CN111797460A - Method and device for selecting type of equipment of cruise ship air conditioning system - Google Patents
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Abstract
The invention provides a method and a device for selecting types of equipment of a mail steamer air conditioning system, wherein the method comprises the following steps: according to design parameters of an air conditioning system in a shipbuilding planning book and the form of the air conditioning system, calculating the load and wind balance of an air conditioning area by adopting a preset design standard; determining at least two air-conditioning system equipment configuration schemes meeting classification society standards based on performance parameters provided by air-conditioning system equipment manufacturers; constructing an optimal selection type hierarchical structure model of an air conditioning system equipment configuration scheme, and carrying out comprehensive analysis on the equipment configuration scheme from multiple dimensions; and constructing a judgment matrix of the hierarchical structure model, calculating the weight of the air conditioning system equipment configuration scheme, and selecting the scheme with the maximum weight as the equipment configuration scheme with the optimal comprehensive performance. The method solves the problem that the existing mail steamer air conditioning system equipment type selection calculation process is complex, can effectively simplify the air conditioning system equipment type selection, is convenient for solving the optimal configuration scheme, and effectively improves the accuracy and reliability of equipment type selection decision.
Description
Technical Field
The invention relates to the field of equipment type selection, in particular to a method and a device for type selection of equipment of a cruise ship air conditioning system.
Background
In the construction process of the cruise ship, the energy consumption of the air conditioning system accounts for a large proportion in the energy consumption of the whole ship, the number of devices contained in the system is large, the design, the device type selection and the debugging of the air conditioning system can run through the whole ship design and construction process, the quality of the air conditioning system can directly influence the riding experience of passengers, the manufacturing cost of a shipyard and the operation cost of a shipowner, and the size and the weight of system devices can influence the available space of the passengers.
At present, most of the complicated air conditioning system equipment type selection problems are to construct a model under a constraint condition and then evaluate a type selection scheme, the method is suitable for a small air conditioning system, only cost and performance problems are generally considered, but when various influences need to be comprehensively considered for the air conditioning type selection of a large mail ship, the type selection method is complex in calculation process and difficult to be suitable for the air conditioning type selection of the large mail ship.
Disclosure of Invention
In view of this, the embodiment of the present invention provides a method for selecting a type of equipment for a cruise ship air conditioning system, so as to solve the problem that the existing type selection method is complex in calculation process.
In a first aspect of the embodiments of the present invention, a method for selecting a type of a cruise ship air conditioning system device is provided, including:
according to design parameters of an air conditioning system in a shipbuilding planning book and the form of the air conditioning system, load calculation and air volume balance calculation of an air conditioning area are carried out by adopting a preset design standard;
determining at least two air-conditioning system equipment configuration schemes meeting classification society standards based on performance parameters provided by air-conditioning system equipment manufacturers;
constructing an optimal selection type hierarchical structure model of an air conditioning system equipment configuration scheme, and carrying out comprehensive analysis on the air conditioning system equipment configuration scheme from six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise;
and constructing a judgment matrix of the hierarchical structure model, calculating the weight of the air conditioning system equipment configuration scheme, and selecting the scheme with the maximum weight as the equipment configuration scheme with the optimal comprehensive performance.
In a second aspect of embodiments of the present invention, there is provided an apparatus for mail steamer air conditioning system equipment type selection, comprising:
the calculation module is used for performing load calculation and air quantity balance calculation of an air conditioning area by adopting a preset design standard according to design parameters of an air conditioning system in a shipbuilding planning book and an air conditioning system form;
the preselection module is used for determining at least two air-conditioning system equipment configuration schemes meeting classification society standards based on performance parameters provided by air-conditioning system equipment manufacturers;
the analysis module is used for constructing an optimal selection type hierarchical structure model of the air conditioning system equipment configuration scheme and comprehensively analyzing the air conditioning system equipment configuration scheme from six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise;
and the selection module is used for constructing a judgment matrix of the hierarchical structure model, calculating the weight of the air conditioning system equipment configuration scheme, and selecting the scheme with the maximum weight as the equipment configuration scheme with the optimal comprehensive performance.
