CN110057568A - Oil pump assy comprehensive detection system and liquid level sensor detection method - Google Patents
Oil pump assy comprehensive detection system and liquid level sensor detection method Download PDFInfo
- Publication number
- CN110057568A CN110057568A CN201910439539.XA CN201910439539A CN110057568A CN 110057568 A CN110057568 A CN 110057568A CN 201910439539 A CN201910439539 A CN 201910439539A CN 110057568 A CN110057568 A CN 110057568A
- Authority
- CN
- China
- Prior art keywords
- oil pump
- pump assy
- float
- liquid level
- level sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 86
- 239000007788 liquid Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004088 simulation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
- G01F25/24—Testing proper functioning of electronic circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of oil pump assy comprehensive detection system and methods.Oil pump assy comprehensive detection system includes pedestal, electric cylinders, servo motor, electrical resistance collection device and float lifting apparatus.Oil pump assy to be detected is mounted on the base, one end of float lifting apparatus is set to below the float of the liquid level sensor of oil pump assy and contacts with float, the other end of float lifting apparatus connect with electric cylinders and drives float movement under the driving of electric cylinders, servo motor connect with electric cylinders and feeds back the position of the float lifting apparatus, electrical resistance collection device connect with liquid level sensor and acquires the resistance of liquid level sensor, and the continuity test of liquid level sensor is completed using resistance collected and the corresponding relationship of position.Test point continuity of the invention is good, and sampling is continuous within the scope of floats, is not in that the case where defect point leads to erroneous judgement is just skipped in detection position.
Description
Technical field
The present invention relates to oil pump fields, and in particular to a kind of oil pump assy comprehensive detection system and liquid level sensor detection side
Method.
Background technique
Oil pump assy is the key components of automobile engine etc., for oil pump assy liquid level sensor detection very
It is important.However, existing detection is that liquid surface lifting is simulated in the float lifting of liquid level sensor with hand by artificial detection mostly,
And only survey the corresponding resistance value of several positions.Then by sampling to determine whether qualified.Entire test process is discontinuous, right
The phenomenon that test point of product is single, and covering surface is small, is easy to appear missing inspection and can't detect, causes substandard product to flow to
Get in market.
For the Check up polarity of the motor of oil pump assy, current method is to detect the air-flow of impeller, when motor rotates forward
There is wind, when motor reversal, there is not wind, thus judge the positive and negative rotation of motor, polarity, however, due at present to the requirement in terms of environmental protection
It improves, the position of oil outlet is provided with filtering core device, fails substantially so as to cause original detection method.
For the detection of the revolving speed of motor, existing method can mainly be pumped out by the detection circle of impeller one come it is how many oily, from
And the revolving speed of motor is estimated, testing result inaccuracy.
Summary of the invention
The object of the present invention is to provide a kind of oil pump assy comprehensive detection system and liquid level sensor detection methods, to solve
Above-mentioned problems of the prior art.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided a kind of oil pump assy comprehensive detection system,
The oil pump assy comprehensive detection system includes pedestal, electric cylinders, servo motor, electrical resistance collection device and float lifting apparatus, to
The oil pump assy of detection is installed on the pedestal, and one end of the float lifting apparatus is set to the liquid level of the oil pump assy
It is contacted below the float of sensor and with the float, the other end of the float lifting apparatus is connect and in electricity with the electric cylinders
The float is driven to move under the driving of cylinder, the servo motor connect with the electric cylinders and feeds back the float lifting apparatus
Position, the electrical resistance collection device connect with liquid level sensor and acquire the resistance of liquid level sensor, using resistance collected with
The corresponding relationship of position completes the continuity test of liquid level sensor.
In one embodiment, the oil pump assy comprehensive detection system further includes polarity sensor, the polarity sensing
Device is installed on the pedestal and cooperates with the oil pump assy to detect the motor polarity of the oil pump assy.
