KR101579250B1 - balance of plant vibration alarm device - Google Patents

balance of plant vibration alarm device Download PDF

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Publication number
KR101579250B1
KR101579250B1 KR1020150091578A KR20150091578A KR101579250B1 KR 101579250 B1 KR101579250 B1 KR 101579250B1 KR 1020150091578 A KR1020150091578 A KR 1020150091578A KR 20150091578 A KR20150091578 A KR 20150091578A KR 101579250 B1 KR101579250 B1 KR 101579250B1
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KR
South Korea
Prior art keywords
vibration
display unit
facility
power plant
sensing means
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Application number
KR1020150091578A
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Korean (ko)
Inventor
이승원
백남호
Original Assignee
한국발전기술 주식회사
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Priority to KR1020150091578A priority Critical patent/KR101579250B1/en
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Publication of KR101579250B1 publication Critical patent/KR101579250B1/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B23/00—Alarms responsive to unspecified undesired or abnormal conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations

Abstract

The present invention relates to a device for alarming an abnormal vibration of a rotary facility in a power plant site which is configured to effectively monitor a vibration generated in a power plant site. According to the present invention, the device for alarming the abnormal vibration of the rotary facility in a power plant comprises: a vibration monitoring measure (10) disposed in a minor facility of a power plant to monitor vibration generated from the minor facility; and a display unit (20), which is connected to the vibration monitoring measure, to display a vibration value measured by the vibration monitoring measure (10). An operating program (23) to receive and operate vibration values measured by the vibration monitoring measure (10) is mounted to the display unit, to allow the display unit (20) to monitor the generation of vibrations in the minor facility in real time. Accordingly, the individual minor facility is separately monitored in addition to a management system to monitor the facility of the entire power plant, particularly a major facility, thereby materializing a simple structure at low cost, and preventing the application of a load to the management part (2) of the management system.

Description

{Balance of plant vibration alarm device}

BACKGROUND OF THE INVENTION Field of the Invention [0001] The present invention relates to an abnormal vibration monitoring apparatus for a power plant site rotating facility which can effectively monitor vibration generated in a power plant site.

Generally, a power plant is large in size and equipped with many kinds of facilities, so that a management system is used to monitor the operation state of each facility and the vibration occurring during operation of the facility.

The management system includes various sensors provided in the facility to monitor the operation state of equipment, and a management unit that is provided in the management room and receives signals of the sensors and analyzes the received signals to monitor the operation state of each facility.

At this time, the sensor is selected to be suitable for monitoring the operation state of various facilities including a temperature sensor, a vibration sensor, a displacement sensor, and the management unit is configured by mounting a management program in a general computer.

Therefore, the operation state of various facilities can be monitored in real time by receiving and analyzing signals of the sensor using the management unit during operation of the facility.

In this case, when monitoring the entirety of various facilities of the power plant using the above-described management system, not only a considerable cost is required but also a problem that an excessive load is applied to the control unit for receiving the signal of the sensor and analyzing the data occurs .

Therefore, in the case of a general power plant, only the main facilities having important functions such as turbines and boilers are managed in real time using the above-described management system, and the non-main-power equipment having a low importance such as a water supply device performs patrol And whether or not the equipment is abnormal.

However, since the non-main-power equipment also has an influence on the operation of the entire power plant in the event of a failure, the demand for real-time monitoring of unusual vibration occurring during the operation of the non-main equipment is increasing.

Therefore, there is a need for an effective method for real-time monitoring of vibrations occurring at a plant site including a non-main-power facility.

10-1496647, 10-1010717,

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide an abnormal vibration alarm device for a power plant with a new structure capable of effectively monitoring vibration generated at a power plant site.

According to an aspect of the present invention, there is provided a vibration damping device comprising: a vibration detecting means (10) provided in a non-main-power equipment of a power plant for monitoring vibration generated in a non- And a display unit (20) for displaying a vibration value measured by the vibration sensing means (10), wherein the display unit (20) is provided with a calculation program (23) for receiving and calculating the vibration value measured by the vibration sensing means , And the display unit (20) is provided with an alarm means (24) driven by the operation program (23).

