CN204613245U - Fluted disc speed measuring comprehensive calibrator - Google Patents
Fluted disc speed measuring comprehensive calibrator Download PDFInfo
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- CN204613245U CN204613245U CN201520337799.3U CN201520337799U CN204613245U CN 204613245 U CN204613245 U CN 204613245U CN 201520337799 U CN201520337799 U CN 201520337799U CN 204613245 U CN204613245 U CN 204613245U
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- fluted disc
- trim panel
- high speed
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Abstract
A kind of fluted disc speed measuring comprehensive calibrator, comprise test module, probe, trim panel, high speed counting module, PCC controller, Human machine interface module, standard signal generator, it is characterized in that: probe is located on test module, frequency signal is sent by frequency measurement, be sent to trim panel, 380V three-phase supply is connected with test module by isolating switch, standard signal generator connects trim panel, trim panel connects high speed counting module, high speed counting module connects PCC controller, PCC controller and Human machine interface model calling, PCC controller is also connected with debugging originally, 220V civil power is standard signal generator and this power supply of debugging, and 220V civil power is connected with power module by power transfer module, and power module is probe, trim panel, high speed counting module, PCC controller, Human machine interface module for power supply.The utility model provides a kind of fluted disc speed measuring comprehensive calibrator, has probe School Affairs and to test the speed the functions such as steering logic verification.
Description
Technical field
The utility model relates to a kind of speed measuring device, particularly relates to fluted disc speed measuring comprehensive calibrator.
Background technology
At present, hydraulic turbine frequency measurement signal is made up of residual voltage frequency measurement signal and gear panel measurement signal usually.Due to hydraulic turbine gear panel measurement loop need could work when unit rotates, like this when hydraulic turbine gear panel measurement pop one's head in break down reinstall time, unit start shooting before cannot to gear panel measurement pop one's head in verify.Usually the method taked waits for unit start, carries out record ripple, by carrying out data analysis to waveform and relatively judging that whether fluted disc speed measuring is normal after start to residual voltage frequency measurement signal and gear panel measurement signal.This kind of method is adopted to there is following defect:
(1) owing to could verify whether probe is normal after unit start; so when finding that probe measurement is inaccurate or probe installation location is improper; due to the requirement of set grid-connection time; process (probe is changed to be needed to carry out when shutting down) cannot be shut down after pinpointing the problems; can only stop and just can change by unit in time switch unit; and if that changes has problem, can repeat again the problems referred to above occur.
(2) due to fluted disc probe velocity measurement cannot be carried out before unit start, a large amount of open antiskid abrasiveness layer time can be taken.Not only can postpone the grid-connected time of starting shooting, water also can be made to flow through the hydraulic turbine in a large number, cause water to waste.
(3) rotating speed export relate to unit overrun shutdown, the logic control such as to fall, so must re-start test after being optimized rotational speed sequence.Due to unit start rear tooth disk tests the speed could frequency measurement, cause the program verification test after improving to carry out after powering, if discovery procedure existing problems, just cannot carry out grid-connected, cause boot failure.
Utility model content
The purpose of this utility model is for the defect existing for existing fluted disc speed measuring system, provides a kind of fluted disc speed measuring comprehensive calibrator, has probe School Affairs and to test the speed the functions such as steering logic verification.
In order to realize above-mentioned technical characteristic, the purpose of this utility model is achieved in that a kind of fluted disc speed measuring comprehensive calibrator, comprise test module, probe, trim panel, high speed counting module, PCC controller, Human machine interface module, standard signal generator, it is characterized in that: probe is located on test module, frequency signal is sent by frequency measurement, be sent to trim panel, 380V three-phase supply is connected with test module by isolating switch, standard signal generator connects trim panel, trim panel connects high speed counting module, high speed counting module connects PCC controller, PCC controller and Human machine interface model calling, PCC controller is also connected with debugging originally, 220V civil power is standard signal generator and this power supply of debugging, and 220V civil power is connected with power module by power transfer module, and power module is probe, trim panel, high speed counting module, PCC controller, Human machine interface module for power supply.
Described test module comprises cingulum, support, variable-frequency motor, and variable-frequency motor is connected with cingulum and drives cingulum to rotate, and props up the front being set up in cingulum, and probe is installed on support, and 380V three-phase supply is that variable-frequency motor is powered by isolating switch.
Described high speed counting module, power module and PCC controller are installed on PCC backboard.
Described standard signal generator is Fluke 80/81 function/pulse producer, power transfer module is POWER ONE LXN-2660-6M2, the model of trim panel is that what one is particularly good at reaches NSD-TS-00001B, debug this employing notebook computer, the model of Human machine interface module is B & R 4PP420.1505-B5.
