CN202305562U - Calibration system for rotating shaft and phase difference thereof - Google Patents

Calibration system for rotating shaft and phase difference thereof Download PDF

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Publication number
CN202305562U
CN202305562U CN2011201902921U CN201120190292U CN202305562U CN 202305562 U CN202305562 U CN 202305562U CN 2011201902921 U CN2011201902921 U CN 2011201902921U CN 201120190292 U CN201120190292 U CN 201120190292U CN 202305562 U CN202305562 U CN 202305562U
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China
Prior art keywords
turning axle
rotating speed
calibration system
calibration
rotary shaft
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CN2011201902921U
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Chinese (zh)
Inventor
马铁华
靳鸿
张艳兵
张红艳
刘飞
付永乐
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North University of China
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North University of China
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Abstract

The utility model discloses a calibration system for a rotating shaft and a phase difference thereof, and belongs to the technical field of measurement or metering. The calibration system comprises a motor, a rotating shaft driven by the motor, a bracket of the rotating shaft, a first sleeve arranged on the bracket, a positioning seat arranged at the rear end of the rotating shaft, a second sleeve arranged on the positioning seat, an index head, a short shaft arranged on an index head claw, and the like. The calibration system has the advantages that: the problem of incapability of calibrating rotating speed and phase difference (torque) test instruments in the prior art is solved, a calibration instrument with high calibration accuracy and practicability is provided for the rotating shaft rotating speed and phase difference (torque) test instruments, and rotating shaft rotating speed testers such as a capacitance rotating shaft rotating speed tester, a grating rotating shaft rotating speed tester, a Hall rotating shaft rotating speed tester, a magnetic grid rotating shaft rotating speed tester, an infrared rotating shaft rotating speed tester, a photoelectric rotating shaft rotating speed tester, a photoelectric encoder rotating shaft rotating speed tester and the like and rotating shaft phase difference testers such as a capacitance rotating shaft phase difference tester, a grating rotating shaft phase difference tester, a magnetic grid rotating shaft phase difference tester and the like can be calibrated; and the calibration system has a simple and flexible structure, and is convenient to operate and widely applicable, the rotating speed of the rotating shaft is adjustable, the sleeves are replaceable, and a distance between the sleeves is also adjustable.

Description

Turning axle and turning axle phase differential calibration system
One. technical field
Disclosed turning axle of the utility model and turning axle phase differential calibration system belong to be measured or field of measuring techniques, and what be specifically related to is the system of a kind of calibration rotary shaft rotating speed and phase differential (and even moment of torsion).
Two. background technology
Current, torsion-testing is an indispensable content in the work such as development research, quality check, safety and optimal control of various engineering goods, and peak torque and rotating speed be the important parameter of design such as tank, vehicle especially.Because the internal structure of various machines is complicated, testing tool is required harshness, tested turning axle space under actual environment for use is limited, and is very difficult when calibrating.The utility model relates to a kind of turning axle phase differential correcting device; This equipment can be simulated the rotation of rotating shaft; The turn signal of standard is provided for some test macros; And can produce required phase signal, be used to hold of demarcation or the calibration of test macro such as grid, because the turning axle moment of torsion calculates through the phase differential of gathering the turning axle diverse location in this class testing system to torsion-testing.
Three. summary of the invention
The purpose of the utility model invention is: to society the calibration system of this rotary shaft rotating speed, phase differential is provided, because this class testing system realizes rotary shaft rotating speed and the isoparametric test of moment of torsion through the phase differential of gathering rotary shaft rotating speed and diverse location.The test of these parameters is crucial to the work such as development research, quality check, safety and optimal control of various engineering goods, as peak torque and rotating speed etc. especially tank, vehicle etc. the design important parameter.Therefore, the calibration system of the rotary shaft rotating speed of the utility model, phase differential has extensive use.
The technical scheme of the utility model comprises: about the calibration system of rotary shaft rotating speed with about two technical schemes of turning axle phase differential calibration system:
Technical scheme about the rotary shaft rotating speed calibration system is following: this turning axle calibration system; The instrument or the device that are used for the calibration testing rotary shaft rotating speed; Technical characterstic is: this calibration system includes: the turning axle of motor and driving thereof, the sleeve of installing on rotation shaft support and the support one is installed, is calibrated instrument or device that part is the test rotary shaft rotating speed.Described sleeve one assembling is more flexible, can arbitrarily replace, and is used to assemble multiple instrument that is calibrated or device.
According to above-described turning axle calibration system, technical characterstic also has: the front end of the described turning axle of a. is connected on the coaxial cable by motor shaft through shaft coupling and is installed together.B. the middle part of described turning axle (such as through bearing one) setting or rack-mount rotationally.C. the sleeve of installing on the described support one is made up of urceolus that is coaxially set or installs one and inner core one, and inner core one leans on servo-actuated cover one to be installed on the turning axle, and urceolus one is rack-mount.
According to above-described turning axle calibration system, technical characterstic also has: described instrument or the device that is calibrated the test rotary shaft rotating speed of part comprises: a. holds grid rotary shaft rotating speed tester: the structure of this appearance grid rotary shaft rotating speed tester is made up of test circuits such as capacitor grid transducer, differential pulse-width modulation circuit, counting circuit and display circuits.Capacitor grid transducer one is the picker of rotary shaft rotating speed detecting information, and it is made up of moving grid one and quiet grid one, and moving grid one is arranged on inner core one outer wall, and quiet grid one are arranged on urceolus one inwall, and urceolus one is with inner core one coaxial cable setting or be mounted to sleeve one.The input end of differential pulse-width modulation circuit connects with capacitor grid transducer one, and differential pulse-width modulation circuit output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Perhaps, b. grating rotating axle measurement of rotating speed appearance: the structure of this grating rotating axle measurement of rotating speed appearance is made up of test circuits such as light source one, grating one, photoelectric apparatus one, counting circuit and display circuits.Be installed on the turning axle, light source one is arranged on grating one side and rack-mount with photoelectric apparatus one positive alignment grating one ground grating one and rotating shaft coaxle line.Photoelectric apparatus one output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Perhaps, c. Hall rotary shaft rotating speed tester: the structure of this Hall rotary shaft rotating speed tester is made up of test circuits such as magnet, Hall element, counting circuit and display circuits.Be attached to magnet on the turning axle, the probe positive alignment magnet of Hall element is also rack-mount.The Hall element output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Perhaps, d. magnetic grid rotary shaft rotating speed tester: the structure of this magnetic grid rotary shaft rotating speed tester is made up of test circuits such as magnetic induction sensor, differential pulse-width modulation circuit, counting circuit and display circuits.Magnetic induction sensor one is the picker of rotary shaft rotating speed detecting information, and it is made up of moving grid one and quiet grid one, and moving grid one is arranged on inner core one outer wall, and quiet grid one are arranged on urceolus one inwall, and urceolus one is with inner core one coaxial cable setting or be mounted to sleeve one.The input end of differential pulse-width modulation circuit connects with magnetic induction sensor one, and differential pulse-width modulation circuit output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Perhaps, the infrared rotary shaft rotating speed tester of e.: the structure of this infrared rotary shaft rotating speed tester is made up of test circuits such as infrared light supply, code-disc, infrared receiver component, counting circuit and display circuits.Be installed on the turning axle code-disc and rotating shaft coaxle line, be arranged on code-disc both sides and rack-mount infrared light supply and infrared receiver component positive alignment code-disc.The infrared receiver component output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Perhaps, f. photoelectricity rotary shaft rotating speed tester: the structure of this photoelectricity rotary shaft rotating speed tester is made up of test circuits such as light source, code-disc, photoelectric apparatus, counting circuit and display circuits.The photoelectric apparatus output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Be installed on the turning axle code-disc and rotating shaft coaxle line, be arranged on code-disc both sides and rack-mount light source and photoelectric apparatus positive alignment code-disc.Perhaps, g. photoelectric encoder rotary shaft rotating speed tester: the structure of this photoelectric encoder rotary shaft rotating speed tester is made up of test circuits such as photoelectric encoder, counting circuit and display circuits.The photoelectric encoder output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Be installed on the turning axle photoelectric encoder and rotating shaft coaxle line.
