JP6429526B2 - Electric equipment temperature monitoring device and electric equipment temperature monitoring system - Google Patents

Description

  Embodiments described herein relate generally to an electrical equipment temperature monitoring apparatus and an electrical equipment temperature monitoring system that monitor the temperature of electrical equipment using a temperature sensor.

  Electric equipment such as so-called cubicle type high-voltage power receiving equipment and electrical equipment such as switchboards are used to stably supply power to users who use the equipment. In order to supply power stably, it is important to monitor the state of electrical equipment, detect defects early and maintain them appropriately.

  Conventionally, as a technique for monitoring the state of the electrical equipment, a technique for monitoring the temperature of the electrical equipment has been proposed. According to this type of technology, it is possible to comprehensively monitor the state of the electrical equipment as compared with the case of monitoring the current or voltage applied to each internal device constituting the electrical equipment.

JP-A-6-253421

  However, since the technique disclosed in Patent Document 1 uses a pyroelectric type temperature sensor, a chopping means for chopping infrared rays incident on the temperature sensor is necessary, and the configuration becomes complicated.

  In the technique disclosed in Patent Document 1, the temperature in the cubicle is periodically measured by a temperature distribution measuring device including a temperature sensor, and occurrence of an abnormality is determined from a temperature signal detected from the temperature distribution measuring device. It is like that. However, it is difficult to determine the occurrence of abnormality from the temperature signal detected from the temperature distribution measuring device. In general, when an abnormality is determined from the temperature, it is conceivable that a predetermined temperature threshold value is set, and an abnormality is determined when the measured temperature exceeds the predetermined temperature threshold value. However, in electrical equipment such as power transmission / reception equipment and switchboards, the temperature of the whole equipment rises and falls according to the ratio of the power used to the rated power. Moreover, even if it responds to the level of atmospheric temperature, the temperature of the whole installation will become high and low.

  For this reason, it is difficult to appropriately set a predetermined temperature threshold for accurately determining an abnormality. Therefore, it is extremely difficult to accurately determine an abnormality with the method of determining an abnormality when the measured temperature exceeds a predetermined temperature threshold.

  The present invention has been made in consideration of the above-described circumstances, and an electrical equipment temperature monitoring apparatus and an electrical equipment that can accurately monitor the state of the monitoring target area of the electrical equipment by using the temperature history of the electrical equipment. An object is to provide a temperature monitoring system.

  In order to solve the above-described problem, an electrical equipment temperature monitoring apparatus according to an embodiment of the present invention sets a monitoring target region based on the radiant energy of a member existing in the monitoring target region located within a predetermined viewing angle. A temperature detection unit that detects temperatures for each of the plurality of divided regions, an association unit that stores in the storage unit association information that associates the temperature of each divided region with the time of detection by the temperature detection unit, and a predetermined The past temperature for each divided region is obtained by extracting the association information of at least one time point in the past from the storage unit based on the condition, and the difference between the past temperature for each divided region and the temperature for each current divided region And an evaluation unit that evaluates the normality of the temperature of the current monitoring target area and outputs evaluation result information.

  The electrical equipment temperature monitoring apparatus and the electrical equipment temperature monitoring system according to an embodiment of the present invention can accurately monitor the state of the monitoring target area of the electrical equipment by using the temperature history of the electrical equipment.

The block diagram which shows an example of the electrical equipment temperature monitoring system containing the electrical equipment temperature monitoring apparatus which concerns on one Embodiment of this invention. Explanatory drawing which shows an example when the monitoring object area | region is the inside of a cubicle. The figure for demonstrating the relationship between several temperature detection element (temperature sensor) which comprises a temperature detection part, and several division area which comprises the monitoring object area | region. (A) is explanatory drawing which shows an example in case the temperature detection element of a temperature detection element (thermal image imaging device) and a division area respond | correspond one to one, (b) is the temperature of a temperature detection element (thermal image imaging device). Explanatory drawing which shows an example in case a detection element and a division area respond | correspond 16: 1. Explanatory drawing which shows an example of correlation information. Explanatory drawing which shows an example of the setting image of the extraction conditions of past data. Explanatory drawing which shows an example of a mode that the image which shows the information that the temperature of the monitoring object area | region is normal, and the present temperature distribution image were displayed on the display part. An abnormality notification image indicating information indicating that there is an abnormality in the temperature of the monitoring target region and an abnormal part image that indicates the position of the divided region that is the cause of the abnormality are superimposed on the temperature distribution image on the display unit Explanatory drawing which shows an example. Explanatory drawing which shows an example of a mode that the image of the past temperature distribution state which the evaluation part used for normality evaluation was displayed in parallel with the temperature distribution image on the display part. The flowchart which shows an example of the procedure at the time of accurately monitoring the state of the monitoring object area | region of an electrical equipment by using the log | history of the temperature of an electrical equipment by a control part. The block diagram which shows the 1st modification of an electrical equipment temperature monitoring apparatus. Explanatory drawing which shows an example of a mode that a temperature detection part and a camera monitor the monitoring object area | region with the substantially same prospective angle. The block diagram which shows the 2nd modification of an electrical equipment temperature monitoring apparatus. The block diagram which shows the 3rd modification of an electrical equipment temperature monitoring apparatus.

  Embodiments of an electrical equipment temperature monitoring device and an electrical equipment temperature monitoring system according to the present invention will be described with reference to the accompanying drawings.

An electrical equipment temperature monitoring apparatus and an electrical equipment temperature monitoring system according to an embodiment of the present invention monitor the temperature of electrical equipment such as a power transmission equipment and a distribution board such as a so-called cubicle type high-voltage power receiving equipment, Even a user in a remote place away from the facility can easily grasp the state of the monitoring target area of the electrical facility.
(Outline configuration)

  First, a schematic configuration of an electrical equipment temperature monitoring device and an electrical equipment temperature monitoring system according to an embodiment of the present invention will be briefly described.

  FIG. 1 is a block diagram showing an example of an electrical equipment temperature monitoring system 1 including an electrical equipment temperature monitoring device 10 according to an embodiment of the present invention.

  The electrical equipment temperature monitoring system 1 includes an electrical equipment temperature monitoring device 10 and an information processing terminal 11 connected to the electrical equipment temperature monitoring device 10 so as to be able to transmit and receive data.

  The electrical facility temperature monitoring apparatus 10 includes a temperature detection unit 21, a storage unit 22, a transmission / reception unit 23, and a control unit 24.

  The temperature detection unit 21 detects the temperature of each of the plurality of divided areas obtained by dividing the monitoring target area 100 based on the radiant energy of the plurality of monitoring target members existing in the monitoring target area 100 located within a predetermined viewing angle. . An optical lens 25 is provided in the vicinity of the temperature detection unit 21. The lens 25 converges the radiation energy irradiated toward itself from the space with a predetermined viewing angle on the temperature detection unit 21.

