CN103267594B - Heat metering heat allocating method and device - Google Patents

Heat metering heat allocating method and device Download PDF

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Publication number
CN103267594B
CN103267594B CN201310209567.5A CN201310209567A CN103267594B CN 103267594 B CN103267594 B CN 103267594B CN 201310209567 A CN201310209567 A CN 201310209567A CN 103267594 B CN103267594 B CN 103267594B
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China
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temperature
heat
water temperature
supply
heating
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CN201310209567.5A
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CN103267594A (en
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孔祥智
马亮
王少驰
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BEIJING SHENGSHI BOYANG ENERGY CONSULTATION SERVICE Co Ltd
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BEIJING SHENGSHI BOYANG ENERGY CONSULTATION SERVICE Co Ltd
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Abstract

The invention provides a heat metering heat allocating method and device. The heat metering heat allocating method includes the steps of conducting real-time modification on an opening time ratio of an on-off valve in each allocating period through a built-in correcting algorithm and then conducting real-time allocation, modification and accumulation on building heat in the allocating period. According to the heat metering heat allocating device, a room temperature signal end of a room temperature controller is communicated with a room temperature signal end of an on-off controller, a comprehensive signal end of the on-off controller is communicated with a comprehensive signal end of a collecting calculator, an outdoor temperature signal end of an outdoor temperature sensor is communicated with an outdoor temperature signal end of the collecting calculator, and a signal output end of a thermal meter is communicated with a thermal meter signal input end of the collecting calculator. Modification is conducted on allocated heat of users through collection of supply water temperatures and return water temperatures of the users and outdoor temperatures, meanwhile, modification is conducted on the heat dissipation area of each user through collection of indoor temperatures, the supply water temperatures, the return water temperatures and the outdoor temperatures, and therefore accuracy and reasonability of heat allocation are improved.

Description

A kind of heat metering heat sharing method and device
Technical field
The present invention relates to a kind of heat metering heat sharing method and device, belong to heat metering methodology and device technique field.
Background technology
What require energy-conserving and environment-protective along with country improves constantly, and building energy conservation and heat metering work deepen continuously.Various metering method and the device matched with it are also constantly emerging in large numbers, and areas different at home obtains certain application.Heat metering method main at present has five kinds, is family hotlist method, heat distribution meter method, make-and-break time area-method, stream warm therapy, temperature method respectively.Various method all has himself feature, advantage and deficiency.
Family hotlist method is applicable to the heating system of family one ring, measurement be each user use actual heat, be easy to be easily absorbed on a cognitive level by the user and accept.But because heating system is an entirety, between family and family, outwardness the phenomenon of heat transfer mutually, simultaneously because the particular location of different user in whole buildings is different, there is larger difference with heat in what make user's reality of same temperature, can not realize the hot expenses such as equitemperature.Larger difficulty is caused to charge.
At present, the calorimeter main Types of domestic use has mechanical heat meter, electromagnetic type calorimeter and ultrasonic calorimeter etc.Mechanical heat meter initial cost is lower, but measuring accuracy is not high, the comparatively large easily blocking of resistance, higher to the requirement of water quality.The measuring accuracy of electromagnetic type calorimeter, ultrasonic calorimeter is high, resistance is less, not easily block, but initial outlay is higher.
Heat distributes meter method and stream warm therapy is mainly applicable to single-main distribution, also be this physical quantity of heat measured in principle, thus be also difficult to the phenomenon avoiding housing heat-transfer and the user same temperature user reality thermal difference that particular location difference causes in whole buildings larger, can not the hot expenses such as equitemperature be realized.
Temperature method is applicable to various different heating system, can realize the hot expenses such as equitemperature in theory, is easy to be easily absorbed on a cognitive level by the user and accept.But cause increase with heat owing to objectively there is user's ventilation of windowing, and actual computation heat take and understood phenomenon on the low side.Cause the unreasonable of charging.
Make-and-break time area-method is a kind of user's heat sharing metering method provided in Ministry of Construction's execution in 1 day July in 2009 " heat metering technical regulation " JCJ173-2009.The method be when adopting break-make control model the service time of each household and the actual heating area of each household for using heat according to what share whole solitary building.Therefore, this kind of method only need record the service time of each household, does not need measuring flow.