According to above-described turning axle calibration system; Technical characterstic also has: the calibration steps or the calibration process of this calibration system are: the I. at first instrument or the device of the test rotary shaft rotating speed that is calibrated part of this calibration system will demarcate, and this demarcation must or adopt this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation in the calibration system of rotary shaft rotating speed.This demarcating steps or calibration process are: 1.. when calibration system (or this calibration system) carries out the rotating speed timing signal to instrument or the device of measuring rotary shaft rotating speed; Turn motor knob will show on the motor display panel that is set an instrument or the device that tachometer value is given the rack-mount measurement rotary shaft rotating speed of being demarcated part.2.. starter motor is by setting the tachometer value rotation, and turning axle will provide instrument or the device of the measurement tachometer value of an electric machine rotational axis to the rack-mount measurement rotary shaft rotating speed of being demarcated part.3.. repeat 1.., 2.. step or process; Instrument or device to the rack-mount measurement rotary shaft rotating speed of being demarcated part provide many groups to demarcate and the rotary shaft rotating speed Value Data of measuring; Need many groups be demarcated and the tachometer value data processing of measuring by demarcating regulation, thereby the instrument or the device of measurement rotary shaft rotating speed are demarcated.Described above-mentioned demarcating steps or calibration process 1.., 2.., 3.. in, when opening motor, every given rotating speed, just giving by calibrating instrument or device provides one group to demarcate and the rotating speed of measuring.Range according to rated engine speed can minimumly be divided into 5 groups; Repeat 1.., 2.., 3.. demarcating steps or calibration process; Can obtain by calibrating instrument or the demarcation of device circuit output and 5 groups of tachometer values of measurement, these 5 groups of data obtain straight line through least square fitting; This straight slope is sensitivity, promptly to being demarcated by calibrating instrument or device to test rotating speed.Instrument or device through demarcating back test rotary shaft rotating speed have sensitivity, are exported sensitivity therewith by calibrating instrument or device according to test or data measured and multiply each other and can calculate the value of rotating speed.Demarcated labeled rating or the stated accuracy that has rotary shaft rotating speed afterwards by calibrating instrument or device process.The instrument of the test rotary shaft rotating speed after II. demarcating or device can be used as and be calibrated part; On this calibration system, calibrate, its calibration steps or calibration process have: 1.. and the instrument or the device that are calibrated the test rotary shaft rotating speed of part are installed in this calibration system according to alignment requirements; 2.. detect calibrated section with the installation that is calibrated part, whether correctly is connected, reliably; 3.. starter motor, the control turning axle rotates, and produces nominal speed, and measures the actual speed of turning axle with being calibrated part; 4.. according to alignment requirements, repeat 3.. step or process, the rotating speed of change turning axle obtains calibrating with the nominal speed of a series of turning axles and corresponding with it actual measurement rotating speed; 5.. actual measurement rotating speed and nominal speed compare, and can realize being calibrated the instrument of test rotary shaft rotating speed partly or the calibration of device.The data processing of the calibration of described rotary shaft rotating speed or calculating can be performed as follows: the rotating speed of establishing the motor measurement is n, rmin -1, calibration coefficient k=nominal value/n, absolute error=measurement result-nominal value, described absolute error represent that measured value departs from the size of nominal value.Measurement result is the mean value of many group measured values, measures usually more than five groups.Relative error=(absolute error/measurement result) x100%, relative error, it is the ratio of absolute error and measured value or the mean value repeatedly measured.Fiducial error r mBe meant the value of the absolute error of surveying instrument, i.e. r divided by the full scale value gained of instrument m=Δ x/x m* 100%, Δ x representes the absolute error of surveying instrument, x mThe full scale value of expression surveying instrument, the normally range of testing tool.The nominal value contrast of measured value and calibration system can obtain being calibrated precision partly, simultaneously sensitivity correction is improved measuring accuracy.
Technical scheme about turning axle phase differential calibration system is following: this turning axle phase differential calibration system; The instrument or the device that are used for calibration testing turning axle phase differential; Technical characterstic is: this calibration system includes: the minor axis of installing on sleeve two, one division head and the dividing head pawl of installing on the positioning seat that install the sleeve of installing on the turning axle of motor and driving thereof, rotation shaft support and the support one, turning axle rear end, the positioning seat, being calibrated part is the instrument or the device of test turning axle phase differential.Described sleeve one, sleeve two assemblings are more flexible, can arbitrarily replace, and are used to assemble multiple instrument that is calibrated or device.
According to above-described turning axle phase differential calibration system, technical characterstic also has: the front end of the described turning axle of a. and motor shaft are connected on the coaxial cable through shaft coupling and are installed together.B. the middle part of described turning axle (such as through bearing one) setting or rack-mount rotationally.Positioning seat (such as through bearing two) rotationally is provided with or is installed in the turning axle rear end; Be provided with or be installed together through positioning seat turning axle rear end and minor axis front end coaxial cable ground; The minor axis front end is connected with positioning seat, and the tail end of minor axis is connected with the dividing head pawl.C. the sleeve of installing on the described support one is made up of urceolus that is coaxially set or installs one and inner core one, and inner core one leans on servo-actuated cover one to be installed on the turning axle, and urceolus one is rack-mount.D. the sleeve of installing on the described positioning seat two is made up of urceolus that is coaxially set or installs two and inner core two, and inner core two leans on servo-actuated cover two to be installed on the turning axle, and urceolus two is installed on the positioning seat.
According to above-described turning axle phase differential calibration system, technical characterstic also has: described instrument or the device that is calibrated the test turning axle phase differential of part comprises: a. holds grid turning axle phase differential tester: the structure of this appearance grid turning axle phase differential tester is made up of test circuits such as the picker-capacitor grid transducer one and two of turning axle phase differential detecting information, differential pulse-width modulation circuit, counting circuit and display circuits.Capacitor grid transducer one is made up of moving grid one and quiet grid one, and moving grid one is arranged on inner core one outer wall, and quiet grid one are arranged on urceolus one inwall, and urceolus one is with inner core one coaxial cable setting or be mounted to sleeve one.Capacitor grid transducer two is made up of moving grid two and quiet grid two, and moving grid two is arranged on inner core two outer walls, and quiet grid two are arranged on urceolus two inwalls, and urceolus two is coaxially set with inner core two or is mounted to sleeve two.The input end of differential pulse-width modulation circuit connects with capacitor grid transducer one, capacitor grid transducer two respectively; Differential pulse-width modulation circuit output terminal connects with the counting circuit input end; The counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.Perhaps, b. grating rotating axle phase differential tester: this grating rotating axle phase differential tester is made up of test circuits such as light source one and two, grating one and two, photoelectric apparatus one and two, counting circuit and display circuits.Photoelectric apparatus one and two output terminal connect with the counting circuit input end respectively, and the counting circuit output terminal connects with display circuit, and these test circuits of grating rotating axle phase differential tester are provided with or are rack-mount.Be installed on the turning axle, light source one is arranged on grating one side and rack-mount with photoelectric apparatus one positive alignment grating one ground grating one and rotating shaft coaxle line.Be installed on the turning axle, light source two is arranged on grating two sides with photoelectric apparatus two positive alignment gratings two ground and is installed on the positioning seat grating two and rotating shaft coaxle line, and positioning seat is connected with dividing head through minor axis.Perhaps, c. magnetic grid turning axle phase differential tester: the structure of this magnetic grid turning axle phase differential tester is made up of test circuits such as the picker-magnetic induction sensor one and two of turning axle phase differential detecting information, differential pulse-width modulation circuit, counting circuit and display circuits.Magnetic induction sensor one is made up of moving grid one and quiet grid one, and moving grid one is arranged on inner core one outer wall, and quiet grid one are arranged on urceolus one inwall, and urceolus one is with inner core one coaxial cable setting or be mounted to sleeve one.Magnetic induction sensor two is made up of moving grid two and quiet grid two, and moving grid two is arranged on inner core two outer walls, and quiet grid two are arranged on urceolus two inwalls, and urceolus two is coaxially set with inner core two or is mounted to sleeve two.The input end of differential pulse-width modulation circuit connects with magnetic induction sensor one, magnetic induction sensor two respectively; Differential pulse-width modulation circuit output terminal connects with the counting circuit input end; The counting circuit output terminal connects with display circuit, and these test circuits are provided with or are rack-mount.
