CN115882608B - Energy-saving and carbon-reducing control system and method for electricity consumption of building engineering - Google Patents
Energy-saving and carbon-reducing control system and method for electricity consumption of building engineering Download PDFInfo
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Abstract
The invention provides a power consumption energy-saving and carbon-reducing control system and method for building engineering, and belongs to the technical field of power consumption management. The invention uses a field monitoring module arranged at a secondary distribution box of a construction field to collect all power parameter data of incoming lines and outgoing lines of the secondary distribution box, and transmits the data to a rear-end data processing platform for calculation processing through a data transmission module; the rear end data processing platform can effectively identify the state of the distribution box, and the distribution box and the electric equipment are subjected to scientific chemical distribution butt joint by combining a large amount of concrete parameter data obtained through experiments, so that effective energy utilization management and control are realized, electric energy waste is avoided, and meanwhile, the safety of building construction is guaranteed.
Description
Technical Field
The invention belongs to the technical field of electricity management, and particularly relates to an energy-saving and carbon-reducing control system and method for electricity consumption of a building engineering.
Background
The energy consumption of the building enterprises mainly lies in that in the construction production, the energy consumption of the site construction accounts for 20% of the total energy consumption of the whole life cycle of the building, and the electric energy consumption caused by the reasons of irregular electricity management in the present stage is up to 40%. The utility model discloses a need use a large amount of consumers and the block terminal that corresponds in the construction project, because current engineering electricity management relies on artificial subjective to control mostly, can't carry out real-time supervision to each block terminal service condition etc. therefore just also can't rationally adjust the butt joint of optimizing consumer and block terminal according to block terminal load situation, the condition such as the total load of block terminal is too high or even surpasses extremum, block terminal frequency of use is lower appears easily, not only has the potential safety hazard problem, but also can cause the extravagant problem of energy. Therefore, how to realize scientific and reasonable distribution butt joint between the distribution box and the electric equipment and how to strengthen intelligent energy consumption management and control of a construction site are important ways for realizing green construction, and based on the method, the invention designs an energy-saving and carbon-reduction control system and method for electricity consumption of a building engineering.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the energy-saving and carbon-reduction control system and method for electricity consumption in the building engineering, which can carry out scientific chemical distribution and butt joint on the distribution box and the electric equipment in the building engineering, avoid electric energy waste and realize energy saving and carbon reduction.
The present invention achieves the above technical object by the following technical means.
The energy-saving and carbon-reducing control method for electricity consumption of building engineering comprises the following steps:
step 1: the method comprises the steps that a field monitoring module is used for collecting all power parameter data of incoming lines and outgoing lines of a secondary distribution box, and the data are transmitted to a rear-end data processing platform through a data transmission module;
step 2: the rear-end data processing platform performs optimal distribution design of the secondary distribution box and optimal distribution butt joint of the distribution box and electric equipment:
step 2.1: calculating the maximum bearable capacity of the distribution box, the maximum power of a single day and the rated power of electric equipment connected with each outlet line in the distribution box;
step 2.2: according to the result of the step 2.1, calculating the use saturation mu of the distribution box k k Performing interval classification judgment on the distribution box based on the saturation value; wherein 0% < mu k When the power distribution box k is less than or equal to 20%, the power distribution box k falls in the area I; 20% < mu k When the percentage is less than or equal to 60%, the distribution box k falls in the zone II; 60% < mu k When the content is less than or equal to 80 percent, the preparation methodThe electric box k falls in the III area; 80% < mu k When the power distribution box k is less than or equal to 95%, the power distribution box k falls in the IV area; mu (mu) k At > 95%, block terminal k falls in zone v;
step 2.3: and (3) based on the interval classification judgment result in the step (2.2), regularly evaluating and adjusting the distribution box.
Further, the evaluation adjustment includes:
the distribution box k falls in the zone I, and the using frequency f of the distribution box k is further calculated k ：
f k More than or equal to 30 percent, classifying the distribution box k into an available area, and calculating the available margin of the distribution box k;
f k less than 30%, indicating that the distribution box k belongs to a distribution box with low total load and low use frequency, and further judging Y k Value based on Y k The value classifies the distribution box k into the available area or the area to be rectified, wherein Y k ＝max{Y minki }，Y minki ＝{min{Y k1 },min{Y k2 },……,min{Y ki },……min{Y kj }}，Y k The representation taking Y minki Maximum value of (2); y is Y minki Representing a set of minimum values of linear distances from each of i electric equipment connected in the distribution box k to x distribution boxes in an available area; y is Y k1 、Y k2 、Y ki 、Y kj And respectively representing the set of the linear distances from the electric equipment 1, the electric equipment 2, the electric equipment i and the electric equipment j connected in the distribution box k to the x distribution boxes in the available area.
