CN102109222B - Gas water heater communication system with misconnection remediation function - Google Patents

Gas water heater communication system with misconnection remediation function Download PDF

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Publication number
CN102109222B
CN102109222B CN2009102647960A CN200910264796A CN102109222B CN 102109222 B CN102109222 B CN 102109222B CN 2009102647960 A CN2009102647960 A CN 2009102647960A CN 200910264796 A CN200910264796 A CN 200910264796A CN 102109222 B CN102109222 B CN 102109222B
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signal
remote controller
host side
transistor
circuit
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CN102109222A (en
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廖金柱
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Sakura Bath and Kitchen Products China Co Ltd
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Sakura Bath and Kitchen Products China Co Ltd
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Abstract

The invention discloses a gas water heater communication system with a misconnection remediation function. The adopted two-way communication mode is two-wire two-way digital transmission; a host signal input circuit consisting of forward and backward connection input conversion circuits is formed in a host signal conversion circuit; the forward and backward connection input conversion circuits correspond to host input signals converted when the host signal conversion circuit and a remote controller signal conversion circuit are in forward and backward connection respectively, and remote controller output signals can be processed and accurately converted into the host input signals and the host input signals are input into a host control chip to be processed even if a connecting circuit between a host and a remote controller is misconnected, so that a remote control function is realized; and transmission signals are transmitted by a coupling component, and compared with the single-wire corresponding transmission mode of the conventional communication circuit, the transmission mode ensures that transmission among the signals cannot be interrupted even if the host signal conversion circuit and the remote controller signal conversion circuit are in backward connection.

Description

Remedy the communication system of gas water heater of function with misconnection
Technical field
The present invention relates to the remote-control communication system of gas heater, especially a kind of communication system of gas water heater of remedying function with misconnection.
Background technology
Though the gas heater industry has main frame and remote controller to use two lines to carry out both-way communication, but its technology only limits to the double frequency-band two-wire system transmission range of power carrier, signal need be by being transmitted after modem again, communicating circuit and principle complexity, and debugging is difficulty comparatively; Usually the connecting line between remote controller and main frame can not misconnection, once misconnection is, causes communication failure.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of communication system of gas water heater of remedying function with misconnection, without using modem, can realize that the connecting line misconnection between remote controller and main frame also can be worked, and communicating circuit and principle simple.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of communication system of gas water heater of remedying function with misconnection, realize the host computer control chip of gas heater and the both-way communication between the remote controller control chip, this both-way communication mode is two line bi-directional digital transmission, comprises host side signaling conversion circuit and remote controller end signal change-over circuit:
Host side signaling conversion circuit and host computer control chip transmitted in both directions, and be positioned at gas heater,
Remote controller end signal change-over circuit and remote controller control chip transmitted in both directions, and be positioned at remote controller,
Host side signaling conversion circuit and the corresponding transmitted in both directions of remote controller end signal change-over circuit;
Remote controller end output signal is converted to corresponding host side input signal through remote controller end signal change-over circuit and host side signaling conversion circuit and transfers to the host computer control chip: be formed with in described host side signaling conversion circuit by positive and negative and connect the host side signal input circuit that the input change-over circuit forms, described positive and negative connect to input when change-over circuit corresponds respectively between host side signaling conversion circuit and remote controller end signal change-over circuit positive and negative connecing change out the host side input signal; This host side input signal of host computer control die response and do respective handling after host side output signal corresponding to output, the host side output signal is converted to corresponding remote controller end input signal through host side signaling conversion circuit and remote controller end signal change-over circuit and transfers to remote controller end control chip;
Be formed with the corresponding positive and negative input change-over circuit that connects worked and process the signal transmission translation function in corresponding wiring situation because positive and negative between host side signal input circuit respective hosts end signal change-over circuit and remote controller end signal change-over circuit connects, even the connection line wrong between main frame and remote controller (being host side signaling conversion circuit and the reversal connection of remote controller end signal change-over circuit), also can make remote controller end output signal accurately be converted to after treatment host side input signal input host computer control chip and be processed and reach distant control function.
