CN104236467A - Device for detecting valve opening distances of motor valves - Google Patents
Device for detecting valve opening distances of motor valves Download PDFInfo
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- CN104236467A CN104236467A CN201410531969.1A CN201410531969A CN104236467A CN 104236467 A CN104236467 A CN 104236467A CN 201410531969 A CN201410531969 A CN 201410531969A CN 104236467 A CN104236467 A CN 104236467A
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- motor valve
- valve
- valve opening
- camera
- led light
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Abstract
The invention discloses a device for detecting valve opening distances of motor valves. The device comprises a cabinet, a motor valve state control circuit, a camera, a computer and a test result display unit. A plurality of motor valve accommodating grooves are formed in a top layer of the cabinet; output ends of the motor valve state control circuit are positioned in the accommodating grooves; a lens of the camera can face a closing member of each motor valve; a data line for transmitting image information acquired by the camera is arranged between the camera and the computer; the computer identifies images in received image information of the displacement distance of each closing member; the displacement distances are compared with preset distances; an input end of the test result display unit is connected with an output end of the computer, valve opening distance detection qualification information about the motor valves can be displayed by the test result display unit when comparison results indicate that the displacement distances of the closing members are larger or equal to the preset distances, and valve opening distance detection disqualification information about the motor valves can be displayed by the test result display unit when the comparison results indicate that the displacement distances of the closing members are smaller than the preset distances. The device has the advantages that the valve opening distances of the motor valves can be automatically tested by the aid of the device, and accordingly the test efficiency can be improved.
Description
Technical field
The present invention relates to motor valve detection field, particularly relate to a kind of device detecting motor valve valve opening distance.
Background technology
Motor valve is the high-end product in Self controlling valve.It not only can realize on-off action, can also realize valve position regulatory function.
Valve position regulatory function is by carrying out regulating realizing for the valve opening distance of motor valve.Concrete, the motor valve in the application is undertaken moving up and down by driven by motor closing member thus controls the opening and closing of motor valve.When motor valve horizontal positioned, if closing member is raised, move to top, then the valve opening distance of this motor valve reaches maximum, also can reach maximal value in the unit interval by the volume of the medium of this motor valve; If closing member is depressed, move to bottom, then this motor valve is in closed condition.Under normal circumstances, be in the motor valve of closed condition, medium cannot be circulated by this motor valve.
In motor valve manufacturing, the motor valve product just produced, needs to carry out valve opening distance and detects.Valve opening, apart from qualified motor valve, is only up-to-standard product.
In prior art, carry out the method for valve opening distance detection mainly to motor valve, motor valve is adjusted to complete opening by staff, then by the valve opening distance of this motor valve of kind of calliper.
But, the method of detection motor valve valve opening distance of the prior art, owing to being directly measured by the valve opening distance of slide calliper rule to motor valve by staff, directly the numerical value on slide calliper rule is read by naked eyes again, naked eyes read numerical value itself there is error, and when operating between longer time, staff can produce fatigue, the accuracy measuring operation also can reduce, and error can increase further, and testing efficiency also can decline.
Summary of the invention
The object of this invention is to provide a kind of device of testing of electric motors valve valve opening distance, can realize the automatic test for motor valve valve opening distance, with prior art, the method for manually carrying out testing is compared, there is higher testing efficiency, and test result is more stable.
For achieving the above object, the invention provides following scheme:
Detect a device for motor valve valve opening distance, described device comprises:
Cabinet, motor valve state control circuit, camera, computing machine, test result display unit;
The top layer of described cabinet is provided with multiple motor valve standing groove; The output terminal of described motor valve state control circuit is positioned at described standing groove, controls the on off state of motor valve by exporting electric signal;
The camera lens of described camera is towards the closing member of described motor valve; There is between described camera and described computing machine the data line transmitting the image information that described camera gets;
The displacement of described computing machine to closing member described in the described image information received carries out image recognition, identifies described displacement; Described displacement and predeterminable range are compared, obtains comparative result; The input end of described test result display unit is connected with the output terminal of described computing machine, when described comparative result is for being more than or equal to, the valve opening distance shown about described motor valve detects qualified information, when described comparative result is for being less than, the valve opening distance shown about described motor valve detects defective information.
Optionally, described test result display unit is specially LED light, and described LED light is arranged on the top layer of described cabinet, has relation one to one with described standing groove;
Described LED light at least can show the first color and the second color;
When described comparative result is for being more than or equal to, described first color of described LED light display;
When described comparative result is for being less than, described second color of described LED light display.
Optionally, test result display unit is specially display;
When described comparative result is for being more than or equal to, described display shows the valve opening of described motor valve apart from detecting qualified information in the mode of figure or word;
When described comparative result is for being less than, show the valve opening of described motor valve apart from detecting defective information in the mode of figure or word.