Further, the Y k When the distance between the electric equipment and the other distribution boxes is more than 25m, the distribution box k is irrevocable, so that the electric equipment is classified into an available area, and the available margin is calculated; y is Y k And when the distance between the electric equipment and the distribution box is less than or equal to 25m, the distribution box k is classified into a region to be rectified, and all the connected electric equipment is integrated into the distribution box in the available region.
Further, the evaluation adjustment includes:
the distribution box k falls in the V region, and belongs to a distribution box with overhigh total load, and a part of load of the distribution box k is separated and put into other distribution boxes, so that the distribution box k is classified into a region to be rectified, and j electric equipment connected with the distribution box k is screened:
firstly, calculating the association factor of each electric equipment in the distribution box k:wherein omega ki Representing the relevant factor of the consumer i in the distribution box k, < >>Z kn Representing the sum of distances from j electric equipment in the distribution box k to the distribution box k, Z ki Representing the distance between the electric equipment i and the corresponding distribution box k, and 0.ltoreq.i.ltoreq.j,/->P kn Representing the power sum of j electric equipment in distribution box k, P ki Representing the power of the electric equipment i; and then selecting h electric equipment from j electric equipment connected with the electric equipment k to access the electric equipment in the available area.
Further, the h electric equipment selected from the j electric equipment connected with the distribution box k meets the following conditions: wherein omega kh And representing the correlation factor between the selected electric equipment and the distribution box k.
Further, the evaluation adjustment includes:
the distribution box k falls in the III region, and is classified into a stable region, and is temporarily not required to be adjusted;
the distribution box k falls in the zone II, the distribution box k is classified into an available zone, and an available margin is calculated;
the distribution box k falls in the IV area, and is a condition that the total load is high but the limit value of the distribution box is not exceeded, and the distribution box k is focused in the next adjustment period.
Further, constraint conditions according to which electric equipment connected with the distribution box in the area to be rectified is connected with the distribution box in the available area are as follows:
L su ≤25m；
wherein t represents the total number of electric equipment to be accessed in the current area to be rectified, w represents the total number of distribution boxes in the current available area, s represents a certain electric equipment in the current area to be rectified, and u represents a certain distribution box of the accessible electric equipment s in the available area; l (L) su Representing the actual distance of the consumer s from the distribution box u,L sn representing the sum of the actual distances of the electric equipment s from w distribution boxes in the available area, +.>Representing the sum of the reciprocal of the distances from t electric devices to be connected to the distribution box u, P u Indicating the power of the distribution box u +.>P un Representing the sum of the powers of t electric devices to be connected to the distribution box u, M u Indicating the maximum loadable power of the distribution box u.
Further, in the step 2.2, the calculation formula of the saturation of the distribution box is:wherein P is k Representing the single day maximum power, M, of the distribution box k k Indicating the maximum loadable capacity of the distribution box k.
Further, in the step 2.1, the single day maximum power of the distribution box k isWherein, eta takes the value of 1 to 1440 and #>Representing the average value of the power limit of the distribution box k in the eta minute;
the distribution box k acquires m power samples in the eta minuteWherein (1)>Sample value, n, representing the b-th power sample acquired by block terminal k in the eta minute k Representation->Middle valueNumber f of (f) k Indicating the frequency of use of the distribution box k.
The energy-saving and carbon-reducing control system for the construction engineering electricity consumption for realizing the control method for the energy-saving and carbon-reducing of the construction engineering electricity consumption comprises a field monitoring module, a data transmission module, a rear-end data processing platform and a man-machine interaction module; the on-site monitoring module is arranged at the secondary distribution box and is used for monitoring and processing each parameter of on-site electric equipment in real time; the data transmission module is used for butting the field monitoring module with the rear-end data processing platform through the Internet of things equipment; the rear-end data processing platform is used for carrying out processing operation according to the data acquired by the field monitoring module, and carrying out optimal distribution design of the secondary distribution box and optimal distribution butt joint of the distribution box and electric equipment; the man-machine interaction module is used for carrying out man-machine interaction.
The invention has the following beneficial effects:
the invention can effectively identify the state of the distribution box, then combine a large amount of specific parameter data obtained by experiments to carry out scientific chemical distribution and butt joint on the distribution box and the electric equipment at intervals, realize effective energy utilization management and control, avoid electric energy waste and ensure the safety of building construction.