In one embodiment, the oil pump assy comprehensive detection system further includes analog input card, the analog input card with
The voltage pulse signal that the oil pump assy is connected and generated when acquiring the commutator alternating of the oil pump assy.
In one embodiment, the oil pump assy comprehensive detection system further includes programmable power supply, the programmable electricity
Source is connected from the motor of the oil pump assy to provide different voltages for the motor.
In one embodiment, the electrical resistance collection device carries out 100 times per second to every to the resistance of the liquid level sensor
3000 samplings of second.
In one embodiment, when the electrical resistance collection device acquisition float lifting apparatus is located at bottom and the top
The float sensor resistance.
In one embodiment, the oil pump assy comprehensive detection system further includes locating piece, and the locating piece is installed on
It is positioned on the pedestal and to the oil pump assy, wherein the locating piece includes mutually independent first part and
Two parts, the first part have rectangular profile, and the side of the second part is provided with V-arrangement mounting groove, and oil pump assy is solid
Due between the first part and second part, and it is located in the V-shaped groove, wherein the first part and second part
Bottom be additionally provided with magnetic part, the first part and second part are fixed on the oil pump assy by the magnetic part
On erecting bed.
In one embodiment, the float lifting apparatus is L shaped plate, and the vertical portion of the L shaped plate is installed on described
In electric cylinders, the L shaped plate horizontal component is protruded into below the float.
In one embodiment, the L shaped plate horizontal component is equipped with the groove extended along horizontal component.In one embodiment
In, the oil pump assy comprehensive detection system is arranged to the electric cylinders and the float lifting apparatus is driven to carry out uniform motion.
According to another aspect of the present invention, a kind of oil pump assy liquid level sensor detection method is additionally provided, including the use of
Above-mentioned oil pump assy comprehensive detection system detects the liquid level sensor of the oil pump assy.
In one embodiment, it the described method comprises the following steps:
Detect resistance of the float at bottom；
Electric cylinders drive the lifting of float lifting apparatus；
Float lifting apparatus increases the float lifting simulation liquid level of the liquid level sensor；
Electrical resistance collection device samples the resistance value of the liquid level sensor；
The position of the servo motor feedback float lifting apparatus；
The position of float is mapped with the resistance value of detection, completes follow-on test.
In one embodiment, the electrical resistance collection device carries out 100 times per second to per second to the resistance of liquid level sensor
3000 samplings.
In one embodiment, the method also includes being detected in the motor of the oil pump assy using polarity sensor
Rotor motion, thus directly detect motor positive and negative rotation.
The voltage pulse generated when in one embodiment, the method also includes capturing the commutator of oil pump assy alternating
Signal finds out the motor speed of the oil pump assy to calculate.
Exist in one embodiment, the oil pump assy comprehensive detection system includes analog input card and programmable power supply, described
The voltage pulse signal that analog input card connect with the oil pump assy and generates when capturing the commutator alternating of oil pump assy, it is described
Programmable power supply is connected from the oil pump assy to provide different voltages.
Each technical solution of the invention at least has part or all of following technical effect:
(1) oil pump assy comprehensive detection system of the invention can be realized simultaneously the liquid level sensor to oil pump assy, electricity
The revolving speed of the polarity of machine and motor carries out comprehensive detection, comprehensive detection improves production efficiency, due to polarity, electric current, resistance value
Detection is detected all in the same tooling, is saved than measuring the time of related content respectively.
(2) the motor polarity detection method about the Check up polarity routine of motor be detect impeller air-flow, when motor just
Turn Shi Youfeng, when motor reversal, there is not wind, to judge the positive and negative rotation of motor, polarity, however, due at present to environmental protection in terms of
It is required that improving, the position of oil outlet is provided with filtering core device, fails substantially so as to cause original detection method, and the present invention is logical
It crosses using polarity sensor and detects motor internal rotor, directly detect the positive and negative rotation of motor, solve existing after installing filtering core device additional
The problem for having detection method substantially invalid.
