CN221946381U - Hydraulic component detection system based on PLC controller - Google Patents
Hydraulic component detection system based on PLC controller Download PDFInfo
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- CN221946381U CN221946381U CN202420555483.0U CN202420555483U CN221946381U CN 221946381 U CN221946381 U CN 221946381U CN 202420555483 U CN202420555483 U CN 202420555483U CN 221946381 U CN221946381 U CN 221946381U
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- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 101100408455 Arabidopsis thaliana PLC7 gene Proteins 0.000 description 8
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- 238000012360 testing method Methods 0.000 description 2
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Abstract
The utility model relates to the technical field of hydraulic element detection, and discloses a hydraulic element detection system based on a PLC (programmable logic controller), which comprises a computer, wherein the input end of the computer is in signal connection with the output end of a communicator, the input end of the communicator is in signal connection with the output end of the PLC, the input end of the PLC is respectively in signal connection with a liquid level meter, a flowmeter, a thermometer and a pressure meter, the output end of the PLC is in signal connection with the control end of a three-phase asynchronous motor.
Description
Technical Field
The utility model relates to the technical field of hydraulic element detection, in particular to a hydraulic element detection system based on a PLC (programmable logic controller).
Background
At present, the performance of the hydraulic component is detected by common methods such as a common pressure gauge, a thermometer and the like. When the hydraulic element is in a working state on engineering machinery, the data change is monitored in real time through an external pressure gauge and other instruments, and whether the change condition of the data accords with theoretical data is judged to be used as the basis of the quality of the hydraulic element.
The hydraulic element detection system based on the PLC comprises a flowmeter, a thermometer and a pressure meter which are respectively used for testing flow parameters, temperature parameters and pressure parameters of a tested hydraulic element in the hydraulic system, and a PLC controller which receives output signals of the flowmeter, the thermometer and the pressure meter and controls a frequency converter connected with a three-phase asynchronous motor, wherein the input end of the PLC controller is connected with the flowmeter, the thermometer and the pressure meter, the output end of the PLC controller is connected with an alternating current contactor, and the alternating current contactor is connected with the three-phase asynchronous motor; the PLC controller is connected with an upper computer, the input end of the upper computer is connected with a human-computer interface, and the output end of the upper computer is connected with a printer. The hydraulic element detection system can be used for detecting hydraulic elements under different road conditions, and has the advantages of high detection precision, high working reliability, low implementation cost, higher functional flexibility, low power consumption, low failure rate and adjustable functions. However, when the hydraulic pump fails during the test of the components, the measured data of the hydraulic components are inaccurate, resulting in errors in the detection of acceptable hydraulic components.
Disclosure of utility model
In order to solve the problems set forth in the background art, the present utility model provides a hydraulic element detection system based on a PLC controller.
The hydraulic element detection system based on the PLC provided by the utility model adopts the following technical scheme: the hydraulic element detection system based on the PLC comprises a computer, wherein the input end of the computer is in signal connection with the output end of a communicator, the input end of the communicator is in signal connection with the output end of the PLC, the input end of the PLC is respectively in signal connection with a liquid level meter, a flowmeter, a thermometer and a pressure meter, the output end of the PLC is in signal connection with the control end of a three-phase asynchronous motor, and the three-phase asynchronous motor is used for providing power for a hydraulic pump in the hydraulic system;
The computer comprises a human-computer interface, an industrial personal computer and data acquisition equipment, wherein the input end of the industrial personal computer is in signal connection with the output end of the data acquisition equipment, and the output end of the industrial personal computer is in signal connection with the input end of the human-computer interface.
Preferably, the data acquisition equipment comprises a vibration acquisition device, a flow sensor, a pressure sensor, a temperature sensor and a liquid level sensor, and the industrial personal computer is respectively in signal connection with the vibration acquisition device, the flow sensor, the pressure sensor, the temperature sensor and the liquid level sensor.
Preferably, the vibration collector is mounted on the hydraulic pump, and the vibration collector is used for detecting the hydraulic pump.
Preferably, the output end of the PLC is in signal connection with the input end of the audible and visual alarm.
Preferably, the communicator and the computer are connected by using an Ethernet.
Preferably, the control system of the computer adopts labview software, and the output end of the computer is in signal connection with the input end of the printer.
Preferably, the output end of the PLC is in signal connection with the input end of the electromagnetic valve control end.
In summary, the utility model has the following beneficial technical effects:
1. The utility model receives information transmitted by the pressure gauge, the thermometer, the flowmeter and the liquid level gauge through the PLC, then the communicator transmits the information received by the PLC into the computer through the Ethernet, and meanwhile, the human-computer interface receives data parameters transmitted by the vibration collector, the flow sensor, the pressure sensor, the temperature sensor, the liquid level sensor and the hydraulic element, then the human-computer interface receives the data information transmitted by the PLC, and the data information is interpreted, and three groups of data are printed through the printer, so that the operator can conveniently check the data.
