CN112204559B - Measurement and control design auxiliary device - Google Patents
Measurement and control design auxiliary device Download PDFInfo
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- CN112204559B CN112204559B CN201880093973.0A CN201880093973A CN112204559B CN 112204559 B CN112204559 B CN 112204559B CN 201880093973 A CN201880093973 A CN 201880093973A CN 112204559 B CN112204559 B CN 112204559B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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Abstract
The measurement and control design auxiliary device decides a structure required by automatic control of the measurement and control equipment according to a basic measurement and control diagram comprising the measurement and control equipment and a connecting line connected with the measurement and control equipment, and the measurement and control design auxiliary device comprises: a control item DB (44) for storing a plurality of control items, the measurement and control devices corresponding to the control items, or component information, which is information of one or more measurement and control components required for executing the control items, in association with each other; a control item presentation unit (34) that refers to the control item DB (44) and extracts one or more candidates of a control item applicable to the measurement and control device and presents the extracted candidates to an operator; and an additional measurement and control map generation unit (36) that refers to the control item DB (44) to determine the measurement and control component corresponding to the control item selected by the operator, and that appends the determined measurement and control component to the basic measurement and control map.
Description
Technical Field
The specification discloses a measurement and control design auxiliary device, which determines a structure required by automatic control of measurement and control equipment according to a basic measurement and control diagram comprising a measurement and control component and a connecting line connected with the measurement and control component.
Background
Various devices are provided in facilities such as buildings and factories. For example, in a building, there are devices related to air conditioning, water supply and drainage, electric, and lighting. In addition, production facilities and management facilities are provided in the factory. In designing facilities such as buildings and factories, it is necessary to decide the arrangement of various devices in advance.
In addition, when such a design is performed, a measurement and control design is performed that determines the following structure: the states of various devices installed in the facility are measured, and the devices are automatically controlled based on the measurement results. The control design generally determines a control item to be executed for each device (control device) to be automatically controlled, and selects a component (control component) required for executing the control item. In addition, in the measurement and control design, a graph, so-called measurement and control graph, is generated which makes it possible to understand the connection relationship between the selected measurement and control components and the measurement and control equipment. And setting and maintaining the measurement and control component according to the generated measurement and control graph.
However, in the past, in order to perform such measurement and control design, a designer needs a lot of experience and knowledge. In addition, even a designer with sufficient experience and knowledge is involved in designing a measurement and control for a plurality of devices.
Prior art literature
Patent literature
Patent document 1: japanese patent laid-open No. 2008-192009
Patent document 2: japanese patent laid-open No. 11-338903
Disclosure of Invention
Problems to be solved by the invention
Here, many techniques for reducing the burden on a designer in such a facility design have been proposed. For example, patent document 1 discloses an automatic management point data generating device that automatically generates management point data. The management point data is data input to a central monitoring control device that performs automatic control of the control device. In order to automatically generate the management point data, patent document 1 sets an instance database in which measurement and control map data and management point data relating to a plurality of past cases are stored in advance, searches the instance database to acquire measurement and control map data and management point data of a selected similar past case, and generates management point data of a current case from the data of the similar past case.
According to this technique, the burden on the facility design can be reduced to some extent. However, patent documents 1 and 2 each assume that a measurement and control chart and P & ID data itself are created by a designer. However, in order to create the measurement and control chart, particularly, to select and arrange the measurement and control components necessary for determination, a lot of experience and a lot of labor and time are required, and the burden on the designer is large. In the prior art, the burden of creating such a measurement and control chart cannot be reduced, and as a result, the burden of a designer in the measurement and control design cannot be reduced sufficiently.
Accordingly, in the present specification, a test and control design assistance device capable of reducing the burden on a designer in a test and control design is disclosed.
Means for solving the problems
The measurement and control design assisting device disclosed in the specification assists measurement and control design, in which a structure required for automatic control of measurement and control equipment is determined according to a basic measurement and control diagram including the measurement and control equipment and a connection line connected with the measurement and control equipment, the measurement and control design assisting device is characterized in that: a control item database storing a plurality of control items, the measurement and control devices corresponding to the respective control items, and component information, which is information of one or more measurement and control components required for executing the respective control items, in association with each other; a control item presenting unit that refers to the control item database, extracts one or more candidates of a control item applicable to the measurement and control device shown in the basic measurement and control map, and presents the extracted one or more candidates of the control item to an operator; and an additional measurement and control map generation unit that refers to the control item database to determine the measurement and control component corresponding to the control item selected by the operator, and generates an additional measurement and control map in which the determined measurement and control component is attached to the basic measurement and control map.
In this case, the component information may include at least identification information of the measurement and control component and electrical or mechanical connection information of the measurement and control component, and the additional measurement and control map generating unit may be configured to attach the determined measurement and control component to the basic measurement and control map in such a manner that the connection state of the measurement and control component can be identified based on the connection information.
In this case, the measurement and control design support device may generate the basic measurement and control map based on a plan view showing a spatial layout, the measurement and control device, and a connection line connected to the measurement and control device.
In this case, the present invention may further include: a symbol database storing the measurement and control device and the connection line and symbols representing the measurement and control device and the connection line in the plan view in a corresponding manner; an equipment extraction unit that extracts the measurement and control equipment included in the plan view from the symbol database; a line extraction unit that extracts the connection line included in the plan view from the symbol database; and a basic measurement and control diagram generation unit that combines the extracted measurement and control equipment and the connection line to generate the basic measurement and control diagram.