According to above-described turning axle phase differential calibration system; Technical characterstic also has: the calibration steps or the calibration process of this calibration system are: the I. at first instrument or the device of the test turning axle phase differential that is calibrated part of this calibration system will demarcate, and this demarcation must or adopt this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation in the calibration system of turning axle phase differential; This demarcating steps or calibration process are: under turning axle rotates, demarcate: 1.. when calibration system carries out the phase differential timing signal to instrument or the device of measuring the turning axle phase differential; The instrument of at first mounted measured turning axle phase differential or the sleeve of device have a phase differential between the two once, sleeve two, thereby this phase differential provides a high-precision phase signal promptly to demarcate instrument or the device of phase difference value to the measurement turning axle phase differential of being demarcated part on rack-mount, the sleeve one, on the sleeve two; 2.. turn motor knob; Will show on the motor display panel that is set a tachometer value; Starter motor is by setting the tachometer value rotation, that the phase difference measurement value of noting two in turning axle upper bush one and the sleeve of this settings tachometer value is given is rack-mount, on the sleeve one, instrument or the device of being demarcated measurement turning axle phase differential partly on the sleeve two; 3.. by 1.., 2.. step or process make on rack-mount, the sleeve one, the instrument of the measurement turning axle phase differential of being demarcated part on the sleeve two or the phase data that device will obtain one group of high-precision demarcation and measurement; 4.. the rotation dividing head; The urceolus rotation of control sleeve two; Make sleeve two urceolus and the relative turn of inner core a phasing degree; Make sleeve one, two in sleeve that a new phase differential arranged again, thereby this phase differential provide another high-precision phase signal promptly to demarcate instrument or the device of phase difference value to the measurement turning axle phase differential of being demarcated part on rack-mount, the sleeve one, on the cover two; 5.. 4.. repeat 4. under step or the process., 2.., 3.. step or process; Make instrument or the device of measuring the turning axle phase differential obtain the many groups of phase datas of demarcating and measuring; Need handle the many groups of phase datas of demarcating and measuring by demarcating regulation, thereby instrument or the device of measuring the turning axle phase differential are demarcated.Described above-mentioned demarcating steps or calibration process 1.., 2.., 3.. in, to each sleeve one, sleeve two phase differential between the two, just give by calibrating instrument or device and provide one group to demarcate and the phase difference value of measuring when opening motor rotation.Range according to demarcating phase differential can minimumly be divided into 5 groups; Repeat 4.., 2.., 3.. demarcating steps or calibration process; Can obtain by calibrating instrument or the demarcation of device circuit output and 5 groups of phase difference values of measurement, these 5 groups of data obtain straight line through least square fitting; This straight slope is sensitivity, promptly to being demarcated by calibrating instrument or device rotary speed.Instrument or device through demarcating back test turning axle phase differential have sensitivity, are exported sensitivity therewith by calibrating instrument or device according to test or data measured and multiply each other and can calculate the value of phase differential (or moment of torsion).Demarcated labeled rating or the stated accuracy that has turning axle phase differential (or moment of torsion) afterwards by calibrating instrument or device process.The poor appearance of the test turning axle phase place after II. demarcating or device can be used as and be calibrated part; On this calibration system, calibrate: calibration under turning axle rotates, its calibration steps or calibration process have: 1.. and the instrument or the device that are calibrated the test turning axle phase differential of part are installed in this calibration system according to alignment requirements; 2.. detect calibrated section with the installation that is calibrated part, whether correctly is connected, reliably; 3.. rotate the dividing head handle and make the dividing head pawl drive urceolus two rotations; A phasing degree be can produce,, thereby urceolus one and phase differential of urceolus two the two generations made because urceolus one is motionless; Nominal phase difference as calibration; Starter motor, the control turning axle rotates, and is calibrated part and measures urceolus one and urceolus two the two actual phase differences at this moment; 4.. according to alignment requirements, repeat 3.. step or process, the rotation dividing head, the phase differential that change urceolus one and urceolus are two, starter motor, the control turning axle rotates, and obtains calibrating with a series of nominal phase differences and corresponding with it measured phase difference; 5.. measured phase difference and nominal phase difference compare, and can realize being calibrated the instrument of test turning axle phase differential partly or the calibration of device.The calibration data of described phase differential is handled or calculated and can be performed as follows: the angle of establishing the dividing head rotation is ω, calibration coefficient k=nominal value/ω, and absolute error=measurement result-nominal value, described absolute error represent that measured value departs from the size of standard value.Measurement result is the mean value of many group measured values, measures usually more than five groups.Relative error=(absolute error/measurement result) x100%, relative error, it is the ratio of absolute error and measured value or the mean value repeatedly measured.Fiducial error r mBe meant the value of the absolute error of surveying instrument, i.e. r divided by the full scale value gained of instrument m=Δ x/x m* 100%, Δ x representes the absolute error of surveying instrument, x mThe full scale value of expression surveying instrument, the normally range of testing tool.The nominal value contrast of measured value and calibration system can obtain being calibrated precision partly, simultaneously sensitivity correction is improved measuring accuracy.
The turning axle phase differential calibration system advantage of the utility model has: 1. the utility model is the rotating speed of turning axle and provides one to demarcate or calibration system based on the torsion-testing equipment of phase differential, has Practical significance; Simultaneously to the rotating speed that improves turning axle and significant equally based on the demarcation or the calibration accuracy of the torsion-testing equipment of phase differential; 2. the turning axle phase differential calibration system of the utility model is specially adapted to come the testing apparatus of calculated torque to calibrate through rotary shaft rotating speed and axle out of phase difference; Can directly test or experiment through the turning axle phase differential calibration system of the utility model; Data and the parameter of utilizing test or experiment to be provided; Compare with the turn signal of the calibration system institute nominal of the utility model, realize of the calibration of some testing apparatuss the rotating speed and the phase differential of turning axle; 3. the turning axle phase differential calibration system of the utility model is specially adapted to come the testing apparatus of calculated torque to demarcate through rotary shaft rotating speed and axle out of phase difference; Can directly test or experiment through the turning axle phase differential calibration system of the utility model; Data and the parameter of utilizing test or experiment to be provided; Compare with the turn signal of the calibration system institute nominal of the utility model, realize of the demarcation of some testing apparatuss the rotating speed and the phase differential of turning axle; 4. the turning axle phase differential calibration system of the utility model is simple in structure and flexible, the rotating speed adjustable of turning axle, and sleeve is replaceable, and the distance between the sleeve is also adjustable, and is easy to operate, is widely used.The turning axle phase differential calibration system technical scheme of the utility model mainly is to overcome in the prior art problem that can't demarcate and calibrate rotating speed, torsion-testing system, and this turning axle phase differential calibration system is worth adopting and promoting.
Four. description of drawings
The Figure of description of the utility model has 1 width of cloth:
Fig. 1 is a turning axle phase differential calibration system structural representation;
Adopted unified label in the drawings, promptly same object is used same label in the drawings.In the drawings: 1. motor; 2. motor knob; 3. motor display panel; 4. motor cabinet; 5. shaft coupling (left side); 6. shaft coupling (right side); 7. the servo-actuated cover one; 8. the testing tool to be calibrated or the test circuit of device; 9. support; 10. base plate; 11. servo-actuated cover two; 12. positioning seat; 13. minor axis; 14. dividing head; 15. calibration headstock; 16. motor shaft; 17. turning axle; 18. the urceolus one of sleeve one (quiet grid tube one); 19. the inner core one of sleeve one (moving grid tube one); 20. bearing one; 21. the urceolus two of sleeve two (quiet grid tube two); 22. the inner core two of sleeve two (moving grid tube two); 23. bearing two; 24. dividing head pawl; 25. handle.
Five. embodiment
The turning axle phase differential calibration system non-limiting examples of the utility model comprises: about rotary shaft rotating speed calibration system embodiment with about turning axle phase differential calibration system embodiment two parts.
