KR20210058411A - Wireless sensing apparatus and sensing method using the same - Google Patents

Abstract

The present invention relates to a wireless sensing apparatus and a wireless sensing method using the same. According to the present invention, the wireless sensing apparatus comprises: a sensing unit sensing at least one of vibration, noise, and temperature generated by equipment to be diagnosed and outputting sensing data; a communication unit wirelessly transmitting the sensing data of the sensing unit to a diagnosis server diagnosing a condition or failure of the equipment to be diagnosed; a power supply supplying driving power to the sensing unit and the communication unit; a power generation unit operated by vibration generated by the equipment to be diagnosed to generate electric power and charge the power supply unit with the generated electric power; and control unit stopping operation of the sensing unit and the communication unit and switching the same to a low power mode and charging the power supply unit by controlling the power generation unit when the charging amount of the power supply is less than a minimum charging level, and controlling the power generation unit to stop power generation and controlling the sensing unit and communication unit to operate normally when the power supply unit is charged fully or to a set charging level or more. Accordingly, the wireless sensing apparatus can be operated without a separate external wiring for power supply or data transmission, so that the sensing data of the equipment to be diagnosed can be transmitted to the diagnostic server.

Description

Wireless sensing apparatus and wireless sensing method using the same

The present invention relates to a wireless sensing device and a wireless sensing method using the same.

In general, robots, machine tools, and other industrial equipment that are widely used in industrial sites diagnose or predict equipment failures using sensing data measured by sensors.In addition, reliability is minimized while minimizing downtime. Various studies that can be improved are ongoing.

For reference, in the related art, a sensor is installed at a predetermined position of an equipment, and then sensing data on vibration or temperature measured by the sensor is collected, and a failure of the corresponding equipment is diagnosed or predicted using the collected sensing data.

On the other hand, in an industrial site, not only one equipment is used, but a plurality of equipments are generally used, and since each sensor must be installed for each of the plurality of equipments, there is a problem that causes cost increase as a result.

In addition, a conventional sensor may have the power for the sensor built in or can be supplied with power through an external wiring. If the power for the sensor is built-in, there is an inconvenience of having to replace the power for the sensor at regular intervals. In the case of using wiring, installation is very cumbersome, and there is a problem that the periphery of the equipment is complicated by the external wiring.

The present invention has been conceived in view of the above problems, and an object of the present invention is to provide a wireless sensing device that is easy to install and does not require a separate external wiring for power supply or data transmission, and a wireless sensing method using the same.

The objects of the present invention are not limited to the objects mentioned above, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

The present invention for achieving the above object is a sensing unit that senses at least one of vibration, noise, and temperature generated from a device to be diagnosed and outputs the sensing data; A communication unit for wirelessly transmitting sensing data of the sensing unit to a diagnosis server for diagnosing a condition or failure of a diagnosis target device; A power supply for supplying driving power to the sensing unit and the communication unit; A power generation unit that generates power by operating by vibration generated from the device to be diagnosed, and charges the power supply unit with the generated power; And when the charging amount of the power supply is less than the minimum charging level, the sensing unit and the communication unit are stopped or switched to a low power mode, and then the power generation unit is controlled to charge the power supply, and the power supply is fully charged or exceeds a set charging level. Provides a wireless sensing device comprising a; a control unit that restrains the power generation unit when charged so as not to generate power and then controls the sensing unit and the communication unit to operate normally.

In a preferred embodiment, the power generation unit comprises: a piezoelectric module installed on at least one of an upper plate and a lower plate spaced apart by a predetermined distance and generating power by pressure applied from the outside; A lever for applying a pressure to the piezoelectric module by oscillating by vibration generated in the equipment to be diagnosed; And a spring connected to a predetermined position of the lever to amplify a force that swings the lever so that a pressure applied to the piezoelectric module by the lever is amplified.

In a preferred embodiment, the power generation unit further comprises a brake that restrains the lever so that it does not swing due to vibration generated from the equipment to be diagnosed, wherein the brake operates according to the control of the control unit to operate the lever. By restraining, power is not generated in the power generation unit.

