CN108051309B - Monitoring device and monitoring method for oil pressure of oil pump - Google Patents
Monitoring device and monitoring method for oil pressure of oil pump Download PDFInfo
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- CN108051309B CN108051309B CN201810040309.1A CN201810040309A CN108051309B CN 108051309 B CN108051309 B CN 108051309B CN 201810040309 A CN201810040309 A CN 201810040309A CN 108051309 B CN108051309 B CN 108051309B
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- oil pressure
- oil
- pressure sensor
- value
- oil pump
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 230000003068 static effect Effects 0.000 claims abstract description 42
- 230000002159 abnormal effect Effects 0.000 claims abstract description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/064—Special adaptations of indicating or recording means with hydraulic indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0611—Hydraulic or pneumatic indicating, recording or sensing means
Abstract
The invention relates to a monitoring device and a monitoring method for oil pressure of an oil pump, wherein if the oil pump is in a normal pressurization test, the pressure intensity of each point on an oil way of the oil pump is consistent, a first oil pressure sensor is used for collecting the pressure intensity value of a jack connected with the output end of the oil pump, so that the oil pressure load value of each stage of a static load test is calculated, if the oil pressure load value is in linear correlation with an encrypted digital code value collected by a second oil pressure sensor, the oil pump is in the normal pressurization test, the data collected by a foundation pile static load instrument is marked as qualified, otherwise, abnormal early warning is carried out, and the oil pressure of the oil pump collected by the foundation pile static load instrument is monitored.
Description
Technical Field
The invention relates to the field of monitoring, in particular to a device and a method for monitoring oil pressure of an oil pump.
Background
The set top box collects test data of the foundation pile static load instrument in real time, and an applied collection technology is as follows: and the serial port programming and static load instrument protocol analysis are realized, and the data transmitted by the serial port are transparent transmission and are easy to analyze and crack, once the data are cracked, enterprises can carry out a stacking test without starting a static load instrument and an oil pump, and all levels of test data are transmitted to the set top box through simulation protocol software, so that the purposes of directly reporting and avoiding supervision without making a test are achieved.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the device and the method for monitoring the oil pressure of the oil pump collected by the foundation pile static load instrument are provided.
In order to solve the technical problems, the first technical scheme adopted by the invention is as follows:
the monitoring device for the oil pressure of the oil pump comprises a processor, a foundation pile static load instrument, a first oil pressure sensor, an oil pump, a jack and a second oil pressure sensor, wherein the processor is connected with a monitoring end;
the first oil pressure sensor is connected with the processor through a foundation pile static load instrument;
the second oil pressure sensor is connected with the processor;
the oil pump is respectively connected with the jack, the first oil pressure sensor and the second oil pressure sensor.
The second technical scheme adopted by the invention is as follows: a monitoring method of oil pressure of an oil pump comprises the following steps:
s1, when a foundation pile static load instrument is started and an oil pump is pressurized step by step, collecting a pressure value of a jack connected with an output end of the oil pump through a first oil pressure sensor;
s2, calculating to obtain an oil pressure load value of each stage of the static load test according to the pressure value of the jack;
and S3, judging whether each level of oil pressure load value of the oil pump and the encrypted digital code value acquired by the corresponding second oil pressure sensor are in linear correlation, and if not, sending out abnormal early warning.
The invention has the beneficial effects that: if the oil pump is in a normal pressurization test, the pressure intensity of each point on an oil way of the oil pump is consistent, the pressure intensity value of a jack connected with the output end of the oil pump is collected through a first oil pressure sensor, so that the oil pressure load value of each stage of a static load test is calculated, if the oil pressure load value is in linear correlation with an encrypted digital code value collected through a second oil pressure sensor, the oil pump is in the normal pressurization test, the data collected by a foundation pile static load instrument is marked as qualified, otherwise, abnormal early warning is carried out, and the oil pressure of the oil pump collected by the foundation pile static load instrument is monitored.
Drawings
FIG. 1 is a schematic diagram of a monitoring device for oil pressure of an oil pump according to the present invention;
FIG. 2 is a schematic diagram of a method of monitoring oil pressure of an oil pump according to the present invention;
description of the reference numerals:
1. a monitoring end; 2. a processor; 3. a foundation pile static load instrument; 4. a first oil pressure sensor; 5. an oil pump; 6. a jack; 7. and a second oil pressure sensor.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The most critical concept of the invention is as follows: the pressure value of the jack connected with the output end of the oil pump is collected through the first oil pressure sensor, so that the oil pressure load value of each stage of the static load test is calculated, if the oil pressure load value is linearly related to the encrypted digital code value collected through the second oil pressure sensor, the oil pump is indicated to be in a normal pressurization test, and otherwise, abnormal early warning is carried out.
Referring to fig. 1 and 2, a monitoring device for oil pressure of an oil pump includes a processor 2 connected to a monitoring end 1, a foundation pile static load meter 3, a first oil pressure sensor 4, an oil pump 5, a jack 6 and a second oil pressure sensor 7;
the first oil pressure sensor 4 is connected with the processor 2 through the foundation pile static load instrument 3;
the second oil pressure sensor 7 is connected with the processor 2;
the oil pump 5 is connected with the jack 6, the first oil pressure sensor 4 and the second oil pressure sensor 7 respectively.