In the embodiment of the invention, load and air volume balance of an air conditioning area under a preset design standard are calculated, at least two equipment configuration schemes meeting classification society standards are determined based on performance parameters of the equipment, an optimal selection type hierarchical structure model of the equipment configuration scheme of the air conditioning system is constructed, the configuration scheme is comprehensively analyzed from six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise, the weight of the configuration scheme is calculated based on a judgment matrix of the hierarchical structure model, and the scheme with the largest weight is selected as the equipment configuration scheme with the optimal comprehensive performance. Therefore, the problem that the existing mail steamer air conditioning system equipment type selection calculation process is complex is solved, the air conditioning system equipment type selection can be effectively simplified, the solution of the optimal configuration scheme is convenient, and the accuracy and the reliability of the mail steamer air conditioning system equipment configuration scheme type selection decision can be improved according to the air conditioning system configuration schemes meeting different requirements. Meanwhile, on the premise of ensuring the requirement of comfort, the manufacturing cost of a shipyard, the operation cost, the size and the weight of a shipowner are considered, and qualitative and quantitative analysis is carried out on equipment configuration by combining a hierarchical structure model, so that the scientific and reliable type selection result is ensured.
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In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for selecting a type of equipment for a cruise ship air conditioning system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus for type selection of an air conditioning system for a mail steamer according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons skilled in the art without any inventive work shall fall within the protection scope of the present invention, and the principle and features of the present invention shall be described below with reference to the accompanying drawings.
The terms "comprises" and "comprising," when used in this specification and claims, and in the accompanying drawings and figures, are intended to cover non-exclusive inclusions, such that a process, method or system, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements.
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for selecting a type of equipment of a cruise ship air conditioning system according to an embodiment of the present invention, including:
s101, according to design parameters of an air conditioning system in a shipbuilding planning book and the form of the air conditioning system, adopting a preset design standard to carry out load calculation and air quantity balance calculation of an air conditioning area;
generally, the shipbuilding planning book includes basic design requirements of the cruise ship air conditioning system, such as air conditioning system design parameters, air conditioning system forms, and the like, and may further include first party specific design requirements.
The predetermined design standard is determined according to the region where the ship travels, and includes a national GB/T13409-92 standard adopted by ships of domestic airlines and an international ISO7547 standard adopted by ships of international airlines. And calculating the load and the air volume balance of the air conditioning region based on national standards or international standards, wherein the air conditioning load comprises a cold (heat) load and a wet load. Wherein, the reference standard of air conditioning load calculation and air volume balance calculation is determined according to the sailing area of the ship.
S102, determining at least two air conditioning system equipment configuration schemes meeting classification society standards based on performance parameters provided by air conditioning system equipment manufacturers;
the classification society entry standard refers to the requirement of the COMF mark in the additional marks of classification society passenger ships corresponding to the entry of ships. The configuration scheme refers to a configuration scheme formed by different brands or types of water chilling units, AHUs and terminal equipment.
By designing different configuration schemes meeting the equipment configuration requirements, the final decision of the type selection of the equipment of the mail steamer air conditioning system is facilitated, the optimal configuration scheme is selected, and the scientific reliability of the result is guaranteed.
S103, constructing an optimal selection type hierarchical structure model of the air conditioning system equipment configuration scheme, and comprehensively analyzing the air conditioning system equipment configuration scheme from six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise;
the hierarchical structure model is an evaluation model of an air conditioning system equipment configuration scheme established based on an analytic hierarchy process, and can perform quantitative analysis on qualitative problems. And optimally selecting an air conditioning system equipment configuration scheme based on six influence factors of environmental protection, cost, energy efficiency ratio, size, weight and noise.
Wherein, the environmental protection refers to the pollution degree of the leakage of the refrigerant adopted by the air conditioning system to the environment; the cost refers to the price of the core equipment forming the system, and the core equipment generally comprises a water chilling unit, an AHU and a tail end
An end device; the energy efficiency ratio refers to the energy efficiency ratio of the water chilling unit; size and weight refer to the size and weight of each core device constituting the system; the noise refers to the noise level of the air conditioning cabin.
The configuration scheme of the cruise ship air-conditioning system is subjected to model selection by using an analytic hierarchy process, and inconsistency existing in the model selection process is eliminated, so that the decision is more scientific, the comfort and the environmental protection performance of the cruise ship air-conditioning system are effectively guaranteed, and the manufacturing cost of a shipyard and the operation cost, size and weight of a shipowner are considered at the same time.
S104, constructing a judgment matrix of the hierarchical structure model, calculating the weight of the air conditioning system equipment configuration scheme, and selecting the scheme with the maximum weight as the equipment configuration scheme with the optimal comprehensive performance.
