Abnormality determination system, abnormality determination method, and program

Abstract

To provide an abnormality determination system, an abnormality determination method, and a program capable of determining whether the operating conditions of one or more facilities are normal or abnormal.SOLUTION: An abnormality determination system 1 includes a first acquisition unit 11, a second acquisition unit 12, a determination unit 14, and an output unit 15. The first acquisition unit 11 acquires first information. The first information includes at least one of pieces of power information concerning power consumptions of one or more facilities E1 and pieces of node information concerning on / off conditions of one or more nodes 41 interconnected between the one or more facilities E1 and a power supply PS1. The second acquisition unit 12 acquires second information concerning transition patterns of the operating conditions of the one or more facilities E1. The determination unit 14 determines based on the first information and the second information whether the operating conditions of the one or more facilities E1 are normal or abnormal. The output unit 15 outputs output information based on a result of determination by the determination unit 14.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to an abnormality determination system, an abnormality determination method, and a program. More specifically, the present disclosure relates to an abnormality determination system, an abnormality determination method, and a program that determine whether the operating state of one or more pieces of equipment is normal. [Background technology]

[0002] Patent Document 1 discloses a drainage pump device used to drain water from a pit in a hydroelectric power plant. This drainage pump device includes first and second drainage pumps, two motors for driving the first and second drainage pumps, respectively, a drainage pump circuit for controlling the operation of the two motors, and a water level detection means for detecting the water level.

[0003] The drainage pump circuit starts operation of a leading drainage pump of the first drainage pump and the second drainage pump when the water level detection means detects a first water level. The drainage pump circuit starts operation of a trailing drainage pump of the first drainage pump and the second drainage pump when the water level detection means detects a second water level higher than the first water level. The drainage pump circuit switches between leading and trailing of the first drainage pump and the second drainage pump each time a series of drainage operations by either or both of the first drainage pump and the second drainage pump is completed. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2007-162659 Summary of the Invention [Problem to be solved by the invention]

[0005] The drain pump circuit described above controls the operating states of the first drain pump and the second drain pump (one or more pieces of equipment) to operating states corresponding to the detection results of the water level detection means. Therefore, simply monitoring the current operating states of the first drain pump and the second drain pump does not allow for determining whether the operating states of the first drain pump and the second drain pump are correctly controlled to operating states corresponding to the detection results of the water level detection means.

[0006] An object of the present disclosure is to provide an abnormality determination system, an abnormality determination method, and a program that can determine whether the operating state of one or more pieces of equipment is normal or abnormal. [Means for solving the problem]

[0007] An abnormality determination system according to one aspect of the present disclosure includes a first acquisition unit, a second acquisition unit, a determination unit, and an output unit. The first acquisition unit acquires first information. The first information includes at least one of power information related to the power consumption of one or more pieces of equipment and contact information related to the on / off of one or more contact units connected between the one or more pieces of equipment and a power source. The second acquisition unit acquires second information related to a transition pattern of the operating state of the one or more pieces of equipment. The determination unit determines whether the operating state of the one or more pieces of equipment is normal or abnormal based on the first information and the second information. The output unit outputs output information based on the determination result of the determination unit.

[0008] An abnormality determination method according to one aspect of the present disclosure includes a first acquisition process, a second acquisition process, a determination process, and an output process. The first acquisition process acquires first information. The first information includes at least one of power information related to the power consumption of one or more pieces of equipment and contact information related to the on / off of one or more contact points connected between the one or more pieces of equipment and a power source. The second acquisition process acquires second information related to a transition pattern of the operating state of the one or more pieces of equipment. The determination process determines whether the operating state of the one or more pieces of equipment is normal or abnormal based on the first information and the second information. The output process outputs output information based on the determination result of the determination process.

[0009] A program according to one embodiment of the present disclosure is a program for causing a computer system to execute a first acquisition process, a second acquisition process, a determination process, and an output process. The first acquisition process acquires first information. The first information includes at least one of power information regarding the power consumption of one or more pieces of equipment and contact information regarding the on / off of one or more contact points connected between the one or more pieces of equipment and a power source. The second acquisition process acquires second information regarding a transition pattern of the operating state of the one or more pieces of equipment. The determination process determines whether the operating state of the one or more pieces of equipment is normal or abnormal based on the first information and the second information. The output process outputs output information based on the determination result of the determination process. [Effects of the Invention]

[0010] According to the present disclosure, it is possible to determine whether the operating status of one or more pieces of equipment is normal or abnormal. [Brief explanation of the drawings]

[0011] [Figure 1] FIG. 1 is a schematic block diagram of an abnormality determination system according to an embodiment of the present disclosure. [Figure 2] FIG. 2 is a time chart illustrating the operation of the above. [Figure 3] FIG. 3 is a sequence diagram illustrating the operation of the above embodiment. [Figure 4] FIG. 4 is a schematic block diagram of an abnormality determination system according to the first modification. [Figure 5] FIG. 5 is a sequence diagram illustrating the operation of the abnormality determination system according to the second modification. DETAILED DESCRIPTION OF THE INVENTION

[0012] An abnormality determination system and an abnormality determination method according to embodiments will be described in detail below with reference to the drawings. Note that the configurations described in the following embodiments are merely examples of the present disclosure. The present disclosure is not limited to the following embodiments, and various modifications are possible depending on the design, etc., as long as the effects of the present disclosure can be achieved.

[0013] (Embodiment) (1) Overview The abnormality determination system 1 of this embodiment includes a first acquisition unit 11, a second acquisition unit 12, a determination unit 14, and an output unit 15, as shown in FIG.

[0014] The first acquisition unit 11 acquires first information. The first information includes at least one of power information related to the power consumption of one or more pieces of equipment E1 and contact information related to the on / off of one or more contact units 41 connected between the one or more pieces of equipment E1 and the power source PS1.

[0015] The second acquisition unit 12 acquires second information relating to the transition pattern of the operation state of one or more pieces of equipment E1.

[0016] The determination unit 14 determines whether the operating state of one or more pieces of equipment E1 is normal or abnormal based on the first information and the second information.

[0017] The output unit 15 outputs output information based on the determination result of the determination unit 14 .

[0018] Here, the one or more pieces of equipment E1 are, for example, devices controlled to transition their operating states according to a predetermined transition pattern. The one or more pieces of equipment E1 are, for example, equipment devices installed in a facility F1, such as a business office or a factory. In this embodiment, for example, a control unit 40 installed in the facility F1 controls the operating states of the one or more pieces of equipment E1 so that the operating states of the one or more pieces of equipment E1 transition according to a predetermined transition pattern. For example, if an event related to the operation of the one or more pieces of equipment E1 can take multiple states, the transition pattern includes operating states of the one or more pieces of equipment E1 corresponding to each of the multiple states. The control unit 40 controls the operating states of the one or more pieces of equipment E1 based on, for example, the detection result of the detection unit 5 that detects the state of the event and the transition pattern. Therefore, as long as the control unit 40 is operating normally, the operating states of the one or more pieces of equipment E1 change according to the transition pattern. That is, the operating states of the one or more pieces of equipment E1 change according to the predetermined transition pattern. Since the operating state of equipment E1 changes according to a preset transition pattern, the judgment unit 14 can judge whether the operating state of equipment E1 is normal or not by comparing the pattern in which the operating state of equipment E1 changes with the transition pattern.

[0019] The first information acquired by the first acquisition unit 11 is information for determining whether the operation state of one or more pieces of equipment E1 is in an operating state or a stopped state. The first information includes at least one of power information and contact information.

[0020] The "power information" is information about the power consumption of one or more pieces of equipment E1, and may be an instantaneous value of power consumption, an amount of power consumption per unit time, or an accumulated value of power consumption. When one or more pieces of equipment E1 are in an operating state, the power consumption, amount of power consumption, and accumulated value of power consumption increase compared to when one or more pieces of equipment E1 are in a stopped state or standby state. Therefore, the determination unit 14 can determine whether one or more pieces of equipment E1 are in an operating state or a stopped state based on the power information. Note that when there are multiple pieces of equipment E1, the first acquisition unit 11 can acquire power information for each of the multiple pieces of equipment E1. The determination unit 14 can determine whether the operating state of the multiple pieces of equipment E1 is in an operating state or a stopped state based on the power information of each of the multiple pieces of equipment E1.

[0021] The "contact information" is information relating to the on / off of one or more contact units 41 connected between one or more pieces of equipment E1 and the power source PS1. When one or more contact units 41 are on, power is supplied from the power source PS1 to one or more pieces of equipment E1 to which the one or more contact units 41 are connected, and the operating state of the one or more pieces of equipment E1 becomes an operating state. When one or more contact units 41 are off, the power supply to the one or more pieces of equipment E1 to which the one or more contact units 41 are connected is cut off, and the operating state of the one or more pieces of equipment E1 becomes a stopped state. Therefore, the determination unit 14 can determine whether the operating state of the one or more pieces of equipment E1 to which the one or more contact units 41 are connected is an operating state or a stopped state based on the contact information relating to the on / off of the one or more contact units 41. Note that when there are multiple pieces of equipment E1, the first acquisition unit 11 may acquire contact information for each of the multiple contact units 41 connected between the multiple pieces of equipment E1 and the power source PS1. The determination unit 14 can determine whether the operation state of the plurality of pieces of equipment E1 is in an operating state or a stopped state based on the contact information of the plurality of contact units 41.

