CN2468082Y - Energy-saving control instrument for heating system - Google Patents
Energy-saving control instrument for heating system Download PDFInfo
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- CN2468082Y CN2468082Y CN 01216752 CN01216752U CN2468082Y CN 2468082 Y CN2468082 Y CN 2468082Y CN 01216752 CN01216752 CN 01216752 CN 01216752 U CN01216752 U CN 01216752U CN 2468082 Y CN2468082 Y CN 2468082Y
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Abstract
The utility model relates to an automatic control device which is used for a central heating system, which is characterized in that the utility model is provided with a clock controlled circuit which is connected with an SCM through a data bus. The utility model can set different time periods according to actual demands to control heating temperature in different time periods, and can effectively control heating quantity, with the advantages of energy saving and the reduction of heating expenses. The utility model is suitable for the automatic temperature control and the energy saving management of the central heating system.
Description
The utility model belongs to the control device field of space-heating system, relates to a kind of automaton that is used for central heating system.
Heating period in the winter time, many enterprise and institutions are after coming off duty, and the central heating system in the office block is operation as usual also, has so both wasted the energy, is unfavorable for again reducing expenses.
Patent ZL 95245487 discloses a kind of central heating energy saver, its primary structure is the nipple that has solenoid valve in parallel between the heating feed pipe at user's heat supply pipeline house lead in place and return pipe, and is provided with the thermistor temperature detecting device and signal is accepted driver.Can realize remote system controlled by computer constructure heating state, but, can only guarantee the constant of indoor temperature, can not control the height of heating temperature at times as required owing to there is not clock control device.
The purpose of this utility model provides a kind of heating installation energy-saving controller that can control heating temperature at times automatically.
In order to achieve the above object, the utility model provides a kind of heating installation energy-saving controller, comprise temperature sensor, temperature sensor is connected through the input end of amplifying circuit with the multi-channel analog/digital change-over circuit, temperature sensor and amplifying circuit can be provided with multichannel, each road is connected with an input end of multi-channel analog/digital change-over circuit respectively, single-chip microcomputer is through data bus and multi-channel analog/digital change-over circuit, initialization circuit, display circuit is connected with driving circuit for electromagnetic valve, it is characterized in that: clock control circuit is set, and clock control circuit links to each other with single-chip microcomputer through data bus.
Described clock control circuit comprises peripheral circuits such as clock chip and electric capacity, resistance, and the input of clock chip, output terminal are connected with the I/O interface of single-chip microcomputer through data bus.
1,12,14 pin of described clock chip and an end ground connection of electric capacity, 4-11 pin, 13,15 of clock chip, 17 link to each other with P00-P07 end, P27, WR, RD and the INT0 end of singlechip CPU respectively through data bus with 23 pin, 24 pin of clock chip and one termination of resistance+5V power supply, 18 pin of clock chip are connected with the other end of resistance and electric capacity, and all the other pins of clock chip are unsettled.
Compared with prior art, the utlity model has following characteristics:
1. can be set the different time periods according to actual needs,, control the heat supply temperature of different time sections automatically by the break-make of control electromagnetic valve.
2. can control the setting in temperature, control time, control system is simple in structure, low cost of manufacture, reliable operation.
3. heating load can effectively be controlled, energy savings, the expenditure of minimizing heat cost.
Below in conjunction with drawings and Examples the utility model is further elaborated:
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is the formation synoptic diagram of the utility model embodiment.
Fig. 3 and Fig. 4 are the wiring diagrams of the utility model embodiment.
Among Fig. 1, the circuit control section comprises temperature sensor 1, amplifying circuit 2, multi-channel analog/digital change-over circuit 3, single-chip microcomputer 4, initialization circuit 5, clock control circuit 6, display circuit 7, driving circuit for electromagnetic valve 8 and solenoid valve 9.Temperature sensor is connected through the input end of amplifying circuit with the multi-channel analog/digital change-over circuit, and temperature sensor and amplifying circuit can be provided with multichannel, and each road is connected with an input end of multi-channel analog/digital change-over circuit respectively; Single-chip microcomputer is connected with multi-channel analog/digital change-over circuit, initialization circuit, clock control circuit, display circuit and driving circuit for electromagnetic valve through data bus.
Owing to be provided with clock control circuit, so can set sometime section and set the control corresponding temperature, in 18 o'clock to 6 o'clock this section non-working time sections as the whole day on Saturday, Sunday and Mon-Fri, indoor temperature is controlled in 5-10 degree scopes, and the indoor temperature of all the other work hours is controlled between 18-22 degree.
Battery is housed in clock chip, and sustainable power supply is more than 10 years.Under powering-off state, the clock in the clock chip can also continue operation as usual, has a stable time, date signal parameter for reference to guarantee single-chip microcomputer.