  The lens 25 is configured to be replaceable by the user according to the distance from the temperature detection unit 21 to the monitoring target region 100 so that a lens having a viewing angle corresponding to the distance from the temperature detection unit 21 to the monitoring target region 100 is used. Is done. For example, when the distance from the temperature detection unit 21 to the monitoring target region 100 is short, it is preferable to use the lens 25 having a wider angle of view than when the distance is far.

  The temperature detector 21 and the lens 25 are integrally held by the holding means 26. In the temperature detection unit 21 and the lens 25, the expected angle with respect to the monitoring target region 100 is integrally adjusted according to the movement of the holding unit 26 manually or by a remote operation by the information processing terminal 11.

  The storage unit 22 includes a recording medium that can be read and written by the CPU of the control unit 24, such as a magnetic or optical recording medium or a semiconductor memory, and part or all of the programs and data in these storage media. May be configured to be downloaded via the network 200. The storage unit 22 is controlled by the control unit 24 and stores association information that associates at least a part or all of the temperature for each of the plurality of divided regions obtained by dividing the monitoring target region 100 with the detection time.

  The transmission / reception unit 23 implements various information communication protocols according to the form of the network 200. The transmission / reception unit 23 connects the electrical facility temperature monitoring device 10 to the information processing terminal 11, the storage medium 201 on the network, the database 202, and the power consumption monitoring device 203 so as to be able to transmit and receive data according to these various protocols. Here, the network 200 means an entire information communication network using telecommunications technology. In addition to a wireless / wired LAN (Local Area Network) and the Internet network, a telephone communication line network, an optical fiber communication network, a cable communication network, Includes satellite communications networks. The transmission / reception unit 23 may be provided individually for each of the connected devices 11 and 201-203. At this time, each of the plurality of transmission / reception units 23 is configured to be able to use a communication protocol used for communication with each connection target device.

  Note that each of the storage medium 201, the database 202, and the power consumption monitoring device 203 on the network may be an external component that is not included in the electrical facility temperature monitoring system 1.

  The storage medium 201 is read and written by the control unit 24 via the network 200 with data equivalent to the storage unit 22. The database 202 is a database that is personally or publicly or commercially installed by a user.

  The database 202 accumulates data such as the atmospheric temperature, humidity, and amount of sunlight, and gives part or all of these data to the control unit 24 in response to a request from the control unit 24 via the network 200.

  The used power monitoring device 203 is a device for monitoring information on the used power P of an electrical device to which power is supplied via a member existing in the monitoring target area 100 of the electrical equipment to be monitored. In response to a request from the control unit 24 via the network 200, the used power monitoring apparatus 203 gives information on the current used power P to the control unit 24.

  The control unit 24 includes a storage medium such as a CPU, a RAM, and a ROM. The control unit 24 controls the operation of the electrical equipment temperature monitoring device 10 according to the program stored in the storage medium. The CPU of the control unit 24 loads a monitoring program stored in a storage medium such as a ROM and data necessary for executing the program into the RAM. In accordance with this program, the CPU executes a process for accurately monitoring the state of the monitoring target area 100 of the electric facility by using the temperature history of the electric facility.

  On the other hand, the information processing terminal 11 can be configured by a general personal computer, a workstation, a tablet terminal, a portable terminal, or the like. As illustrated in FIG. 1, the information processing terminal 11 includes an input unit 31, a display unit 32, a transmission / reception unit 33, a storage unit 34, a speaker 35, and a terminal control unit 36.

  The input unit 31 is configured by a general input device such as a mouse, a trackball, a keyboard, a touch panel, and a numeric keypad. The input unit 31 outputs an operation input signal corresponding to the user operation to the terminal control unit 36. Further, a voice input microphone may be used as the input unit 31. In this case, the microphone converts the voice input by the user into a digital voice signal, and the terminal control unit 36 performs an operation corresponding to the voice input by the user by performing voice recognition processing on the digital voice signal.

  The display unit 32 is configured by a general display output device such as a liquid crystal display or an OLED (Organic Light Emitting Diode) display, for example, and the monitoring target region 100 received from the electrical facility temperature monitoring device 10 according to the control of the terminal control unit 36. Various images such as an image showing normality of temperature are displayed.

  The transmission / reception unit 33 has a configuration equivalent to that of the transmission / reception unit 23 of the electrical equipment temperature monitoring device 10, and connects the information processing terminal 11 and the electrical equipment temperature monitoring device 10.

  The storage unit 34 has a configuration including a recording medium that can be read and written by the CPU of the terminal control unit 36, such as a magnetic or optical recording medium or a semiconductor memory, and a part of programs and data in the storage medium or All may be configured to be downloaded via the network 200. The storage unit 34 may be controlled by the terminal control unit 36 and store the association information received from the control unit 24.

  The speaker 35 is controlled by the terminal control unit 36 and warns the user that the evaluation result information received from the electrical equipment temperature monitoring device 10 includes information indicating that the temperature of the monitoring target region 100 is abnormal. Outputs sound and beep sound corresponding to various information such as warning information to be urged.

  Here, “speech” means a sound obtained by reading out text data with a sound recognized by a listener as a human voice. In addition to “sound”, “sound” includes “music”, “sound effect (beep sound, etc.)” and the like.

The terminal control unit 36 includes a storage medium such as a CPU, RAM, and ROM. The terminal control unit 36 controls the operation of the information processing terminal 11 according to the program stored in this storage medium. In addition, the terminal control unit 36 cooperates with the control unit 24 of the electrical equipment temperature monitoring apparatus 10 to accurately monitor the state of the monitoring target region 100 of the electrical equipment by using the temperature history of the electrical equipment. Execute.
(Relationship between temperature detector and divided area)

  FIG. 2A is an explanatory diagram illustrating an example in which the entire inside of the cubicle 101 as a monitoring target is used as the monitoring target region 100 of one temperature detection unit 21. FIG. 2B is an explanatory diagram showing an example in which the entire interior of the cubicle 101 as a monitoring target is divided into the monitoring target areas 100 a and 100 b of the two temperature detection units 21. FIG. 2 shows an example in which the monitoring target desired by the user is the entire interior of the cubicle 101.

  The monitoring target desired by the user may be covered by the monitoring target area 100 of one temperature detection unit 21 (see FIG. 2A). Moreover, it divides | segments into the monitoring object area | regions 100a, 100b, ... of the several temperature detection part 21 (refer FIG.2 (b)), and integrates the data of the monitoring object area | regions 100a, 100b, ..., one monitoring. You may monitor the object (for example, the whole inside of the cubicle 101 shown in FIG. 2). Further, the monitoring target areas 100a, 100b,... Of the plurality of temperature detection units 21 are set as the same area, and the monitoring target is monitored using the temperature of each divided area obtained by averaging the outputs of the temperature detection units 21. May be.

  Moreover, when using the several temperature detection part 21, the one electrical installation temperature monitoring apparatus 10 may be provided with the several temperature detection part 21, and the one control part 24 may control the several temperature detection part 21. FIG. Further, even if one electrical equipment temperature monitoring device 10 includes one temperature detection unit 21 and a plurality of electrical equipment temperature monitoring devices 10 monitor one monitoring target (for example, the entire interior of the cubicle 101 shown in FIG. 2). Good.