Drawings
FIG. 1 is a flow chart of the electricity-using energy-saving and carbon-reducing control method.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments, but the scope of the invention is not limited thereto.
The invention relates to a power consumption energy-saving and carbon-reducing control system for construction engineering, which comprises a field monitoring module, a data transmission module, a rear-end data processing platform and a man-machine interaction module (software operation interface). The field monitoring module comprises an electric energy acquisition module, an equipment identification module, a data processing module and a field control module; the back-end data processing platform comprises a construction organization adjustment module, an energy consumption control module and an equipment alarm module.
The whole hardware module of the field monitoring module is arranged at the secondary distribution box and is used for carrying out real-time monitoring, processing and analysis on each parameter of the field electric equipment; the data transmission module transmits the data processed by the field monitoring module to the back-end data processing platform through the Internet of things equipment; the back-end data processing platform is used for processing operation and comprehensive control according to the received data; the man-machine interaction module is used for carrying out man-machine interaction so as to realize remote control.
The method for controlling the electricity consumption energy conservation and carbon reduction by using the electricity consumption energy conservation and carbon reduction control system for the building engineering is shown in fig. 1, and comprises the following steps:
step 1: the method comprises the steps that a field monitoring module is utilized to collect all power parameter data (including power consumption power, equipment current, equipment voltage and the like of electric equipment at each time) of incoming lines and outgoing lines of a secondary distribution box, and the data are transmitted to a rear-end data processing platform through a data transmission module;
step 2: the back-end data processing platform receives the data acquired in the step 1, counts multiple factors such as electricity consumption conditions and positions of electric equipment, and performs optimal distribution design of a secondary distribution box (hereinafter referred to as distribution box) and optimal distribution butt joint of the distribution box and the electric equipment so as to realize energy-saving control, and specifically comprises the following steps:
step 2.1: setting K distribution boxes in site, wherein the maximum bearable capacity of the distribution boxes K (K is more than 0 and less than or equal to K) is M k The single day maximum power of the distribution box k is P k ，(eta has a value of 1-1440, namely 1 day is divided into 1440 minutes),indicating the average value of the power limit of the distribution box k in the eta minute, e.g. +.>Representing the average value of the power limit of the distribution box k within 36 minutes at the 0 point of the day;
setting the distribution box k to collect m power samples in the eta minuteWherein (1)>Sample value, n, representing the b-th power sample acquired by block terminal k in the eta minute k Representation->Middle value->Number f of (f) k Indicating the frequency of use of the distribution box k;
the distribution box k has c paths of outgoing lines, so that the power of each electric equipment on site can correspond to oneValue of->And the rated power of electric equipment connected with a c-th line in the distribution box k is represented, and c is less than or equal to 10.
Step 2.2: calculation of the saturation μ of use of Block terminal k k ，Then based on mu k The value of the distribution box k is subjected to interval classification judgment, and the interval comprises an I area (0% < mu) k Less than or equal to 20 percent) and zone II (20 percent less than mu) k ≤60％μ k ) Region III (60% < mu) k Less than or equal to 80 percent) and IV region (80 percent less than mu) k Less than or equal to 95 percent) and V region (mu) k > 95%) five classes.
Step 2.3: based on the interval classification judgment result in the step 2.2, all distribution boxes are evaluated and adjusted once every two weeks, and the specific evaluation and adjustment method is as follows:
(1) When the distribution box k falls in the zone III, the distribution box k has the best rationality, and is classified into a stable zone and is not needed to be adjusted;
(2) When the distribution box k falls in zone II, it has a certain available margin, so it is classified into available zone, and its available margin U is calculated k ，U k ＝(80％-μ k )M k ；
(3) When the distribution box k falls in the zone I, further judging f k Value:
if f k More than or equal to 30 percent, classifying the distribution box k into an available area, and calculating the available margin of the distribution box k;
if f k If the total load of the distribution box k is less than 30%, the distribution box k is low and the use frequency is low, and the Y is further judged k Value based on Y k The value of the distribution box k is classified into an available area or an area to be rectified, and the specific method is as follows:
calculation of Y k Value:
Y k ＝max{Y minki -a }; (wherein
Y minki ＝{min{Y k1 },min{Y k2 },……,min{Y ki },……min{Y kj }})
Wherein Y is k The representation taking Y minki Maximum value of Y minki Representing a set of minimum values of linear distances from each of i electric devices connected in the distribution box k to x distribution boxes in the available area respectively, Y k1 、Y k2 、Y ki 、Y kj Respectively represent the set of the linear distances from the electric equipment 1, the electric equipment 2, the electric equipment i and the electric equipment j connected in the distribution box k to x distribution boxes in the available area, Y ki ＝{Y ki1 ，Y ki2 ，Y ki3 ...Y kix }，Y ki1 、Y ki2 、Y ki3 、Y kix The linear distances from the electric equipment i connected in the distribution box k to the 1 st, 2 nd, 3 rd and x th distribution boxes in the available area are respectively shown;
