CN2056552U - Telephone remote controller for electric equipments - Google Patents

Abstract

The utility model relates to telephone remote controller for electric devices, comprising an automatic off-hook circuit, a microprocessor, and a driver. The utility model is matched with a telephone to control the power switch of the electrical device; or the utility model is connected with a microcomputer, and the user is connected with the telephone remote controller for electric devices through a telephone mode in different areas and sends out dual tone multiple frequency control instructions to carry out the telephone remote control for the power switches of various electric devices; or the man-machine conversation is realized. The telephone remote controller for electric devices is suitable for a dual tone multiple frequency telephone, or a pulse counting type telephone provided with a dual tone multiple frequency signal generator.

Description

Telephone remote controller for electric equipments

The utility model relates to a kind of electric equipment telephone controller, is applicable to various electric/electronic device mains switches far distance controlled under unattended situation, is applicable to that also user and microcomputer talk with at a distance by phone.

The switch of general power consumption equipment all someone is operated, and for the electric equipment that needs remote control, also is use special-purpose remote control switch, and this switch can only determine a long way off that the place carries out remote control, and can not realize anywhere controlling.For addressing this problem, Japan Patent (publication number) J59-225662 proposes a kind of household electrical appliance telephone remote control, putting together with home phone number, makes a phone call to family in the place beyond family, and remote controller passes through the control of the judgement realization of telephone bell number of times to the household electrical appliance switch.This remote controller comprises electroacoustic transducer, waveform shaping circuit, pulsewidth discriminator circuit, no range of sound detection circuit, impulse wave counter, comparator and switch driver composition.This remote controller can only be controlled household electrical appliance by a telephone set, can not realize the control of a telephone set to multiple electric equipment.

The purpose of this utility model is for solving the control of a phone function realization to multiple electric equipment.

The utility model is achieved in that the scheme that adopts automatic off-hook, dual-tone multifrequency transmission, reception, decoding, microprocessor processes, Control Driver.Utilize the main control end telephone set to put through controlled end telephone set, automatic take offing machine circuit by controlled end electric equipment telephone controller, main control end telephone set and telephone remote control are connected, the main control end telephone set sends the control code of a certain electric equipment mains switch of predefined controlled end again, reception through telephone remote control, decoding, control the driving relay of respective electric equipment again by microprocessor, control to the electric equipment mains switch, multi-section is driven the control of relay by microprocessor, realize the remote control of a telephone set and remote controller to numerous electric equipment mains switches, and having answer signal to return main control end, notice main control end user remote control command obtains correct execution.This equipment operation is reliable, can prevent the misoperation of remote controller.

Accompanying drawing of the present utility model has six:

Fig. 1 electric equipment telephone controller block diagram.

Fig. 2 automatic take offing machine circuit block diagram.

Fig. 3 automatic take offing machine circuit.

Fig. 4 signal amplifies transfer circuit.

Fig. 5 signal microprocessor circuit.

Fig. 6 drive circuit.

Below in conjunction with accompanying drawing the utility model is further described:

Embodiment one:

In the present embodiment, the telephone set that main control end is used is double tone multiple frequency telephone set, and electric equipment telephone controller (referring to Fig. 1) is by automatic take offing machine circuit (1), signal mixed circuit (2), answer signal amplifying circuit (3), reset circuit (4), amplifying circuit (5) amplifies, monitor amplifying circuit (6), relay J 2 drive circuits (7), touch-tone signal receiving circuit (8), microprocessor Peripheral Interface (9), single-chip microcomputer (10), can wipe programmable read only memory (11), latch (12), power consumption equipment switch driving circuit (13), automatic off-hook relay J 1, amplify and monitor switching relay J2 and loudspeaker P and form.Automatic take offing machine circuit (1) (see figure 2) is made up of photoelectric conversion circuit (14), waveform shaping circuit (15), bell ring counting circuit (16), automatic off-hook relay J 1, relay J 1 drive circuit (17).

Shown in Figure 3 is automatic take offing machine circuit.Photoelectric conversion circuit (14) is made up of photoelectric transformer 4N27, diode D1, resistance R 1-R3 and capacitor C 1, C4; Waveform shaping circuit (15) is made up of 40106B type integrated circuit, diode D2, capacitor C 2; Bell ring counting circuit (16) is made up of 4617 type integrated circuit counters, resistance R 4, capacitor C 3; Switches set B2 is a tinkle of bells response times switch; J1 is for realizing the relay of off-hook, and the drive circuit of relay J 1 (17) is made up of triode T1, T2, diode D3, resistance R 5, R6.

