JP6030999B2 - Equipment replacement work efficiency improvement system and equipment replacement work efficiency improvement method - Google Patents

Description

  The present invention relates to an apparatus replacement work efficiency improvement system and an apparatus replacement work efficiency improvement method, and more specifically, apparatus replacement for determining a deterioration state of an apparatus and determining the content of the replacement work based on the determination result. The present invention relates to a work efficiency improvement system and a device replacement work efficiency improvement method.

  In recent years, with the progress of the information society, one or more information communication devices are installed in many ordinary houses and offices. The information communication apparatus refers to, for example, a rental ONU (Optical Network Unit), an ADSL (Asymmetric Digital Subscriber Line) modem, or the like. The information communication apparatus has a lifetime due to deterioration of internal elements of the information communication apparatus, and needs to be replaced as needed before the lifetime is reached.

  The replacement work of the information communication apparatus that has reached the replacement time is performed by dispatching a person in charge from a maintenance management company in which a maintenance center for managing the information communication apparatus is installed. Improving the efficiency of dispatching workers in charge of replacing information communication devices is directly linked to the cost of the replacement work. For example, a method for patroling all dispatch destinations by the shortest route has been extensively studied as a “traveling salesman problem” (see, for example, Patent Document 1 and Patent Document 2).

"Travel Salesman Problem", [online], Wikipedia, [Search May 25, 2013], Internet, <URL: http://en.wikipedia.org/wiki/ Traveling Salesman Problem> “Optimum route search service (free)” NCM Co., Ltd. <URL: http://www.ncm-git.co.jp/pr/corecompetence/erexASP_Menu.html> “Technical note: How to use aluminum electrolytic capacitors,“ 5. Life of aluminum electrolytic capacitors ”, Nippon Chemi-Con Corporation, http://www.chemi-con.co.jp/catalog/pdf/al-j/ al-sepa-j / 001-guide / al-technote-j-130101.pdf, p.7-9 “Technical note: How to use aluminum electrolytic capacitors,“ 3. Reliability ””, Nippon Chemi-Con Corporation, http://www.chemi-con.co.jp/catalog/pdf/al-j/al-sepa -j / 001-guide / al-technote-j-130101.pdf, p.6

  Since the person in charge of the work is dispatched to the house or office where the information communication device that has reached the replacement time is installed and returns home, it takes time for one round trip to replace one information communication device. there were. Conventionally, the status of the information communication device installed in the house or office around the house or office where the information communication device to be replaced is installed has been considered in the replacement work. There wasn't. Therefore, when there were multiple replacement work for information communication devices installed in a house or office in a remote area in the same direction, an inefficient replacement work was unavoidably dispatched individually. There was a problem. In addition, there is a problem that the travel time of the worker is increased in proportion to the number of installation locations of the information communication device, and costs are increased according to the number of installation locations of the information communication device.

  The present invention has been made in view of such a problem, and the object of the present invention is to make it possible to simultaneously replace a plurality of deteriorated information communication devices installed in the vicinity. An object of the present invention is to provide a device replacement work efficiency system and a device replacement work efficiency method that enable efficient dispatch of work personnel.

  As a means for solving the above-mentioned problems, the present invention grasps the deterioration status and location of each information communication device managed in advance by the maintenance center, and removes any information communication device for the situation change or lifetime over time. When replacing, it is characterized by considering the situation of information communication devices installed in the vicinity. The present invention also determines whether or not to replace at the same time in order to reduce the replacement work time of the worker, and utilizes the information communication device for reducing the replacement work time of the future worker. It is characterized by determining whether or not to replace. The utilization information communication device refers to an information communication device that is rented back and has a certain lifetime, and refers to an information communication device that is utilized (reused) as necessary.

Invention of Claim 1 is an apparatus replacement work efficiency system provided with the communication apparatus which monitors the condition of the 1st information communication apparatus, and the condition of the 2nd information communication apparatus, The communication apparatus, The first operation time of the first information communication device and the first life time of the first information communication device stored in the storage unit are extracted from the storage unit, and from the extracted first operation time When the first value obtained by dividing the extracted first lifetime is equal to or greater than a first threshold, the first information communication device is set as a replacement work target, and the replacement work target When the first distance between the first information communication device and the second information communication device is equal to or less than the second threshold, the second information communication device is the target of the replacement work. The neighboring information communication device of the first information communication device is the neighboring information communication device stored in the storage unit. The second operation time of the device and the second life time of the neighboring information communication device are extracted from the storage unit, and obtained by dividing the extracted second life time from the extracted second operation time. The value is a second value, a value obtained by dividing a second distance between the communication device and the first information communication device from the first distance is a third value, and the second value is When the fourth value obtained by dividing the value by the third value is equal to or greater than the third threshold value, the neighboring information communication device is the target of the replacement work, and the fourth value is the fourth value. When it is larger than the threshold value and less than the third threshold value, the first information communication device that is the target of the replacement work is operated in a third operation time that is close to the extracted second operation time. It is characterized in that it is replaced with a utilization information communication device.

  As described above, according to the present invention, when an information communication device is replaced, it is possible to dispatch an efficient person in charge by replacing the information communication device in consideration of the situation of neighboring information communication devices. This makes it possible to reduce the dispatch time of workers. Further, by using a utilization information communication device that takes into account the status of neighboring information communication devices as the information communication device to be replaced, the replacement cost can be reduced.

It is a figure showing the relationship of the distance recognized as a neighboring information communication apparatus with respect to the distance between the maintenance center and the information communication apparatus to be replaced according to an embodiment of the present invention. It is a block diagram which shows the apparatus replacement work efficiency improvement system concerning the 1st Embodiment of this invention. It is a replacement judgment flowchart of the information communication apparatus performed by the replacement determination part concerning the 1st Embodiment of this invention. It is a block diagram which shows the apparatus replacement work efficiency improvement system concerning the 2nd Embodiment of this invention. It is the replacement judgment flowchart of the information communication apparatus performed by the replacement determination part concerning the 2nd Embodiment of this invention. It is a block diagram which shows the apparatus replacement work efficiency improvement system concerning the 3rd Embodiment of this invention. It is a replacement judgment flowchart of the information communication apparatus performed by the replacement determination part concerning the 3rd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

(Basic configuration of the invention)
FIG. 1 shows a relationship between a distance recognized as a neighboring information communication device and a distance between a maintenance center and an information communication device to be replaced according to an embodiment of the present invention. The maintenance center 10 collects the serial number (ID), position information, and deterioration status information of the information communication devices 20 to 70 in the storage unit 10 in order to monitor the status of the information communication devices 20 to 70. And store and manage.

  The distance between the center point of the maintenance center 10 and the center point of the information communication device to be replaced is a. In addition, the distance from the center point of the information communication device to be replaced is b. An information communication device that is within a circle of radius b centered on the center point of the information communication device to be replaced is referred to as a neighboring information communication device of the information communication device to be replaced. Neighboring information communication device refers to an information communication device that may be replaced at the same time as the information communication device to be replaced. Also, depending on the deterioration status of the neighboring information communication device, information communication to be replaced It is determined whether the device is replaced with a new information communication device or a utilization information communication device.

  In FIG. 1, the distance from the center point of the maintenance center 10 to the center point of the information communication apparatus 20 is a (1), and the distance from the center point of the maintenance center 10 to the center point of the information communication apparatus 50 is a (2). And The distance from the center point of the information communication device 20 to the center point of the information communication device 40 is c, and the distance from the center point of the information communication device 50 to the center point of the information communication device 70 is also c.