From the above description, the beneficial effects of the invention are as follows: if the oil pump is in a normal pressurization test, the pressure intensity of each point on an oil way of the oil pump is consistent, the pressure intensity value of a jack connected with the output end of the oil pump is collected through a first oil pressure sensor, so that the oil pressure load value of each stage of a static load test is calculated, if the oil pressure load value is in linear correlation with an encrypted digital code value collected through a second oil pressure sensor, the data collected by a foundation pile static load instrument in the normal pressurization test of the oil pump is marked as qualified, otherwise, abnormal early warning is carried out, and the oil pressure of the oil pump collected by the foundation pile static load instrument is monitored.
Further, the processor is arranged on a set top box, and the set top box transmits data to the monitoring end through WiFi.
From the above description, it is clear that the set-top box can quickly transmit data of the processor.
Further, the set top box further comprises an alarm, and the alarm is connected with the processor.
From the above description, the alarm can be set to realize early warning when the acquired data is unqualified.
Furthermore, the foundation pile static load instrument is connected with the processor through an RS232 serial port.
From the above description, the RS232 serial port can realize rapid transmission of data collected by the oil pressure sensor.
Further, the oil pressure sensor is connected with the processor through an RS485 serial port.
From the above description, the RS485 serial port can realize the further transmission of the data collected by the oil pressure sensor.
The method for monitoring the oil pressure of the oil pump is characterized by comprising the following steps of:
s1, when a foundation pile static load instrument is started and an oil pump is pressurized step by step, collecting a pressure value of a jack connected with an output end of the oil pump through a first oil pressure sensor;
s2, calculating to obtain an oil pressure load value of each stage of the static load test according to the pressure value of the jack;
and S3, judging whether each level of oil pressure load value of the oil pump and the encrypted digital code value acquired by the corresponding second oil pressure sensor are in linear correlation, and if not, sending out abnormal early warning.
From the above description, the beneficial effects of the invention are as follows: if the oil pump is in a normal pressurization test, the pressure intensity of each point on an oil path of the oil pump is consistent, the pressure intensity value of a jack connected with the output end of the oil pump is collected through a first oil pressure sensor, so that the oil pressure load value of each stage of a static load test is calculated, if the oil pressure load value is in linear correlation with the actual oil pressure value collected through the oil pressure sensor, the oil pump is in the normal pressurization test, the data collected by a foundation pile static load instrument is marked as qualified, otherwise, abnormal early warning is carried out, and the oil pressure of the oil pump collected by the foundation pile static load instrument is monitored.
Referring to fig. 1-2, a first embodiment of the present invention is as follows:
the oil pressure monitoring device of the oil pump comprises a processor 2, a foundation pile static load instrument 3, a first oil pressure sensor 4, an oil pump 5, a jack 6 and a second oil pressure sensor 7 which are connected with a monitoring end 1;
the first oil pressure sensor 4 is connected with the processor 2 through the foundation pile static load instrument 3 and is used for collecting oil pressure sensors by the static load instrument;
the second oil pressure sensor 7 is connected with the processor 2 and is used for monitoring the oil pressure sensor;
the oil pump 5 is connected with the jack 6, the first oil pressure sensor 4 and the second oil pressure sensor 7 respectively. The method comprises the steps of carrying out a first treatment on the surface of the
The processor is arranged on the set top box, and the set top box transmits data to the monitoring end through WiFi;
the set top box further comprises an alarm, and the alarm is connected with the processor;
the foundation pile static load instrument is connected with the processor through an RS232 serial port;
the oil pressure sensor is connected with the processor through an RS485 serial port.
The second embodiment of the invention is as follows:
the monitoring method applied to the oil pressure monitoring device of the oil pump in the first embodiment comprises the following steps:
s1, when a foundation pile static load instrument is started and an oil pump is pressurized step by step, collecting a pressure value of a jack connected with an output end of the oil pump through a first oil pressure sensor;
s2, calculating to obtain an oil pressure load value of each stage of the static load test according to the pressure value of the jack;
and S3, judging whether each level of oil pressure load value of the oil pump and the encrypted digital code value acquired by the corresponding second oil pressure sensor are in linear correlation, and if not, sending out abnormal early warning.
Step S3 further includes:
and if the oil pressure load value and the encrypted digital code value are linearly related, marking the data collected by the foundation pile static loading instrument as qualified.