  As shown in FIG. 2, the monitoring target region 100 of the electrical equipment temperature monitoring device 10 is set inside a cubicle 101, for example. In the monitoring target region 100, there are a plurality of monitoring target members such as a transformer 111, a high-voltage switch 112, a breaker 113, a meter 114, and a joint 115. Each of these monitoring target members generates heat according to the operation state and radiates energy to the outside.

  Each member housed in the cubicle 101 is joined at the joint 115 with a conductive material along the flow of power supply to form a safe power supply path. For example, when the joint 115 includes a bolt, the electrical resistance of the joint 115 increases due to loosening of the bolt. It has been reported that the power consumption due to this electrical resistance causes abnormal heat generation.

  Such looseness of the junction 115 of the power supply path is very difficult to find by visual observation. Further, since there is a risk of electric shock, it is difficult to check looseness of the joint 115 by contact work such as tightening of bolts.

  On the other hand, the electrical equipment temperature monitoring apparatus 10 according to the present embodiment monitors the state of the monitoring target area 100 based on the energy radiated from the monitoring target member existing in the monitoring target area 100. For this reason, for example, if there is abnormal heat generation due to loosening of the joint 115, the temperature abnormality of the joint 115 can be easily detected.

  FIG. 3 is a diagram for explaining a relationship between a plurality of temperature detection elements (temperature sensors) constituting the temperature detection unit 21 and a plurality of divided regions constituting the monitoring target region 100.

  For example, a thermopile array (for example, 16 × 16 or 32 × 32) in which a plurality of thermopiles 40 are two-dimensionally arranged can be used as the temperature detection unit 21. The thermopile receives radiant energy radiated from an object and generates a thermoelectromotive force corresponding to the amount of incident energy. The thermopile 40 can output the absolute temperature of the corresponding detection target region. When the thermopile 40 is used, the configuration is simplified because no chopping means is required as compared with the case where a pyroelectric sensor is used. Further, it can be configured at a lower cost than the case where a thermography device is used.

By using the lens 25 having an appropriate viewing angle, each of the thermopiles 40 ₁₁ , 40 ₁₂ , 40 ₁₃ ,..., 40 ij,. ₁₁ , 102 ₁₂ , 102 ₁₃ ,..., 102 ij,..., 102 kl can be made to correspond one-to-one (see FIG. 3). Here, k and l are positive integers, i is an integer of 1 to k, and j is an integer of 1 to 1, respectively.

  Further, each thermopile may be in charge of a plurality of divided areas, or a plurality of thermopiles 40 may be in charge of one divided area 102. When each thermopile is in charge of a plurality of divided regions 102, the output of each thermopile is an output corresponding to the total value of radiant energy from the plurality of divided regions 102 in charge. When a plurality of thermopiles 40 are in charge of one divided area 102, the radiant energy from each divided area 102 corresponds to the total output of the plurality of thermopiles 40. In this case, for example, the average temperature detected by the plurality of thermopiles 40 is set as the temperature of the corresponding divided region 102.

  Further, as the temperature detection unit 21, a thermal image capturing device such as a thermography device may be used. The thermal imaging apparatus is configured by a plurality of temperature detection elements 41mn (where m is an integer of 1 to o, n is an integer of 1 to p, and o and p are positive integers).

FIG. 4A is an explanatory view showing an example of a case where the temperature detection element 41 and the divided region 102 of the temperature detection unit (thermal image capturing apparatus) 21 correspond to each other, and FIG. It is explanatory drawing which shows an example in case the temperature detection element 41 and the division | segmentation area | region 102 of a thermal image imaging device) 21 respond | correspond 16: 1.

  As each temperature detection element of the thermal imaging apparatus, a quantum type using a photoelectric effect or a thermal type element using a thermoelectromotive force is used. The temperature detecting element detects the absolute temperature of the corresponding detection region by receiving the radiant energy radiated from the object and performing output according to the amount of incident energy.

When the temperature detection element 41mn and the divided region ij of the temperature detection unit (thermal image capturing device) 21 have a one-to-one correspondence (see FIG. 4A), the temperature detection unit 21 captures a thermal image of the monitoring target region 100. I will take an image. At this time, the thermal image has the same number of pixels as the temperature detection elements 41. On the other hand, when the temperature detection element 41 of the temperature detection element (thermal image capturing apparatus) 21 and the divided areas 102 correspond to each other in a plurality of one-to-one (see FIG. 4B), the radiation energy from each divided area 102 corresponds. This is in accordance with the total output of the plurality of temperature detecting elements 41. In this case, for example, the average temperature detected by the plurality of temperature detection elements 41 is set as the temperature of the corresponding divided region 102.
(Configuration of control unit)
Next, details of the configuration of the control unit 24 will be described.

  As shown in FIG. 1, the CPU of the control unit 24 uses a monitoring program to obtain a time acquisition unit 51, an association unit 52, an ambient temperature acquisition unit 53, a power usage acquisition unit 54, a humidity acquisition unit 55, a solar radiation amount acquisition unit 56, It functions as an evaluation unit 57 and an evaluation notification unit 58. Each of the units 51 to 58 uses a required work area of the RAM as a temporary storage location for data. In addition, you may comprise these function implementation parts by hardware logics, such as a circuit, without using CPU.

  The time acquisition unit 51 acquires information on the current time based on the output of an RTC (Real Time Clock) or HPET (High Precision Event Timer) (not shown).

  The associating unit 52 associates at least the associating information that associates a part or all of the temperature Tij for each divided region 102ij with the time t at which the temperature detecting unit 21 detects the temperature in the storage unit 22 or via the transmitting / receiving unit 23. Then, the information is stored in the storage unit 34 of the information processing terminal 11 or the storage medium 201 on the network 200 (that is, at least one of the storage unit 34 and the storage medium 201). In the following description, an example in which association information is stored in the storage unit 22 will be described. In the following description, each piece of association information generated for each temperature detection by the temperature detection unit 21 is appropriately referred to as past data.

Further, the associating unit 52 receives the current ambient temperature Ta, the current used power P, the current humidity H, and the current from the ambient temperature acquiring unit 53, the used power acquiring unit 54, the humidity acquiring unit 55, and the solar radiation amount acquiring unit 56, respectively. When at least one of the solar radiation amounts S is received, the received information is further associated with the association information and stored in the storage unit 22.
FIG. 5 is an explanatory diagram illustrating an example of association information.

  The association information includes, for example, the temperature Tij and the time t for each divided region 102ij, the detection date YMD, the ambient temperature Ta according to the outside air temperature, the power consumption P of the electric equipment using the cubicle 101, and the humidity of the outside air Information on H, the amount of solar radiation S, and the like may be further associated.

  The association information is used when the evaluation unit 57 extracts past data as comparison target data for evaluating the temperature Tij for each current divided region 102ij. The evaluation unit 57 obtains a past temperature for each divided region 102ij by extracting past data that satisfies a predetermined condition from the association information. For this reason, it is expected that the more extraction conditions the extraction unit 57 has, the more flexible extraction results can be obtained and the user's desired past data can be extracted.