(3) it can mainly be pumped out by the detection circle of impeller one come how many oil about motor speed detection existing method, thus
Estimate the revolving speed of motor, testing result inaccuracy.And commutator and carbon brush that the application utilizes motor to have, when carbon brush is inswept
After commutator, a current peak will form, the application finds out revolving speed by calculating current peak value, so that testing result is quasi-
Really.
(4) there are following advantageous effects about the liquid level sensor detection of oil pump assy:
Firstly, the continuity of detection is good, sampling is continuous within the scope of floats, is not in detect position just
Skip the case where defect point leads to erroneous judgement；
Secondly, accuracy in detection is high, due to being that electric cylinders are at the uniform velocity gone up and down and position is fed back by servo motor, position and resistance value
Correspondence is high.Artificial detection location error is big, and resistance value correspondence is with regard to low.Can equally there be erroneous judgement situation；
Again, detection accuracy is high, since acquisition density is big, can achieve 3000 times/second, detection accuracy is higher, reaches substantially
To all standing.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of oil pump assy comprehensive detection system of the present invention.
Fig. 2 is the stereoscopic schematic diagram of locating piece of the present invention.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, it is of the invention to be clearer to understand
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and only it is
Illustrate the connotation of technical solution of the present invention.
In the following description, elaborate certain details to provide for the purpose for illustrating various disclosed embodiments
To the thorough understanding of various open embodiments.But it one skilled in the relevant art will recognize that can be in without these details
One or more details the case where get off to practice embodiment.Under other circumstances, well known device associated with this application,
Structure and technology may not be illustrated in detail or describe to avoid unnecessarily obscuring the description of embodiment.
Expression is in conjunction with the embodiments described to be referred to " one embodiment " or " embodiment " throughout the specification
Certain features, structure or feature are included at least one embodiment.Therefore, in each position of the whole instruction " at one
In embodiment " or " in an embodiment " in appearance without all referring to identical embodiment.In addition, certain features, structure or feature
It can combine in any way in one or more embodiments.
In the following description, structure and working method of the invention in order to clearly demonstrate, will be by many Directional words
It is described, but should be by the words such as "front", "rear", "left", "right", "outside", "inner", " outside ", " inside ", "upper", "lower"
Language understands for convenience of term, and is not construed as word of limitation.
The characterization processes of current oil pump assy are as follows:
Oil pump assy is placed on testboard first, different oil pump assys needs to correspond to different tool locatings.
Secondly original test is the designated position by manually product liquid level small wooden raft being lifted or being dropped to measurement,
Again by meter read data, tested.
These techniques have the drawback that
Firstly, causing tooling quantity very huge.Incomplete statistics at present, the shape of oil pump assy on the market is at least
There are as many as thousands of kinds.Current tooling versatility is very bad.Cost is very high.Maintenance difficulties are high.
Secondly, entire test process is discontinuous, single to the test point of product, covering surface is small, be easy to appear missing inspection and
The phenomenon that can't detect, substandard product is caused to flow to market up.
The present invention generally discloses a kind of oil pump assy comprehensive detection system, on the one hand can be used for in oil pump assy
Liquid level sensor detected, on the other hand oil pump assy comprehensive detection system of the invention can be also used for oil pump assy
Motor polarity and revolving speed Check up polarity.The oil pump assy comprehensive detection system includes pedestal, electric cylinders, servo motor, resistance
Collector and float lifting apparatus.Oil pump assy liquid level sensor to be detected is mounted on the base, float lifting apparatus
The float of the liquid level sensor of one end and oil pump assy connects, and the other end of float lifting apparatus connect with electric cylinders and in electric cylinders
Lower drive float movement is driven, servo motor connect with electric cylinders and feed back the position of float lifting apparatus, electrical resistance collection device and liquid
Level sensor connects and acquires the resistance of liquid level sensor, completes level sensing using the resistance of acquisition and the corresponding relationship of position
The continuity test of device.Oil pump assy comprehensive detection system can also include that polarity sensor and acquisition are applied for card, polarity sensing
Device is mounted on the base and cooperates with oil pump assy to detect the motor polarity of oil pump assy, and analog input card and oil pump assy connect
The voltage pulse signal for connecing and being generated when acquiring the commutator alternating of oil pump assy, and according to the calculated motor of the pulse signal
Revolving speed.Some embodiments of the present invention are specifically described with reference to the accompanying drawings.
