CN105628260A - Heating meter metering device based on ADuC812 single-chip microcomputer - Google Patents
Heating meter metering device based on ADuC812 single-chip microcomputer Download PDFInfo
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- CN105628260A CN105628260A CN201410616033.9A CN201410616033A CN105628260A CN 105628260 A CN105628260 A CN 105628260A CN 201410616033 A CN201410616033 A CN 201410616033A CN 105628260 A CN105628260 A CN 105628260A
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Abstract
The invention discloses a heating meter metering device based on an ADuC812 single-chip microcomputer. The heating meter metering device comprises a signal detection circuit, an ADuC812 single-chip microcomputer power supply, a crystal oscillation circuit, a reset circuit, a keyboard display interface circuit and a GPRS wireless communication module. The signal detection circuit comprises a water inlet pipe temperature detection circuit, a water outlet pipe temperature detection circuit, a Hall flow sensor, a first instrument amplifier and a second instrument amplifier. The Hall flow sensor is connected with an I/O input port of the ADuC812 single-chip microcomputer. A clock circuit is further connected on to the I/O input port of the ADuC812 single-chip microcomputer. A keyboard and a four-digit nixie tube display are connected onto the keyboard display interface circuit. The invention can achieve temperature control of separate houses and separate rooms, provides corresponding technical support for residential areas adopting intelligent heat supply and allows a resident to adjust the room temperature for different rooms as actually needed, thereby improving the living comfort and saving heating expenditure.
Description
Technical field
The invention belongs to intelligent heat supply technical field, be specifically related to a kind of warm table metering device based on ADuC812 single-chip microcomputer.
Background technology
Along with the development of science and technology, resident living community forward digitized, intelligent direction develop; Heating network system at residential building carries out " household metering, measure by door are charged by family " gradually, not only contributes to save energy and reduce the cost, it is possible to improve the quality of life of people, is a kind of development trend. And traditional heating system is more to heat waste, it is impossible to realize branch control, it does not have cause the attention of its people. If be mounted with the heating system of central heating, separate house and separate room's regulation and control in residential quarter, it is possible to enable resident according to actual needs the room temperature in different rooms to be adjusted, both improve the comfort level of inhabitation, save again heating spending, benifit for people and nation. But, warm table metering device of the prior art there is also the defects such as circuit structure is complicated, wiring is complicated, cost is high, functional reliability is poor, function is complete not, have impact on it and promotes the use of.
Summary of the invention
The technical problem to be solved is in that for above-mentioned deficiency of the prior art, a kind of warm table metering device based on ADuC812 single-chip microcomputer is provided, this device can the saving energy l0% energy than traditional heat supply and metering method, and separate house and separate room's temperature control can be realized, wireless telemetering, can for adopting the residential quarter of intelligent heat supply to provide corresponding technical support, resident is enable according to actual needs the room temperature in different rooms to be adjusted, both improve the comfort level of inhabitation, save again heating spending.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of warm table metering device based on ADuC812 single-chip microcomputer, it is characterized in that: include the signal deteching circuit for heating temperature meter flow is detected, signal for signal deteching circuit is detected is analyzed the ADuC812 single-chip microcomputer of process and is the power supply of each electricity consumption module for power supply in described warm table metering device, and the crystal oscillating circuit connected with described ADuC812 single-chip microcomputer, reset circuit, keyboard and display interface circuit and for data being wirelessly transmitted to the GPRS wireless communication module in Internet network, described signal deteching circuit includes the water inlet pipe temperature sensing circuit for the temperature of heating water inlet pipe is detected, for the outlet pipe temperature sensing circuit that the temperature of heating outlet pipe is detected and the Hall flow sensor for heating water flow is detected, and for by the first instrument amplifier of the analog voltage signal that signal condition is 0��2.5V of water inlet pipe temperature sensing circuit output and the second instrument amplifier being used for the analog voltage signal that signal condition is 0��2.5V exported by outlet pipe temperature sensing circuit, described water inlet pipe temperature sensing circuit and outlet pipe temperature sensing circuit all temperature detection bridge circuits for being made up of Pt1000 platinum resistance, described first instrument amplifier and second instrument amplifier are all mainly made up of instrument amplifier chip AD620, the outfan of described first instrument amplifier and the outfan of second instrument amplifier all connect with the input of the A/D converter being integrated within described ADuC812 single-chip microcomputer, described Hall flow sensor connects with the I/O input port of described ADuC812 single-chip microcomputer, the I/O input port of described ADuC812 single-chip microcomputer is further connected with the clock circuit for providing real-time clock signal for described warm table metering device, described keyboard and display interface circuit is made up of keyboard and display interface chip 8279, described keyboard and display interface circuit is connected to the keyboard for parameter setting and for showing the group of four figures tube display of information.