  When the evaluation unit 57 includes (uses) the date (date) YMD as a predetermined condition, the time acquisition unit 51 acquires the current date (date) YMD and gives it to the association unit 52. The temperature of the monitoring target area 100 changes greatly according to the change of the outside air temperature according to the change of the season. Therefore, by comparing the past data and the current data to which the date (date) at the time of temperature detection belongs in a predetermined period including the date before the previous year corresponding to the current date (date) YMD, the same season Thus, the influence of seasonal changes on the temperature of the monitoring target region 100 can be greatly reduced.

  When the evaluation unit 57 uses the ambient temperature Ta as a predetermined condition, the ambient temperature acquisition unit 53 acquires the current ambient temperature Ta and gives it to the association unit 52. For example, the ambient temperature acquisition unit 53 acquires information on the region 60 having high followability with the outside air temperature in the monitoring target region 100 in advance. Then, the ambient temperature acquisition unit 53 obtains the temperature of this region 60 based on the output of the temperature detection unit 21, and gives the temperature of this region 60 to the associating unit 52 as the ambient temperature Ta. FIG. 2 shows an example in which a part of the top plate of the cubicle 101 is the region 60.

  Moreover, when the electrical equipment temperature monitoring apparatus 10 includes a temperature sensor that measures the outside air temperature, the ambient temperature acquisition unit 53 may acquire the ambient temperature Ta based on the output of the temperature sensor. Further, the ambient temperature acquisition unit 53 may acquire the ambient temperature Ta by acquiring information on the current outside air temperature from the external database 202 via the network 200.

  When the evaluation unit 57 does not use the ambient temperature Ta as the predetermined condition, the control unit 24 may not function as the ambient temperature acquisition unit 53.

  The temperature of the monitoring target region 100 increases as the ambient temperature Ta increases, that is, the hotter the day, the higher the overall temperature. For this reason, in a method in which a predetermined temperature threshold is set for each divided region 102 and the measured temperature is determined to be abnormal when the temperature exceeds the predetermined temperature threshold, it is difficult to make an accurate determination due to the influence of the variation in the ambient temperature Ta. . Therefore, a change in the atmospheric temperature Ta is given to the temperature of the monitoring target region 100 by comparing past data measured when the atmospheric temperature Ta falls within a predetermined temperature range including the current atmospheric temperature Ta with current data. The impact can be greatly reduced.

  When the evaluation unit 57 uses the information on the used power P of the electrical equipment to which power is supplied via a member existing in the monitoring target area 100 of the cubicle 101 as a predetermined condition, the used power acquisition unit 54 Information on the used power P is acquired and given to the associating unit 52. The used power acquisition unit 54 acquires information on the current used power P from the used power monitoring device 203 that monitors the used power, for example, via the network 200.

  The temperature of the monitoring target area 100 increases as the ratio of the used power P to the rated power increases. Therefore, by comparing the past data measured when the used power P is included in the predetermined power range including the current used power P with the current data, the fluctuation of the used power P is given to the temperature of the monitoring target region 100. The impact can be greatly reduced.

  When the evaluation unit 57 does not use the information on the power usage P as a predetermined condition, the control unit 24 may not function as the power usage acquisition unit 54.

  When the evaluation unit 57 uses the outside air humidity H as a predetermined condition, the humidity acquisition unit 55 acquires information on the current outside air humidity H and provides the information to the association unit 52. The humidity acquisition unit 55 acquires information on the current humidity H of the outside air from the external database 202 via the network 200, for example. When the electrical equipment temperature monitoring device 10 includes a humidity sensor that measures the humidity H of the outside air, the humidity acquisition unit 55 may acquire the humidity H of the outside air based on the output of the humidity sensor.

  When the humidity H of the outside air is high, the use of an air conditioner (air conditioner) supplied with power from the cubicle 101 becomes active, and the power consumption P is expected to increase. Therefore, by comparing the past data measured when the humidity H falls within a predetermined humidity range including the current humidity H with the current data, the use of the air conditioner due to the fluctuation of the humidity H gives the temperature of the monitoring target region 100. The impact can be greatly reduced.

  When the evaluation unit 57 does not use the humidity H information as a predetermined condition, the control unit 24 may not function as the humidity acquisition unit 55.

  When the evaluation unit 57 uses the solar radiation amount S as a predetermined condition, the solar radiation amount acquisition unit 56 acquires information on the current solar radiation amount S and gives it to the associating unit 52. The solar radiation amount acquisition unit 56 acquires information on the current solar radiation amount S from the external database 202 via the network 200, for example. Moreover, when the electric equipment temperature monitoring apparatus 10 is provided with the solar radiation amount sensor which measures the solar radiation amount S, the solar radiation amount acquisition part 56 may acquire the solar radiation amount S based on the output of this solar radiation amount sensor.

  When the amount of solar radiation S is high, the use of an air conditioner (air conditioner) supplied with power from the cubicle 101 becomes active, and the power consumption P is expected to increase. Moreover, when the solar radiation amount S is high, naturally the atmospheric temperature Ta is expected to increase. Therefore, by comparing the past data measured when the solar radiation amount S is included in the predetermined solar radiation amount range including the current solar radiation amount S with the current data, the variation of the solar radiation amount gives the temperature of the monitoring target region 100. The impact can be greatly reduced.

  When the evaluation unit 57 does not use the information on the solar radiation amount S as a predetermined condition, the control unit 24 may not function as the solar radiation amount acquisition unit 56.

  The evaluation unit 57 extracts the past temperature for each divided region 102 by extracting the association information of at least one past time from the storage unit 22, the storage unit 34, or the storage medium 201 on the network 200 based on a predetermined condition. Ask. The evaluation unit 57 evaluates the normality of the temperature of the current monitoring target area 100 according to the difference between the past temperature for each divided area and the temperature for the current divided area, and outputs evaluation result information. To the evaluation notification unit 58.

  At this time, the evaluation unit 57 resets only the divided area set by the user via the input unit 31 of the information processing terminal 11 among the plurality of divided areas 102 as the monitoring target area 100, and sets other divided areas as the divided areas. You may exclude from monitoring object. In this case, the memory | storage part 22 should just memorize | store the correlation information which linked | related at least the temperature and detection time of the set division area which are some partial areas. In this case, an area that does not need to be monitored can be excluded from the monitoring target in the first place, so that the processing load of the control unit 24 can be reduced.

  FIG. 6 is an explanatory diagram showing an example of a setting image of past data extraction conditions.

  The evaluation unit 57 includes a condition setting unit 57a for setting a predetermined condition. The condition setting unit 57a reads and acquires information on a predetermined condition stored in the storage unit 22. As the predetermined conditions, those stored as initial settings in the storage unit 22 can be used. Further, for example, conditions set by the user may be stored in the storage unit 22, and the user setting conditions may be used as the predetermined conditions. When using conditions set by the user, the condition setting unit 57a of the evaluation unit 57 generates an extraction condition setting image as shown in FIG. 6 and instructs the terminal control unit 36 to display the display unit of the information processing terminal 11. 32.

