US-12617652-B2 - Building facility vibration measurement device and management system

US12617652B2US 12617652 B2US12617652 B2US 12617652B2US-12617652-B2

Abstract

There is provided a building facility vibration measurement device that can easily ascertain whether specs are sufficient for measurement of vibration of a building facility. A building facility vibration measurement device includes: an acceleration detection unit configured to detect acceleration; an acceleration collection unit configured to collect the acceleration detected by the acceleration detection unit; an accuracy calculation unit configured to calculate detection accuracy of the acceleration from information on the acceleration collected by the acceleration collection unit; and a judgement unit configured to, based on the detection accuracy calculated by the accuracy calculation unit, judge whether vibration of a building facility can be measured.

Inventors

TAKAYA TANIGUCHI
Takuya Hashiguchi
Kiyotaka Watanabe
Yoshiko Ono
Kotaro Watanabe

Assignees

MITSUBISHI ELECTRIC CORPORATION
Mitsubishi Electric Building Solutions Corporation

Dates

Publication Date: 20260505
Application Date: 20190930

Claims (10)

1 . A building facility vibration measurement device configured to measure vibration of a building facility, the building facility vibration measurement device comprising: an acceleration detector configured to detect acceleration; and a processing circuit configured to: collect the acceleration detected by the acceleration detector; calculate detection accuracy of the acceleration from information on the acceleration collected in a state where the acceleration detector is at a standstill so as to detect gravitational acceleration; judge, based on the detection accuracy, whether the building facility vibration measurement device is allowed to use for measuring vibration of a building facility; based on product information on the building facility vibration measurement device, information on an operating system installed in the building facility vibration measurement device, and information on an acceleration sensor serving as the acceleration detector, extract a group of model numbers of a building facility vibration measurement device which is allowed to use in measuring a tension of a rope of an elevator serving as the building facility; and measure the tension of the rope of the elevator using an allowed building facility vibration measurement device.
2 . The building facility vibration measurement device according to claim 1 , wherein the processing circuit is configured to: collect the acceleration which is detected by the acceleration detector in a state where the acceleration detector is at a standstill so as to cause an axial direction of the acceleration detector in measuring a tension of a rope of an elevator to be aligned with a direction of gravitational acceleration, calculate the detection accuracy, including calculating a difference between the gravitational acceleration and the collected acceleration, and based on the calculated difference, judge whether the building facility vibration measurement device is allowed to use in measuring the tension of the rope.
3 . The building facility vibration measurement device according to claim 1 , wherein the processing circuit is configured to: collect the detected acceleration which is detected by the acceleration detector in a state where the acceleration detector is at a standstill so as to cause an axial direction of the acceleration detector in measuring the tension of the rope of the elevator, to be aligned with a direction of gravitational acceleration, calculate a variance of the collected acceleration, and based on the calculated variance, judge whether the building facility vibration measurement device is allowed to use in measuring the tension of the rope.
4 . The building facility vibration measurement device according to claim 1 , wherein the processing circuit is configured to: collect the acceleration a plurality of number of times, the acceleration being detected by the acceleration detector in a state where the acceleration detector is at a standstill so as to cause an axial direction of the acceleration detector in measuring the tension of the rope of the elevator, to be aligned with a direction of gravitational acceleration, calculate the detection accuracy, including calculating an average value of the collected accelerations for each time and a maximum value of an absolute difference between average values for each time, and based on the calculated maximum value, judge whether the building facility vibration measurement device is allowed to use in measuring the tension of the rope.
5 . The building facility vibration measurement device according to claim 1 , wherein the processing circuit is configured to: collect the acceleration a plurality of number of times, the acceleration being detected by the acceleration detector in a state where the acceleration detector is at a standstill so as to cause an axial direction of the acceleration detector in measuring the tension of the rope of the elevator, to be aligned with a direction of gravitational acceleration, calculate the detection accuracy, including calculating a difference between the gravitational acceleration and the collected acceleration for each time, a variance of the collected acceleration for each time, and a maximum value of an absolute difference between average values of the collected accelerations for each time, and based on a combination of the difference, the variance, and the maximum value, judge whether the building facility vibration measurement device is allowed to use in measuring the tension of the rope.
6 . The building facility vibration measurement device according to claim 1 , comprising: an angle detector configured to detect an angle with respect to an axis forming a reference, wherein the processing circuit is configured to, based on the angle detected by the angle detector, calculate a component of the gravitational acceleration from the acceleration detected by the acceleration detector.
7 . The building facility vibration measurement device according to claim 1 , wherein the processing circuit is configured to judge a spec of the building facility vibration measurement device based on a cumulative number of times of the measurement of the vibration of the building facility.
8 . A building facility management system comprising a storage medium device configured to: receive, from the building facility vibration measurement device according to claim 1 , product information from which the acceleration detector is capable of being identified and information on a spec judgement result; and store the product information and the information on the spec judgement result in an associated manner.
9 . A building facility vibration measurement device configured to measure vibration of a building facility, the building facility vibration measurement device comprising: an acceleration detector configured to detect acceleration; and a processing circuit configured to: collect the acceleration detected by the acceleration detector; calculate a variance of the collected acceleration from information on the acceleration collected in a state where the acceleration detector is at a standstill so as to detect gravitational acceleration; collect the detected acceleration which is detected by the acceleration detector in the state where the acceleration detector is at the standstill so as to cause an axial direction of the acceleration detector in measuring a tension of a rope of an elevator, to be aligned with a direction of gravitational acceleration, the elevator serving as the building facility; and based on the calculated variance, judge whether the building facility vibration measurement device is allowed to use in measuring the tension of the rope, wherein, responsive to judging that the building facility vibration measurement device is allowed to use, the processing circuit is configured to measure the tension of the rope of the elevator using the building facility vibration measurement device.
10 . A building facility vibration measurement device configured to measure vibration of a building facility, the building facility vibration measurement device comprising: an acceleration detector configured to detect acceleration; and a processing circuit configured to: collect the acceleration detected by the acceleration detector; collect the acceleration a plurality of number of times, the acceleration being detected by the acceleration detector in a state where the acceleration detector is at a standstill so as to cause an axial direction of the acceleration detector in measuring a tension of a rope of an elevator, to be aligned with a direction of gravitational acceleration, the elevator serving as the building facility; calculate an average value of the collected acceleration for each time and a maximum value of an absolute difference between average values for each time; and based on the calculated maximum value, judge whether the building facility vibration measurement device is allowed to use in measuring the tension of the rope, wherein, responsive to judging that the building facility vibration measurement device is allowed to use, the processing circuit is configured to measure the tension of the rope of the elevator using the building facility vibration measurement device.