[0022] The second information acquired by the second acquisition unit 12 is information regarding a transition pattern in which the operation state of one or more pieces of equipment E1 transitions. The control unit 40 controls the operation state of one or more pieces of equipment E1 according to this transition pattern. In other words, the second information is information regarding the setting content of the transition pattern in which the control unit 40 controls the operation state of one or more pieces of equipment E1. Here, the "transition pattern" in which the operation state of one or more pieces of equipment E1 transitions may include a pattern in which the operation state of one or more pieces of equipment E1 transitions from a stopped state to an operating state and a pattern in which the operation state of one or more pieces of equipment E1 transitions from an operating state to a stopped state. The "transition pattern" includes a time-change pattern in which the operation state of one or more pieces of equipment E1 changes over time. The time-change pattern may include, for example, a pattern in which one or more pieces of equipment E1 continue in an operating state for a predetermined operation duration and then continue in the stopped state for a predetermined stop duration. The time-change pattern may include, for example, a pattern in which one or more pieces of equipment E1 switch from a stopped state to an operating state at a predetermined operation start time and switch from the operating state to the stopped state at a predetermined operation end time. Furthermore, when there are multiple pieces of equipment E1, the "transition pattern" may include, for example, a pattern that specifies the order in which the operation state of the multiple pieces of equipment E1 transitions from a stopped state to an operating state. Furthermore, when there are multiple pieces of equipment E1, the "transition pattern" may include, for example, a pattern that specifies the order in which the operation state of the multiple pieces of equipment E1 transitions from an operating state to a stopped state. Note that when there are multiple pieces of equipment E1, the transition pattern may include a pattern in which the number of pieces of equipment E1 in an operating state changes. Furthermore, when there are multiple pieces of equipment E1, the second information may include information regarding the upper limit of the number of pieces of equipment E1 that can operate simultaneously.

[0023] The determination unit 14 determines whether the operating status of one or more pieces of equipment E1 is normal or abnormal based on the first information and the second information. The determination unit 14 can determine a change pattern in the operating status of one or more pieces of equipment E1 based on the first information. In other words, the "change pattern" is an actual pattern in which the operating status of one or more pieces of equipment E1 changes, calculated based on the first information. The determination unit 14 can then determine whether the operating status of one or more pieces of equipment E1 is normal or abnormal by determining whether the change pattern in the operating status of the one or more pieces of equipment E1 matches a transition pattern included in the second information. Therefore, in this embodiment, an abnormality determination system 1 can be realized that can determine whether the operating status of one or more pieces of equipment E1 is normal or abnormal. Note that the normal or abnormal operating status of one or more pieces of equipment E1 may mean that the operation of the one or more pieces of equipment E1 itself is normal or abnormal, or that the operation of the control unit 40 that controls the one or more pieces of equipment E1 is normal or abnormal.

[0024] (2) Details The abnormality determination system 1 and the abnormality determination method according to this embodiment will be described in detail below with reference to FIGS.

[0025] The abnormality determination system 1 of this embodiment is used to determine whether the operating state of one or more pieces of equipment E1 installed in a facility F1 is normal or abnormal.

[0026] The abnormality determination system 1 is realized by, for example, a cloud server.

[0027] The facility F1 is provided with a control panel 4 having a control unit 40 that controls one or more pieces of equipment E1, and a monitoring unit 6 that manages the power usage status of the one or more pieces of equipment E1. The abnormality determination system 1 is also capable of communicating with an information terminal 2 that inputs second information related to a transition pattern to the abnormality determination system 1. The abnormality determination system 1 acquires the second information related to the transition pattern from the information terminal 2.

[0028] The one or more pieces of equipment E1, the control panel 4, the monitoring unit 6, the information terminal 2, and the abnormality determination system 1 will be described below with reference to the drawings.

[0029] (2.1) One or more facilities The one or more pieces of equipment E1 are, for example, pump devices for transferring a fluid. In this embodiment, the fluid transferred by the pump devices is water. Furthermore, the one or more pieces of equipment E1 are drainage pump devices (so-called drainage pump devices) for discharging water accumulated in a water storage facility for storing water to the outside. The equipment E1 may discharge water accumulated in a water storage facility provided in the facility F1, for example, into a drainage channel or the like.

[0030] In this embodiment, the facility F1 is provided with a plurality of (for example, three) pump devices 3. When the plurality of pump devices 3 are to be distinguished from one another, they will be referred to as pump devices 3A, 3B, and 3C.

[0031] The pump device 3 is, for example, an electric pump, and is operated by power supplied from a power source PS1 such as a commercial AC power source.

[0032] (2.2) Control Panel The control panel 4 comprises a panel installed in the facility F1.

[0033] The control panel 4 includes a control unit 40 and a plurality of contact points 41, each of which is housed inside the panel.

[0034] The plurality of contacts 41 are connected between the plurality of pump devices 3 and the power source PS1, respectively. The control unit 40 controls the on / off of the plurality of contacts 41. When the control unit 40 controls the contacts 41 to be on, power is supplied from the power source PS1 to the pump devices 3 connected to the contacts 41, and the operating state of the pump devices 3 switches from a stopped state to an operating state. When the control unit 40 controls the contacts 41 to be off, the power supply to the pump devices 3 connected to the contacts 41 is cut off, and the operating state of the pump devices 3 switches from an operating state to a stopped state. Hereinafter, the contacts 41 connected between the pump device 3A and the power source PS1 may be referred to as contacts 41A, the contacts 41 connected between the pump device 3B and the power source PS1 may be referred to as contacts 41B, and the contacts 41 connected between the pump device 3C and the power source PS1 may be referred to as contacts 41C.

[0035] The control unit 40 controls the operating states of the pump devices 3A-3C individually by individually controlling the on / off of the contact units 41A-41C. The control unit 40 controls the operating states of the pump devices 3A-3C so that the operating states of the pump devices 3A-3C change in accordance with a preset transition pattern. Furthermore, the control unit 40 controls the operating states of the pump devices 3A-3C based on the detection result of the detection unit 5 so that the operating states of the pump devices 3A-3C change in accordance with a preset transition pattern.

[0036] The detection unit 5 is a water level sensor that detects the water level of water stored in a water storage facility installed in the facility F1. When the water level in the water storage facility is below a first threshold, the detection unit 5 outputs a zero level signal L0 to the control unit 40. When the water level in the water storage facility is equal to or greater than the first threshold and less than a second threshold, the detection unit 5 outputs a first level signal L1 to the control unit 40. When the water level in the water storage facility is equal to or greater than the second threshold and less than a third threshold, the detection unit 5 outputs a second level signal L2 to the control unit 40. When the water level in the water storage facility is equal to or greater than the third threshold, the detection unit 5 outputs a third level signal L3 to the control unit 40.

[0037] The control unit 40 changes the number of pump devices 3 to be operated depending on the detection result of the detection unit 5. When a zero level signal L0 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to zero, i.e., all pump devices 3 to be stopped. When a first level signal L1 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to one. When a second level signal L2 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to two. When a third level signal L3 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to three.

[0038] Furthermore, when the control unit 40 increases the number of pump devices 3 in operation, it determines which pump devices 3 to switch from the stopped state to the operating state based on the transition pattern. Furthermore, when the control unit 40 decreases the number of pump devices 3 in operation, it determines which pump devices 3 to switch from the operating state to the stopped state based on the transition pattern.

[0039] For example, the order in which the control unit 40 switches the pump devices 3A to 3C from a stopped state to an operating state is pump device 3A, pump device 3B, and pump device 3C. When the control unit 40 starts operating pump device 3C, the order returns to the beginning, and the control unit 40 again switches the pump devices 3A to 3C from a stopped state to an operating state in the order of pump device 3A, pump device 3B, and pump device 3C.

[0040] The order in which the control unit 40 switches the pump devices 3A to 3C from an operating state to a stopped state may be set in advance. For example, the order in which the control unit 40 switches the pump devices 3A to 3C from an operating state to a stopped state may be set to pump device 3C, pump device 3B, and pump device 3A.

[0041] The order in which the control unit 40 switches the pump devices 3A to 3C from an operating state to a stopped state may be, for example, the order in which the pump devices 3A to 3C were put into operation. When stopping one pump device 3 when multiple pump devices 3 are operating, the control unit 40 may switch the operating state of the multiple pump devices 3 from an operating state to a stopped state in order of the earliest operation start time when the operating state was switched from a stopped state to an operating state.