2. According to the hydraulic component detection device, the abnormal vibration of the hydraulic pump is detected through the vibration collector, information is transmitted to the industrial personal computer, then the industrial personal computer judges that the hydraulic pump fails, and then the industrial personal computer displays that the hydraulic pump fails through a human-computer interface, so that the hydraulic component detection device is convenient for a worker to check, and errors caused by the failure of the hydraulic pump are reduced.
Drawings
FIG. 1 is a schematic diagram of the principle structure in an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a data acquisition device in an embodiment of the present utility model.
Reference numerals illustrate: 1. a computer; 2. a human-machine interface; 3. an industrial personal computer; 4. a data acquisition device; 41. a vibration collector; 42. a flow sensor; 43. a pressure sensor; 44. a temperature sensor; 45. a liquid level sensor; 5. a hydraulic pump; 51. a three-phase asynchronous motor; 6. a communicator; 7. a PLC; 8. an audible and visual alarm; 9. a solenoid valve control end; 10. a liquid level gauge; 11. a flow meter; 12. a thermometer; 13. pressure gauge, 14, printer.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
It is noted that the figures are schematic and not drawn to scale. Relative dimensions and proportions of parts of the figures have been shown exaggerated or reduced in size, for the sake of clarity and convenience in the drawings, and any dimensions are merely illustrative and not limiting. The same reference numerals are used for the same structures, elements, or accessories appearing in more than two figures to embody similar features.
The embodiment of the utility model discloses a hydraulic element detection system based on a PLC. Referring to fig. 1-2, a hydraulic element detection system based on a PLC controller includes a computer 1, a control system of the computer 1 adopts labview software, an output end of the computer 1 is in signal connection with an input end of a printer 14, so that the printer 14 prints data on a human-computer interface 2, an input end of the computer 1 is in signal connection with an output end of a communicator 6, the communicator 6 is in signal connection with the computer 1 in an ethernet transmission mode, an input end of the communicator 6 is in signal connection with an output end of a PLC7, an input end of the PLC7 is in signal connection with a liquid level meter 10, a flowmeter 11, a thermometer 12 and a pressure meter 13 respectively, an output end of the PLC7 is in signal connection with an input end of a solenoid valve control end 9, an output end of the PLC7 is in signal connection with an input end of an audible-visual alarm 8, an output end of the PLC7 is in signal connection with a control end of a three-phase asynchronous motor 51, and the three-phase asynchronous motor 51 is used for providing power for a hydraulic pump 5 in the hydraulic system;
The computer 1 comprises a human-computer interface 2, an industrial personal computer 3 and data acquisition equipment 4, wherein the data acquisition equipment 4 comprises a vibration collector 41, a flow sensor 42, a pressure sensor 43, a temperature sensor 44 and a liquid level sensor 45, the human-computer interface 3 is respectively in signal connection with the vibration collector 41, the flow sensor 42, the pressure sensor 43, the temperature sensor 44 and the liquid level sensor 45, the vibration collector 41 is arranged on a hydraulic pump 5, the vibration collector 41 is used for detecting the hydraulic pump 5, the input end of the human-computer interface 3 is in signal connection with the output end of the data acquisition equipment 4, and the output end of the industrial personal computer 3 is in signal connection with the input end of the human-computer interface 2.
Specifically, the three-phase asynchronous motor 51 provides power for the hydraulic pump 5, the information transmitted by the pressure gauge 13, the thermometer 12, the flowmeter 11 and the liquid level gauge 10 is received by the PLC7, then the information received by the PLC7 is transmitted into the computer 1 by the communicator 6 through the Ethernet, meanwhile, the industrial personal computer 3 receives the data parameters transmitted by the vibration collector 41, the flow sensor 42, the pressure sensor 43, the temperature sensor 44, the liquid level sensor 45 and the hydraulic element, then the human-computer interface 3 receives the data information transmitted by the PLC7 for interpretation, three groups of data are printed out by the printer 14 so as to be convenient for operators to check, when the hydraulic pump 5 breaks down, the vibration collector 41 detects abnormal vibration of the hydraulic pump 5, the information is transmitted to the industrial personal computer 3, then the industrial personal computer 3 judges that the hydraulic pump 5 breaks down, and then the industrial personal computer 3 displays that the hydraulic pump 5 breaks down through the human-computer interface 2;
Through the above-mentioned structural design to prevent that hydraulic pump 5 from breaking down, lead to hydraulic component to detect inaccurately.
The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
Secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
Finally: the foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420555483.0U CN221946381U (en) | 2024-03-21 | 2024-03-21 | Hydraulic component detection system based on PLC controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420555483.0U CN221946381U (en) | 2024-03-21 | 2024-03-21 | Hydraulic component detection system based on PLC controller |
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| Publication Number | Publication Date |
|---|---|
| CN221946381U true CN221946381U (en) | 2024-11-01 |
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| CN202420555483.0U Active CN221946381U (en) | 2024-03-21 | 2024-03-21 | Hydraulic component detection system based on PLC controller |
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| CN (1) | CN221946381U (en) |
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- 2024-03-21 CN CN202420555483.0U patent/CN221946381U/en active Active
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