First. the embodiment of rotary shaft rotating speed calibration system
Embodiment one. the turning axle calibration system
This turning axle calibration system of this example; The instrument or the device that are used for the calibration measurement rotary shaft rotating speed; This rotary shaft rotating speed calibration system concrete structure can illustrate with Fig. 1; This calibration system includes: a motor 1 and the motor shaft 16 that drives thereof, the front end of shaft rotating motor axle 16 and turning axle 17 are connected on the coaxial cable through shaft coupling 5-6.The fixing support 9 of turning axle 17, the middle part of turning axle 17 is as be provided with or be installed on the support 9 through bearing one (20) rotationally.Sleeve one also is installed on the support 9, and sleeve one is made up of with the inner core one (19) that leans on servo-actuated cover one (7) to be installed on the turning axle 17 urceolus one (18) that is installed on the support 9.The part that is calibrated of this example is that instrument or the device of measuring rotary shaft rotating speed is to hold grid rotary shaft rotating speed tester.This structure of holding grid rotary shaft rotating speed tester is made up of test circuits such as capacitor grid transducer one, differential pulse-width modulation circuit, counting circuit and display circuits.Capacitor grid transducer one is the picker of rotary shaft rotating speed detecting information; It is made up of moving grid one and quiet grid one; Moving grid one is arranged on inner core one (19) outer wall, and quiet grid one are arranged on urceolus one (18) inwall, and urceolus one (18) is coaxially set with inner core one (19) or is mounted to sleeve one.The input end of differential pulse-width modulation circuit connects with capacitor grid transducer one; Differential pulse-width modulation circuit output terminal connects with the counting circuit input end; The counting circuit output terminal connects with display circuit; More than these test circuits can design realization with public technology, these test circuits (8) are provided with or are installed on the support 9.The calibration steps or the calibration process of this calibration system are: the I. at first instrument or the device-appearance grid rotary shaft rotating speed tester of the test rotary shaft rotating speed that is calibrated part of this calibration system will demarcate, and this demarcation can adopt this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.This demarcating steps or calibration process are: 1.. when this routine calibration system is carried out the rotating speed timing signal to holding grid rotary shaft rotating speed tester; The knob 2 of turn motor 1 will show on the display panel 3 of motor 1 that is set the test circuit that tachometer value is given the compositions such as capacitor grid transducer one, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the appearance grid rotary shaft rotating speed tester on the support 9.2.. starter motor 1 is by setting the tachometer value rotation, and turning axle 17 will provide the turning axle 17 of a motor 1 to measure the test circuit that tachometer value is formed to the capacitor grid transducer one, differential pulse-width modulation circuit, counting circuit and the display circuit that are installed in the appearance grid rotary shaft rotating speed tester on the support 9 etc.3.. repeat 1.., 2.. step or process; Appearance grid rotary shaft rotating speed tester to being installed on the support 9 provides many groups to demarcate and the turning axle 17 tachometer value data of measuring; Need many groups be demarcated and the tachometer value data processing of measuring by demarcating regulation, thereby appearance grid rotary shaft rotating speed tester is demarcated.The above-mentioned demarcating steps of this example or calibration process 1.., 2.., 3.. in, when opening motor 1, every given rotating speed, just give by calibrating instrument or device--holding grid rotary shaft rotating speed tester provides one group to demarcate and the rotating speed of measuring.Range according to rated engine speed should example can minimumly be divided into 5 groups; Repeat 1.., 2.., 3.. demarcating steps or calibration process; Can obtain holding the demarcation of grid rotary shaft rotating speed tester circuit output and 5 groups of tachometer values of measurement, these 5 groups of data obtain straight line through least square fitting; This straight slope is sensitivity, promptly demarcates holding grid rotary shaft rotating speed tester test rotating speed.Have sensitivity through calibrated appearance grid rotary shaft rotating speed tester, hold grid rotary shaft rotating speed tester and can export sensitivity therewith according to test or data measured and multiply each other and to calculate the value of turning axle 17 rotating speeds.Hold grid rotary shaft rotating speed tester through having labeled rating or the stated accuracy or the different accuracy grade of rotary shaft rotating speed after demarcating.The demarcation of the appearance grid rotary shaft rotating speed tester of this example is implemented as follows: hold the grid grid and count N=200; Tester counting circuit crystal oscillator frequency is f=1MHZ, and rotating speed Y span is 100～2500 rev/mins, and test circuit converts the tach signal of capacitor grid transducer collection into relevant with it sine wave; Counting circuit calculates sine wave freuqency and output; Therefore, that test circuit is exported is sine wave freuqency X, and its value is relevant with the selected crystal oscillator frequency of test circuit.According to above demarcating steps or process, in 100～2500 rev/mins the range of speeds, get 100,500,1000,1500,2000,2500 rev/mins successively as setting tachometer value Y, tester is corresponding to obtain six output valve X.It is as shown in the table to obtain nominal data:
Figure DEST_PATH_GSB00000776355800091
Six groups of data Y, X obtaining are used least square fitting, obtain curve mathematic(al) representation Y=0.005025X after the match, wherein make J=0.005025 (commentaries on classics/pulse), promptly J is tester sensitivity.After demarcating, can obtain the tachometer value Y of turning axle by test circuit output valve X and J value.II. can be used as after this routine appearance grid rotary shaft rotating speed tester is demarcated and be calibrated part; On this routine calibration system, calibrate, its calibration steps or calibration process have: 1.. and the appearance grid rotary shaft rotating speed tester that is calibrated part is installed in this calibration system according to alignment requirements; 2.. detect calibrated section and install, be connected whether correct, reliable with the appearance grid rotary shaft rotating speed tester that is calibrated part; 3.. starter motor 1, control turning axle 17 rotates, and produces nominal speed, and measures the actual speed of turning axle with holding grid rotary shaft rotating speed tester; 4.. according to alignment requirements, repeat 3.. step or process, the rotating speed of change turning axle 17 obtains calibrating with the nominal speed of a series of turning axles and corresponding with it actual measurement rotating speed; 5.. actual measurement rotating speed and nominal speed compare, and can realize being calibrated the instrument or the device of test rotary shaft rotating speed partly--hold the calibration of grid rotary shaft rotating speed tester.The data processing of the calibration of the rotary shaft rotating speed that this is routine, calculating can be performed as follows: the rotating speed of establishing the motor measurement is n, rmin -1, calibration coefficient k=nominal value/n, absolute error=measurement result-nominal value, described absolute error represent that measured value departs from the size of nominal value.Measurement result is the mean value of many group measured values, measures usually more than five groups.Relative error=(absolute error/measurement result) x100%, relative error, it is the ratio of absolute error and measured value or the mean value repeatedly measured.Fiducial error r mBe meant the value of the absolute error of surveying instrument, i.e. r divided by the full scale value gained of instrument m=Δ x/x m* 100%, Δ x representes the absolute error of surveying instrument, x mThe full scale value of expression surveying instrument, the normally range of testing tool.Measured value and nominal value contrast, and can obtain being calibrated the precision of appearance grid rotary shaft rotating speed tester partly, simultaneously sensitivity correction are improved measuring accuracy.The calibration steps of the appearance grid rotary shaft rotating speed tester of this example is implemented as follows: the appearance grid rotary shaft rotating speed tester to having demarcated carries out above-mentioned calibration steps or calibration process, obtains calibrating the nominal speed of used a series of turning axles and the actual measurement rotating speed of correspondence is as shown in the table with it:
Figure DEST_PATH_GSB00000776355800101
Absolute error Δ x is meant measured value x and true value x 0Poor, can be expressed as absolute error=measured value-true value, i.e. Δ x=x-x 0, in above calibration process, measured value x is the actual measurement rotating speed, true value x 0It is nominal speed; Fiducial error r mBe meant the value of the absolute error of surveying instrument, i.e. r divided by the full scale value gained of instrument m=Δ x/x m* 100%.In the formula, Δ x representes the absolute error of surveying instrument; x mThe full scale value of expression surveying instrument, the normally range of testing tool.The accuracy class index a of GB regulation test instrumentation is divided into 0.1,0.2,0.5; 1.0,1.5,2.5; 5.0 totally 7 grades, its maximum fiducial error is no more than accuracy of instrument class index a percentage, according to this definition; The appearance grid rotary shaft rotating speed tester range that more than is calibrated is 2500 rev/mins, and the maximum fiducial error of above calibration process is 1.448%, so this accuracy class that is calibrated instrument or device is 1.5 grades.