[0042] The control unit 40 also increases or decreases the number of pump devices 3A-3C that operate simultaneously based on the transition pattern. For example, the control unit 40 determines the number of pump devices 3A-3C that operate simultaneously based on the output signal of the detection unit 5. When the control unit 40 increases the number of pump devices 3A-3C that operate simultaneously based on the output signal of the detection unit 5, it determines the pump devices 3 that will be switched from a stopped state to an operating state based on the transition pattern. When the control unit 40 decreases the number of pump devices 3A-3C that operate simultaneously based on the output signal of the detection unit 5, it determines the pump devices 3 that will be switched from an operating state to a stopped state based on the transition pattern.

[0043] (2.3) Monitoring Unit The monitoring unit 6 is a monitoring device of an energy management system (EMS) installed in the facility F1 to monitor the energy usage status of one or more pieces of equipment E1 installed in the facility F1. The monitoring unit 6 detects, for example, power information (e.g., power consumption) related to the power consumption of one or more pieces of equipment E1 installed in the facility F1, such as pump devices 3A to 3C. That is, the monitoring unit 6 has a function of detecting power information related to the power consumption of one or more pieces of equipment E1 (e.g., pump devices 3A to 3C) as first information. In this embodiment, since the control panel 4 does not have a communication function for communicating with the abnormality determination system 1, the monitoring unit 6 collects power information related to the power consumption of the pump devices 3A to 3C as first information and transmits it to the abnormality determination system 1.

[0044] The monitoring unit 6 includes an information collection unit 60 and a communication unit 61.

[0045] The information collecting unit 60 collects, for example, power information related to the power consumption of the pump devices 3A to 3C as the first information. For example, watthour meters that individually measure power information related to the power consumption of the pump devices 3A to 3C are installed in the facility F1, and the information collecting unit 60 collects the power information related to the power consumption of the pump devices 3A to 3C from the watthour meters.

[0046] The communication unit 61 has a communication function for communicating with the abnormality determination system 1 via a wide area communication network NT1 such as the Internet. The communication unit 61 transmits the first information collected by the information collection unit 60 to the abnormality determination system 1.

[0047] (2.4) Abnormality detection system The abnormality determination system 1 is realized by, for example, a cloud server.

[0048] The abnormality determination system 1 includes a processing unit 10, a communication unit 16, and a storage unit 17.

[0049] The communication section 16 has a communication function for communicating with the monitoring unit 6 and the information terminal 2 via the wide area communication network NT1.

[0050] The storage unit 17 is, for example, a storage device provided in a cloud server. The storage unit 17 stores, for example, second information relating to transition patterns of the operation states of one or more pieces of equipment E1.

[0051] The processing unit 10 is mainly composed of a computer system having one or more processors and a memory. The functions of the processing unit 10 are realized by the processor of the computer system executing a program recorded in the memory of the computer system. The program may be recorded in the memory, or may be provided via a telecommunications line such as the Internet, or may be recorded on a non-transitory recording medium such as a memory card and provided.

[0052] The processing unit 10 has, for example, the functions of a first acquisition unit 11, a second acquisition unit 12, a determination unit 14, and an output unit 15. Note that the first acquisition unit 11, the second acquisition unit 12, the determination unit 14, and the output unit 15 merely indicate functions realized by the processing unit 10, and do not necessarily indicate actual configurations.

[0053] The first acquisition unit 11 acquires the first information collected by the information collection unit 60 from the monitoring unit 6 via the communication unit 16 .

[0054] The second acquisition unit 12 acquires the second information, for example, from the information terminal 2 via the communication unit 16. The second information is information input by the information terminal 2, and is information relating to a transition pattern in which the operating states of one or more pieces of equipment E1 transition. Upon acquiring the second information, the second acquisition unit 12 stores the acquired second information in the storage unit 17.

[0055] The determination unit 14 determines whether the operating state of one or more pieces of equipment E1 is normal or abnormal based on the first information and the second information. Specifically, the determination unit 14 determines the change pattern of the operating state of one or more pieces of equipment E1, that is, the pump devices 3A to 3C in this embodiment, based on the first information. The determination unit 14 then determines whether the change pattern of the operating state of the pump devices 3A to 3C matches the transition pattern, thereby determining whether the operating state of the pump devices 3A to 3C is normal or abnormal.

[0056] The output unit 15 outputs output information based on the determination result of the determination unit 14. For example, the output unit 15 outputs the output information based on the determination result of the determination unit 14 to the information terminal 2, and the user of the information terminal 2 can check the output information displayed on the display unit 23 of the information terminal 2.

[0057] (2.5) Information terminals The information terminal 2 is, for example, a computer device used by a user of one or more pieces of equipment E1 or a user of the abnormality determination system 1 that determines whether the operating state of one or more pieces of equipment E1 is normal or abnormal. The information terminal 2 is, for example, a computer device with a communication function, such as a smartphone, a tablet computer, or a wearable computer.

[0058] The information terminal 2 includes a processing unit 20, a communication unit 22, a display unit 23, an input unit 24, and a storage unit 25.

[0059] The communication unit 22 has a communication function for communicating with the abnormality determination system 1 via the wide area communication network NT1.

[0060] The display unit 23 is a display device such as a liquid crystal display or an organic EL display.

[0061] The input unit 24 includes, for example, an input device such as a touchpad combined with the screen of a display device. The input unit 24 may also be an input device such as a keyboard or a mouse. The input unit 24 may also have a voice conversion function that converts input information input by voice by the user.

[0062] The storage unit 17 includes a rewritable memory such as a RAM (Random Access Memory) or an EEPROM (Electrically Erasable Programmable Read-Only Memory). The storage unit 17 stores, for example, the second information input using the input unit 24.

[0063] The processing unit 20 is mainly composed of a computer system having one or more processors and a memory. The functions of the processing unit 20 are realized by the processor of the computer system executing a program recorded in the memory of the computer system. The program may be recorded in the memory, or may be provided via a telecommunications line such as the Internet, or may be recorded on a non-transitory recording medium such as a memory card and provided.

[0064] The processing unit 20 has, for example, the function of a setting unit 21. Note that the setting unit 21 merely indicates the function realized by the processing unit 20, and does not necessarily indicate a substantial configuration.

[0065] The setting unit 21 stores the second information input by the user of the information terminal 2 using the input unit 24 in the storage unit 25, and causes the communication unit 22 to transmit this second information to the abnormality determination system 1. The second information is information relating to the transition pattern of the operating states of one or more pieces of equipment E1, in this embodiment, the pump devices 3A to 3C.

[0066] In addition, the second information may include a pattern that specifies the order in which the operating state of multiple pieces of equipment E1 transitions from a stopped state to an operating state, a pattern that specifies the order in which the operating state of multiple pieces of equipment E1 transitions from an operating state to a stopped state, a pattern in which the number of pieces of equipment in an operating state changes, etc.

[0067] (2.6) Explanation of control operation by the control unit The control operation of the one or more pieces of equipment E1 by the control unit 40 will be described with reference to FIG. 2 and other figures.

[0068] From time t0 to time t1, the output signal of the detection unit 5 is the zero level signal L0, so the control unit 40 controls all of the contact units 41A to 41C to be OFF, and controls all of the pump devices 3A to 3C to be in a stopped state.

[0069] When the output signal of the detection unit 5 changes from the zero level signal L0 to the first level signal L1 at time t1, the control unit 40 increases the number of pump devices 3 operating simultaneously to 1. The control unit 40 is configured to switch the pump devices 3A, 3B, and 3C from a stopped state to an operating state in that order, and since the pump device 3C was the last to operate, the control unit 40 controls the contact unit 41A to turn on, switching the pump device 3A from a stopped state to an operating state.

[0070] When the output signal of the detection unit 5 changes from the first level signal L1 to the second level signal L2 at time t2, the control unit 40 increases the number of pump devices 3 operating simultaneously to 2. At this time, the control unit 40 controls the contact unit 41B to turn on, switching the pump device 3B from a stopped state to an operating state, and operating the two pump devices 3A and 3B.

[0071] When the output signal of the detection unit 5 changes from the second level signal L2 to the third level signal L3 at time t3, the control unit 40 increases the number of pump devices 3 operating simultaneously to three. At this time, the control unit 40 controls the contact unit 41C to turn on, switching the pump device 3C from a stopped state to an operating state, and operating all three pump devices 3A, 3B, and 3C.

[0072] Thereafter, at time t4, when the output signal of the detection unit 5 changes from the third level signal L3 to the second level signal L2, the control unit 40 reduces the number of pump devices 3 operating simultaneously to two. Since the control unit 40 is configured to switch the pump devices 3C, 3B, and 3A from an operating state to a stopped state in that order, the control unit 40 controls the contact unit 41C to turn off, switching the pump device 3C from an operating state to a stopped state, and operating the two pump devices 3A and 3B.

[0073] Furthermore, when the output signal of the detection unit 5 changes from the second level signal L2 to the first level signal L1 at time t5, the control unit 40 reduces the number of pump devices 3 operating simultaneously to 1. At this time, the control unit 40 controls the contact unit 41B to turn off, switching the pump device 3B from an operating state to a stopped state, and operating only the pump device 3A.