Shown in Figure 4 is that signal amplifies transfer circuit, and it includes signal mixed circuit (2), answer signal amplifying circuit (3), the amplifying circuit that amplifies (5), monitors amplifying circuit (6), amplifies and monitor switching relay J2 and relay J 2 drive circuits (7).Wherein signal mixed circuit (2) is made up of coupled voltages converter H1, H2, resistance R 7-R10, capacitor C 5, C6, and signal mixed circuit (2) output signal is delivered to touch-tone signal receiving circuit (8) behind operational amplifier E1, diode D4, D5 form the output signal amplitude limiter circuit; Answer signal amplifying circuit (3) is made up of two-level operating amplifier E3, E4, resistance R 11-R16, capacitor C 7-C11; Coupled voltages converter H2, resistance R 8, R9 are connected into the bridge circuit form, H1 pays end and is connected to the both sides that H2 master holds with variable resistor R10 symmetry, resistance R 8 and R9 value 5.6K Ω, resistance R 10 adopts the variable resistor of 1K Ω, above-mentioned bridge circuit form connection and to the adjusting of resistance R 10, in the time of can eliminating answer signal entering signal hybrid circuit (2) H2 is paid the coupling influence of end, and can guarantee that answer signal gives H1, send back the main control end telephone set; The amplifying circuit (5) that amplifies is made up of TDA2003 type operational amplifier and resistance R 17-R21, capacitor C 12-C15; Monitoring amplifying circuit (6) is made up of two-level operating amplifier E2, E4, resistance R 22-R25, capacitor C 7, C10, C11, C16, C17; Relay J 2 drive circuits (7) are made up of triode T3, diode D6, resistance R 26.Above-mentioned operational amplifier E1, E2, E3 and E4 adopt one 324 type integrated circuit to realize.

Shown in Figure 5 is the signal microprocessor circuit, comprises touch-tone signal receiving circuit (8), microprocessor Peripheral Interface (9), single-chip microcomputer (10), can wipe programmable read only memory (11), latch (12).Wherein touch-tone signal receiving circuit (8) adopts 8870 type integrated circuits, microprocessor Peripheral Interface (9) adopts 8255 type integrated circuits, single-chip microcomputer (10) adopts 8031 type integrated circuits, can wipe programmable read only memory (11) and adopt 2732 type integrated circuits, latch (12) is selected 373 type integrated circuits for use.LS00 type integrated circuit among Fig. 5 is the various reversers that are used with micro-processor interface circuit, and B3 is a hand switch, by the power supply of control microprocessor Peripheral Interface (9), realizes the ground connection of its switch.

Shown in Figure 6 is power consumption equipment K switch 1, K2, K3 ... drive circuit, number of switches can be established as required, as long as in the disposal ability scope of microcontroller circuit, the quantity of controlled switch can be provided with arbitrarily.Two contactless relay switches and two contact switches that relay drives have been provided among Fig. 6, the contactless relay switch adopts SSR type device, in order to control low power power consumption equipment, K switch 1, K2 are realized by two driving amplifiers that two CD4013 D-flip flops and triode T4, T5 form, K switch 3, K4 are by drivings such as relay J 3, and the drive circuit of J3 is realized by the amplifier that compound transistor T6, T7 form.It is to be noted that reset circuit (4) is actually by single-chip microcomputer 8031 through being labeled as the output line of A3, (referring to Fig. 3 and Fig. 5) that the circuit that resistance R 3 and reset switch B1 form is realized, in addition, annexation between Fig. 3, Fig. 4, Fig. 5 and the circuit shown in Figure 6 is marked by An, for example the A1 among Fig. 3, A2 and A3 line can be respectively with Fig. 4 in A1, A2 and A3 line, A3 line among Fig. 5 links to each other, and the rest may be inferred by analogy for it.

Dialled controlled end telephone set telephone number at the main control end machine of picking up the telephone, ringing signal enters the automatic take offing machine circuit (1) of controlled end telephone set and electric equipment telephone controller simultaneously through subscribers feeder, the photoelectric conversion circuit (14) of automatic take offing machine circuit (1) is transformed into intermittently high-frequency signal with ringing signal, become square-wave pulse signal through waveform shaping circuit (15), a square-wave pulse is equivalent to the tinkle of bells one time, square-wave pulse input bell ring counting circuit (16), counting reaches (being subjected to the manual control of presetting toggle switch B2) behind the predefined number of times, bell ring counting circuit (16) produces an output signal, control relay J1 drive circuit (17), make relay J 1 reed leave contact S1, connect to contact S2, the signal mixed circuit (2) of main control end telephone set and electric equipment telephone controller is connected, and respond the remote control command that the main control end telephone set sends, finish the automatic off-hook function.

Leading, after controlled termination is logical, the user utilizes the double tone multiple frequency telephone set button to send the touch-tone signal instruction in main control end, through signal mixed circuit (2) input touch-tone signal receiving circuit (8), be decoded as the hexadecimal signal, send into by single-chip microcomputer (10) from microprocessor Peripheral Interface (9), can wipe the microprocessor that programmable read only memory (11) and latch (12) are formed, microprocessor compares this sign indicating number with the code that is set in advance in the microprocessor, when both are identical, single-chip microcomputer (10) output one control signal, power consumption equipment switch driving circuit (13) drives the actuating of relay of corresponding electric equipment mains switch, realized remote control with the electric equipment mains switch of this relay control, meanwhile single-chip microcomputer (10) sends an answer signal, after answer signal amplifying circuit (3) amplifies, be recycled to main control end user's telephone set by signal mixed circuit (2), the remote control command that the user is learnt send obtains correct execution.

