CN104635074A - Apparatus of verifying offline performance of multi-valve position converter - Google Patents
Apparatus of verifying offline performance of multi-valve position converter Download PDFInfo
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- CN104635074A CN104635074A CN201310574438.6A CN201310574438A CN104635074A CN 104635074 A CN104635074 A CN 104635074A CN 201310574438 A CN201310574438 A CN 201310574438A CN 104635074 A CN104635074 A CN 104635074A
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- valve position
- polynary
- drive link
- position switcher
- switcher
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Abstract
The invention relates to the field of detection of electric field equipment, in particular to an apparatus of verifying offline performance of a multi-valve position converter. The apparatus comprises a body and an electronic ruler; the body is provided with a binding post and a current display module; the electronic ruler is fixedly connected with the body; the multi-valve position converter fixedly mounted on the body is connected to a power supply through the binding post and is serially connected with the current display module; an output shaft of the multi-valve position converter is fixedly connected with the fixing end of a first transmission rod; the measuring end of the electronic ruler is fixedly connected with the fixing end of a second transmission rod. The apparatus has the advantages that operating features of the multi-valve position converter can be subjected to independent offline testing, online replacement is allowed, defective products can be sorted and removed offline, on-machine qualification rate is better guaranteed, failures of a power generator can be illuminated online during running, the apparatus is visually and evidently significant and has a wide range of market popularization and application.
Description
Technical field
The present invention relates to electric field equipment detection field, particularly relate to a kind of polynary valve position switcher calibration equipment.
Background technology
On-the-spot topworks is the important driving link in factory automation loop in automation control area.After control system of power plant transformation, on-the-spot topworks selects the valve position switcher of Japanese firm in a large number.Four genset installation amounts add up to 350, form diversification, and object converts the valve opening that on-the-spot topworks drives to current signal in real time, use for control system display and closed-loop control.
Due to reasons such as environmental factors, in the actual use in scene for many years, the failure rate of this equipment is high.During genset runs, when valve position switcher fault occurring and need carrying out parts replacement, the total travel that must perform valve just can complete new valve position switcher adjustment.Topworks's total travel verification causes actual opening valve degree significantly to change and influential system control overflow, therefore whole on-the-spot topworks must be completely cut off out from system during verification, while affecting generated energy, also bring sizable working pressure to maintainer.
Must be contained in when now polynary valve position switcher being verified that topworks to follow valve real dynamic, obtain verification stroke therefore, when the valve position switcher of on-the-spot topworks breaks down online, how can actively realize new valve position switcher off-line School Affairs adjustment, and change to online in on-the-spot topworks, be that we need respond actively ensureing genset safety while.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of polynary valve position switcher off-line qualification device, by angle change is converted into displacement and is read intuitively by electronic ruler, achieve the ability of polynary valve position switcher operating characteristic being carried out to independent off-line test, realize online replacing thus, timely elimination faulty intrinsic, there is the ability of defect ware being carried out to combing and eliminating under line, better ensure upper machine qualification rate.
The present invention is achieved in that a kind of polynary valve position switcher off-line qualification device, comprising:
Be provided with the body of binding post and electric current display module;
The electronic ruler be fixedly linked with body;
Polynary valve position switcher is fixedly mounted on body, and polynary valve position switcher accesses power supply by binding post and connects with electric current display module;
The output shaft of described polynary valve position switcher and the stiff end of the first drive link are fixedly linked, the measuring junction of described electronic ruler and the stiff end of the second drive link are fixedly linked, it is hinged that the free end of the first drive link and the free end of the second drive link pass through transmission bolt, have at least one to offer axial chute in first drive link and the second drive link, described transmission bolt and chute match to merge and are free to slide along chute.
Described body is also provided with adjustment slide bar, described adjustment slide bar is provided with adjustment slide block, described polynary valve position switcher is fixedly linked by mounting platform and adjustment slide block.
The first described drive link and the second drive link all offer axial chute, and transmission bolt is fixed therein in any one chute, and is free to slide in another chute.
The output shaft of described polynary valve position switcher is connected by nested with the stiff end of the first drive link.
Described body is also provided with power switch.