[0074] Furthermore, when the output signal of the detection unit 5 changes from the first level signal L1 to the zero level signal L0 at time t6, the control unit 40 reduces the number of pump devices 3 operating simultaneously to 0. At this time, the control unit 40 controls the contact unit 41A to turn off, switching the pump device 3A from an operating state to a stopped state, and controls all of the pump devices 3A to 3C to a stopped state.

[0075] (2.7) Explanation of abnormality detection operation by the abnormality detection system The abnormality determination operation by the abnormality determination system 1 of this embodiment will be described with reference to Fig. 3 etc. Note that the sequence diagram shown in Fig. 3 is merely one example of the operation of the abnormality determination system 1, and the order of processing may be changed as appropriate, and processing may be added or omitted as appropriate.

[0076] When the detection unit 5 detects a change in the water level (S1), the detection unit 5 outputs an output signal indicating the detection result of the water level to the control unit 40 (S2).

[0077] When the output signal input from the detection unit 5 changes, the control unit 40 controls the contact unit 41 based on the detection result of the detection unit 5 and the transition pattern, and performs control processing to control the pump device 3 (S3).

[0078] The information collection unit 60 of the monitoring unit 6 collects the amount of power consumption in each of the pump devices 3A to 3C as first information, and the communication unit 61 transmits the first information collected by the information collection unit 60 to the abnormality determination system 1 (S4).

[0079] When the communication unit 16 of the abnormality determination system 1 receives the first information from the monitoring unit 6, the first acquisition unit 11 performs a first acquisition process to acquire the first information received by the communication unit 16.

[0080] The determination unit 14 determines whether each of the pump devices 3A-3C is in an operating state or in a stopped state based on the first information acquired by the first acquisition unit 11 (S5). The determination unit 14 determines whether each of the pump devices 3A-3C is in an operating state or in a stopped state, for example, by comparing the power consumption of each of the pump devices 3A-3C with an operation determination threshold. The operation determination threshold is set to a value that is smaller than the power consumption of each of the pump devices 3A-3C in an operating state and larger than the power consumption of each of the pump devices 3A-3C in a stopped state.

[0081] When the operating state of the pump devices 3A to 3C changes, the determination unit 14 determines whether the operating state of the pump devices 3A to 3C is normal or abnormal by determining whether the change pattern of the changed operating state of the pump devices 3A to 3C matches the transition pattern (S6). Note that before performing the abnormality determination process, the second acquisition unit 12 performs a second acquisition process to acquire second information from the information terminal 2, and the second information acquired by the second acquisition unit 12 is stored in the storage unit 17.

[0082] For example, since the transition pattern is set so that the pump device 3A switches from the stopped state to the operating state at time t1 in FIG. 2, if the pump device 3A switches from the stopped state to the operating state at time t1, the determination unit 14 determines that the operating state of the pump device 3 is normal. On the other hand, if the pump device 3B switches from the stopped state to the operating state at time t1 in FIG. 2, the change pattern of the operating states of the pump devices 3A to 3C does not match the transition pattern, so the determination unit 14 determines that the operating states of the pump devices 3A to 3C are abnormal. If the determination unit 14 determines that the operating state of the pump device 3 is abnormal, the output unit 15 causes the communication unit 16 to transmit output information based on the determination result of the determination unit 14 to the information terminal 2 (S7). That is, the output unit 15 outputs the output information to an external system. The external system is, for example, the information terminal 2 used by the user of the abnormality determination system 1. The output information is, for example, information for notifying that the operating state of the pump device 3 is abnormal. When communication unit 22 of information terminal 2 receives output information from abnormality determination system 1, processing unit 20 causes display unit 23 to display information indicating that the operating state of pump device 3 is abnormal, based on the output information. A user of information terminal 2 can confirm that the operating state of pump device 3 is abnormal by checking the display content of display unit 23. Note that processing unit 20 may output the information indicating that the operating state of pump device 3 is abnormal as sound from a speaker or the like, based on the output information, and the user can confirm that the operating state of pump device 3 is abnormal by listening to the sound output from the speaker or the like.

[0083] 2, the transition pattern is set so that pump device 3B switches from an operating state to a stopped state, and therefore, if pump device 3B switches from an operating state to a stopped state at time t5, determination unit 14 determines that the operating state of pump device 3 is normal. On the other hand, if pump device 3A switches from an operating state to a stopped state at time t5 in FIG. 2, the change pattern in which the operating states of pump devices 3A to 3C change does not match the transition pattern, and therefore determination unit 14 determines that the operating states of pump devices 3A to 3C are abnormal. If determination unit 14 determines that the operating state of pump device 3 is abnormal, output unit 15 causes communication unit 16 to transmit output information based on the determination result of determination unit 14 to information terminal 2.

[0084] As described above, in this embodiment, the first information includes power information regarding the power consumption of one or more pieces of equipment E1. The determination unit 14 determines whether the operating state of one or more pieces of equipment E1 is normal or abnormal based on whether a change pattern of the operating state of the one or more pieces of equipment E1 corresponding to a change in the amount of power consumption matches a transition pattern. The determination unit 14 determines whether a change pattern of the operating state of the pump device 3 corresponding to a change in the amount of power consumption (for example, the operation order of the pump device 3 changing from a stopped state to an operating state, or the stop order of the pump device 3 changing from an operating state to a stopped state) matches a transition pattern. The transition pattern of the change pattern of the operating state of the one or more pieces of equipment E1 corresponding to a change in the amount of power consumption is a pattern that indicates an actual change in the operating state calculated based on the first information, and the transition pattern is a pattern that indicates a preset change in the operating state. Here, if the change pattern of the operating state of the one or more pieces of equipment E1 corresponding to a change in the amount of power consumption matches a transition pattern, the determination unit 14 determines that the operating state of the one or more pieces of equipment E1 is normal. On the other hand, if the change pattern of the operation states of the one or more pieces of equipment E1 corresponding to the change in power consumption does not match the transition pattern, the determination unit 14 determines that the operation states of the one or more pieces of equipment E1 are abnormal. Therefore, the abnormality determination system 1 can indirectly determine whether the operation states of the one or more pieces of equipment E1 are normal or abnormal based on power information related to the power consumption of the one or more pieces of equipment E1. Furthermore, in this embodiment, there are multiple pieces of equipment E1, and the transition pattern includes at least one of an operation sequence in which the multiple pieces of equipment E1 operate and a stop sequence in which the multiple pieces of equipment E1 stop. Therefore, the abnormality determination system 1 can determine whether the operation states of the multiple pieces of equipment E1 are normal or abnormal by comparing the operation sequence and stop sequence of the multiple pieces of equipment E1 obtained from the first information with the operation sequence and stop sequence included in the transition pattern.

[0085] In the above description, the operation order of the pump devices 3A to 3C is such that the pump devices 3A, 3B, and 3C are repeatedly operated in this order. In this operation order, the operation states of the pump devices 3A, 3B, and 3C each occur only once during one cycle of the order. Therefore, when any of the pump devices 3A to 3C is operated, it is possible to identify one pump device 3 that will operate next. On the other hand, when the operation order is such that the operation order is repeatedly performed in the order of pump device 3A (State 1), pump device 3B (State 2), pump device 3C (State 3), pump device 3A (State 4), pump device 3C (State 5), and pump device 3B (State 6), the operation states of the pump devices 3A, 3B, and 3C occur multiple times during one cycle of the order. Therefore, when, for example, pump device 3A is operated, it is not possible to identify one pump device 3 that will operate next.

[0086] In such a case, the determination unit 14 detects a change pattern of the operation state of one or more pieces of equipment E1 based on the first information, and estimates the operation state when the operation state of one or more pieces of equipment will next change based on the detected change pattern and the second information. Then, the determination unit 14 compares the estimated operation state with the operation state determined from the first information to determine whether the operation state of one or more pieces of equipment E1 is normal or abnormal.

[0087] For example, when all of the pump devices 3A to 3C are stopped and the operating state of the pump device 3B changes from the stopped state to the operating state, the determination unit 14 detects, based on the first information, that the operating state of the pump device 3B has changed from the stopped state to the operating state. Then, based on the operating states detected from the first information and the transition pattern included in the second information, the determination unit 14 estimates that the current state in one rotation is State 2 or State 6. When the operating state of the pump device 3A subsequently changes from the stopped state to the operating state, the determination unit 14 detects, based on the first information, that the operating state of the pump device 3A has changed from the stopped state to the operating state. Then, based on the operating states detected from the first information and the transition pattern included in the second information, the determination unit 14 determines that the current state in one rotation is State 1. Since the determination unit 14 has been able to determine that the current state in one rotation is one state, it can infer that the pump device 3 that will operate next is pump device 3B. The judgment unit 14 compares the pump device 3B that is predicted to operate next with the pump device 3 that actually operated next, and if the two match, it judges that the operating state of the pump devices 3A to 3C is normal, and if the two do not match, it judges that the operating state of the pump devices 3A to 3C is abnormal.