As a further improvement on the present invention, described remote controller end output signal is converted to corresponding host side input signal through remote controller end signal change-over circuit and host side signaling conversion circuit, and the implementation that the host side output signal is converted to corresponding remote controller end input signal through host side signaling conversion circuit and remote controller end signal change-over circuit is: described host side signaling conversion circuit also comprises the host side signal output apparatus, described remote controller end signal change-over circuit comprises remote controller end signal input circuit and remote controller end signal output circuit, described remote controller end output signal is after remote controller end signal output circuit is output as signal transmission, be converted to corresponding host side input signal through the host side signal input circuit again, described host side output signal, after the host side signal output apparatus is output as signal transmission, then is converted into remote controller end input signal through remote controller end input circuit.
As a further improvement on the present invention, just described, reversal connection input change-over circuit just corresponds respectively between host side signaling conversion circuit and remote controller end signal change-over circuit, the implementation of changing out the host side input signal during reversal connection is: described host side signal input circuit is connected with remote controller end signal change-over circuit two lines by the coupling of coupling components and parts is rear with the host side signal output apparatus, described host side signaling conversion circuit and remote controller end signal change-over circuit are just, during reversal connection, through the signal transmission of remote controller end signal output circuit output after these coupling components and parts because of just, the circuit variation that reversal connection causes and corresponding input is just described, reversal connection input change-over circuit, signal transmission described remote controller end signal input circuit of corresponding input after these coupling components and parts through the output of host side signal output apparatus,
Realize the transmission between each signal transmission by the coupling components and parts, compared to the corresponding transmission of single line of traditional communicating circuit, even this transmission means host side signaling conversion circuit and the reversal connection of remote controller end signal change-over circuit also can not interrupt affecting the transmission between signal.
As a further improvement on the present invention, described coupling components and parts are coupling inductance, described host side signal input circuit comprise coupling inductance, the 8th crystal diode, second and third, four Zener diodes and the 6th, eight, nine transistors, described second and third Zener diode is with the relative differential concatenation of negative pole, described the 8th crystal diode is with the 4th Zener diode with the relative differential concatenation of positive pole, and the negative pole of the positive pole of described the second Zener diode and the 8th crystal diode also connects the first coil one end of rear access coupling inductance; The positive pole of described the 3rd Zener diode connects the base stage of the 6th transistor, the grounded emitter of the 6th transistor, the colelctor electrode of the colelctor electrode of the 6th transistor and the 9th transistor also connects rear access 5V voltage and exports described host side input signal in the host computer control chip; The colelctor electrode of the emitter stage of described the 9th transistor and the 8th transistor also connects rear ground connection, the emitter stage of described the 8th transistor also connects the base stage of colelctor electrode and described the 9th transistor of described the 6th transistor, and the base stage of described the 8th transistor connects the negative pole of described the 4th Zener diode;
Described host side signal output apparatus comprises triode, the 4th electric capacity, the 9th crystal diode, the tenth transistor and described coupling inductance, described host side output signal is inputted the base stage of described the tenth transistor, the grounded emitter of the tenth transistor, the base stage of the colelctor electrode while connecting triode of the tenth transistor and the negative pole of the 9th crystal diode, and described the 9th crystal diode just, negative pole accesses respectively the collector and emitter of triode, the emitter stage access 18V voltage of this triode, the colelctor electrode of triode connects the first coil one end of described coupling inductance, between the first coil one end of this coupling inductance and the second coil one end by the 4th electric capacity and connect, the second coil one end ground connection of described coupling inductance,
The first coil other end of described coupling inductance is connected described remote controller end signal change-over circuit with the second coil other end two lines.
As a further improvement on the present invention, described host side signal input circuit also comprises first, six, 13, 14, 15, 16, 17, 18 resistance and the 3rd, five, six electric capacity, between the first coil other end of described coupling inductance and the second coil other end by the 3rd electric capacity and connect, described the 5th electric capacity is connected between the base stage and colelctor electrode of described the 8th transistor, the 6th electric capacity is connected between the colelctor electrode and emitter stage of described the 9th transistor, the 18 resistance is connected between the base stage and emitter stage of described the 8th transistor, the colelctor electrode of described the 6th transistor accesses described 5V voltage by the first resistance, the colelctor electrode of described the 9th transistor accesses described 5V voltage by the 6th resistance, the 15 resistance and described the 4th Capacitance parallel connection, the colelctor electrode of described triode accesses the first coil one end of described coupling inductance by the 14 resistance, be connected by the 17 resistance between the colelctor electrode of the base stage of described triode and described the tenth transistor, be connected with the 16 resistance between the base stage of this triode and emitter stage.