In a preferred embodiment, the wireless sensing device is fixed so that it does not separate or fall from the device to be diagnosed, but according to the needs of the user, the wireless sensing device is detached from a predetermined position of the device to be diagnosed and fixed to another location or other device to be diagnosed. It further includes a; detachable portion provided to be able to.

In a preferred embodiment, the identification information receiving unit for receiving identification information on the type or name of the corresponding diagnosis target equipment from the identification tag attached to the diagnosis target equipment; further comprises, the control unit, the identification information received from the receiving unit Based on the identification information, sensing data necessary for diagnosis of a failure of the equipment to be diagnosed is identified, and the identified sensing data is transmitted to the diagnosis server.

In addition, the present invention is a wireless sensing method performed in a wireless sensing device, wherein (1) the control unit, the sensing unit and the operation of the communication unit when the charging amount of the power supply supplying power to the communication unit is less than the minimum charge level Controlling the power generation unit to operate after stopping or switching to a low power mode; (2) the power generation unit generates electric power by operating by vibration generated from the equipment to be diagnosed, and charging the power supply unit with the generated electric power; (3) the control unit, when the power supply is fully charged or is charged above a set charging level, restraining the power generation unit to prevent power generation, and then controlling the sensing unit and the communication unit to operate normally; (4) the sensing unit sensing at least one of vibration, noise, and temperature generated by the device to be diagnosed and outputting the sensing data; And (6) the communication unit wirelessly transmitting sensing data of the sensing unit to a diagnosis server for diagnosing a condition or failure of the equipment to be diagnosed.

In a preferred embodiment, the step (2) includes the steps of: (2-1) applying a pressure to the piezoelectric module by shaking the lever of the power generation unit by vibration generated from the equipment to be diagnosed; (2-2) the spring of the power generation unit amplifying a force that swings the lever so that the pressure applied to the piezoelectric module by the lever is amplified; And (2-3) generating power by the piezoelectric module of the power generation unit by the pressure applied from the lever.

In a preferred embodiment, in the step (3), the power generation unit has a brake that restrains the lever and fixes the lever so that it does not swing due to vibrations generated from the equipment to be diagnosed, and operates under the control of the controller to activate the lever. By restraining, power is not generated in the power generation unit.

In a preferred embodiment, before step (1), when the wireless sensing device is attached to a predetermined position of the device to be diagnosed, the (A) detachable unit prevents the wireless sensing device from deviating or falling off the device to be diagnosed. The step of fixing; further comprising, the detachable unit is provided to detach the wireless sensing device at a predetermined position of the device to be diagnosed according to the needs of the user to be fixed to another position or other equipment to be diagnosed.

In a preferred embodiment, between the step (4) and the step (6), (5) the identification information receiver identifies the type or name of the device to be diagnosed from the identification tag attached to the device to be diagnosed. Receiving information; In the step (6), the control unit, on the basis of the identification information received from the identification information receiving unit, to identify the sensing data necessary for diagnosis of a failure of the equipment to be diagnosed and the identification The communication unit is controlled so that the detected sensing data is transmitted to the diagnosis server.

By means of the above-described problem solving means, the present invention provides a sensing unit that senses at least one of vibration, noise, and temperature generated in the device to be diagnosed and outputs the sensing data, and a diagnostic server that diagnoses the state or failure of the device to be diagnosed. A communication unit that wirelessly transmits sensing data of the sensing unit, a power supply unit that supplies driving power to the sensing unit and the communication unit, and a power generation unit that generates power by operating by vibration generated from the equipment to be diagnosed and charges the power supply unit with the generated power. If the charge of the power supply is less than the minimum charge level, the sensing unit and the communication unit are stopped or switched to the low power mode, and then the power generation unit is controlled to charge the power supply. By having a control unit that prevents power generation and then controls the sensing unit and the communication unit to operate normally, it operates without a separate external wiring for power supply or data transmission, so that the sensing data of the equipment to be diagnosed can be transmitted to the diagnosis server. There is.

That is, the present invention does not cause inconvenience of replacing the power supply for a sensor, and there is no fear that the periphery of the equipment to be diagnosed is complicated by external wiring.