Fig. 1 is the perspective view of the oil pump assy comprehensive detection system of one embodiment of the invention.As shown in Figure 1, oil pump assy
Comprehensive detection system 100 includes pedestal 10, electric cylinders 20, servo motor 30, electrical resistance collection device (not shown), float lifting apparatus
40.Oil pump assy 200 to be detected is installed on pedestal 10, and liquid level sensor is installed on the inside of oil pump assy 200, and liquid level passes
The float 50 of sensor stretches out in the outside of oil pump assy 200.One end of float lifting apparatus 40 and the float 50 of liquid level sensor
Connection, the other end of float lifting apparatus 40 connect with electric cylinders 20 and drive float 50 to move under the driving of electric cylinders 20, servo
Motor 30 connect with electric cylinders 20 and feeds back the position of float lifting apparatus 40, electrical resistance collection device (not shown go out) and liquid level sensor
The resistance for connecting and acquiring liquid level sensor completes the continuous of liquid level sensor using the resistance of acquisition and the corresponding relationship of position
Property test.
With continued reference to Fig. 1, it further includes polarity sensor 60 that oil pump assy comprehensive detection, which is 100, and polarity sensor 60 is installed
In the side on pedestal 10 and positioned at the total vehicle 200 of oil pump, which can be substantially vertical with float lifting apparatus 40
Arrangement.Polarity sensor 60 can use PCE polarity sensor.It is detected by using polarity sensor 60 in oil pump assy 50
Motor internal rotor movement, directly detect motor positive and negative rotation, thus solve install additional filtering core device after existing detection method
Substantially invalid problem.
In one embodiment, oil pump assy comprehensive detection system 100 further includes data collecting plate card and programmable power supply
(not shown), programmable power supply connect from oil pump assy and provide for oil pump assy different voltages, and acquisition is applied for card total with oil pump
At connecting and read corresponding frequency signal under different voltages.Different frequencies is measured in the case of different voltages, is then calculated
Corresponding revolving speed out.
With continued reference to Fig. 1, oil pump assy comprehensive detection system 100 further includes locating piece 11, and locating piece 11 is installed on pedestal
It is positioned on 10 and to oil pump assy 200.A kind of embodiment of locating piece 11 is described referring to Fig. 2.
As shown in Fig. 2, locating piece 11 includes mutually independent first part 112 and second part 111.Wherein, first
Divide 112 there is rectangular profile, the side of second part 111 is provided with V-arrangement mounting groove 1114, and oil pump assy 200 is fixed on first
Between part 112 and second part 111, and it is located in V-arrangement mounting groove 1114.
With continued reference to Fig. 2, the two sides of V-arrangement mounting groove 1114 are respectively formed 1,111 second extension 1112 of the first extension,
The width of first extension 1111 gradually increases upwards along V-arrangement mounting groove 1114, and the width of the second extension 1112 is installed along V-arrangement
Slot 1114 gradually increases downwards, it can be seen from the figure that the width of 1112 bottom end of the second extension is significantly greater than the first extension
The width on 1111 tops.The most obvious benefit of such setting is that the orientation range of locating piece 11 can be made big, can be with
Adapt to the different oil drums of different oil pump assys.
Referring back to Fig. 1, in the present embodiment, float lifting apparatus 40 is L shaped plate, and the vertical portion 41 of L shaped plate is fixed
It is installed in electric cylinders 20, L shaped plate horizontal component 42 protrudes into the lower section of float 50.L shaped plate horizontal component 42 is equipped with along horizontal component
The groove 421 of extension.The cooperation of float 50 is placed on L groove 421.
