CN213068149U - Mechanical state monitoring system - Google Patents
Mechanical state monitoring system Download PDFInfo
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- CN213068149U CN213068149U CN202021222588.2U CN202021222588U CN213068149U CN 213068149 U CN213068149 U CN 213068149U CN 202021222588 U CN202021222588 U CN 202021222588U CN 213068149 U CN213068149 U CN 213068149U
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Abstract
The utility model discloses a mechanical state monitoring system, include: the image acquisition device comprises a switch module, and the image acquisition device is started/shut down under the control of the switch module; a mechanical state monitoring device; and the switch module is connected with the switch module, and controls the start/stop of the image acquisition device under the trigger of the monitoring state signal output by the mechanical state monitoring device. The image acquisition device starts image acquisition in the state monitored by the mechanical state monitoring device, and can be started to capture key pictures when the monitored machine is in an abnormal state, so that the monitoring effect can be achieved, energy can be saved as much as possible, and the service life can be prolonged.
Description
Technical Field
The utility model relates to a data processing technology field, concretely relates to mechanical state monitoring system.
Background
With the continuous development of society and the continuous progress of science and technology, mechanized and automatic production gradually becomes a development trend. For example, engineering machinery is adopted in engineering construction, automobiles are adopted for travel, and production machinery is adopted for production. The development and realization of mechanical automation lead mechanical production to a new field, and by an automatic control system, the industrial production is really realized, the labor intensity is reduced, and the labor efficiency is improved.
Taking an engineering machine as an example, the engineering machine is mainly used for various construction projects, and generally works in construction environments of various mechanical industries. In the related art, some monitoring systems are often arranged on a construction site for monitoring a construction site, engineering machinery and the like, and generally, the monitoring systems acquire images all day long, need images in a certain time period, and extract influences of the corresponding time period. However, the existing monitoring system has large power consumption, and the construction of a construction site lasts for a long time, so that a mains supply needs to be connected.
Therefore, how to effectively realize the monitoring of construction sites, engineering machinery and the like becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that solves is how comparatively effectual realization to control such as job site, engineering machine tool.
According to a first aspect, an embodiment of the present invention provides a mechanical condition monitoring system, including: the image acquisition device comprises a switch module, and the image acquisition device is started/shut down under the control of the switch module; a mechanical state monitoring device; and the switch module is connected with the switch module, and controls the start/stop of the image acquisition device under the trigger of the monitoring state signal output by the mechanical state monitoring device.
Optionally, the mechanical condition monitoring device comprises an oil level monitoring device and/or a mechanical vibration monitoring device.
Optionally, the mechanical state monitoring device outputs a switch signal to trigger the switch module to control the image acquisition device to start after detecting that the oil level is abnormal and/or the vibration signal is abnormal; and the mechanical state monitoring device outputs a switching signal to trigger the switching module to control the image acquisition device to stop after detecting that the oil level is normal and/or the vibration signal is normal.
Optionally, the mechanical condition monitoring system further comprises: and the first communication module is used for establishing connection between the oil level monitoring device and/or the mechanical vibration detection device and the switch module.
Optionally, the mechanical state monitoring system further includes a server connected to the image capturing device through a second communication module.
Optionally, the mechanical state monitoring system further includes an electricity storage module connected to the image capturing device through the trigger switch circuit.
Optionally, the mechanical condition monitoring system further comprises: and the solar cell module is connected with the electric shock module and supplies power to the image acquisition device or the electricity storage module.
Optionally, the switch module comprises: the signal trigger switch circuit comprises a transistor, a switch main processing chip and a switch signal input circuit, wherein the switch main processing chip and the switch signal input circuit are simultaneously connected with the transistor trigger circuit.
Optionally, the transistor triggering circuit comprises a mos transistor, a triode, or a thyristor.
Optionally, the mechanical condition monitoring system further includes a weather monitoring module, and the weather monitoring module is connected to the server through the first communication module.