  The distance from the center point of the information communication apparatus 20 is b (1). In FIG. 1, the information communication device 30 is included in a circle having a radius b (1) with the information communication device 20 as the center, but the information communication device 40 is not included. In addition, the distance from the center point of the information communication device 5 is b (2). In FIG. 1, the information communication device 60 and the information communication device 70 are included in a circle having a radius b (1) with the center point of the information communication device 50 as the center.

  An information communication device that is within a circle of radius b (1) centered on the center point of the information communication device 20 is referred to as a neighboring information communication device of the information communication device 20. An information communication device that is within a circle of radius b (2) centered on the center point of the information communication device 50 is referred to as a neighboring information communication device of the information communication device 50.

b / a = B (Formula 1)
B is a constant and is a preset value (details will be described later). The distance b (1) is obtained by substituting a preset distance a (1) for a in (Expression 1). The distance b (2) is obtained by substituting a preset distance a (2) for a in (Equation 1).

  In FIG. 1, the information communication device 30 is a neighboring information communication device of the information communication device 20, and the information communication device 60 and the information communication device 70 are neighboring information communication devices of the information communication device 50. For the information communication device 40, the distance c from the center point of the information communication device 20 to the center point of the information communication device 40 is the same as the distance c from the center point of the information communication device 50 to the center point of the information communication device 70. Distance. However, since the distance a (2) is longer than the distance a (1), the distance b (2) is longer than the distance b (1) from (Equation 2). Therefore, as illustrated in FIG. 1, the information communication device 40 may not be a neighboring information communication device of the information communication device 20, but the information communication device 70 may be a neighboring information communication device of the information communication device 50.

The basic operation of one embodiment of the present invention will be described below.
(1) On the maintenance center 10 side, the serial number, position information, and deterioration status information of each of the information communication devices 20 to 70 to be managed are collected.
(2) The maintenance center 10 starts the determination when the value representing the deterioration status of one information communication device is equal to or greater than the threshold value, and replaces one information communication device as a replacement target. The value representing the deterioration state is, for example, a value of an expected life time to be described later.
(3) The maintenance center 10 obtains the distance b from the distance a between the center point of the maintenance center 10 and the center point of the information communication apparatus that is the replacement target using (Equation 1), and The neighboring information communication device within the circle of radius b centered on the center point of the information communication device is searched.
(4) The maintenance center 10 determines whether or not the information communication device subject to replacement has deteriorated and the deterioration information of neighboring information communication devices.
i) Replace only the information communication device that is the replacement target with a new information communication device.
ii) Replacing the information communication device and neighboring information communication device to be replaced with a new information communication device
iii) Replacing the information communication device subject to replacement with a utilization information communication device having a situation close to the deterioration status of the neighboring information communication device
I) to iii).

  For iii), the person in charge of the work replaces the cost of the replacement work with a new information communication device by replacing the information communication device that has reached the time of replacement with a utilization information communication device. Can be kept low. When selecting a utilization information communication device to be replaced with an information communication device that has reached the replacement time, a utilization information communication device whose life of the utilization information communication device is close to that of the neighboring information communication device is selected. By bringing the life of the utilization information communication device close to the life of the neighboring information communication device, the replacement work that should be performed in the next round trip can be completed in one round trip. Increase efficiency.

(First embodiment)
FIG. 2 shows a configuration diagram of an apparatus replacement work efficiency improvement system according to the first embodiment of the present invention. Information communication device 21, information communication device 31,... Information communication device X, and maintenance center (communication device) 11 are each connected to a communication NW (Network) 801 by a communication line.

  The apparatus replacement efficiency system according to the first embodiment of the present invention includes a timekeeping unit 201 that measures the current time, and positional information and expected life associated with serial numbers (IDs) of information communication apparatuses. And a storage unit 101 that stores information on the information communication device 21, information on the information communication device 31,... Further, the apparatus replacement work efficiency system according to the present embodiment includes a control unit 301 that calculates an operation time from a difference between the current time measured by the time measuring unit 201 and the operation start time stored in the storage unit 101, and a calculation. A comparison unit 401 that compares the operation time of each information communication device and the expected life of each information communication device. Furthermore, the apparatus replacement work efficiency system according to the present embodiment determines that the information communication apparatus is a target of the replacement work based on the comparison result, and performs the replacement based on the stored position information of the information communication apparatus. A replacement determining unit 501 is provided for searching for neighboring information communication devices of the information communication device whose replacement is determined. Further, the device replacement work efficiency system according to the present embodiment includes the expected life and operation time of the searched neighbor information communication device, the distance between the information communication device and the neighbor information communication device that are the targets of the replacement work, and Whether the information communication device subject to the replacement work is replaced with a new information communication device or a utilization information communication device, and whether the neighboring information communication device is replaced with a new information communication device. A replacement determining unit 501 for determining the display and a display unit 601 for displaying the result determined by the replacement determining unit 501.

The operation of the first embodiment of the present invention will be described below. The present embodiment is an embodiment in the case where the information indicating the deterioration status of the information communication device is the operation time. The information communication apparatus needs to be replaced before the designed expected life is reached due to the deterioration of the internal elements depending on the time the information communication apparatus is operated. Therefore, the maintenance center 11 grasps the position information, expected life and operation time of each information communication device managed in the maintenance center 11, and determines how to replace when the operation time approaches the expected life. To do.
(1) The storage unit 101 in the maintenance center 11 stores in advance the serial number, position information, operation start time, and expected life of each information communication device in charge.
(2) The control unit 301 periodically obtains the current time from the time measuring unit 201, and calculates the operation time from the difference from the operation start time stored in the storage unit 101 and associated with the serial number of each information communication device. Then, the data is returned to the storage unit 101. The calculated operation time is associated with the serial number of each information communication device in the storage unit 101. The operation time is stored as information of each information communication device. The stored operation time is used for grasping the deterioration state of the information communication apparatus when the rental back is performed.
(3) After storing the operation time of all information communication devices to be managed, the comparison unit 401 extracts the operation time and expected life of each information communication device from the storage unit 101, and determines the operation time of each information communication device. The expected lifetimes are compared, and the comparison result is transmitted to the replacement determination unit 501.
(4) The replacement determination unit 501 determines whether to replace the information communication device from the comparison result.
(5) The replacement determination unit 501 grasps the neighboring information communication device of the information communication device to be replaced from the position information of each information communication device in the storage unit 101. Then, the replacement determination unit 501 replaces the neighboring information communication device from the information history in the storage unit 101 at the same time, or replaces the information communication device to be replaced with a new information communication device or utilization information communication. It is determined whether or not the device is to be replaced and displayed on the display unit 601.