First oil pump assy 200 to be detected is installed on pedestal 10 when detection, and with 11 oil pump assys 200 of locating piece
It fixes.Then plug is inserted into oil pump outlet, energization allows motor to rotate, and detects resistance of the float at bottom.So
Lifting tooling work afterwards, electric cylinders 20 drive float lifting apparatus 40 to rise, when the horizontal component 42 of lifting apparatus 40 touches oil
When the float 50 of pump liquid level sensor, float is lifted into simulation liquid level and is increased.
The lifting of float 50 causes the resistance value of liquid level sensor to change, and electrical resistance collection device carries out the resistance value of variation
Sampling, sample frequency are 100 times/second to 3000 times/second.
Servo motor 30 feeds back the position of float lifting apparatus 40 namely the position of float 50, thus by the position of float 50
It sets and is mapped with the resistance value of variation, complete continuity test.In the detection process, electric cylinders 20 carry out uniform motion, and electricity
The resistance of float sensor when resistance collector acquisition float lifting apparatus 40 is located at bottom and the top.
With it is existing be artificial detection detection compared to (liquid surface lifting being simulated in float lifting with hand, and only surveys several positions
The correspondence resistance value set, by sampling to determine whether qualified), float sensor detection method of the invention has continuity good,
Sampling is continuous within the scope of floats, is not in that the case where defect point leads to erroneous judgement is just skipped in detection position；Essence
Degree is high, due to being that electric cylinders at the uniform velocity go up and downs and position is fed back by servo motor, position and resistance value correspondence height.Artificial detection position
Error is big, and resistance value correspondence is with regard to low.Can equally there be erroneous judgement situation；It can achieve 3000 times/second, detection accuracy is higher, substantially
Reach all standing.
To sum up, oil pump assy comprehensive detection system of the invention can be realized simultaneously the liquid level sensor to oil pump assy,
The polarity of motor and the revolving speed of motor carry out comprehensive detection, and comprehensive detection improves production efficiency, due to polarity, electric current, resistance value
Detection all in the same tooling, while being detected, saved than measuring the time of related content respectively.
Presently preferred embodiments of the present invention has already been described in detail above, it is understood that having read of the invention above-mentioned say
After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall within this
Apply for the appended claims limited range.
Claims (10)
1. a kind of oil pump assy comprehensive detection system, which is characterized in that the oil pump assy comprehensive detection system includes pedestal, electricity
Cylinder, servo motor, electrical resistance collection device and float lifting apparatus, oil pump assy to be detected is installed on the pedestal, described
One end of float lifting apparatus is set to below the float of the liquid level sensor of the oil pump assy and contacts with the float, institute
It states the other end of float lifting apparatus and the electric cylinders connect and the float is driven to move under the driving of electric cylinders, the servo
Motor connect with the electric cylinders and feeds back the position of the float lifting apparatus, and the electrical resistance collection device is connect with liquid level sensor
And the resistance of liquid level sensor is acquired, the continuity of liquid level sensor is completed using resistance collected and the corresponding relationship of position
Test.
2. oil pump assy comprehensive detection system according to claim 1, which is characterized in that the oil pump assy comprehensive detection
System further includes polarity sensor, and the polarity sensor is installed on the pedestal and cooperates with the oil pump assy to detect
The motor polarity of the oil pump assy.
3. oil pump assy comprehensive detection system according to claim 1, which is characterized in that the oil pump assy comprehensive detection
System further includes analog input card, and the analog input card connect with the oil pump assy and acquires the commutator friendship of the oil pump assy
For when the voltage pulse signal that generates.
4. oil pump assy comprehensive detection system according to claim 3, which is characterized in that the oil pump assy comprehensive detection
System further includes programmable power supply, and the programmable power supply is connect to provide not for the motor with the motor of the oil pump assy
Same voltage.
5. oil pump assy comprehensive detection system according to claim 1, which is characterized in that the electrical resistance collection device is to described
The resistance of liquid level sensor carries out 100 times per second to 3000 samplings per second.