When the main control end user sends false command or surpasses one minute (this time can be regulated as required) when not sending instructions again, single-chip microcomputer (10) output reset signal is behind reset circuit (4), make relay J 1 drive circuit (17) drive relay J 1 reed and be reset to the S1 place, signal mixed circuit (2) and telephone line are disconnected, possessed the function of the remote control command sign indicating number being carried out verification and overtime automatic hand-up.

In the present embodiment, when the user after main control end is at logical controlled end, send when amplifying instruction, single-chip microcomputer (10) output one control signal that amplifies, amplify and monitor switching relay J2 through relay J 2 drive circuits (7) rear drive, its reed is connect to contact S3, connect the path that amplifies.The speech that the user sends in main control end plays out from loudspeaker P by signal mixed circuit (2), the amplifying circuit that amplifies (5) back, makes controlled end scene can hear main control end user's sound and speech.When the user sends after main control end is at logical controlled end when intercepting instruction, control signal is monitored in single-chip microcomputer (10) output, amplify and monitor switching relay J2 through relay J 2 drive circuits (7) rear drive, its reed is connect to contact S4, connect listening channel, the sound at controlled end scene receives by monitoring microphone (replacing with loudspeaker P), and after monitoring amplifying circuit (6), send the main control end user back to from signal mixed circuit (2), make the user can listen to the sound equipment at controlled end scene in main control end.

In the present embodiment, because used single-chip microcomputer (10), can wipe programmable read only memory (11) and latch (12), can set multiple different electric equipment mains switch control routine within it by software like this, when the user sends different touch-tone signal command codes in main control end, single-chip microcomputer (10) compares predefined control routine in itself and the microprocessor, export a control signal corresponding, the action of power consumption equipment switch driving circuit (13) corresponding relays, drive the switch of corresponding electric equipment power supply, thereby realized of the power supply remote control of an electric equipment telephone controller a plurality of electric equipments.In addition, also can join from single-chip microcomputer (10) extraction one output and microcomputer, the user sends corresponding instruction in main control end, realizes and the remote interactive function of microcomputer.

Embodiment two:

In the present embodiment, the telephone set that main control end is used is pulsimeter numerical expression telephone set, on this telephone set, the user also can control electric equipment by electric equipment telephone controller, but when utilizing this telephone set, adopt the step-by-step counting mode can connect remote controlled end, and still adopt the words of this step-by-step counting mode when sending control command, because pulse counting signal transmission range on telephone line is restricted, remote control distance can not be too far away.For this reason, increase a dual tone multi-frequency signal generator,, touch-tone signal is served telephone line by means of the help of dual tone multi-frequency signal generator.During use, the user utilizes pulse mode at logical controlled end earlier in main control end, then the sound reproduction position of dual tone multi-frequency signal generator is aimed at the receiver of main control end telephone set, then can on dual tone multi-frequency signal generator, send remote control command, receive, decipher through electric equipment telephone controller, control of electrical equipment power supply open and close (its course of work is with embodiment one), thus realized utilizing pulsimeter numerical expression telephone set to finish remote control to the electric equipment mains switch.

The wiring of the electric and electronic components and parts of the electric equipment telephone controller of the foregoing description relation can realize on a printed circuit board (PCB) with given shape, this printed circuit board (PCB) also can be made plug-in type, the casing of electric equipment telephone controller is a rectangle housing, the angle of cut of front panel and bottom surface is less than 90 degree, make it that certain gradient be arranged, be convenient to operation, the power supply indicator of arranging on the front panel, the controlled switch indicator light, the hand-reset button, listening key and volume control etc., rear board is arranged power supply, the extension line, microcomputer and various controlled plant switch/inlet.

Claims (3)

1, a kind of electric equipment telephone controller is characterized in that described electric equipment telephone controller is by automatic take offing machine circuit (1), signal mixed circuit (2), answer signal amplifying circuit (3), reset circuit (4), amplifying circuit (5) amplifies, monitor amplifying circuit (6), relay J 2 drive circuits (7), touch-tone signal receiving circuit (8), microprocessor Peripheral Interface (9), single-chip microcomputer (10), can wipe programmable read only memory (11), latch (12), power consumption equipment switch driving circuit (13), automatic off-hook relay J 1, amplify and monitor switching relay J2 and loudspeaker P and form.

2, electric equipment telephone controller according to claim 1 is characterized in that described automatic take offing machine circuit (1) is made up of photoelectric conversion circuit (14), waveform shaping circuit (15), bell ring counting circuit (16), automatic off-hook relay J 1, relay J 1 drive circuit (17).

3, electric equipment telephone controller according to claim 1, it is characterized in that described signal mixed circuit (2) is made up of coupled voltages converter H1, H2, resistance R 8, R9, be connected into the bridge circuit form, H1 pays end and is connected to the both sides that H2 master holds with variable resistor R10 symmetry.

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