Further, the system may further include a superimposed graph generating unit that generates a superimposed graph in which the additional measurement and control graph is superimposed on a plan view showing the spatial layout.
In this case, the superimposed map generating unit may be configured to divide the additional measurement and control map into one or more layers and superimpose the one or more layers on the plan view, and the operator may be able to select a layer to be displayed among the one or more layers.
In this case, the superimposed graph may be superimposed on the plan view by dividing the additional measurement and control graph into layers at least in units of control items.
Further, the measurement and control device may further include a component list generating unit that generates a list of the specified measurement and control components.
In this case, the control device may further include a component database that associates, for each type of the control device, identification information of one or more products corresponding to the type and selected conditions of the respective products, and the component list generating unit may compare the determined type of the control device and the value of the selected condition designated by the operator with the component database to determine the product of the control device.
Effects of the invention
According to the measurement and control design assistance device disclosed in the present specification, more than one candidate of a control item that can be applied to a measurement and control apparatus is prompted, and a measurement and control part required for the control item selected by an operator is automatically determined and attached to a basic measurement and control map. Therefore, the load of the designer in the measurement and control design can be reduced.
Drawings
Fig. 1 is a block diagram showing the physical structure of the test control design assistance device.
FIG. 2 is a functional block diagram of a measurement and control design assistance device.
Fig. 3 is a diagram showing an example of a plan view.
Fig. 4 is a diagram showing an example of a basic measurement and control diagram.
Fig. 5 is a diagram showing an example of the control item DB.
Fig. 6 is a diagram showing an example of a display screen displayed on the display when a candidate of a control item is presented.
Fig. 7 is a diagram showing an example of the main window Wm when "001 return air temperature control" is selected as a control item.
Fig. 8 is a diagram showing an example of the main window Wm when "002 return air humidity control" is additionally selected as a control item.
Fig. 9 is a diagram showing an example of the completed additional measurement and control diagram.
Fig. 10 is a diagram showing an example of the superimposed diagram.
Fig. 11 is a diagram showing an example of a display screen displayed on a display when the superimposed image is layered.
Fig. 12 is a diagram showing an example of the component DB.
Fig. 13 is a diagram showing an example of the parts list.
Fig. 14 is a flowchart showing a flow of generating a basic measurement and control chart from a plan view.
FIG. 15 is a flow chart illustrating a flow of generating additional measurement and control maps from the basic measurement and control map.
Detailed Description
The structure of the test control design support device 10 will be described below with reference to the drawings. Fig. 1 is a block diagram showing the physical structure of the survey and control design assistance apparatus 10. Fig. 2 is a functional block diagram of the test control design support device 10.
The measurement and control design assisting device 10 is a device for assisting measurement and control design in various facilities. Here, the measurement and control design is a design for measuring and controlling states of various devices mounted in a facility. Examples of such measurement and control designs include measurement and control designs related to air conditioning equipment in a building, measurement and control designs related to water supply and drainage equipment in a building, measurement and control designs related to various production equipment and management equipment in an industrial plant, and the like. In the following, an auxiliary device for assisting a measurement and control design related to air conditioning equipment in a building will be described as an example. However, the technology disclosed in this specification is not limited to building air conditioning equipment, but may also be applied to measurement and control design assistance related to other equipment.
The test and control design assistance device 10 is physically constructed of one or more computers driven according to a specific program. That is, as shown in fig. 1, the test and control design support apparatus 10 includes a CPU12, a storage device 14, an input device 16, an output device 18, and a communication interface (hereinafter referred to as "communication I/F20"), which are connected by a bus 22.
The CPU12 performs various operations. Specifically, the CPU12 reads the design support program stored in the storage device 14 in accordance with an instruction from an operator, and performs various operations necessary for the design support. The details of the processing performed by the CPU12 will be described later.
The storage device 14 is a device for storing various data (including programs), and is configured by combining one or more of semiconductor memories such as RAM and ROM, hard disk drives, solid-state drives, and the like. The memory device 14 stores a test control design support program for causing the CPU12 to execute a process of generating a test control chart, a process of generating the component list 70, and the like, which will be described later. The storage device 14 also stores data constituting a control item database 44 (hereinafter, simply referred to as "DB"), a symbol DB42, and a component DB46, which will be described later.
The input device 16 is a device that receives an operation instruction and data input from an operator, and is configured by combining one or more of a keyboard, a mouse, a touch panel, a microphone, a scanner that reads a drawing printed on a sheet, an imaging device, and the like. The output device 18 is a device that outputs various information to an operator, and is configured by combining one or more of a display, a speaker, and the like, for example. Although not shown in fig. 1, the test and control design support device 10 may include a printer that prints desired information on a sheet and outputs the information. The communication I/F20 exchanges data with other information terminals. The additional measurement and control map and the superimposed map generated by the present measurement and control design assistance device 10 can also be transmitted to other information terminals through the communication I/F20.
In fig. 1, the measurement and control design support apparatus 10 is illustrated as one computer, but the measurement and control design support apparatus 10 may be constituted by a plurality of computers capable of communicating with each other. Thus, for example, the test and control design assistance device 10 may be constituted by a main computer and a tablet terminal capable of communicating with the main computer and used by an operator at a work site. The various DBs may be stored in other computers that can communicate with the host computer and function as data servers.
