CN113360970B - Layout method of electric power automation machine room screen cabinet - Google Patents
Layout method of electric power automation machine room screen cabinet Download PDFInfo
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Abstract
The invention discloses a layout method of a power automation machine room screen cabinet, which comprises the steps of inputting account information into a MySQL database, and then obtaining screen cabinet data information through the MySQL database; matching the data information of the screen cabinet with the width and the height of the screen of the computer display end in proportion; calculating screen coordinates based on the proportion matching and the screen cabinet data information; carrying out layout on the machine room screen cabinet according to the screen coordinates, and judging whether the layout is reasonable or not; if the layout is reasonable, outputting an equal proportion result, otherwise, recalculating screen coordinates; according to the invention, the screen cabinet in the machine room is laid out according to the actual situation and the rationality is judged by calculating the screen coordinates and establishing the layout judgment model, and the arranged screen cabinet can be checked in real time on the screen of the computer end, so that the situation that the computer needs to go to site for multiple times is avoided, the manpower and material resources are saved, and the judgment basis is provided for the resource planning and purchasing of the machine room.
Description
Technical Field
The invention relates to the technical field of machine room layout, in particular to a layout method of a power automation machine room screen cabinet.
Background
Along with the development of high-speed and stable Chinese electric power, more and more screen cabinets in an electric power automation machine room effectively and reasonably utilize resources in the machine room, and more importance is given. On the premise of meeting the reliability of a data center machine room system, the layout and the space of the machine room and the machine cabinet are reasonably determined, so that the investment can be reduced, the energy consumption can be reduced, and the service life of the machine room is prolonged.
The existing machine room cabinet method simply lists the cabinets, places all cabinets in the same direction, does not strictly carry out fine layout modeling, cannot intuitively display, and has heavy maintenance work once the power supply fails.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above-described problems occurring in the prior art.
Therefore, the invention provides a layout method of the screen cabinet of the electric power automation machine room, which can solve the problems of heavy maintenance work, field checking and convenient positioning.
In order to solve the technical problems, the invention provides the following technical scheme: inputting ledger information into a Mysql database, and then acquiring screen cabinet data information through the Mysql database; matching the data information of the screen cabinet with the width and the height of the screen of the computer display end in proportion; calculating screen coordinates based on the scale matching and the screen cabinet data information; carrying out layout on the machine room screen cabinet according to the screen coordinates, and judging whether the layout is reasonable or not; if the layout is reasonable, outputting an equal proportion result, otherwise, recalculating the screen coordinates.
As a preferable scheme of the layout method of the electric power automation machine room screen cabinet, the invention comprises the following steps: the data information of the screen cabinet comprises the length and the width of a machine room where the screen cabinet is located, and the length and the width of the screen cabinet, and the distance between the screen cabinets.
As a preferable scheme of the layout method of the electric power automation machine room screen cabinet, the invention comprises the following steps: the said matching of the proportions includes the steps of,
H＝α*h
W＝β*w
wherein H is the length of the machine room where the screen cabinet is located, W is the width of the machine room where the screen cabinet is located, H is the height of the screen, W is the width of the screen, and alpha and beta are proportionality coefficients;
as a preferable scheme of the layout method of the electric power automation machine room screen cabinet, the invention comprises the following steps: calculating the screen coordinates includes obtaining screen abscissas from the scaling factor α:
obtaining a screen ordinate according to the proportionality coefficient beta:
wherein Xmn is the relative transverse position of the nth row of the mth row on the screen, namely the screen abscissa; ymn is the relative longitudinal position of the nth row of the mth row on the screen, namely the screen ordinate; aim is the length of the ith row and the mth column of the screen cabinet; dim is the transverse distance between the screen cabinet of the ith row and the screen cabinet of the (m+1) th column and the screen cabinet of the ith row and the (m) th column; lin is the longitudinal distance between the ith row and nth column of the screen cabinet and the (i+1) th row and nth column of the screen cabinet; bin is the width of the ith row and the nth column of the screen cabinet;
as a preferable scheme of the layout method of the electric power automation machine room screen cabinet, the invention comprises the following steps: the judging layout comprises the steps of constructing a judging model based on a logistic regression strategy:
judging the rationality of the layout according to the judging model, and if p (C1|x) p (C2|x) =1, judging that the layout is reasonable; otherwise, the layout is judged to be unreasonable. Wherein p is a decision plane; p (C1|x) represents a probability distribution function with a position parameter of 0 and a shape parameter of 1; p (C2|x) represents a probability distribution function with a position parameter of 1 and a shape parameter of 0; omega is a parameter vector; t is a transposed symbol; phi (x) is a basis function of the discrimination model; delta is a layout parameter of the cabinet, delta epsilon (0, 1.5).