  FIG. 3 shows a replacement determination flowchart of the information communication apparatus performed by the replacement determination unit 501 of the first embodiment according to the present invention. The replacement decision is made according to the following policy. As a preparation stage, information of each information communication device is input to the storage unit 101 (S101).

i) The ratio of the operation time of an arbitrary information communication device (first information communication device) to the expected life is expressed by the following (Equation 3). When (Tr / Lr) (first value) in (Expression 3) is greater than or equal to A (first threshold value), the process starts (S102), and the information communication apparatus is replaced.
Tr / Lr ≧ A (Formula 3)
Tr (first operation time) represents the operation time of the information communication apparatus targeted for replacement, and Lr (first life time) represents the expected life of the information communication apparatus targeted for replacement. A is a constant and is stored in the storage unit 101 in advance. When the constant A is 1 or more, it indicates that the information communication apparatus has reached the end of life, and when the constant A is less than 1, it indicates that the life of the information communication apparatus remains. In the present embodiment, the constant A is set in advance to, for example, A = 0.8 by the control unit 301, and when the Tr / Lr quotient is 0.8 or more, the replacement determining unit 501 determines that the information communication device is a replacement target. The

  ii) When Tr / Lr of the ratio of the operation time of any information communication device to the expected life (Equation 3) is less than A, the information communication device is not replaced (S104).

iii) Substituting the distance b from the information communication device to be replaced into (Equation 1), the distance a (second distance) between the maintenance center 11 and the information communication device to be replaced, and a constant B And ask. An information communication device in which the distance bk (first distance) to the information communication device to be replaced is within b (second threshold) is set as a neighboring information communication device (S103).
bk ≦ b (Formula 4)
bk is the distance between the k th neighboring information communication device and the information communication device to be replaced (k = 1, 2,, n, n represents the number of neighboring information communication devices for which bk ≦ b. ). B in (Expression 1) is a constant and is stored in the storage unit 101 in advance. In this embodiment, if the value of the constant B is too high, the range of the circle with the radius b as the center of the information communication device becomes too wide, and the replacement range of the neighboring information communication device performed around the information communication device becomes wide. It is conceivable that the work efficiency may deteriorate due to an increase in the replacement work of the neighboring information communication device. If the value of the constant B is too low, the range of the circle with the radius b at the center of the information communication device becomes too narrow, and the number of target neighborhood information communication devices decreases, and the information communication device to be replaced becomes It can be considered that the replacement work time increases due to an increase in the number of round trips because the replacement is performed individually. Therefore, the constant B is set to a well-balanced numerical value that is not too high and not too low.

iv) The ratio of the operation time of each neighboring information communication device to the expected life, the distance between the neighboring information communication device and the information communication device to be replaced is the distance between the maintenance center and the information communication device to be replaced. The quotient Y of the following equation (Equation 5) divided by is obtained (S105).
(Tnk / Lnk) / (bk / a) = Y (Formula 5)
In {(Tnk / Lnk) / (bk / a)} (fourth value), Tnk (second operation time) represents the operation time of the kth neighboring information communication device, and Lnk (second life) (Time) represents the expected life of the kth neighbor information communication device. The operation time and expected life of the neighborhood information communication device are stored in the storage unit 101. The quotient of (Tnk / Lnk) (second value) is α, and the quotient of (bk / a) (third value) is β.

  (Formula 5) will be described. The quotient α of (Tnk / Lnk) is a numerical value for determining the replacement time of the neighboring information communication device. Therefore, as in (Equation 3), if the quotient α of (Tnk / Lnk) is equal to or greater than the threshold value, the neighboring information communication device may be determined as a replacement target. However, even if the quotient α of (Tnk / Lnk) is less than the threshold and the life of the neighboring information communication device remains, if the information communication device subject to replacement and the neighboring information communication device are close to each other, In the case where the neighborhood information communication device is to be replaced, the replacement time in the future will be shortened. On the other hand, even if the quotient α of (Tnk / Lnk) is close to the threshold, if the distance between the replacement information communication device and the neighboring information communication device is long, it is better not to replace the neighboring information communication device as the subject of movement. It leads to shortening. In addition, when the quotient α of (Tnk / Lnk) is close to the threshold and there is some distance between the replacement information communication device and the neighboring information communication device, the information communication device to be replaced is determined as the operation time of the neighboring information communication device. The replacement with the utilization information communication device having a short operation time can be performed at the same time as the replacement of the neighboring information communication device next time, which leads to cost reduction. Therefore, in addition to (Tnk / Lnk), the distance bk between the information communication device to be replaced and the neighboring information communication device is considered as a formula for determining whether to replace the neighboring information communication device (Formula 5 )Is required. Also, the work with good replacement efficiency of the information communication apparatus is determined depending on whether the quotient Y exceeds a certain value or not. Depending on whether the constant value is D (fourth threshold value) and C (third threshold value), and the quotient Y exceeds or does not exceed the value D and value C, which information communication device is subject to replacement It is determined whether to replace the device, and it is determined whether the neighboring information communication device is to be replaced. Table 1 shows the relationship between the value of the quotient Y and the information communication device and the neighbor information communication device that are the replacement targets.

  At the time of step S103, the replacement determining unit 501 has already determined to perform the replacement work for the information communication device that is the target criterion of the neighboring information communication device.

  In the case of Y ≦ D, the information communication device to be replaced is replaced with a new information communication device. The neighboring information communication device is not subject to replacement.

  When D <Y <C, the information communication device to be replaced is replaced with a utilization information communication device having an operation time (third operation time) close to the operation time of the neighboring information communication device. The neighboring information communication device is not subject to replacement.

  In the case of C ≦ Y, the information communication device to be replaced is replaced with a new information communication device. The neighboring information communication device is also replaced with a new information communication device.

  v) If the quotient Y of each neighboring information communication device is equal to or less than D, only the information communication device to be replaced is replaced with a new information communication device (S106). D is a constant and is stored in the storage unit 101 in advance. If the constant D is set too high, the cost of using the utilization information communication device increases, and if the constant D is set too low, the replacement work time due to the increase in the number of replacements of the utilization information communication device. Will increase.

  vi) When there is a neighboring information communication device with quotient Y equal to or greater than C, the information communication device to be replaced and the neighboring information communication device with quotient Y equal to or greater than C are replaced with a new information communication device. The neighboring information communication device whose quotient Y is less than C is not replaced (S107). C is a constant and is stored in the storage unit 101 in advance. If the constant C is set too high, the number of replacements of information communication devices will increase, and if the constant C is set too low, replacement of information communication devices before the expected life will increase. The cost due to increases.

vii) Among the plurality of neighboring information communication devices, if the quotient Y of the neighboring information communication device having the largest quotient Y is greater than D and less than C, the information communication device to be replaced is designated as the expected remaining life (Lnk -Tnk) is replaced with a utilization information communication device having an expected remaining life (Lu-Tu) close to that of the nearest neighbor information communication device. The neighboring information communication device is not replaced (S108). Lu represents the expected life of the utilization information communication device installed in place of the information communication device subject to replacement, and Tu represents the utilization information installed in place of the information communication device subject to replacement Represents the operating time of the communication device. The expected remaining life time is the remaining time in the life of the information communication apparatus, and is expressed by the following (formula 6).
Expected life remaining time = Expected life-Operating time (Formula 6)

  Examples of v) to vii) are explained below. Constant D is 14 and constant C is 18. Referring to FIG. 1, distance b1 between information communication device 50 and neighboring information communication device 60 is set to 0.08, distance b2 between information communication device 50 and neighboring information communication device 70 is set to 0.1, and distance a is set to two. Therefore, the quotient β1 of b1 / a is 0.04, and the quotient β2 of b2 / a is 0.05. If the quotients α1 and α2 of Tn1 / Ln1 and Tn2 / Ln2 are both 0.8, the quotient Y1 of (Tn1 / Ln1) / (b1 / a) is 20, and (Tn2 / Ln2) / (b2 / a) The quotient Y2 of is 16. Therefore, the quotient Y1 is larger than the constant C and the constant D. The quotient Y2 is larger than the constant D and smaller than the constant C. Therefore, if the distance b from the information communication device to be replaced changes, even if both the quotient α1 of Tn1 / Ln1 and the quotient α2 of Tn2 / Ln2 are both 0.8, 60 is a replacement target, and the neighborhood information communication device 70 is not a replacement target. On the other hand, the information communication device 50 is replaced with a utilization information communication device having an operation time close to the operation time of the neighboring information communication device 70.

