CN211924635U - Handheld ship hydraulic system state monitoring and fault analysis device - Google Patents
Handheld ship hydraulic system state monitoring and fault analysis device Download PDFInfo
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- CN211924635U CN211924635U CN202020428239.XU CN202020428239U CN211924635U CN 211924635 U CN211924635 U CN 211924635U CN 202020428239 U CN202020428239 U CN 202020428239U CN 211924635 U CN211924635 U CN 211924635U
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Abstract
The utility model provides a state monitoring and fault analysis device of a handheld ship hydraulic system, which comprises a serial port screen, a TF memory card, a pressure sensor, a temperature sensor, a singlechip, an outer protective shell, a battery and a data processing unit; the pressure and temperature sensors are connected with the single chip microcomputer; the singlechip is connected with the serial port screen; the serial port screen is electrically connected with the TF memory card, and the data processing unit runs on the serial port screen; the serial port screen is contained inside the outer protective shell. The device can measure, display, process and store the pressure and temperature of different pipelines in real time, and when the change rate of the pressure and the temperature of the system exceeds a set value, the device can send out an alarm sound. Any one group of data can be called at any time on the human-computer interaction interface of the serial port screen and displayed on the serial port screen again or two groups of data are displayed on the serial port screen at the same time. The device can be used for fault analysis of a ship hydraulic system, can graphically process pressure and temperature data in real time or off line according to user requirements, and can perform fault diagnosis and analysis on the hydraulic system.
Description
Technical Field
The utility model relates to a hydraulic system state monitoring technology field particularly, especially relates to a hand-held type boats and ships hydraulic system state monitoring and fault analysis device.
Background
The ship has various hydraulic equipment, monitors the pipeline pressure and temperature when the hydraulic equipment works, can indirectly obtain the running condition of the equipment, and helps to early warning and analysis of faults by analyzing and comparing the hydraulic pressure and temperature change conditions of pipelines in different time periods.
The hydraulic system of the ship generally adopts a mode of installing pressure gauges at different positions of a pipeline so as to measure the pressure condition of the current pipeline. For the oil temperature, a thermometer is installed only in the oil tank. At present, no device capable of collecting and intelligently processing pressure and temperature data of each pipeline in a handheld mode and performing fault diagnosis according to the pressure and temperature data exists.
The commercialized paperless recorder in the market at present can record multiple data, such as temperature, pressure, flow, liquid level, voltage, electric current, humidity, frequency, vibration, rotational speed etc. but the device only has data acquisition, demonstration and memory function, lacks the data processing function of hydraulic pressure specialty.
Patent document CN 206132112U mentions a state monitoring system for a wind power hydraulic system. The pressure data is processed by the local PLC system, but the PLC system occupies a larger space and is higher in price. The GPRS transmitting module is required to transmit local pressure data to the remote server, namely the local pressure data are transmitted wirelessly, compared with wired transmission, the problems of data loss and delay exist, and the state of a hydraulic system cannot be reflected timely and accurately. In addition, the remote server only has a pressure threshold alarm function and lacks a multi-parameter fusion specialized data processing function, so that the development trend of the working performance of the system cannot be judged more accurately.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned technical problems, a device for monitoring the state and analyzing the fault of a hydraulic system of a handheld ship is provided. The utility model discloses a serial ports screen, singlechip and TF storage card of small size have reduced the whole volume of device greatly, and the cost is reduced can realize the portability.
The utility model discloses a technical means as follows:
a hand-held type boats and ships hydraulic system condition monitoring and fault analysis device includes: the device comprises a serial port screen, a TF memory card, a pressure sensor, a temperature sensor, a single chip microcomputer, an outer protective shell and a data processing unit;
the single chip microcomputer comprises an analog-to-digital conversion circuit and a serial port communication circuit;
the pressure and temperature sensors are electrically connected with the singlechip through an analog-to-digital conversion circuit;
the single chip microcomputer is connected with the serial port screen through a serial port communication circuit;
the serial port screen is electrically connected with the TF memory card;
the data processing unit runs on the serial port screen;
the serial port screen is contained in the outer protective shell.
Furthermore, the data processing unit comprises a data acquisition module, a database, a data display and monitoring module, a data analysis and comparison module and a drawing loading module which are in wired connection.