According to another aspect of the present invention, the operation program 23 receives the vibration value measured by the vibration sensing means 10 to analyze a pattern of vibration generated in the non-main-force facility, And outputs an alarm signal when the generated vibration value exceeds a reference value or the vibration indicates an abnormal pattern.

According to another aspect of the present invention, the display unit 20 includes a real-time display unit 21 for displaying the intensity of the vibration sensed by the vibration sensing unit 10 in real time, And a mean value display unit 22 for displaying an average value of the vibrations sensed by the sensing means 10 is provided.

According to another aspect of the present invention, the display unit 20 and the vibration sensing means 10 are configured to be capable of data communication with a management unit 2 of a management system that manages a power plant, The abnormal vibration alarm device for a power plant site rotating equipment is characterized in that when the alarm signal is outputted from the display unit 20, the vibration monitoring device directly receives the signal of the vibration detecting means 10 and monitors the vibration generated in the non- / RTI >

According to another aspect of the present invention, the non-main-power equipment includes a housing 3a and a rotation shaft 3b coupled to the housing 3a to rotate the vibration sensing means 10, A support base 11 having a space portion 11a formed therein and a through hole 11b opened downward in the space portion 11a; And an air supply unit connected to the support base and supplying air into the space unit so that the lift unit moves upwards from the inside of the space unit, And a displacement measuring means (14) provided on the elevating member (12) for measuring a change in the distance between the elevating member (12) and the rotating shaft (3b) An equipment abnormal vibration alarm device is provided.

According to another aspect of the present invention, an air chamber 11d is formed in the support 11 so as to surround the periphery of the space 11a. On the bottom and inner surfaces of the space 11a, A plurality of fine nozzle holes 11e connected to the air chamber 11d are formed to supply air of a constant flow rate and pressure to the lower surface and the peripheral portion of the elevation member 12 by using the air supply means 13. [ So that the elevation member (12) can be lifted upwards.

According to another aspect of the present invention, the display unit 20 is configured to store the vibration value measured by the vibration sensing unit 10 and transmit the vibration value to the smart phone 30 carried by the operator, And an application (31) for analyzing the vibration value transmitted from the display unit (20) is mounted on the phone (30).

The abnormal vibration alarm apparatus for a power plant includes a vibration detecting means (10) provided in a non-main power plant of a power plant for monitoring vibration generated in a non-main power facility, And a display unit (20) for displaying a vibration value measured by the sensing means (10), wherein the display unit (20) is provided with a calculation program for receiving and calculating the vibration value measured by the vibration sensing means (23) is mounted on the display unit (20), so that the display unit (20) can monitor in real time the occurrence of vibration in the non-mainframe.

Therefore, the respective non-main-power facilities are separately monitored separately from the facilities of the entire power plant, in particular, the management system for monitoring the main equipment, so that the structure is simple and the cost is low, There is an advantage that a load can be prevented from being applied.

1 is a side view of an abnormal vibration alarm device of a power plant site rotation facility according to the present invention,
FIG. 2 is a circuit diagram showing an abnormal vibration alarm apparatus for a power plant site rotation facility according to the present invention,
FIG. 3 is a reference view showing a vibration detecting means of the abnormal vibration alarm apparatus for a power plant site rotary facility according to the present invention,
FIG. 4 and FIG. 5 are circuit diagrams for explaining the operation of the abnormal vibration alarm apparatus for a power plant site rotation facility according to the present invention,
6 is a circuit diagram showing a second embodiment of the abnormality alarm apparatus for a power plant site rotating facility according to the present invention.

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

1 to 5 illustrate an abnormal vibration alarm apparatus for a power plant site rotation facility according to the present invention, which is applied to a water supply apparatus which is a non-main facility.

At this time, the facility of the power plant is divided into a main facility and a non-main facility, and the main facility is equipped with a management system.

The management system includes various sensors (1) provided in the main equipment for monitoring the operation state of equipment, and a control unit (1) provided in the management room for receiving signals of the sensor (1) And a monitoring unit 2 for monitoring.

The water supply device is composed of a pump 3 and a drive motor 4 connected to the pump 3.

At this time, the pump 3 is provided with a housing 3a and a rotary shaft 3b to which the driving motor 4 is connected is provided at one side of the housing 3a, 3).