  The constants A, B, C, and D that are judgment criteria are determined from factors that determine the level of risk shown in Table 2 below.

  As a simple modification of this embodiment, if the quotient α of (Tnk / Lnk) is equal to or greater than the threshold A (first threshold) using the operation time Tnk and expected life Lnk of the neighboring information communication device, the replacement is performed. The determination unit 501 may determine that the neighboring information communication device is to be replaced, and the replacement work may be performed together with the information communication device that has been replaced.

(Second Embodiment)
FIG. 4 shows a configuration diagram of an apparatus replacement work efficiency improvement system according to the second embodiment of the present invention. The information communication device 22, the information communication device 32,..., The information communication device X ′, and the maintenance center 12 (communication device) are each connected to a communication NW (Network) 802 by a communication line.

  The apparatus replacement work efficiency improvement system according to the second exemplary embodiment of the present invention measures the internal situation such as the ambient temperature of the information communication apparatus by the sensor unit 702 of the information communication apparatus 22, and based on the measured internal situation. An equivalent operation time calculation unit 202 that calculates the equivalent operation time by multiplying the generated coefficient by the actual operation time, and a control unit 302 that transmits information on the calculated equivalent operation time to the maintenance center 12 are provided. In addition, the apparatus replacement work efficiency improvement system according to the second exemplary embodiment of the present invention integrates equivalent operation time information transmitted from the control unit 302 and generates an equivalent operation time integrated value 1002. And the information of the information communication device 32, the information of the information communication device 32, including the position information, the expected life and the operation start time associated with the serial number (ID) of each information communication device, and the information communication device X ′. And a storage unit 102 for storing the information. Furthermore, the apparatus replacement work efficiency system according to the present embodiment includes an equivalent operation time integrated value of each information communication device generated by the setting unit 1102 that extracts the expected life of each information communication device and the equivalent operation time integration unit 1002. And a comparison unit 402 that compares the extracted expected life of each information communication device. In addition, the apparatus replacement work efficiency system according to the present embodiment determines that the information communication apparatus is a target of the replacement work based on the comparison result, and performs the replacement based on the stored position information of the information communication apparatus. A replacement determination unit 502 is provided for searching for a neighboring information communication device of the information communication device whose replacement is determined. The device replacement work efficiency system according to the present embodiment includes the searched expected life of the neighboring information communication device, the equivalent operation time integrated value, the information communication device and the neighboring information communication device that are the targets of the replacement work, The information communication device subject to the replacement work is replaced with a new information communication device or a utilization information communication device, and the neighboring information communication device is replaced with a new information communication device. A replacement determination unit 502 that determines whether or not the display unit 602 includes a display unit 602 that displays a result determined by the replacement determination unit 502.

  For example, the equivalent operation time calculation unit 202 multiplies the actual operation time by the calculated coefficient based on the ambient temperature of the parts constituting the power supply device of the information communication device detected by the sensor unit 702, and performs the equivalent operation. Calculate time.

  The operation of the second embodiment of the present invention will be described below. The present embodiment is an embodiment in the case where the information indicating the degradation status is the surrounding environment of the information communication apparatus. The expected life of the information communication device is calculated from the specifications of the internal elements at the time of designing the information communication device. However, the deterioration of the internal elements of the information communication device depends on the actual usage status of the information communication device. Accordingly, the deterioration of the internal elements of the information communication apparatus is difficult to accurately grasp, and the deterioration state of the information communication apparatus is not clearly understood. However, a more accurate replacement time can be determined by calculating an equivalent operation time that takes into account fluctuations due to the environment and usage conditions in the operation time of the information communication device up to the expected life of the internal element (for example, patents) Reference 3).

  (1) The equivalent operation time calculation unit 202 of the information communication device 23 measures the internal state such as the ambient temperature of the internal element of the information communication device by the sensor unit 702 in the information communication device, and calculates a coefficient from the measured internal state. The equivalent operation time is calculated by multiplying the generated coefficient and the operation time. The ambient temperature of the internal element is, for example, the temperature of the outside air that touches the surface of the electrolytic capacitor installed in the power supply circuit of the information communication device.

  (2) The calculated equivalent operation time is periodically transmitted to the maintenance center 12 via the communication NW 802.

  (3) The storage unit 102 of the maintenance center 12 stores in advance the expected life of each information communication device and the position information of each information communication device.

  (4) The equivalent operation time integration unit 1002 of the maintenance center 12 integrates the received equivalent operation time. After the maintenance center 12 has stored the equivalent operation time integrated values of all information communication devices to be managed, the setting unit 1102 extracts the equivalent operation time integrated values and expected lives of the information communication devices from the storage unit 102, The comparison unit 402 compares the equivalent operation time integrated value with a set time such as an expected life. The comparison unit 402 stores the comparison result as a history in the storage unit 102 and transmits the comparison result to the storage unit 102 and the replacement determination unit 502. In the storage unit 102, the comparison result and the equivalent operation time integrated value are linked to the serial number of each information communication device. The history stored in the storage unit 102 is used for grasping the deterioration status of the utilization information communication apparatus that has been rented back.

  (5) The replacement determination unit 502 determines whether it is necessary to replace the information communication apparatus that is the replacement target from the comparison result.

  (6) The replacement determination unit 502 grasps the neighboring information communication device of the information communication device that is the replacement target from the position information of each information communication device in the storage unit 102. Then, the replacement determining unit 502 replaces the neighboring information communication device from the information history in the storage unit 102 at the same time, or replaces the information communication device to be replaced with a new information communication device or utilization information communication. It is determined whether the device is to be replaced and displayed on the display unit 602.

  FIG. 5 shows a replacement determination flowchart of the information communication apparatus performed by the replacement determination unit 502 of the second embodiment according to the present invention. The replacement decision is made according to the following policy. As a preparation stage, information of each information communication device is input to the storage unit 102 (S201).

i) The ratio of the equivalent operation time integrated value of an arbitrary information communication device to the expected life is expressed by the following (Expression 7). When (Tre / L'r) (fifth value) in (Expression 7) is greater than or equal to A '(fifth threshold value), the process starts (S202), and the information communication apparatus is replaced.
Tre / L'r ≧ A '(Formula 7)
Tre (first equivalent operation time integrated value) represents the equivalent operation time integrated value of the information communication apparatus that is the replacement target. L′ r (third lifetime) represents the expected lifetime of the information communication apparatus that is the replacement target. A ′ is a constant and is stored in the storage unit 102 in advance. When the constant A ′ is 1 or more, it indicates that the information communication apparatus has reached the end of life, and when the constant A ′ is less than 1, it indicates that the life of the information communication apparatus remains. In this embodiment, the constant A ′ is preset by the setting unit 1102 to A ′ = 0.8, for example. If the quotient of Tre / L′ r is 0.8 or more, the replacement determining unit 502 replaces the information communication device. It is determined as a target.