As a preferable scheme of the layout method of the electric power automation machine room screen cabinet, the invention comprises the following steps: further, the log-likelihood estimation is:
wherein tn ε (0, 1); yn=p (c1|x); n is the number of basis functions.
As a preferable scheme of the layout method of the electric power automation machine room screen cabinet, the invention comprises the following steps: also included is a gradient of the parameter vector ω:
calculating the parameter vector ω using a gradient descent strategy:
where η is the learning rate.
As a preferable scheme of the layout method of the electric power automation machine room screen cabinet, the invention comprises the following steps: also included is a range of lateral spacing D: 1.2m±10%; the range of the longitudinal spacing L is: 0.2m + -10%.
The invention has the beneficial effects that: according to the invention, the screen cabinet in the machine room is laid out according to the actual situation and the rationality is judged by calculating the screen coordinates and establishing the layout judgment model, and the arranged screen cabinet can be checked in real time on the screen of the computer end, so that the situation that the computer needs to go to site for multiple times is avoided, the manpower and material resources are saved, and the judgment basis is provided for the resource planning and purchasing of the machine room.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a flow chart of a layout method of a power automation machine room cabinet according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a layout of a cabinet of an electric power automation machine room according to a first embodiment of the present invention.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
While the embodiments of the present invention have been illustrated and described in detail in the drawings, the cross-sectional view of the device structure is not to scale in the general sense for ease of illustration, and the drawings are merely exemplary and should not be construed as limiting the scope of the invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Also in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper, lower, inner and outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first, second, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1 to 2, in a first embodiment of the present invention, a layout method of a power automation machine room cabinet is provided, including:
s1: and inputting the ledger information into the MySQL database, and then acquiring the screen cabinet data information through the MySQL database.
Firstly, entering the standing account information of a machine room into a MySQL database (MySQL is a relational database management system, and the relational database stores data in different tables), wherein the standing account information comprises the length and the width of the machine room where a screen cabinet is positioned, the length and the width of the screen cabinet, and the distance between the screen cabinets; then acquiring the data information of the screen cabinet through a MySQL database; and finally, extracting relevant information displayed on the current screen, including the width and the height of the screen of the computer display end and the width and the height of the screen of the brain display end.
S2: and (5) matching the data information of the screen cabinet with the width and the height of the screen of the computer display end in proportion.
Proportion matching is carried out according to the following formula:
H＝α*h α＝H/h
W＝β*w β＝W/w
wherein H is the length of the machine room where the screen cabinet is located, W is the width of the machine room where the screen cabinet is located, H is the height of the screen, W is the width of the screen, and alpha and beta are proportionality coefficients.
S3: screen coordinates are calculated based on the scale matching and the screen cabinet data information.
Obtaining a screen abscissa according to a proportionality coefficient alpha:
obtaining the screen ordinate according to the proportionality coefficient beta:
wherein Xmn is the relative transverse position of the nth row of the mth row on the screen, namely the screen abscissa; ymn is the relative longitudinal position of the nth row of the mth row on the screen, namely the screen ordinate; aim is the length of the ith row and the mth column of the screen cabinet; dim is the transverse distance between the screen cabinet of the ith row and the screen cabinet of the (m+1) th column and the screen cabinet of the ith row and the (m) th column; lin is the longitudinal distance between the ith row and nth column of the screen cabinet and the (i+1) th row and nth column of the screen cabinet; bin is the width of the ith row and nth column of the cabinet.