Embodiment two. the turning axle calibration system
This routine turning axle calibration system structure available Fig. 1 substantially illustrates not repeating described in the structure of this calibration system such as the embodiment one.The rotary shaft rotating speed calibration system difference of rotary shaft rotating speed calibration system that this is routine and embodiment one has: 1. the instrument or the device of the measurement rotary shaft rotating speed that is calibrated part of rotary shaft rotating speed calibration system that should example are grating rotating axle measurement of rotating speed appearance, and the structure of this grating rotating axle measurement of rotating speed appearance is following: be made up of light source one, grating one, photoelectric apparatus one, counting circuit and display circuit etc.Be installed on the turning axle 17 grating one and turning axle 17 coaxial cables; Light source one and photoelectric apparatus one positive alignment grating one ground are arranged on grating side (to the tubular grating) or both sides (to the pie grating, also positive alignment is better with photoelectric apparatus one for light source one) and be installed on the support 9 one by one.Photoelectric apparatus one output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, more than these test circuits can design realization with public technology, these test circuit settings or be installed on the support 9.When system moved, light source one was worked with photoelectric apparatus one simultaneously.When turning axle 17 rotated, grating one was with its rotation, and light source one and photoelectric apparatus one transfixion.Along with the rotation of grating one, will produce light and dark light like this, photoelectric apparatus one receives light; Just convert light signal to electric signal; Mingguang City line output high level, therefore half-light line output low level exports the test pulse of a succession of representative rotary shaft rotating speed.2. the grating rotating axle measurement of rotating speed appearance that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.The demarcating steps or the calibration process of the calibration system that this is routine are: 1.. when this routine calibration system is carried out the rotating speed timing signal to grating rotating axle measurement of rotating speed appearance; The knob 2 of turn motor 1 will show on the display panel 3 of motor 1 that setting tachometer value for one gives the test circuits such as light source one, grating one, photoelectric apparatus one, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the grating rotating axle measurement of rotating speed appearance on support 9 grades.2.. starter motor 1 is by setting the tachometer value rotation, and turning axle 17 will provide the turning axle 17 of a motor 1 to measure tachometer value to the test circuits such as light source one, grating one, photoelectric apparatus one, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the grating rotating axle measurement of rotating speed appearance on support 9 grades.3.. repeat 1.., 2.. step or process; Grating rotating axle measurement of rotating speed appearance to being installed on support 9 grades provides many groups to demarcate and the turning axle 17 tachometer value data of measuring; Need demarcate and the tachometer value data processing of measuring 5 groups (or many groups) by demarcating regulation, thereby grating rotating axle measurement of rotating speed appearance is demarcated.3. can be used as after this routine grating rotating axle measurement of rotating speed appearance is demarcated and be calibrated part; On this routine calibration system, calibrate; Its calibration steps or calibration process have: 1.. starter motor 1; Control turning axle 17 rotates, and produces nominal speed, and measures the actual speed of turning axle 17 with light source one, grating one, photoelectric apparatus one, differential pulse-width modulation circuit, counting circuit and the display circuit etc. of grating rotary shaft rotating speed tester; 2.. according to alignment requirements; Repeat 1.. step or process; Change the rotating speed of turning axle 17, grating rotating axle measurement of rotating speed appearance obtains calibrating with the nominal speed of a series of turning axles 17 and corresponding with it actual measurement rotating speed, calibrates as adopting calibration and 5 groups of tachometer values measuring; 3.. compare the calibration of rotary shaft rotating speed actual measurement rotating speed and nominal speed; And carry out data processing, calculating according to the calibration way among the embodiment one, can realize being calibrated instrument or device--the calibration of grating rotating axle measurement of rotating speed appearance of the test rotary shaft rotating speed of part.All the other do not state this routine turning axle calibration system, are same as entirely described in the embodiment one, no longer repeat.
Embodiment three. the turning axle calibration system
This routine turning axle calibration system structure available Fig. 1 substantially illustrates not repeating described in the structure of this calibration system such as the embodiment one.The rotary shaft rotating speed calibration system difference of rotary shaft rotating speed calibration system that this is routine and embodiment one, embodiment two has: 1. the instrument or the device of the measurement rotary shaft rotating speed that is calibrated part of rotary shaft rotating speed calibration system that should example are Hall rotary shaft rotating speed testers, and the structure of this Hall rotary shaft rotating speed tester is made up of test circuits such as magnet, Hall element, counting circuit and display circuits.Be attached to magnet on the turning axle 17, the probe positive alignment magnet of Hall element also is installed on the support 9.The Hall element output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, more than these test circuits can design realization with public technology, these test circuit settings or be installed on the support 9.When turning axle 17 rotated, magnet rotated with it, and the Hall element transfixion.Along with the rotation of magnet, Hall element will be exported the pulse of a succession of test rotary shaft rotating speed like this.2. the Hall rotary shaft rotating speed tester that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.The demarcating steps or the calibration process of the calibration system that this is routine are: 1.. when this routine calibration system carries out the rotating speed timing signal to Hall rotary shaft rotating speed tester; The knob 2 of turn motor 1 will show on the display panel 3 of motor 1 that setting tachometer value for one gives the test circuits such as magnet, Hall element, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the Hall rotary shaft rotating speed tester of being demarcated part on support 9 grades.2.. starter motor 1 is by setting the tachometer value rotation, and turning axle 17 will provide the turning axle 17 of a motor 1 to measure tachometer value to the test circuits such as magnet, Hall element, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the Hall rotary shaft rotating speed tester on support 9 grades.3.. repeat 1.., 2.. step or process; Hall rotary shaft rotating speed tester to being installed on support 9 grades provides many groups to demarcate and the turning axle 17 tachometer value data of measuring; Need demarcate and the tachometer value data processing of measuring 5 groups (or many groups) by demarcating regulation, thereby Hall rotary shaft rotating speed tester is demarcated.3. can be used as after this routine Hall rotary shaft rotating speed tester is demarcated and be calibrated part; On this routine calibration system, calibrate; Its calibration steps or calibration process have: 1.. starter motor 1; Control turning axle 17 rotates, and produces nominal speed, and measures the actual speed of turning axle 17 with magnet, Hall element, differential pulse-width modulation circuit, counting circuit and the display circuit etc. of Hall rotary shaft rotating speed tester; 2.. according to alignment requirements; Repeat 1.. step or process; Change the rotating speed of turning axle 17, Hall rotary shaft rotating speed tester obtains calibrating with the nominal speed of a series of turning axles 17 and corresponding with it actual measurement rotating speed, calibrates as adopting calibration and 5 groups of tachometer values measuring; 3.. compare the calibration of rotary shaft rotating speed actual measurement rotating speed and nominal speed; And carry out data processing, calculating according to the calibration way among the embodiment one, can realize being calibrated instrument or device--the calibration of Hall rotary shaft rotating speed tester of the test rotary shaft rotating speed of part.All the other do not state this routine turning axle calibration system, are same as entirely described in embodiment one, the embodiment two, no longer repeat.
