CN103292384B - Make-and-break time area-method power-supply metering system - Google Patents
Make-and-break time area-method power-supply metering system Download PDFInfo
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- CN103292384B CN103292384B CN201310246372.8A CN201310246372A CN103292384B CN 103292384 B CN103292384 B CN 103292384B CN 201310246372 A CN201310246372 A CN 201310246372A CN 103292384 B CN103292384 B CN 103292384B
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Abstract
A kind of make-and-break time area-method power-supply metering system, including the measurement control unit being made up of building total heat scale, building sharing device, building data acquisition unit, on-off controller and the subscriber terminal unit being made up of on-off control valve, flow control valve, room thermostat, inflow temperature sensor, return water temperature sensor, radiator. Measurement control unit also includes a redundant electrical power; Building data acquisition unit also includes power failure detection circuit, charge management circuit and discharging management circuit, described power failure detection circuit is connected with lighting circuit, charge management circuit is connected with lighting circuit and redundant electrical power respectively, and described discharging management circuit is connected with on-off controller with redundant electrical power respectively. Above-mentioned make-and-break time area-method power-supply metering system can enable redundant electrical power when off-position, it is ensured that system is run.
Description
Technical field
The present invention relates to a kind of power-supply metering system, particularly with regard to a kind of make-and-break time area-method power-supply metering system with dual power-off protection function.
Background technology
At present, zonal central heating is own is popularized in the big and medium-sized cities of northern China. The high coverage rate of central heating can bring reduction heat cost undoubtedly, reduces environmental pollution, improves air quality, many benefits such as uplift the people's living standard. But the heat measuring methods such as the calorimeter method of existing employing, temperature differential method are generally individually by user's area of residence rather than by the charge of reality heat metering, cause that user's awareness of saving energy is poor, cause the waste of resource.
" make-and-break time area-method " heat measuring system, is a kind of centered by Thermal Corp or heat-exchanging station controlling system, with data acquisition computer for fulcrum, and a kind of Novel hot metering method being terminal with building calorimeter, on-off control valve, temperature controller. It realizes the behavior energy saving of user mainly through terminal control unit, improves the comfort level of user heating, is transmitted by data simultaneously and data information management system can improve heating enterprise to the monitoring capacity of heating system, lifting management level.
On-off control valve is as core component in " make-and-break time area-method " power-supply metering system, the electric heating valve generally adopted at present and electrodynamic valve two ways. The operation principle of electric heating valve is: when circuit disconnects, valve is in opening; Once circuit is opened, heating wire starts heating, realizes valve closing after thermometer bulb expanded by heating. In order to keep valve normally closed, it is necessary to be persistently energized to heating wire. And the working method of electrodynamic valve is: valve wide open or when entirely closing, all need not be energized, but realize in the handoff procedure of valve opening or closedown, it is necessary to energising.
It is limited to prior art, when adopting electric heating valve, as kept valve closing, it is necessary to persistently energising keeps heating wire duty;When adopting electrodynamic valve, shut off power in emergency once the valve closing stage meets with, namely can affect user's heat supply, and be likely to because temperature reason causes heat supply pipeline to endure cold blocking.
Summary of the invention
For solving above-mentioned technological deficiency, spy of the present invention provides a kind of power-supply metering system with outage detection and dual accessory power supply.
Bag of the present invention adopts following solution: a kind of make-and-break time area-method power-supply metering system, including the measurement control unit being made up of building total heat scale, building sharing device, building data acquisition unit, on-off controller and the subscriber terminal unit being made up of on-off control valve, flow control valve, room thermostat, inflow temperature sensor, return water temperature sensor, radiator. Described measurement control unit also includes a redundant electrical power; Described building data acquisition unit also includes power failure detection circuit, charge management circuit and discharging management circuit, described power failure detection circuit is connected with lighting circuit, described charge management circuit is connected with lighting circuit and redundant electrical power respectively, and described discharging management circuit is connected with on-off controller with redundant electrical power respectively.
Preferably, the external accessory power supply of described on-off controller; Described on-off controller also includes power failure detection circuit, charge management circuit and discharging management circuit, described power failure detection circuit is connected with power input port, described charge management circuit is connected with lighting circuit and accessory power supply respectively, and described discharging management circuit is connected with accessory power supply.
Preferably, described building data acquisition unit is provided with low power consumpting controling circuit
Preferentially, described on-off controller is provided with low power consumpting controling circuit.
