CN104236443B - A kind of device for detecting motor valve valve opening distance - Google Patents
A kind of device for detecting motor valve valve opening distance Download PDFInfo
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- CN104236443B CN104236443B CN201410531781.7A CN201410531781A CN104236443B CN 104236443 B CN104236443 B CN 104236443B CN 201410531781 A CN201410531781 A CN 201410531781A CN 104236443 B CN104236443 B CN 104236443B
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- 238000001514 detection method Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000009711 regulatory function Effects 0.000 claims description 3
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- 238000010586 diagram Methods 0.000 description 14
- 230000005611 electricity Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
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- 230000033228 biological regulation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The present invention discloses a kind of device for detecting motor valve valve opening distance.Described device includes：Cabinet, motor valve state control circuit, displacement transducer, computer, test result display unit；Cabinet top layer is provided with multiple motor valve standing grooves；The output end of motor valve state control circuit is located in standing groove；The induction end of displacement transducer is connected with the closure member of motor valve；There is data wire between institute's displacement sensors and the computer；Computer parses to the displacement of closure member in the displacement information that receives；By displacement compared with pre-determined distance；The input of test result display unit is connected with the output end of computer, when comparative result be more than or equal to when, show that the valve opening distance on motor valve detects qualified information, when comparative result be less than when, show that the valve opening distance on motor valve detects unqualified information.Using the device of the present invention, it is possible to achieve the automatic test for motor valve valve opening distance, improve testing efficiency.
Description
Technical field
The present invention relates to motor valve detection field, more particularly to a kind of device for detecting motor valve valve opening distance.
Background technology
Motor valve is the high-end product in Self controlling valve.It can not only realize on-off action, can also realize that valve position is adjusted
Save function.
Valve position regulatory function is to be adjusted by the valve opening distance for motor valve to realize.Specifically, the application
In motor valve, be by motor driven closure member carry out move up and down so as to controlled motor valve opening and closing.Work as electricity
When machine valve is horizontal positioned, it is raised if turned off part, is moved to top, then the valve opening distance of the motor valve reaches maximum, single
Maximum can also be reached by the volume of the medium of the motor valve in the time of position；It is depressed, is moved to most lower if turned off part
End, then the motor valve is closed.Under normal circumstances, in the motor valve being closed, medium can not pass through the electricity
Machine valve is circulated.
In motor valve manufacturing, the motor valve product just produced is, it is necessary to carry out valve opening distance detection.Valve opening away from
The motor valve of clutch lattice, it is only up-to-standard product.
In the prior art, the method that valve opening distance detection is carried out to motor valve is mainly that staff is by motor valve regulation
To fully open state, then pass through the valve opening distance of the kind of calliper motor valve.
But the method for detection motor valve valve opening distance of the prior art, directly passed through by then passing through staff
Slide calliper rule are measured to the valve opening distance of motor valve, then by being visually directly read out to the numerical value on slide calliper rule, naked eyes are read
Numerical value error in itself be present, and when operating between it is longer when, staff can produce fatigue, measure the accuracy of operation
It can reduce, error can further increase, and testing efficiency can also decline.
The content of the invention
It is an object of the invention to provide a kind of device of testing of electric motors valve valve opening distance, it is possible to achieve for motor valve valve opening
The automatic test of distance, the method with the prior art, manually being tested are compared, and have higher testing efficiency, and survey
Test result is more stable.
To achieve the above object, the invention provides following scheme：
A kind of device for detecting motor valve valve opening distance, described device include：
Cabinet, motor valve state control circuit, displacement transducer, computer, test result display unit；
The top layer of the cabinet is provided with multiple motor valve standing grooves；The output end position of the motor valve state control circuit
In in the standing groove, by the on off state for exporting electric signal controlled motor valve；
The induction end of institute's displacement sensors is connected with the closure member of the motor valve；Institute's displacement sensors and the meter
There is the data wire for transmitting the displacement information that institute's displacement sensors sense between calculation machine；
The displacement of the closure member of the computer to being represented in institute's displacement information for receiving parses,
Obtain the displacement；By the displacement compared with pre-determined distance, comparative result is obtained；The test result shows
Show that the input of unit is connected with the output end of the computer, when the comparative result be more than or equal to when, show on
The valve opening distance of the motor valve detects qualified information, when the comparative result be less than when, show on the motor valve
Valve opening distance detects unqualified information.