Optionally, the number of described standing groove is 6.
Optionally, the number of described LED light is 6.
Optionally, described LED light can show green and redness;
When described comparative result is for being more than or equal to, described LED light shows described green;
When described comparative result is for being less than, described LED light shows described redness.
Optionally, described display is the display of desktop computer.
Optionally, described camera is arranged in described motor valve standing groove.
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, motor valve to be measured is adjusted to opening, and the image of the closing member of motor valve is obtained by camera, by the displacement of closing member in image described in computer recognizing, and described displacement and predeterminable range are compared, when described comparative result is for being more than or equal to, the valve opening distance shown about described motor valve detects qualified information, when described comparative result is for being less than, the valve opening distance shown about described motor valve detects defective information, the automatic test for motor valve valve opening distance can be realized, improve testing efficiency, and, owing to being obtained the image of closing member by camera, again by the displacement of closing member in image described in computer recognizing, when can also avoid manual testing, staff produces the error increase that fatigue causes.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the one-piece construction schematic diagram of the device embodiment 1 of 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 one-piece construction schematic diagram of the device embodiment 2 of detection motor valve valve opening distance of the present invention;
Fig. 4 is the one-piece construction schematic diagram of the device embodiment 3 of detection motor valve valve opening distance of the present invention;
Fig. 5 is the one-piece construction schematic diagram of the device embodiment 4 of detection motor valve valve opening distance of the present invention;
Fig. 6 is the one-piece construction schematic diagram of the device embodiment 5 of detection motor valve valve opening distance of the present invention;
Fig. 7 is the one-piece construction schematic diagram of the device embodiment 6 of 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, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the one-piece construction schematic diagram of the device embodiment 1 of detection motor valve valve opening distance of the present invention.As shown in Figure 1, this device can comprise:
Cabinet 101, motor valve state control circuit 102, camera 103, test result display unit 104, and computing machine 105.
Fig. 2 is the relative position schematic diagram of motor valve and camera in the embodiment of the present invention.
As depicted in figs. 1 and 2, the top layer of described cabinet 101 is provided with multiple motor valve standing groove 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, controls the on off state of motor valve 1 by exporting electric signal;
The camera lens of described camera 103 is towards the closing member 10 of described motor valve 1; Between described camera 103 and described computing machine 105, there is the data line transmitting the image information that described camera gets;
Concrete, described camera 103 can be arranged in described motor valve standing groove 1011, thus can by the closing member 10 of camera lens towards described motor valve 1.
The displacement of described computing machine 105 to closing member 10 described in the described image information received carries out image recognition, identifies described displacement; Described displacement and predeterminable range are compared, obtains comparative result; The input end of described test result display unit 104 is connected with the output terminal of described computing machine 105, when described comparative result is for being more than or equal to, the valve opening distance shown about described motor valve detects qualified information, when described comparative result is for being less than, the valve opening distance shown about described motor valve detects defective information.
The device of the detection motor valve valve opening distance of the embodiment of the present invention, by motor valve state control circuit, motor valve to be measured is adjusted to opening, and the image of the closing member of motor valve is obtained by camera, by the displacement of closing member in image described in computer recognizing, and described displacement and predeterminable range are compared, when described comparative result is for being more than or equal to, the valve opening distance shown about described motor valve detects qualified information, when described comparative result is for being less than, the valve opening distance shown about described motor valve detects defective information, the automatic test for motor valve valve opening distance can be realized, improve testing efficiency, and, owing to being obtained the image of closing member by camera, again by the displacement of closing member in image described in computer recognizing, when can also avoid manual testing, staff produces the error increase that fatigue causes.
Fig. 3 is the one-piece construction schematic diagram of the device embodiment 2 of detection motor valve valve opening distance of the present invention.As shown in Figure 3, compared with embodiment 1, in the present embodiment, test result display unit is specially LED light 1041.Described LED light is arranged on the top layer of described cabinet, has relation one to one with described standing groove
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing groove 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, controls the on off state of motor valve 1 by exporting electric signal;
The camera lens of described camera 103 is towards the closing member 10 of described motor valve 1; Between described camera 103 and described computing machine 105, there is the data line transmitting the image information that described camera gets;
The displacement of described computing machine 105 to closing member 10 described in the described image information received carries out image recognition, identifies described displacement; Described displacement and predeterminable range are compared, obtains comparative result.
The input end of described LED light 1041 is connected with the output terminal of described computing machine 105, when described comparative result is for being more than or equal to, shows the first color, when described comparative result is for being less than, shows the second color.