Embodiment four. the turning axle calibration system
This routine turning axle calibration system concrete structure can illustrate not repeating described in the structure of this calibration system such as the embodiment one with Fig. 1.The rotary shaft rotating speed calibration system difference of the rotary shaft rotating speed calibration system that this is routine and embodiment one～embodiment three has: 1. the instrument or the device of the measurement rotary shaft rotating speed that is calibrated part of rotary shaft rotating speed calibration system that should example are magnetic grid rotary shaft rotating speed testers.The structure of this magnetic grid rotary shaft rotating speed tester is made up of test circuits such as magnetic induction sensor one, differential pulse-width modulation circuit, counting circuit and display circuits.Magnetic induction sensor one is the picker of turning axle 17 measurement of rotating speed information, and it is made up of moving grid one and quiet grid one, and moving grid one is arranged on inner core one outer wall, and quiet grid one are arranged on urceolus one inwall, and urceolus one is with inner core one coaxial cable setting or be mounted to sleeve one.The input end of differential pulse-width modulation circuit connects with magnetic induction sensor one; Differential pulse-width modulation circuit output terminal connects with the counting circuit input end; The counting circuit output terminal connects with display circuit; More than these test circuits can design realization with public technology, these test circuit settings or be installed on the support 9.2. the magnetic grid rotary shaft rotating speed tester that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.The demarcating steps or the calibration process of the calibration system that this is routine are: 1.. when this routine calibration system is carried out the rotating speed timing signal to magnetic grid rotary shaft rotating speed tester; The knob 2 of turn motor 1 will show on the display panel 3 of motor 1 that setting tachometer value for one gives the test circuits such as magnetic induction sensor one, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the magnetic grid rotary shaft rotating speed tester of being demarcated part on support 9 grades.2.. starter motor 1 is by setting the tachometer value rotation, and turning axle 17 will provide the turning axle 17 of a motor 1 to measure tachometer value to the test circuits such as magnetic induction sensor one, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the magnetic grid rotary shaft rotating speed tester on support 9 grades.3.. repeat 1.., 2.. step or process; Magnetic grid rotary shaft rotating speed tester to being installed on support 9 grades provides many groups to demarcate and the turning axle 17 tachometer value data of measuring; Need demarcate and the tachometer value data processing of measuring 5 groups (or many groups) by demarcating regulation, thereby magnetic grid rotary shaft rotating speed tester is demarcated.3. can be used as after this routine magnetic grid rotary shaft rotating speed tester is demarcated and be calibrated part; On this routine calibration system, calibrate; Its calibration steps or calibration process have: 1.. starter motor 1; Control turning axle 17 rotates, and produces nominal speed, and measures the actual speed of turning axle 17 with the magnetic induction sensor one of magnetic grid rotary shaft rotating speed tester, differential pulse-width modulation circuit, counting circuit and display circuit etc.; 2.. according to alignment requirements; Repeat 1.. step or process; Change the rotating speed of turning axle 17, magnetic grid rotary shaft rotating speed tester obtains calibrating with the nominal speed of a series of turning axles 17 and corresponding with it actual measurement rotating speed, calibrates as adopting 5 groups of tachometer values demarcating with measuring; 3.. compare the calibration of rotary shaft rotating speed actual measurement rotating speed and nominal speed; And carry out data processing, calculating according to the calibration way among the embodiment one, can realize being calibrated instrument or device--the calibration of magnetic grid rotary shaft rotating speed tester of the test rotary shaft rotating speed of part.All the other do not state this routine turning axle calibration system, are same as entirely described in embodiment one～embodiment three, no longer repeat.
Embodiment five. the turning axle calibration system
This routine turning axle calibration system structure available Fig. 1 substantially illustrates not repeating described in the structure of this calibration system such as the embodiment one.The rotary shaft rotating speed calibration system difference of the rotary shaft rotating speed calibration system that this is routine and embodiment one～embodiment four has: 1. the instrument or the device of the measurement rotary shaft rotating speed that is calibrated part of rotary shaft rotating speed calibration system that should example are infrared rotary shaft rotating speed testers.The structure of this infrared rotary shaft rotating speed tester is made up of test circuits such as infrared light supply, code-disc, infrared receiver component, counting circuit and display circuits.Be installed on the turning axle 17 code-disc and turning axle 17 coaxial cables, be arranged on code-disc both sides (to the pie code-disc, infrared light supply and infrared receiver component also positive alignment are better) infrared light supply and infrared receiver component positive alignment code-disc and be installed on the support 9.The infrared receiver component output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, more than these test circuits can design realization with public technology, these test circuit settings or be installed on the support 9.When system moved, infrared light supply and infrared receiver component were worked simultaneously.When turning axle 17 rotated, code-disc rotated with it, and infrared light supply and infrared receiver component transfixion.Along with the rotation of code-disc, will produce light and dark light like this.Infrared receiver component receives infrared ray, just converts infrared signal to electric signal, Mingguang City's line output high level, half-light line output low level, the pulse of therefore exporting a succession of test rotary shaft rotating speed.2. the infrared rotary shaft rotating speed tester that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.The demarcating steps or the calibration process of the calibration system that this is routine are: 1.. when this routine calibration system is carried out the rotating speed timing signal to infrared rotary shaft rotating speed tester; The knob 2 of turn motor 1 will show on the display panel 3 of motor 1 that setting tachometer value for one gives the test circuits such as infrared light supply, code-disc, infrared receiver component, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the infrared rotary shaft rotating speed tester of being demarcated part on support 9 grades.2.. starter motor 1 is by setting the tachometer value rotation, and turning axle 17 will provide the turning axle 17 of a motor 1 to measure tachometer value to the test circuits such as infrared light supply, code-disc, infrared receiver component, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the infrared rotary shaft rotating speed tester on support 9 grades.3.. repeat 1.., 2.. step or process; Infrared rotary shaft rotating speed tester to being installed on support 9 grades provides many groups to demarcate and the turning axle 17 tachometer value data of measuring; Need demarcate and the tachometer value data processing of measuring 5 groups (or many groups) by demarcating regulation, thereby infrared rotary shaft rotating speed tester is demarcated.3. can be used as after the infrared rotary shaft rotating speed tester of this example is demarcated and be calibrated part; On this routine calibration system, calibrate; Its calibration steps or calibration process have: 1.. starter motor 1; Control turning axle 17 rotates, and produces nominal speed, and measures the actual speed of turning axle 17 with infrared light supply, code-disc, infrared receiver component, differential pulse-width modulation circuit, counting circuit and the display circuit etc. of infrared rotary shaft rotating speed tester; 2.. according to alignment requirements; Repeat 1.. step or process; Change the rotating speed of turning axle 17, infrared rotary shaft rotating speed tester obtains calibrating with the nominal speed of a series of turning axles 17 and corresponding with it actual measurement rotating speed, calibrates as adopting 5 groups of tachometer values demarcating with measuring; 3.. compare the calibration of rotary shaft rotating speed actual measurement rotating speed and nominal speed; And carry out data processing, calculating according to the calibration way among the embodiment one, can realize being calibrated instrument or device--the calibration of infrared rotary shaft rotating speed tester of the test rotary shaft rotating speed of part.All the other do not state this routine turning axle calibration system, are same as entirely described in embodiment one～embodiment four, no longer repeat.
Embodiment six. the turning axle calibration system
This routine turning axle calibration system structure available Fig. 1 substantially illustrates not repeating described in the structure of this calibration system such as the embodiment one.The rotary shaft rotating speed calibration system difference of the rotary shaft rotating speed calibration system that this is routine and embodiment one～embodiment five has: 1. the instrument or the device of the measurement rotary shaft rotating speed that is calibrated part of rotary shaft rotating speed calibration system that should example are photoelectricity rotary shaft rotating speed testers.The structure of this photoelectricity rotary shaft rotating speed tester is made up of test circuits such as light source, code-disc, photoelectric apparatus, counting circuit and display circuits.The photoelectric apparatus output terminal connects with the counting circuit input end, and the counting circuit output terminal connects with display circuit, more than these test circuits can design realization with public technology, these test circuit settings or be installed on the support 9.Be installed on the turning axle 17, light source and photoelectricity are arranged on code-disc both sides (to the pie code-disc, light source and photoelectric apparatus also positive alignment are better) with receiving first positive alignment code-disc and are installed on the support 9 code-disc and turning axle 17 coaxial cables.When system moved, light source and photoelectric apparatus were worked simultaneously.When turning axle 17 rotated, code-disc rotated with it, and light source and photoelectric apparatus transfixion.Along with the rotation of code-disc, will produce light and dark light like this.Photoelectric apparatus receives light, just converts light signal to electric signal, Mingguang City's line output high level, and therefore half-light line output low level exports the test pulse of a succession of representative rotary shaft rotating speed.2. the photoelectricity rotary shaft rotating speed tester that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.The demarcating steps or the calibration process of the calibration system that this is routine are: 1.. when this routine calibration system is carried out the rotating speed timing signal to photoelectricity rotary shaft rotating speed tester; The knob 2 of turn motor 1 will show on the display panel 3 of motor 1 that setting tachometer value for one gives the test circuits such as light source, code-disc, photoelectric apparatus, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the photoelectricity rotary shaft rotating speed tester that is calibrated part on support 9 grades.2.. starter motor 1 is by setting the tachometer value rotation, and turning axle 17 will provide the turning axle 17 of a motor 1 to measure tachometer value to the test circuits such as light source, code-disc, photoelectric apparatus, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the photoelectricity rotary shaft rotating speed tester on support 9 grades.3.. repeat 1.., 2.. step or process; Photoelectricity rotary shaft rotating speed tester to being installed on support 9 grades provides many groups to demarcate and the turning axle 17 tachometer value data of measuring; Need demarcate and the tachometer value data processing of measuring 5 groups (or many groups) by demarcating regulation, thereby photoelectricity rotary shaft rotating speed tester is demarcated.3. can be used as after this routine photoelectricity rotary shaft rotating speed tester is demarcated and be calibrated part; On this routine calibration system, calibrate; Its calibration steps or calibration process have: 1.. starter motor 1; Control turning axle 17 rotates, and produces nominal speed, and measures the actual speed of turning axle 17 with light source, code-disc, photoelectric apparatus, differential pulse-width modulation circuit, counting circuit and the display circuit etc. of photoelectricity rotary shaft rotating speed tester; 2.. according to alignment requirements; Repeat 1.. step or process; Change the rotating speed of turning axle 17, photoelectricity rotary shaft rotating speed tester obtains calibrating with the nominal speed of a series of turning axles 17 and corresponding with it actual measurement rotating speed, calibrates as adopting 5 groups of tachometer values demarcating with measuring; 3.. compare the calibration of rotary shaft rotating speed actual measurement rotating speed and nominal speed; And carry out data processing, calculating according to the calibration way among the embodiment one, can realize being calibrated instrument or device--the calibration of photoelectricity rotary shaft rotating speed tester of the test rotary shaft rotating speed of part.All the other do not state this routine turning axle calibration system, are same as entirely described in embodiment one～embodiment five, no longer repeat.