In addition, the present invention provides a detachable part that allows the wireless sensing device to be detached from a predetermined position of the device to be diagnosed and fixed to another position or other device to be diagnosed, so that it is easy to install the wireless sensing device and installed in the device to be diagnosed. As a method of attaching and detaching the wireless sensing device and installing it on other devices to be diagnosed, there is an effect of acquiring sensing data for a large amount of devices to be diagnosed using a small number of wireless sensing devices.

That is, the present invention can secure sensing data for all equipment while minimizing the consumption of installation cost even if a plurality of equipments are operated in an industrial site.

1 is a view for explaining a wireless sensing device according to an embodiment of the present invention.
2 is a diagram for explaining a detailed configuration of a wireless sensing device.
3 is a view for explaining a detailed configuration of a power generation unit provided in the wireless sensing device.
4 is a view for explaining a wireless sensing method according to an embodiment of the present invention.
5 is a diagram illustrating a power generation process according to a wireless sensing method.

In the following description, specific details of the present invention are shown to provide a general understanding of the present invention, but it is common knowledge in the art that the present invention can be easily practiced without these specific details and also by modifications thereof. It will be self-evident to those who have.

Hereinafter, a preferred embodiment according to the present invention will be described in detail with reference to the accompanying FIGS. 1 to 5, but will be described centering on parts necessary to understand the operation and operation according to the present invention.

1 is a view for explaining a wireless sensing device according to an embodiment of the present invention, Figure 2 is a diagram for explaining a detailed configuration of the wireless sensing device, Figure 3 is a detailed configuration of a power generation unit provided in the wireless sensing device It is a figure for explaining.

1 to 3, a wireless sensing device 100 according to an embodiment of the present invention includes a detachable unit 110, a sensing unit 120, a communication unit 130, an identification information receiving unit 140, and a power supply unit ( 150), the power generation unit 160 and the control unit 170 is configured to include.

The wireless sensing device 100 according to an embodiment of the present invention includes robots, machine tools, and other industrial equipment widely used in industrial sites, that is, equipment 10 to be diagnosed that generates vibration, noise, and heat while operating. ) Is installed in the diagnosis target device 10 and transmits the sensing data measured by the diagnosis target device 10 to the diagnosis server 20.

At this time, the above-described diagnosis server 20 is for diagnosing the condition or failure of the equipment to be diagnosed 10, and diagnoses whether a failure has occurred in the equipment to be diagnosed 10 based on the sensing data or predicts the possibility of a failure. In addition, the diagnosis result may be transmitted to the manager terminal 30 set in advance.

Meanwhile, a notification device (not shown) for outputting a notification to the administrator when a failure is diagnosed or predicted in the diagnosis target equipment 10 may be further provided, and the above-described notification device may be an LED, a buzzer, or A display device can be used.

The detachable part 110 fixes the wireless sensing device 100 so that it does not detach or fall from the device 10 to be diagnosed, and may be formed in a detachable form rather than permanently coupling the wireless sensing device 100. .

The detachable part 110 may be provided with a magnet, an adhesive, or a screw bolt.

That is, the detachable unit 110 detaches and attaches the wireless sensing device 100 at a predetermined position of the diagnosis target equipment 10 according to the needs of the user and fixes it to another position or other diagnosis target equipment, thereby performing one wireless sensing. It is possible to sequentially install the device 100 on a plurality of equipment to be diagnosed.

The sensing unit 120 is for sensing the device to be diagnosed 10, may be provided as a sensor module, and senses at least one of vibration, noise, and temperature generated from the device to be diagnosed 10 to sense the sensing data. Can be printed.

In this way, the sensing unit 120 receives driving power from the power supply unit 150, and may sense the diagnosis target equipment 10 or stop the operation according to the control of the control unit 170. In this case, when the sensing unit 120 stops the operation, consumption of driving power may also be reduced.

In addition, since it may be necessary to measure vibration or measure noise or heat depending on the equipment to be diagnosed 10, the sensing unit 120 is preferably provided to measure all vibration, noise, and temperature. Or it may be provided in the form of measuring only the noise or temperature alone.

Meanwhile, sensing data output from the sensing unit 120 may be input to the control unit 170 or the communication unit 130.

The communication unit 130 is for transmitting the sensing data of the sensing unit 120 to the outside, and is provided as a communication module, and in particular, may be provided as a wireless communication module capable of wirelessly transmitting data.

The communication unit 130 includes 3rd Generation Mobile Communication (3G), Long Term Evolution (LTE), WiFi, Bluetooth, Zigbee, or 5G mobile communication ( 5th Generation Mobile Communication, 5G) may be used to transmit the sensing data of the sensing unit 120 to the diagnosis server 20.

In addition, the communication unit 130 receives driving power from the power supply unit 150 and may transmit sensing data or stop the operation according to the control of the control unit 170. When the communication unit 130 stops driving, it is driven. Power consumption can also be reduced.

The identification information receiving unit 140 is for receiving identification information of the equipment to be diagnosed 10, for example, from an identification tag attached to the equipment to be diagnosed 10, for the type or name of the equipment to be diagnosed. It performs a function of receiving identification information.

Here, the above-described identification tag may be a Radio-Frequency IDentification (RFID) tag, and the identification information receiving unit 140 may be provided as an RFID reader.

Meanwhile, the identification information receiving unit 140 may also receive driving power from the power supply unit 150, and the identification information may be output to the control unit 170.

The power supply unit 150 is for supplying driving power, and includes the sensing unit 120 and the communication unit 130 to supply driving power to the entire device.

The power supply unit 150 may be provided as a rechargeable battery or capacitor, and may be provided to receive power from the power generation unit 160 to charge the amount of power.

The power generation unit 160 is provided for charging the power supply unit 150, and may be provided to generate power by operating by vibration generated from the equipment 10 to be diagnosed, and to charge the power supply unit 150 with the generated power. have.

The power generation unit 160 may include an upper plate 161 and a lower plate 162, a piezoelectric module 163, a lever 164, a spring 165, and a brake 166.

In addition, the upper plate 161 and the lower plate 162 are spaced apart by a predetermined distance to form an inner space, and a piezoelectric module 163, a lever 164, a spring 165, and a brake 166 are located in the inner space. Can be formed.

In addition, the piezoelectric module 163 is installed on at least one of the upper plate 161 and the lower plate 162, and preferably, at least two piezoelectric modules 163 are installed on the upper plate 161 and opposed thereto. Two piezoelectric modules 163 may be installed in a predetermined position of the lower plate 162 as well.

In addition, the piezoelectric module 163 generates power by pressure applied from the outside, and the power generated from the piezoelectric module 163 is supplied to the power supply unit 150.

In addition, the lever 164 is for applying pressure to the piezoelectric module 163, is disposed in the inner space of the upper plate 161 and the lower plate 162, is provided to have a predetermined length or width, and the rotation axis of the central portion It can be formed in a shape that rotates around.

The lever 164 is oscillated around the rotation axis by the vibration generated by the equipment 10 to be diagnosed. At this time, the end of the lever 164 may press the piezoelectric module 163.

In addition, the spring 165 is connected to a predetermined position of the lever 164, and by amplifying the swinging force of the lever 164, the pressure applied to the piezoelectric module 163 by the lever 164 can be amplified. To be.

Such, the spring 165 is between the piezoelectric module 163 installed on the upper plate 161 and one end of the lever 164, the other piezoelectric module 163 installed on the upper plate 161 and the other end of the lever 164 Between, between the piezoelectric module 163 installed on the lower plate 162 and one end of the lever 164, and between the other piezoelectric module 163 installed on the lower plate 162 and the other end of the lever 164, respectively It can be provided.

In addition, the brake 166 is for constraining the lever 164 and performs a function of constraining the lever 164 so as not to be shaken by vibration generated from the equipment 10 to be diagnosed.

Such, the brake 166 may operate under the control of the control unit 170 to constrain or release the lever 164, and pressurize the rotation axis of the lever 164 or fit into the rotation axis of the lever 164. In this way, the lever 164 can be restrained, and when the lever 164 is restrained by the brake 166, the power generation unit 160 does not generate power.

The control unit 170 is for overall control of the device, and in particular, determines whether or not the power generation unit 160 is operated by monitoring the amount of charge of the power supply unit 150, and may be provided as a microcontroller unit (MCU).

In this way, the control unit 170 operates by receiving driving power from the power supply unit 150, and monitors the charging amount of the power supply unit 150, and when the charging amount is less than the minimum charging level, the operation of the sensing unit 120 and the communication unit 130 is performed. After stopping or switching to a low power mode, the power generation unit 160 is controlled to release the restraints of the brake 166, thereby charging the power supply unit 150 with power generated by the power generation unit 160.

At this time, the control unit 170 may control the brake 166 by outputting a control signal to the brake 166 of the power generation unit 160, or control the operation of the brake 166 by turning on/off a separately provided relay. You may.

In addition, when the power supply unit 150 is fully charged or charged above the set charging level, the control unit 170 restrains the lever 164 through the brake 166 of the power generation unit 160 to prevent power generation, and then senses The unit 120 and the communication unit 130 may be controlled to operate normally.

After that, while the sensing unit 120 is operating, the sensing data sensed by the device to be diagnosed 10 is output, and the sensing data of the sensing unit 120 is wirelessly transmitted to the diagnosis server 20 while the communication unit 130 is operating. The process of transmitting to can be performed.

In addition, while the sensing unit 120 senses the device to be diagnosed 10, the lever 164 is constrained so that it does not swing by the brake 166 of the power generation unit 160, so that the device to be diagnosed 10 and the There is no fear of sensing irrelevant vibrations.

On the other hand, the control unit 170 does not collectively transmit all the sensing data sensed by the sensing unit 120 to the diagnosis server 20, but the device to be diagnosed based on the identification information received from the identification information receiving unit 140. It is also possible to identify sensing data necessary for fault diagnosis of (10) and transmit the identified sensing data to the diagnosis server 20.

That is, in the controller 170 or a memory provided separately, information on which of the vibration, noise, and temperature of the diagnostic target device 10 is to be sensed in order to diagnose a failure of the device to be diagnosed 10 is stored in the device to be diagnosed ( 10) may be stored in advance or in a separate memory, and if sensing data on vibration is required for fault diagnosis of the equipment to be diagnosed 10, the sensing data on vibration is transmitted through the communication unit 130 to the diagnosis server ( In a method of transmitting to 20), only sensing data necessary for fault diagnosis may be selected and transmitted to the diagnosis server 20.

As described above, the wireless sensing device 100 according to an embodiment of the present invention operates without a separate external wiring for power supply or data transmission, and transmits the sensing data of the diagnosis target equipment 10 to the diagnosis server 20. Therefore, there is no inconvenience of replacing the power supply for the sensor, and there is no fear that the periphery of the diagnosis target equipment 10 is complicated by external wiring.

In addition, since the wireless sensing device 100 according to an embodiment of the present invention is provided with a detachable unit 110 and can be installed in a manner that is detachably attached to the equipment 10 to be diagnosed according to the needs of the user, installation is easy. And, by using a small number of wireless sensing devices 100, sensing data for a large amount of equipment to be diagnosed may be obtained. That is, it is possible to secure sensing data for all diagnostic target equipment while minimizing the consumption of installation cost.

4 is a diagram illustrating a wireless sensing method according to an embodiment of the present invention, and FIG. 5 is a diagram illustrating a power generation process according to the wireless sensing method.

A wireless sensing method performed in a wireless sensing device according to an embodiment of the present invention will be described with reference to FIGS. 4 and 5.

However, since all functions performed in the wireless sensing method shown in FIGS. 4 and 5 are performed by the wireless sensing device described with reference to FIGS. 1 to 3, even if there is no explicit description, the functions described with reference to FIGS. 1 to 3 It should be noted that all functions are performed in the wireless sensing method according to the preferred embodiment of the present invention, and all functions described with reference to FIGS. 4 and 5 are performed as they are in the wireless sensing apparatus according to the preferred embodiment of the present invention.

First, when the wireless sensing device is attached to a predetermined position of the device to be diagnosed, the detachable part is fixed so that the wireless sensing device does not separate or fall from the device to be diagnosed (S110).

Such a detachable part is provided with a magnet, an adhesive, or a screw bolt, so that the wireless sensing device can be detached from a predetermined position of the equipment to be diagnosed according to the needs of the user and fixed to another position or to another equipment to be diagnosed.

Then, the control unit determines whether to control the power generation unit according to the charge amount of the power unit (S120).

At this time, the power unit supplies driving power to the entire device including the sensing unit and the communication unit.After the control unit monitors the charging amount of the power unit (S121), if the charging amount of the power unit is less than the minimum charge level, the sensing unit and the communication unit operate. After stopping or switching to a low power mode, the power generation unit may be controlled to operate (S122).

On the other hand, in the case where the power supply is fully charged in the above-described step 121 or is charged above the preset charging level, step 140 is not performed, but step 140 to be described later is immediately performed.

Then, the power generation unit generates power by operating by vibration generated in the diagnosis target equipment, and charges the power supply unit with the generated power (S130).

At this time, as the brake of the power generation unit is controlled by the control unit and the restraint of the lever by the brake is released, the lever of the power generation unit is oscillated by vibration generated from the equipment to be diagnosed to apply pressure to the piezoelectric module (S131). The spring amplifies the swinging force of the lever so that the pressure applied to the piezoelectric module by the lever is amplified (S132), and the piezoelectric module of the power generation unit generates power by the pressure applied from the lever (S133).

Thereafter, when the power supply is fully charged or is charged to the set charging level or higher, the control unit restrains the power generation unit to prevent power generation, and then controls the sensing unit and the communication unit to operate normally (S140).

In this case, the brake of the power generation unit is operated under the control of the control unit to restrain the lever, so that the lever may be fixed so as not to swing due to vibrations generated from the equipment to be diagnosed.

Thereafter, the sensing unit senses at least one of vibration, noise, and temperature generated in the device to be diagnosed and outputs the sensing data to the control unit or the communication unit (S150).

In this case, the sensing unit is preferably provided to measure all of vibration, noise, and temperature, but may be provided in the form of measuring only vibration, noise, or temperature.

Thereafter, the identification information receiving unit receives identification information on the type or name of the diagnostic target device from the identification tag attached to the diagnostic target device (S160).

To this end, the identification information receiver may be provided as a Radio-Frequency IDentification (RFID) reader, and the identification tag attached to the device to be diagnosed may be provided as an RFID tag.

Thereafter, the communication unit wirelessly transmits the sensing data of the sensing unit to the diagnosis server for diagnosing the condition or failure of the equipment to be diagnosed (S170).

In this case, the control unit may control the communication unit to identify sensing data necessary for diagnosis of a failure of the equipment to be diagnosed based on the identification information received from the identification information receiving unit and to transmit the identified sensing data to the diagnosis server.

In addition, the communication unit 3rd Generation Mobile Communication (3G), Long Term Evolution (LTE), WiFi, Bluetooth, Zigbee or 5th Generation Mobile Communication, 5G) can be used to transmit sensing data to the diagnosis server.

Thereafter, until the wireless sensing device is detached from the device to be diagnosed, the process of measuring the sensing data from the device to be diagnosed and transmitting it to the diagnosis server by repeating the above-described step 120 again or charging the power supply unit by operating the power generation unit is performed. Can be.

In the above, preferred embodiments of the present invention have been exemplarily described, but the scope of the present invention is not limited to such specific embodiments, and can be appropriately changed within the scope described in the claims.

110: detachable part 120: sensing part
130: communication unit 140: identification information receiving unit
150: power supply unit 160: power generation unit
161: upper plate 162: lower plate
163: piezoelectric module 164: lever
165: spring 166: brake
170: control unit

Claims (10)