The above-mentioned warm table metering device based on ADuC812 single-chip microcomputer, it is characterised in that: described power supply is battery or for connecting civil power and for 220V alternating current is converted in described warm table metering device the ac-dc converter circuit of DC voltage needed for each electricity consumption module.
The above-mentioned warm table metering device based on ADuC812 single-chip microcomputer, it is characterised in that: described battery is charged lithium cells.
The above-mentioned warm table metering device based on ADuC812 single-chip microcomputer, it is characterised in that: described clock circuit is mainly made up of clock chip DS12C887.
The above-mentioned warm table metering device based on ADuC812 single-chip microcomputer, it is characterised in that: described keyboard is 4 �� 4 keyboards.
The above-mentioned warm table metering device based on ADuC812 single-chip microcomputer, it is characterised in that: the model of described GPRS wireless communication module is GTM900B.
The above-mentioned warm table metering device based on ADuC812 single-chip microcomputer, it is characterised in that: described Hall flow sensor connects with the P3.5 port of described ADuC812 single-chip microcomputer.
The present invention compared with prior art has the advantage that
1, the circuit structure of the present invention is simple, and wiring is simple, it is achieved convenience and cost are low.
2, the present invention can the saving energy l0% energy than traditional heat supply and metering method, and separate house and separate room's temperature control can be realized, wireless telemetering, can for adopting the residential quarter of intelligent heat supply to provide corresponding technical support, resident is enable according to actual needs the room temperature in different rooms to be adjusted, both improve the comfort level of inhabitation, save again heating spending, benifit for people and nation.
3, the functional reliability of the present invention is high, practical, it is simple to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of the present invention.
Description of reference numerals:
1 ADuC812 single-chip microcomputer; 2 power supplies; 3 crystal oscillating circuits;
4 reset circuits; 5 keyboard and display interface circuit; 6 GPRS wireless communication modules;
7 water inlet pipe temperature sensing circuits; 8 first instrument amplifiers;
9 outlet pipe temperature sensing circuits; 10 second instrument amplifiers;
11 clock circuits; 12 keyboards; 1-1 A/D converter.