The range of the lateral distance D is as follows: 1.2m±10%; the range of the longitudinal spacing L is: 0.2m + -10%.
S4: carrying out layout on the machine room screen cabinet according to the screen coordinates, and judging whether the layout is reasonable or not;
referring to FIG. 2, a result of a screen layout; wherein, the outermost large square frame in the figure represents a machine room, the small square frame represents a screen cabinet, P is a screen cabinet, for example, 11P represents the position of the screen cabinet in the first row and the first column; a11 represents the length of the 1 st row and 1 st column of the screen cabinet, D11 represents the transverse interval between the 1 st row and 2 nd row and 1 st column of the screen cabinet, and L12 represents the longitudinal interval between the 1 st row and 2 nd column of the screen cabinet and the 2 nd row and 2 nd column of the screen cabinet; b1n represents the width of the nth row of the screen cabinet, A1n represents the length of the nth row of the screen cabinet; w represents the width of the machine room and H represents the length of the machine room.
Further, a discrimination model is built based on a logistic regression strategy:
the log-likelihood estimation of the discrimination model is:
the gradient of the parameter vector ω is:
further, a gradient descent strategy is utilized to calculate a parameter vector omega, and a discrimination model is trained iteratively.
Wherein p is a decision plane; p (C1|x) represents a probability distribution function with a position parameter of 0 and a shape parameter of 1; p (C1|x) represents a probability distribution function with a position parameter of 1 and a shape parameter of 0; omega is a parameter vector; t is a transposed symbol; phi (x) is a basis function of the discrimination model; delta is the layout parameter of the screen cabinet, delta epsilon (0, 1.5)]；t n ∈(0,1)；y n P (c1|x); n is the number of basis functions; η is the learning rate;
the training procedure is as follows:
defstocGradAscentIter(dataMat,labelMat,numIter＝150):
m,n＝np.shape(dataMat)
datamatrix=np. Mat (dataMat) # list is converted to a matrix
weights＝np.ones((n,1))
for j in range(numIter):
dataindex=list (range (m)) # sample point index
for i in range (m): # traverses all sample points
alpha＝4/(1.0+j+i)+0.01
randIndex＝np.random.randint(0,len(dataIndex))
Fxi＝sigmoid(float((dataMatrix[randIndex]*weights)))
error＝float(labelMat[randIndex])-Fxi
weights＝weights+alpha*error*dataMatrix[randIndex].transpose()
del(dataIndex[randIndex])
return weights
Judging the rationality of the layout according to the judging model, and if p (C1|x) p (C2|x) =1, judging that the layout is reasonable; otherwise, judging that the layout is unreasonable; if the layout is reasonable, outputting an equal proportion result, otherwise, recalculating the screen coordinates.
Preferably, the rationality of the layout is judged by constructing a judging model, so that the error caused by artificial judgment is avoided, and the judging efficiency is improved.
Example 2
In order to verify and explain the technical effects adopted in the method, the embodiment selects the traditional technical scheme
And comparing test results by means of scientific demonstration by adopting the method to verify the true effect of the method.
The traditional technical scheme simply lists the screen cabinets, does not strictly carry out refined layout modeling, and has poor replicability.
In order to verify that the method has a better layout effect compared with the traditional technical scheme, the traditional technical scheme and the method are adopted to respectively perform layout modeling on the computer room screen cabinet in the embodiment.
The traditional technical scheme and the method are used for comparing various data, after all computer room screen cabinet data information of an automatic computer room is collected, the traditional paper image file technology and the traditional paper image file technology are respectively used for comparing and analyzing, the screen cabinet data in all computer rooms are checked, and analysis and comparison are respectively carried out on data integrity, data replicability, query time efficiency and the like, so that the results are shown in the following table.