if Y k If the distance between the electric equipment and the other distribution boxes is greater than 25m, the distribution box k is more distant from the other distribution boxes, and the distribution box k cannot be canceled, so that the electric equipment is classified into an available area, and the available margin is calculated;
if Y k If the electric equipment is less than or equal to 25m, the distribution box k is classified into a region to be rectified, and all connected electric equipment is integrated into the distribution box in the available region;
(4) When the distribution box k falls in the IV region, the distribution box k belongs to the condition that the total load is high but does not exceed the extremum of the distribution box, and important attention is paid to the distribution box k in the next adjustment period;
(5) When the distribution box k falls in the V region, the distribution box k belongs to a distribution box with overhigh total load, and a part of load is required to be separated and put into other distribution boxes, so that the distribution box k is classified into a region to be rectified, and j electric equipment connected with the distribution box k is screened; the specific method for screening is as follows:
firstly, calculating the association factor of each electric equipment in the distribution box k:wherein omega ki Representing the relevant factor of the consumer i in the distribution box k, < >>Z kn Representing the sum of distances from j electric equipment in the distribution box k to the distribution box k, Z ki Representing the distance between the electric equipment i and the corresponding distribution box k, and 0.ltoreq.i.ltoreq.j,/->P kn Representing the power sum of j electric equipment in distribution box k, P ki Representing the power of the electric equipment i;
then, selecting h electric equipment from j electric equipment connected with the electric equipment k to be connected with the electric equipment in the available area, wherein the selected h electric equipment is required to meet the following conditions:
wherein omega kh And representing the correlation factor between the selected electric equipment and the distribution box k.
In the evaluation and adjustment process, electric equipment connected with the distribution box in the area to be rectified is connected with the distribution box in the available area according to the following constraint conditions:
L su ≤25m；
wherein t represents the total number of electric equipment to be accessed in the current area to be rectified, w represents the total number of distribution boxes in the current available area, s represents a certain electric equipment in the current area to be rectified, and u represents a certain distribution box of the accessible electric equipment s in the available area;L su representing the actual distance of the consumer s from the distribution box u,L sn representing the sum of the actual distances of the electric equipment s from w distribution boxes in the available area, +.>Representing the sum of the reciprocal of the distances from t electric devices to be connected to the distribution box u, P u Indicating the power of the distribution box u +.>P un Representing the sum of the powers of t electric devices to be connected to the distribution box u, M u Indicating the maximum loadable power of the distribution box u.
The examples are preferred embodiments of the present invention, but the present invention is not limited to the above-described embodiments, and any obvious modifications, substitutions or variations that can be made by one skilled in the art without departing from the spirit of the present invention are within the scope of the present invention.
Claims (3)
1. The electricity energy-saving and carbon-reducing control method for the building engineering is characterized by comprising the following steps of:
step 1: the method comprises the steps that a field monitoring module is used for collecting all power parameter data of incoming lines and outgoing lines of a secondary distribution box, and the data are transmitted to a rear-end data processing platform through a data transmission module;
step 2: the rear-end data processing platform performs optimal distribution design of the secondary distribution box and optimal distribution butt joint of the distribution box and electric equipment:
step 2.1: calculating the maximum bearable capacity of the distribution box, the maximum power of a single day and the rated power of electric equipment connected with each outlet line in the distribution box;
step 2.2: according to the result of the step 2.1, calculating the use saturation mu of the distribution box k k Performing interval classification judgment on the distribution box based on the saturation value; wherein 0% < mu k When the power distribution box k is less than or equal to 20%, the power distribution box k falls in the area I; 20% < mu k When the percentage is less than or equal to 60%, the distribution box k falls in the zone II; 60% < mu k When the power distribution box k is less than or equal to 80 percent, the power distribution box k falls in the area III; 80% < mu k When the power distribution box k is less than or equal to 95 percent, the power distribution box k falls in the zone IV; mu (mu) k At > 95%, block terminal k falls in zone V;
step 2.3: based on the interval classification judgment result in the step 2.2, regularly evaluating and adjusting the distribution box;
in the step 2.2, the calculation formula of the saturation of the distribution box k is as follows:wherein P is k Representing the single day maximum power, M, of the distribution box k k Representing the maximum loadable capacity of the distribution box k;
the evaluation adjustment includes:
the distribution box k falls in the zone I, and the use frequency f of the distribution box k is further calculated k ：