A sensing unit that senses at least one of vibration, noise, and temperature generated from the device to be diagnosed and outputs the sensing data;
A communication unit for wirelessly transmitting sensing data of the sensing unit to a diagnosis server for diagnosing a condition or failure of a diagnosis target device;
A power supply for supplying driving power to the sensing unit and the communication unit;
A power generation unit that generates power by operating by vibration generated from the device to be diagnosed, and charges the power supply unit with the generated power; And
When the charging amount of the power supply is less than the minimum charging level, the sensing unit and the communication unit are stopped or switched to a low power mode, and then the power generation unit is controlled to charge the power supply, and the power supply is fully charged or charged to a set charging level or higher. And a control unit configured to control the sensing unit and the communication unit to operate normally after restraining the power generation unit so as not to generate power.
The method of claim 1,
The power generation unit,
A piezoelectric module installed on at least one of an upper plate and a lower plate spaced apart by a predetermined distance, and generating power by pressure applied from the outside;
A lever for applying a pressure to the piezoelectric module by oscillating by vibration generated in the equipment to be diagnosed; And
And a spring connected to a predetermined position of the lever to amplify the oscillating force of the lever so that the pressure applied to the piezoelectric module by the lever is amplified.
The method of claim 2,
The power generation unit,
A brake that restrains the lever so that it does not swing due to vibration generated from the equipment to be diagnosed; further comprising,
The brake,
The wireless sensing device, characterized in that the power is not generated in the power generation unit by operating under the control of the control unit to restrain the lever.
The method of claim 1,
Detachable and detachable provided to fix the wireless sensing device so that it does not deviate or fall from the device to be diagnosed, but according to the needs of the user, the wireless sensing device is detached from a predetermined position of the device to be diagnosed and fixed to another position or other device to be diagnosed. Unit; wireless sensing device, characterized in that it further comprises.
The method of claim 1,
Further comprising; an identification information receiving unit for receiving identification information on the type or name of the device to be diagnosed from the identification tag attached to the device to be diagnosed,
The control unit,
A wireless sensing device, characterized in that, based on the identification information received from the identification information receiving unit, the sensing data necessary for diagnosis of a failure of the equipment to be diagnosed are identified, and the identified sensing data is transmitted to a diagnosis server.
As a wireless sensing method performed in a wireless sensing device,
(1) The control unit controls the power generation unit to operate after stopping the operation of the sensing unit and the communication unit or switching to a low power mode when the amount of charge of the power supply supplying the driving power of the sensing unit and the communication unit is less than the minimum charge level. step;
(2) the power generation unit generates electric power by operating by vibration generated from the equipment to be diagnosed, and charging the power supply unit with the generated electric power;
(3) the control unit, when the power supply is fully charged or is charged above a set charging level, restraining the power generation unit to prevent power generation, and then controlling the sensing unit and the communication unit to operate normally;
(4) the sensing unit sensing at least one of vibration, noise, and temperature generated by the device to be diagnosed and outputting the sensing data; And
(6) The communication unit, wirelessly transmitting the sensing data of the sensing unit to a diagnosis server for diagnosing a condition or failure of the equipment to be diagnosed.
The method of claim 6,
The second step,
(2-1) applying pressure to the piezoelectric module by shaking the lever of the power generation unit by vibration generated from the equipment to be diagnosed;
(2-2) the spring of the power generating unit amplifying a force that the lever swings, so that the pressure applied to the piezoelectric module by the lever is amplified; And
(2-3) generating power by the piezoelectric module of the power generation unit by a pressure applied from the lever.
The method of claim 7,
In the third step, the power generation unit,
A brake that restrains the lever so that it does not fluctuate due to vibrations generated from the equipment to be diagnosed, operates according to the control of the control unit to restrain the lever, thereby preventing power generation from the power generation unit. Wireless sensing method.
The method of claim 6,
Before step (1),
(A) when the detachable unit is attached to the wireless sensing device at a predetermined position of the device to be diagnosed, fixing the wireless sensing device so that the device to be diagnosed does not separate or fall off; further comprising,
The detachable part,
A wireless sensing method, characterized in that it is provided to detach the wireless sensing device from a predetermined position of the equipment to be diagnosed according to the needs of the user and fix it to another position or to another equipment to be diagnosed.
The method of claim 6,
Between the step (4) and the step (6),
(5) the identification information receiving unit, receiving identification information on the type or name of the corresponding diagnosis target equipment from the identification tag attached to the diagnosis target equipment; further comprising,
In the step (6), the control unit,
And controlling the communication unit to identify sensing data necessary for diagnosing a failure of an equipment to be diagnosed based on the identification information received from the identification information receiving unit and to transmit the identified sensing data to a diagnosis server.

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