The judgment matrix is used for judging the relative importance of the influence factors of each level in a certain equipment model selection and is expressed by specific numerical values. Specifically, the influence degrees of the n factors on the target result are sorted, and the n factors are compared pairwise to obtain a judgment matrix A:
wherein, aijAnd for comparing the scale parameters, representing the comparison result of the ith factor relative to the jth factor, and taking a value according to the importance degrees of the two comparison factors.
Furthermore, after the importance degrees of the indexes are compared pairwise, judgment matrixes of all the layers are constructed, and the weight coefficient of each index in each judgment matrix is solved, wherein the index is one of six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise.
In another embodiment of the present application, taking an example of an actual air conditioning system device configuration, a process of selecting an optimal device configuration scheme is as follows:
step 1: according to the design parameters of the air conditioning system and the form of the air conditioning system (shown in table 1) of the shipbuilding specification, ISO7547 is adopted to perform load calculation and air balance calculation on the air conditioning area of a cruise ship with a certain entry grade BV to determine the refrigerating capacity, the heating capacity and the air supply capacity (shown in table 2), and the refrigerating capacity in summer is 1128KW, the heating capacity in winter is 270KW and the air supply capacity is 69140m3/h。
TABLE 1 design parameters of cruise ship air-conditioning system of certain international route
TABLE 2 calculation of load and balance of air flow for passenger cruise ship air conditioning system
Step 2: according to performance parameters of air-conditioning system equipment manufacturers, at least two air-conditioning system equipment configuration schemes meeting classification society standards are determined so as to be selected and improved at a later stage.
The configuration scheme comprises the following steps:
the first scheme is as follows: 2 multiplied by 56 percent (the single refrigerating capacity is 630KW and accounts for 56 percent of the total capacity, and the heating capacity is provided by cooling water of an auxiliary boiler and a cylinder sleeve) is configured for the water chilling unit, Bitzer; AHU 7 (corresponding to air-conditioning partition), Aeron; 16 fan coils, Aeron; the local FCUs of the passenger cabins are 86, aerons. The method is characterized in that: the equipment is made by foreign brands, and compared with the domestic equipment, the equipment has the advantages of better noise control, smaller size and weight, high price and equivalent energy consumption.
Scheme II: the water chilling unit is configured with CLS-6152 x 55% (the single refrigerating capacity is 615KW, which accounts for 55% of the total capacity, and the heating capacity is provided by auxiliary boiler and cylinder jacket cooling water), and the megaly wins; AHU (TMU type, corresponding to air conditioner partition) 7, the million wins; 16 fan coils are used, and the million wins; passenger cabin IDFC (intelligent distributed air conditioning) units are 86, mega-wins. The method is characterized in that: the equipment is the largest domestic integrated supplier of the air-conditioning system for the ship, and compared with foreign brands, the cost has obvious advantages, but the control on the noise in the cabin is not as good as the foreign known brands, the size and the weight are larger, and the energy consumption is equivalent.
Wherein, the above two schemes both meet the BV specification.
And step 3: and comparing and selecting the configuration schemes of the two air conditioning systems, comprehensively analyzing and bringing six influence factors including environment protection, cost, energy efficiency ratio, size, weight and noise of the configuration schemes of the air conditioning systems into an evaluation index system, constructing an optimal selection type hierarchical structure model of the equipment configuration schemes of the mail steamer air conditioning system, and comprehensively and deeply analyzing the comprehensive performance of the configuration schemes of the two air conditioning systems from the six dimensions.
And 4, step 4: after the hierarchical structure model is constructed, a judgment matrix is constructed.
Let a layer be composed of n non-elements, with X ═ X1，x2，…，xnRepresents it. Ranking the influence degree of n factors on a certain target, and expressing the ratio of the ith factor to the jth factorComparing the results, and comparing the n factors pairwise to obtain a judgment matrix A:
wherein, aij＝1/aij，aijTo compare the scale parameters, values can be taken based on the importance of the two factors being compared.
Illustratively, the relative importance of the two factors is shown in Table 3:
TABLE 3 comparison of factor importance
And 5: after the importance degree of each index is compared and evaluated pairwise, each layer of judgment matrix is constructed, and the judgment matrix is solved to obtain the weight coefficient of each index, as shown in table 4:
table 4 shows the judgment matrix of the criterion layer to the target layer
And (4) performing consistency test by using the consistency index, the random consistency index and the consistency ratio, calculating that CR & ltCI/RI & lt0.0827 & lt 0.10, and judging that the matrix passes consistency judgment.