Concrete, in Fig. 3, the number of described LED light 1041 can be 6, and the number of described standing groove 1011 is also 6.So once can test the sealing property of 6 motor valves at most simultaneously.Whether a LED light is used for indicating the motor valve in a standing groove qualified by lighting different colors.In practical application, when the valve opening of described motor valve is apart from time qualified, described LED light can show green; When the valve opening of described motor valve is apart from time defective, described LED light can show redness.
Fig. 4 is the one-piece construction schematic diagram of the device embodiment 3 of detection motor valve valve opening distance of the present invention.As shown in Figure 4, compared with embodiment 1, in the present embodiment, test result display unit is specially display 1042.Whether qualified described display can the signal that sends of receiving computer, and carry out detecting information prompting about the valve opening distance of described motor valve according to this signal.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing groove 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, controls the on off state of motor valve 1 by exporting electric signal;
The camera lens of described camera 103 is towards the closing member 10 of described motor valve 1; Between described camera 103 and described computing machine 105, there is the data line transmitting the image information that described camera gets;
The displacement of described computing machine 105 to closing member 10 described in the described image information received carries out image recognition, identifies described displacement; Described displacement and predeterminable range are compared, obtains comparative result.
The input end of display 1042 is connected with the output terminal of described computing machine 105, when described comparative result is for being more than or equal to, shows the valve opening of described motor valve apart from detecting qualified information in the mode of figure or word; When described comparative result is for being less than, show the valve opening of described motor valve apart from detecting defective information in the mode of figure or word.
Concrete, when test result is qualified, " qualified " printed words can be shown on a display screen, or show hook pattern on a display screen; When test result is defective, " defective " printed words can be shown on a display screen, or show fork pattern etc. on a display screen.
Also it should be noted that, in the present embodiment, described computing machine 105 can long-rangely be connected with described display 1042.Namely, in the present embodiment, the long-range computing machine with recognition capability and numerical value compare facility can be utilized to realize image recognition in the present embodiment and numerical value comparing function, improve the utilization factor for remote computer, reduce system cost.
Fig. 5 is the one-piece construction schematic diagram of the device embodiment 4 of detection motor valve valve opening distance of the present invention.As shown in Figure 5, compared with embodiment 1, in the present embodiment, test result display unit is specially the display 1043 of desktop computer.The display 1043 of described desktop computer can be the self-contained display of described computing machine 105.The signal of display 1043 receiving computer 105 transmission of desktop computer, and carry out detecting whether qualified information is pointed out about the valve opening distance of described motor valve according to this signal.Adopt the self-contained display of computing machine 105, other display can be adopted again, thus reduce system cost.
Adopt the display of desktop computer, the memory function of desktop computer can be utilized, test result is stored; The controlling functions of desktop computer can also be utilized, test process is controlled.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing groove 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, controls the on off state of motor valve 1 by exporting electric signal;
The camera lens of described camera 103 is towards the closing member 10 of described motor valve 1; Between described camera 103 and described computing machine 105, there is the data line transmitting the image information that described camera gets;
The displacement of described computing machine 105 to closing member 10 described in the described image information received carries out image recognition, identifies described displacement; Described displacement and predeterminable range are compared, obtains comparative result.
The input end of the display 1043 of desktop computer is connected with the output terminal of described computing machine 105, when described comparative result is for being more than or equal to, shows the valve opening of described motor valve apart from detecting qualified information in the mode of figure or word; When described comparative result is for being less than, show the valve opening of described motor valve apart from detecting defective information in the mode of figure or word.
Concrete, when test result is qualified, " qualified " printed words can be shown on a display screen, or show hook pattern on a display screen; When test result is defective, " defective " printed words can be shown on a display screen, or show fork pattern etc. on a display screen.
Fig. 6 is the one-piece construction schematic diagram of the device embodiment 5 of detection motor valve valve opening distance of the present invention.As shown in Figure 6, compared with embodiment 1, in the present embodiment, test result display unit comprises LED light 1041 and display 1042 simultaneously.Whether qualified described LED light 1041 and display 1042 all can the signals that send of receiving computer 105, and carry out detecting information prompting about the valve opening distance of described motor valve according to this signal.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 1.That is:
The top layer of described cabinet 101 is provided with multiple motor valve standing groove 1011; The output terminal of described motor valve state control circuit 1021 is positioned at described standing groove 1011, controls the on off state of motor valve 1 by exporting electric signal;
The camera lens of described camera 103 is towards the closing member 10 of described motor valve 1; Between described camera 103 and described computing machine 105, there is the data line transmitting the image information that described camera gets;
The displacement of described computing machine 105 to closing member 10 described in the described image information received carries out image recognition, identifies described displacement; Described displacement and predeterminable range are compared, obtains comparative result.