And after the abnormal condition is monitored, the mechanical state monitoring module outputs a switching signal to the switching module, and the switching module controls the image acquisition device to start image acquisition. In this embodiment, the initial state of the image capturing device may be a power-off state, and after the abnormal condition is detected, the power-on state of the image capturing device may be controlled by the switch module. The image acquisition device starts image acquisition in the state monitored by the mechanical state monitoring device, and can be started to capture key pictures when the monitored machine is in an abnormal state, so that the monitoring effect can be achieved, energy can be saved as much as possible, and the service life can be prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 shows a schematic view of a mechanical condition monitoring system of the present embodiment;
fig. 2 shows a schematic diagram of a switching circuit according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
An embodiment of the utility model provides a mechanical state monitored control system, as shown in fig. 1, this system can include: the image acquisition device comprises a switch module, and the image acquisition device is started/shut down under the control of the switch module; a mechanical state monitoring device; and the switch module is connected with the switch module, and controls the start/stop of the image acquisition device under the trigger of the monitoring state signal output by the mechanical state monitoring device.
The mechanical state monitoring device can be connected with the image acquisition device through the communication module, and specifically, the communication module can be a wired communication module, such as an RS485 communication module or an RS232 communication module. In order to flexibly equip the image acquisition device at a required position, a wireless communication module can be adopted to be connected with the image acquisition device in the application, for example, a Bluetooth module, a WiFi module, a ZigBee module, an operator communication module and the like can be adopted. The position of the image acquisition device can be flexibly set by adopting a wireless communication mode, for example, the image acquisition device can be arranged on a nearby building or other fixing devices according to the position of the machine, and also can be arranged on the machine body.
For example, the image capturing device, such as a camera, may be a movable image capturing device, may be mounted or attached to the work machine, or may be mounted on another building near the work machine. The mechanical state detection device is used for detecting mechanical states, for example, oil level states of the machine can be monitored, abnormal situations such as oil stealing events and the like can be detected, and abnormal situations such as vibration states of the machine and damage to the machine can be detected. And after the abnormal condition is monitored, the mechanical state monitoring module outputs a switching signal to the switching module, and the switching module controls the image acquisition device to start image acquisition. In this embodiment, the initial state of the image capturing device may be a power-off state, and after the abnormal condition is detected, the power-on state of the image capturing device may be controlled by the switch module.
The image acquisition device starts image acquisition in the state monitored by the mechanical state monitoring device, and can be started to capture key pictures when the monitored machine is in an abnormal state, so that the monitoring effect can be achieved, energy can be saved as much as possible, and the service life can be prolonged.
As an exemplary embodiment, the mechanical condition monitoring device includes an oil level monitoring device and/or a mechanical vibration monitoring device.
Wherein, the oil level detection device can obtain the vibration signal of the machine; calculating the distribution state of the vibration signal, wherein the distribution state comprises the fluctuation value distribution state and/or the frequency distribution state of the vibration signal; and determining the state information of the machine based on the distribution state of the vibration signals. For example: judging whether the fluctuation value is larger than a fluctuation threshold value or not and whether the frequency value is lower than a frequency threshold value or not; when the fluctuation value is larger than the fluctuation threshold value and the frequency value is lower than the frequency threshold value, the output is used for representing the mechanical vibration signal abnormity, for example, the mechanical state monitoring device is manually removed, or other mechanical parts are manually damaged. For example, a variance or standard deviation of the vibration signal may be calculated for the fluctuation value of the vibration signal. In this embodiment, the variance may be taken as an example for explanation, and specifically, the vibration signal includes: and the six-axis sensor acquires the acceleration of different shafting. Calculating the variance of the acceleration of different shafting; calculating the sum of the variances of the accelerations of different axes; and taking the sum of the variance of the acceleration of different shafting and the variance of the acceleration of different shafting as the variance of the vibration signal. Taking a six-axis sensor as an example, the variances of the X, Y, Z axis accelerations can be calculated separately. As an exemplary embodiment, the sum of the variances of the acceleration of the axes X, Y, Z may also be calculated as the fluctuation value of the vibration signal. Specifically, when the variance of the acceleration is calculated, the ratio of the acceleration of each axis to the gravitational acceleration may be calculated, and then the variance calculation may be performed based on the ratio. In an actual situation, a situation of mistakenly touching the terminal may occur, when the terminal is mistakenly touched, a vibration signal with large fluctuation and low frequency may be collected, and as an optional embodiment, after alarm information, whether the alarm information lasts for a second time or the alarm information is output at intervals within a third time may be judged to prevent false alarm; for example, it may be determined whether the alert message is continuously generated, and the terminal may be considered to be removed when a second duration, e.g., 3-5 minutes, is exceeded. Or the alarm information is generated continuously at intervals, for example, the alarm signal is generated at intervals within 3-5 minutes, and the terminal can be in a dismantling state. In the embodiment, after the alarm information is generated, invalid alarm information can be provided by using the continuity of the alarm information, so that false alarm is prevented.
Aiming at the oil level detection device, oil pressure monitoring data of a machine can be collected to obtain at least one oil pressure segment data; determining the oil pressure variation of each oil pressure segment according to the oil pressure segment data; determining an oil pressure drop segment according to the oil pressure segment data, the oil pressure variation and the mechanical state; and judging whether the oil level is abnormal or not according to the continuous oil pressure reduction time in the oil pressure reduction segment. The oil level of the machine in a static state can be effectively monitored, and whether abnormal conditions such as oil stealing and oil leakage occur or not is judged, so that when the oil level is abnormal, a switch signal is output to control the image acquisition device to start image acquisition.
As an exemplary embodiment, the mechanical state monitoring device outputs a switch signal to trigger the switch module to control the image acquisition device to start after detecting that the oil level is abnormal and/or the vibration signal is abnormal; and the mechanical state monitoring device outputs a switching signal to trigger the switching module to control the image acquisition device to stop after detecting that the oil level is normal and/or the vibration signal is normal. For example, after the image acquisition device is turned on, the image acquisition device can be controlled to be turned off through the switching signal which is sent by the mechanical state detection device and has a normal oil level and/or a normal vibration signal. As an alternative embodiment, the mechanical condition monitoring system may further include: the timer can start timing after the image acquisition device is started and output a switch signal for representing and controlling the image acquisition device to be closed when the preset time is reached, so that the image acquisition device is controlled to be closed.
As an exemplary embodiment, the monitoring system may further include: and the first communication module is used for establishing connection between the oil level monitoring device and/or the mechanical vibration detection device and the switch module. Because the oil level monitoring devices are usually located inside the oil tank, in order to avoid wiring and improve the flexibility of the image acquisition device, the oil level monitoring devices can be connected with the mechanical state detection device in a wireless mode to transmit switching signals. As an exemplary embodiment, the monitoring system may further include: and the server is connected with the image acquisition device through a second communication module. The image acquisition device can be stored locally after acquiring the image, and can also be uploaded to a server through the second communication module.
As an exemplary embodiment, the machine condition monitoring system further comprises: and the solar cell module is connected with the electric shock module and supplies power to the image acquisition device or the electricity storage module.
As an exemplary embodiment, as shown in fig. 2, the switch module includes: the signal trigger switch circuit comprises a transistor, a switch main processing chip and a switch signal input circuit, wherein the switch main processing chip and the switch signal input circuit are simultaneously connected with the transistor trigger circuit. The transistor trigger circuit comprises a mos tube, a triode or a controllable silicon.
In this embodiment, a transistor is taken as a mos transistor as an example:
the switching circuit mainly comprises an MOS tube trigger circuit, a switching machine main processing chip, a VRTC circuit and a switching machine signal input circuit, wherein the switching machine main processing chip, the VRTC circuit and the switching machine signal input circuit are simultaneously connected with the MOS tube trigger circuit; the MOS tube trigger circuit mainly comprises an NMOS tube T9 and a PMOS tube T8, wherein a D pole pin of the NMOS tube T9 is connected with a G pole pin of the PMOS tube T8; a G pole pin of the NMOS tube T9 is connected with a startup and shutdown signal input circuit; the S pole pin of the PMOS pipe T8 is connected with a VRTC circuit; a D pole pin of the PMOS tube T8 is connected with a main processing chip of the switch; the S pole pin of the NMOS tube T9 is grounded; the switch main processing chip comprises an ON/OFF pin, and a D pole pin of the PMOS tube T8 is connected with the ON/OFF pin of the switch main processing chip; the PMOS tube T8 is also connected in parallel with a pull-up resistor R80, and two ends of the pull-up resistor R80 are respectively connected with an S pole pin and a G pole pin of the PMOS tube T8.