[0088] Since the determination unit 14 identifies the current state in one turn as one state based on the change pattern of the operating state of the pump devices 3A to 3C detected based on the first information and the second information, it becomes possible to identify the current state as one state before the turn has completed one cycle. Once the current state in one turn is identified as one state, the next operating state can be estimated, and therefore the determination unit 14 can determine whether the operating state of the pump devices 3A to 3C is normal or abnormal by comparing the estimated operating state with the operating state determined from the first information.

[0089] (3) Variations The above embodiment is merely one of various embodiments of the present disclosure. Various modifications to the above embodiment are possible depending on the design, etc., as long as the object of the present disclosure can be achieved. Furthermore, functions similar to those of the abnormality determination system 1 may be embodied in an abnormality determination method, a computer program, a non-transitory recording medium on which a program is recorded, or the like. An abnormality determination method according to one aspect includes a first acquisition process, a second acquisition process, a determination process, and an output process. The first acquisition process acquires first information. The first information includes at least one of power information regarding the power consumption of one or more pieces of equipment E1 and contact information regarding the on / off status of one or more contact units 41 connected between the one or more pieces of equipment E1 and the power source PS1. The second acquisition process acquires second information regarding a transition pattern of the operating state of the one or more pieces of equipment E1. The determination process determines whether the operating state of the one or more pieces of equipment E1 is normal or abnormal based on the first information and the second information. The output process outputs output information based on the determination result of the determination process. Furthermore, a (computer) program according to one embodiment is a program for causing a computer system to execute a first acquisition process, a second acquisition process, a determination process, and an output process. The first acquisition process acquires first information. The first information includes at least one of power information regarding the power consumption of one or more pieces of equipment E1 and contact information regarding the on / off of one or more contact units 41 connected between the one or more pieces of equipment E1 and a power source PS1. The second acquisition process acquires second information regarding a transition pattern of the operating state of the one or more pieces of equipment E1. The determination process determines whether the operating state of the one or more pieces of equipment E1 is normal or abnormal based on the first information and the second information. The output process outputs output information based on the determination result of the determination process.

[0090] Modifications of the above embodiment are listed below. The modifications described below can be applied in appropriate combinations. Hereinafter, the above embodiment may also be referred to as the basic configuration.

[0091] The execution entity of the anomaly determination system 1 or the anomaly determination method of the present disclosure includes a computer system. The computer system is primarily composed of a processor and memory as hardware. The processor executes a program stored in the memory of the computer system to realize the functions of the execution entity of the anomaly determination system 1 or the anomaly determination method of the present disclosure. The program may be pre-stored in the memory of the computer system, provided via a telecommunications line, or provided in a non-transitory recording medium readable by the computer system, such as a memory card, optical disk, or hard disk drive. The processor of the computer system is composed of one or more electronic circuits including a semiconductor integrated circuit (IC) or a large-scale integrated circuit (LSI). The integrated circuits, such as ICs and LSIs, are referred to by different names depending on the degree of integration, and include integrated circuits called system LSIs, very large-scale integrations (VLSIs), or ultra-large-scale integrations (ULSIs). Furthermore, field-programmable gate arrays (FPGAs), which are programmed after the LSI is manufactured, or logic devices that allow the reconfiguration of internal connections or internal circuit partitions of the LSI, can also be used as processors. The electronic circuits may be integrated into one chip or distributed across multiple chips. The chips may be integrated into one device or distributed across multiple devices. The computer system referred to here includes a microcontroller having one or more processors and one or more memories. Therefore, the microcontroller is also composed of one or more electronic circuits including a semiconductor integrated circuit or a large-scale integrated circuit.

[0092] Furthermore, although multiple functions in the abnormality determination system 1 are realized by the cloud (cloud computing) or the like, multiple functions in the abnormality determination system 1 may be integrated into one housing. Furthermore, the components of the abnormality determination system 1 may be distributed across multiple housings.

[0093] (3.1) Variation 1 The abnormality determination system 1 of the first modification will be described with reference to FIG.

[0094] The abnormality determination system 1 of the first modification further includes a third acquisition unit 13. Note that, since the basic configuration is the same as that of the first modification except for the third acquisition unit 13, the same reference numerals are used for the common components and the description thereof will be omitted.

[0095] The third acquisition unit 13 acquires third information relating to the detection result of the detection unit 5. The detection unit 5 detects events relating to the operating state of one or more pieces of equipment E1.

[0096] The determination unit 14 determines whether the operating state of one or more pieces of equipment E1 is normal or abnormal based on the first information, the second information, and the third information.

[0097] The detection unit 5 detects, for example, the water level of a water storage facility.

[0098] The control unit 40 controls the operating state of one or more pieces of equipment E1 based on the detection result and the transition pattern of the detection unit 5. The control unit 40 determines the number of pump devices 3 to operate simultaneously based on the output signal of the detection unit 5.

[0099] As in the basic configuration, the detection unit 5 detects the water level of water stored in a water storage facility provided in facility F1. If the water level in the water storage facility is below a first threshold, the detection unit 5 outputs a zero-level signal L0 to the control unit 40. If the water level in the water storage facility is equal to or greater than the first threshold and less than a second threshold, the detection unit 5 outputs a first level signal L1 to the control unit 40. If the water level in the water storage facility is equal to or greater than the second threshold and less than a third threshold, the detection unit 5 outputs a second level signal L2 to the control unit 40. If the water level in the water storage facility is equal to or greater than the third threshold, the detection unit 5 outputs a third level signal L3 to the control unit 40.

[0100] The control unit 40 changes the number of pump devices 3 to be operated depending on the detection result of the detection unit 5. When a zero-level signal L0 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to zero, i.e., all pump devices 3 to be stopped. When a first-level signal L1 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to one. When a second-level signal L2 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to two. When a third-level signal L3 is input from the detection unit 5 to the control unit 40, the control unit 40 controls the number of pump devices 3 to be operated to three. In this way, the higher the water level detected by the detection unit 5, the more the control unit 40 increases the number of pump devices 3 to be operated simultaneously. When the number of pump devices 3 operating simultaneously is increased, the control unit 40 determines, based on the transition pattern, which pump devices 3 should have their operating state switched from a stopped state to an operating state. When the number of pump devices 3 operating simultaneously is decreased, the control unit 40 determines, based on the transition pattern, which pump devices 3 should have their operating state switched from a running state to a stopped state.

[0101] Here, the determination unit 14 determines whether the operating state of one or more pieces of equipment E1 is normal or abnormal based on third information in addition to the first information and second information. The determination unit 14 determines whether the operating state of the pump devices 3A to 3C is in an operating state or a stopped state based on the first information. The determination unit 14 can also determine the number of pump devices 3 operating simultaneously based on the third information acquired by the third acquisition unit 13. The determination unit 14 can determine whether the operating state of the pump devices 3 is normal or abnormal, for example, by determining whether the number of pump devices 3 determined to be in an operating state based on the first information matches the number calculated from the third information.

[0102] If the number of pump devices 3 in an operating state matches the number determined from the third information, the determination unit 14 determines whether the operating state of the pump devices 3 is normal or abnormal by determining whether the change pattern of the operating state of the pump devices 3 matches the transition pattern. Therefore, the abnormality determination system 1 of Modification 1 can more accurately determine whether the operating state of the pump devices 3 is normal or abnormal.

[0103] (3.2) Variation 2 In the basic configuration, the transition pattern in which the operating state of one or more pieces of equipment E1 changes as explained in "(2.6) Explanation of control operation by the control unit" is an example, and the transition pattern can be changed as appropriate. Note that, since the basic configuration is the same as the transition pattern, the common components are given the same symbols and their explanations are omitted.

[0104] In the second modification, the control operation of the control unit 40 to control one or more pieces of equipment E1 will be described with reference to FIG. 5 and other figures.

[0105] In the second modification, one or more pieces of equipment E1 include two pump devices 3A and 3B, and the control unit 40 controls the operations of the two pump devices 3A and 3B in accordance with the detection result of the detection unit 5.

[0106] In Modification 2, when the water level in the water storage facility is less than the first threshold, the detection unit 5 outputs a zero level signal L0 to the control unit 40. When the water level in the water storage facility is equal to or greater than the first threshold and less than the second threshold, the detection unit 5 outputs a first level signal L1 to the control unit 40. When the water level in the water storage facility is equal to or greater than the second threshold, the detection unit 5 outputs a second level signal L2 to the control unit 40.

[0107] The control unit 40 changes the number of pump devices 3 to be operated in accordance with the detection result of the detection unit 5.

[0108] The operating conditions under which the control unit 40 operates the pump devices 3 when the water level in the water storage facility rises will be explained. When the output signal of the detection unit 5 is a zero level signal L0, the control unit 40 stops all of the pump devices 3. When the output signal of the detection unit 5 changes from the zero level signal L0 to a first level signal L1, the control unit 40 operates the pump device 3 that is first in the operating order. When the output signal of the detection unit 5 changes from the first level signal L1 to a second level signal L2, the control unit 40 operates the pump device 3 that is second in the operating order, thereby operating two pump devices 3.