  ii) If Tre / L'r of the ratio (equation 7) of the equivalent operation time integrated value of any information communication device to the expected life is less than A ', the information communication device is not replaced (S204).

iii) The distance b (second threshold) from the information communication device to be replaced is expressed as the distance a (second distance) between the maintenance center 12 and the information communication device to be replaced in (Equation 1). ) And constant B. An information communication device in which the distance bk (first distance) to the information communication device to be replaced is within b is set as a neighboring information communication device (S203).
bk ≦ b (Formula 8)
bk is the distance between the k th neighboring information communication device and the information communication device to be replaced (k = 1, 2,, n, n represents the number of neighboring information communication devices for which bk ≦ b. ).

iv) The ratio of the equivalent operation time integrated value of each neighboring information communication device to the expected life is calculated as the distance between the neighboring information communication device and the information communication device to be replaced, and the information communication to be replaced with the maintenance center. The quotient Y ′ of the following equation (Equation 9) divided by the ratio to the distance to the device is obtained (S205).
(Tke / Lk) / (bk / a) = Y '(Formula 9)
In {(Tke / Lk) / (bk / a)} (seventh value), Tke (second equivalent operating time integrated value) represents an equivalent operating time integrated value of the k th neighboring information communication device, Lk (fourth lifetime) represents the expected lifetime of the kth neighbor information communication device. The quotient of (Tke / Lk) (sixth value) is α ′, and the quotient of (bk / a) (third value) is β.

  (Formula 9) will be described. The quotient α ′ of (Tke / Lk) is a numerical value for determining the replacement time of the neighboring information communication device. If the quotient α ′ of (Tke / Lk) is equal to or greater than a threshold as in (Expression 7), the neighboring information communication device may be determined as a replacement target. However, even if the quotient α ′ of (Tke / Lk) is less than the threshold and the lifetime remains, if the information communication device subject to replacement and the proximity information communication device are close to each other, If the communication device is to be replaced, the replacement time in the future will be shortened. On the other hand, even if the quotient α ′ of (Tke / Lk) is close to the threshold, if the distance between the replacement information communication device and the neighboring information communication device is long, it is preferable not to take the neighboring information communication device as a replacement target. Leads to shortening. In addition, when the quotient α ′ of (Tke / Lk) is close to the threshold and there is a distance between the replacement information communication device and the neighboring information communication device, the information communication device to be replaced is designated as the lifetime of the neighboring information communication device. The replacement with the utilization information communication device having a near life can perform the replacement work together with the replacement of the neighboring information communication device next time, which leads to cost reduction. Therefore, in addition to (Tke / Lk), the distance bk between the information communication device to be replaced and the neighborhood information communication device is considered as a formula for determining whether to replace the neighborhood information communication device (Equation 9 )Is required. Also, the work with good replacement efficiency of the information communication apparatus is determined depending on whether the quotient Y ′ exceeds a certain value or not. The fixed value is D ′ (seventh threshold value) and C ′ (sixth threshold value), and information communication subject to replacement depends on whether the quotient Y ′ exceeds or does not exceed the value D ′ and the value C ′. It is determined which information communication device the device replaces, and whether or not the neighboring information communication device is to be replaced. Table 3 shows the relationship between the value of the quotient Y ′ and the information communication device and the neighboring information communication device that are the replacement targets.

  At the time of step S203, the replacement determination unit 502 has already determined to perform the replacement work for the information communication device that is the target criterion of the neighboring information communication device.

  When Y ′ ≦ D ′, the information communication device to be replaced is replaced with a new information communication device. The neighboring information communication device is not subject to replacement.

  In the case of D ′ <Y ′ <C ′, the information communication device to be replaced is replaced with a utilization information communication device having a life close to that of the neighboring information communication device. The neighboring information communication device is not subject to replacement.

  When C ′ ≦ Y ′, the information communication device to be replaced is replaced with a new information communication device. The neighboring information communication device is also replaced with a new information communication device.

  v) If the quotient Y ′ of each neighboring information communication device is equal to or less than D ′, only the information communication device to be replaced is replaced with a new information communication device (S206). D ′ is a constant and is stored in the storage unit 101 in advance. If the constant D ′ is set too high, the cost of using the utilization information communication device increases, and if the constant D ′ is set too low, the replacement due to an increase in the number of replacements of the utilization information communication device. Work time increases.

  vi) When there is a neighboring information communication device with a quotient Y 'of C' or more, the information communication device to be replaced and a neighboring information communication device with a quotient Y 'of C' or more are replaced with a new information communication device. . The neighboring information communication device whose quotient Y ′ is less than C ′ is not replaced (S207). C ′ is a constant and is stored in the storage unit 102 in advance. If the constant C ′ is set too high, the replacement work increases due to the increase in the number of times the information communication device is individually replaced. If the constant C ′ is set too low, the information communication device before the expected life is replaced. Increased costs increase.

vii) Among the plurality of neighboring information communication devices, when the quotient Y ′ of the neighboring information communication device having the largest quotient Y ′ is larger than D ′ and smaller than C ′, the information communication device to be replaced is expected to have the expected life. Utilization information communication apparatus having expected life remaining time {(L'u-Tue) / (Tre / Trr)} close to the neighbor information communication apparatus having the minimum remaining time {(Lk-Tke) / (Tke / Tkr)} Replace with. The neighboring information communication device is not replaced (S208). Tkr represents the actual operation time of the kth neighbor information communication device, and L′ u represents the expected life of the utilization information communication device installed in place of the information communication device to be replaced. Tue represents the equivalent operation time integrated value of the utilization information communication device, and Trr represents the actual operation time of the information communication device to be replaced. The expected remaining life time is the remaining time in the life of the information communication apparatus, and is expressed by the following (Equation 10).
(Expected life-Equivalent operating time integrated value) / (Equivalent operating time integrated value / Actual operating time) (Equation 10)

  Constants A ′, B, C ′, and D ′ serving as determination criteria are determined from factors that determine the level of risk shown in Table 4 below.

  As a simple modification of this embodiment, the quotient α ′ of (Tke / Lk) is greater than or equal to a threshold A ′ (fifth threshold) using the equivalent operation time integrated value Tke and the expected life Lk of the neighboring information communication device. If there is, the replacement determining unit 502 may determine that the neighboring information communication device is to be replaced, and the replacement work may be performed together with the information communication device that has been replaced.

(Third embodiment)
FIG. 6 shows a configuration diagram of an apparatus replacement work efficiency improvement system according to the third embodiment of the present invention. The information communication device 23, the information communication device 33,... The information communication device X ″, and the maintenance center 13 (communication device) are each connected to a communication NW (Network) 803 by a communication line.