Detailed description of the invention
As shown in Figure 1, a kind of warm table metering device based on ADuC812 single-chip microcomputer of the present embodiment, including the signal deteching circuit for heating temperature meter flow is detected, signal for signal deteching circuit is detected is analyzed the ADuC812 single-chip microcomputer 1 of process and is the power supply 2 of each electricity consumption module for power supply in described warm table metering device, and the crystal oscillating circuit 3 connected with described ADuC812 single-chip microcomputer 1, reset circuit 4, keyboard and display interface circuit 5 and for data being wirelessly transmitted to the GPRS wireless communication module 6 in Internet network, described signal deteching circuit includes the water inlet pipe temperature sensing circuit 7 for the temperature of heating water inlet pipe is detected, for the outlet pipe temperature sensing circuit 9 that the temperature of heating outlet pipe is detected and the Hall flow sensor 14 for heating water flow is detected, and for the first instrument amplifier 8 of the analog voltage signal that signal condition is 0��2.5V that water inlet pipe temperature sensing circuit 7 is exported and the second instrument amplifier 10 being used for the analog voltage signal that signal condition is 0��2.5V exported by outlet pipe temperature sensing circuit 9, described water inlet pipe temperature sensing circuit 7 and outlet pipe temperature sensing circuit 9 all temperature detection bridge circuits for being made up of Pt1000 platinum resistance, described first instrument amplifier 8 and second instrument amplifier 10 are all mainly made up of instrument amplifier chip AD620, the outfan of described first instrument amplifier 8 and the outfan of second instrument amplifier 10 all connect with the input of the A/D converter 1-1 being integrated within described ADuC812 single-chip microcomputer 1, described Hall flow sensor 14 connects with the I/O input port of described ADuC812 single-chip microcomputer 1, the I/O input port of described ADuC812 single-chip microcomputer 1 is further connected with the clock circuit 11 for providing real-time clock signal for described warm table metering device, by keyboard 12, described keyboard and display interface circuit 5 shows that interface chip 8279 is constituted, described keyboard and display interface circuit 5 is connected to the keyboard 12 for parameter setting and for showing the group of four figures tube display 13 of information.
In the present embodiment, described power supply 2 is battery or for connecting civil power and for 220V alternating current is converted in described warm table metering device the ac-dc converter circuit of DC voltage needed for each electricity consumption module.
In the present embodiment, described battery is charged lithium cells.
In the present embodiment, described clock circuit 11 is mainly made up of clock chip DS12C887.
In the present embodiment, described keyboard 12 is 4 �� 4 keyboards.
In the present embodiment, the model of described GPRS wireless communication module 6 is GTM900B.
In the present embodiment, described Hall flow sensor 14 connects with the P3.5 port of described ADuC812 single-chip microcomputer 1.
The work process of the present invention is: the temperature of heating water inlet pipe is detected and exported by the signal detected to first instrument amplifier 8 by water inlet pipe temperature sensing circuit 7, and after the analog voltage signal that signal condition is 0��2.5V that water inlet pipe temperature sensing circuit 7 is exported by first instrument amplifier 8, the A/D converter 1-1 being integrated within described ADuC812 single-chip microcomputer 1 is given in output; The temperature of heating outlet pipe is detected and exports to second instrument amplifier 10 by the signal detected by outlet pipe temperature sensing circuit 9, after the analog voltage signal that signal condition is 0��2.5V that outlet pipe temperature sensing circuit 9 is exported by second instrument amplifier 10, the A/D converter 1-1 being integrated within described ADuC812 single-chip microcomputer 1 is given in output, the analog voltage signal of 0��2.5V that it receives is carried out A/D conversion every 250ms by A/D converter 1-1, is converted to digital signal to described ADuC812 single-chip microcomputer 1; Heating water flow is detected and by the output of pulse signal that detects to described ADuC812 single-chip microcomputer 1 by Hall flow sensor 14, the temperature of heating water inlet pipe, the heating temperature of outlet pipe and heating water flow are analyzed processing by described ADuC812 single-chip microcomputer 1, obtain heating-amount value being exported by keyboard and display interface circuit 5 and display to group of four figures tube display 13. Additionally, the temperature of heating water inlet pipe, the temperature of heating outlet pipe and the heating water flow that described ADuC812 single-chip microcomputer 1 can also be received, and obtain heating-amount value and be wirelessly transmitted in Internet network by GPRS wireless communication module 6, it is connected to Internet network for staff by computer and checks.
The present invention's is practical, can the saving energy l0% energy than traditional heat supply and metering method, and separate house and separate room's temperature control can be realized, wireless telemetering, can for adopting the residential quarter of intelligent heat supply to provide corresponding technical support, resident is enable according to actual needs the room temperature in different rooms to be adjusted, it is simple to promote the use of.
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure change above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention.