In addition, according to the present invention, the abnormal vibration alarm apparatus of the power plant site rotating equipment includes a vibration sensing means (10) provided in the housing (2a) of the water supply device and monitoring vibration generated in the rotary shaft (3b) And a display unit (20) connected to the vibration sensing means (10) for displaying the vibration value measured by the vibration sensing means (10).

2, the vibration sensing means 10 is provided in the housing 3a and has a space portion 11a formed therein, and the space portion 11a is opened downward A lifting member 12 which is vertically movable on the supporting table 11 and a supporting table 11 on which a through hole 11b is formed and which is connected to the supporting table 11, An air supply means 13 for supplying the elevation member 12 to the elevation member 12 so that the elevation member 12 floats upward from the inside of the space portion 11a; And displacement measuring means 14 for measuring a change in the spacing between the first and second electrodes 3b and 3b.

The support base 11 is fixed to the housing 3a such that the through hole 11b faces the upper surface of the rotation shaft 3b exposed to the outside of the housing 3a.

The space portion 11a is formed in the shape of a circular hole extending in the vertical direction at the center of the support base 11, and an exhaust hole 11C is formed on the upper side.

At this time, an air chamber 11d is formed in the support 11 so as to surround the periphery of the space 11a, and a bottom surface and an inner peripheral surface of the space 11a are connected to the air chamber 11d A plurality of fine nozzle holes 11e are formed.

The elevating member 12 is formed in a cylindrical shape slightly smaller than the inner diameter of the space portion 11a and is coupled to the space portion 11a so as to be able to ascend and descend.

The air supply means 13 uses an air compressor connected to the air chamber 11d through the air supply duct 13a to supply air of a predetermined flow rate and pressure to the inside of the air chamber 11d.

Accordingly, when air having a constant pressure and flow rate is supplied to the air chamber 11d by using the air supply means 13, the air supplied to the air chamber 11d flows through the nozzle hole 11e into the space And is discharged upward through the exhaust hole 11c after being uniformly injected into the inside of the elevating member 11a, particularly, the lower side and the periphery of the elevating member 12. [

When the air having a predetermined pressure and flow rate is injected into the lower side and the periphery of the elevation member 12 through the nozzle hole 11e as described above, The lower surface and the circumferential surface of the member 12 are elastically supported such that the circumferential surface and the lower surface of the elevating member 12 are spaced apart from the bottom surface and the circumferential surface of the space portion 11a.

At this time, when the elevation member 12 is lifted up by the air supplied to the inside of the space portion 11a, the elevation member 12 is lifted up by the air supplied into the space portion 11a, When the housing 3a vibrates in the vertical direction due to the vibration generated when the rotary shaft 3b is rotated by the drive motor 4, the support base 11 is supported by the housing 3a The elevation member 12 is not lifted up and down along with the housing 3a and the support base 11 but maintains a constant height.

The displacement measuring means 14 is provided on the lower side of the elevating member 12 and measures the distance from the elevating member 12 to the rotating shaft 3b through the through hole 11b, ) Can be measured.

To this end, the displacement measuring means 14 irradiates the peripheral surface of the rotating shaft 3b with the through-hole 11b to measure the time until the laser beam is reflected by the rotating shaft 3b Non-contact type displacement measuring means 14 for precisely measuring the distance to the rotating shaft 3b is used.

At this time, the elevation member 12 is lifted by the air supply means 13 to maintain a constant height even if the rotation shaft 3b or the housing 3a is vibrated in the vertical direction, The distance to the rotating shaft 3b measured by the displacement measuring means 14 is smaller than the distance between the rotating shaft 3b and the rotating shaft 3b It is possible to determine the vibration value of the rotary shaft 3b, that is, the amplitude and the frequency (Hz) of the rotary shaft 3b by measuring the changing speed and amplitude.

The displacement measurement means 14 for measuring the distance to the object by irradiating the laser and measuring the time until the irradiated laser is reflected is widely used for the measurement of the precise distance, A detailed description will be omitted.

The display unit 20 is formed in a box shape and fixed to one side of the water supply device. The display unit 20 includes a real-time display unit 21 for displaying the intensity of the vibration sensed by the vibration sensing unit 10 in real time, And an average value display unit 22 for displaying an average value of the vibrations sensed by the vibration sensing means 10 during the predetermined period.