The present invention's polynary valve position switcher off-line qualification device is by being converted into displacement by rotation and being read intuitively by electronic ruler, achieve the ability of polynary valve position switcher operating characteristic being carried out to independent off-line test, realize online replacing thus, eliminate faulty intrinsic in time; There is the ability of defect ware being carried out to combing and eliminating under line, better ensure upper machine qualification rate; Apparatus of the present invention also can be expanded and carry out calibration for other with the secondary instrument of angle running craspedodrome electric current conversion work principle, ensure the accuracy of adjustment, verify at off-line, on the basis of adjustment, such fault of online elimination in generating set operation can be realized, meaning is directly perceived and remarkable, has marketing widely and uses space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's polynary valve position switcher off-line qualification device;
Fig. 2 is appliance wiring figure in the present invention;
Fig. 3 is the structural representation adjusting slide bar slider area in the present invention;
Fig. 4 is the structural representation of drive link part in the present invention;
Fig. 5 utilizes this device to carry out the schematic flow sheet verified.
In figure: 1 body, 2 power switches, 3 binding posts, 4 electric current display modules, 5 electronic rulers, more than 6 yuan of valve position switcher, 7 output shafts, 8 first drive links, 9 second drive links, 10 transmission bolts, 11 chutes, 12 adjustment slide bars, 13 adjustment slide block, 14 mounting platforms, 15 power supply voltage transformation unit.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's statement.
Embodiment 1
As shown in Figure 1, a kind of polynary valve position switcher off-line qualification device, comprising:
Be built-in with the body 1 of battery or direct external power supply, described body 1 be provided with power switch 2, binding post 3 and electric current display module 4, by binding post 3, polynary valve position switcher 6 powered, and be responsible for switching by power switch 2; The wiring of polynary valve position switcher 6 in the present embodiment as shown in Figure 2, external 220V power supply, electric current display module 4 is connected with polynary valve position switcher 6, the AC 220V that power supply exports becomes the DC 24V required for polynary valve position switcher 6 from power supply voltage transformation unit 15, and electric current display module 4 shows the current output value after polynary valve position switcher 6 off-line qualification.
Electric current display module, shows polynary valve position switcher off-line qualification after-current output valve; 02 power transformer of Fig. 3, the required DC 24V changing voltage of generator verification; 03 operating switch of Fig. 3, the AC220V voltage of input media is cut, is thrown; The 04 working power access terminal of Fig. 3, polynary valve position switcher is cut-in operation voltage thus.
Described polynary valve position switcher 6 is fixedly mounted on body 1, and body 1 is fixedly equipped with electronic ruler 5, and the measuring junction of electronic ruler 5 can arrange 0, basis, when mobile, show run-length data; As shown in Figure 4, the output shaft 7 of described polynary valve position switcher 6 and the stiff end of the first drive link 8 are fixedly linked, the measuring junction of described electronic ruler 5 and the stiff end of the second drive link 9 are fixedly linked, in the present embodiment in order to can convenient operation, the output shaft 7 of described polynary valve position switcher 6 be connected by nested with the stiff end of the first drive link 8; It is hinged that the free end of the first drive link 8 and the free end of the second drive link 9 pass through transmission bolt 10, has at least one to offer axial chute 11 in the first drive link 8 and the second drive link 9, and described transmission bolt 10 matches to merge with chute 11 and is free to slide along chute 11; During verification, the angle that output shaft 7 rotates is converted into the measuring junction displacement of electronic ruler 5, is convenient to show calibration intuitively.
As shown in Figure 3, in order to the polynary position of valve position switcher 6 on body 1 can be adjusted easily, this device can be matched with the polynary valve position switcher 6 of various model, described body 1 is also provided with adjustment slide bar 12, described adjustment slide bar 12 is provided with adjustment slide block 13, described polynary valve position switcher 6 is fixedly linked by mounting platform 14 and adjustment slide block 13, after being regulated by polynary valve position switcher 6 and put in place, locks adjustment slide block 13 before verification by adjustment slide block 13.
In addition, in order to increase the scope of adjustment further, the first described drive link 8 and the second drive link 9 all offer axial chute 11, and transmission bolt 10 is fixed therein in any one chute 11, and is free to slide in another chute 11.
As shown in Figure 5, polynary valve position switcher working range of this verification is 45 ° to the concrete verification implementing procedure of the present invention, is that benchmark is ± 22.5 ° with center, working current 4mA ~ 20mA.First be fixed on mounting platform 14 by polynary valve position switcher 6, polynary valve position switcher 6 electrical wiring is connected with binding post 3, and now electric current display module 4 is connected with polynary valve position switcher 6; By the stiff end nested encryptions of the first drive link 8 to output shaft 7.Regulate the position of transmission bolt 10 in two chutes 11 and fasten one end of transmission bolt 10, finally making the measuring junction of electronic ruler 5 be in 0 position; Turn on the power switch 2, each angle variable quantity of polynary valve position switcher 6 is converted to the Direct Travel data display on electronic ruler 5; Make the polynary valve position switcher 6 after work at-22.5 ° of working positions; Confirm that polynary valve position switcher 6 exports 4mA, the base bits potentiometer of fixing polynary valve position switcher 6, otherwise then adjust polynary valve position switcher 6 base bits potentiometer, make it reach; Mobile electron chi 5, makes the polynary valve position switcher 6 after work at+22.5 degree working positions, confirms that switching current exports 20mA, the amplitude potentiometer of fixing polynary valve position switcher 6, otherwise then adjust the amplitude potentiometer of polynary valve position switcher 6, make it reach; Polynary valve position conversion equipment verifying work termination.