Can change content displayed by setting keyboard, can adjust clock, can import the temperature range that needs maintenance.
Display circuit adopts 6 charactrons to show, can show the moon, day, week, the time, minute, second, can show the temperature value on a certain road.
Among Fig. 2, the formation of embodiment comprises user heating feed pipe 10, return pipe 11, nipple 12, temperature sensor 1, solenoid valve 9 and heating installation energy-saving controller 13, nipple is parallel between feed pipe and the return pipe, solenoid valve is set on the nipple, temperature sensor is arranged at indoor, and temperature sensor is connected with the heating installation energy-saving controller through lead 14 with solenoid valve.
Solenoid valve can be arranged on the nipple, also can be arranged at heating feed pipe (or return pipe) goes up and the cancellation nipple: be arranged on the nipple just in time opposite with the logic control relation that is arranged at the solenoid valve on the heating feed pipe (or return pipe), that is: if when being arranged on the nipple solenoid valve get electric for logical, then be arranged at feed pipe (or return pipe) when going up the solenoid valve dead electricity for logical.
Sketch principle of work of the present utility model in conjunction with Fig. 1 and Fig. 2:
Temperature sensor detects room temperature, zoom into voltage signal by amplifying circuit and deliver to the multi-channel analog/digital change-over circuit, convert the digital signal that single-chip microcomputer can be discerned to, simultaneously, single-chip microcomputer takes out the current time from clock control circuit, judge whether to be the non-working time, in this way, by the driving circuit for electromagnetic valve control electromagnetic valve, room temperature is controlled in 5-10 degree scopes, the working time scope then is controlled at room temperature between 18-22 degree in this way.When room temperature drops to the room temperature lower control limit, the utility model is closed solenoid valve (when solenoid valve is arranged on the nipple) automatically or is opened solenoid valve (on being arranged at heating feed pipe or return pipe time), increase the heating load that enters user's buildings, improve room temperature; When room temperature rises to the room temperature upper control limit, automatically open solenoid valve (when solenoid valve is arranged on the nipple) or close solenoid valve (on being arranged at heating feed pipe or return pipe time), reduce the heating load that enters user's buildings, reduce room temperature, thereby reach the purpose of control and maintenance room temperature.The purpose that the room temperature lower control limit is set in the non-working time section is to prevent interior of building temperature low excessively (as being lower than 0 degree), causes confession, return pipe bursting by freezing easily.
Fig. 3 and Fig. 4 are the wiring diagram of the utility model embodiment, comprise temperature sensor plug J3 (temperature sensor does not mark in the drawings) among the figure, by operational amplifier U13A, the amplifying circuit that U13B and resistance R 20-R23 etc. constitute, by analog/digital converter U12, address latch U15, with door U7B, U7C, not gate U6B, the multi-channel analog/digital change-over circuit that U6C and U6D etc. constitute, by clock chip U5, the clock control circuit that resistance R 33 and capacitor C 10 etc. constitute, by singlechip CPU chip U1, not gate U6F, resistance R 2, capacitor C 1, C2, C3, C4, C26, the single chip circuit that quartz crystal oscillator C0 etc. constitute, by I/O mouth extended chip U9, set button S1-S5, driver U5A-U5F, U10A-UI0B, U11A-U11F, charactron G1-G6, the setting that resistance R 19 and resistor chain J8 etc. constitute, display circuit, by with door U7A, not gate U6A, address latch U4, driving amplifier U8, resistance R 2, the driving circuit for electromagnetic valve that relay coil J and normally opened contact J1 etc. thereof constitute and the coil M1 of solenoid valve.
Temperature sensor directly is connected with plug J3, plug connects the reverse input end 6 of first order operational amplifier U13B and an end of resistance R 22 through resistance R 23, the output terminal 7 of another termination first order operational amplifier of resistance R 22, another input end 5 ground connection of first order operational amplifier, the output terminal 7 of first order operational amplifier connects the reverse input end 2 of second level operational amplifier U13A and an end of resistance R 20 through resistance R 21, the output terminal 1 of another termination second level operational amplifier of resistance R 20 and an input end (can be any one among the IN-0 to IN-15) of multi-channel analog/digital change-over circuit, another input end 3 ground connection of second level operational amplifier, 4 pin of operational amplifier connect-the 15V power supply, and 8 pin connect+the 15V power supply.