To this end, the display unit 20 is provided with a calculation program 23 for receiving and calculating the vibration value, that is, the amplitude and the frequency of the rotation axis 3b measured by the vibration sensing means 10. [

At this time, the display unit 20 is provided with a selection switch (not shown) so that the mean value display unit 22 can display a vibration average value for each hour or day.

The operation program 23 receives the vibration value of the rotation shaft 3b measured by the vibration monitoring means and calculates an average value of vibration values of the rotation axis 3b by time, And when the vibration value generated on the rotary shaft 3b exceeds a reference value or the vibration generated on the rotary shaft 3b indicates an abnormal pattern, .

The display unit 20 is also provided with an alarm means 24 driven by the operation program 23 to output an alarm sound and a light signal so that when the alarm program 23 outputs an alarm signal, (24) is actuated to output an alarm sound and a light signal to warn the operator.

At this time, the display unit 20 and the vibration sensing means 10 are connected to the management unit 2 of the management system for managing the power plant in a wired or wireless manner so as to be capable of data communication, The signal is transmitted to the management unit 2 as shown in FIG.

5, when the alarm signal is output from the display unit 20, the management unit 2 directly outputs the signal of the vibration sensing unit 10 to the display unit 20 without going through the display unit 20. [ And monitors the vibration generated at the rotation shaft 3a.

That is, the management unit 2 normally receives signals of various sensors 1 provided in the main equipment and monitors only the operation state of the main equipment in real time. When the alarm unit 20 outputs an alarm signal, And receives a signal of the vibration sensing means 10 to monitor the vibration generated on the rotation shaft 3a in real time.

The abnormal vibration alarm device of the power plant is composed of a vibration sensing means (10) provided in a non-main power plant of the power plant for monitoring vibration generated in a non-main power facility, And a display unit (20) for displaying the vibration value measured by the vibration detecting means (10), wherein the display unit (20) is provided with a calculation program 23 is mounted on the display unit 20 so that the display unit 20 can monitor the occurrence of vibration in the non-main-power equipment in real time.

Therefore, the respective non-main-power facilities are separately monitored separately from the facilities of the entire power plant, in particular, the management system for monitoring the main equipment, so that the structure is simple and the cost is low, There is an advantage that a load can be prevented from being applied.

In particular, the operation program 23 receives the vibration value measured by the vibration sensing means 10 and analyzes a pattern of vibration generated in the non-main-force facility, and when the vibration value generated in the non- , And the display unit (20) is provided with a real-time display unit (21) for displaying the intensity of the vibration sensed by the vibration sensing means (10) in real time, And an average value display unit 22 for displaying an average value of the vibrations sensed by the vibration sensing means 10 for the predetermined period of time. The display unit 20 is provided with the calculation program 23 And an alarm means 24 driven.

Therefore, the operator can visually check the vibration value displayed on the real-time display unit 21 and the average value display unit 22 to visually confirm the vibration occurring during operation of the non-main-power equipment, An alarm is automatically output when an abnormal vibration occurs, and when an abnormality occurs in a vibration value generated in a non-main-power equipment, the operator can be informed of the abnormality promptly.

The display unit 20 and the vibration sensing means 10 are connected to the management unit 2 of the management system for managing the power plant so as to be capable of data communication, And directly receives the signal of the vibration sensing means 10 to monitor the vibration occurring in the non-main-force equipment.

Accordingly, when it is detected by the vibration sensing means 10 that vibration or abnormal vibration exceeding a reference value occurs in the non-main-power equipment, the management unit 2 directly receives the signal of the vibration sensing means 10, It is possible to more accurately monitor the vibration occurring in the non-main-force facility by confirming once again whether the vibration detection means 10 detects vibration exceeding the reference value or abnormal vibration.

That is, the display unit 20 uses a very low-performance CPU compared to the management unit 2 to reduce the cost, and the computation program 23 is also compared with the management program installed in the management unit 2 There is a possibility that an error may occur when analyzing the vibration value measured by the vibration sensing means 10 because it is made very simple.