f k More than or equal to 30 percent, classifying the distribution box k into an available area, and calculating the available margin of the distribution box k;
f k less than 30%, indicating that the distribution box k belongs to a distribution box with low total load and low use frequency, and further judging Y k Value based on Y k The value classifies the distribution box k into the available area or the area to be rectified, wherein Y k ＝max{Y minki }，Y minki ＝{min{Y k1 }，min{Y k2 }，.......，min{Y ki }，......min{Y kj }}，Y k The representation taking Y minki Maximum value of Y minki Representing a set of minimum values of linear distances from each of j electric devices connected in the distribution box k to x distribution boxes in the available area respectively, Y k1 、Y k2 、Y ki 、Y kj Respectively representing the set of the linear distances from the electric equipment 1, the electric equipment 2, the electric equipment i and the electric equipment j connected in the distribution box k to x distribution boxes in the available area;
the Y is k When the distance between the electric equipment and the other distribution boxes is more than 25m, the distribution box k is irrevocable, so that the electric equipment is classified into an available area, and the available margin is calculated; y is Y k When the distance between the electric equipment and the distribution box is less than or equal to 25m, the distribution box k is classified into a region to be rectified, and all the connected electric equipment is integrated into the distribution box in the available region;
the evaluation adjustment further includes:
the distribution box k falls in the V region, and belongs to a distribution box with overhigh total load, and a part of load of the distribution box k is separated and put into other distribution boxes, so that the distribution box k is classified into a region to be rectified, and j electric equipment connected with the distribution box k is screened:
firstly, calculating the association factor of each electric equipment in the distribution box k:wherein omega ki Representing the relevant factor of the consumer i in the distribution box k, < >>Representing the sum of distances from j electric equipment in the distribution box k to the distribution box k, Z ki Representing the distance between the electric equipment i and the corresponding distribution box k, and 0.ltoreq.i.ltoreq.j,/->Representing the power sum of j electric equipment in distribution box k, P ki Representing the power of the electric equipment i; then selecting h electric equipment from j electric equipment connected with the electric equipment k to be connected with the electric equipment k, and accessing the electric equipment k into the electric equipment in the available area;
the h electric equipment selected from the j electric equipment connected with the distribution box k meets the following conditions: wherein omega kh Representing the association factors of the selected electric equipment and the distribution box k;
the evaluation adjustment further includes:
the distribution box k falls in the zone III, and is classified into a stable zone, and is temporarily not required to be adjusted;
classifying the distribution box k into an available area when the distribution box k falls in the area II, and calculating an available margin;
the distribution box k falls in the IV zone, and is the case when the total load is high but the limit value of the distribution box is not exceeded, and is focused on in the next adjustment period.
2. The method for controlling energy conservation and carbon reduction of electricity consumption in constructional engineering according to claim 1, wherein constraint conditions according to which electric equipment connected with the distribution box in the area to be rectified is connected with the distribution box in the available area are as follows:
L su ≤25m；
wherein t represents the total number of electric equipment to be accessed in the current area to be rectified, w represents the total number of distribution boxes in the current available area, s represents a certain electric equipment in the current area to be rectified, and u represents a certain distribution box of the accessible electric equipment s in the available area; l (L) su Representing the actual distance of the consumer s from the distribution box u,representing the sum of the actual distances of the electric equipment s from w distribution boxes in the available area, +.>Representing the sum of the reciprocal of the distances from t electric devices to be connected to the distribution box u, P u Indicating the power of the distribution box u +.>Representing the sum of the powers of t electric devices to be connected to the distribution box u, M u Indicating the maximum loadable power of the distribution box u.
3. The energy-saving and carbon-reducing control system for the construction engineering electricity consumption for realizing the control method for the energy-saving and carbon-reducing of the construction engineering electricity consumption according to claim 2 is characterized by comprising a field monitoring module, a data transmission module, a rear-end data processing platform and a man-machine interaction module; the on-site monitoring module is arranged at the secondary distribution box and is used for monitoring and processing each parameter of on-site electric equipment in real time; the data transmission module is used for butting the field monitoring module with the rear-end data processing platform through the Internet of things equipment; the rear-end data processing platform is used for carrying out processing operation according to the data acquired by the field monitoring module, and carrying out optimal distribution design of the secondary distribution box and optimal distribution butt joint of the distribution box and electric equipment; the man-machine interaction module is used for carrying out man-machine interaction.
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