric current, the electric voltage exception of voice warning circuit prompting load, the outage of MCU module drive relay executive circuit control load.
2. the regional power supply management and control device based on PSTN according to claim 1 is characterized in that: it is the single-chip microcomputer of STC90C58AD that described MCU module adopts model.
3. the regional power supply management and control device based on PSTN according to claim 1, it is characterized in that: described data acquisition circuit comprises voltage transformer L1, current transformer L2, rectifier diode D5, rectifier diode D6, dual operational amplifier U5 and some resistance, electric capacity, wherein, series resistance R34 between input of voltage transformer L1 and the power supply access port of load, R35, series resistance R32 between another power supply access port of another input of voltage transformer L1 and load, R33, the output of voltage transformer L1 connects the positive pole of rectifier diode D5, the negative pole of rectifier diode D5 connects the positive pole of capacitor C 37, the negative pole of capacitor C 37 connects another output of voltage transformer L1, capacitor C 37 two ends are parallel with capacitor C 36, resistance R 24 be connected in parallel on again capacitor C 36 two ends after resistance R 25 is connected, the 3rd pin of dual operational amplifier U5 is connected between resistance R 24 and the resistance R 25, two inputs of current transformer L2 connect respectively two power supply access ports of load, the output of current transformer L2 connects the positive pole of rectifier diode D6, the negative pole of rectifier diode D6 connects the positive pole of capacitor C 39, the negative pole of capacitor C 39 connects another output of current transformer L2, capacitor C 39 two ends are parallel with filter capacitor C38, resistance R 27 be connected in parallel on again capacitor C 38 two ends after resistance R 28 is connected, the 5th pin of dual operational amplifier U5 is connected between resistance R 27 and the resistance R 28, the 1st of dual operational amplifier U5,2 pin are connected with the first input end of MCU module after connecting again, the 6th of dual operational amplifier U5,7 pin are connected with the second input of MCU module after connecting again, the 7th pin of dual operational amplifier U5 connects 5V voltage, the 4th pin ground connection of dual operational amplifier U5.
4. the regional power supply management and control device based on PSTN according to claim 1, it is characterized in that: described ring detecting circuit comprises bridge heap B1, voltage stabilizing didoe DZ1, photoelectrical coupler U1, triode Q1 and some electric capacity, resistance, two inputs of bridge heap B1 connect respectively capacitor C 1, the end of C2, capacitor C 1, the other end of C2 connects respectively the input port L1 of telephone wire, L2, two outputs of bridge heap B1 are provided with reserves port L1-1, L2-1, the end of the output contact resistance R6 of bridge heap B1, the other end of resistance R 6 connects the negative pole of voltage stabilizing didoe DZ1, the positive pole of capacitor C 3, resistance R 7 one ends, another output of the anodal connecting bridge heap B1 of voltage stabilizing didoe DZ1, another output of the negative pole connecting bridge heap B1 of capacitor C 3, the other end of resistance R 7 connects the input of photoelectrical coupler U1, another output of another input connecting bridge heap B1 of photoelectrical coupler U1, the end of the output contact resistance R8 of photoelectrical coupler U1, another output of photoelectrical coupler U1 connects voltage VCC, one end of capacitor C 36, the end of the other end contact resistance R9 of capacitor C 36, the collector electrode of the other end connecting triode Q1 of resistance R 9, the collector electrode of triode Q1 connects the MCU module, the base stage of the other end connecting triode Q1 of resistance R 8, the grounded emitter of triode Q1.