Preferably, described accessory power supply is large bulk capacitance.
Operation principle and effect of the present invention are as follows:
During normal condition, have a power failure once meet with lighting circuit, power failure detection circuit can communicate information to system meters control unit in time, redundant electrical power is assigned electric discharge instruction by discharging management circuit by measurement control unit, each subscriber terminal unit is controlled by on-off controller by redundant electrical power, guarantee that system is properly functioning, inform the low-power consumption mode after building data acquisition unit and on-off controller entrance power down simultaneously; When lighting circuit recovers, after measurement control unit receives detection information, by charge management circuit, redundant electrical power is carried out electricity and supplement.
When meet with region have a power failure and redundant electrical power exhausts or cause due to artificial damage power-off time, on-off controller is according to, after the power failure detection circuit acquisition information of self, starting accessory power supply at once and run system, simultaneously automatically into low-power consumption mode.
By technique scheme, the present invention can effectively realize dual power-off protection. During guaranteeing heating in the winter time, the heating demand of user is not affected because of power failure, and prevents for return pipe net because electrodynamic valve power failure closedown causes pipe network freezing, it is to avoid cause damage to user and heat supply company.
Accompanying drawing explanation
Fig. 1 is make-and-break time area method heat metering system structure chart.
Fig. 2 is heat measuring system operating diagram.
Wherein 1 building total heat scale, 2nd floors sharing devices, 3rd floors data acquisition units, 4 on-off controllers, 5 on-off control valve, 6 flow control valves, 7 room thermostats, 8 inflow temperature sensors, 9 return water temperature sensors, 10 radiators, 11 redundant electrical powers, 12 accessory power supplys, 31,51 power failure detection circuit, 32,52 charge management circuit, 33,53 discharging management circuits, 54 low power consumpting controling circuits.
Detailed description of the invention
For being further appreciated by present invention, it is further described in conjunction with the drawings and the specific embodiments.
As shown in Figure 1, a kind of make-and-break time area-method power-supply metering system, including the measurement control unit being made up of building total heat scale 1, building sharing device 2, building data acquisition unit 3, on-off controller 4 and the subscriber terminal unit being made up of on-off control valve 5, flow control valve 6, room thermostat 7, inflow temperature sensor 8, return water temperature sensor 9, radiator 10, measurement control unit also includes a redundant electrical power 11; Building data acquisition unit 3 also includes power failure detection circuit 31, charge management circuit 32 and discharging management circuit 33, power failure detection circuit 31 is connected with lighting circuit, charge management circuit 32 is connected with lighting circuit and redundant electrical power 11 respectively, and discharging management circuit 33 is connected with on-off controller 5 with redundant electrical power 11 respectively.
The external accessory power supply 12 of on-off controller 5, accessory power supply 12 can adopt large bulk capacitance.
On-off controller 5 also includes power failure detection circuit 51, charge management circuit 52 and discharging management circuit 53, power failure detection circuit 51 is connected with power input, charge management circuit 52 is connected with power input and accessory power supply 12 respectively, and discharging management circuit 53 is connected with accessory power supply 12 and on-off control valve 5.
Building data acquisition unit 3 and on-off controller 5 are equipped with low power consumpting controling circuit 54.
During working state of system, have a power failure once meet with lighting circuit, power failure detection circuit 31 can communicate information to the measurement control unit of system in time, redundant electrical power is assigned electric discharge instruction by discharging management circuit 33 by measurement control unit, on-off control valve 5 is opened by on-off controller 4 by redundant electrical power 11, guaranteeing that system is properly functioning, building data acquisition unit 3 and on-off controller 4 start low-power consumption mode simultaneously, it is ensured that user heating needs.
When lighting circuit recovers, measurement control unit can control charge management circuit 32 and redundant electrical power 11 is charged.
When meet with region have a power failure and redundant electrical power exhausts or cause due to artificial damage power-off time, on-off controller 5 is according to after the power failure detection circuit 51 acquisition information of self, start accessory power supply 12 at once and run system, and open on-off control valve 5, simultaneously automatically into low-power consumption mode, it is ensured that the heating of user's outage needs.
External power source recovers after normally, and on-off controller 5 can control charge management circuit 52 and accessory power supply 12 is charged.