Fig. 2 is a functional block diagram of the test and control design assistance device 10. The measurement and control design assisting device 10 is roughly divided into: a first module B1 that generates a basic measurement and control map 52 from the plan view 48; a second module B2 for generating an additional measurement and control map 64 by adding measurement and control components required for automatic control of the measurement and control equipment to the basic measurement and control map 52; a third module B3 that generates further information using the additional measurement and control map 64 and the plan map 48; and a fourth module B4 having three DBs referred to in the first to third modules B3. The functions of the first to third modules B1 to B3 are exclusively realized by the CPU12, and the functions of the fourth module B4 are exclusively realized by the storage device 14.
Here, the plan view is a device diagram in which a measurement and control device and a pipe and a piping (hereinafter, referred to as "connection line" without distinguishing the pipe and the piping) to which the measurement and control device is connected are depicted in a plan layout view of a facility (in this example, a building). As the equipment diagram (plan view), there are an electric equipment diagram depicting electric equipment and the like, a water supply and drainage equipment diagram depicting water supply and drainage equipment, an air conditioning equipment diagram depicting air conditioning equipment and the like, but in this example, since measurement and control design is performed in relation to air conditioning equipment, the air conditioning equipment diagram is treated as a plan view.
In addition, the measurement and control device refers to a device whose positional relationship with the spatial layout is important, and refers to a device that is an object of measurement and control design. In this example, since the air conditioning equipment is to be controlled and designed, the air conditioning equipment such as an air conditioning unit (Air Handling Unit, hereinafter referred to as "AHU"), a cabinet air conditioner, a cooling tower, and a boiler is used as the control equipment. Since the positional relationship between such a measurement and control device and the spatial layout is important, it is depicted in a plan view.
The basic measurement and control diagram is a diagram showing the connection relationship between the measurement and control device and the connection line. In this example, the basic measurement and control map is automatically generated from the plan view. In the basic measurement and control diagram, the measurement and control equipment is divided into a plurality of constituent elements for drawing according to the need. For example, although the AHU is depicted as a single element in plan view, in the basic measurement and control diagram, the AHU is depicted as being divided into a plurality of elements such as an air filter, a hot and cold water coil, a humidifier, and a fan that constitute the AHU. This is to make it easy to understand the connection relationship between the measurement and control member and each element described later.
The additional measurement and control diagram is a diagram in which more than one measurement and control component required for automatic control of the measurement and control equipment is added to the basic measurement and control diagram, and is a diagram showing the connection relationship between the measurement and control equipment and the more than one measurement and control component. Here, as described above, the measurement and control part refers to equipment required for automatically controlling the measurement and control equipment, and is equipment in which the positional relationship in the spatial layout is not important, but the connection relationship with the measurement and control equipment is important. The measurement and control unit includes, for example, a programmable controller (hereinafter, referred to as "PLC") that processes signals necessary for control, sensors that detect various physical quantities, actuators that drive the respective units, valves that open and close the flow paths, relays that connect/disconnect electrical signals, and the like. In the additional control diagram, the connection between such a control element and the control device is graphically depicted.
Next, a functional block diagram shown in fig. 2 will be described as a specific example. The drawing reading unit 24 reads the plan view 48 of the facility to be subjected to the reading, and converts the plan view 48 into a data format that can be referred to by the device extracting unit 26 and the like at the subsequent stage. For example, when the plan view 48 is input so as to be printed on a sheet of paper, the drawing reading unit 24 includes a scanner or an imaging device that reads the plan view 48 of the sheet of paper and digitizes it. In this case, the drawing reading unit 24 reads the input digital data, and if necessary, converts the data format. The drawing reading unit 24 then outputs the plan view data in the desired data format to the line extraction unit 28, the equipment extraction unit 26, and the superimposed drawing generation unit 38. In addition, although only the plan view 48 is input to the test and control design support device 10, various design conditions (for example, an air conditioning system, a duct size, and the like) may be input to the test and control design support device 10 together with the plan view 48.
Fig. 3 is a schematic diagram of a plan view 48. As shown in fig. 3, the plan view 48 includes a figure showing a plan layout, a figure showing a measurement and control device (including characters), and a figure showing a pipe and/or a piping connected to the measurement and control device (including characters). For ease of explanation, the plan view 48 shown in fig. 3 is greatly simplified as compared with the normal plan view 48. In addition, the figure showing the device in fig. 3 is also different from the figure used in the actual plan view 48.
The device extraction section 26 extracts the measurement and control device from the plan view 48. In this extraction, the device extraction unit 26 refers to the symbol DB42. The symbol DB42 stores a figure (hereinafter referred to as "device symbol") indicating a measurement and control device and a figure (hereinafter referred to as "line symbol") indicating a connection line in the plan view 48. For example, in this example, in plan view 48, the AHU is represented as a graphic enclosing the character "AHU" with a square. In plan view 48, the return air duct is represented by a line labeled with the character "RA". In the symbol DB42, the graph (device symbol) representing the measurement and control device and the graph (line symbol) representing the connection line in the plan view 48 are stored in association with the identification information of the corresponding measurement and control device and connection line.