  The user of the information processing terminal 11 can set a desired condition via the input unit 31 while confirming the setting image. The condition setting unit 57 a acquires user setting conditions via the network 200 and stores them in the storage unit 22, and acquires the user setting conditions from the storage unit 22 as necessary. The user setting conditions stored in the storage unit 22 can be appropriately changed by the condition setting unit 57 a based on a user instruction via the information processing terminal 11. The evaluation unit 57 extracts past data that satisfies the user setting conditions read from the storage unit 22 by the condition setting unit 57a from the association information.

  When the extracted past data is the past data at one time point, the evaluation unit 57 sets the temperature for each divided area of the past data as it is as the past temperature for each divided area 102ij. On the other hand, when the extracted past data is the past data at a plurality of points in time, the evaluation unit 57 calculates, for example, the average of the temperatures for each divided area of the past data for each divided area for each divided area 102ij. Let it be the past temperature.

  The evaluation unit 57 evaluates the normality of the temperature of the current monitoring target region 100 by obtaining the difference between the past temperature for each divided region 102ij acquired in this way and the temperature for each current divided region. When the extracted past data is past data at a plurality of time points, the evaluation unit 57 treats each past data as a past temperature for each divided region 102ij, and the temperature from the plurality of past data to the current data. The normality of the temperature of the current monitoring target area 100 may be evaluated based on the transition. This normality evaluation method will be described in detail below.

(Normality evaluation method)
Next, a method for evaluating the normality of the temperature of the current monitoring target area 100 will be specifically described.

  First, there is a method of determining whether or not there is an abnormality independently for each divided region 102ij (first method for determining independently for each divided region 102). In this method, for example, a predetermined temperature threshold value is set in advance for each divided region 102ij, and it is determined whether or not the difference between the past temperature and the current temperature is larger than its own threshold value for each divided region 102ij. Then, when there is a divided area larger than the threshold, the evaluation unit 57 outputs evaluation result information including information indicating that the temperature of the divided area is abnormal.

  In addition, as a second method of determining whether or not there is an abnormality independently for each divided region 102ij, a method of determining whether or not there is an abnormality based on the transition from past data at a plurality of past points to the current data May be used. The evaluation unit 57 may treat each past data as a past temperature for each divided region 102ij when past data at a plurality of past points are extracted by extraction under a predetermined condition. In this method, for example, a threshold value for the temperature increase rate is set in advance for each divided region 102ij, and it is determined for each divided region 102ij whether or not the temperature increase rate from a plurality of past data to the current data exceeds the threshold value. To do. Then, when there is a divided area exceeding the threshold, the evaluation unit 57 outputs evaluation result information including information indicating that the temperature of the divided area is abnormal.

  On the other hand, a method of determining whether or not the temperature distribution state of the entire monitoring target region 100 is abnormal may be used (first method of determining based on the temperature distribution state). In this method, the temperature distribution state of the current monitoring target region 100 is obtained from the current temperature of each divided region 102, and the monitoring target is obtained from association information (past data) at least in the past extracted based on a predetermined condition. The past temperature distribution state of the region 100 is obtained. And the normality of the temperature of the monitoring object area | region 100 is evaluated according to the difference of these temperature distribution states.

  As a method of evaluating the current distribution state according to the difference between these temperature distribution states, for example, a method using pattern matching of the distribution shape, or the distribution of observation values with categories of the number of areas at each measurement time in the cross tabulation table Various methods are conventionally known, such as a method for testing distribution differences based on the summarized results, and any of these methods can be used.

  Further, the evaluation unit 57 may use one of the divided regions as a reference region, and obtain the temperature distribution state from the difference between the temperature of the reference region and the temperature of the other divided regions (the second distribution determined by the temperature distribution state). Method).

  In addition, when past data at a plurality of past points is extracted by extraction based on a predetermined condition, the evaluation unit 57 calculates the temperature distribution state from each past data by the first method or the second method determined based on the temperature distribution state. (A third method of determining based on the temperature distribution state).

  In the third method, a plurality of past temperature distribution states are obtained. When the change rate from the plurality of past temperature distribution states to the current temperature distribution state exceeds a predetermined change rate, the evaluation unit 57 provides information indicating that the temperature distribution state of the monitoring target region 100 is abnormal. Output evaluation result information. When the ideal distribution state is stored in advance in the storage unit 22, the storage unit 34, or the storage medium 201 on the network 200, and the transition from the past to the present of the difference from the ideal distribution state is far from the ideal distribution state. Alternatively, it may be determined that there is an abnormality in the temperature distribution state of the monitoring target region 100. The ideal distribution state may be generated using past data such as an average of all past data, or may be configured by a set of threshold values of each divided region.

  When the divided area that causes the temperature distribution state to be determined to be abnormal in the first to third methods determined based on the temperature distribution state can be determined, the evaluation unit 57 determines the division area that has caused the temperature distribution state. Information may be included in the evaluation result information.

  Moreover, if the evaluation part 57 determines abnormality in at least one of the method of determining independently for each divided region 102 and the method of determining based on the temperature distribution state, information indicating that may be included in the evaluation result information.

For example, let us consider a case where a divided region that should be in a temperature distribution state that would normally have a higher temperature than the surrounding divided regions has a lower temperature than the surrounding divided regions. In this case, even if the temperature of the divided area is lower than a predetermined temperature threshold predetermined in this area, the user is warned as a divided area causing a temperature distribution state abnormality. Therefore, the evaluation unit 57 includes the information of the divided area that causes this in the evaluation result information.

  Similarly, the evaluation unit 57 may determine that there is no significant change in the overall temperature distribution state of the monitoring target region 100 even if there is a divided region whose temperature exceeds the threshold value. In this case, for example, two levels of threshold values are provided for each divided region, and it is determined that there is at least one that exceeds the upper threshold, and the one that exceeds the lower threshold but has a temperature equal to or lower than the upper threshold. If it is less than a predetermined number (for example, 3 areas or less) and there is no abnormality in the distribution state, it may be determined as normal.

(Image according to evaluation result information)
The evaluation notification unit 58 generates an image corresponding to the evaluation result information on the normality of the temperature of the current monitoring target region 100 by the evaluation unit 57 and displays the image on the display unit 32 of the information processing terminal 11.

  FIG. 7 is an explanatory diagram illustrating an example of a state in which an image 71 indicating information indicating that the temperature of the monitoring target region 100 is normal and a current temperature distribution image 72 are displayed on the display unit 32.

  If the output content of the evaluation result information is information indicating that the temperature of the monitoring target region 100 is normal, the evaluation notification unit 58 generates an image 71 indicating information indicating that the temperature of the monitoring target region 100 is normal. Are displayed on the display unit 32. In addition, the evaluation notification unit 58 generates a current temperature distribution image 72 and causes the display unit 32 to display the current temperature distribution image 72. The temperature distribution image 72 is a temperature distribution image 72 that lists the temperatures Tij for each of the divided regions 102ij of the monitoring target region 100. The temperature distribution image 72 is an image in which the display mode of the display area corresponding to the divided area is changed according to the temperature Tij for each divided area 102ij detected by the temperature detection unit 21 (for example, the color and brightness of the divided area 102ij). It is preferable that at least one of the images is different.