Constructing a judgment matrix of the scheme layer alignment layer as shown in tables 5 to 10:
| environmental protection property | Scheme 1 | Scheme 2 | Wi |
| Scheme 1 | 1 | 1/2 | 0.3333 |
| Scheme 2 | 2 | 1 | 0.6667 |
TABLE 5
| Cost of | Scheme 1 | Scheme 2 | Wi |
| Scheme 1 | 1 | 1/4 | 0.2000 |
| Scheme 2 | 4 | 1 | 0.8000 |
TABLE 6
| Energy efficiency ratio | Scheme 1 | Scheme 2 | Wi |
| Scheme 1 | 1 | 2 | 0.6667 |
| Scheme 2 | 1/2 | 1 | 0.3333 |
TABLE 7
| Size of | Scheme 1 | Scheme 2 | Wi |
| Scheme 1 | 1 | 4 | 0.8000 |
| Scheme 2 | 1/4 | 1 | 0.2000 |
TABLE 8
| Weight (D) | Scheme 1 | Scheme 2 | Wi |
| Scheme 1 | 1 | 3 | 0.7500 |
| Scheme 2 | 1/3 | 1 | 0.2500 |
TABLE 9
| Noise (F) | Scheme 1 | Scheme 2 | Wi |
| Scheme 1 | 1 | 5 | 0.8333 |
| Scheme 2 | 1/5 | 1 | 0.1667 |
Watch 10
Calculating the combination weight of scheme 1 and scheme 2 relative to the target:
scheme 1: 0.3333 × 0.3601+0.2000 × 0.05934+0.6667 × 0.2639+0.8000 × 0.0879+0.7500 × 0.1077+0.8333 × 0.1209 ═ 0.5598;
scheme 2: 0.6667 × 0.3601+0.8000 × 0.0594+0.3333 × 0.2639+0.2000 × 0.0879+0.2500 × 0.1077+0.1667 × 0.1209 ═ 0.4402.
The combination weights of the scheme 1 and the scheme 2 are as follows: (0.5598, 0.4402), a combination identity ratio CR of 0 < 0.10, the combination identity test passed.
Because the weight of the scheme 1 is greater than that of the scheme 2, the scheme 1 is finally selected as the equipment configuration scheme with the optimal comprehensive performance.
In the above embodiment, after at least two air conditioning system equipment configuration schemes are determined, an optimal equipment configuration scheme is selected by combining with hierarchical structure analysis, and compared with the prior art, the manufacturing cost of a shipyard, the operation cost of a shipowner, the size and the weight are considered on the premise that the cruise ship air conditioning system can meet the comfort requirement. Meanwhile, values are taken according to the importance degrees of the two compared factors, and a configuration scheme of the cruise ship air conditioning system is selected, so that qualitative analysis and quantitative analysis are combined, and the type selection process is more scientific and reasonable.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 2 is a schematic structural diagram of an apparatus for type selection of an air conditioning system device of a mail steamer, according to an embodiment of the present invention, the apparatus includes:
the calculation module 210 is used for performing load calculation and air volume balance calculation of an air conditioning area by adopting a preset design standard according to design parameters and an air conditioning system form of an air conditioning system in a shipbuilding planning book;
specifically, the predetermined design standard is determined according to the region where the ship sails, and comprises the national GB/T13409-92 standard adopted by ships of domestic airlines and the international ISO7547 standard adopted by ships of international airlines.
The preselection module 220 is used for determining at least two air-conditioning system equipment configuration schemes meeting classification society standards based on performance parameters provided by air-conditioning system equipment manufacturers;
the analysis module 230 is used for constructing an optimal selection type hierarchical structure model of the air conditioning system equipment configuration scheme, and comprehensively analyzing the air conditioning system equipment configuration scheme from six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise;
and the selecting module 240 is used for constructing a judgment matrix of the hierarchical structure model, calculating the weight of the air conditioning system equipment configuration scheme, and selecting the scheme with the maximum weight as the equipment configuration scheme with the optimal comprehensive performance.
Specifically, the determination matrix for constructing the hierarchical structure model specifically includes:
sorting the influence degrees of the n factors on the target result, and comparing the n factors pairwise to obtain a judgment matrix A:
wherein, aijAnd for comparing the scale parameters, representing the comparison result of the ith factor relative to the jth factor, and taking a value according to the importance degrees of the two comparison factors.