6. oil pump assy comprehensive detection system according to claim 1, which is characterized in that the electrical resistance collection device acquires institute
State the resistance of float sensor when float lifting apparatus is located at bottom and the top；
In one embodiment, the oil pump assy comprehensive detection system further includes locating piece, and the locating piece is installed on described
It is positioned on pedestal and to the oil pump assy, wherein the locating piece includes mutually independent first part and second
Point, the first part has rectangular profile, and the side of the second part is provided with V-arrangement mounting groove, and oil pump assy is fixed on
Between the first part and second part, and it is located in the V-shaped groove, wherein the bottom of the first part and second part
Portion is additionally provided with magnetic part, and the first part and second part are fixed on the installation of the oil pump assy by the magnetic part
On platform；
In one embodiment, the float lifting apparatus is L shaped plate, and the vertical portion of the L shaped plate is installed on the electric cylinders
On, the L shaped plate horizontal component protrudes into below the float；
In one embodiment, the L shaped plate horizontal component is equipped with the groove extended along horizontal component；
In one embodiment, the oil pump assy comprehensive detection system is arranged to the electric cylinders drive float lifting apparatus
Carry out uniform motion.
7. a kind of oil pump assy liquid level sensor detection method, which is characterized in that utilize oil pump assy as described in claim 1
Comprehensive detection system detects the liquid level sensor of the oil pump assy.
8. oil pump assy liquid level sensor detection method according to claim 7, which is characterized in that the method includes with
Lower step:
Detect resistance of the float at bottom；
Electric cylinders drive the lifting of float lifting apparatus；
Float lifting apparatus increases the float lifting simulation liquid level of the liquid level sensor；
Electrical resistance collection device samples the resistance value of the liquid level sensor；
The position of the servo motor feedback float lifting apparatus；
The position of float is mapped with the resistance value of detection, completes follow-on test；
In one embodiment, the electrical resistance collection device carries out the resistance of liquid level sensor 100 times per second to per second 3000
Secondary sampling.
9. oil pump assy liquid level sensor detection method according to claim 7, which is characterized in that the method also includes
The rotor motion in the motor of the oil pump assy is detected using polarity sensor, to directly detect the positive and negative rotation of motor.
10. oil pump assy liquid level sensor detection method according to claim 7, which is characterized in that the method is also wrapped
The voltage pulse signal generated when including the commutator alternating for capturing oil pump assy finds out the motor turn of the oil pump assy to calculate
Speed；
Exist in one embodiment, the oil pump assy comprehensive detection system includes analog input card and programmable power supply, the acquisition
The voltage pulse signal that board connect with the oil pump assy and generates when capturing the commutator alternating of oil pump assy, it is described to compile
Journey power supply is connected from the oil pump assy to provide different voltages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439539.XA CN110057568A (en) | 2019-05-24 | 2019-05-24 | Oil pump assy comprehensive detection system and liquid level sensor detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439539.XA CN110057568A (en) | 2019-05-24 | 2019-05-24 | Oil pump assy comprehensive detection system and liquid level sensor detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110057568A true CN110057568A (en) | 2019-07-26 |
Family
ID=67324404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910439539.XA Pending CN110057568A (en) | 2019-05-24 | 2019-05-24 | Oil pump assy comprehensive detection system and liquid level sensor detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110057568A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093003A (en) * | 2021-03-11 | 2021-07-09 | 深圳市创想三维科技有限公司 | Motor detection method and device, printer and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090048824A (en) * | 2007-11-12 | 2009-05-15 | 부산대학교 산학협력단 | Detector for float type water level sensor |
