CN2553412Y

CN2553412Y - Intelligent control meter for radiator

Info

Publication number: CN2553412Y
Application number: CN 02268369
Authority: CN
Inventors: 巩同林
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-16
Filing date: 2002-07-16
Publication date: 2003-05-28
Anticipated expiration: 2012-07-16

Abstract

The utility model provides a heating intelligent controller. The utility model comprises a keyboard K, a plurality of temperature detecting circuits and a plurality of control circuits, and additionally provides a phone circuit, a note magnification circuit, a microcomputer communication circuit, a simulating off-hook circuit and a ringing detecting circuit. The keyboard K is correspondingly connected with the I/O port of a monolithic processor. Wherein, the T0 port of the monolithic processor is connected with the rectified telephone signal through the simulating off-hook circuit. The T#-(1) port of the monolithic processor is correspondingly connected with the phone circuit through the ringing detecting circuit. The P#-(0) port of the monolithic processor is correspondingly connected with the input end of the phone circuit. The output end of the phone circuit is connected with the phone circuit through the note magnification circuit and the transformer coupling. The serial input port RXD and the serial output port TXD are connected with the PC machine through the serial connectors. The intelligent controller detects the temperature of each room through the temperature detecting circuits. The set time and temperature are inputted into the monolithic processor through the I/O port through the keyboard, the phone circuit or the microcomputer. The corresponding warning tone is sent out through the phone circuit. The monolithic processor controls the temperature of each room through controlling the magnetic valve according to the time and temperature. The heating load is effectively controlled and the energy is saved.

Description

The heating installation intelligent controller

Technical field

The utility model provides a kind of heating installation intelligent controller, belongs to heating temperature automatic control technology field.

Background technology

In each large, medium and small city, office building, dormitory building are all used central heating, carry out single household in recent years again the heat energy table is installed, and make charge more reasonable, and effective utilization pendulum of heating installation is in face of us like this.Many unit orderly room no ones or After Hours heating installation opening as before; Or no one's heating installation is being opened as before in the family; Or parlor, dining room no one's heating installation are being opened as before daytime bedroom no one, evening.So both wasted the energy, and increased spending again, having indoor temperature too high more also is waste.At present, existing automatic control technology to collective's heating indoor temperature, utility model patent as the announcement on 04 03rd, 2002 of Chinese patent communique: heating installation energy-saving controller, application number: 012370088, primary structure is on the radiator in each room of heating user solenoid valve to be installed, temp probe is installed in each room, and the arbitrary temp in the random time section in each room is controlled, and major advantage is to utilize minimum heat energy to reach minimum heating effect.This device is more suitable for normal family on and off duty, but for the time of going home random family just not too suitable.

Summary of the invention

The purpose of this utility model provides a kind of heating duration and temperature that can overcome above-mentioned deficiency, control each room by remote telephone or internet.

The purpose of this utility model is achieved in that

Comprise keyboard K, coding circuit IC ₀, a plurality of room temperature testing circuit IC ₁, single-chip microcomputer IC ₂, decoding circuit IC ₃, a plurality of control circuits and display, wherein single-chip microcomputer IC ₂I/O mouth correspondence meet display, a plurality of room temperature testing circuit IC ₁Output terminal, a plurality of control circuits input end and successively through decoding circuit IC ₃, coding circuit IC ₀Meet keyboard K, control circuit connects the blower fan or the solenoid valve of heating, it is characterized in that: set up sound circuit IC ₄, audio amplifier circuit IC ₅, the microcomputer communication IC circuit ₆, simulation circuit for answering and ring detecting circuit, wherein single-chip microcomputer IC ₂T ₀The telephone signal of mouth after the simulation circuit for answering connects rectification, its T ₁Mouthful through the ring detecting circuit correspondence loop of answering the call, its P ₀The mouth correspondence meets sound circuit IC ₄Input end, sound circuit IC ₄Output terminal through audio amplifier circuit IC ₅, transformer T ₁Be coupled to line loop, its serial input port RXD, serial delivery outlet TXD are through the microcomputer communication IC circuit ₆Connect PC.

Described heating installation intelligent controller, the simulation circuit for answering comprises resistance R ₈, resistance R ₁₀, triode Q ₁And capacitor C ₄, triode Q wherein ₁Base stage respectively through resistance R ₁₀Meet single-chip microcomputer IC ₂T ₀Mouthful, through capacitor C ₄With triode Q ₁Emitter join the back ground connection, its collector is through resistance R ₈Connect the telephone signal after the rectification.