The corresponding connection with the input end D7-D0 of address latch U15 of data output end msb2-1-lsb2-8 of analog/digital converter U12 also is connected with the I/O interface P00-P07 of single-chip microcomputer through data bus, the input signal gating end ADD-A-ADD-D of analog/digital converter is connected with the high-end output terminal Q7-Q4 of address latch, the EOC signal end EOC of analog/digital converter is connected with the look-at-me end INT1 of single-chip microcomputer U1 through not gate U6B: the read signal control end RD of single-chip microcomputer and address date end P26 and with two input ends 9 of door U7C, 10 connect, should allow control end OUTena to be connected through not gate U6D with the data of analog/digital converter with the output terminal 8 of door, the write signal control end WR of single-chip microcomputer and address date end P26 with two input ends 4 of door U7B, 5 connect, and should be connected with start end STAR with the address latch end ALE of analog/digital converter through not gate U6C with the output terminal 6 of door; REF (+) end, REF (-) end of analog/digital converter connect respectively+5V power supply and ground, CMPin and MUXout end short circuit.
Between the X1 of single-chip microcomputer U1, the X2 end and be connected to quartz crystal oscillator C0 and respectively through capacitor C 1, C2 ground connection ,+5V power supply is connected the minus earth of capacitor C 4 through the input end 12 of resistance R 2 and not gate U6F and the positive pole of capacitor C 4; The output terminal 12 of not gate U6F is connected with the input end 1 of not gate U6A with the RESET of single-chip microcomputer end; The ALE/P end of single-chip microcomputer is connected with the CLOCK end of the LE end of address latch U15 and analog/digital converter U12; U12, U9 in initialization circuit, U5 in clock control circuit and the I/O port of U4 in driving circuit for electromagnetic valve of the P00-P07 of single-chip microcomputer end in data bus and A/D conversion circuit distinguished corresponding connection.
1,12,14 pin of clock chip U5 and an end ground connection of capacitor C 10,4-11 pin, 13,15 of clock chip, 17 link to each other with P00-P07 end, P27, WR, RD and the INT0 end of single-chip microcomputer U1 respectively with control bus through data bus with 23 pin, 24 pin of clock chip and one termination of resistance R 23+5V power supply, 18 pin of clock chip are connected with the other end of resistance R 23 and capacitor C 10, and all the other pins of clock chip are unsettled.
The FPDP AD0-AD7 of I/O mouth extended chip U9 is connected with the P00-P07 port of single-chip microcomputer through data bus, and one group of FPDP PA0-PA7 of I/O mouth extended chip connects with the COM end of corresponding charactron G6-G1 through driver U11A-U11F respectively; Another group FPDP PB0-PB7 of I/O mouth extended chip through driver U5A-U10B respectively with 1-8 corresponding connection of end of a to f end, dp end and the resistor chain J8 of corresponding charactron G6-G1, the 9 end connection+5V power supplys of resistor chain J8; Control port CE, the RD of I/O mouth extended chip, WR, IO/M, ALM and REST end join with the of the same name corresponding control port of single-chip microcomputer: the PC0 end of I/O mouth extended chip is connected with the input end of driver U11A-U11F through corresponding setting button S1-S5, and the PC0 end connects+the 5V power supply through resistance R 19 simultaneously.
Show that charactron G is 6, can show the moon, day, week, the time, minute, second, also can show a certain road temperature value, change content displayed by setting button S1-S5, can adjust clock, can import the start time and the stand-by time that need stop to heat, can import and needing in the heating duration section inner room to stop the temperature range to keep.
The input end 1 of not gate U6A in the driving circuit for electromagnetic valve is connected with the RESET of single-chip microcomputer end, output terminal 2 is connected with the CLR end of address latch U4, two input ends 1 with door U7A, 2 are connected with the P25 end with the WR of single-chip microcomputer respectively, its output terminal 3 is connected with the CLK end of address latch U4, input end D1-D8 of address latch U4 is connected with the P00-P07 end of single-chip microcomputer through data bus, the output terminal Q1 of address latch is connected with the input end IN of driver U8 and connects+the 5V power supply through resistance R 2, the output terminal OUT of driver U8 is connected with+12V power supply through relay coil J, the normally opened contact J1 of relay J is serially connected between the coil M1 and 220V power supply of solenoid valve, QV termination+12V power supply of driver U8, the GND end ground connection of driver U8, other pins of address latch U4 and driver U8 are unsettled.
Whole device detects room temperature by temperature sensor, delivering to amplifying circuit U13B, U13A by plug J3 amplifies, become voltage signal and deliver to multi-channel analog/digital change-over circuit U12, become the discernible digital signal of single-chip microcomputer, single-chip microcomputer U1 takes out the current time from clock control circuit U5 simultaneously, judge whether to be the working time, in this way, by driving circuit for electromagnetic valve U4, U8 control electromagnetic valve coil M1, room temperature is controlled in the 18-22 degree scope, in this way the non-working time, then room temperature is controlled in the 5-10 degree scope.When room temperature drops to the room temperature lower control limit, close solenoid valve (when solenoid valve is arranged on the nipple) automatically or open solenoid valve (on being arranged at heating feed pipe or return pipe time), increase the heating load that enters user's buildings, improve room temperature; When room temperature rises to the room temperature upper control limit, automatically open solenoid valve (when solenoid valve is arranged on the nipple) or close solenoid valve (on being arranged at heating feed pipe or return pipe time), reduce the heating load that enters user's buildings, reduce room temperature, thereby reach the purpose of control or maintenance room temperature.