[0109] The following describes the conditions under which the control unit 40 stops the pump devices 3 when the water level in the water storage facility drops. When the output signal of the detection unit 5 changes from the second level signal L2 to the first level signal L1, the control unit 40 operates two pump devices 3 without changing the number of operating pump devices 3. When the output signal of the detection unit 5 changes from the first level signal L1 to the zero level signal L0, the control unit 40 controls the number of operating pump devices 3 to zero, i.e., stops all pump devices 3.

[0110] Furthermore, when the output signal of the detection unit 5 changes from the first level signal L1 to the zero level signal L0 and the control unit 40 controls all of the pump devices 3 to stop, the control unit 40 switches the operation order of the two pump devices 3A and 3B. For example, if the pump device 3A is first in the operation order, the control unit 40 operates the pump device 3A when the output signal of the detection unit 5 changes from the zero level signal L0 to the first level signal L1. Thereafter, when the output signal of the detection unit 5 changes to the zero level signal L0, the control unit 40 controls all of the pump devices 3 to stop and changes the first in the operation order to the pump device 3B.

[0111] Here, the operation of the control unit 40 of the second modification will be described with reference to FIG.

[0112] From time t10 to time t11, the output signal of the detection unit 5 is the zero level signal L0, so the control unit 40 controls the contact units 41A, 41B to be all OFF, and controls the pump devices 3A, 3B to be all stopped.

[0113] When the output signal of the detection unit 5 changes from the zero level signal L0 to the first level signal L1 at time t11, the control unit 40 increases the number of pump devices 3 operating simultaneously to 1. In this case, since the pump device 3A is first in the operating order, the control unit 40 controls the contact unit 41A to turn on, switching the pump device 3A from the stopped state to the operating state.

[0114] When the output signal of the detection unit 5 changes from the first level signal L1 to the second level signal L2 at time t12, the control unit 40 increases the number of pump devices 3 operating simultaneously to 2. At this time, the control unit 40 controls the contact unit 41B to turn on, switching the pump device 3B from a stopped state to an operating state, and operating the two pump devices 3A and 3B.

[0115] Thereafter, when the amount of water stored in the water storage facility decreases and the output signal of the detection unit 5 changes from the second level signal L2 to the first level signal L1 at time t13, the control unit 40 maintains the number of pump devices 3 operating simultaneously at two and operates the two pump devices 3A and 3B.

[0116] If the amount of water stored in the water storage facility further decreases and the output signal of the detection unit 5 changes from the first level signal L1 to the zero level signal L0 at time t14, the control unit 40 reduces the number of pump devices 3 operating simultaneously to 0. At this time, the control unit 40 controls the contact units 41A and 41B to turn off, switching the pump devices 3A and 3B from an operating state to a stopped state, and controls the two pump devices 3A and 3B to a stopped state. The control unit 40 also swaps the operating order of the two pump devices 3A and 3B, setting the operating order of pump device 3B to first.

[0117] Thereafter, at time t15, when the output signal of the detection unit 5 changes from the zero level signal L0 to the first level signal L1, the control unit 40 increases the number of pump devices 3 operating simultaneously to 1. At this time, since the pump device 3B is first in the operating order, the control unit 40 controls the contact unit 41B to turn on, switching the pump device 3B from the stopped state to the operating state.

[0118] Furthermore, when the output signal of the detection unit 5 changes from the first level signal L1 to the zero level signal L0 at time t16, the control unit 40 reduces the number of pump devices 3 operating simultaneously to zero. The control unit 40 controls the contact unit 41B to turn off, switching the pump device 3B from an operating state to a stopped state, and controls the two pump devices 3A and 3B to a stopped state. The control unit 40 also swaps the operating order of the two pump devices 3A and 3B, setting the operating order of the pump device 3A to first.

[0119] At time t15, after the control unit 40 has operated the pump device 3B, when the output signal of the detection unit 5 changes from the first level signal L1 to the second level signal L2, the control unit 40 increases the number of pump devices 3 operating simultaneously to two. The control unit 40 controls the contact unit 41A to turn on, switching the pump device 3A from a stopped state to an operating state, and operates the two pump devices 3A and 3B.

[0120] Thereafter, when the amount of water stored in the water storage facility decreases and the output signal of the detection unit 5 changes from the second level signal L2 to the first level signal L1, the control unit 40 maintains the number of pump devices 3 operating simultaneously at two and operates the two pump devices 3A and 3B.

[0121] When the amount of water stored in the water storage facility further decreases and the output signal of the detection unit 5 changes from the first level signal L1 to the zero level signal L0, the control unit 40 reduces the number of pump devices 3 operating simultaneously to 0. At this time, the control unit 40 controls the contact units 41A and 41B to turn off, switching the pump devices 3A and 3B from an operating state to a stopped state, and controls the two pump devices 3A and 3B to a stopped state. The control unit 40 also swaps the operating order of the two pump devices 3A and 3B, setting the operating order of pump device 3A to first.

[0122] In the second modification, when the output signal of the detection unit 5 changes from the zero-level signal L0 to the first level signal L1, the control unit 40 operates the pump device 3 that is first in the operation order. Thereafter, when the output signal of the detection unit 5 changes from the first level signal L1 to the zero-level signal L0, the control unit 40 controls all of the operating pump devices 3 to stop, and then switches the operation order of the pump devices 3A and 3B. In this way, when the control unit 40 controls all of the operating pump devices 3 to stop, it switches the operation order of the pump devices 3A and 3B, thereby reducing the difference in operation time between the two pump devices 3A and 3B.

[0123] (3.3) Variation 3 In the basic configuration, the one or more pieces of equipment E1 are drainage pumping devices 3, but the one or more pieces of equipment E1 are not limited to drainage pumping devices 3. The one or more pieces of equipment E1 may be water supply pumping devices 3 for feeding water into a water storage facility. Furthermore, the one or more pieces of equipment E1 may be, for example, a transfer facility for transferring raw materials, such as liquids like water, powders, or granules, from a storage facility that stores the raw materials to equipment that uses the raw materials.

[0124] (3.4) Variation 4 In the basic configuration, the information collecting unit 60 of the monitoring unit 6 collects power information as the first information, but the information collecting unit 60 may also collect contact information relating to the on / off of the contact units 41A to 41C as the first information. That is, the first acquiring unit 11 only needs to acquire at least one of power information relating to the power consumption of one or more pieces of equipment E1 and contact information relating to the on / off of one or more contact units 41 connected between the one or more pieces of equipment E1 and the power source PS1.

[0125] The contact information is a contact signal that is on when the operating state of one or more pieces of equipment E1 is in an operating state and off when the operating state is in a stopped state, but it may also be a contact signal that is off when the operating state of one or more pieces of equipment E1 is in an operating state and on when the operating state is in a stopped state.

[0126] Based on such contact point information, the determining unit 14 can determine whether the operation state of one or more pieces of equipment E1 is in an operating state or a stopped state.

[0127] (3.5) Variation 5 In the basic configuration, the transition pattern of the operation state of the one or more pieces of equipment E1 may include a time change pattern in which the operation state of the one or more pieces of equipment E1 changes over time. The determination unit 14 determines whether the operation state of the one or more pieces of equipment E1 is normal or abnormal based on the time change pattern of the operation state of the one or more pieces of equipment E1 and the time change pattern. Here, the time change pattern of the operation state of the one or more pieces of equipment E1 is a pattern that indicates the actual time change of the operation state determined based on the first information. On the other hand, the time change pattern included in the transition pattern is a pattern that indicates a preset time change of the operation state.

[0128] The temporal change pattern of the operating state of the one or more pieces of equipment E1 may include, for example, a change pattern in which the one or more pieces of equipment E1 continue to operate for a predetermined operating duration and then continue to operate in a stopped state for a predetermined stopped duration. The determination unit 14 determines that the operating state of the one or more pieces of equipment E1 is abnormal, for example, when the operating duration of the pump device 3 determined from the first information does not match the operating duration included in the transition pattern. The determination unit 14 determines that the operating state of the one or more pieces of equipment E1 is abnormal, for example, when the stopped duration of the pump device 3 determined based on the first information does not match the stopped duration included in the transition pattern.

[0129] Furthermore, the temporal change pattern of the operation state of the one or more pieces of equipment E1 may include, for example, a change pattern in which the operation state of the one or more pieces of equipment E1 switches to an operation state at a predetermined operation start time and switches to a stop state at a predetermined operation end time. The determination unit 14 determines that the operation state of the one or more pieces of equipment E1 is abnormal, for example, when the operation start time of the pump device 3 determined from the first information does not match the operation start time included in the transition pattern. The determination unit 14 also determines that the operation state of the one or more pieces of equipment E1 is abnormal, for example, when the operation end time of the pump device 3 determined from the first information does not match the operation end time included in the transition pattern.