Optionally, the test result display unit is specially LED light, and the LED light is arranged on the cabinet
The top layer of body, there is one-to-one relation with the standing groove；
The LED light can at least show the first color and the second color；
When the comparative result be more than or equal to when, the LED light shows first color；
When the comparative result be less than when, the LED light shows second color.
Optionally, test result display unit is specially display；
When the comparative result be more than or equal to when, the display shows the electricity in a manner of figure or word
The valve opening distance of machine valve detects qualified information；
When the comparative result be less than when, shown in a manner of figure or word the motor valve valve opening distance inspection
Survey unqualified information.
Optionally, the number of the standing groove is 6.
Optionally, the number of the LED light is 6.
Optionally, the LED light can show green and red；
When the comparative result be more than or equal to when, the LED light shows the green；
When the comparative result be less than when, the LED light shows the red.
Optionally, the display is the display of desktop computer.
Optionally, institute's displacement sensors are potentiometric displacement transducer or magnetostrictive displacement sensor.
According to specific embodiment provided by the invention, the invention discloses following technique effect：
The device of the detection motor valve valve opening distance of the embodiment of the present invention, by motor valve state control circuit by electricity to be measured
Machine valve regulation is opening, and the displacement information of the closure member by displacement transducer induction machine valve, is known by computer
The displacement of the closure member represented in other institute's displacement information, and the displacement is compared with pre-determined distance
Compared with, when the comparative result be more than or equal to when, show that the valve opening distance on the motor valve detects qualified information, work as institute
State comparative result be less than when, show that the valve opening distance on the motor valve detects unqualified information, it is possible to achieve for electricity
The automatic test of machine valve valve opening distance, testing efficiency is improved, also, because the displacement that closure member is sensed by displacement transducer is believed
Cease, then the displacement of the closure member is identified by computer, when can also avoid manual testing, staff produces fatigue
Caused error increase.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram of the device embodiment 1 of the detection motor valve valve opening distance of the present invention；
Fig. 2 is the relative position schematic diagram of motor valve and camera in the embodiment of the present invention；
Fig. 3 is the overall structure diagram of the device embodiment 2 of the detection motor valve valve opening distance of the present invention；
Fig. 4 is the overall structure diagram of the device embodiment 3 of the detection motor valve valve opening distance of the present invention；
Fig. 5 is the overall structure diagram of the device embodiment 4 of the detection motor valve valve opening distance of the present invention；
Fig. 6 is the overall structure diagram of the device embodiment 5 of the detection motor valve valve opening distance of the present invention；
Fig. 7 is the overall structure diagram of the device embodiment 6 of the detection motor valve valve opening distance of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Fig. 1 is the overall structure diagram of the device embodiment 1 of the detection motor valve valve opening distance of the present invention.Such as Fig. 1 institutes
Show, the device can include：
Cabinet 101, motor valve state control circuit 102, displacement transducer 103, test result display unit 104, and
Computer 105.
Fig. 2 is the relative position schematic diagram of motor valve and displacement transducer in the embodiment of the present invention.
As depicted in figs. 1 and 2, the top layer of the cabinet 101 is provided with multiple motor valve standing grooves 1011；The motor valve
The output end of state control circuit 1021 is located in the standing groove 1011, by the switch for exporting electric signal controlled motor valve 1
State；
The induction end of institute's displacement sensors 103 is connected with the closure member 10 of the motor valve 1；Institute's displacement sensors
There is the data wire for transmitting the displacement information that institute's displacement sensors sense between 103 and the computer 105；
Specifically, institute's displacement sensors 103 can be potentiometric displacement transducer or magnetostrictive displacement sensor.