  FIG. 8 shows an abnormality notification image 73 indicating information indicating that there is an abnormality in the temperature of the monitoring target region 100 and an abnormal part image 74 presenting the position of the divided region that is the cause of the abnormality displayed on the temperature distribution image 72. FIG. 10 is an explanatory diagram illustrating an example of a state of being superimposed and displayed on a unit 32.

  When the output content of the evaluation result information includes information indicating that the temperature of the monitoring target region 100 is abnormal, the evaluation notification unit 58 indicates an abnormality notification indicating information indicating that the current temperature of the monitoring target region 100 is abnormal. An image 73 is generated and displayed on the display unit 32. At this time, the evaluation notification unit 58 may notify the user of information indicating that there is an abnormality in the temperature of the current monitoring target area 100 by a warning sound via the speaker 35 of the information processing terminal 11.

  When the output content of the evaluation result information includes information on the divided area that is the cause of the abnormality, the evaluation notification unit 58 generates the abnormal part image 74 for presenting the position of the divided area that is the cause of the abnormality. The temperature distribution image 72 is superimposed and displayed.

  FIG. 9 is an explanatory diagram showing an example of a state in which the past temperature distribution state image 75 used by the evaluation unit 57 for the normality evaluation is displayed in parallel with the temperature distribution image 72 on the display unit 32.

  The evaluation notification unit 58 may generate an image 75 of the past temperature distribution state used by the evaluation unit 57 for the normality evaluation and display it on the display unit 32. In this case, the user can compare and confirm the image 75 to be compared at the time of evaluation and the current temperature distribution image 72 by himself / herself, and can easily grasp the abnormal part.

  FIG. 7-9 shows an example in which the temperature distribution image 72 and the past temperature distribution state image 75 are displayed as a two-dimensional image, but these images are a bar graph or the like with the temperature on the vertical axis. May be displayed as a three-dimensional image. In the case of a three-dimensional image, since the temperature distribution state can be visually grasped as its shape, the user can more easily monitor the temperature distribution state.

(Operation)
Next, an example of operation | movement of the electrical equipment temperature monitoring system 1 containing the electrical equipment temperature monitoring apparatus 10 which concerns on this embodiment is demonstrated.

  FIG. 10 is a flowchart illustrating an example of a procedure for accurately monitoring the state of the monitoring target region 100 of the electric facility by using the temperature history of the electric facility by the control unit 24. In FIG. 8, reference numerals with numbers added to S indicate steps in the flowchart.

  First, in step S1, the temperature detection unit 21 divides the monitoring target region 100 based on the radiant energy of the plurality of monitoring target members existing in the monitoring target region 100 located within a predetermined viewing angle. The temperature for each 102 is detected.

  Next, in step S2, the associating unit 52 determines the temperature Tij for each divided region 102ij, the time t when the temperature detecting unit 21 detects the temperature, the ambient temperature Ta, the current power consumption P, the current humidity H, and the current The association information that associates the solar radiation amounts S with each other is stored in the storage unit 22, the storage unit 34, or the storage medium 201 on the network 200 (see FIG. 5).

  Next, in step S <b> 3, the evaluation unit 57 associates at least one point in time in the past based on predetermined conditions such as initial setting conditions stored in the storage unit 22 and user setting conditions stored in the storage unit 22. Is extracted from the storage unit 22, the storage unit 34, or the storage medium 201 on the network 200 (see FIG. 6), thereby obtaining the past temperature for each divided region 102.

  Next, in step S4, the evaluation unit 57 evaluates the normality of the temperature of the current monitoring target region 100 according to the difference between the past temperature for each divided region and the temperature for the current divided region. To output evaluation result information.

  Next, in step S5, the evaluation notification unit 58 presents information corresponding to the evaluation result information to the user via the speaker 35 and the display unit 32 (see FIG. 7-9).

  With the above procedure, it is possible to accurately monitor the state of the monitoring target region 100 of the electrical equipment by using the temperature history of the electrical equipment.

  The electrical equipment temperature monitoring apparatus 10 according to the present embodiment extracts past data of the temperature for each divided region 102 of the monitoring target region 100 based on a predetermined condition. Then, the normality of the temperature of the current monitoring target region 100 can be evaluated by comparing the extracted past data with the current temperature of each divided region 102. For this reason, compared with the case where normality is evaluated by comparing the current temperature data with a predetermined threshold, the state of the monitoring target region 100 of the electrical equipment can be remotely monitored in a non-contact and multipoint manner. . Further, since the predetermined condition can be set flexibly, the user's desired evaluation result can be obtained easily and accurately.

  FIG. 11 is a block diagram illustrating a first modification of the electrical facility temperature monitoring apparatus 10.

  When a thermopile array is used as the temperature detection unit 21 (see FIG. 3), or when a thermography device is used as the temperature detection unit 21, the temperature detection elements 41 and the divided regions 102 correspond to a plurality of one-to-one (FIG. 4 ( b)), the temperature distribution image 72 is an image in which it is difficult to visually recognize the shape of the member existing in the monitoring target region 100 (see FIG. 7-9). Further, even when a thermography device is used as the temperature detection unit 21 and the temperature detection element 41 and the divided region 102 correspond one-to-one (see FIG. 4A), the thermal image is generally an edge. Since this is a dull image, it is difficult to visually recognize the shape of the member.

  Therefore, an image obtained by capturing the monitoring target area 100 with a so-called general optical camera in advance in the storage unit 22, the storage unit 34, or the storage medium 201 on the network 200 (the user can visually recognize the shape of the members of the monitoring target area 100). An image of the monitoring target area 100 having resolution (hereinafter referred to as a camera image) is stored. The image may be displayed in parallel or superimposed on the temperature distribution image 72 by the evaluation notification unit 58. In this case, for example, the user can easily visually recognize a member existing in an abnormal divided region shown in the abnormal part image 74.

  Moreover, the electrical equipment temperature monitoring apparatus 10 may further include a camera 80 (see FIG. 11). In this case, the evaluation notifying unit 58 causes the camera 80 to capture the camera image of the monitoring target region 100 at a desired timing in accordance with an imaging instruction from the user via the input unit 31 or in accordance with the output timing of the evaluation result information. The distribution image 72 can be displayed in parallel or superimposed. For this reason, it is possible to confirm the camera image of the monitoring target region 100 with higher real-time characteristics compared to the camera image acquired in advance, and it is possible to easily visually recognize the abnormality currently occurring.

  FIG. 12 is an explanatory diagram illustrating an example of a state in which the temperature detection unit 21 and the camera 80 monitor the monitoring target region 100 at substantially the same expected angle.