But, in practical engineering application, above-mentionedly control room temperature based on break-make, and adopt make-and-break time area-method to carry out the method for heat sharing, also there are some obvious problems, fail to accomplish truly share fair and reasonable.These problems mainly comprise: 1, heating system hydraulic misadjustment or indoor heating system block the user's room temperature causing flow less than normal and share heat more not and.2, the excessive or user of heating radiator initial designs privately increases heating radiator and room temperature can be caused high and share heat less.3, for the heating system carrying out regulable control by break-make heat supply mode, belong to the pattern of intermitting heating, the flow of each user is dynamic change, therefore will inevitably occur the phenomenon of hydraulic misadjustment, thus causes heat sharing can not be completely fair and reasonable.
Summary of the invention
The heat sharing that the object of the invention is to exist to solve above-mentioned prior art can not complete fair and reasonable problem, and then provides a kind of heat metering heat sharing method and device.
The object of the invention is to be achieved through the following technical solutions:
A kind of heat metering heat sharing method, by measuring the supply and return water temperature of user, indoor temperature and outdoor temperature, calculates the radiator area correction factor at each family.And by measuring supply and return water temperature and the outdoor temperature of user in real time, calculate the temperature correction coefficient at each family, by built-in correction algorithm, the opening time ratio that on-off valve is shared in the cycle at each is revised in real time, and then the building heat shared in the cycle is shared in real time revise and accumulate.Finally determine the hot expense of each user.Normal operation method of rebuilding is programmed to: gather the supply and return water temperature at each family, indoor temperature and outdoor temperature; Share the supply and return water temperature and outdoor temperature that gather each family on-off valve in the cycle is opened when each and calculate area of dissipation correction factor, by formula (2) accounting temperature correction factor, according to formula according to formula (1)
(3) what calculate user shares heat.
Revisedly share formula
Wherein: t ndesign indoor temperature for heating; t wheating outdoor calculate temperature; t gheating Design supply water temperature; t hheating Design return water temperature; t nsindoor actual temperature; t gsheating actual temperature of supply water; t hsheating actual temperature of return water; The characteristic coefficient of b heating radiator; The actual opening time ratio of ε; temperature correction coefficient; area modificatory coefficient; F user's heating area; Q user shares heat; A Q building heat consumption.This formula can solve that radiator area increases, system hydraulic misadjustment or indoor heating system blocking, housing heat-transfer, the equal reason of room location cause shares error, thus the fairness problem that solution is shared.
A kind of heat metering heat sharing device, comprise: on-off controller, room thermostat, gather counter, outdoor temperature sensor, hotlist, on-off valve, supply water temperature sensor and return water temperature sensor, described on-off valve and supply water temperature sensor are all arranged on supply channel, return water temperature sensor setting is on water return pipeline, the make-and-break signal end of on-off valve is connected with the make-and-break signal end of on-off controller, the supply water temperature signal end of supply water temperature sensor is connected with the supply water temperature signal end of on-off controller, the return water temperature signal end of return water temperature sensor is connected with the return water temperature signal end of on-off controller, the room-temperature signal end of room thermostat is connected with the room-temperature signal end of on-off controller, the integrated signal end of on-off controller is connected with the integrated signal end gathering counter, the outdoor temperature signal end of outdoor temperature sensor is connected with the outdoor temperature signal end gathering counter, the signal output part of hotlist is connected with the hotlist signal input part gathering counter.