As a further improvement on the present invention, described the 6th, nine, ten transistors are NPN type triode, and described the 4th, eight transistors are the positive-negative-positive triode.
As a further improvement on the present invention, described remote controller end signal output circuit comprises the first Zener diode, first, two, four transistors and the 4th, five crystal diodes, include the 4th in described remote controller end signal change-over circuit, five inductance and first, two electric capacity, described remote controller end output signal is inputted the base stage of the second transistor, the emitter stage of this second transistor connects signal ground, the colelctor electrode of the second transistor connects the base stage of the 4th transistor, the emitter stage access signal voltage of the 4th transistor, the colelctor electrode of the 4th transistor connects the base stage of positive pole and the first crystal triode of the 4th crystal diode simultaneously, the grounded emitter of this first crystal triode, the colelctor electrode of first crystal triode connects the negative pole of the 5th crystal diode, the positive pole of described the 4th crystal diode connects the negative pole of the first Zener diode, the plus earth of this first Zener diode,
The negative pole of the 4th crystal diode connects an end of the 4th inductance, the 5th crystal diode connects an end of the 5th inductance, between one end of this fourth, fifth inductance by the second electric capacity and connect, the other end of this fourth, fifth inductance is connected with described host side signaling conversion circuit two lines, and between fourth, fifth inductance, by the first electric capacity and connect, described remote controller end output signal is converted to signal transmission via second, four transistors transmission again and transfers to the 4th inductance by the 4th crystal diode and be coupled on two lines and transmitted after the first Zener diode voltage stabilizing.
As a further improvement on the present invention, described host side input signal and host side output signal are all direct current 5V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", and 1.536ms high level 1.536ms low level in succession is considered as " 0 "; Described remote controller end input signal and remote controller end output signal are all direct current 5V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", 1.536ms high level 1.536ms low level in succession is considered as " 0 ", the signal that is the transmitting-receiving of host computer control chip is identical with the signal dutyfactor of remote controller control chip transmitting-receiving, certainly, the duty that can adjust these signals according to the model of selected host computer control chip and remote controller control chip is amplitude when.
As a further improvement on the present invention, described two line signal transmissions are direct current 18V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", 1.536ms high level 1.536ms low level in succession is considered as " 0 ", the dutycycle of two line signal transmissions and host side input, output signal, the dutycycle of the input of remote controller end, output signal is all identical, certainly, the duty that can adjust this signal according to the model of selected host computer control chip and remote controller control chip is amplitude when.
The invention has the beneficial effects as follows: due between host side signal input circuit respective hosts end signal change-over circuit and remote controller end signal change-over circuit just, reversal connection is formed with correspondence and just works, reversal connection input change-over circuit is processed the signal transmission translation function in corresponding wiring situation, even the connection line wrong between main frame and remote controller (being host side signaling conversion circuit and the reversal connection of remote controller end signal change-over circuit), also can make remote controller end output signal accurately be converted to after treatment host side input signal input host computer control chip is processed and is reached distant control function, realize the transmission between each signal transmission by the coupling components and parts, compared to the corresponding transmission of single line of traditional communicating circuit, even this transmission means host side signaling conversion circuit and the reversal connection of remote controller end signal change-over circuit also can not interrupt affecting the transmission between signal.
The accompanying drawing explanation
Fig. 1 is principle of the invention framework schematic diagram;
The circuit diagram that Fig. 2 is host side signaling conversion circuit of the present invention;
The relevant conversion and transmission circuit figure that Fig. 3 is remote controller end output signal of the present invention.
The specific embodiment
Embodiment: a kind of communication system of gas water heater of remedying function with misconnection, realize the host computer control chip CPU1 of gas heater and the both-way communication between remote controller control chip CPU2, this both-way communication mode is two line bi-directional digital transmission, comprises host side signaling conversion circuit 1 and remote controller end signal change-over circuit 2:
Host side signaling conversion circuit 1 and host computer control chip CPU1 transmitted in both directions, and be positioned at gas heater,
Remote controller end signal change-over circuit 2 and remote controller control chip CPU2 transmitted in both directions, and be positioned at remote controller,
Host side signaling conversion circuit 1 and remote controller end signal change-over circuit 2 corresponding transmitted in both directions;
Remote controller end output signal is converted to corresponding host side input signal through remote controller end signal change-over circuit 2 and host side signaling conversion circuit 1 and transfers to host computer control chip CPU1: be formed with in described host side signaling conversion circuit 1 by positive and negative and connect the host side signal input circuit that the input change-over circuit forms, described positive and negative connect to input when change-over circuit corresponds respectively to host side signaling conversion circuit 1 and 2 positive and negative connecing of remote controller end signal change-over circuit change out the host side input signal; Host side output signal corresponding to output after host computer control chip CPU1 responds this host side input signal and does respective handling, the host side output signal is converted to corresponding remote controller end input signal through host side signaling conversion circuit 1 and remote controller end signal change-over circuit 2 and transfers to remote controller end control chip CPU2;
Be formed with the corresponding positive and negative input change-over circuit that connects worked and process the signal transmission translation function in corresponding wiring situation because host side signal input circuit respective hosts end signal change-over circuit 1 and 2 of remote controller end signal change-over circuits positive and negative connects, even the connection line wrong between main frame and remote controller (be host side signaling conversion circuit 1 with 2 reversal connections of remote controller end signal change-over circuit), also can make remote controller end output signal accurately be converted to after treatment host side input signal input host computer control chip CPU1 and be processed and reach distant control function.
Described remote controller end output signal is converted to corresponding host side input signal through remote controller end signal change-over circuit 2 and host side signaling conversion circuit 1, and the implementation that the host side output signal is converted to corresponding remote controller end input signal through host side signaling conversion circuit 1 and remote controller end signal change-over circuit 2 is: described host side signaling conversion circuit 1 also comprises the host side signal output apparatus, described remote controller end signal change-over circuit 2 comprises remote controller end signal input circuit and remote controller end signal output circuit, described remote controller end output signal is after remote controller end signal output circuit is output as signal transmission, be converted to corresponding host side input signal through the host side signal input circuit again, described host side output signal, after the host side signal output apparatus is output as signal transmission, then is converted into remote controller end input signal through remote controller end input circuit.
Just described, reversal connection input change-over circuit is just corresponding respectively to 2 of host side signaling conversion circuit 1 and remote controller end signal change-over circuits, the implementation of changing out the host side input signal during reversal connection is: described host side signal input circuit is connected with 2 liang of lines of remote controller end signal change-over circuit by the coupling of coupling components and parts is rear with the host side signal output apparatus, described host side signaling conversion circuit 1 and remote controller end signal change-over circuit 2 are just, during reversal connection, through the signal transmission of remote controller end signal output circuit output after these coupling components and parts because of just, the circuit variation that reversal connection causes and corresponding input is just described, reversal connection input change-over circuit, signal transmission described remote controller end signal input circuit of corresponding input after these coupling components and parts through the output of host side signal output apparatus,
Realize the transmission between each signal transmission by the coupling components and parts, compared to the corresponding transmission of single line of traditional communicating circuit, even this transmission means host side signaling conversion circuit 1 and 2 reversal connections of remote controller end signal change-over circuit also can not interrupt affecting the transmission between signal.
Described coupling components and parts are coupling inductance L3, described host side signal input circuit comprises coupling inductance L3, the 8th crystal diode D8, second, three, four Zener diode ZD2, ZD3, ZD4 and the 6th, eight, nine transistor DQ6, DQ8, DQ9, described second, three Zener diode ZD2, ZD3 is with the relative differential concatenation of negative pole, described the 8th crystal diode D8 with the 4th Zener diode ZD4 with the relative differential concatenation of positive pole, the negative pole of the positive pole of described the second Zener diode ZD2 and the 8th crystal diode D8 also connects the first coil one end (being the 4th end line of coupling inductance L3 in Fig. 2) of rear access coupling inductance L3, the positive pole of described the 3rd Zener diode ZD3 connects the base stage of the 6th transistor DQ6, the grounded emitter of the 6th transistor DQ6, the colelctor electrode of the colelctor electrode of the 6th transistor DQ6 and the 9th transistor DQ9 also connects rear access 5V voltage and exports described host side input signal in host computer control chip CPU1, the colelctor electrode of the emitter stage of described the 9th transistor DQ9 and the 8th transistor DQ8 also connects rear ground connection, the emitter stage of described the 8th transistor also connects the colelctor electrode of described the 6th transistor DQ6 and the base stage of described the 9th transistor DQ9, and the base stage of described the 8th transistor DQ8 connects the negative pole of described the 4th Zener diode ZD4,
Described host side signal output apparatus comprises triode Q4, the 4th capacitor C 34, the 9th crystal diode D9, the tenth transistor DQ10 and described coupling inductance L3, described host side output signal is inputted the base stage of described the tenth transistor DQ10, the grounded emitter of the tenth transistor DQ10, the base stage of the colelctor electrode while connecting triode Q4 of the tenth transistor DQ10 and the negative pole of the 9th crystal diode D9, and described the 9th crystal diode D9 just, negative pole accesses respectively the collector and emitter of triode Q4, the emitter stage access 18V voltage of this triode Q4, the colelctor electrode of triode Q4 connects the first coil one end (being the 4th end line of coupling inductance L3 in Fig. 2) of described coupling inductance L3, between the first coil one end of this coupling inductance L3 (being the 4th end line of coupling inductance L3 in Fig. 2) and the second coil one end (being the 3rd end line of coupling inductance L3 in Fig. 2) by the 4th capacitor C 34 and connect, the second coil one end of described coupling inductance L3 (being the 3rd end line of coupling inductance L3 in Fig. 2) ground connection,
The first coil other end of described coupling inductance L3 (being the 2nd end line of coupling inductance L3 in Fig. 2) is connected described remote controller end signal change-over circuit 2 with the second coil other end (being the 1st end line of coupling inductance L3 in Fig. 2), two lines.
Described host side signal input circuit also comprises first, six, 13, 14, 15, 16, 17, 18 resistance R 21, R26, R53, R54, R55, R56, R57, R58 and the 3rd, five, six capacitor C 33, C35, C36, between the first coil other end of described coupling inductance (L3) (being the 2nd end line of coupling inductance L3 in Fig. 2) and the second coil other end (being the 1st end line of coupling inductance L3 in Fig. 2) by the 3rd capacitor C 34 and connect, described the 5th capacitor C 35 is connected between the base stage and colelctor electrode of described the 8th transistor DQ8, the 6th capacitor C 36 is connected between the colelctor electrode and emitter stage of described the 9th transistor DQ9, the 18 resistance R 58 is connected between the base stage and emitter stage of described the 8th transistor DQ8, the colelctor electrode of described the 6th transistor DQ6 is by the described 5V voltage of the first resistance R 21 access, the colelctor electrode of described the 9th transistor DQ9 is by the described 5V voltage of the 6th resistance R 26 access, the 15 resistance R 55 is in parallel with described the 4th capacitor C 34, the colelctor electrode of described triode Q4 is by the first coil one end (being the 4th end line of coupling inductance L3 in Fig. 2) of the described coupling inductance L3 of the 14 resistance R 54 access, be connected by the 17 resistance R 57 between the colelctor electrode of the base stage of described triode Q4 and described the tenth transistor DQ10, between the base stage of this triode Q4 and emitter stage, be connected with the 16 resistance R 56.
Described the 6th, nine, ten transistor DQ6, DQ9, DQ10 are NPN type triode, and described the 4th, eight transistor Q4, DQ8 are the positive-negative-positive triode.
Described remote controller end signal output circuit comprises the first Zener diode ZD1, first, two, four transistor DQ1, DQ2, DQ4 and the 4th, five crystal diode D4, D5, include the 4th in described remote controller end signal change-over circuit 2, five inductance L 4, L5 and first, two capacitor C 1, C2, described remote controller end output signal is inputted the base stage of the second transistor DQ2, the emitter stage of this second transistor DQ2 meets signal ground SGND, the colelctor electrode of the second transistor DQ2 connects the base stage of the 4th transistor DQ4, the emitter stage access signal voltage VCC1 of the 4th transistor DQ4, the colelctor electrode of the 4th transistor DQ4 connects the base stage of positive pole and the first crystal triode DQ1 of the 4th crystal diode D4 simultaneously, the grounded emitter GND of this first crystal triode DQ1, the colelctor electrode of first crystal triode DQ1 connects the negative pole of the 5th crystal diode D5, the positive pole of described the 4th crystal diode D4 connects the negative pole of the first Zener diode ZD1, the plus earth GND of this first Zener diode ZD1,
The negative pole of the 4th crystal diode D4 connects an end of the 4th inductance L 4, the 5th crystal diode D5 connects an end of the 5th inductance L 5, the 4th, five inductance L 4, between the end of L5 by the second capacitor C 2 and connect, the 4th, five inductance L 4, 1 liang of line of the other end of L5 and described host side signaling conversion circuit is connected, the and the 4th, five inductance L 4, between L5 by the first capacitor C 1 and connect, described remote controller end output signal is via second, four transistor DQ2, DQ4 transmission is converted to signal transmission again and transfers to the 4th inductance L 4 by the 4th crystal diode D4 and be coupled on two lines and transmitted after the first Zener diode ZD1 voltage stabilizing.