The device extraction unit 26 extracts a pattern matching the device symbol from the inputted plan view 48 by using a method such as image matching. The extraction may be performed on all the device symbols stored in the symbol DB42, or may be performed only on the device symbols of the group designated in advance by the operator. For example, in the air conditioning design of a building, an air conditioning system is determined at a relatively early stage, and air conditioning equipment that may be used is limited to some extent according to the air conditioning system. Therefore, when the operator has input the air conditioning system as one of the design conditions, only the air conditioning equipment that is likely to be used in the air conditioning system may be limited to the extraction target. With this configuration, the calculation amount of the measurement and control design support device 10 can be reduced. When a figure matching the device symbol is found in the plan view 48, the device extraction unit 26 outputs, to the connection interpretation unit 30, identification information of the measurement and control device corresponding to the device symbol and a drawing position of the figure within the plan view 48.
The line extraction unit 28 extracts connection lines (pipes and tubes) from the plan view 48 by using a method such as image matching. In this extraction, the line extraction unit 28 refers to the symbol DB42. When a figure conforming to the line symbol is found in the plan view 48, the device extraction section 26 further extracts a line connected to the line symbol. Then, when the line symbol and the line connected to the line symbol are all extracted, the device extraction unit 26 outputs the identification information of the connection line corresponding to the line symbol and the drawing position of the line connected to the line symbol in the plan view 48 to the connection interpretation unit 30.
The extraction of the connection line may be performed for all the line symbols stored in the symbol DB42, or may be performed only for the line symbols of the group designated in advance by the operator. In addition, when the equipment extraction and the line extraction are performed, the result of the extraction may be displayed on a display so that the operator can confirm the quality of the extraction result. For example, the plan view 48 may be displayed on a display, and only the measurement and control devices and connection lines (for example, highlighting, different color display, marking, etc.) extracted from the plan view 48 may be displayed in a special form. In addition, when there is an error in the extraction result, the operator can also correct by a manual operation.
The connection interpretation section 30 interprets the connection relationship between the measurement and control device and the connection line depicted in the plan view 48, based on the information input from the device extraction section 26 and the line extraction section 28. For example, in the case where the end of the line representing one return air pipe reaches the equipment symbol representing the AHU, the connection interpretation section 30 interprets that the return air pipe is connected to the AHU. The result of such interpretation is output to the basic measurement and control map generation unit 32.
The basic measurement and control map generation unit 32 generates a basic measurement and control map from the interpretation result of the connection interpretation unit 30. As described above, the basic measurement and control diagram is a diagram graphically representing the measurement and control apparatus and the connection lines to the measurement and control apparatus. Fig. 4 is a diagram showing an example of the basic measurement and control diagram 52. Here, as can be seen from fig. 4, in the basic measurement and control diagram 52, the measurement and control apparatus is represented by a diagram suitable for the measurement and control diagram. That is, even with the same measurement and control device, the pattern used in the plan view 48 may be different from the pattern used in the measurement and control view. For example, in plan view 48, the AHU is depicted as a single element using a graphic surrounded by a square with the character "AHU". On the other hand, in the measurement and control diagram, the AHU is divided into 4 elements (air filter 54, hot/cold water coil 56, humidifier 58, fan 60) constituting the AHU, and is depicted. In the symbol DB42, the device symbol used in the measurement and control chart is also recorded in this way. The basic measurement and control map generation unit 32 refers to the symbol DB42, and generates a basic measurement and control map 52 corresponding to the interpretation result of the connection interpretation unit 30.
The basic measurement and control chart 52 is prepared for each predetermined unit. For example, typically, an AHU is connected to a heat source unit (boiler, chiller, cooling tower), but the AHU and heat source unit are fabricated as different basic measurement and control maps 52. When the basic measurement and control map 52 is created for each of the plurality of measurement and control devices installed in the building, the processing of the basic measurement and control map creation unit 32 ends.
When the basic measurement and control map 52 is generated, the operator performs measurement and control design based on the generated plurality of basic measurement and control maps 52. The second module B2 of the measurement and control design assisting device 10 assists the measurement and control design. Specifically, the operator selects a basic measurement and control map 52 corresponding to a measurement and control device to be subjected to measurement and control design from among the generated plurality of basic measurement and control maps 52. The control item presenting unit 34 determines candidates of control items corresponding to the measurement and control devices (basic measurement and control map 52) selected by the operator, and presents the candidates to the operator. The control items include, for example, a control item corresponding to the AHU, such as a return air temperature control for maintaining a return air temperature at a predetermined value, a return air humidity control for maintaining a return air humidity at a predetermined value, and a warm-up control for prohibiting humidification in a warm-up control.
When determining the candidate of the control item, the control item presenting unit 34 refers to the control item DB44. In the control item DB44, each measurement and control device, a control item applicable to the measurement and control device, and a measurement and control part required for realizing the control item are stored in correspondence. Fig. 5 is a schematic diagram showing an example of the control item DB44. As shown in fig. 5, in the control item DB44, a control item (second column from left in fig. 5) and a device element (third column from left in fig. 5) as a precondition for executing the control item are stored in association with each other. For example, if the apparatus is not provided with the return air duct (RA) and the hot and cold water coil 56 (CHC) that adjusts the temperature of the return air duct, the return air temperature control cannot be performed. Therefore, regarding the return air temperature control, as a precondition element, a return air duct (RA) and a hot and cold water coil 56 (CHC) are associated therewith. Also, if not a device having a return air duct (RA) and a humidifier 58 that adjusts the humidity of the return air duct, return air humidity control cannot be performed. Therefore, regarding the return air humidity control, as a precondition element thereof, a return air duct (RA) and a humidifier 58 are associated therewith. In addition, although each control item is associated with a constituent element of the measurement and control device, the control item may be associated with the measurement and control device itself and stored. For example, for the return air temperature control and the return air humidity control, as the precondition elements, the "AHU" may be recorded correspondingly. In summary, in the control item DB44, the control items are stored in the form of: when a measurement and control device is selected, control items applicable to the measurement and control device can be determined.