Described heating installation intelligent controller, ring detecting circuit comprises resistance R ₉, resistance R ₁₁, capacitor C ₃, capacitor C ₅, stabilivolt D ₂, diode D ₃With photoelectrical coupler U ₁, photoelectrical coupler U wherein ₁Diode cathode meet diode D respectively ₃Negative pole, through stabilivolt D ₂And resistance R ₉Connect capacitor C ₃, diode D ₃Positive pole and photoelectrical coupler U ₁Diode cathode join the back and capacitor C ₃The other end be attempted by in the line loop photoelectrical coupler U ₁Output terminal meet single-chip microcomputer IC respectively ₂T ₁Mouth and resistance R ₁₁, capacitor C ₅An end, resistance R ₁₁, capacitor C ₅Other end ground connection.

Described heating installation intelligent controller, sound circuit IC ₄The input end correspondence meet single-chip microcomputer IC ₂Two-way I/O mouth P _0.0～P _0.2, INT ₀, its output termination audio amplifier circuit IC ₅Input end, audio amplifier circuit IC ₅Output terminal through capacitor C ₉Meet loudspeaker LS ₁With transformer T ₁Primary coil, by transformer T ₁Be coupled to line loop.

Described heating installation intelligent controller, each control circuit includes triode, diode and relay, and wherein the base stage of triode meets single-chip microcomputer IC through resistance ₂High P ₂Mouthful, its grounded emitter, its collector through and the diode and the relay that connect connect+the 6V power supply, the normal opened contact of relay is serially connected in the loop of the blower fan of heating or solenoid valve.

Described heating installation intelligent controller, single-chip microcomputer IC ₂Low P ₁The mouth correspondence meets a plurality of room temperature testing circuit IC ₁, its high P ₁Mouth and interrupting input end INT ₁Correspondence meets decoding circuit IC ₃Output terminal, its low P ₂The corresponding input end that connects 8 common cathode light-emitting diode displays of mouth.

Described heating installation intelligent controller, the microcomputer communication IC circuit ₆For standard RS232 interface conversion chip, mainly finish the conversion of TTL to RS232 level, be single-chip microcomputer IC ₂Communicating by letter with PC provides path.

Its principle of work is: present technique is set up Long-distance Control such as phone settings control and network on the basis of original keyboard to set up heating duration and temperature.Be controlled to be example with phone settings, when ringdown, ringing-current enters photoelectrical coupler U ₁Input end is delivered to single-chip microcomputer IC by its output terminal output pulse square wave signal ₂T ₁End is when ringing number reaches single-chip microcomputer IC ₂During the number of times set, single-chip microcomputer IC ₂T ₀End output high level makes triode Q ₁Thereby off-hook is simulated in the impedance that conducting changes on the telephone wire.Double-audio signal after rectification outputs to decoding circuit IC ₃Input end, through decoding circuit IC ₃Handle corresponding 8421 yards of back output, in order to obtain valid data, decoding circuit IC ₃The STD pin after oppositely, meet single-chip microcomputer IC ₂INT ₁Pin.As decoding circuit IC ₃After obtaining effective double-audio signal, STD pin level is uprised by low, through single-chip microcomputer IC ₂After the detection, by its P ₁The Gao Siwei of mouth receives effective 8421 yards, adjusts password, clock, imports the temperature range of beginning, stand-by time and the maintenance of different time sections domestic demand of each room heating installation.As single-chip microcomputer IC ₂After receiving 8421 yards, trigger sound circuit IC ₄Corresponding voice segments is by audio amplifier circuit IC ₅Send into loudspeaker LS after the amplification ₁Or through T ₁Be coupled to line loop, the user can be from loudspeaker LS ₁Or hear sound circuit IC in the phone ₄The prompting of sending is operated accordingly, then content of operation is passed through single-chip microcomputer IC ₂P ₂Low four input ends that output to 8 common cathode digital indicator LED of mouth, driving display LED shows content corresponding.Room temperature testing circuit IC ₁Be used to detect indoor temperature, through single-chip microcomputer IC ₂P ₁Low four of mouth are input to single-chip microcomputer IC ₂In, by single-chip microcomputer IC ₂Judge whether to belong to and to stop time period of heating or reducing heating temperature, in this way, control the blower fan or the solenoid valve of heating by control circuit repeat circuit and triode, make indoorly to stop heating and reduce heating temperature, otherwise indoor temperature is remained on the normal heating temperature value.Present technique can also be passed through the microcomputer communication IC circuit ₆Communicating by letter with PC for single-chip microcomputer provides path, controls and shows the heating situation, and principle is with the telephone remote setting.