In sum, these are only presently preferred embodiments of the present invention, the scope of the present invention should do not limited with this. Namely every simple equivalence made according to claims of the present invention and description changes and modifies, and all should still remain within the scope of the patent.
Claims (2)
1. a make-and-break time area-method power-supply metering system, including
By building total heat scale, building sharing device, building data acquisition unit, on-off controller
The measurement control unit formed and the subscriber terminal unit being made up of on-off control valve, flow control valve, room thermostat, inflow temperature sensor, return water temperature sensor, radiator,
It is characterized in that: described measurement control unit also includes a redundant electrical power; Described building data acquisition unit also includes power failure detection circuit, charge management circuit and discharging management circuit, described power failure detection circuit is connected with lighting circuit to detect the electric power thus supplied of lighting circuit, described charge management circuit is connected with lighting circuit and redundant electrical power respectively, described discharging management circuit is connected with on-off controller with redundant electrical power respectively makes redundant electrical power discharge when lighting circuit has a power failure, the external accessory power supply of described on-off controller; Described power failure detection circuit is connected with power input port, described charge management circuit is connected with lighting circuit and accessory power supply respectively, described discharging management circuit is connected with accessory power supply makes accessory power supply discharge when redundant electrical power exhausts, described accessory power supply is large bulk capacitance, and described on-off controller is provided with low power consumpting controling circuit.
2. make-and-break time area-method power-supply metering system as claimed in claim 1, its feature also includes: described building data acquisition unit is provided with low power consumpting controling circuit.
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| CN201310246372.8A CN103292384B (en) | 2013-06-19 | 2013-06-19 | Make-and-break time area-method power-supply metering system |
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| CN201310246372.8A CN103292384B (en) | 2013-06-19 | 2013-06-19 | Make-and-break time area-method power-supply metering system |
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| CN103292384A CN103292384A (en) | 2013-09-11 |
| CN103292384B true CN103292384B (en) | 2016-06-08 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103557556B (en) * | 2013-11-12 | 2015-10-07 | 洪莲 | The heat sharing method and system of the central heating system under a kind of switching regulate mode |
| CN104534557B (en) * | 2014-12-12 | 2017-08-22 | 吉林市宏远仪表有限责任公司 | A kind of make-and-break time area method heat metering system |
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| US5556027A (en) * | 1994-04-05 | 1996-09-17 | Fiedrich; Joachim | Hydronic heating outdoor temperature reset supply water temperature control system |
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| CN101949468A (en) * | 2010-09-21 | 2011-01-19 | 余姚市心雨洁具有限公司 | Low-power consumption infrared-sensing water faucet controller |
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| CN201378750Y (en) * | 2009-03-20 | 2010-01-06 | 威胜集团有限公司 | Standby power supply device for electronic electric energy meter |
| TWM398119U (en) * | 2010-05-20 | 2011-02-11 | Acbel Polytech Inc | Miniaturized digital electric meter |
| CN101907655A (en) * | 2010-07-07 | 2010-12-08 | 江苏斯菲尔电气股份有限公司 | Electric energy metering instrument for multi-power supply system |
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| US5556027A (en) * | 1994-04-05 | 1996-09-17 | Fiedrich; Joachim | Hydronic heating outdoor temperature reset supply water temperature control system |
| CN1815146A (en) * | 2005-02-05 | 2006-08-09 | 上海自来水市北科技有限公司 | Wireless long-distance meter-reading system |
| CN101949468A (en) * | 2010-09-21 | 2011-01-19 | 余姚市心雨洁具有限公司 | Low-power consumption infrared-sensing water faucet controller |
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| 基于通断时间面积法的热分摊技术的工程应用;齐承英等;《暖通空调》;暖通空调杂志社;20121031;第1卷(第5期);第73-76页 * |
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Effective date of registration: 20190220 Address after: 689 Jiefang Road, Diankou Industrial Zone, Zhuji County, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG DUNAN INTELLIGENT CONTROL TECHNOLOGY CO., LTD. Address before: 311814 Huxi Village, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Zhejiang Dun'an Automatic Control Technology Co., Ltd. |
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Effective date of registration: 20190905 Address after: 311814 Huxi Village, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Dun'an Automatic Control Technology Co., Ltd. Address before: 689 Jiefang Road, Diankou Industrial Zone, Zhuji County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG DUNAN INTELLIGENT CONTROL TECHNOLOGY CO., LTD. |
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