In addition, for each control item, component information, which is information of one or more measurement and control components necessary for realizing the control item, is also associated. The component information includes at least identification information (column 4 from the left in fig. 5) of the measurement and control component and a mechanical connection state and an electrical connection state ( columns 5 and 6 from the left in fig. 5) of the measurement and control component. For example, the return air temperature control is control to maintain the return air temperature at a desired target temperature. In the case of performing this return air temperature control, a Thermosensitive Element (TED) for measuring the return air temperature, an electromagnetic two-way valve (MV 1) for controlling the flow rate of cold water to be sent from the cold/hot water coil 56 to the cold water tank, and a PLC66 for controlling the driving of the electromagnetic two-way valve according to the measurement result of the thermosensitive element are required. Accordingly, in the control item DB44, the PLC66, the electromagnetic two-way valve (MV 1), and the thermo-sensitive element (TED) are recorded for the item "return air temperature control". In addition, the mechanical connection relationship and the electrical connection relationship of the measurement and control part are also recorded in the control item DB 44. For example, in the case of a heat sensitive element for return air temperature control, as shown in fig. 5, information indicating that the control item DB44 is provided in the return air duct (RA) in terms of mechanical connection and is connected to the analog input (Ai) of the PLC66 in terms of electrical connection is recorded. As shown in fig. 5, in the control item DB44, explanatory characters indicating the contents of each control item may be further recorded for each control item (first column from right in fig. 5).
The control item presenting unit 34 presents candidates of control items corresponding to the measurement and control devices selected by the operator with reference to the control item DB 44. Fig. 6 is a diagram showing an example of a display screen displayed on the display when a candidate of a control item is presented. In the example of fig. 6, the display screen includes a main window Wm displaying the measurement and control map and a sub window Ws displaying a candidate list 62 of control items. In the sub window Ws, a candidate list 62, which is a list of control items selectable by the measurement and control device displayed in the main window Wm, is displayed. The display order of the candidates may be appropriately sorted according to the frequency of use or the like. That is, the control item DB44 may record the past number of times of use of each control item, and display the control item having the larger number of times of use in the front. Further, candidates for such control items may be locked by keywords desired by the operator and types of control parameters (for example, temperature, humidity, and the like). For example, when the operator designates "temperature" as the control parameter, only the control item having "temperature" as the control parameter may be displayed as a candidate.
When a control item is selected by the operator, the additional measurement and control map generation section 36 refers to the control item DB44 to determine a measurement and control component corresponding to the control item, and adds it to the basic measurement and control map 52. For example, when "001 return air temperature control" is selected by the operator, the additional measurement and control map generating unit 36 refers to the control item DB44 to identify a measurement and control component corresponding to the control item. In the example of fig. 5, the thermo-sensitive element (TED), the electromagnetic two-way valve (MV 1), and the PLC are determined as measurement and control components corresponding to "001 return air temperature control".
When the measurement and control part is determined, the additional measurement and control diagram generating section 36 then attaches the measurement and control part to the basic measurement and control diagram 52. At this time, the additional measurement and control map generating unit 36 refers to the control item DB44 to determine the connection relation between the measurement and control components, and adds the measurement and control components so that the connection state can be recognized. Fig. 7 is a diagram showing an example of the main window Wm when "001 return air temperature control" is selected as a control item for the measurement and control equipment of the AHU. In the example of fig. 7, in addition to a plurality of components constituting an AHU as a measurement and control device, a PLC, a thermo-element (TED), and an electromagnetic two-way valve (MV 1) required for return air temperature control are graphically depicted in the main window Wm. Further, according to the control item DB44, the thermosensitive element is mechanically arranged on the return air duct (RA) and electrically connected to the analog input (Ai) of the PLC. The electromagnetic two-way valve is mechanically disposed on the cooling water tank line CHR and electrically connected to the analog output (Ao) of the PLC. Further, the name and explanatory character of the currently selected control item are displayed on the upper right side of the chart.
In this state, when the operator further additionally selects another control item, the measurement and control part corresponding to the other control item is further added to the additional measurement and control map 64. For example, when the operator additionally selects "002 return air humidity control" as the control item, the main window Wm is in the state shown in fig. 8. In the example of fig. 8, a humidity sensor (HD) and a relay (R), which are measurement and control components necessary for controlling the humidity of the return air, are additionally depicted in the additional measurement and control chart 64. In addition, although a PLC is also required for the return air humidity control, the PLC is also used for the return air temperature control, and therefore one PLC is shared for the return air temperature control and the return air humidity control. The humidity sensor is mechanically disposed in the return air duct (RA) and electrically connected to the digital input (Di) of the PLC according to the connection status recorded in the control item DB 44. Further, the relay is mechanically connected to the humidifier 58 and electrically connected to the digital output (Do) of the PLC.