Claims (7)
1. the warm table metering device based on ADuC812 single-chip microcomputer, it is characterized in that: include the signal deteching circuit for heating temperature meter flow is detected, signal for signal deteching circuit is detected is analyzed the ADuC812 single-chip microcomputer (1) of process and is the power supply (2) of each electricity consumption module for power supply in described warm table metering device, and the crystal oscillating circuit (3) connected with described ADuC812 single-chip microcomputer (1), reset circuit (4), keyboard and display interface circuit (5) and for data being wirelessly transmitted to the GPRS wireless communication module (6) in Internet network, described signal deteching circuit includes the water inlet pipe temperature sensing circuit (7) for the temperature of heating water inlet pipe is detected, for the outlet pipe temperature sensing circuit (9) that the temperature of heating outlet pipe is detected and the Hall flow sensor (14) for heating water flow is detected, and the second instrument amplifier (10) for the first instrument amplifier (8) of the analog voltage signal that signal condition is 0��2.5V that water inlet pipe temperature sensing circuit (7) is exported and the analog voltage signal that signal condition is 0��2.5V for outlet pipe temperature sensing circuit (9) is exported, described water inlet pipe temperature sensing circuit (7) and outlet pipe temperature sensing circuit (9) all temperature detection bridge circuits for being made up of Pt1000 platinum resistance, described first instrument amplifier (8) and second instrument amplifier (10) are all mainly made up of instrument amplifier chip AD620, the input of the A/D converter (1-1) that the outfan of described first instrument amplifier (8) and the outfan of second instrument amplifier (10) are all internal with being integrated in described ADuC812 single-chip microcomputer (1) connects, described Hall flow sensor (14) connects with the I/O input port of described ADuC812 single-chip microcomputer (1), the I/O input port of described ADuC812 single-chip microcomputer (1) is further connected with the clock circuit (11) for providing real-time clock signal for described warm table metering device, by keyboard (12), described keyboard and display interface circuit (5) shows that interface chip 8279 is constituted, described keyboard and display interface circuit (5) is connected to the keyboard (12) for parameter setting and for showing the group of four figures tube display (13) of information.
2. the warm table metering device based on ADuC812 single-chip microcomputer described in claim 1, it is characterised in that: described power supply (2) is for battery or for connecting civil power and for 220V alternating current is converted in described warm table metering device the ac-dc converter circuit of DC voltage needed for each electricity consumption module.
3. the warm table metering device based on ADuC812 single-chip microcomputer described in claim 2, it is characterised in that: described battery is charged lithium cells.
4. the warm table metering device based on ADuC812 single-chip microcomputer described in claim 1, it is characterised in that: described clock circuit (11) is mainly made up of clock chip DS12C887.
5. the warm table metering device based on ADuC812 single-chip microcomputer described in claim 1, it is characterised in that: described keyboard (12) is 4 �� 4 keyboards.
6. the warm table metering device based on ADuC812 single-chip microcomputer described in claim 1, it is characterised in that: the model of described GPRS wireless communication module (6) is GTM900B.
7. the warm table metering device based on ADuC812 single-chip microcomputer described in claim 1, it is characterised in that: described Hall flow sensor (14) connects with the P3.5 port of described ADuC812 single-chip microcomputer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616033.9A CN105628260A (en) | 2014-11-05 | 2014-11-05 | Heating meter metering device based on ADuC812 single-chip microcomputer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616033.9A CN105628260A (en) | 2014-11-05 | 2014-11-05 | Heating meter metering device based on ADuC812 single-chip microcomputer |
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| CN105628260A true CN105628260A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410616033.9A Pending CN105628260A (en) | 2014-11-05 | 2014-11-05 | Heating meter metering device based on ADuC812 single-chip microcomputer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680278A (en) * | 2018-03-28 | 2018-10-19 | 合肥云智物联科技有限公司 | A kind of power equipment temperature monitoring system |
-
2014
- 2014-11-05 CN CN201410616033.9A patent/CN105628260A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680278A (en) * | 2018-03-28 | 2018-10-19 | 合肥云智物联科技有限公司 | A kind of power equipment temperature monitoring system |
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