The utility model compared with prior art can utilize telephone wire or PC to carry out the remote control setting, and sound prompt function is arranged, and is more convenient to operate, and energy savings improves heat supply managing ability and technical merit more.

Description of drawings

Fig. 1 is a principle of work block diagram of the present utility model.

Fig. 2 is the circuit diagram that the utility model is monitored 4 room warm-air feed times, temperature embodiment.

Embodiment

The coding circuit IC of keyboard K ₀Adopt CIC9187, room temperature testing circuit IC ₁Adopt DS1820, single-chip microcomputer IC ₂Adopt AT89C52, decoding circuit IC ₃Adopt MT8870, sound circuit IC ₄Adopt ISD2560, audio amplifier circuit IC ₅Adopt LM386, microcomputer communication IC circuit ₆Adopt RS232, Programmable Watchdog chip IC ₇Adopt X25045.

Room temperature testing circuit IC ₁Comprise digital temperature sensing device IC _1.1～IC _1.4, be placed on each room, with the temperature input single-chip microcomputer IC that records ₂Input/output port P able to programme _1.0～P _1.3, decoding circuit IC ₃Correspondence meets single-chip microcomputer IC ₂Input able to programme input port P _1.4～P _1.7, decoding circuit IC ₃The STD live end after oppositely, meet single-chip microcomputer IC ₂INT ₁Pin, decoding circuit IC ₃The coding input end successively through resistance R ₅And capacitor C ₀Meet coding circuit IC ₀Output terminal, through resistance R ₅Connect capacitor C ₁, coding circuit IC ₀Input termination keyboard K, capacitor C ₁The other end respectively through rectifier bridge D ₁Circuit TEL answers the call ₁And TEL ₂, through resistance R ₈Meet triode Q ₁Collector, triode Q ₁Grounded emitter, and through capacitor C ₄Meet triode Q ₁Base stage, triode Q ₁Base stage through resistance R ₁₀Meet single-chip microcomputer IC ₂T ₀Mouthful, be used for to single-chip microcomputer IC ₂Input simulation off hook signal, single-chip microcomputer IC ₂T ₁Mouth meets photoelectrical coupler U ₁Output terminal, and through resistance R ₁₁, capacitor C ₅Ground connection, photoelectrical coupler U ₁Diode cathode meet diode D respectively ₃Negative pole, through stabilivolt D ₂And resistance R ₉Connect capacitor C ₃, diode D ₃Positive pole and photoelectrical coupler U ₁Diode cathode join the back and capacitor C ₃The other end be attempted by in the line loop sound circuit IC ₄The address port correspondence meet single-chip microcomputer IC ₂Address/data bus mouth P _0.0～P _0.2, INT ₀, sound circuit IC ₄Delivery outlet SP+, SP-correspondence meet audio amplifier circuit IC ₅Input end, audio amplifier circuit IC ₅Output termination loudspeaker LS ₁And through transformer T ₁Be coupled to line loop.Single-chip microcomputer IC ₂P _2.0～P _2.3Correspondence connects the input end of 8 common cathode digital indicator LED, is used for the display operation content, its P _2.4～P _2.7Mouth is corresponding to resistance R ₁₅～R ₁₈Meet each control circuit triode Q ₂～Q ₅Base stage, triode Q ₂～Q ₅Grounded emitter, its collector through and the diode D that connects ₄～D ₇And relay K ₁～K ₄Connect+the 6V power supply relay K ₁～K ₄Normal opened contact be serially connected in solenoid valve U ₂～U ₅The loop in, solenoid valve U ₂～U ₅Be arranged on the hot duct in each room.The microcomputer communication IC circuit ₆Adopt the RS232 serial line interface, be single-chip microcomputer IC ₂Communicating by letter with PC provides path.The Programmable Watchdog chip IC ₇The signal wire correspondence meet single-chip microcomputer IC ₂RESET, P _0.3～P _0.6End has outage data hold function, watchdog function, power on and off reset function, supply voltage monitoring function to Single Chip Microcomputer (SCM) system.

This intelligent controller detects the temperature in each room by the room temperature testing circuit, by keyboard K, telephone line TEL _1～2, microcomputer PC the time of setting, temperature by I/O mouth input single-chip microcomputer IC ₂, by sound circuit IC ₄Send the corresponding prompt sound, single-chip microcomputer IC ₂Time and temperature according to time, temperature and setting compare, by control electromagnetic valve U ₂～U ₅Control each room temperature, indoor temperature is maintained on the setting value, effectively control heating load, save the energy, improve heating management ability and technical merit.