Specifically, the calculating the weight of the configuration scheme of the air conditioning system device specifically includes:
and after comparing the importance degrees of the indexes pairwise, constructing judgment matrixes of each layer, and solving the weight coefficient of each index in each judgment matrix of each layer, wherein the index is one of six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise.
It will be appreciated that in one embodiment, the electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing steps S101-S104 when executing the computer program to implement the cruise air conditioning system equipment optimization.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by a program to instruct associated hardware, where the program may be stored in a computer-readable storage medium, and when the program is executed, the program includes steps S101 to S104, where the storage medium includes, for example: ROM/RAM, magnetic disk, optical disk, etc.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A method for selecting the type of equipment of an air conditioning system of a cruise ship is characterized by comprising the following steps:
according to design parameters of an air conditioning system in a shipbuilding planning book and the form of the air conditioning system, load calculation and air volume balance calculation of an air conditioning area are carried out by adopting a preset design standard;
determining at least two air-conditioning system equipment configuration schemes meeting classification society standards based on performance parameters provided by air-conditioning system equipment manufacturers;
constructing an optimal selection type hierarchical structure model of an air conditioning system equipment configuration scheme, and carrying out comprehensive analysis on the air conditioning system equipment configuration scheme from six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise;
and constructing a judgment matrix of the hierarchical structure model, calculating the weight of the air conditioning system equipment configuration scheme, and selecting the scheme with the maximum weight as the equipment configuration scheme with the optimal comprehensive performance.
2. The method of claim 1, wherein the predetermined design criteria are determined based on the region in which the vessel is sailing, including a national GB/T13409-92 standard for vessels on domestic airlines and an international ISO7547 standard for vessels on international airlines.
3. The method according to claim 1, wherein the decision matrix for constructing the hierarchical model is specifically:
sorting the influence degrees of the n factors on the target result, and comparing the n factors pairwise to obtain a judgment matrix A:
wherein, aijAnd for comparing the scale parameters, representing the comparison result of the ith factor relative to the jth factor, and taking a value according to the importance degrees of the two comparison factors.
4. The method according to claim 1, wherein the calculating the weight of the air conditioning system equipment configuration scheme is specifically:
and after comparing the importance degrees of the indexes pairwise, constructing judgment matrixes of each layer, and solving the weight coefficient of each index in each judgment matrix of each layer, wherein the index is one of six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise.
5. An apparatus for selection of type of cruise ship air conditioning system equipment, comprising:
the calculation module is used for performing load calculation and air quantity balance calculation of an air conditioning area by adopting a preset design standard according to design parameters of an air conditioning system in a shipbuilding planning book and an air conditioning system form;
the preselection module is used for determining at least two air-conditioning system equipment configuration schemes meeting classification society standards based on performance parameters provided by air-conditioning system equipment manufacturers;
the analysis module is used for constructing an optimal selection type hierarchical structure model of the air conditioning system equipment configuration scheme and comprehensively analyzing the air conditioning system equipment configuration scheme from six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise;
and the selection module is used for constructing a judgment matrix of the hierarchical structure model, calculating the weight of the air conditioning system equipment configuration scheme, and selecting the scheme with the maximum weight as the equipment configuration scheme with the optimal comprehensive performance.
6. The apparatus of claim 5, wherein the predetermined design criteria are determined according to the region in which the ship is sailing, including a national GB/T13409-92 standard adopted by ships on domestic airlines and an international ISO7547 standard adopted by ships on international airlines.
7. The apparatus according to claim 5, wherein the decision matrix for constructing the hierarchical model is specifically:
sorting the influence degrees of the n factors on the target result, and comparing the n factors pairwise to obtain a judgment matrix A:
wherein, aijAnd for comparing the scale parameters, representing the comparison result of the ith factor relative to the jth factor, and taking a value according to the importance degrees of the two comparison factors.
8. The apparatus of claim 5, wherein the calculating the weight of the configuration plan of the air conditioning system is specifically:
and after comparing the importance degrees of the indexes pairwise, constructing judgment matrixes of each layer, and solving the weight coefficient of each index in each judgment matrix of each layer, wherein the index is one of six dimensions of environmental protection, cost, energy efficiency ratio, size, weight and noise.
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| CN114637201A (en) * | 2022-03-11 | 2022-06-17 | 无锡赛思亿电气科技有限公司 | Dynamic control method for energy consumption of electric passenger liner entertainment facility |
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