Embodiment seven. the turning axle calibration system
This routine turning axle calibration system concrete structure available Fig. 1 substantially illustrates not repeating described in the structure of this calibration system such as the embodiment one.The rotary shaft rotating speed calibration system difference of the rotary shaft rotating speed calibration system that this is routine and embodiment one～embodiment six has: 1. the instrument or the device of the measurement rotary shaft rotating speed that is calibrated part of rotary shaft rotating speed calibration system that should example are photoelectric encoder rotary shaft rotating speed testers.The structure of this photoelectric encoder rotary shaft rotating speed tester is made up of test circuits such as photoelectric encoder, counting circuit and display circuits.Photoelectric encoder is integrated by light source, code-disc, photoelectric apparatus; The photoelectric apparatus output terminal of photoelectric encoder connects with the counting circuit input end; The counting circuit output terminal connects with display circuit; More than these test circuits can design realization with public technology, these test circuit settings or be installed on the support 9.Be installed on the turning axle photoelectric encoder and turning axle 17 coaxial cables.When turning axle 17 rotated, the code-disc of photoelectric encoder rotated with turning axle, and the photoelectric encoder transfixion.Along with the rotation of code-disc, will produce the test pulse of a succession of representative rotary shaft rotating speed like this.2. the photoelectric encoder rotary shaft rotating speed tester that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.The demarcating steps or the calibration process of the calibration system that this is routine are: 1.. when this routine calibration system is carried out the rotating speed timing signal to photoelectric encoder rotary shaft rotating speed tester; The knob 2 of turn motor 1 will show on the display panel 3 of motor 1 that setting tachometer value for one gives the test circuits such as photoelectric encoder, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the photoelectric encoder rotary shaft rotating speed tester of being demarcated part on support 9 grades.2.. starter motor 1 is by setting the tachometer value rotation, and turning axle 17 will provide the turning axle 17 of a motor 1 to measure tachometer value to the test circuits such as photoelectric encoder, differential pulse-width modulation circuit, counting circuit and display circuit that are installed in the photoelectric encoder rotary shaft rotating speed tester on support 9 grades.3.. repeat 1.., 2.. step or process; The photoelectric encoder rotary shaft rotating speed tester of being demarcated part to being installed on support 9 grades provides many groups to demarcate and the turning axle 17 tachometer value data of measuring; Need demarcate and the tachometer value data processing of measuring 5 groups (or many groups) by demarcating regulation, thereby photoelectric encoder rotary shaft rotating speed tester is demarcated.3. can be used as after this routine photoelectric encoder rotary shaft rotating speed tester is demarcated and be calibrated part; On this routine calibration system, calibrate; Its calibration steps or calibration process have: 1.. starter motor 1; Control turning axle 17 rotates, and produces nominal speed, and measures the actual speed of turning axle 17 with the photoelectric encoder of photoelectric encoder rotary shaft rotating speed tester, differential pulse-width modulation circuit, counting circuit and display circuit etc.; 2.. according to alignment requirements; Repeat 1.. step or process; Change the rotating speed of turning axle 17, photoelectric encoder rotary shaft rotating speed tester obtains calibrating with the nominal speed of a series of turning axles 17 and corresponding with it actual measurement rotating speed, calibrates as adopting 5 groups of tachometer values demarcating with measuring; 3.. compare the calibration of rotary shaft rotating speed actual measurement rotating speed and nominal speed; And carry out data processing, calculating according to the calibration way among the embodiment one, can realize being calibrated instrument or device--the calibration of photoelectric encoder rotary shaft rotating speed tester of the test rotary shaft rotating speed of part.All the other do not state this routine turning axle calibration system, are same as entirely described in embodiment one～embodiment six, no longer repeat.
Second portion. the embodiment of turning axle phase differential calibration system
Embodiment one. turning axle phase differential calibration system
This turning axle phase differential calibration system of this example; The instrument or the device that are used for calibration measurement turning axle phase differential; This turning axle phase differential calibration system concrete structure can illustrate with Fig. 1; This calibration system includes: a motor 1 and the motor shaft 16 that drives thereof, the front end of motor shaft 16 and turning axle 17 are connected on the coaxial cable through shaft coupling 5-6.The fixing support 9 of turning axle 17, the middle part of turning axle 17 is as be provided with or be installed on the support 9 through bearing one (20) rotationally.Sleeve one also is installed on the support 9, and sleeve one is made up of with the inner core one (19) that leans on servo-actuated cover one (7) to be installed on the turning axle 17 urceolus one (18) that is installed on the support 9.Positioning seat 12 is as be provided with or be installed in turning axle 17 rear ends through bearing two (23) rotationally; Be provided with or be installed together through positioning seat 12 turning axles, 17 rear ends and minor axis 13 front end coaxial cable ground; Minor axis 13 front ends are connected with positioning seat 12, and the tail end of minor axis 13 is connected with dividing head pawl 24.The sleeve of installing on the positioning seat 12 two is made up of with the inner core two (22) that leans on servo-actuated cover two (11) to be installed on the turning axle 17 urceolus two (21) that is installed on the positioning seat 12.The part that is calibrated of this example is to measure the instrument or the device of turning axle phase differential--hold grid turning axle phase test appearance.This structure of holding grid turning axle phase differential tester is made up of test circuits such as the picker-capacitor grid transducer one and two of turning axle phase differential detecting information, differential pulse-width modulation circuit, counting circuit and display circuits.Capacitor grid transducer one is made up of moving grid one and quiet grid one, and moving grid one is arranged on inner core one (19) outer wall, and quiet grid one are arranged on urceolus one (18) inwall, and urceolus one (18) is coaxially set with inner core one (19) or is mounted to sleeve one.Capacitor grid transducer two is made up of moving grid two and quiet grid two, and moving grid two is arranged on inner core two (22) outer walls, and quiet grid two are arranged on urceolus two (21) inwalls, and urceolus two (21) is coaxially set with inner core two (22) or is mounted to sleeve two.The input end of differential pulse-width modulation circuit connects with capacitor grid transducer one, capacitor grid transducer two respectively; Differential pulse-width modulation circuit output terminal connects with the counting circuit input end; The counting circuit output terminal connects with display circuit; More than these test circuits can design realization with public technology, these test circuits (8) are provided with or are installed on the support 9.The calibration steps or the calibration process of this calibration system at first are: this appearance grid rotary shaft rotating speed tester that is calibrated part wants advanced rower fixed, demarcates and adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.Demarcating steps that this is routine or calibration process are under turning axle 17 rotates, to demarcate: 1.. when this calibration system is carried out the phase differential timing signal to holding grid turning axle phase test appearance; The instrument of at first mounted measured turning axle phase differential or device--the sleeve that holds grid turning axle phase test appearance has a phase differential between the two once, sleeve two; Its two signals that draw of cover test circuits have an initial phase difference x, thereby this phase differential provides a high-precision phase signal promptly to demarcate phase difference value to the appearance grid turning axle phase test appearance on rack-mount, the sleeve one, on the sleeve two.2.. the knob 2 of turn motor 17; Will show on the display panel 3 of motor 1 that is set a tachometer value; Starter motor 1 is by setting the tachometer value rotation, note this settings tachometer value two in turning axle 17 upper bushes one and sleeve the phase difference measurement value to be installed on the support 9, on the sleeve one, the appearance grid turning axle phase test appearance on the sleeve two.3.. by 1.., 2.. step or process make be installed on the support 9, on the sleeve one, the appearance grid turning axle phase test appearance on the sleeve two will obtain the phase data of one group of high-precision demarcation and measurement; 4.. rotation dividing head 14; Corner dx of urceolus rotation of control sleeve two; Make sleeve two urceolus and the relative turn of inner core a phasing degree; Such two signals of drawing of cover test circuits just have the new changes delta x of a phase differential, make sleeve one, two in sleeve that a new phase differential arranged again, thus this phase differential provide another high-precision phase signal promptly demarcate phase difference value to be installed on the support 9, appearance grid turning axle phase test appearance on the sleeve one, on the sleeve two.5.. 