As an exemplary embodiment, the mechanical condition monitoring system further comprises a weather monitoring module connected with the server through the first communication module. This weather detection module can include meteorological sensor, gathers meteorological information through meteorological sensor, can also carry out weather identification through image acquisition device collection environment picture, for example, can whether snow, whether weather such as rain are distinguished in the supplementary discernment of image that image acquisition device gathered.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A mechanical condition monitoring system, comprising:
the image acquisition device comprises a switch module, and the image acquisition device is started/stopped under the control of the switch module;
a mechanical state monitoring device; and the switch module is connected with the switch module, and controls the start/stop of the image acquisition device under the trigger of the monitoring state signal output by the mechanical state monitoring device.
2. The mechanical condition monitoring system of claim 1, wherein the mechanical condition monitoring device comprises an oil level monitoring device and/or a mechanical vibration monitoring device.
3. The mechanical condition monitoring system of claim 2, wherein the mechanical condition monitoring device outputs a switch signal to trigger the switch module to control the image acquisition device to start up after detecting that the oil level is abnormal and/or the vibration signal is abnormal;
and the mechanical state monitoring device outputs a switching signal to trigger the switching module to control the image acquisition device to stop after detecting that the oil level is normal and/or the vibration signal is normal.
4. The machine condition monitoring system of claim 2, further comprising:
and the first communication module is used for establishing communication connection between the oil level monitoring device and/or the mechanical vibration detection device and the switch module.
5. The machine condition monitoring system of claim 1, further comprising a server coupled to the image capture device via a second communication module.
6. The mechanical condition monitoring system of claim 1, further comprising an electrical storage module connected to the image capture device via a trigger switch circuit.
7. The machine condition monitoring system of claim 1, further comprising: and the solar cell module is connected with the electricity storage module and supplies power to the image acquisition device or the electricity storage module.
8. The mechanical condition monitoring system of claim 1, wherein the switch module comprises: a signal trigger switch circuit; the signal trigger switch circuit includes: the switch machine comprises a transistor, a switch machine main processing chip and a switch machine signal input circuit, wherein the switch machine main processing chip and the switch machine signal input circuit are simultaneously connected with a transistor trigger circuit.
9. The mechanical condition monitoring system of claim 8, wherein the transistor trigger circuit comprises a mos transistor, a triode, or thyristor.
10. The machine condition monitoring system of claim 1, further comprising a weather monitoring module coupled to the server via the second communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021222588.2U CN213068149U (en) | 2020-06-28 | 2020-06-28 | Mechanical state monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021222588.2U CN213068149U (en) | 2020-06-28 | 2020-06-28 | Mechanical state monitoring system |
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| Publication Number | Publication Date |
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| CN213068149U true CN213068149U (en) | 2021-04-27 |
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| CN202021222588.2U Active CN213068149U (en) | 2020-06-28 | 2020-06-28 | Mechanical state monitoring system |
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| CN (1) | CN213068149U (en) |
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- 2020-06-28 CN CN202021222588.2U patent/CN213068149U/en active Active
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Address after: 210000 floor 5, block B, China Merchants high speed railway Plaza, No. 9, Jiangnan Road, Dongshan street, Jiangning District, Nanjing, Jiangsu Province Patentee after: NANJING ZHIHE ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 211100 568 dragon sleeping Avenue, Jiangning District, Nanjing, Jiangsu (Jiangning Gao Xinyuan) Patentee before: NANJING ZHIHE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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