Further, the data acquisition module is used for realizing manual acquisition and timing acquisition;
the manual acquisition, namely the data acquisition module can write any desired amount of data into the database at any desired time;
the timing acquisition module is used for writing all data in 5 minutes into the database in real time while acquiring signals, and then stopping writing.
Further, the database is stored in a TF memory card electrically connected with the serial port screen, and data are written in through the serial port screen.
Furthermore, the data display and monitoring module is used for calling data in the database for any period of time and displaying the data on the serial port screen in a curve mode and a digital mode, and when the change rate exceeds a set standard range, the corresponding number of the data is changed from black to red, and meanwhile, an alarm sound is given out.
Further, the data analysis and comparison module is used for displaying two groups of data in different time periods in the database on the serial port screen in two forms of curves and numbers, each form is compared in an up-down comparison mode, and the data which exceed the set range of the change rate correspondingly display the numbers on the serial port screen to change from black to red; dragging the time axis slider can check the analysis and comparison of two groups of data at different moments.
Further, the drawing loading module is used for adding drawing pictures of the hydraulic equipment into the database.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model provides a hand-held type boats and ships hydraulic system state monitoring and fault analysis device adopts serial ports screen, single chip microcomputer circuit and TF storage card of small volume, has reduced the whole volume of device greatly, the cost is reduced to it is possible to make the portability.
2. The utility model provides a hand-held type boats and ships hydraulic system state monitoring and fault analysis device, its data acquisition module can realize manual collection and regularly gather, and hydraulic equipment starts the back on the boats and ships, needs a period to reach steady state, and manual collection can avoid the device to gather the not meaningless hydraulic data before equipment does not yet steady operation, and regularly gathers and then provides a key formula operation when boats and ships hydraulic equipment steady operation.
3. The utility model provides a hand-held type boats and ships hydraulic system state monitoring and failure analysis device, its data display and monitoring module are except showing data with curve and digital dual mode on the serial ports screen, still inspect every data simultaneously, and the number that the data that will not be in the settlement within range corresponds on the serial ports screen becomes red by the black, sends the chimes of doom simultaneously to in time the operation of stop equipment before the occurence of failure.
4. The utility model provides a hand-held type boats and ships hydraulic system state monitoring and fault analysis device, its data analysis contrast module can show the data in two sets of different time quantum in the database on the serial ports screen with curve and two kinds of forms of digit, and each form is compared with the mode of upper and lower contrast respectively, and the data that surpass the settlement scope corresponds the digit that shows on the serial ports screen and can become red by black; dragging the time axis slider can check the analysis and comparison of two groups of data at different moments. And the hydraulic data when the equipment is abnormal is compared with the hydraulic data when the equipment is normal, so that the analysis of the reason of the equipment abnormality is facilitated, and the accident site is restored.
5. The utility model provides a hand-held type boats and ships hydraulic system state monitoring and fault analysis device, its drawing load module can be to the drawing picture that adds hydraulic equipment in the database, and the engineer can be at any time from the database transfer the drawing so that implement work such as maintenance with reference to the drawing.
Based on the reason above, the utility model discloses can extensively promote in fields such as hydraulic system state monitoring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced 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 inventive labor.
Fig. 1 is a schematic view of the structure of the device of the present invention.
Fig. 2 is a schematic diagram of the structure of the data processing unit of the device of the present invention.
Fig. 3 is a circuit diagram of dividing an analog signal, which is composed of resistors according to an embodiment of the present invention.
In fig. 1: 1. a serial port screen; 2. TF memory cards; 3. a pressure sensor; 4. a single chip microcomputer; 5. an outer protective shell; 6. a battery; 7. a temperature sensor.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1, the utility model provides a hand-held type boats and ships hydraulic system state monitoring and fault analysis device, include: the device comprises a serial port screen 1, a TF memory card 2, a pressure sensor 3, a singlechip 4, an outer protective shell 5, a battery 6, a temperature sensor 7 and a data processing unit; the singlechip 4 comprises an analog-digital conversion circuit and a serial port communication circuit; the pressure sensor 3 and the temperature sensor 7 are electrically connected with the singlechip 4 through an analog-to-digital conversion circuit; the singlechip 4 is connected with the serial port screen 1 through a serial port communication circuit; the serial port screen 1 is electrically connected with the TF memory card 2; the data processing unit runs on the serial port screen 1; the serial port screen 1 is contained inside an outer protective shell 5.