[0130] In this way, the determination unit 14 determines that the operation state of one or more pieces of equipment E1 is abnormal when the time change pattern of the operation state of one or more pieces of equipment E1 does not match the time change pattern. Therefore, the determination unit 14 can determine that the operation state of one or more pieces of equipment E1 is abnormal based on the time change pattern of the operation state of one or more pieces of equipment E1.

[0131] (3.6) Variation 6 In the basic configuration, since there are a plurality of pieces of equipment E1, the transition pattern may include a pattern in which the number of pieces of equipment E1 in the operating state changes.

[0132] The determination unit 14 can determine the number of pieces of equipment E1 in an operating state based on the first information. If the transition pattern includes a pattern in which the number of pieces of equipment E1 in an operating state increases or decreases by one, the determination unit 14 may determine that the operating state of one or more pieces of equipment E1 is abnormal if the number of pieces of equipment E1 in an operating state increases or decreases by multiple units at the same time.

[0133] For example, if two pump devices 3A, 3B are operating and then both pump devices 3A, 3B stop at the same time, the determination unit 14 determines that the operating state of one or more pieces of equipment E1 is abnormal. Also, if two pump devices 3A, 3B are operating at the same time and all three pump devices 3A to 3C are stopped, the determination unit 14 determines that the operating state of one or more pieces of equipment E1 is abnormal. In this way, the determination unit 14 can determine whether the operating state of one or more pieces of equipment E1 is normal or abnormal by comparing the pattern in which the number of pieces of equipment E1 in the operating state changes with the transition pattern.

[0134] (3.7) Variation 7 In the basic configuration, an external system to which the output information from the output unit 15 is output may be a control unit 40 that controls one or more pieces of equipment E1.

[0135] In this case, the control panel 4 is provided with a receiving unit for receiving output information transmitted from the abnormality determination system 1. The output unit 15 transmits output information related to the control of one or more pieces of equipment E1 to the control unit 40 based on the determination result of the determination unit 14. When the receiving unit of the control panel 4 receives the output information from the output unit 15, the control unit 40 controls the operation of the one or more pieces of equipment E1 based on the output information.

[0136] When the determination unit 14 determines that the operation state of one or more pieces of equipment E1 is abnormal, the output unit 15 outputs, for example, output information to switch the operation state of one or more pieces of equipment E1 to a stopped state to the control panel 4. The control unit 40 controls the one or more pieces of equipment E1 to a stopped state based on the output information from the output unit 15. In this way, when the operation state of one or more pieces of equipment E1 is determined to be abnormal, the operation state of one or more pieces of equipment E1 can be switched to a stopped state.

[0137] (summary) The above-described embodiments and the like disclose the following aspects.

[0138] The abnormality determination system (1) of the first aspect includes a first acquisition unit (11), a second acquisition unit (12), a determination unit (14), and an output unit (15). The first acquisition unit (11) acquires first information. The first information includes at least one of power information related to the power consumption of one or more pieces of equipment (E1) and contact information related to the on / off of one or more contact units (41) connected between the one or more pieces of equipment (E1) and a power source (PS1). The second acquisition unit (12) acquires second information related to a transition pattern of the operating state of the one or more pieces of equipment (E1). The determination unit (14) determines whether the operating state of the one or more pieces of equipment (E1) is normal or abnormal based on the first information and the second information. The output unit (15) outputs output information based on the determination result of the determination unit (14).

[0139] According to this aspect, the judgment unit (14) can determine the operating state of one or more pieces of equipment (E1) based on the first information, and can therefore determine whether the operating state of one or more pieces of equipment (E1) is normal or abnormal based on the operating state and transition pattern of the one or more pieces of equipment (E1).

[0140] In the abnormality determination system (1) of the second aspect, in the first aspect, the first information includes power information regarding the amount of power consumed by one or more pieces of equipment (E1). The determination unit (14) determines whether the operating state of the one or more pieces of equipment (E1) is normal or abnormal based on whether a change pattern of the operating state of the one or more pieces of equipment (E1) corresponding to a change in the amount of power consumed is included in the transition pattern.

[0141] According to this aspect, the determination unit (14) can determine whether the operating state of one or more pieces of equipment (E1) is normal or abnormal, based on the power information related to the amount of power consumed by the one or more pieces of equipment (E1).

[0142] In the abnormality determination system (1) of the third aspect, in the second aspect, the determination unit (14) determines that the operating state of one or more pieces of equipment (E1) is abnormal when a change pattern of the operating state of one or more pieces of equipment (E1) corresponding to a change in power consumption does not match the transition pattern.

[0143] According to this aspect, the determination unit (14) can determine whether the operating state of one or more pieces of equipment (E1) is normal or abnormal, based on the power information related to the amount of power consumed by the one or more pieces of equipment (E1).

[0144] In the abnormality determination system (1) of the fourth aspect, in any one of the first to third aspects, the transition pattern includes a time change pattern in which the operating state of one or more pieces of equipment (E1) changes over time. The determination unit (14) determines whether the operating state of one or more pieces of equipment (E1) is normal or abnormal based on the time change pattern of the operating state of the one or more pieces of equipment (E1).

[0145] According to this aspect, the determining unit (14) can determine that the operation state of one or more pieces of equipment (E1) is abnormal based on the pattern of change over time in the operation state of the one or more pieces of equipment (E1).

[0146] In the fifth aspect of the abnormality determination system (1), in the fourth aspect, the determination unit (14) determines that the operating state of one or more pieces of equipment (E1) is abnormal if the temporal change pattern of the operating state of the one or more pieces of equipment (E1) does not match the time change pattern.

[0147] According to this aspect, the determining unit (14) can determine that the operation state of one or more pieces of equipment (E1) is abnormal based on the pattern of change over time in the operation state of the one or more pieces of equipment (E1).

[0148] In the sixth aspect of the abnormality determination system (1), in any of the first to fifth aspects, the transition pattern includes a pattern in which the operating state of one or more pieces of equipment (E1) transitions from a stopped state to an operating state, and a pattern in which the operating state of one or more pieces of equipment (E1) transitions from an operating state to a stopped state.

[0149] According to this aspect, the determination unit (14) can determine whether the operating state of one or more pieces of equipment (E1) is normal or abnormal by comparing the pattern in which the operating state of the one or more pieces of equipment (E1) changes with the transition pattern.

[0150] In the abnormality determination system (1) of the seventh aspect, in any one of the first to sixth aspects, the number of pieces of equipment (E1) is plural. The transition pattern includes a pattern in which the number of pieces of equipment (E1) in an operating state changes.

[0151] According to this aspect, the determination unit (14) can determine whether the operating state of one or more pieces of equipment (E1) is normal or abnormal by comparing the pattern of changes in the number of pieces of equipment (E1) in operation with the transition pattern.

[0152] In the eighth aspect of the abnormality determination system (1), in any of the first to seventh aspects, the number of pieces of equipment (E1) is multiple, and the transition pattern includes at least one of an operation sequence in which the multiple pieces of equipment (E1) are operating and a stop sequence in which the multiple pieces of equipment (E1) are stopped.

[0153] According to this aspect, by comparing the operation order and shutdown order of the multiple pieces of equipment (E1) obtained from the first information with the operation order and shutdown order included in the transition pattern, it is possible to determine whether the operating status of the multiple pieces of equipment (E1) is normal or abnormal.

[0154] The abnormality determination system (1) of a ninth aspect is any one of the first to eighth aspects, and further includes a third acquisition unit (13) that acquires third information regarding a detection result of a detection unit (5) that detects an event related to the operating state of one or more pieces of equipment (E1). The determination unit (14) determines whether the operating state of the one or more pieces of equipment (E1) is normal or abnormal based on the first information, the second information, and the third information.

[0155] According to this aspect, the determining unit (14) can determine more accurately whether the operating state of one or more pieces of equipment (E1) is normal or abnormal by further considering the third information.

[0156] In the abnormality determination system (1) of a tenth aspect, in any of the first to ninth aspects, the determination unit (14) detects a change pattern of the operating state of one or more pieces of equipment (E1) based on the first information. The determination unit (14) estimates the operating state when the operating state of the one or more pieces of equipment (E1) will next change based on the detected change pattern and the second information. The determination unit (14) compares the estimated operating state with the operating state determined from the first information to determine whether the operating state of the one or more pieces of equipment (E1) is normal or abnormal.

[0157] According to this embodiment, it is possible to determine whether the operating state of one or more pieces of equipment (E1) is normal or abnormal.

[0158] In the abnormality determination system (1) of the eleventh aspect, in any one of the first to tenth aspects, the equipment (E1) changes its operating state according to a preset transition pattern.

[0159] According to this aspect, the determination unit (14) can determine whether the operating state of the equipment (E1) is normal by comparing the pattern in which the operating state of the equipment (E1) changes with the transition pattern.

[0160] In the twelfth aspect of the abnormality determination system (1), in any of the first to eleventh aspects, the contact information includes a contact signal that is on when the operating state of one or more pieces of equipment (E1) is in an operating state and off when the operating state of one or more pieces of equipment (E1) is in a stopped state, or a contact signal that is off when the operating state of one or more pieces of equipment (E1) is in an operating state and on when the operating state is in a stopped state.

[0161] According to this aspect, the determining unit (14) can determine whether the operation state of one or more pieces of equipment (E1) is in an operating state or a stopped state based on the contact point information.

[0162] In the abnormality determination system (1) of the thirteenth aspect, in any one of the first to twelfth aspects, the equipment (E1) includes a pump device for transferring a fluid.

[0163] According to this aspect, it is possible to determine whether the operating state of the pump device is normal.

[0164] In the abnormality determination system (1) of the fourteenth aspect, in the ninth aspect, the equipment (E1) includes a drainage pump device for discharging water stored in a water storage facility to the outside, and the detection unit (5) includes a water level sensor for detecting the level of water stored in the water storage facility.

[0165] According to this aspect, it is possible to determine whether the operating state of the drainage pump device is normal or not, further taking into consideration the detection result of the water level sensor.

[0166] In the abnormality determination system (1) of the fifteenth aspect, in any one of the first to fourteenth aspects, the output unit (15) outputs the output information to the external system (2).

[0167] According to this embodiment, the output information from the output unit (15) can be used in an external system.

[0168] In the anomaly determination system (1) of the 16th aspect, in the 15th aspect, the external system includes a control unit (40) that controls one or more pieces of equipment (E1). The output unit (15) transmits output information related to the control of the one or more pieces of equipment (E1) to the control unit (40) based on the determination result of the determination unit (14).

[0169] According to this aspect, the operating state of one or more pieces of equipment (E1) can be controlled based on the determination result of the determining unit (14).

[0170] The anomaly determination method of a seventeenth aspect includes a first acquisition process, a second acquisition process, a determination process, and an output process. The first acquisition process acquires first information. The first information includes at least one of power information related to the power consumption of one or more pieces of equipment (E1) and contact information related to the on / off of one or more contact units (41) connected between the one or more pieces of equipment (E1) and a power source (PS1). The second acquisition process acquires second information related to a transition pattern of the operating state of the one or more pieces of equipment (E1). The determination process determines whether the operating state of the one or more pieces of equipment (E1) is normal or abnormal based on the first information and the second information. The output process outputs output information based on the determination result of the determination process.

[0171] According to this aspect, the operating status of one or more pieces of equipment (E1) can be determined based on the first information, and therefore, it is possible to determine whether the operating status of one or more pieces of equipment (E1) is normal or abnormal based on the operating status and transition pattern of the one or more pieces of equipment (E1).

[0172] A program of an eighteenth aspect is a program for causing a computer system to execute a first acquisition process, a second acquisition process, a determination process, and an output process. The first acquisition process acquires first information. The first information includes at least one of power information regarding the power consumption of one or more pieces of equipment (E1) and contact information regarding the on / off of one or more contact units (41) connected between the one or more pieces of equipment (E1) and a power source (PS1). The second acquisition process acquires second information regarding a transition pattern of the operating state of the one or more pieces of equipment (E1). The determination process determines whether the operating state of the one or more pieces of equipment (E1) is normal or abnormal based on the first information and the second information. The output process outputs output information based on the determination result of the determination process.

[0173] According to this aspect, the operating status of one or more pieces of equipment (E1) can be determined based on the first information, and therefore, it is possible to determine whether the operating status of one or more pieces of equipment (E1) is normal or abnormal based on the operating status and transition pattern of the one or more pieces of equipment (E1).

[0174] Not limited to the above aspects, various configurations (including modified examples) of the abnormality determination system (1) according to the embodiment can be embodied as an abnormality determination method, a (computer) program, or a non-transitory recording medium on which a program is recorded, etc.

[0175] The configurations according to the second to sixteenth aspects are not essential for the abnormality determination system (1) and can be omitted as appropriate. [Explanation of symbols]

[0176] 1. Abnormality detection system 2. Information terminal (external system) 5. Detection unit 11 First acquisition part 12 Second acquisition part 13 Third acquisition part 14 Judgment section 15 Output section 40 Control Unit 41 Contact point E1 equipment PS1 power supply

Claims

1. a first acquisition unit that acquires first information including at least one of power information related to power consumption of one or more pieces of equipment and contact information related to on / off of one or more contact parts connected between the one or more pieces of equipment and a power source; a second acquisition unit that acquires second information regarding a transition pattern of the operation state of one or more of the equipment; a determination unit that determines whether an operating state of one or more pieces of equipment is normal or abnormal based on the first information and the second information; an output unit that outputs output information based on the determination result of the determination unit, Anomaly detection system.

2. the first information includes the power information related to the amount of power consumption of one or more of the facilities; the determination unit determines whether the operation status of the one or more pieces of equipment is normal or abnormal based on whether a change pattern of the operation status of the one or more pieces of equipment corresponding to the change in the amount of power consumption matches the transition pattern. The abnormality determination system according to claim 1 .

3. the determination unit determines that the operation status of one or more pieces of equipment is abnormal when a change pattern of the operation status of one or more pieces of equipment corresponding to the change in the amount of power consumption does not match the transition pattern. The abnormality determination system according to claim 2 .

4. the transition pattern includes a time-varying pattern in which the operation state of one or more of the equipment changes over time, the determination unit determines whether the operation state of the one or more pieces of equipment is normal or abnormal based on a temporal change pattern of the operation state of the one or more pieces of equipment and the time change pattern; The abnormality determination system according to claim 1 .

5. the determination unit determines that the operation status of one or more pieces of equipment is abnormal when a temporal change pattern of the operation status of one or more pieces of equipment does not match the time change pattern; The abnormality determination system according to claim 4 .

6. The transition pattern includes a pattern in which the operation state of one or more of the equipment transitions from a stopped state to an operating state, and a pattern in which the operation state of one or more of the equipment transitions from an operating state to a stopped state. The abnormality determination system according to claim 1 .

7. The number of the equipment is plural, The transition pattern includes a pattern in which the number of the equipment units in an operating state changes. The abnormality determination system according to claim 1 .

8. The number of the equipment is plural, The transition pattern includes at least one of an operation sequence in which the plurality of pieces of equipment are operated and a stop sequence in which the plurality of pieces of equipment are stopped. The abnormality determination system according to claim 1 .

9. a third acquisition unit configured to acquire third information related to a detection result of a detection unit configured to detect an event related to an operating state of one or more of the facilities; the determination unit determines whether an operating state of one or more of the equipment is normal or abnormal based on the first information, the second information, and the third information. The abnormality determination system according to claim 1 .

10. The determination unit Detecting a change pattern of the operating state of one or more of the facilities based on the first information; predicting an operating state when the operating state of one or more of the equipment will next change based on the detected change pattern and the second information; determining whether the operating state of one or more pieces of equipment is normal or abnormal by comparing the estimated operating state with the operating state determined from the first information; The abnormality determination system according to claim 1 .

11. The equipment changes its operating state in accordance with the preset transition pattern. The abnormality determination system according to claim 1 .

12. The contact information includes a contact signal that is ON when the operation state of one or more of the equipment is in an operating state and OFF when the operation state of one or more of the equipment is in a stopped state, or a contact signal that is OFF when the operation state of one or more of the equipment is in an operating state and ON when the operation state is in a stopped state. The abnormality determination system according to claim 1 .

13. The facility includes a pumping device for transferring fluid. The abnormality determination system according to claim 1 .

14. The facility includes a drainage pump device for discharging water stored in a water storage facility to the outside, The detection unit includes a water level sensor that detects the water level of the water stored in the water storage facility. The abnormality determination system according to claim 9 .

15. the output unit outputs the output information to an external system. The abnormality determination system according to claim 1 .

16. The external system includes a control unit that controls one or more of the facilities, The output unit transmits the output information related to control of one or more pieces of equipment to the control unit based on the determination result of the determination unit. The abnormality determination system according to claim 15.

17. a first acquisition process for acquiring first information including at least one of power information related to power consumption of one or more pieces of equipment and contact information related to on / off of one or more contact parts connected between the one or more pieces of equipment and a power source; a second acquisition process for acquiring second information relating to a transition pattern of the operation state of one or more pieces of equipment; a determination process for determining whether the operating status of one or more pieces of equipment is normal or abnormal based on the first information and the second information; an output process for outputting output information based on the determination result of the determination process, Abnormality determination method.

18. In the computer system, a first acquisition process for acquiring first information including at least one of power information related to power consumption of one or more pieces of equipment and contact information related to on / off of one or more contact parts connected between the one or more pieces of equipment and a power source; a second acquisition process for acquiring second information relating to a transition pattern of the operation state of one or more pieces of equipment; a determination process for determining whether the operating status of one or more pieces of equipment is normal or abnormal based on the first information and the second information; an output process for outputting output information based on a determination result of the determination process; program.

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