Claims (5)
1. a polynary valve position switcher off-line qualification device, is characterized in that, comprising:
Be provided with the body (1) of binding post (3) and electric current display module (4);
The electronic ruler (5) be fixedly linked with body (1);
Polynary valve position switcher (6) is fixedly mounted on body (1), and polynary valve position switcher (6) accesses power supply by binding post (3) and connects with electric current display module (4);
The output shaft (7) of described polynary valve position switcher (6) and the stiff end of the first drive link (8) are fixedly linked, the measuring junction of described electronic ruler (5) and the stiff end of the second drive link (9) are fixedly linked, it is hinged that the free end of the first drive link (8) and the free end of the second drive link (9) pass through transmission bolt (10), one is had at least to offer axial chute (11) in first drive link (8) and the second drive link (9), described transmission bolt (10) and chute (11) match to merge and are free to slide along chute (11).
2. polynary valve position switcher off-line qualification device as claimed in claim 1, it is characterized in that: described body (1) is also provided with adjustment slide bar (12), described adjustment slide bar (12) is provided with adjustment slide block (13), described polynary valve position switcher (6) is fixedly linked by mounting platform (14) and adjustment slide block (13).
3. polynary valve position switcher off-line qualification device as claimed in claim 1 or 2, it is characterized in that: described the first drive link (8) and the second drive link (9) all offer axial chute (11), transmission bolt (10) is fixed therein in any one chute (11), and is free to slide in another chute (11).
4. polynary valve position switcher off-line qualification device as claimed in claim 1 or 2, is characterized in that: the output shaft (7) of described polynary valve position switcher (6) is connected by nested with the stiff end of the first drive link (8).
5. polynary valve position switcher off-line qualification device as claimed in claim 1 or 2, is characterized in that: described body (1) is also provided with power switch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574438.6A CN104635074B (en) | 2013-11-15 | 2013-11-15 | The polynary offline qualification device of valve position switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574438.6A CN104635074B (en) | 2013-11-15 | 2013-11-15 | The polynary offline qualification device of valve position switcher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104635074A true CN104635074A (en) | 2015-05-20 |
| CN104635074B CN104635074B (en) | 2017-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310574438.6A Active CN104635074B (en) | 2013-11-15 | 2013-11-15 | The polynary offline qualification device of valve position switcher |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293145Y (en) * | 2008-11-25 | 2009-08-19 | 上海宝钢设备检修有限公司 | Feedback verifying device for valve position |
| CN201413241Y (en) * | 2009-05-18 | 2010-02-24 | 上海宝钢设备检修有限公司 | Feedback check device of VOS-type valve location |
| CN202302259U (en) * | 2011-08-16 | 2012-07-04 | 天津双辉仪表科技有限公司 | Electric executing mechanism debugging instrument |
| CN202484423U (en) * | 2012-03-05 | 2012-10-10 | 核动力运行研究所 | Electric butterfly valve performance testing device |
| CN102829241A (en) * | 2012-08-16 | 2012-12-19 | 北京京仪海福尔自动化仪表有限公司 | Hall type rotary-motion valve position transmitter |
-
2013
- 2013-11-15 CN CN201310574438.6A patent/CN104635074B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201293145Y (en) * | 2008-11-25 | 2009-08-19 | 上海宝钢设备检修有限公司 | Feedback verifying device for valve position |
| CN201413241Y (en) * | 2009-05-18 | 2010-02-24 | 上海宝钢设备检修有限公司 | Feedback check device of VOS-type valve location |
| CN202302259U (en) * | 2011-08-16 | 2012-07-04 | 天津双辉仪表科技有限公司 | Electric executing mechanism debugging instrument |
| CN202484423U (en) * | 2012-03-05 | 2012-10-10 | 核动力运行研究所 | Electric butterfly valve performance testing device |
| CN102829241A (en) * | 2012-08-16 | 2012-12-19 | 北京京仪海福尔自动化仪表有限公司 | Hall type rotary-motion valve position transmitter |
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| Publication number | Publication date |
|---|---|
| CN104635074B (en) | 2017-11-24 |
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