Described host side input signal and host side output signal are all direct current 5V digital pulse signal, and its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", and 1.536ms high level 1.536ms low level in succession is considered as " 0 "; Described remote controller end input signal and remote controller end output signal are all direct current 5V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", 1.536ms high level 1.536ms low level in succession is considered as " 0 ", the signal that is host computer control chip CPU1 transmitting-receiving is identical with the signal dutyfactor of remote controller control chip CPU2 transmitting-receiving, certainly, the duty that can adjust these signals according to the model of selected host computer control chip CPU1 and remote controller control chip CPU2 is amplitude when.
Described two line signal transmissions are direct current 18V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", 1.536ms high level 1.536ms low level in succession is considered as " 0 ", the dutycycle of two line signal transmissions and host side input, output signal, the dutycycle of the input of remote controller end, output signal is all identical, certainly, the duty that can adjust this signal according to the model of selected host computer control chip CPU1 and remote controller control chip CPU2 is amplitude when.
Be formed with the corresponding positive and negative input change-over circuit that connects worked and process the signal transmission translation function in corresponding wiring situation because host side signal input circuit respective hosts end signal change-over circuit 1 and 2 of remote controller end signal change-over circuits positive and negative connects, even the connection line wrong between main frame and remote controller (be host side signaling conversion circuit 1 with 2 reversal connections of remote controller end signal change-over circuit), also can make remote controller end output signal accurately be converted to after treatment host side input signal input host computer control chip CPU1 and be processed and reach distant control function; Realize the transmission between each signal transmission by the coupling components and parts, compared to the corresponding transmission of single line of traditional communicating circuit, even this transmission means host side signaling conversion circuit 1 and 2 reversal connections of remote controller end signal change-over circuit also can not interrupt affecting the transmission between signal.

Claims (5)

1. a communication system of gas water heater of remedying function with misconnection, realize the host computer control chip (CPU1) of gas heater and the both-way communication between remote controller control chip (CPU2), it is characterized in that: this both-way communication mode is two line bi-directional digital transmission, comprises host side signaling conversion circuit (1) and remote controller end signal change-over circuit (2):
Host side signaling conversion circuit (1) and host computer control chip (CPU1) transmitted in both directions, and be positioned at gas heater,
Remote controller end signal change-over circuit (2) and remote controller control chip (CPU2) transmitted in both directions, and be positioned at remote controller,
Host side signaling conversion circuit (1) and the corresponding transmitted in both directions of remote controller end signal change-over circuit (2);
Remote controller end output signal is converted to corresponding host side input signal through remote controller end signal change-over circuit (2) and host side signaling conversion circuit (1) and transfers to host computer control chip (CPU1): be formed with in described host side signaling conversion circuit (1) by positive and negative and connect the host side signal input circuit that the input change-over circuit forms, described positive and negative connect to input when change-over circuit corresponds respectively between host side signaling conversion circuit (1) and remote controller end signal change-over circuit (2) positive and negative connecing change out the host side input signal; Host side output signal corresponding to output after host computer control chip (CPU1) responds this host side input signal and does respective handling, the host side output signal is converted to corresponding remote controller end input signal through host side signaling conversion circuit (1) and remote controller end signal change-over circuit (2) and transfers to remote controller end control chip (CPU2);
Described remote controller end output signal is converted to corresponding host side input signal through remote controller end signal change-over circuit (2) and host side signaling conversion circuit (1), and the implementation that the host side output signal is converted to corresponding remote controller end input signal through host side signaling conversion circuit (1) and remote controller end signal change-over circuit (2) is: described host side signaling conversion circuit (1) also comprises the host side signal output apparatus, described remote controller end signal change-over circuit (2) comprises remote controller end signal input circuit and remote controller end signal output circuit, described remote controller end output signal is after remote controller end signal output circuit is output as signal transmission, be converted to corresponding host side input signal through the host side signal input circuit again, described host side output signal, after the host side signal output apparatus is output as signal transmission, then is converted into remote controller end input signal through remote controller end input circuit,