  The apparatus replacement work efficiency system according to the third embodiment of the present invention measures the voltage / current between the feeder lines of the power supply circuit 1203 by the voltage / current probe unit 703 of the information communication apparatus 23, and the measured feeder line. An AD converter 1303 that generates a DC voltage from the inter-voltage / current signal and an impedance characteristic calculator 203 that calculates an impedance characteristic value from the generated DC voltage are provided. In addition, the apparatus replacement work efficiency system according to the second embodiment of the present invention includes the control unit 303 that transmits the calculated impedance characteristic information to the maintenance center 12, and the serial number (ID) of each information communication apparatus. And a storage unit 103 that stores the information of the information communication device 23, the information of the information communication device 33,..., The information of the information communication device X ″, including the positional information and the initial value of the impedance characteristic. Furthermore, the device replacement work efficiency system according to the present embodiment includes a setting unit 1103 that extracts an initial value of impedance characteristics of each information communication device, an impedance characteristic value transmitted from the control unit 303, and each piece of extracted information. And a comparison unit 403 that compares the initial value of the impedance characteristic of the communication device. In addition, the apparatus replacement work efficiency system according to the present embodiment determines that the information communication apparatus is a target of the replacement work based on the comparison result, and performs the replacement based on the stored position information of the information communication apparatus. A replacement determining unit 503 is provided for searching for a neighboring information communication device of the information communication device whose replacement is determined. Then, the apparatus replacement work efficiency system according to the present embodiment includes the retrieved impedance characteristic value of the neighboring information communication apparatus, the initial value of the impedance characteristic, the information communication apparatus and the neighboring information communication apparatus that are the targets of the replacement work. Whether the information communication device subject to the replacement work is replaced with a new information communication device or a utilization information communication device, and the neighboring information communication device is replaced with a new information communication device. A replacement determining unit 503 that determines whether or not to replace, and a display unit 603 that displays a result determined by the replacement determining unit 503 are provided.

  The operation of the third embodiment of the present invention will be described below. The present embodiment is an embodiment in the case where the information indicating the deterioration state is an electrical characteristic of the information communication device. The expected life of the information communication device is calculated from the specifications of the internal elements at the time of designing the information communication device. However, the deterioration of the internal elements of the information communication apparatus may be influenced regardless of the operation time depending on the actual use state of the information communication apparatus. However, it is possible to determine the replacement time by measuring the electrical characteristics of the information communication device and comparing with the characteristics of the initial state (see, for example, Patent Document 4).

  (1) The impedance characteristic calculation unit 203 of the information communication device 23 uses the voltage / current probe unit 703 to periodically measure the voltage / current between the feeder lines of the power supply circuit 1203. The current measured by the current probe is converted into a voltage.

  (2) The output from the voltage / current probe unit 703 is input to the A-D conversion unit 1303. The A-D converter 1303 outputs a DC voltage to the impedance characteristic calculator 203 according to the input level, and the impedance characteristic calculator 203 calculates an impedance characteristic value.

  (3) The calculated impedance characteristic information is periodically transmitted to the maintenance center 13 via the communication NW 803.

  (4) The storage unit 103 of the maintenance center 13 stores in advance the initial value of the impedance characteristic of each information communication device in charge and the position information of each information communication device.

  (5) After the maintenance center 13 finishes storing the impedance characteristic information of all the information communication devices to be managed, the setting unit 1103 extracts the impedance characteristic value of each information communication device and the initial value of the impedance characteristic from the storage unit 103. Then, the comparison unit 403 compares the impedance characteristic value with the initial value of the impedance characteristic. The comparison unit 403 stores the comparison result as a history in the storage unit 103 and transmits the comparison result to the storage unit 103 and the replacement determination unit 502. In the storage unit 103, the comparison result and the impedance characteristic value are linked to the serial number of each information communication device. The history stored in the storage unit 103 is used for grasping the deterioration status of the utilization information communication apparatus that has been rented back.

  (6) The replacement determination unit 503 determines whether the information communication apparatus needs to be replaced based on the comparison result.

  (7) The replacement determination unit 503 grasps the neighboring information communication device of the information communication device that is the replacement target from the position information of each information communication device in the storage unit 103. Then, the replacement determination unit 503 replaces the neighboring information communication device from the information history in the storage unit 103 at the same time, or replaces the information communication device to be replaced with a new information communication device or utilization information communication. It is determined whether the device is to be replaced and displayed on the display unit 603.

  FIG. 7 shows a replacement determination flowchart of the information communication apparatus performed by the replacement determination unit 503 according to the third embodiment of the present invention. The replacement decision is made according to the following policy. As a preparation stage, information of each information communication device is input to the storage unit 103 (S301).

i) The difference between the impedance characteristic value of an arbitrary information communication device and the initial value of the impedance characteristic is expressed by the following (Equation 11). When (Zre-Zr) (eighth value) in (Expression 11) is equal to or greater than A ″ (eighth threshold), the process starts (S302), and the information communication apparatus is replaced.
Zre-Zr ≧ A '' (Formula 11)
Zre (initial value of the first impedance characteristic) represents the initial value of the impedance characteristic of the information communication apparatus that is the replacement target, and Zr (first impedance characteristic value) is the information communication that is the replacement target. It represents the impedance characteristic value of the device. A ″ is a constant and is stored in the storage unit 103 in advance. When the constant A ″ is 1 or more, it indicates that the information communication apparatus has reached the end of life, and when the constant A ″ is less than 1, it indicates that the life of the information communication apparatus remains. In this embodiment, the constant A ″ is preset by the setting unit 1103 to A ″ = 0.8, for example, and when (Zre−Zr) is 0.8 or more, the replacement communication unit is replaced by the replacement determining unit 503. It is determined as a target.

  ii) When the difference (Zre-Zr) in the impedance characteristic value between the initial value and the impedance characteristic value of an arbitrary information communication device is less than A ″, the information communication device is not replaced (S304).

iii) The distance b (second threshold value) from the information communication device that is the replacement target, and the distance a (second distance) between the maintenance center 13 and the information communication device that is the replacement target in (Expression 1) ) And constant B. An information communication device in which the distance bk (first distance) with the information communication device to be replaced is within b is set as a neighboring information communication device (S303).
bk ≦ b (Formula 12)
bk is the distance between the k th neighboring information communication device and the information communication device to be replaced (k = 1, 2,, n, n represents the number of neighboring information communication devices for which bk ≦ b. ). B is a constant and is stored in the storage unit 103 in advance. If the value of the constant B is high, the distance between the information communication device to be replaced and the maintenance center is short, and the distance between the information communication device to be replaced and the neighboring information communication device is long, that is, the information communication device The range of the circle with the radius b as the center of is widened. If the value of the constant B is low, the distance between the information communication device to be replaced and the maintenance center is long, and the distance between the information communication device to be replaced and the neighboring information communication device is short, that is, information communication. The range of the circle with the radius b as the center of the apparatus is narrowed. In this embodiment, if the value of the constant B is too high, the range of the circle with the radius b as the center of the information communication device becomes too wide, and the replacement range of the neighboring information communication device performed around the information communication device becomes wide. This can increase the replacement work of neighboring information communication devices. If the value of the constant B is too low, the range of the circle with the radius b at the center of the information communication device becomes too narrow, and the number of target neighborhood information communication devices decreases, and the information communication device to be replaced becomes It is conceivable that the replacement work time increases due to an increase in the number of round trips because the replacement is performed individually. Therefore, the constant B is set to a well-balanced numerical value that is not too high and not too low.

iv) The difference between the impedance characteristic value of each neighboring information communication device and the initial value of the impedance characteristic is the distance between the neighboring information communication device and the information communication device to be replaced. The quotient Y ″ of the following equation (Equation 13) divided by the ratio to the distance to the information communication device is obtained (S305).
(Zke-Zk) / (bk / a) = Y '' (Formula 13)
In {(Zke-Zk) / (bk / a)} (tenth value), Zke (the initial value of the second impedance characteristic) represents the initial value of the impedance characteristic of the kth neighbor information communication device, Zk (second impedance characteristic value) represents the impedance characteristic value of the kth neighbor information communication device. The difference between (Zke−Zk) (the ninth value) is α ″, and the quotient of (bk / a) (the third value) is β.