Description

CROSS-REFERENCE TO RELATED APPLICATION The present application is based on PCT filing PCT/JP2019/038595, filed Sep. 30, 2019, the entire contents of which are incorporated herein by reference. FIELD The present invention relates to a building facility vibration measurement device and a management system. BACKGROUND JP3188833B2 discloses a vibration measurement device for elevators and escalators. With the vibration measurement device, it is possible to measure the tension of the rope of an elevator serving as a building facility. CITATION LIST Patent Literature [Patent Literature 1] JP3188833B2 SUMMARY Technical Problem However, the vibration measurement device described in JP3188833B2 fails to have a function of checking whether the specs are sufficient for the measurement of the vibration of the building facility. Therefore, there may be a case where the vibration of the building facility cannot be accurately measured. The present invention has been made to solve the above-mentioned problem, and it is an object of the present invention to provide a building facility vibration measurement device and a management system that can easily ascertain whether the specs are sufficient for the measurement of the vibration of the building facility. Solution to Problem A building facility vibration measurement device according to the invention includes an acceleration detection unit configured to detect acceleration, an acceleration collection unit configured to collect the acceleration detected by the acceleration detection unit, an accuracy calculation unit configured to calculate detection accuracy of the acceleration from information on the acceleration collected by the acceleration collection unit; and a judgement unit configured to judge whether vibration of a building facility can be measured based on the detection accuracy calculated by the accuracy calculation unit. A building facility management system according to the invention includes a storage device configured to receive, from the vibration measurement device, product information from which an acceleration detection unit is capable of being identified and information on a spec judgement result, and configured to store the product information and the information on the spec judgement result in an associated manner. Advantageous Effects According to these inventions, the vibration measurement device judges whether the vibration of the building facility can be measured based on acceleration detection accuracy. Accordingly, it is possible to easily ascertain whether the specs of the vibration measurement device are sufficient for the measurement of the vibration of the building facility. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a configuration diagram of an elevator system in which an elevator rope tension measurement system according to an embodiment 1 is used; FIG. 2 is a block diagram of a rope tension measurement device utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 3 is a perspective view of the rope tension measurement device utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 4 is a graph showing the detection result of acceleration detected by the rope tension measurement device utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 5 is a graph showing the detection result of acceleration detected by the rope tension measurement device utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 6 is a graph showing the detection result of acceleration detected by the rope tension measurement device utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 7 is a perspective view of the rope tension measurement device utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 8 is a view for describing a method for managing the rope tension measurement device utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 9 is a side view of a first example of a mounting tool utilized in the elevator rope tension measurement system according to the embodiment 1; FIGS. 10A and 10B are plan views of the first example of the mounting tool utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 11 is a plan view of a second example of the mounting tool utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 12 is a side view of the second example of the mounting tool utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 13 is a perspective view of a third example of the mounting tool utilized in the elevator rope tension measurement system according to the embodiment 1; FIG. 14 is a plan view of a fourth example of the mounting tool utilized in the elevator rope tension measurement system ac