Table 1: and analyzing the layout result of the screen cabinet.
| Index (I) | Conventional technical proposal | The invention is that |
| Scaling | Cannot be scaled | Can be scaled by 400% |
| Accuracy of | Roughly estimate about 1m | Within 10cm |
| Preservation time | 3 years to 5 years | For 30 to 50 years |
| Repeatability of | Poor replicability, requiring specific instrumentation | Is very easy to copy and has short copying time |
| Reference time | For more than 1 hour | Less than 1 minute |
As can be seen from the above table, the method can be used to determine the resolution of the display, the cabinet layout in the display machine room with the corresponding proportion is displayed, the replicability is strong, and the layout efficiency is high.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (4)
1. A layout method of a power automation machine room screen cabinet is characterized by comprising the following steps: comprising the steps of (a) a step of,
inputting the ledger information into a MySQL database, and then acquiring the screen cabinet data information through the MySQL database;
matching the data information of the screen cabinet with the width and the height of the screen of the computer display end in proportion;
calculating screen coordinates based on the scale matching and the screen cabinet data information;
carrying out layout on the machine room screen cabinet according to the screen coordinates, and judging whether the layout is reasonable or not;
if the layout is reasonable, outputting an equal proportion result, otherwise, recalculating screen coordinates;
the data information of the screen cabinets comprises the length and the width of a machine room where the screen cabinets are located, and the length and the width of the screen cabinets, and the distance between the screen cabinets;
the said matching of the proportions includes the steps of,
H＝α*h
W＝β*w
wherein H is the length of the machine room where the screen cabinet is located, W is the width of the machine room where the screen cabinet is located, H is the height of the screen, W is the width of the screen, and alpha and beta are proportionality coefficients;
calculating the coordinates of the screen includes,
obtaining a screen abscissa according to the proportionality coefficient alpha:
obtaining a screen ordinate according to the proportionality coefficient beta:
wherein Xmn is the relative transverse position of the nth row of the mth row on the screen, namely the screen abscissa; ymn is the relative longitudinal position of the nth row of the mth row on the screen, namely the screen ordinate; aim is the length of the ith row and the mth column of the screen cabinet; dim is the transverse distance between the screen cabinet of the ith row and the screen cabinet of the (m+1) th column and the screen cabinet of the ith row and the (m) th column; lin is the longitudinal distance between the ith row and nth column of the screen cabinet and the (i+1) th row and nth column of the screen cabinet; bin is the width of the ith row and the nth column of the screen cabinet;
the judging layout includes the steps of,
establishing a discrimination model based on a logistic regression strategy:
judging the rationality of the layout according to the judging model, and if p (C1|x) p (C2|x) =1, judging that the layout is reasonable; otherwise, judging that the layout is unreasonable;
wherein p is a decision plane; p (C1|x) represents a probability distribution function with a position parameter of 0 and a shape parameter of 1; p (C2|x) represents a probability distribution function with a position parameter of 1 and a shape parameter of 0; omega is a parameter vector; t is a transposed symbol; phi (x) is a basis function of the discrimination model; delta is a layout parameter of the cabinet, delta epsilon (0, 1.5).
2. The layout method of a power automation machine room cabinet according to claim 1, wherein: further, the log-likelihood estimation is:
wherein tn ε (0, 1); yn=p (c1|x); n is the number of basis functions.
3. The layout method of the power automation machine room screen cabinet according to claim 2, wherein: also included is a gradient of the parameter vector ω:
calculating the parameter vector ω using a gradient descent strategy:
where η is the learning rate.
4. The layout method of a power automation machine room cabinet according to claim 1, wherein: also included is a range of lateral spacing D: 1.2m±10%;
the range of the longitudinal spacing L is: 0.2m + -10%.
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| CN102867030A (en) * | 2012-08-28 | 2013-01-09 | 曙光信息产业(北京)有限公司 | Quasi-three-dimensional presentation method for environment and layout of machine room |
| CN105335445B (en) * | 2014-08-13 | 2018-07-24 | 北大方正集团有限公司 | It is laid out display methods and device |
| CN106650202B (en) * | 2016-09-18 | 2019-03-12 | 中国科学院计算技术研究所 | A kind of the room area layout prediction technique and system of data-driven |
| CN109827293B (en) * | 2019-01-11 | 2021-09-10 | 平安科技（深圳）有限公司 | Big data-based machine room environment monitoring method and related equipment |
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