Potentiometric displacement transducer, mechanical displacement is converted into by linear therewith or arbitrary function by potentiometer element
The resistance or voltage output of relation.To realize the potentiometer that designs of measurement displacement purpose, change in displacement and resistance variations it
Between have a determination relation.The movable brush of potentiometric displacement transducer is connected with testee.The displacement of object causes electricity
The resistance variations of position device mobile terminal.The variable quantity of resistance reflects the value of displacement, and the increase of resistance still reduces, indicated
The direction of displacement.
Magnetostrictive displacement sensor, it is to intersect generation one using magnetostriction principle, by two different magnetic fields to answer
Become pulse signal to accurately measure position.Measuring cell is a waveguide, and the sensing element in waveguide is by special
Made of magnetostriction materials.Measurement process is to produce current impulse in the electronic room by sensor, and the current impulse is in waveguide
Transmit in pipe, so as to produce a circumferential magnetic field outside waveguide, when the magnetic field and be enclosed on waveguide as change in location
When magnetic field caused by movable magnet ring is intersected, a mechanical wave impulse of strain can be produced due to magnetostrictive effect, in waveguide
Signal, this is strained mechanical wave pulse signal and transmitted with fixed speed of sound, and quickly detected by electronic room.Due to this
Distance between transmission time and movable magnet ring and electronic room of the individual mechanical wave pulse signal of strain in waveguide is directly proportional, leads to
Cross time of measuring, it is possible to highly precisely determine this distance.
The closure member 10 is the part that can be moved up and down in the magnetic valve 1.In the second best in quality magnetic valve,
When the closure member 10 is moved to the bottom of the magnetic valve 1, the magnetic valve 1 is closed；When the closing
When part 10 is moved to the top of the magnetic valve 1, the magnetic valve 1 is in fully open state.
The displacement of the closure member 10 of the computer 105 to being represented in institute's displacement information for receiving is carried out
Parsing, obtains the displacement；By the displacement compared with pre-determined distance, comparative result is obtained；The test
As a result the input of display unit 104 is connected with the output end of the computer 105, when the comparative result be more than or equal to
When, show that the valve opening distance on the motor valve detects qualified information, when the comparative result be less than when, show on institute
The valve opening distance for stating motor valve detects unqualified information.
The device of the detection motor valve valve opening distance of the embodiment of the present invention, by motor valve state control circuit by electricity to be measured
Machine valve regulation is opening, and the displacement information of the closure member by displacement transducer induction machine valve, is known by computer
The displacement of the closure member represented in other institute's displacement information, and the displacement is compared with pre-determined distance
Compared with, when the comparative result be more than or equal to when, show that the valve opening distance on the motor valve detects qualified information, work as institute
State comparative result be less than when, show that the valve opening distance on the motor valve detects unqualified information, it is possible to achieve for electricity
The automatic test of machine valve valve opening distance, testing efficiency is improved, also, because the displacement that closure member is sensed by displacement transducer is believed
Cease, then the displacement of the closure member is identified by computer, when can also avoid manual testing, staff produces fatigue
Caused error increase.
Fig. 3 is the overall structure diagram of the device embodiment 2 of the detection motor valve valve opening distance of the present invention.Such as Fig. 3 institutes
Show, compared with Example 1, in the present embodiment, test result display unit is specially LED light 1041.The LED light
The top layer of the cabinet is arranged on, there is one-to-one relation with the standing groove
In the present embodiment, the annexation and operation principle of the element in device are substantially the same manner as Example 1.I.e.：
The top layer of the cabinet 101 is provided with multiple motor valve standing grooves 1011；The motor valve state control circuit
1021 output end is located in the standing groove 1011, by the on off state for exporting electric signal controlled motor valve 1；
The induction end of institute's displacement sensors 103 is connected with the closure member 10 of the motor valve 1；Institute's displacement sensors
There is the data wire for transmitting the displacement information that institute's displacement sensors sense between 103 and the computer 105；
The displacement of the closure member 10 of the computer 105 to being represented in institute's displacement information for receiving is carried out
Parsing, obtains the displacement；By the displacement compared with pre-determined distance, comparative result is obtained.
The input of the LED light 1041 is connected with the output end of the computer 105, when the comparative result is
More than or equal to when, show the first color, when the comparative result be less than when, show the second color.
Specifically, in Fig. 3, the number of the LED light 1041 can be 6, the number of the standing groove 1011
For 6.So once at most the sealing property of 6 motor valves can be tested simultaneously.One LED light is used to pass through
Light different colors and indicate whether the motor valve in a standing groove is qualified.In practical application, when the valve opening of the motor valve
Apart from it is qualified when, the LED light can show green；When the motor valve valve opening apart from it is unqualified when, the LED refers to
Show that lamp can show red.
Fig. 4 is the overall structure diagram of the device embodiment 3 of the detection motor valve valve opening distance of the present invention.Such as Fig. 4 institutes
Show, compared with Example 1, in the present embodiment, test result display unit is specially display 1042.The display can connect
The signal that computer is sent is received, and qualified information is detected whether on the valve opening distance of the motor valve according to signal progress
Prompting.
In the present embodiment, the annexation and operation principle of the element in device are substantially the same manner as Example 1.I.e.：
The top layer of the cabinet 101 is provided with multiple motor valve standing grooves 1011；The motor valve state control circuit
1021 output end is located in the standing groove 1011, by the on off state for exporting electric signal controlled motor valve 1；
The induction end of institute's displacement sensors 103 is connected with the closure member 10 of the motor valve 1；Institute's displacement sensors
There is the data wire for transmitting the displacement information that institute's displacement sensors sense between 103 and the computer 105；
The displacement of the closure member 10 of the computer 105 to being represented in institute's displacement information for receiving is carried out
Parsing, obtains the displacement；By the displacement compared with pre-determined distance, comparative result is obtained.
The input of display 1042 is connected with the output end of the computer 105, when the comparative result to be more than or
Equal to when, show that the valve opening distance of the motor valve detects qualified information in a manner of figure or word；Relatively tied when described
Fruit be less than when, show that the valve opening distance of the motor valve detects unqualified information in a manner of figure or word.
Specifically, when test result is qualified, " qualified " printed words can be shown on a display screen, or on a display screen
Display is to hooking pattern；When test result is unqualified, " unqualified " printed words can be shown on a display screen, or in display screen
Upper display fork pattern etc..
It should also be noted that, in the present embodiment, the computer 105 can remotely be connected with the display 1042
's.I.e. in the present embodiment, the long-range computer for comparing ability with recognition capability and numerical value can be utilized to realize this reality
The image recognition in example and numerical value comparing function are applied, improves the utilization rate for remote computer, reduces system cost.
Fig. 5 is the overall structure diagram of the device embodiment 4 of the detection motor valve valve opening distance of the present invention.Such as Fig. 5 institutes
Show, compared with Example 1, in the present embodiment, test result display unit is specially the display 1043 of desktop computer.It is described desk-top
The display 1043 of machine can be the 105 self-contained display of computer.The display 1043 of desktop computer, which receives, to be calculated
The signal that machine 105 is sent, and detect whether that qualified information carries on the valve opening distance of the motor valve according to signal progress
Show.Using 105 self-contained display of computer, it may not be necessary to again using other display, so as to reduce system cost.
Using the display of desktop computer, the store function of desktop computer can be utilized, test result is stored；Can be with
Using the control function of desktop computer, test process is controlled.
In the present embodiment, the annexation and operation principle of the element in device are substantially the same manner as Example 1.I.e.：
The top layer of the cabinet 101 is provided with multiple motor valve standing grooves 1011；The motor valve state control circuit
1021 output end is located in the standing groove 1011, by the on off state for exporting electric signal controlled motor valve 1；
The induction end of institute's displacement sensors 103 is connected with the closure member 10 of the motor valve 1；Institute's displacement sensors
There is the data wire for transmitting the displacement information that institute's displacement sensors sense between 103 and the computer 105；
The displacement of the closure member 10 of the computer 105 to being represented in institute's displacement information for receiving is carried out
Parsing, obtains the displacement；By the displacement compared with pre-determined distance, comparative result is obtained.
The input of the display 1043 of desktop computer is connected with the output end of the computer 105, when the comparative result
For more than or equal to when, show that the valve opening distance of the motor valve detects qualified information in a manner of figure or word；Work as institute
State comparative result be less than when, show that the valve opening distance of the motor valve detects unqualified letter in a manner of figure or word
Breath.
Specifically, when test result is qualified, " qualified " printed words can be shown on a display screen, or on a display screen
Display is to hooking pattern；When test result is unqualified, " unqualified " printed words can be shown on a display screen, or in display screen
Upper display fork pattern etc..
Fig. 6 is the overall structure diagram of the device embodiment 5 of the detection motor valve valve opening distance of the present invention.Such as Fig. 6 institutes
Show, compared with Example 1, in the present embodiment, test result display unit includes LED light 1041 and display simultaneously
1042.The LED light 1041 and display 1042 can receive the signal of the transmission of computer 105, and according to the signal
Carry out detecting whether qualified information alert on the valve opening distance of the motor valve.
In the present embodiment, the annexation and operation principle of the element in device are substantially the same manner as Example 1.I.e.：
The top layer of the cabinet 101 is provided with multiple motor valve standing grooves 1011；The motor valve state control circuit
1021 output end is located in the standing groove 1011, by the on off state for exporting electric signal controlled motor valve 1；
The induction end of institute's displacement sensors 103 is connected with the closure member 10 of the motor valve 1；Institute's displacement sensors
There is the data wire for transmitting the displacement information that institute's displacement sensors sense between 103 and the computer 105；
The displacement of the closure member 10 of the computer 105 to being represented in institute's displacement information for receiving is carried out
Parsing, obtains the displacement；By the displacement compared with pre-determined distance, comparative result is obtained.
The output end phase of the output end of LED light 1041 and the input of display 1042 with the computer 105
Even, when the comparative result be more than or equal to when, LED light 1041 can show the first color, while display 1042
It can show that the valve opening distance of the motor valve detects qualified information in a manner of figure or word；When the comparative result is
Less than when, LED light 1041 can show the second color, and display 1042 can show institute in a manner of figure or word
The valve opening distance for stating motor valve detects unqualified information.
Fig. 7 is the overall structure diagram of the device embodiment 6 of the detection motor valve valve opening distance of the present invention.Such as Fig. 7 institutes
Show, compared with Example 1, in the present embodiment, test result display unit is simultaneously aobvious including LED light 1041 and desktop computer
Show device 1043.The display 1043 of the LED light 1041 and desktop computer can receive the signal of the transmission of computer 105,
And carried out detecting whether qualified information alert on the valve opening distance of the motor valve according to the signal.
In the present embodiment, the annexation and operation principle of the element in device are substantially the same manner as Example 5.Herein not
Repeat again.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the device and its core concept that understand the present invention；Meanwhile for those of ordinary skill in the art, foundation
The thought of the present invention, in specific embodiments and applications there will be changes.In summary, this specification content is not
It is interpreted as limitation of the present invention.
Claims (8)
1. a kind of device for detecting motor valve valve opening distance, motor valve can not only realize on-off action, additionally it is possible to realize valve position
Regulatory function, valve position regulatory function are by the way that realization is adjusted to the valve opening distance of motor valve, it is characterised in that institute
Stating device includes：
Cabinet, motor valve state control circuit, displacement transducer, computer, test result display unit；
The top layer of the cabinet is provided with multiple motor valve standing grooves；The output end of the motor valve state control circuit is located at institute
State in standing groove, by the on off state for exporting electric signal controlled motor valve；
The induction end of institute's displacement sensors is connected with the closure member of the motor valve；Institute's displacement sensors and the computer
Between there is the data wire of displacement information that transmission institute displacement sensors sense；
The displacement of the closure member of the computer to being represented in institute's displacement information for receiving parses, and obtains
The displacement；By the displacement compared with pre-determined distance, comparative result is obtained；The test result display is single
Member input be connected with the output end of the computer, when the comparative result for more than or equal to when, show on described
The valve opening distance of motor valve detects qualified information, when the comparative result be less than when, show the valve opening on the motor valve
Distance detects unqualified information.
2. device according to claim 1, it is characterised in that the test result display unit is specially LED light,
The LED light is arranged on the top layer of the cabinet, has one-to-one relation with the standing groove；
The LED light can at least show the first color and the second color；
When the comparative result be more than or equal to when, the LED light shows first color；
When the comparative result be less than when, the LED light shows second color.
3. device according to claim 1, it is characterised in that test result display unit is specially display；
When the comparative result be more than or equal to when, the display shows the motor valve in a manner of figure or word
Valve opening distance detect qualified information；
When the comparative result be less than when, shown in a manner of figure or word the motor valve valve opening distance detection not
Qualified information.
4. device according to claim 1, it is characterised in that the number of the standing groove is 6.
5. device according to claim 2, it is characterised in that the number of the LED light is 6.
6. device according to claim 2, it is characterised in that the LED light can show green and red；
When the comparative result be more than or equal to when, the LED light shows the green；
When the comparative result be less than when, the LED light shows the red.
7. device according to claim 3, it is characterised in that the display is the display of desktop computer.
8. device according to claim 1, it is characterised in that institute's displacement sensors be potentiometric displacement transducer or
Magnetostrictive displacement sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531781.7A CN104236443B (en) | 2014-10-10 | 2014-10-10 | A kind of device for detecting motor valve valve opening distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531781.7A CN104236443B (en) | 2014-10-10 | 2014-10-10 | A kind of device for detecting motor valve valve opening distance |
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| Publication Number | Publication Date |
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| CN104236443A CN104236443A (en) | 2014-12-24 |
| CN104236443B true CN104236443B (en) | 2018-01-09 |
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| CN201410531781.7A Expired - Fee Related CN104236443B (en) | 2014-10-10 | 2014-10-10 | A kind of device for detecting motor valve valve opening distance |
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| CN114545124B (en) * | 2022-02-24 | 2024-07-30 | 长虹美菱股份有限公司 | Electric air door detection device and method |
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| CN103743562B (en) * | 2014-01-26 | 2015-12-02 | 武汉理工大学 | A kind of electromagnetic valve test platform |
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| EP0269375A2 (en) * | 1986-11-24 | 1988-06-01 | Westinghouse Electric Corporation | Variable linear motion cycle monitoring device |
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| CN102182864A (en) * | 2011-04-22 | 2011-09-14 | 合肥通用机械研究院 | Valve stroke testing system |
| CN202469144U (en) * | 2012-03-27 | 2012-10-03 | 重庆杰诚逊自动化仪表有限公司 | Valve rod stroke measurement control device of electric actuator |
| CN103216661A (en) * | 2013-03-29 | 2013-07-24 | 北京控制工程研究所 | Non-contact debugging and measuring method of electric valve |
| CN204142179U (en) * | 2014-10-10 | 2015-02-04 | 慈溪市三洋电子有限公司 | A kind of device detecting motor valve valve opening distance |
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| CN104236443A (en) | 2014-12-24 |
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