As shown in fig. 2, the data processing unit includes a data acquisition module, a database, a data display and monitoring module, a data analysis and comparison module, and a drawing loading module, which are connected by wire. The database is stored in a TF memory card 2 electrically connected with the serial port screen 1, and data are written by an operating system of the serial port screen 1. The TF memory card 2 is inserted into a card reader to be connected with a computer, and a hydraulic drawing picture in the computer can also be copied into the TF memory card 2. The drawing loading module can read a hydraulic drawing picture from the TF memory card 2 through the operating system of the serial port screen 1 and display the hydraulic drawing picture on the liquid crystal screen of the serial port screen 1.
The data acquisition module is used for realizing manual acquisition and timing acquisition; the manual collection, namely a data collection module can write any desired amount of data into the database at any desired time; and the timing acquisition module is used for writing all data in 5 minutes into the database in real time while acquiring signals, and then stopping writing. The manual acquisition mode and the timing acquisition mode of the data acquisition module can be realized by controlling the starting time and the ending time of writing data into the database.
The data display and monitoring module is constructed by an operating system of the serial port screen in a configuration mode according to an object-oriented idea, is used for calling data in a database for any period of time and displaying the data on the serial port screen 1 in a curve mode and a digital mode, and when the change rate exceeds a set standard range, the corresponding number of the data is changed from black to red, and meanwhile, an alarm sound is given out.
The data analysis and comparison module is used for displaying two groups of data in different time periods in the database on the serial port screen 1 in two forms of curves and numbers, each form is compared in an up-down comparison mode, and the data which exceeds the set range of the change rate correspondingly displays the numbers on the serial port screen 1 from black to red; dragging the time axis slider can check the analysis and comparison of two groups of data at different moments.
Further, as a preferred embodiment of the present invention, the serial port screen 1 adopts TJC1060X570_011 with a human-computer interface of shenzhen ceramic crystal relaxation electronics limited company, and has a function of receiving and processing data.
Further as the utility model discloses preferred embodiment, the chip model that singlechip 4 adopted is STM32F103ZET6, and it has analog-to-digital conversion circuit and serial communication circuit. A crystal oscillator is connected to the STM32F103ZET6 chip pin; and full-duplex serial port communication is carried out with the serial port screen 1, and the baud rate is 115200.
Further as the utility model discloses preferred embodiment, the scope of pressure sensor input signal is 0 ~ 40MPa, and the scope of output signal is 0 ~ 10V analog voltage. In the present embodiment, as shown in fig. 3, the nodes a1 to a9 are respectively connected to the positive electrodes of the output ends of the 9 pressure sensors; GND is the negative electrode of the output end of the pressure sensor 3; the nodes ADC 1-ADC 9 are respectively connected to 9 ADC input pins of the singlechip 4; R8-R28 are divider resistors. The resistor R8 and the resistor R16 are in the same column and serve as a group of voltage dividing resistors. The resistance of the resistor R8 is 20K ohm, the resistance of the resistor R16 is 10K ohm, so that the voltage of the node ADC1 is about one third of the voltage of the node A1, and the output signal of the pressure sensor 3 within the range of 0-10V is converted into an analog signal of 0-3.3V, so that the analog signal can be processed by an analog-to-digital conversion circuit of the single chip microcomputer 4. The principle of the voltage dividing resistor group of the other 8 columns is the same as that of the voltage dividing resistor group resistor R8 and resistor R16. Therefore, it is not described herein.
Further as the utility model discloses preferred embodiment, temperature sensor chooses for use a set of thermistor, through the relation that temperature variation and resistance change, comes detecting system's temperature. The temperature sensor converts temperature values of various hydraulic systems on the ship within the range of minus 30-120 ℃ into 0-3.3V analog voltage, then an analog-to-digital conversion circuit built in the single chip microcomputer 4 converts the 0-3.3V analog voltage into 0-4096 digital quantity, and converts the digital quantity obtained by conversion into real temperature values (unit ℃) in real time, and the real temperature values are displayed on the serial port screen 1 and stored in the TF memory card 2.