  It is preferable that the temperature detection unit 21 and the camera 80 monitor the monitoring target region 100 at substantially the same expected angle. Therefore, the holding unit 26 integrally holds the temperature detection unit 21, the lens 25, and the camera 80 so that the temperature detection unit 21 and the camera 80 can monitor the monitoring target region 100 at substantially the same expected angle. To do. In the temperature detection unit 21, the lens 25, and the camera 80, the expected angle with respect to the monitoring target region 100 is integrally adjusted according to the movement of the holding unit 26 by manual operation or by remote operation by the information processing terminal 11.

  FIG. 13 is a block diagram illustrating a second modification of the electrical facility temperature monitoring apparatus 10. FIG. 14 is a block diagram showing a third modification of the electrical equipment temperature monitoring device 10. In FIG. 13 and FIG. 14, an imaginary line (two-dot chain line) indicating the viewing angle of the camera 80 is omitted to avoid complexity.

  The reflected light of the light source 300 such as the sun may enter the temperature detection unit 21 when the monitoring target region 100 is installed in an open state outdoors. In this case, an abnormal value of the temperature of the divided region 102xy that reflects the light source 300 is detected by the temperature detection unit 21.

  Therefore, the electrical equipment temperature monitoring device 10 has the same configuration as the temperature detection unit 21 and is provided at a position different from the temperature detection unit 21 to measure the temperature of each of the plurality of divided regions from an angle different from the temperature detection unit 21. It is good to provide the other temperature detection part 21 to detect. At this time, a plurality of electrical equipment temperature monitoring devices 10 may be provided (see FIG. 13), or only two temperature detection units 21 are provided, while the storage unit 22, the transmission / reception unit 23, and the control unit 24 include two temperature detection units 21. (See FIG. 14).

  In this case, the evaluation unit 57 evaluates the normality of the temperature of the current monitoring target region 100 based on the past temperature for each divided region and the temperature for each current divided region, and outputs evaluation result information. The divided region 102xy where the temperature difference between the temperature detection unit 21 and the other temperature detection unit 21 is larger than the predetermined temperature difference is excluded. As a result, erroneous detection of abnormality due to the influence of the light source 300 can be prevented in advance.

  In addition, although some embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

  For example, in the case where only the divided area set by the user is reset as the monitoring target area 100, if the camera image and the temperature distribution image 72 are displayed in parallel or superimposed, the user does not need to be more accurately monitored. Good areas can be excluded from monitoring.

DESCRIPTION OF SYMBOLS 1 Electric equipment temperature monitoring system 10 Electric equipment temperature monitoring apparatus 11 Information processing terminal 21 Temperature detection part 22 Storage part 25 Lens 31 Input part 32 Display part 34 Storage part 41 Temperature detection element 52 Association part 54 Used electric power acquisition part 57 Evaluation part 58 Evaluation notification unit 72 Temperature distribution image 73 Abnormality notification image 80 Camera 100 Monitoring target area 102 Divided area

Claims (23)