Just described, reversal connection input change-over circuit just corresponds respectively between host side signaling conversion circuit (1) and remote controller end signal change-over circuit (2), the implementation of changing out the host side input signal during reversal connection is: described host side signal input circuit is connected with remote controller end signal change-over circuit (2) two lines by the coupling of coupling components and parts is rear with the host side signal output apparatus, described host side signaling conversion circuit (1) and remote controller end signal change-over circuit (2) are just, during reversal connection, signal transmission corresponding input after these coupling components and parts through the output of remote controller end signal output circuit is just described, reversal connection input change-over circuit, signal transmission described remote controller end signal input circuit of corresponding input after these coupling components and parts through the output of host side signal output apparatus,
Described coupling components and parts are coupling inductance (L3), described host side signal input circuit comprises coupling inductance (L3), the 8th crystal diode (D8), second, three, four Zener diode (ZD2, ZD3, ZD4) the and six, eight, nine transistor (DQ6, DQ8, DQ9), described second, three Zener diode (ZD2, ZD3) with the relative differential concatenation of negative pole, described the 8th crystal diode (D8) with the 4th Zener diode (ZD4) with the relative differential concatenation of positive pole, the negative pole of the positive pole of described the second Zener diode (ZD2) and the 8th crystal diode (D8) also connects the first coil one end that rear access misfortune is closed inductance (L3), the positive pole of described the 3rd Zener diode (ZD3) connects the base stage of the 6th transistor (DQ6), the grounded emitter of the 6th transistor (DQ6), the colelctor electrode of the colelctor electrode of the 6th transistor (DQ6) and the 9th transistor (DQ9) also connects rear access 5V voltage and exports described host side input signal in host computer control chip (CPU1), the colelctor electrode of the emitter stage of described the 9th transistor (DQ9) and the 8th transistor (DQ8) also connects rear ground connection, the emitter stage of described the 8th transistor also connects the base stage of colelctor electrode and described the 9th transistor (DQ9) of described the 6th transistor (DQ6), and the base stage of described the 8th transistor (DQ8) connects the negative pole of described the 4th Zener diode (ZD4),
Described host side signal output apparatus comprises triode (Q4), the 4th electric capacity (C34), the 9th crystal diode (D9), the tenth transistor (DQ10) and described coupling inductance (L3), described host side output signal is inputted the base stage of described the tenth transistor (DQ10), the grounded emitter of the tenth transistor (DQ10), the base stage of the colelctor electrode while connecting triode (Q4) of the tenth transistor (DQ10) and the negative pole of the 9th crystal diode (D9), and described the 9th crystal diode (D9) just, negative pole accesses respectively the collector and emitter of triode (Q4), the emitter stage access 18V voltage of this triode (Q4), the colelctor electrode of triode (Q4) connects the first coil one end of described coupling inductance (L3), between first coil one end of this coupling inductance (L3) and the second coil one end by the 4th electric capacity (C34) and connect, the second coil one end ground connection of described coupling inductance (L3),
The first coil other end of described coupling inductance (L3) is connected described remote controller end signal change-over circuit (2) with the second coil other end two lines;
Described remote controller end signal output circuit comprises the first Zener diode (ZD1), first, two, four transistor (DQ1, DQ2, DQ4) the and four, five crystal diode (D4, D5), include the 4th in described remote controller end signal change-over circuit (2), five inductance (L4, L5) and the first, two electric capacity (C1, C2), described remote controller end output signal is inputted the base stage of the second transistor (DQ2), the emitter stage of this second transistor (DQ2) connects signal ground (SGND), the colelctor electrode of the second transistor (DQ2) connects the base stage of the 4th transistor (DQ4), the emitter stage access signal voltage (VCC1) of the 4th transistor (DQ4), the colelctor electrode of the 4th transistor (DQ4) connects the base stage of positive pole and the first crystal triode (DQ1) of the 4th crystal diode (D4) simultaneously, the grounded emitter (GND) of this first crystal triode (DQ1), the colelctor electrode of first crystal triode (DQ1) connects the negative pole of the 5th crystal diode (D5), the positive pole of described the 4th crystal diode (D4) connects the negative pole of the first Zener diode (ZD1), the plus earth (GND) of this first Zener diode (ZD1), the negative pole of the 4th crystal diode (D4) connects an end of the 4th inductance (L4), the 5th crystal diode (D5) connects an end of the 5th inductance (L5), the 4th, five inductance (L4, L5) between a end by the second electric capacity (C2) and connect, the 4th, five inductance (L4, L5) the other end is connected with described host side signaling conversion circuit (1) two line, the and the 4th, five inductance (L4, L5) between by the first electric capacity (C1) and connect, described remote controller end output signal is via second, four transistor (DQ2, DQ4) transmission is converted to signal transmission again and transfers to the 4th inductance (L4) by the 4th crystal diode (D4) and be coupled on two lines and transmitted after the first Zener diode (ZD1) voltage stabilizing.