To sum up, the utility model discloses the theory of operation of device as follows:
the pressure sensor 3 converts a 0-40 MPa hydraulic value of each hydraulic device on the ship into a 0-10V analog voltage, the circuit which is composed of resistors and divides an analog signal voltage as shown in FIG. 3 converts the 0-10V analog voltage into a 0-3.3V analog voltage, the temperature sensor 7 converts a temperature value of each hydraulic system on the ship within a range of-30-120 ℃ into a 0-3.3V analog voltage, then an analog-to-digital conversion circuit built in the single chip microcomputer 4 converts the 0-3.3V analog voltage into a digital quantity of 0-4096, converts the digital quantity obtained by conversion into a real hydraulic value (unit MPa) and a temperature value (unit ℃) in real time, displays the real hydraulic value and the temperature value (unit ℃) on the serial port screen 1 and stores the real hydraulic value and the temperature value in the TF memory card 2. When the pressure change rate or the temperature change rate exceeds a certain standard value, the device gives an alarm. The data processing unit running on the serial port screen 1 constructs a human-computer interaction interface, and an engineer can call any previous group of data in the TF memory card 2 at any time and redisplay the previous group of data on the serial port screen 1 or simultaneously display the previous group of data on the serial port screen 1 for comparative analysis. The data of the TF card storage 2 can also be exported in the form of a text document for the engineer to analyze on the computer.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a hand-held type boats and ships hydraulic system condition monitoring and failure analysis device which characterized in that includes: the device comprises a serial port screen (1), a TF memory card (2), a pressure sensor (3), a single chip microcomputer (4), an outer protective shell (5), a battery (6), a temperature sensor (7) and a data processing unit;
the single chip microcomputer (4) comprises an analog-digital conversion circuit and a serial port communication circuit;
the pressure sensor (3) and the temperature sensor (7) are electrically connected with the singlechip (4) through an analog-to-digital conversion circuit;
the single chip microcomputer (4) is connected with the serial port screen (1) through a serial port communication circuit;
the serial port screen (1) is electrically connected with the TF memory card (2);
the data processing unit runs on the serial port screen (1);
the serial port screen (1) is contained in the outer protective shell (5).
2. The device for monitoring the state and analyzing the fault of the hydraulic system of the handheld ship according to claim 1, wherein the data processing unit comprises a data acquisition module, a database, a data display and monitoring module, a data analysis and comparison module and a drawing loading module.
3. The device for monitoring the state and analyzing the fault of the hydraulic system of the handheld ship according to claim 2, wherein the data acquisition module is used for realizing manual acquisition and timing acquisition;
the manual acquisition, namely the data acquisition module can write any desired amount of data into the database at any desired time;
the timing acquisition module is used for writing all data in 5 minutes into the database in real time while acquiring signals, and then stopping writing.
4. The device for monitoring the state and analyzing the faults of the hydraulic system of the handheld ship according to claim 2, wherein the database is stored in a TF memory card (2) electrically connected with the serial port screen (1), and data are written in through the serial port screen (1).
5. The device for monitoring the state and analyzing the fault of the hydraulic system of the handheld ship according to claim 2, wherein the data display and monitoring module is used for calling data in a database for any period of time and displaying the data on the serial port screen (1) in a curve mode and a digital mode, and when the change rate exceeds a set standard range, the corresponding number of the data is changed from black to red, and meanwhile, an alarm sound is given out.
6. The device for monitoring the state and analyzing the fault of the hydraulic system of the handheld ship according to claim 2, wherein the data analysis and comparison module is used for displaying two groups of data in different time periods in a database on the serial port screen (1) in two forms of curves and numbers, each form is compared in a vertical comparison mode, and the number displayed on the serial port screen (1) corresponding to the data exceeding the set range of the change rate is changed from black to red; dragging the time axis slider can check the analysis and comparison of two groups of data at different moments.
7. The device for monitoring the state and analyzing the fault of the hydraulic system of the handheld ship according to claim 2, wherein the drawing loading module is used for adding a drawing picture of the hydraulic equipment into the database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020428239.XU CN211924635U (en) | 2020-03-27 | 2020-03-27 | Handheld ship hydraulic system state monitoring and fault analysis device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020428239.XU CN211924635U (en) | 2020-03-27 | 2020-03-27 | Handheld ship hydraulic system state monitoring and fault analysis device |
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| CN211924635U true CN211924635U (en) | 2020-11-13 |
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| CN202020428239.XU Active CN211924635U (en) | 2020-03-27 | 2020-03-27 | Handheld ship hydraulic system state monitoring and fault analysis device |
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