A temperature detection unit that detects the temperature of each of the plurality of divided regions obtained by dividing the monitoring target region based on the radiant energy of a member existing in the monitoring target region located within a predetermined viewing angle;
An associating unit for storing in the storage unit association information that associates the temperature for each of the divided regions, the time at the time of detection by the temperature detection unit , and the environmental condition of the monitoring target region ;
In order to reduce the influence of the environmental condition of the monitoring target region on the temperature of the monitoring target region, the association information at least in the past associated with the environmental condition belonging to the environmental condition range including the current environmental condition is The past temperature for each of the divided areas detected under the environmental conditions belonging to the environmental condition range is obtained by extracting from the storage unit, and the past temperature for each of the divided areas and the current temperature for each of the divided areas are An evaluation unit that evaluates the normality of the temperature of the current monitoring target area according to the difference and outputs evaluation result information; and
Electrical equipment temperature monitoring device equipped with. The evaluation unit is
When the association information of a plurality of time points associated with environmental conditions belonging to the environmental condition range is extracted from the storage unit, an average temperature at the plurality of time points is obtained for each of the divided regions and is set as a past temperature for each of the divided regions. ,
The electrical equipment temperature monitoring apparatus according to claim 1. The association unit includes
To the association information, the outside air temperature during temperature detection acquired from an external database through a predetermined temperature at the time of temperature detection of the divided regions, or network, of the previous SL plurality of divided regions, at the time of temperature detection As the ambient temperature , it is stored in the storage unit in association with the environmental condition of the monitoring target area ,
The evaluation unit is
The current temperature of the predetermined divided area is set as the current atmospheric temperature, or the current outside air temperature acquired from an external database via the network is set as the current atmospheric temperature, and a predetermined temperature range including the current atmospheric temperature Extracting the association information associated with the ambient temperature belonging to the storage unit,
The electrical equipment temperature monitoring apparatus according to claim 1 or 2. A used power acquisition unit that acquires information on the used power of a device to which power is supplied via a member existing in the monitoring target area,
Further comprising
The association unit includes
To the association information, associating information of the power consumption at the time of temperature detection as environmental conditions of the monitored area is stored in the storage unit,
The evaluation unit is
Extracting the association information associated with the used power belonging to a predetermined power range including the current used power from the storage unit;
The electrical equipment temperature monitoring apparatus according to claim 2 or 3. The association unit includes
To the association information, associating the date when temperature detected as the environmental condition of the monitored area is stored in the storage unit,
The evaluation unit is
Extracting the association information associated with a date at the time of temperature detection belonging to a predetermined period including a date before the previous year corresponding to the current date from the storage unit;
The electrical equipment temperature monitoring apparatus according to any one of claims 2 to 4. The evaluation unit is
Find the difference between the current temperature for each of the divided areas and the past temperature for each of the divided areas, and if there is a divided area in which the difference is greater than a predetermined threshold, output evaluation result information including information on the divided areas.
The electrical equipment temperature monitoring apparatus according to any one of claims 1 to 5. The evaluation unit is
The current temperature of each of the divided regions with obtaining the temperature distribution of the current of the monitored area, the monitoring target region from the association information environmental conditions belonging to the environmental condition range of at least 1 point in the past is associated Obtaining a past temperature distribution state, and evaluating the normality of the temperature distribution state of the current monitoring target region according to the difference between these temperature distribution states, and outputting evaluation result information,
The electrical equipment temperature monitoring apparatus according to any one of claims 1 to 6. The evaluation unit is
One of the divided areas is set as a reference area, and the temperature distribution state is obtained from the difference between the temperature of the reference area and the temperature of the other divided area.
The electrical equipment temperature monitoring apparatus according to claim 7. The evaluation unit is
When the association information at a plurality of time points associated with the environmental conditions belonging to the environmental condition range is extracted, an average temperature at the plurality of time points is obtained for each divided region, and the past temperature of the monitoring target region is calculated from the average temperature for each divided region. Find the temperature distribution state of
The electrical equipment temperature monitoring apparatus according to claim 7 or 8. The evaluation unit is
If there is a divided region where the difference between the current temperature for each divided region and the past temperature for each divided region is larger than a predetermined threshold, and the current temperature distribution state of the monitored region and the past of the monitored region When the difference with the temperature distribution state is larger than the predetermined difference, in at least one of the cases, the evaluation result information including information indicating that there is an abnormality in the temperature of the current monitoring target region is output.
The electrical equipment temperature monitoring device according to any one of claims 7 to 9. Other temperature detection units that have the same configuration as the temperature detection unit and that are provided at different positions from the temperature detection unit and detect the temperature of each of the plurality of divided regions from an angle different from the temperature detection unit,
Further comprising
The evaluation unit is
When evaluating the normality of the temperature of the current monitoring target area based on the past temperature for each divided area and the current temperature for each divided area and outputting evaluation result information, the temperature detection unit and the Excluding divided regions where the temperature difference with other temperature detectors is greater than the predetermined temperature difference,
The electrical equipment temperature monitoring apparatus according to any one of claims 1 to 10. The temperature detector is
A temperature sensor array in which a plurality of temperature sensors are two-dimensionally arranged,
An optical lens for converging radiant energy from the predetermined viewing angle on the temperature sensor array;
Further comprising
Each of the plurality of temperature sensors is
Detecting the temperature of the corresponding detection area by receiving the radiant energy radiated from the object and generating a thermoelectromotive force according to the amount of incident energy,
Each of the divided areas is
The detection areas of the plurality of temperature sensors and the respective divided areas coincide with each other, and the temperature for each of the divided areas is the detected temperature of each corresponding temperature sensor, or the plural of the detection areas and the respective divided areas coincide with each other. The temperature for each divided region is an average temperature of the detection temperatures of the corresponding plurality of detection regions.
The electrical equipment temperature monitoring device according to any one of claims 1 to 11. The temperature detector is
A thermal imaging device having a plurality of temperature detection elements;
An optical lens for converging radiant energy from the predetermined viewing angle on the thermal imaging device;
Further comprising
Each of the plurality of temperature detection elements is
Detect the temperature of the corresponding detection area by receiving the radiant energy radiated from the object and performing output according to the amount of incident energy,
Each of the divided areas is
The detection regions of the plurality of temperature detection elements coincide with the divided regions so that each pixel of the thermal image obtained by imaging the monitoring target region by the thermal image capturing device corresponds to each of the divided regions, and the divided regions. The temperature for each region is the detection temperature of each corresponding temperature detection element, or the plurality of the detection regions coincide with each division region, and the temperature for each division region is the average of the detection temperatures of the corresponding plurality of temperature detection elements Temperature,
The electrical equipment temperature monitoring device according to any one of claims 1 to 11. The optical lens is
It is configured to be replaceable by the user according to the distance from the temperature detection unit to the monitoring target region, so that the one having a viewing angle corresponding to the distance from the temperature detection unit to the monitoring target region is used.
The electrical equipment temperature monitoring apparatus according to claim 12 or 13. Connected to an information processing terminal operated by the user so that data can be transmitted and received,
An evaluation notification unit that generates an image according to the evaluation result information of the normality of the temperature of the current monitoring target region by the evaluation unit and displays the image on the display unit of the information processing terminal;
Further equipped with,
The electrical equipment temperature monitoring apparatus according to any one of claims 1 to 14. The evaluation notification unit
When the evaluation result information including information indicating that the current temperature of the monitoring target area is abnormal is output by the evaluation unit, information indicating that the current temperature of the monitoring target area is abnormal is output to the information processing terminal. To notify the user of the abnormality via the information processing terminal,
The electrical equipment temperature monitoring apparatus according to claim 15. The evaluation notification unit
A temperature distribution image that lists temperatures for each of the divided regions of the monitoring target region as an image according to the current evaluation result information of the normality of the temperature of the monitoring target region, and is detected by the temperature detection unit The temperature distribution image in which the display mode of the display area corresponding to the divided area is changed according to the temperature of each divided area is generated and displayed on the display unit, and the current monitoring target is displayed by the evaluation unit When evaluation result information indicating that there is an abnormality in the temperature of the region is output, an abnormality notification image indicating information indicating that there is an abnormality in the temperature of the current monitoring target region is generated and superimposed on the temperature distribution image To notify the user of abnormalities,
The electrical equipment temperature monitoring apparatus according to claim 16. The evaluation notification unit
An image of the monitoring target area having a resolution with which a user can visually recognize the shape of the member of the monitoring target area is acquired in advance, and the image of the monitoring target area and the temperature distribution image are combined in parallel or superimposed with each other. Display on the display at the same time,
The electrical equipment temperature monitoring apparatus according to claim 17. A camera configured to be capable of capturing an image having a resolution with which a user can visually recognize the shape of the member of the monitoring target region, and providing the evaluation notification unit with an image of the monitoring target region;
Further comprising
The evaluation notification unit
An image of the current monitoring target area captured by the camera is acquired from the camera, and the current monitoring target area image and the temperature distribution image are displayed simultaneously on the display unit in parallel or superimposed. Let
The electrical equipment temperature monitoring apparatus according to claim 18. A holding member that integrally holds the temperature detection unit and the camera such that the temperature detection unit and the camera can monitor the monitoring target region at substantially the same expected angle;
Further equipped with,
The electrical equipment temperature monitoring apparatus according to claim 19. The evaluation unit is
Of the plurality of divided areas, a divided area set by the user via the input unit of the information processing terminal is reset as the monitoring target area, and other divided areas are excluded from the monitoring target.
The electrical equipment temperature monitoring device according to any one of claims 15 to 20. The storage unit
Including at least one of a storage medium provided in its own device and an external storage medium connected via a network,
The electrical equipment temperature monitoring device according to any one of claims 1 to 21. Electrical equipment temperature monitoring system comprising: an electrical equipment temperature monitoring device for monitoring the temperature of a monitoring target region located within a predetermined viewing angle; and an information processing terminal connected to the electrical equipment temperature monitoring device so as to be able to transmit and receive data Because
The electrical equipment temperature monitoring device is:
A temperature detection unit that detects a temperature for each of a plurality of divided regions obtained by dividing the monitoring target region based on radiant energy of a member existing in the monitoring target region located within the predetermined viewing angle;
An associating unit for storing in the storage unit association information that associates the temperature for each of the divided regions, the time at the time of detection by the temperature detection unit , and the environmental condition of the monitoring target region ;
In order to reduce the influence of the environmental condition of the monitoring target area on the temperature of the monitoring target area, the association information of at least one past time point associated with the environmental condition belonging to the environmental condition range including the current environmental condition is The past temperature for each of the divided areas detected under the environmental conditions belonging to the environmental condition range is obtained by extracting from the storage unit, and the past temperature for each of the divided areas and the current temperature for each of the divided areas are An evaluation unit that evaluates the normality of the temperature of the current monitoring target area according to the difference and outputs evaluation result information; and
An evaluation notification unit that generates an image according to the evaluation result information of the normality of the temperature of the current monitoring target region by the evaluation unit and gives the information processing terminal;
Have
The information processing terminal
A display unit that displays an image corresponding to the evaluation result information of the normality of the temperature of the current monitoring target area by the evaluation unit, received from the evaluation notification unit;
Having
Electrical equipment temperature monitoring system.