| CN106640466A (en) * | 2016-09-29 | 2017-05-10 | 联合汽车电子有限公司 | Revolving speed measuring system for electronic fuel pump and speed measuring method thereof |
| CN206530475U (en) * | 2017-03-02 | 2017-09-29 | 温州汇润机电有限公司 | A kind of test device for fuel oil pump assembly |
| CN109211362A (en) * | 2017-07-03 | 2019-01-15 | 合肥锦佳汽车零部件有限公司 | A kind of detection platform and detection method for fuel pump liquid level sensor assembly |
| CN210108694U (en) * | 2019-05-24 | 2020-02-21 | 上海烁范自动化设备有限公司 | Oil pump assembly comprehensive detection system |
-
2019
- 2019-05-24 CN CN201910439539.XA patent/CN110057568A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090048824A (en) * | 2007-11-12 | 2009-05-15 | 부산대학교 산학협력단 | Detector for float type water level sensor |
| CN106640466A (en) * | 2016-09-29 | 2017-05-10 | 联合汽车电子有限公司 | Revolving speed measuring system for electronic fuel pump and speed measuring method thereof |
| CN206530475U (en) * | 2017-03-02 | 2017-09-29 | 温州汇润机电有限公司 | A kind of test device for fuel oil pump assembly |
| CN109211362A (en) * | 2017-07-03 | 2019-01-15 | 合肥锦佳汽车零部件有限公司 | A kind of detection platform and detection method for fuel pump liquid level sensor assembly |
| CN210108694U (en) * | 2019-05-24 | 2020-02-21 | 上海烁范自动化设备有限公司 | Oil pump assembly comprehensive detection system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093003A (en) * | 2021-03-11 | 2021-07-09 | 深圳市创想三维科技有限公司 | Motor detection method and device, printer and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201247077Y (en) | Calibration instrument for testing linear sensor | |
| CN111487523B (en) | Hall sensor testing method for carrying IC tester | |
| CN110456733B (en) | Portable numerical control equipment comprehensive performance detection and analysis platform and analysis method | |
| CN110207994A (en) | A kind of initial port timing automatic measurement system of engine | |
| CN110057568A (en) | Oil pump assy comprehensive detection system and liquid level sensor detection method | |
| CN202676254U (en) | Quality test device of LABVIEW-based electric resistance type oil level sensor | |
| CN1510426A (en) | Electromagnetic interference diagnostic method and system | |
| CN103712561A (en) | Testing method and testing device of cooling assembly with jump testing function and rotating-speed testing function | |
| CN203798592U (en) | Filter scanning leak detection device | |
| CN210108694U (en) | Oil pump assembly comprehensive detection system | |
| CN106526327B (en) | DCR micro-resistance automatic measuring machine | |
| CN204963822U (en) | Part size automatic checkout device | |
| CN209131603U (en) | Double-deck glue road detection device based on laser three-D profile measurer | |
| CN204347201U (en) | Circuit board testing frock | |
| CN104408997B (en) | Novel static electric field drawing apparatus | |
| CN106770690B (en) | Ultrasonic scanning microscope imaging resolution characteristic calibration device and calibration method | |
| CN104677462A (en) | Self-adapted non-immersion type liquid level detection device and detection method | |
| CN205642270U (en) | Experimental device for displacement sensor | |
| CN209471190U (en) | BMS plate test fixture | |
| CN204177376U (en) | A kind of electromagnetic block flatness checking device | |
| CN209117134U (en) | A kind of easy water-level float detection device | |
| CN205262715U (en) | Rearview -mirror torque detection device | |
| CN205825938U (en) | Connection rod of automobile engine big stomidium Pore Diameter Detection equipment | |
| CN220525564U (en) | Coating hardness detection device | |
| CN209820588U (en) | Positioning device for testing reed switch sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 215537 Building 5, No. 6, Dongzhou Road, Bixi Street, Changshu City, Suzhou City, Jiangsu Province Applicant after: Jiangsu Shuofan Intelligent Equipment Co.,Ltd. Address before: 201206 1F-2F, Building 1, No. 1239, Huadong Road, Pudong New Area, Shanghai Applicant before: SHANGHAI SHUOFAN AUTOMATION EQUIPMENT Co.,Ltd. |