The output terminal of LED light 1041 is all connected with the output terminal of described computing machine 105 with the input end of display 1042, when described comparative result is for being more than or equal to, LED light 1041 can show the first color, and display 1042 can show the valve opening of described motor valve apart from detecting qualified information in the mode of figure or word simultaneously; When described comparative result is for being less than, LED light 1041 can show the second color, and display 1042 can show the valve opening of described motor valve apart from detecting defective information in the mode of figure or word.
Fig. 7 is the one-piece construction schematic diagram of the device embodiment 6 of detection motor valve valve opening distance of the present invention.As shown in Figure 7, compared with embodiment 1, in the present embodiment, test result display unit comprises the display 1043 of LED light 1041 and desktop computer simultaneously.Whether qualified the display 1043 of described LED light 1041 and desktop computer all can the signal that sends of receiving computer 105, and carry out detecting information prompting about the valve opening distance of described motor valve according to this signal.
In the present embodiment, annexation and the principle of work of the element in device are substantially the same manner as Example 5.Repeat no more herein.
Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands device of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. detect a device for motor valve valve opening distance, it is characterized in that, described device comprises:
Cabinet, motor valve state control circuit, camera, computing machine, test result display unit;
The top layer of described cabinet is provided with multiple motor valve standing groove; The output terminal of described motor valve state control circuit is positioned at described standing groove, controls the on off state of motor valve by exporting electric signal;
The camera lens of described camera is towards the closing member of described motor valve; There is between described camera and described computing machine the data line transmitting the image information that described camera gets;
The displacement of described computing machine to closing member described in the described image information received carries out image recognition, identifies described displacement; Described displacement and predeterminable range are compared, obtains comparative result; The input end of described test result display unit is connected with the output terminal of described computing machine, when described comparative result is for being more than or equal to, the valve opening distance shown about described motor valve detects qualified information, when described comparative result is for being less than, the valve opening distance shown about described motor valve detects defective information.
2. device according to claim 1, is characterized in that, described test result display unit is specially LED light, and described LED light is arranged on the top layer of described cabinet, has relation one to one with described standing groove;
Described LED light at least can show the first color and the second color;
When described comparative result is for being more than or equal to, described first color of described LED light display;
When described comparative result is for being less than, described second color of described LED light display.
3. device according to claim 1, is characterized in that, test result display unit is specially display;
When described comparative result is for being more than or equal to, described display shows the valve opening of described motor valve apart from detecting qualified information in the mode of figure or word;
When described comparative result is for being less than, show the valve opening of described motor valve apart from detecting defective information in the mode of figure or word.
4. device according to claim 1, is characterized in that, the number of described standing groove is 6.
5. device according to claim 2, is characterized in that, the number of described LED light is 6.
6. device according to claim 2, is characterized in that, described LED light can show green and redness;
When described comparative result is for being more than or equal to, described LED light shows described green;
When described comparative result is for being less than, described LED light shows described redness.
7. device according to claim 3, is characterized in that, described display is the display of desktop computer.
8. device according to claim 1, is characterized in that, described camera is arranged in described motor valve standing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531969.1A CN104236467A (en) | 2014-10-10 | 2014-10-10 | Device for detecting valve opening distances of motor valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531969.1A CN104236467A (en) | 2014-10-10 | 2014-10-10 | Device for detecting valve opening distances of motor valves |
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| CN104236467A true CN104236467A (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410531969.1A Pending CN104236467A (en) | 2014-10-10 | 2014-10-10 | Device for detecting valve opening distances of motor valves |
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Citations (5)
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| JP2005024482A (en) * | 2003-07-01 | 2005-01-27 | Suncall Corp | Measuring device of perpendicularity of spring |
| CN101755159A (en) * | 2007-07-24 | 2010-06-23 | Vat控股公司 | Method for controlling or regulating a vacuum valve |
| CN201955230U (en) * | 2011-02-28 | 2011-08-31 | 浙江金卡高科技股份有限公司 | Performance detector for motor valve of IC card diaphragm gas meter |
| CN103940557A (en) * | 2014-04-11 | 2014-07-23 | 慈溪市三洋电子有限公司 | Device for testing sealing performance of motor valve |
| CN204142190U (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 |
-
2014
- 2014-10-10 CN CN201410531969.1A patent/CN104236467A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005024482A (en) * | 2003-07-01 | 2005-01-27 | Suncall Corp | Measuring device of perpendicularity of spring |
| CN101755159A (en) * | 2007-07-24 | 2010-06-23 | Vat控股公司 | Method for controlling or regulating a vacuum valve |
| CN201955230U (en) * | 2011-02-28 | 2011-08-31 | 浙江金卡高科技股份有限公司 | Performance detector for motor valve of IC card diaphragm gas meter |
| CN103940557A (en) * | 2014-04-11 | 2014-07-23 | 慈溪市三洋电子有限公司 | Device for testing sealing performance of motor valve |
| CN204142190U (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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Application publication date: 20141224 |