Judging whether the oil pressure load value and the encrypted digital code value are linearly related or not, specifically:
the oil pump is pressurized in a grading way, i is the ith stage of pressurization, i is a positive number, and ten stages of pressurization are selected in the embodiment;
calculating a difference value between an oil pressure load value P1 transmitted by the jack during first-stage pressurization and an oil pressure load value P2 transmitted by the jack during second-stage pressurization to obtain a first value;
calculating a difference value between the encrypted digital code value X1 of the second oil pressure sensor during the first-stage pressurization and the encrypted digital code value X2 of the second oil pressure sensor during the second-stage pressurization to obtain a second value;
calculating the ratio (P2-P1)/(X2-X1) of the first value to the second value to obtain a third value K1;
repeating the method, obtaining K2 when the third stage is pressurized, and obtaining K9 when the tenth stage is pressurized by analogy;
if the ratio of (Ki+1-Ki)/Ki is less than the first preset value, the oil pressure load value and the encrypted digital code value are determined to be linearly related.
And if the first preset value is 10%, judging that the oil pressure load value and the encrypted digital code value are linearly related, and in the embodiment, if the I (K2-K1)/K1I is <10%, the second-stage oil pressure load value and the oil pressure encrypted digital code value are linearly related, and pushing the same until the tenth stage is finished.
In summary, according to the device and the method for monitoring the oil pressure of the oil pump provided by the invention, if the oil pump is in a normal pressurization test, the pressure intensity of each point on an oil path of the oil pump is consistent, the pressure intensity value of a jack connected with the output end of the oil pump is collected through the first oil pressure sensor, so that the oil pressure load value of each stage of a static load test is calculated, if the oil pressure load value is in linear correlation with an encrypted digital code value collected through the second oil pressure sensor, the oil pump is in the normal pressurization test, the data collected by the foundation pile static load instrument is marked as qualified, otherwise, abnormal early warning is carried out, and the oil pressure of the oil pump collected by the foundation pile static load instrument is monitored.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (6)
1. The monitoring method using the oil pump oil pressure monitoring device is characterized in that the monitoring device comprises a processor, a foundation pile static load instrument, a first oil pressure sensor, an oil pump, a jack and a second oil pressure sensor, wherein the processor is connected with a monitoring end;
the first oil pressure sensor is connected with the processor through a foundation pile static load instrument; the first oil pressure sensor is used for collecting pressure values of a jack connected with the output end of the oil pump;
the second oil pressure sensor is connected with the processor; the second oil pressure sensor is used for collecting an encrypted digital code value;
the oil pump is respectively connected with the jack, the first oil pressure sensor and the second oil pressure sensor;
the monitoring method comprises the following steps:
s1, when a foundation pile static load instrument is started and an oil pump is pressurized step by step, collecting a pressure value of a jack connected with an output end of the oil pump through a first oil pressure sensor;
s2, calculating to obtain an oil pressure load value of an output end of the oil pump according to the pressure value of the jack;
s3, judging whether each level of oil pressure load value of the oil pump is in linear correlation with an encrypted digital code value acquired by a corresponding second oil pressure sensor, and if not, sending out abnormal early warning;
judging whether the oil pressure load value and the encrypted digital code value are linearly related or not, specifically:
the oil pump is pressurized in a grading way, namely, first-stage pressurization and second-stage pressurization … … ith-stage pressurization are respectively carried out, and i is a positive number;
calculating the oil pressure load value P of the first oil pressure sensor during the first stage pressurization 1 And the oil pressure load value P of the second oil pressure sensor during the first stage pressurization 2 Obtaining a first value;
calculating the encrypted digital code value X of the first oil pressure sensor during the first stage pressurization 1 And the digital code value X of the second oil pressure sensor during the first stage pressurization 2 Obtaining a second value;
calculating the ratio (P 2 -P 1 )/(X 2 -X 1 ) Obtaining a third value K 1 ；
Repeating the above stepsStep, obtaining K in the second stage of pressurization 2 By analogy, K is obtained when the ith stage is pressurized i ；
If (K) i+1 -K i )/K i And if the I is smaller than the first preset value, judging that the oil pressure load and the digital code value are linearly related.
2. The method of claim 1, wherein the processor is located on a set top box that transmits data to the monitoring terminal via WiFi.
3. The method of claim 2, wherein the set top box further comprises an alarm, the alarm being coupled to the processor.
4. The monitoring method using the oil pressure monitoring device of the oil pump according to claim 1, wherein the foundation pile static load instrument is connected with the processor through an RS232 serial port.
5. The monitoring method using the oil pressure monitoring device of the oil pump according to claim 1, wherein the first oil pressure sensor and the second oil pressure sensor are respectively connected with the processor through an RS485 serial port.
6. The monitoring method using the oil pressure monitoring device of the oil pump according to claim 1, wherein the step S3 further includes:
and if the oil pressure load value and the encrypted digital code value are linearly related, marking the data collected by the foundation pile static loading instrument as qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810040309.1A CN108051309B (en) | 2018-01-16 | 2018-01-16 | Monitoring device and monitoring method for oil pressure of oil pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810040309.1A CN108051309B (en) | 2018-01-16 | 2018-01-16 | Monitoring device and monitoring method for oil pressure of oil pump |
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| CN108051309A CN108051309A (en) | 2018-05-18 |
| CN108051309B true CN108051309B (en) | 2024-03-15 |
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| JP5867820B2 (en) * | 2012-03-08 | 2016-02-24 | セイコーインスツル株式会社 | Pressure sensor |
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