2. the communication system of gas water heater of remedying function with misconnection according to claim 1, it is characterized in that: described host side signal input circuit also comprises first, six, 13, 14, 15, 16, 17, 18 resistance (R21, R26, R53, R54, R55, R56, R57, R58) the and three, five, six electric capacity (C33, C35, C36), between the first coil other end of described coupling inductance (L3) and the second coil other end by the 3rd electric capacity (C34) and connect, described the 5th electric capacity (C35) is connected between the base stage and colelctor electrode of described the 8th transistor (DQ8), the 6th electric capacity (C36) is connected between the colelctor electrode and emitter stage of described the 9th transistor (DQ9), the 18 resistance (R58) is connected between the base stage and emitter stage of described the 8th transistor (DQ8), the colelctor electrode of described the 6th transistor (DQ6) accesses described 5V voltage by the first resistance (R21), the colelctor electrode of described the 9th transistor (DQ9) accesses described 5V voltage by the 6th resistance (R26), the 15 resistance (R55) is in parallel with described the 4th electric capacity (C34), the colelctor electrode of described triode (Q4) accesses the first coil one end of described coupling inductance (L3) by the 14 resistance (R54), be connected by the 17 resistance (R57) between the colelctor electrode of the base stage of described triode (Q4) and described the tenth transistor (DQ10), be connected with the 16 resistance (R56) between the base stage of this triode (Q4) and emitter stage.
3. the communication system of gas water heater of remedying function with misconnection according to claim 1, it is characterized in that: described the 6th, nine, ten transistors (DQ6, DQ9, DQ10) are NPN type triode, and described the 4th, eight transistors (Q4, DQ8) are the positive-negative-positive triode.
4. the communication system of gas water heater of remedying function with misconnection according to claim 1, it is characterized in that: described host side input signal and host side output signal are all direct current 5V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", and 1.536ms high level 1.536ms low level in succession is considered as " 0 "; Described remote controller end input signal and remote controller end output signal are all direct current 5V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", and 1.536ms high level 1.536ms low level in succession is considered as " 0 ".
5. the communication system of gas water heater of remedying function with misconnection according to claim 1, it is characterized in that: described two line signal transmissions are direct current 18V digital pulse signal, its unit periodic signal is: 3.072ms high level 1.536ms low level in succession is considered as " 1 ", and 1.536ms high level 1.536ms low level in succession is considered as " 0 ".
CN2009102647960A 2009-12-28 2009-12-28 Gas water heater communication system with misconnection remediation function Expired - Fee Related CN102109222B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647905A (en) * 1984-06-29 1987-03-03 Siemens Aktiengesellschaft Improved pulse-width-modulation signal converter
CN2840227Y (en) * 2005-11-14 2006-11-22 上海贝岭股份有限公司 Multiplexing circuit for multi-channel various signal intermix measurement
CN201569170U (en) * 2009-12-28 2010-09-01 樱花卫厨(中国)股份有限公司 Communication system of gas water heater with function of stagger joint and remedy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647905A (en) * 1984-06-29 1987-03-03 Siemens Aktiengesellschaft Improved pulse-width-modulation signal converter
CN2840227Y (en) * 2005-11-14 2006-11-22 上海贝岭股份有限公司 Multiplexing circuit for multi-channel various signal intermix measurement
CN201569170U (en) * 2009-12-28 2010-09-01 樱花卫厨(中国)股份有限公司 Communication system of gas water heater with function of stagger joint and remedy

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