The present invention by gathering the supply water temperature of user, the temperature of return water temperature and outdoor shares heat correction to user, revised by the indoor temperature that gathers and supply and return water temperature and the radiator heat-dissipation area of outdoor temperature to each family simultaneously, thus improve heat sharing accurately and rationality.Make the metering at each family heat expense more fair and reasonable, make user more be easy to accept.Favourable condition is created for further promoting the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of heat metering heat sharing device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented under premised on technical solution of the present invention, gives detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
A kind of heat metering heat sharing method involved by the present embodiment, by measuring the supply and return water temperature of user, indoor temperature and outdoor temperature, calculates the radiator area correction factor at each family.And by measuring supply and return water temperature and the outdoor temperature of user in real time, calculate the temperature correction coefficient at each family, by built-in correction algorithm, the opening time ratio that on-off valve is shared in the cycle at each is revised in real time, and then the building heat shared in the cycle is shared in real time revise and accumulate.Finally determine the hot expense of each user.Normal operation method of rebuilding is programmed to: gather the supply and return water temperature at each family, indoor temperature and outdoor temperature; Share the supply and return water temperature and outdoor temperature that gather each family on-off valve in the cycle is opened when each and calculate area of dissipation correction factor according to formula (1), by formula (2) accounting temperature correction factor, according to formula (3) calculate user share heat.
Revisedly share formula
Wherein: t ndesign indoor temperature for heating; t wheating outdoor calculate temperature; t gheating Design supply water temperature; t hheating Design return water temperature; t nsindoor actual temperature; t gsheating actual temperature of supply water; t hsheating actual temperature of return water; The characteristic coefficient of b heating radiator; The actual opening time ratio of ε; temperature correction coefficient; area modificatory coefficient; F user's heating area; Q user shares heat; A Q building heat consumption.This formula can solve that radiator area increases, system hydraulic misadjustment or indoor heating system blocking, housing heat-transfer, the equal reason of room location cause shares error, thus the fairness problem that solution is shared.
As shown in Figure 1, a kind of heat metering heat sharing device, comprise: on-off controller 1, room thermostat 2, gather counter 3, outdoor temperature sensor 4, hotlist 5, on-off valve 6, supply water temperature sensor 7 and return water temperature sensor 8, described on-off valve 6 and supply water temperature sensor 7 are all arranged on supply channel 9, return water temperature sensor 8 is arranged on water return pipeline 10, the make-and-break signal end of on-off valve 6 is connected with the make-and-break signal end of on-off controller 1, the supply water temperature signal end of supply water temperature sensor 7 is connected with the supply water temperature signal end of on-off controller 1, the return water temperature signal end of return water temperature sensor 8 is connected with the return water temperature signal end of on-off controller 1, the room-temperature signal end of room thermostat 2 is connected with the room-temperature signal end of on-off controller 1, the integrated signal end of on-off controller 1 is connected with the integrated signal end gathering counter 3, the outdoor temperature signal end of outdoor temperature sensor 4 is connected with the outdoor temperature signal end gathering counter 3, the signal output part of hotlist 5 is connected with the hotlist signal input part gathering counter 3.
Described collection counter 3 is provided with the antenna 11 for Signal reception and transmission.
Described supply water temperature sensor 7, return water temperature sensor 8, room thermostat 2 and on-off valve 6 they and on-off controller 1 are wired connection.
Described supply water temperature sensor 7, return water temperature sensor 8, room thermostat 2 and on-off valve 6 they and on-off controller 1 are wireless connections.
Described on-off controller 1 is wired connection with gathering counter 3.
Described on-off controller 1 is wireless connections with gathering counter 3.
The model of described room thermostat 2 is RS485.
Heating Design supply and return water temperature, outdoor calculate temperature are determined according to local heat supply design operating mode.
The present invention can effectively solve Problems existing in make-and-break time area-method.
1. when indoor heating system design is unreasonable, or user changes radiator rating or type privately, actual radiator can be caused to configure and do not mate with design heating load.If still carry out heat sharing with original formula of sharing, can cause radiator area exceed those user's reality heats of designing requirement large, share the few unjust phenomenon of few, the actual payment of heat.The present invention can calculate the actual radiator area coefficient of user by the supply and return water temperature of actual measurement and room temperature, thus revise that radiator area change causes share heat error, it is more reasonable to make to share.
2., when hydraulic misadjustment or blocking appear in heating system, the too small user of flow can cause supply backwater temperature difference bigger than normal, and the valve opening same time, it was few compared with other users under the same terms with heat.Now as still with original share formula carry out user's reality heat that heat sharing can cause these flows little few, share unjust phenomenon more than many, the actual payments of heat.The present invention by actual measurement supply and return water temperature and outdoor temperature utilize built-in correction shell script to calculate the temperature correction coefficient of each user, thus revise cause due to hydraulic misadjustment share heat error, make to share heat more science.