The utility model embodiment controls with four the tunnel and illustrates, by to port extension, can change heating installation arbitrarily and control the size, and solenoid valve also can be blower fan.

Claims

1, a kind of heating installation intelligent controller comprises keyboard K, coding circuit IC ₀, a plurality of room temperature testing circuit IC ₁, single-chip microcomputer IC ₂, decoding circuit IC ₃, a plurality of control circuits and display, wherein single-chip microcomputer IC ₂I/O mouth correspondence meet display, a plurality of room temperature testing circuit IC ₁Output terminal, a plurality of control circuits input end and successively through decoding circuit IC ₃, coding circuit IC ₀Meet keyboard K, control circuit connects the blower fan or the solenoid valve of heating, it is characterized in that: set up sound circuit IC ₄, audio amplifier circuit IC ₅, the microcomputer communication IC circuit ₆, simulation circuit for answering and ring detecting circuit, wherein single-chip microcomputer IC ₂T ₀The telephone signal of mouth after the simulation circuit for answering connects rectification, its T ₁Mouthful through the ring detecting circuit correspondence loop of answering the call, its P ₀The mouth correspondence meets sound circuit IC ₄Input end, sound circuit IC ₄Output terminal through audio amplifier circuit IC ₅, transformer T ₁Be coupled to line loop, its serial input port RXD, serial delivery outlet TXD are through the microcomputer communication IC circuit ₆Connect PC.

2, heating installation intelligent controller as claimed in claim 1 is characterized in that: the simulation circuit for answering comprises resistance R ₈, resistance R ₁₀, triode Q ₁And capacitor C ₄, triode Q wherein ₁Base stage respectively through resistance R ₁₀Meet single-chip microcomputer IC ₂T ₀Mouthful, through capacitor C ₄With triode Q ₁Emitter join the back ground connection, its collector is through resistance R ₈Connect the telephone signal after the rectification.

3, heating installation intelligent controller as claimed in claim 1, it is characterized in that: ring detecting circuit comprises resistance R ₉, resistance R ₁₁, capacitor C ₃, capacitor C ₅, stabilivolt D ₂, diode D ₃With photoelectrical coupler U ₁, photoelectrical coupler U wherein ₁Diode cathode meet diode D respectively ₃Negative pole, through stabilivolt D ₂And resistance R ₉Connect capacitor C ₃, diode D ₃Positive pole and photoelectrical coupler U ₁Diode cathode join the back and capacitor C ₃The other end be attempted by in the line loop photoelectrical coupler U ₁Output terminal meet single-chip microcomputer IC respectively ₂T ₁Mouth and resistance R ₁₁, capacitor C ₅An end, resistance R ₁₁, capacitor C ₅Other end ground connection.

4, heating installation intelligent controller as claimed in claim 1 is characterized in that: sound circuit IC ₄The input end correspondence meet single-chip microcomputer IC ₂Two-way I/O mouth P _0.0～P _0.2, INT ₀, its output termination audio amplifier circuit IC ₅Input end, audio amplifier circuit IC ₅Output terminal through capacitor C ₉Meet loudspeaker LS ₁With transformer T ₁Primary coil, by transformer T ₁Be coupled to line loop.

5, heating installation intelligent controller as claimed in claim 1, it is characterized in that: each control circuit includes triode, diode and relay, and wherein the base stage of triode meets single-chip microcomputer IC through resistance ₂High P ₂Door, its grounded emitter, its collector through and the diode and the relay that connect connect+the 6V power supply, the normal opened contact of relay is serially connected in the loop of the blower fan of heating or solenoid valve.

6, heating installation intelligent controller as claimed in claim 1 is characterized in that: single-chip microcomputer IC ₂Low P ₁The mouth correspondence meets a plurality of room temperature testing circuit IC ₁

7, heating installation intelligent controller as claimed in claim 1 is characterized in that: single-chip microcomputer IC ₂High P ₁Mouth and interrupting input end INT ₁Correspondence meets decoding circuit IC ₃Output terminal.

8, heating installation intelligent controller as claimed in claim 1 is characterized in that: single-chip microcomputer IC ₂Low P ₂The corresponding input end that meets 8 common cathode digital indicator LED of mouth.

9, heating installation intelligent controller as claimed in claim 1 is characterized in that: the microcomputer communication IC circuit ₆Be standard RS232 interface conversion chip.