Accordingly, when the display unit 20 determines that vibration or abnormal vibration occurs in excess of the reference value and outputs an alarm signal, the management unit 2 receives the signal of the vibration sensing unit 10 and confirms it again It is possible to more accurately monitor whether the vibration generated in the non-main-power equipment exceeds a reference value or occurs in an abnormal pattern.

The non-main-power equipment includes a housing 3a and a rotating shaft 3b coupled to the housing 3a for rotating the vibration sensing means 10. The vibration sensing means 10 is provided in the housing 3a, A lifting member 12 capable of lifting and lowering the lifting member 11 on the supporting table 11 and a supporting table 11 having a through hole 11b opened downward in the space 11a, An air supply means 13 connected to the support base 11 and supplying air into the space portion 11a so that the lifting member 12 floats upwards from the inside of the space portion 11a, And a displacement measuring means (14) provided on the elevating member (12) for measuring a change in the distance between the elevating member (12) and the rotating shaft (3b).

Therefore, there is an advantage that the vibration value generated in the rotary shaft 3b can be more accurately measured.

That is, the general vibration detecting means is fixed to the housing 3a to measure the displacement of the rotating shaft 3b. At this time, the housing 3a vibrates together with the rotating shaft 3b, An error may be generated when the displacement of the rotary shaft 3b is measured using the vibration sensing means 10 fixed to the rotary shaft 3b.

However, according to the present invention, the vibration detecting means 10 is provided with the displacement measuring means 14 on the elevating member 12 floated by the air, so that even if the housing 3a vibrates, the elevating member 12 And the displacement measuring means 14 are not vibrated, the vibration value of the rotary shaft 3b, that is, the amplitude and the frequency can be more accurately measured.

Particularly, an air chamber 11d is formed in the support 11 so as to surround the periphery of the space 11a, and a bottom surface and an inner peripheral surface of the space 11a are connected to the air chamber 11d A plurality of fine nozzle holes 11e are formed so as to supply air of a predetermined flow rate and pressure to the lower surface and the periphery of the elevating member 12 by using the air supplying means 13, So as to be lifted upwards.

Therefore, the elevation member 12 is elastically supported not only vertically but also laterally in the space portion 11a of the support base 11, so that the housing 3a vibrates not only in the vertical direction but also in the lateral direction There is an advantage that the displacement measuring means 14 fixed to the elevating member 12 and the elevating member 12 can be prevented from vibrating.

In the present embodiment, the vibration sensing means 10 includes a vibration sensing means 10 provided in the housing 3a, a space portion 11a formed therein, and a space portion 11a opened downward A lifting member 12 which is vertically movable on the supporting table 11 and a supporting table 11 on which a through hole 11b is formed and which is connected to the supporting table 11, An air supply means 13 for supplying the elevation member 12 to the elevation member 12 so that the elevation member 12 floats upward from the inside of the space portion 11a; 3b. However, if it is not necessary to measure the exact amplitude of the rotary shaft 3b, it is also possible to use a general acceleration sensor.

6 shows another embodiment according to the present invention in which the display unit 20 stores the vibration value measured by the vibration sensing means 10 and transmits it to the smartphone 30 carried by the operator And an application 31 for analyzing vibration values transmitted from the display unit 20 is mounted on the smartphone 30.

To this end, the display unit 20 is provided with a communication unit 25 capable of data communication with the smartphone 30 through a general communication standard such as Bluetooth or the like, To transmit the stored vibration value data to the smartphone 30 automatically.

As described above, various technologies for transmitting the set data automatically to the smartphone 30 when the smartphone 30 approaches are developed and widely used, and a detailed description will be omitted.

The application 31 analyzes the vibration value data transmitted from the display unit 20 in the same manner as the calculation program 23 mounted on the display unit 20 and calculates the average value of the vibration values of the rotation axis 3b by time , Day, and day to be displayed on the monitor of the smartphone 30, and when the vibration value generated on the rotary shaft 3b exceeds the reference value or the vibration generated on the rotary shaft 3b indicates an abnormal pattern , It is configured to output an alarm signal.

The abnormal vibration alarm device of the power plant site rotating equipment is configured such that when the worker carries the smartphone 30 on which the application 31 is mounted and approaches the display unit 20, Is transmitted to the smartphone 30, and when the data of the vibration value is received, the application 31 analyzes the vibration value, displays it on a monitor, and outputs an alarm if necessary, There are advantages.

10. Vibration detection means 20. Display unit
30. Smartphone

Claims (7)

A vibration detection means (10) provided in a non-main-power equipment of the power plant for monitoring vibration generated in the non-main equipment,
And a display unit (20) connected to the vibration sensing means (10) for displaying vibration values measured by the vibration sensing means (10)
The display unit (20) is provided with a calculation program (23) for receiving and calculating the vibration value measured by the vibration sensing means (10)
The display unit 20 is provided with an alarm means 24 driven by the operation program 23,
The non-main-power equipment includes a housing 3a and a rotation shaft 3b coupled to the housing 3a,
The vibration sensing means (10)
A support 11 provided in the housing 3a and having a space 11a formed therein and a through hole 11b opened downward in the space 11a,
An elevating member (12) provided on the supporting table (11) so as to be able to move up and down,
An air supply means 13 connected to the support base 11 and supplying air into the space portion 11a so that the lifting member 12 floats upward in the space portion 11a,
And a displacement measuring means (14) provided in the elevating member (12) for measuring a change in the distance between the elevating member (12) and the rotating shaft (3b).
The method according to claim 1,
The operation program 23 receives a vibration value measured by the vibration sensing means 10 and analyzes a pattern of vibration generated in the non-main-force facility. If the vibration value generated in the non-main-force facility exceeds a reference value Or an alarm signal is output when the vibration indicates an abnormal pattern.
The method according to claim 1,
Wherein the display unit (20) is provided with an alarm means (24) driven by the operation program (23).
The method according to claim 1,
The display unit (20) and the vibration sensing means (10) are configured to be capable of data communication with a management unit (2) of a management system for managing a power plant,
Wherein the management unit (2) receives the signal of the vibration sensing means (10) directly when the display unit (20) outputs an alarm signal and monitors the vibration generated in the non-main power facility Rotating equipment abnormal vibration alarm device.
delete The method according to claim 1,
An air chamber 11d is formed in the support 11 so as to surround the periphery of the space 11a,
A plurality of fine nozzle holes 11e connected to the air chamber 11d are formed on a bottom surface and an inner circumferential surface of the space portion 11a,
The air supply means 13 supplies air of a constant flow rate and pressure to the lower side surface and the peripheral portion of the elevation member 12 so that the elevation member 12 floats upward. Abnormal vibration alarm device at power plant site rotation facility.
The method according to claim 1,
The display unit 20 is configured to store the vibration value measured by the vibration sensing means 10 and transmit the vibration value to the smartphone 30 carried by the operator,
Wherein the smartphone (30) is equipped with an application (31) for analyzing the vibration value transmitted from the display unit (20).
KR1020150091578A 2015-06-26 2015-06-26 balance of plant vibration alarm device KR101579250B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113008352A (en) * 2021-03-05 2021-06-22 商丘工学院 Building structure vibration monitoring devices
KR102606063B1 (en) * 2023-05-19 2023-11-24 이에스콘트롤스(주) Building Automation System with failure prediction function

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080063572A (en) * 2007-01-02 2008-07-07 시그널링크 주식회사 Built-in digital vibration monitor
KR101010717B1 (en) 2009-11-10 2011-01-24 한국동서발전(주) Condition-based plant operation and maintenance management system
KR101496647B1 (en) 2013-10-08 2015-03-02 한국남부발전(주) Integrated simulator for distributed control system of a power plant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080063572A (en) * 2007-01-02 2008-07-07 시그널링크 주식회사 Built-in digital vibration monitor
KR101010717B1 (en) 2009-11-10 2011-01-24 한국동서발전(주) Condition-based plant operation and maintenance management system
KR101496647B1 (en) 2013-10-08 2015-03-02 한국남부발전(주) Integrated simulator for distributed control system of a power plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113008352A (en) * 2021-03-05 2021-06-22 商丘工学院 Building structure vibration monitoring devices
KR102606063B1 (en) * 2023-05-19 2023-11-24 이에스콘트롤스(주) Building Automation System with failure prediction function

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