3. original heating system is that basis based on continuous heat supply is designed, and the heating system using make-and-break time area-method to carry out heat metering adopts due to its temperature control is break-make mode, customer flow must be caused to occur that step change type changes, hydraulic misadjustment will inevitably be caused, the present invention can calculate the temperature correction coefficient of user by the supply and return water temperature of actual measurement and outdoor temperature, thus revise cause due to hydraulic misadjustment share heat error, make to share heat more science.
4. the present invention possesses the function by the closedown of host computer remote control user valve opening and setting user temperature, therefore can reach the effect user not paying Re Fei or application stopping heat supply being stopped to heat supply.When thermal source breaks down or occur that extremely severe cold weather cannot meet the demand of user, long-rangely can turn down the design temperature upper limit of near-end user, ensure the primary demand of heat supply network far-end disadvantageous inhabitant.
5. user according to the individual needs of oneself, can adjust indoor design temperature by room thermostat; According to oneself habits and customs and daily life rule, preset the control temperature of Different periods in a day, realize energy-saving and cost-reducing, save the object of heat cost.
Room thermostat is arranged on the firmly indoor exemplary position needing to control, and on-off controller and on-off valve are arranged on registering one's residence on pipeline of user.When unmanned in user family or when need turn down room temperature, the design temperature of room thermostat can be turned down, now the actual room temperature recorded and setting value at room temperature compare by room thermostat, if room temperature reaches setting value, room thermostat gets an electric shock and disconnects (or closed), sends signal by room temperature control circuit to microprocessor, microprocessor will export control signal, by on-off valve control circuit, on-off control valve is closed, stops heat supply, stop accumulating turn-on time simultaneously:
If room temperature is lower than setting value, the room thermostat closing of contact (or disconnection), sent for thermal signal to microprocessor by room temperature control circuit, microprocessor will export control signal.By on-off valve control circuit, on-off control valve is opened, start heat supply, start to accumulate turn-on time simultaneously, and carry out certain correction according to the supply and return water temperature measured and outdoor temperature by corrected Calculation program, and display correction opens ratio in real time, until reach design temperature, on-off valve is closed voluntarily again.Generally, in user family, design temperature can be turned down by nobody, and now the opening time of on-off valve will shorten, and can realize economize energy, save the object of heat expense.When the design temperature having people Shi Ke by room thermostat in user family is heightened, now room thermostat controls the Heating State of this user with new design temperature, make the room temperature of this user be in the positive and negative deviation 0.5 degree of design temperature scope in, meet the heat demand of user, realize heating according to need.This device possesses programmable functions simultaneously, user can set corresponding temperature by the different time periods according to the rule of life of self and actual needs every day, such as temperature is set as 16 degree by the work hours by day, get home every night 7 and can will be set to room temperature 18 degree when 7, now room thermostat will control the temperature of room Different periods automatically, reaches energy-conservation object.
The above; be only the present invention's preferably embodiment; these embodiments are all based on the different implementations under general idea of the present invention; and protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.

Claims (7)

1. a heat metering heat sharing method, is characterized in that, by measuring the supply and return water temperature of user, indoor temperature and outdoor temperature, calculates the radiator area correction factor at each family; And by measuring supply and return water temperature and the outdoor temperature of user in real time, calculate the temperature correction coefficient at each family, by built-in correction algorithm, the opening time ratio that on-off valve is shared in the cycle at each is revised in real time, and then the building heat shared in the cycle shared in real time revise and accumulate, finally determine the hot expense of each user; Normal operation method of rebuilding is programmed to: gather the supply and return water temperature at each family, indoor temperature and outdoor temperature; Share the supply and return water temperature and outdoor temperature that gather each family on-off valve in the cycle is opened when each and calculate area of dissipation correction factor according to formula (1), by formula (2) accounting temperature correction factor, according to formula (3) calculate user share heat;
Revisedly share formula
Wherein: t ndesign indoor temperature for heating; t wheating outdoor calculate temperature; t gheating Design supply water temperature; t hheating Design return water temperature; t nsindoor actual temperature; t gsheating actual temperature of supply water; t hsheating actual temperature of return water; The characteristic coefficient of b heating radiator; The actual opening time ratio of ε; temperature correction coefficient; area modificatory coefficient; F user's heating area; Q user shares heat; A Q building heat consumption.
2. a heat metering heat sharing device, it is characterized in that, comprise: on-off controller (1), room thermostat (2), gather counter (3), outdoor temperature sensor (4), hotlist (5), on-off valve (6), supply water temperature sensor (7) and return water temperature sensor (8), described on-off valve (6) and supply water temperature sensor (7) are all arranged on supply channel (9), return water temperature sensor (8) is arranged on water return pipeline (10), the make-and-break signal end of on-off valve (6) is connected with the make-and-break signal end of on-off controller (1), the supply water temperature signal end of supply water temperature sensor (7) is connected with the supply water temperature signal end of on-off controller (1), the return water temperature signal end of return water temperature sensor (8) is connected with the return water temperature signal end of on-off controller (1), the room-temperature signal end of room thermostat (2) is connected with the room-temperature signal end of on-off controller (1), the integrated signal end of on-off controller (1) is connected with the integrated signal end gathering counter (3), the outdoor temperature signal end of outdoor temperature sensor (4) is connected with the outdoor temperature signal end gathering counter (3), the signal output part of hotlist (5) is connected with the hotlist signal input part gathering counter (3),
This sharing device adopts following heat metering heat sharing method, by measuring the supply and return water temperature of user, indoor temperature and outdoor temperature, calculates the radiator area correction factor at each family; And by measuring supply and return water temperature and the outdoor temperature of user in real time, calculate the temperature correction coefficient at each family, by built-in correction algorithm, the opening time ratio that on-off valve is shared in the cycle at each is revised in real time, and then the building heat shared in the cycle shared in real time revise and accumulate, finally determine the hot expense of each user; Normal operation method of rebuilding is programmed to: gather the supply and return water temperature at each family, indoor temperature and outdoor temperature; Share the supply and return water temperature and outdoor temperature that gather each family on-off valve in the cycle is opened when each and calculate area of dissipation correction factor according to formula (1), by formula (2) accounting temperature correction factor, according to formula (3) calculate user share heat;
Revisedly share formula
Wherein: t ndesign indoor temperature for heating; t wheating outdoor calculate temperature; t gheating Design supply water temperature; t hheating Design return water temperature; t nsindoor actual temperature; t gsheating actual temperature of supply water; t hsheating actual temperature of return water; The characteristic coefficient of b heating radiator; The actual opening time ratio of ε; temperature correction coefficient; area modificatory coefficient; F user's heating area; Q user shares heat; A Q building heat consumption.
3. heat metering heat sharing device according to claim 2, it is characterized in that, described supply water temperature sensor (7), return water temperature sensor (8), room thermostat (2) and on-off valve (6) they and on-off controller (1) are wired connection.
4. heat metering heat sharing device according to claim 2, it is characterized in that, described supply water temperature sensor (7), return water temperature sensor (8), room thermostat (2) and on-off valve (6) they and on-off controller (1) are wireless connections.
5. heat metering heat sharing device according to claim 2, is characterized in that, described on-off controller (1) is wired connection with gathering counter (3).
6. heat metering heat sharing device according to claim 2, is characterized in that, described on-off controller (1) is wireless connections with gathering counter (3).
7. heat metering heat sharing device according to claim 2, is characterized in that, the model of described room thermostat (2) is RS485.
CN201310209567.5A 2013-05-30 2013-05-30 Heat metering heat allocating method and device Expired - Fee Related CN103267594B (en)

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CN103592057B (en) * 2013-10-09 2015-08-19 河北大学 The measurement mechanism of heating system heat dissipation capacity and measuring method
CN104613596A (en) * 2015-01-08 2015-05-13 黄文辉 Central air-conditioning household metering method and system
CN106196270A (en) * 2016-08-25 2016-12-07 工大科雅(天津)能源科技有限公司 A kind of heating tube Ore-controlling Role with on-off control valve
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