5. the regional power supply management and control device based on PSTN according to claim 1, it is characterized in that: described imitate pick machine circuit comprises triode T1, relay K 1, power resistor R48, filter capacitor C33, double-pole transformer T6, audio-frequency power amplifier U7, rheostat W3 and capacitor C 35, the base stage of triode T1 connects the MCU module by resistance R 12, the grounded emitter of triode T1, coil one end of the collector connection relay K1 of triode T1, the coil other end of relay K 1 connects voltage VCC, one end of the normally opened contact of relay K 1 connects respectively reserves port L1-1, L2-1, the other end of the normally opened contact of relay K 1 connects respectively the end of power resistor R48, the input of transformer T6, another end of the other end connection transformer T6 of power resistor R48, the output head grounding of transformer T6, another output of transformer T6 connects the end of filter capacitor C33, the other end of filter capacitor C33 connects the DTMF interface of DTMF decoding circuit, the output of audio-frequency power amplifier U7, the other end of filter capacitor C33 also is connected with a TC filter circuit that is comprised of capacitor C 15 and resistance R 23, the inverting input of audio-frequency power amplifier U7 connects the stiff end of rheostat W3, the reverse inter-input-ing ending grounding of audio-frequency power amplifier U7, another stiff end of rheostat W3 connects the SP+ interface of voice warning circuit, the normal phase input end of audio-frequency power amplifier U7 connects an end of capacitor C 35, the other end of capacitor C 35 connects the sliding end of rheostat W3, the positive power source terminal of audio-frequency power amplifier U7 connects voltage VCC, the negative power end ground connection of audio-frequency power amplifier U7.
6. the regional power supply management and control device based on PSTN according to claim 1, it is characterized in that: described voice warning circuit comprises speech chip U6, the SP+ interface of described speech chip U6 is connected with the SP+ interface of imitate pick machine circuit, the control interface of described speech chip U6 is connected with the MCU module, and it is the integrated circuit of ISD2500 that described speech chip U6 adopts model.
7. the regional power supply management and control device based on PSTN according to claim 1, it is characterized in that: described DTMF decoding circuit comprises DTMF decoding chip IC4, the DTMF interface of described DTMF decoding chip IC4 is connected with the DTMF interface of imitate pick machine circuit, the control interface of described DTMF decoding chip IC4 is connected with the MCU module, and it is the dual tone receiver of HT9170 that described DTMF decoding chip adopts model.
8. the regional power supply management and control device based on PSTN according to claim 1, it is characterized in that: described relay executive circuit comprises relay J DQ2, triode Q3 and resistance R 21, the end of the base stage contact resistance R21 of described triode Q3, the other end of resistance R 21 connects the MCU module, the grounded emitter of triode Q3, coil one end of the collector connection relay JDQ2 of triode Q3, the other end of the coil of relay J DQ2 connects 12V voltage, and the contact of relay J DQ2 connects the power supply access port of load.
9. the regional power supply management and control device based on PSTN according to claim 1, it is characterized in that: if the electric current of the load that described data acquisition circuit gathers and magnitude of voltage surpass the electric current that the user arranges, magnitude of voltage, then the MCU module is judged the electric current of load, electric voltage exception, the MCU module starts electric current and the electric voltage exception of voice warning circuit prompting load, and to the order of MCU module transmission request action, in the electric current of load and the electric voltage exception situation, under the user preset number of times, normally do not answer the called telephone of DTMF decoding circuit, the outage of MCU module drive relay executive circuit control load.
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| CN 201320244760 CN203243420U (en) | 2013-05-09 | 2013-05-09 | Regional power supply management controller based on PSTN |
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| CN 201320244760 CN203243420U (en) | 2013-05-09 | 2013-05-09 | Regional power supply management controller based on PSTN |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031075A (en) * | 2018-09-10 | 2018-12-18 | 广东电网有限责任公司 | A kind of multi-thread core insulation automatic tester and system |
| CN110753163A (en) * | 2019-10-28 | 2020-02-04 | 上海市共进通信技术有限公司 | Protection device and method for VOIP functional module of optical network terminal |
-
2013
- 2013-05-09 CN CN 201320244760 patent/CN203243420U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031075A (en) * | 2018-09-10 | 2018-12-18 | 广东电网有限责任公司 | A kind of multi-thread core insulation automatic tester and system |
| CN110753163A (en) * | 2019-10-28 | 2020-02-04 | 上海市共进通信技术有限公司 | Protection device and method for VOIP functional module of optical network terminal |
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