The typical element parameter of the utility model embodiment:
U1:80C52, U4:74LS273, U5:DS12887, U5
A-F, U10
A-B: 7407, U6
A-F: 74LS04, U7
A-C: 74LS32, U8:1416, U9:8155, U11
A-F: 7406, U12:0816, U13:0907, U15:74LS373, G1-G6:LED, J:JQX-13F2, M1:MQ-5101, J3:LM45, C0:1M-6M, C1, C2:10-300p, C3, C4.1-470 μ, C10:20-4700p, C26:10-2700p, all resistance are 1-100K.
The utility model is suitable for the automatic temperature-adjusting control and the administration of energy conservation of central heating system.
Claims (3)
1. heating installation energy-saving controller, comprise temperature sensor, temperature sensor is connected through the input end of amplifying circuit with the multi-channel analog/digital change-over circuit, temperature sensor and amplifying circuit can be provided with multichannel, each road is connected with an input end of multi-channel analog/digital change-over circuit respectively, single-chip microcomputer is connected with multi-channel analog/digital change-over circuit, initialization circuit, display circuit and driving circuit for electromagnetic valve through data bus, it is characterized in that: clock control circuit is set, and clock control circuit links to each other with single-chip microcomputer through data bus.
2. according to the described heating installation energy-saving controller of claim 1, it is characterized in that described clock control circuit comprises peripheral circuits such as clock chip and electric capacity, resistance, the input of clock chip, output terminal are connected with the I/O interface of single-chip microcomputer through data bus.
3. according to claim 1 or 2 described heating installation energy-saving controllers, an end ground connection that it is characterized in that 1,12,14 pin and the electric capacity of described clock chip, 4-11 pin, 13,15 of clock chip, 17 link to each other with P00-P07 end, P27, WR, RD and the INT0 end of singlechip CPU respectively through data bus with 23 pin, 24 pin of clock chip and one termination of resistance+5V power supply, 18 pin of clock chip are connected with the other end of resistance and electric capacity, and all the other pins of clock chip are unsettled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216752 CN2468082Y (en) | 2001-02-28 | 2001-02-28 | Energy-saving control instrument for heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01216752 CN2468082Y (en) | 2001-02-28 | 2001-02-28 | Energy-saving control instrument for heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2468082Y true CN2468082Y (en) | 2001-12-26 |
Family
ID=33635114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01216752 Expired - Fee Related CN2468082Y (en) | 2001-02-28 | 2001-02-28 | Energy-saving control instrument for heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2468082Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445918C (en) * | 2005-06-15 | 2008-12-24 | 中国海洋大学 | Intelligent temperature control equipment |
| CN102679446A (en) * | 2012-05-17 | 2012-09-19 | 赵斌 | Automatically-control interstitial type heating radiator |
| CN101644935B (en) * | 2008-08-07 | 2013-04-17 | 天津大学 | Intelligent temperature controller for expectant temperature control of floor heating and working method thereof |
| CN104566622A (en) * | 2013-10-09 | 2015-04-29 | 樱花卫厨（中国）股份有限公司 | Intelligent one-key control system for heating equipment and control method of control system |
| CN106647856A (en) * | 2016-12-06 | 2017-05-10 | 贵州大学 | Internet of things based temperature control system |
-
2001
- 2001-02-28 CN CN 01216752 patent/CN2468082Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445918C (en) * | 2005-06-15 | 2008-12-24 | 中国海洋大学 | Intelligent temperature control equipment |
| CN101644935B (en) * | 2008-08-07 | 2013-04-17 | 天津大学 | Intelligent temperature controller for expectant temperature control of floor heating and working method thereof |
| CN102679446A (en) * | 2012-05-17 | 2012-09-19 | 赵斌 | Automatically-control interstitial type heating radiator |
| CN104566622A (en) * | 2013-10-09 | 2015-04-29 | 樱花卫厨（中国）股份有限公司 | Intelligent one-key control system for heating equipment and control method of control system |
| CN104566622B (en) * | 2013-10-09 | 2017-06-06 | 樱花卫厨（中国）股份有限公司 | The one key intelligence control system and its control method of heating equipment |
| CN106647856A (en) * | 2016-12-06 | 2017-05-10 | 贵州大学 | Internet of things based temperature control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |