Method, device and system for determining heat supply energy saving amount
阅读说明：本技术 一种供热节能量的确定方法、装置及系统 (Method, device and system for determining heat supply energy saving amount ) 是由 戴斌文 邓宇春 李艳杰 于 2019-11-01 设计创作，主要内容包括：本发明实施例提供了一种供热节能量的确定方法、装置及系统,该方法首先获取供热系统中m个监测点,在预设周期内的n个时刻的室温测量值；然后,基于所述m个监测点在n个时刻的室温测量值,确定出每个所述监测点在n个时刻的室温平均值以及m个监测点在n个时刻的时空室温平均值。之后,基于m个所述室温平均值以及预设标准差公式,确定出时空标准差。并基于所述时空室温平均值以及所述时空标准差,确定出所述供热节能量。可见本方案采用供热节能量进行能量调控,既能满足供热需求的同时节约供热能量。(The embodiment of the invention provides a method, a device and a system for determining heat supply energy saving amount, wherein the method comprises the steps of firstly obtaining room temperature measured values of m monitoring points in a heat supply system at n moments in a preset period; then, based on the room temperature measurement values of the m monitoring points at n moments, the room temperature average value of each monitoring point at n moments and the space-time room temperature average value of the m monitoring points at n moments are determined. And then, determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula. And determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation. According to the scheme, the energy is saved in heat supply for energy regulation, and the heat supply energy is saved while the heat supply requirement is met.)
1. A method for determining an energy saving amount for heating, comprising:
the method comprises the steps of obtaining room temperature measured values of m monitoring points in a heating system at n moments in a preset period;
based on the room temperature measurement values of the m monitoring points at n moments, determining the room temperature average value of each monitoring point at n moments and the space-time room temperature average value of the m monitoring points at n moments;
determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula;
and determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation.
2. The method for determining heat supply energy saving according to claim 1, wherein the determining the average value of the room temperature of each monitoring point at n moments and the average value of the space-time room temperature of m monitoring points at n moments based on the room temperature measurements of the m monitoring points at n moments comprises:
according to the formula
according to the formula
3. The method for determining heat supply energy saving according to claim 2, wherein the determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula comprises:
according to the formula
4. the method for determining heat supply energy saving according to claim 1, wherein the determining the heat supply energy saving based on the space-time room temperature average value and the space-time standard deviation comprises:
determining the probability of the room temperature distribution in the space-time room temperature mean value +/-1 space-time standard deviation based on the 3 sigma Lauda criterion;
and determining the heat supply energy saving amount based on the space-time room temperature average value and the probability.
5. The method for determining heat supply energy saving according to claim 4, wherein the determining the heat supply energy saving based on the space-time room temperature average value and the probability comprises:
according to the formula
6. An apparatus for determining a saving amount of heat supply, comprising:
the acquisition module is used for acquiring room temperature measured values of m monitoring points in the heating system at n moments in a preset period;
the first determining module is used for determining the room temperature average value of each monitoring point at n moments and the space-time room temperature average value of the m monitoring points at n moments based on the room temperature measurement values of the m monitoring points at n moments;
the second determination module is used for determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula;
and the third determining module is used for determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation.
7. The apparatus for determining an energy savings rate for heating of claim 6, wherein the first determining means comprises:
a first determination unit for determining the formula
a second determination unit for determining the formulaAnd determining the space-time room temperature average value of the m monitoring points at n moments, wherein,
8. The apparatus for determining heat supply saving energy according to claim 6, wherein the second determination unit includes:
a first determining subunit for determining according to the formula
9. the apparatus for determining an energy savings rate for heating of claim 6, wherein the third determining means comprises:
a third determining unit, configured to determine, based on a 3 σ laida criterion, a probability that the room temperature distribution is within ± 1 space-time standard deviation of the space-time room temperature mean;
a fourth determining unit, configured to determine the heat supply energy saving amount based on the space-time room temperature average value and the probability;
the fourth determination unit includes:
a second determining subunit for determining according to the formula
10. A system for determining heat-saving energy, characterized in that it comprises a device for determining heat-saving energy according to any one of claims 6-9.
Technical Field
The invention relates to the technical field of heat supply system evaluation, in particular to a method, a device and a system for determining heat supply energy saving.
Background
Generally, a heating system needs to acquire the room temperature of a user, evaluate the heating effect of the heating system according to the obtained average value of the room temperature, and adjust the heating output of the heating system according to the heating effect.
With the increasing development of energy resources, how to provide a method for determining heat supply energy saving can meet the heat supply requirement and save heat supply energy at the same time, and is a great technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a method for determining heat supply energy saving, which can save heat supply energy while meeting heat supply requirements.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
a method of determining energy savings from heating, comprising:
the method comprises the steps of obtaining room temperature measured values of m monitoring points in a heating system at n moments in a preset period;
based on the room temperature measurement values of the m monitoring points at n moments, determining the room temperature average value of each monitoring point at n moments and the space-time room temperature average value of the m monitoring points at n moments;
determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula;
and determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation.
Optionally, the determining, based on the room temperature measurement values of the m monitoring points at n times, a room temperature average value of each monitoring point at n times and a space-time room temperature average value of the m monitoring points at n times includes:
according to the formula
according to the formula
Optionally, the determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula includes:
according to the formula
optionally, the determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation includes:
determining the probability of the room temperature distribution in the space-time room temperature mean value +/-1 space-time standard deviation based on the 3 sigma Lauda criterion;
and determining the heat supply energy saving amount based on the space-time room temperature average value and the probability.
Optionally, the determining the heat supply energy saving amount based on the space-time room temperature average value and the probability includes:
according to the formula
An apparatus for determining an energy saving amount for heating, comprising:
the acquisition module is used for acquiring room temperature measured values of m monitoring points in the heating system at n moments in a preset period;
the first determining module is used for determining the room temperature average value of each monitoring point at n moments and the space-time room temperature average value of the m monitoring points at n moments based on the room temperature measurement values of the m monitoring points at n moments;
the second determination module is used for determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula;
and the third determining module is used for determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation.
Optionally, the first determining module includes:
a first determination unit for determining the formula
a second determination unit for determining the formulaAnd determining the space-time room temperature average value of the m monitoring points at n moments, wherein,
Optionally, the second determining unit includes:
a first determining subunit for determining according to the formulaDetermining a spatio-temporal standard deviation, wherein σ is the spatio-temporal standard deviation,
optionally, the third determining module includes:
a third determining unit, configured to determine, based on a 3 σ laida criterion, a probability that the room temperature distribution is within ± 1 space-time standard deviation of the space-time room temperature mean;
a fourth determining unit, configured to determine the heat supply energy saving amount based on the space-time room temperature average value and the probability;
the fourth determination unit includes:
a second determining subunit for determining according to the formula
A system for determining heat supply energy saving amount comprises any one of the above devices for determining heat supply energy saving amount.
Based on the technical scheme, the embodiment of the invention provides a method, a device and a system for determining heat supply energy saving amount, wherein the method comprises the steps of firstly obtaining room temperature measured values of m monitoring points in a heat supply system at n moments in a preset period; then, based on the room temperature measurement values of the m monitoring points at n moments, the room temperature average value of each monitoring point at n moments and the space-time room temperature average value of the m monitoring points at n moments are determined. And then, determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula. And determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation. According to the scheme, the energy is saved in heat supply for energy regulation, and the heat supply energy is saved while the heat supply requirement is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for determining heat energy saving according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method for determining heat energy saving according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of a method for determining heat energy saving according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart of a method for determining heat energy saving according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart of a method for determining heat energy saving according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a device for determining heat supply energy saving according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a device for determining heat supply energy saving according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a device for determining heat supply energy saving according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a device for determining heat supply energy saving according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a device for determining thermal energy saving according to an embodiment of the present invention.
Detailed Description
Referring to fig. 1, fig. 1 is a method for determining heat supply energy saving according to an embodiment of the present invention, including the steps of:
s11, room temperature measured values of m monitoring points in the heating system at n moments in a preset period are obtained;
and S12, determining the average value of the room temperature of each monitoring point at n moments and the space-time room temperature of m monitoring points at n moments based on the room temperature measured values of the m monitoring points at n moments.
Specifically, this embodiment provides a specific implementation manner for determining the average value of the room temperature of each monitoring point at n times and the average value of the space-time room temperature of m monitoring points at n times based on the room temperature measurement values of m monitoring points at n times, as shown in fig. 2, including the steps of:
s21, according to the formula
Wherein the content of the first and second substances,
S22, according to the formula
Wherein the content of the first and second substances,
And S13, determining the space-time standard deviation based on the m room temperature average values and a preset standard deviation formula.
After the average room temperature is obtained, the average room temperature is substituted into a standard deviation formula to further obtain a space-time standard deviation, which can be specifically realized by the steps shown in fig. 3, and includes the following steps:
s31, according to the formula
Wherein, sigma is the space-time standard deviation,
and S14, determining the heating energy saving amount based on the space-time room temperature average value and the space-time standard deviation.
Specifically, as shown in fig. 4, the embodiment provides a specific implementation manner for determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation, and the implementation manner includes the following steps:
s41, determining the probability of the space-time room temperature average value +/-1 space-time standard deviation of the room temperature distribution based on the 3 sigma Lauda criterion;
that is, the probability that the overall room temperature distribution of the heating system is (μ - σ, μ + σ), (μ -2 σ, μ +2 σ), and (μ -3 σ, μ +3 σ) can be analytically determined according to the 3 σ Lauda criterion principle using the space-time room temperature mean value and the space-time standard deviation.
And S42, determining the heating energy saving amount based on the space-time room temperature average value and the probability.
The heat load formula of the heating system is Q ═ K multiplied by F × (t'n-t′w) Wherein, t'nIs designed to be room temperature, t'wTo design the outdoor temperature, K, F is the building maintenance structure heat transfer system and heat transfer area, respectively.
Therefore, for a given heating system, the heating system thermal load Q is only related to the indoor and outdoor temperature difference. When the indoor temperature is deviated from the designed room temperature in a certain period, the heating load change caused by the deviation is as follows:
therefore, when the space-time room temperature average value and the overall room temperature distribution probability are obtained, the heating load variation caused by different room temperature distribution intervals can be obtained through statistics according to the formula (1), and the load variation generated when the system deviates from the designed room temperature or the expected room temperature, namely the energy-saving potential of heating, is further obtained.
That is, as shown in fig. 5, the embodiment provides a specific implementation manner for determining the heating energy saving amount based on the space-time room temperature average value and the probability, and includes the steps of:
s51, according to the formula
According to the scheme, the energy is saved in heat supply for energy regulation, and the heat supply energy is saved while the heat supply requirement is met.
On the basis of the above embodiment, as shown in fig. 6, an embodiment of the present invention provides a device for determining a heating energy saving amount, including:
the acquiring
the first determining
a second determining
a third determining
As shown in fig. 7, the first determining
a
a
In addition, in the apparatus for determining heat supply energy saving according to the embodiment of the present invention, as shown in fig. 8, the second determining
a first determining subunit 81 for determining the formula
on the basis of the foregoing embodiment, as shown in fig. 9, in the device for determining heat supply energy saving provided by this embodiment, the third determining
a third determining
a fourth determining
as shown in fig. 10, the fourth determining
a second determining
The working principle of the device is described in the above embodiments of the method, and will not be described repeatedly.
Besides, the embodiment of the invention also provides a system for determining the heat supply energy saving amount, which comprises any one of the above devices for determining the heat supply energy saving amount.
In summary, the embodiment of the present invention provides a method, an apparatus, and a system for determining heat supply energy saving amount, where the method first obtains room temperature measured values of m monitoring points in a heat supply system at n times within a preset period; then, based on the room temperature measurement values of the m monitoring points at n moments, the room temperature average value of each monitoring point at n moments and the space-time room temperature average value of the m monitoring points at n moments are determined. And then, determining a space-time standard deviation based on the m room temperature average values and a preset standard deviation formula. And determining the heat supply energy saving amount based on the space-time room temperature average value and the space-time standard deviation. According to the scheme, the energy is saved in heat supply for energy regulation, and the heat supply energy is saved while the heat supply requirement is met.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
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