  (Formula 13) will be described. A difference α ″ of (Zke−Zk) is a numerical value for determining the replacement time of the neighboring information communication device. As in (Expression 11), if the difference α ″ of (Zke−Zk) is equal to or greater than a threshold value, the neighboring information communication device may be determined as a replacement target. However, even if the difference α '' of (Zke-Zk) is less than the threshold and the lifetime remains, if the information communication device subject to replacement and the neighboring information communication device are close, If the information communication device is to be replaced, the replacement work time in the future will be shortened. Conversely, even if the difference α ″ of (Zke-Zk) is close to the threshold value, if the distance between the replacement information communication device and the neighboring information communication device is long, the person who does not target the neighboring information communication device is moved. It leads to shortening of time. In addition, when the difference α ″ of (Zke-Zk) is close to the threshold and there is a distance between the replacement information communication device and the neighboring information communication device, the information communication device to be replaced is replaced with the lifetime of the neighboring information communication device. If the information communication device is replaced with a utilization information communication device having a near life, the replacement work can be performed at the same time as replacement of the neighboring information communication device next time, which leads to cost reduction. Therefore, in addition to (Zke-Zk), the distance bk between the information communication device to be replaced and the neighboring information communication device is considered as a formula for determining whether to replace the neighboring information communication device (Formula 13). )Is required. Also, the work with high replacement efficiency of the information communication apparatus is determined depending on whether the quotient Y ″ exceeds a certain value or not. The fixed values are D '' (10th threshold) and C '' (9th threshold), and are subject to replacement depending on whether the quotient Y '' exceeds or does not exceed the values D '' and C ''. It is determined which information communication device the replaced information communication device is replaced with, and whether or not the neighboring information communication device is to be replaced is determined. Table 5 shows the relationship between the value of the quotient Y ″ and the information communication device and the neighboring information communication device that are the replacement targets.

  At the time of step S303, the replacement determining unit 503 has already determined to perform the replacement operation for the information communication device that is the target criterion of the neighboring information communication device.

  When Y ″ ≦ D ″, the information communication device to be replaced is replaced with a new information communication device. The neighboring information communication device is not subject to replacement.

  In the case of D ″ ″ <Y ″ ″ <C ″, the information communication device to be replaced is replaced with a utilization information communication device having a life close to that of the neighboring information communication device. The neighboring information communication device is not subject to replacement.

  When C ″ ≦ Y ″, the information communication device to be replaced is replaced with a new information communication device. The neighboring information communication device is also replaced with a new information communication device.

  v) If the quotient Y ″ of each neighboring information communication device is equal to or lower than D ″, only the information communication device to be replaced is replaced with a new information communication device (S306). D ″ is a constant and is stored in the storage unit 103 in advance. If the constant D '' is set too high, the cost of using the utilization information communication device will increase, and if the constant D '' is set too low, the number of replacements of the utilization information communication device will increase. Replacement work time increases.

  vi) When there is a neighboring information communication device whose quotient Y '' is C '' or more, the replacement information communication device and the neighboring information communication device whose quotient Y '' is C '' or more are new information communication devices. Replace with. The neighboring information communication device whose quotient Y ″ is less than C ″ is not replaced (S307). C ″ is a constant and is stored in the storage unit 103 in advance. If the constant C '' is set too high, the number of times that the information communication device is individually replaced increases, and if the constant C '' is set too low, the replacement of the information communication device before the expected life is increased. Cost increases due to the increase in replacement.

  vii) Among the multiple neighboring information communication devices, if the quotient Y '' of the neighboring information communication device with the largest quotient Y '' is greater than D '' and less than C '', the information communication subject to replacement The device is replaced with a utilization information communication device having an impedance characteristic value (Zue-Zu) close to that of the neighboring information communication device having the smallest impedance characteristic value (Zke-Zk). The neighboring information communication device is not replaced (S308). Zue represents an initial value of the impedance characteristic of the replacement information communication device, and Zu represents an impedance characteristic value of the replacement information communication device.

  The constants A ″, B, C ″, and D ″ that are judgment criteria are determined from factors that determine the level of risk shown in Table 6 below.

  As a simple modification of this embodiment, using the initial value Zke and impedance characteristic value Zk of the impedance characteristics of the neighborhood information communication device, the difference α ″ of (Zke−Zk) is a threshold A ″ (eighth threshold). ) If it is above, the replacement determining unit 503 may determine that the neighboring information communication device is a replacement target and perform the replacement work together with the information communication device that is the replacement target.

  According to this embodiment, when replacing an information communication device, it is possible to dispatch an efficient worker by replacing the information communication device in consideration of the situation of neighboring information communication devices. The dispatch time can be reduced. Further, by using a utilization information communication device that considers the situation of neighboring information communication devices as the information communication device to be replaced, it is possible to reduce replacement costs.

  The purpose of the present invention is to efficiently dispatch personnel, and in addition to the replacement of information and communication devices, it is also applied to the efficiency of vending machine charge storage, product replenishment, periodic maintenance after goods sales, etc. Is possible.

10, 11, 12, 13 Maintenance center 20, 21, 22, 23, 30, 31, 32, 33, 40, 50, 60, 70, X, X ', X''Information communication device 101, 102, 103 Storage Unit 201 Timing unit 202 Equivalent operation time calculation unit 203 Impedance characteristic calculation unit 301, 302, 303 Control unit 401, 402, 403 Comparison unit 501, 502, 503 Replacement determination unit 601, 602, 603 Display unit 702 Sensor unit 703 Voltage・ Current probe unit 801, 802, 803 Communication NW
902, 903 Communication control unit 1002 Equivalent operation time integration unit 1102, 1103 Setting unit 1203 Power supply circuit 1303 AD conversion unit

Claims (6)