The operator thus repeatedly performs the process of selecting the control item. Then, if all the desired control items are selected and the measurement and control components corresponding to these control items have been added to the measurement and control map, the addition of the measurement and control map 64 is completed. Fig. 9 is a diagram showing an example of the completed additional measurement and control map 64.
The overlay generating unit 38 generates an overlay 68 in which the additional measurement and control map 64 is superimposed on the read plan 48. Fig. 10 is a diagram illustrating an example of the superimposed diagram 68. As shown in FIG. 10, it is preferred that the additional measurement and control map 64 be superimposed on the position of the configuration measurement and control device of the plan view 48. As can be seen from fig. 10, the additional measurement and control chart 64 is generally very large compared with the symbol of the measurement and control apparatus described in the plan view 48. Therefore, in the superimposed graph 68, a part of the information described in the plan view 48 is hidden from view by the additional measurement and control graph 64. In addition, in the design/construction site, there are cases where only information related to a specific control item is to be referred to.
Therefore, in the superimposed graph 68, the additional measurement and control graph 64 may be superimposed on the plan view 48 by being divided into one or more layers, and only the layers selected by the operator may be displayed. For example, when a plurality of additional measurement and control charts 64 are superimposed on one plan view 48, the display/non-display may be selected for each additional measurement and control chart 64 (each measurement and control device). In addition, when one additional measurement and control chart 64 corresponds to a plurality of control items, the display/non-display may be selected for each control item.
Fig. 11 is a diagram showing an example of a display screen displayed on the display in this case. As shown in fig. 11, the display screen includes a main window Wm displaying the overlay 68 and a sub-window Ws displaying the view control screen. In the view control screen (sub-window Ws), the layer structure of the overlay 68 relating to one building is displayed hierarchically, and the display/non-display of each layer can be selected.
More specifically, in the example of fig. 11, in the view control screen (sub-window Ws), an icon A1 indicating "floor number" is arranged at layer 1, an icon A2 indicating "measurement and control device" is arranged at layer 2, and an icon A3 indicating "control item" is arranged at layer 3. When one icon A1 indicating the "floor number" is selected, a plan view 48 corresponding to the floor number is displayed in the main window Wm, and the icon A2 of the "measurement and control device" pulled down at the floor number is expanded and displayed in the sub window Ws. By clicking the icon A2 of the "measurement and control device" displayed by expansion, the display/non-display of the additional measurement and control map 64 corresponding to the measurement and control device is switched. When the display of the additional measurement and control chart 64 is instructed, the additional measurement and control chart 64 corresponding to the measurement and control device is displayed superimposed on the plan view 48 in the main window Wm, and the icon A3 of the "control item" pulled down at the measurement and control device is displayed in the sub-window Ws in an expanded manner. By clicking the icon A3 of the "control item" displayed in the expanded state, the display/non-display of the measurement and control part corresponding to the control item is switched. In the main window Wm, only the measurement and control part to be used in the displayed selected control item is displayed in the additional measurement and control chart 64.
Next, the component list generating unit 40 generates a list of measurement and control components from the generated additional measurement and control map 64. At this time, the component list generating unit 40 refers to the component DB46 to determine the specific product of the measurement and control component. That is, even the same measurement and control part, there are a plurality of products having different specifications. For example, there are a plurality of products having different specifications such as valve sizes of electromagnetic two-way valves. Here, the valve size is determined according to the area of the pipe/tube to be installed. In other words, it can be said that the pipe/tubing size is a selected condition for selecting a specific product of the electromagnetic two-way valve.
In the component DB46, such values of the selected conditions for the selected products and the corresponding products are recorded correspondingly. Fig. 12 is a diagram showing an example of the component DB 46. As shown in fig. 12, the component DB46 includes a selection table 47 for each measurement and control component, and identification information (for example, model number) of the product and a value of a selected condition (for example, a value of a pipe size) are recorded in each selection table 47. The selection table 47 may also contain information required for the price of each product, the manufacturer, etc. to create a quotation and an order.
The component list generating unit 40 refers to the component DB46 to select a product of the measurement and control component that meets the selected condition. In addition, a specific value of the selected condition (for example, a value of the pipe size to be used) may be input in advance as one of the design conditions to the design assistance device, or may be input by the operator at the time of generating the part list.
The form of the generated parts list 70 may be changed as appropriate according to an instruction from the operator. For example, all the measurement and control components used in one building may be collected in one component list 70, or different component lists 70 may be generated according to the measurement and control components used in each floor or each measurement and control device. Further, as the information contained in the component list 70, in addition to the common names of the measure and control components to be used, the number, the product name (or the product model number), the unit price, and the like may be contained. Further, for the parts list 70, locking and sorting may also be able to be performed appropriately according to an instruction of the operator. Fig. 13 is a diagram showing an example of the parts list 70. In the example of fig. 13, the parts list 70 shows the common names, model numbers, unit prices, and numbers of the measure and control parts.
Next, a flow of the test control design support device 10 using the above configuration will be described with reference to fig. 14 and 15. Fig. 14 is a flowchart showing a flow of generating the basic measurement and control chart 52 from the plan view 48, that is, a flow of processing in the first module B1 of fig. 2. Fig. 15 is a flowchart showing a flow of generating the additional measurement and control chart 64 from the basic measurement and control chart 52, that is, a flow of processing in the second module B2 of fig. 2.
In the case of generating the basic measurement and control map 52, a plan map 48 in which measurement and control devices are depicted in a spatial layout is generated in advance. In the case where there are N floor plans 48 associated with one building, the operator inputs the N floor plans 48 into the survey and control design assistance apparatus 10 through the input device 16. For example, in the case where the plan view 48 is a drawing printed out on a sheet, the operator converts the plan view 48 into electronic data using a scanner or an image pickup device. In addition, in the case where the plan view 48 is electronic data (for example, CAD data, image data, or the like) stored in the storage section of the survey and control design assistance device 10, the operator operates the input device 16 such as a mouse or a keyboard to select the file name of the electronic data.
The drawing reading unit 24 reads the N plan views 48 (S10). The N read plan views 48 are sent to the equipment extracting unit 26 and the line extracting unit 28. Further, the value of the parameter n is initialized to n=1 (S12). In this state, the equipment extracting unit 26 and the line extracting unit 28 refer to the symbol DB42, and extract the measurement and control equipment and the connection line (pipe or piping) from the nth plan view 48 (S14, S16). The extraction result is sent to the connection interpretation section 30. The connection interpretation section 30 interprets the connection relationship between the measurement and control device and the connection line based on the extraction result (S18), and supplies the interpretation result to the basic measurement and control map generation section 32. The basic measurement and control map generation unit 32 generates a basic measurement and control map 52 from the interpretation result (S20). That is, a graph is generated that converts the measurement and control device into a suitable measurement and control graph (for example, one measurement and control device is converted into a plurality of elements), and a connection pipe is connected to each measurement and control graph. Since the basic measurement and control map 52 is generated for each measurement and control device in principle, in the case where k measurement and control devices are included in one plan view 48, k basic measurement and control maps 52 are generated from one plan view 48.
When the basic measurement and control map 52 is generated from the nth plan view 48, it is then determined whether the parameter N has reached the number N of plan views 48 (S22). In the case where n=n is the result of the judgment, the generation of the basic measurement and control map 52 is completed. On the other hand, when N < N, the parameter N is increased (S24), and then steps S14 to S20 are repeated.
The procedure for generating the basic measurement and control map 52 described here is an example, and may be changed as needed. For example, after the basic measurement and control map 52 is generated, the operator may also perform the quality judgment process and the correction process for the generated basic measurement and control map 52. Further, the basic measurement and control map 52 may be generated only for the plan view 48 desired by the operator without generating the basic measurement and control map 52 for all of the N plan views 48.
Next, a flow of generating the additional measurement and control map 64 from the basic measurement and control map 52 will be described with reference to fig. 15. When the basic measurement and control map 52 is generated, the operator selects a measurement and control device that wants to perform measurement and control design (S26). When the operator selects the measurement and control device, the control item presenting unit 34 refers to the control item DB44 and presents candidates of control items applicable to the selected measurement and control device to the operator (S28). Then, the process is put on standby until the operator selects a control item (yes in S30) or an end instruction (yes in S36). When the control item is selected by the operator, the additional measurement and control map generating section 36 refers to the control item DB44 to determine a measurement and control component necessary for the selected control item (S32). Then, the determined measurement and control part is added to the basic measurement and control chart 52, and an additional measurement and control chart 64 is generated (S34). Then, the steps S28 to S34 are repeated until an end instruction is given from the operator.
When an end instruction is made from the operator (yes in S36), the generation of the additional measurement and control map 64 relating to the current measurement and control apparatus is ended. Then, if the next measurement and control device is selected, steps S28 to S34 are repeated again. On the other hand, when the additional measurement and control map 64 is generated for all the measurement and control devices (yes in S40), all the processing ends.
The generated additional measurement and control map 64 is stored in the storage section together with information indicating which measurement and control device corresponds to in the plan view 48. The stored additional measurement and control graph 64 is then used for the generation of the overlay graph 68 and the generation of the parts list 70.
As is clear from the above description, according to the technology disclosed in the present specification, candidates of applicable control items are presented for each measurement and control device. Therefore, even if the operator lacks experience and knowledge, the control item suitable for the measurement and control apparatus can be appropriately selected. Further, according to the technology disclosed in the present specification, a measurement and control part corresponding to a control item selected by an operator is automatically determined and attached to a measurement and control map. Therefore, the operator does not need to specify the components or consider the connection relationship of the components, and the load on the operator can be significantly reduced. In addition, even if the operator lacks experience and knowledge, an appropriate measurement and control part can be configured in an appropriate connection relationship. That is, according to the technology disclosed in the present specification, the measurement and control design can be performed more simply.
Further, in accordance with the techniques disclosed herein, a base measurement and control map 52 is automatically generated from the plan view 48. As a result, the labor and time required for generating the basic measurement and control map 52 can be significantly reduced. Further, according to the technique of the present specification, a superimposed graph 68 is generated that combines the plan view 48 and the additional measurement and control graph 64. Therefore, the space layout and the measurement and control design content can be simultaneously mastered, so that the installation engineering and maintenance of the measurement and control component can be more simply performed. Further, according to the technology of the present specification, a list of measurement and control components can be automatically generated. Therefore, the labor and time for quotation, order, component management, and the like can be further reduced.
The configuration described above is merely an example, and the control design support device 10 may be appropriately modified for other configurations as long as it includes at least the control item DB44, the control item presenting unit 34 for presenting candidates of control items with reference to the control item DB44, and the determination of the control component and the additional map generating unit 36 for adding the control component corresponding to the control item selected by the operator. Thus, the basic measurement and control map 52 and the measurement and control design assistance device 10 may also be generated by completely different devices. The test and control design support device 10 may not have the functions of the generation unit list 70 and the overlay 68. In the description so far, only the device for supporting the measurement and control design of the building air conditioning apparatus has been described, but the measurement and control design supporting device may also support the measurement and control design of other apparatuses.
Description of the reference numerals
10: a measurement and control design auxiliary device; 12: a CPU;14: a storage device; 16: an input device; 18: an output device; 20: a communication I/F;22: a bus; 24: a drawing reading unit; 26: an equipment extraction unit; 28: a line extraction unit; 30: a connection interpretation unit; 32: a basic measurement and control diagram generation part; 34: a control item presentation unit; 36: an additional measurement and control diagram generating part; 38: a superimposed graph generation unit; 40: a part list generation unit; 42: a symbol DB;44: a control item DB;46: a component DB;47: selecting a table; 48: a plan view; 52: a basic measurement and control diagram; 54: an air filter; 56: a cold and hot water coil; 58: a humidifier; 60: a fan; 62: a candidate list; 64: attaching a measurement and control graph; 68: superposing the drawings; 70: a parts list; a1 to A3: an icon; b1: a first module; b2: a second module; b3: a third module; b4: a fourth module; wm: a main window; ws: a sub-window.
Claims (9)
1. A measurement and control design assisting apparatus that assists a measurement and control design in which a structure required for automatic control of a measurement and control device is determined based on a basic measurement and control diagram including the measurement and control device and a connection line connected to the measurement and control device, characterized by comprising:
A control item database storing a plurality of control items, the measurement and control devices corresponding to the respective control items, and component information, which is information of one or more measurement and control components necessary for executing the respective control items, in association with each other;
a control item presenting unit that refers to the control item database, extracts one or more candidates of a control item applicable to the measurement and control device shown in the basic measurement and control map, and presents the extracted one or more candidates of the control item to an operator; and
an additional measurement and control map generation unit that refers to the control item database to identify the measurement and control component corresponding to the control item selected by the operator, and generates an additional measurement and control map in which the identified measurement and control component is added to the basic measurement and control map.
2. The measurement and control design assisting device according to claim 1, wherein,
the component information at least comprises identification information of the measurement and control component and electrical or mechanical connection information of the measurement and control component,
the additional measurement and control diagram generating part attaches the determined measurement and control component to the basic measurement and control diagram in a form capable of identifying the connection state of the measurement and control component according to the connection information.
3. The measurement and control design assisting device according to claim 1 or 2, characterized in that,
the measurement and control design auxiliary device generates the basic measurement and control diagram according to the plan view showing the space layout, the measurement and control equipment and the connecting circuit connected with the measurement and control equipment.
4. The measurement and control design support device according to claim 3, further comprising:
a symbol database storing the measurement and control device and the connection line and symbols representing the measurement and control device and the connection line in the plan view in a corresponding manner;
an equipment extraction unit that extracts the measurement and control equipment included in the plan view from the symbol database;
a line extraction unit that extracts the connection line included in the plan view from the symbol database; and
and the basic measurement and control diagram generating part is used for combining the extracted measurement and control equipment with the connecting circuit to generate the basic measurement and control diagram.
5. The measurement and control design assisting device according to claim 1 or 2, characterized in that,
the measurement and control design support device further includes a superimposed graph generating unit that generates a superimposed graph in which the additional measurement and control graph is superimposed on a plan view showing a spatial layout.
6. The measurement and control design assisting device according to claim 5, wherein,
the superimposed graph generating unit is configured to divide the additional measurement and control graph into one or more layers and superimpose the one or more layers on the plan view, and an operator can select a layer to be displayed among the one or more layers.
7. The measurement and control design assisting device according to claim 6, wherein,
the overlay graph is used for dividing the additional measurement and control graph into layers at least by taking control items as units and overlaying the additional measurement and control graph on the plane graph.
8. The measurement and control design assisting device according to claim 1 or 2, characterized in that,
the measurement and control design support device further includes a component list generation unit that generates a list of the specified measurement and control components.
9. The measurement and control design assisting device according to claim 8, wherein,
the test control design support device further comprises a component database which associates, for each type of the test control component, identification information of one or more products corresponding to the type with selected conditions of the respective products,
the parts list generating section compares the determined kinds of the measure and control parts and values of selected conditions specified by an operator with the parts database to determine products of the measure and control parts.
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| PCT/JP2018/020857 WO2019229911A1 (en) | 2018-05-30 | 2018-05-30 | Instrumentation design assistance device |
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| JP7442762B1 (en) | 2023-06-19 | 2024-03-05 | 横河電機株式会社 | Plant drawing line detection system, plant drawing line detection method, and plant drawing line detection program |
| JP7435886B1 (en) | 2023-06-19 | 2024-02-21 | 横河電機株式会社 | Plant drawing symbol detection system, plant drawing symbol detection method, and plant drawing symbol detection program |
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| JPWO2019229911A1 (en) | 2020-09-17 |
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