Described high speed counting module adopts Bei Jialai DM455 high speed counting module, and the model of power module is the model of Bei Jialai 3PS465.9, PCC controller is B & R2005.
Described variable-frequency motor is Siemens 1TL0002 frequency converting speed regulating three-phase asynchronous electromotor.
The model of described PCC backboard is B & R 3BP151.4.
The utility model has following beneficial effect:
(1) target that gear panel measurement loop test and rotating speed steering logic demonstration test carry out testing before start is achieved.Greatly reduce the rear unit test period of start, avoid the economic loss caused because water can waste.Be advanced by the set grid-connection time simultaneously, unit is generated electricity in advance, lower meeting of accumulating over a long period creates huge economic benefit.
(2) current domestic speed regulator mostly is microcomputer governor, so the original papers such as PCC controller, Human machine interface module, high speed counting module, power module, power transfer module all can use the standby redundancy of power plant to form, eliminates purchase cost.If the components and parts such as the power module of power plant break down, also can pull down corresponding module from tester and change, the module changed uses through reprocessing still can be installed on tester, achieves many things at one stroke.
(3) this tester can in warehouse, laboratory or office use, and solves the problem that speed test can only be carried out at the scene.Staff can be allowed at office's debugged program and test.
(4) this tester program of using power plant personal and software, without the need to being rotating speed verification and separately develop program.And Human machine interface module adopts B & R 4PP420.1505-B5 touch-screen, not only possesses general function such as display rotating speed, warning etc., record ripple can also be carried out to tach signal, be presented to staff in graph form, be convenient to observe rotation speed change rule.
(5) this tester has powerful expanded function.As installed I/O module additional on PCC backboard, installing components and parts such as outputing relay additional, tester can be made to possess more function, as exported specific rotation speeds, whether validation switch amount exports normal.In addition, program can be optimized voluntarily according to production actual needs, make it more practical.
(6) tester hardware and software are familiar with by staff, upper quick-moving.In addition, this tester can also be used to give training new employee.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the scheme of installation of variable-frequency motor, cingulum, support, probe.
Embodiment
As shown in Figure 1, a kind of fluted disc speed measuring comprehensive calibrator, comprise test module, probe, trim panel, high speed counting module, PCC controller, Human machine interface module, standard signal generator, it is characterized in that: probe is located on test module, frequency signal is sent by frequency measurement, be sent to trim panel, 380V three-phase supply is connected with test module by isolating switch, standard signal generator connects trim panel, trim panel connects high speed counting module, high speed counting module connects PCC controller, PCC controller and Human machine interface model calling, PCC controller is also connected with debugging originally, 220V civil power is standard signal generator and this power supply of debugging, and 220V civil power is connected with power module by power transfer module, and power module is probe, trim panel, high speed counting module, PCC controller, Human machine interface module for power supply.
As shown in Figure 2, described test module comprises cingulum 2, support 3, variable-frequency motor 4, and variable-frequency motor 4 is connected with cingulum 2 and drives cingulum 2 to rotate, and the front of cingulum 2 is located at by support 3, probe 1 is installed on support, and 380V three-phase supply is that variable-frequency motor is powered by isolating switch.
Described high speed counting module, power module and PCC controller are installed on PCC backboard.
Described standard signal generator is Fluke 80/81 function/pulse producer, power transfer module is POWER ONE LXN-2660-6M2, the model of trim panel is that what one is particularly good at reaches NSD-TS-00001B, debug this employing notebook computer, the model of Human machine interface module is B & R 4PP420.1505-B5.
Described high speed counting module adopts Bei Jialai DM455 high speed counting module, and the model of power module is the model of Bei Jialai 3PS465.9, PCC controller is B & R2005.
Described variable-frequency motor 4 is Siemens 1TL0002 frequency converting speed regulating three-phase asynchronous electromotor.
The model of described PCC backboard is B & R 3BP151.4.
Be installed on support 3 by probe 1 during use, variable-frequency motor 4 drives cingulum 2 to rotate, and Simulated Water turbine macro-axis rotates, and sends frequency signal, send into trim panel by probe frequency measurement.Because variable-frequency motor can rotate also Absorbable organic halogens and, at a certain rotating speed long-play, thus reaches the medium speed change of simulation unit start process and simulate the object of a certain constant rotational speed by variable speed within the scope of certain frequency, loop installs isolating switch additional and plays a protective role.Standard signal generator can be simulated residual voltage frequency measurement and sinusoidal wave and gear panel measurement generation square wave are occurred, and trim panel is used for sine wave to be converted to square wave.