A device replacement work efficiency improvement system comprising a communication device for monitoring the status of the first information communication device and the status of the second information communication device,
The communication device
The first operation time of the first information communication device and the first life time of the first information communication device stored in the storage unit are extracted from the storage unit, and from the extracted first operation time If the first value obtained by dividing the extracted first lifetime is equal to or greater than a first threshold, the first information communication device is a target for replacement work,
When the first distance between the first information communication device and the second information communication device that is the target of the replacement work is equal to or smaller than a second threshold, the second information communication device is replaced with the replacement work. As a neighboring information communication device of the first information communication device subject to
The second operation time of the neighboring information communication device and the second lifetime of the neighboring information communication device stored in the storage unit are extracted from the storage unit, and the extracted from the extracted second operation time. A value obtained by dividing the second lifetime is defined as a second value, and a value obtained by dividing the second distance between the communication device and the first information communication device from the first distance If the fourth value obtained by dividing the second value by the third value is equal to or greater than a third threshold value, the neighboring information communication device is set as a target for replacement work. ,
When the fourth value is greater than the fourth threshold value and less than the third threshold value, the first information communication device that is the target of the replacement work is set to the extracted second operation time. An apparatus replacement work efficiency system characterized in that the apparatus is replaced with a utilization information communication apparatus that has been operating in a near third operation time. A device replacement work efficiency system comprising a communication device for monitoring the status of the third information communication device and the status of the fourth information communication device,
The communication device
The first equivalent operating time integrated value of the third information communication device and the third lifetime of the third information communication device stored in the storage unit are extracted from the storage unit, and the extracted first When the fifth value obtained by dividing the extracted third lifetime from the equivalent operating time integrated value is equal to or greater than a fifth threshold, the third information communication device is the target of replacement work,
When the first distance between the third information communication apparatus and the fourth information communication apparatus that are the targets of the replacement work is equal to or less than a second threshold value, the fourth information communication apparatus is replaced with the replacement work. As a neighboring information communication device of the third information communication device subject to
The second equivalent operation time integrated value of the neighboring information communication device and the fourth lifetime of the neighboring information communication device stored in the storage unit are extracted from the storage unit, and the extracted second equivalent operation time is extracted. A sixth value obtained by dividing the extracted fourth life time from the integrated value is obtained, and a second distance between the communication device and the third information communication device is divided from the first distance. If the obtained value is the third value and the seventh value obtained by dividing the sixth value by the third value is greater than or equal to the sixth threshold, the neighboring information communication device is replaced. The target of the work,
If the seventh value is greater than the seventh threshold value and less than the sixth threshold value, the extracted second equivalent operation time for the third information communication device that is the target of the replacement work An apparatus replacement work efficiency system characterized by replacing with a utilization information communication apparatus having a third equivalent operation time integrated value close to the integrated value. A device replacement work efficiency system comprising a communication device for monitoring the status of the fifth information communication device and the status of the sixth information communication device,
The communication device
The initial value of the first impedance characteristic of the fifth information communication device and the first impedance characteristic value of the fifth information communication device stored in the storage unit are extracted from the storage unit, and the extracted first If the eighth value obtained by subtracting the extracted first impedance characteristic value from the initial value of the impedance characteristic is equal to or greater than the eighth threshold value, the fifth information communication apparatus is to be replaced. age,
When the first distance between the fifth information communication device and the sixth information communication device that is the target of the replacement work is equal to or less than a second threshold, the sixth information communication device is replaced with the replacement work. As the neighborhood information communication device of the fifth information communication device that was subject to
The initial value of the second impedance characteristic of the neighboring information communication device and the second impedance characteristic value of the neighboring information communication device stored in the storage unit are extracted from the storage unit, and the extracted second impedance characteristic The second value of the communication device and the fifth information communication device is divided from the first distance by subtracting the extracted second impedance characteristic value from the initial value of the first value. When the tenth value obtained by dividing the ninth value by the third value is equal to or greater than the ninth threshold value, the neighboring information communication device is The target of the replacement work,
If the tenth value is greater than the tenth threshold and less than the ninth threshold, the extracted second impedance characteristic value for the fifth information communication device that is the target of the replacement work The apparatus replacement work efficiency system characterized by replacing with the utilization information communication apparatus which has the 3rd impedance characteristic value close | similar to. An apparatus replacement work efficiency improvement method by a system provided with a communication device for monitoring the status of the first information communication device and the status of the second information communication device,
Extracting the first operating time of the first information communication device and the first lifetime of the first information communication device stored in the storage unit of the communication device from the storage unit;
When the first value obtained by dividing the extracted first lifetime from the extracted first operating time is equal to or greater than a first threshold, the first information communication device is replaced. The target step, and
When the first distance between the first information communication device and the second information communication device that is the target of the replacement work is equal to or smaller than a second threshold, the second information communication device is replaced with the replacement work. A step of setting the neighboring information communication device of the first information communication device as a target of
Extracting from the storage unit the second operation time of the proximity information communication device stored in the storage unit and the second lifetime of the proximity information communication device;
A value obtained by dividing the extracted second lifetime from the extracted second operation time is defined as a second value, and the communication device and the first information communication device are determined from the first distance. When the value obtained by dividing the second distance is the third value, and the fourth value obtained by dividing the second value by the third value is greater than or equal to the third threshold value, The step of subjecting the neighborhood information communication device to replacement work;
When the fourth value is greater than the fourth threshold value and less than the third threshold value, the first information communication device that is the target of the replacement work is set to the extracted second operation time. A device replacement work efficiency improvement method comprising: a step of replacing a utilization information communication device that has been operating in a near third operation time. An apparatus replacement work efficiency improvement method by a system provided with a communication device that monitors the status of the third information communication device and the status of the fourth information communication device,
Extracting the first equivalent operating time integrated value of the third information communication device and the third lifetime of the third information communication device stored in the storage unit of the communication device from the storage unit;
When the fifth value obtained by dividing the extracted third lifetime from the extracted first equivalent operating time integrated value is equal to or greater than a fifth threshold, the third information communication device is removed. The steps to be replaced,
When the first distance between the third information communication apparatus and the fourth information communication apparatus that are the targets of the replacement work is equal to or less than a second threshold value, the fourth information communication apparatus is replaced with the replacement work. A step of setting a neighborhood information communication device of the third information communication device as a target of
Extracting from the storage unit a second equivalent operating time integrated value of the proximity information communication device stored in the storage unit and a fourth lifetime of the proximity information communication device;
A sixth value obtained by dividing the extracted fourth lifetime from the extracted second equivalent operating time integrated value, and the communication device and the third information communication device from the first distance When the value obtained by dividing the second distance of the third is the third value, and the seventh value obtained by dividing the sixth value by the third value is greater than or equal to the sixth threshold value The step of replacing the neighborhood information communication device as a target of replacement work;
If the seventh value is greater than the seventh threshold value and less than the sixth threshold value, the extracted second equivalent operation time for the third information communication device that is the target of the replacement work Replacing the utilization information communication device having a third equivalent operation time integrated value close to the integrated value;
A device replacement work efficiency improvement method comprising: An apparatus replacement work efficiency improvement method by a system provided with a communication device that monitors the status of the fifth information communication device and the status of the sixth information communication device,
Extracting an initial value of a first impedance characteristic of the fifth information communication device and a first impedance characteristic value of the fifth information communication device stored in the storage unit of the communication device from the storage unit; ,
When the eighth value obtained by subtracting the extracted first impedance characteristic value from the extracted initial value of the first impedance characteristic is equal to or greater than an eighth threshold, the fifth information communication apparatus is The steps to be replaced, and
When the first distance between the fifth information communication device and the sixth information communication device that is the target of the replacement work is equal to or less than a second threshold, the sixth information communication device is replaced with the replacement work. A step of setting the neighborhood information communication device of the fifth information communication device as a target of
Extracting the initial value of the second impedance characteristic of the neighboring information communication device stored in the storage unit and the second impedance characteristic value of the neighboring information communication device from the storage unit;
A ninth value obtained by subtracting the extracted second impedance characteristic value from the extracted second impedance characteristic initial value, and the communication apparatus and the fifth information communication apparatus from the first distance. The value obtained by dividing the second distance with the third value is the third value, and the tenth value obtained by dividing the ninth value by the third value is greater than or equal to the ninth threshold value. A step of subjecting the neighborhood information communication device to replacement work;
If the tenth value is greater than the tenth threshold and less than the ninth threshold, the extracted second impedance characteristic value for the fifth information communication device that is the target of the replacement work And a step of replacing the utilization information communication device having a third impedance characteristic value close to.

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