Debugging is originally connected by netting twine with PCC controller, rotating speed steering logic is in this enterprising edlin of debugging and compiling (tester needs rotating speed steering logic Power Plant used to copy in debugging originally before use), download to PCC controller to run, when controller runs, debugging originally can monitor program variable and record ripple simultaneously.Human machine interface is connected with PCC controller by serial ports, and frequency signal and speed error signal, alerting signal all can show on HMI.Fluted disc speed measuring signal 1 to be simulated with variable-frequency motor 4, cingulum 2 by popping one's head in; Standard residual voltage frequency measurement signal and standard gear panel measurement signal are then simulated by standard signal generator.
The utility model also has probe School Affairs and to test the speed the functions such as steering logic verification except speed measuring function, specific as follows:
(1) measure fluted disc signal and show;
(2) measure multichannel fluted disc signal simultaneously, and compare, whether verification probe has problems;
(3) measure multichannel fluted disc signal simultaneously, and regulate the mounting distance between probe and cingulum, the suitable distance that inspection probe is installed;
(4) measure multichannel fluted disc signal and residual pressure signal, checking PCC controller rotating speed steering logic simultaneously;
(5) simulate unit start, carry out rotational speed devices test in the absence of water.
Claims (7)
1. a fluted disc speed measuring comprehensive calibrator, comprise test module, probe, trim panel, high speed counting module, PCC controller, Human machine interface module, standard signal generator, it is characterized in that: probe is located on test module, frequency signal is sent by frequency measurement, be sent to trim panel, 380V three-phase supply is connected with test module by isolating switch, standard signal generator connects trim panel, trim panel connects high speed counting module, high speed counting module connects PCC controller, PCC controller and Human machine interface model calling, PCC controller is also connected with debugging originally, 220V civil power is standard signal generator and this power supply of debugging, and 220V civil power is connected with power module by power transfer module, and power module is probe, trim panel, high speed counting module, PCC controller, Human machine interface module for power supply.
2. a kind of fluted disc speed measuring comprehensive calibrator according to claim 1, it is characterized in that: described test module comprises cingulum (2), support (3), variable-frequency motor (4), variable-frequency motor (4) is connected with cingulum (2) and drives cingulum (2) to rotate, the front of cingulum (2) is located at by support (3), probe (1) is installed on support, and 380V three-phase supply is that variable-frequency motor is powered by isolating switch.
3. a kind of fluted disc speed measuring comprehensive calibrator according to claim 1, is characterized in that: described high speed counting module, power module and PCC controller are installed on PCC backboard.
4. a kind of fluted disc speed measuring comprehensive calibrator according to claim 1, it is characterized in that: described standard signal generator is Fluke 80/81 function/pulse producer, power transfer module is POWER ONE LXN-2660-6M2, the model of trim panel is that what one is particularly good at reaches NSD-TS-00001B, debug this employing notebook computer, the model of Human machine interface module is B & R 4PP420.1505-B5.
5. a kind of fluted disc speed measuring comprehensive calibrator according to claim 1 or 3, it is characterized in that: described high speed counting module adopts Bei Jialai DM455 high speed counting module, the model of power module is the model of Bei Jialai 3PS465.9, PCC controller is B & R2005.
6. a kind of fluted disc speed measuring comprehensive calibrator according to claim 2, is characterized in that: described variable-frequency motor (4) is Siemens 1TL0002 frequency converting speed regulating three-phase asynchronous electromotor.
7. a kind of fluted disc speed measuring comprehensive calibrator according to claim 3, is characterized in that: the model of described PCC backboard is B & R 3BP151.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520337799.3U CN204613245U (en) | 2015-05-22 | 2015-05-22 | Fluted disc speed measuring comprehensive calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520337799.3U CN204613245U (en) | 2015-05-22 | 2015-05-22 | Fluted disc speed measuring comprehensive calibrator |
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| CN204613245U true CN204613245U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520337799.3U Expired - Fee Related CN204613245U (en) | 2015-05-22 | 2015-05-22 | Fluted disc speed measuring comprehensive calibrator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525967A (en) * | 2017-09-18 | 2017-12-29 | 中国长江电力股份有限公司 | A kind of measurement apparatus and method of contactless fluted disc frequency |
| CN109725176A (en) * | 2019-02-21 | 2019-05-07 | 中国长江电力股份有限公司 | A kind of hydroelectric power plant's generating unit speed node calibration equipment and method of calibration |
-
2015
- 2015-05-22 CN CN201520337799.3U patent/CN204613245U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525967A (en) * | 2017-09-18 | 2017-12-29 | 中国长江电力股份有限公司 | A kind of measurement apparatus and method of contactless fluted disc frequency |
| CN109725176A (en) * | 2019-02-21 | 2019-05-07 | 中国长江电力股份有限公司 | A kind of hydroelectric power plant's generating unit speed node calibration equipment and method of calibration |
| CN109725176B (en) * | 2019-02-21 | 2024-03-12 | 中国长江电力股份有限公司 | Hydropower plant unit rotating speed node verification device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20210522 |