4.. repeat 4. under step or the process., 2.., 3.. step or process; Make and hold the phase datas that grid turning axle phase test appearance has obtained many groups of demarcation and measured; Need handle the many groups of phase datas of demarcating and measuring by demarcating regulation, thereby to measuring the instrument or the device of turning axle phase differential--hold grid turning axle phase test appearance and demarcate.The above-mentioned demarcating steps of this example or calibration process 1.., 2.., 3.. in; To each sleeve one, sleeve two phase differential between the two, just provide one group to demarcate and the phase difference value of measuring to the appearance grid turning axle phase test appearance of being demarcated when opening motor 1 rotation.Range according to demarcating phase differential can minimumly be divided into 5 groups; This example is divided into 5 groups by range, repeats 4.., 2.., 3.. demarcating steps or calibration process obtain holding the demarcation of grid turning axle phase test instrument circuit output and 5 groups of phase difference values of measurement; These 5 groups of data are passed through least square fitting; Obtain straight line, this straight slope is sensitivity, promptly to by calibrating instrument or device--and hold grid turning axle phase test appearance test phase difference and demarcate.Hold grid turning axle phase test appearance and have sensitivity through demarcating the back, the appearance grid turning axle phase test appearance of being demarcated is exported sensitivity therewith according to test or data measured and is multiplied each other and can calculate the value of phase differential (or moment of torsion).The appearance grid turning axle phase test appearance of being demarcated is through having labeled rating or the stated accuracy or the different accuracy grade of turning axle phase differential (or moment of torsion) after demarcating.The demarcation of the appearance grid turning axle phase differential tester of this example is implemented as follows: hold the grid grid and count N=200; The rotating speed span is 100～2500 rev/mins; 0.1 ° of-0.4 ° of conduct of corner Y span offers the phase signal of tester, and the counting circuit crystal oscillator frequency is f=10MHZ, and the tach signal that test circuit is gathered capacitor grid transducer one, two converts relevant with it pulse signal A, B respectively into; Counting circuit provides the time difference of pulse signal A, B rising edge; Therefore, that test circuit is exported is the pulse number X that two groups of capacitor grid transducers produce because of phase difference, and its value is relevant with the selected crystal oscillator frequency of test circuit.Invariablenes turning speed is (500/3) rev/min, and dividing head is rotated 0.1,0.15,0.2,0.25,0.3,0.4 degree successively, and as demarcating settings Y, revolution is moving once demarcates and obtain corresponding circuit output X according to above step or process.It is as shown in the table to obtain nominal data:
Y (degree) 0.1 0.15 0.2 0.25 0.3 0.4
X (individual/pulse) 99 151 202 249 301 399
Six groups of data X, Y obtaining are used the least square fitting curve; Obtain curve mathematic(al) representation Y=0.001X; Make K=0.001 (degree pulse/individual), promptly K is the sensitivity of tester phase differential, can obtain phase difference value Y through demarcating by test circuit output valve X and K value.Can be used as after this routine appearance grid rotary shaft rotating speed tester is demarcated and be calibrated part; Calibrating on this routine calibration system: calibration under turning axle rotates, its calibration steps or calibration process have: 1.. be calibrated the instrument or the device of the test turning axle phase differential of part--and hold grid turning axle phase test appearance and be installed in this calibration system according to alignment requirements; 2.. detect calibrated section with the installation of holding grid turning axle phase test appearance, is connected correctly, reliably; 3.. rotate dividing head handle 25 and make dividing head pawl 24 drive urceolus two rotations; A phasing degree be can produce,, thereby urceolus one and phase differential x of urceolus two the two generations made because urceolus one is motionless; Nominal phase difference as calibration; Starter motor 1, control turning axle 17 rotates, and is calibrated part appearance grid turning axle phase test appearance and measures urceolus one and urceolus two the two actual phase differences at this moment; 4.. according to alignment requirements, repeat 3.. step or process, rotation dividing head 14, the phase differential that change urceolus one and urceolus are two, starter motor 1, control turning axle 17 rotates, and obtains calibrating with a series of nominal phase differences and corresponding with it measured phase difference; 5.. measured phase difference and nominal phase difference compare, and can realize being calibrated the instrument of test turning axle phase differential partly or the calibration of device-appearance grid turning axle phase test appearance.The calibration data of described phase differential is handled, calculated and can be performed as follows: the angle of establishing dividing head 14 rotations is ω; Calibration coefficient k=nominal value/ω; Absolute error=measurement result-nominal value, described absolute error represent that measured value departs from the size of standard value.Measurement result is the mean value of many group measured values, measures usually more than five groups.Relative error=(absolute error/measurement result) x100%, relative error, it is the ratio of absolute error and measured value or the mean value repeatedly measured.Fiducial error r mBe meant the value of the absolute error of surveying instrument, i.e. r divided by the full scale value gained of instrument m=Δ x/x m* 100%, Δ x representes the absolute error of surveying instrument, x mThe full scale value of expression surveying instrument, the normally range of testing tool.The nominal value contrast of measured value and calibration system can obtain being calibrated appearance grid rotary shaft rotating speed tester precision partly, simultaneously sensitivity correction is improved measuring accuracy.The calibration steps of the appearance grid turning axle phase differential tester of this example is implemented as follows: the appearance grid turning axle phase differential tester to having demarcated carries out above-mentioned calibration steps or calibration process, obtains calibrating the nominal angle of rotation of used a series of turning axles and the actual measurement corner of correspondence is as shown in the table with it:
Figure DEST_PATH_GSB00000776355800201
Absolute error Δ x is meant measured value x and true value x 0Poor, can be expressed as absolute error=measured value-true value, i.e. Δ x=x-x 0, in above calibration process, measured value x is the actual measurement rotating speed, true value x 0It is nominal speed; Fiducial error r mBe meant the value of the absolute error of surveying instrument, i.e. r divided by the full scale value gained of instrument m=Δ x/x m* 100%.In the formula, Δ x representes the absolute error of surveying instrument; x mThe full scale value of expression surveying instrument, the normally range of testing tool.The accuracy class index a of GB regulation test instrumentation is divided into 0.1,0.2,0.5,1.0; 1.5,2.5,5.0 totally 7 grades; Its maximum fiducial error is no more than accuracy of instrument class index a percentage, and this is calibrated instrument or installs maximum fiducial error is 1.25%, and promptly accuracy class is 1.5.
Embodiment two. turning axle phase differential calibration system
This routine turning axle phase differential calibration system structure available Fig. 1 substantially illustrates not repeating described in the structure of this calibration system such as the embodiment one.The turning axle phase differential calibration system difference of turning axle phase differential calibration system that this is routine and embodiment one has: 1. the instrument or the device of the measurement turning axle phase differential that is calibrated part of turning axle phase differential calibration system that should example are grating rotating axle phase test appearance, and this routine grating rotating axle phase test appearance is made up of test circuits such as light source one and two, grating one and two, photoelectric apparatus one and two, counting circuit and display circuits.Photoelectric apparatus one and two output terminal connect with the counting circuit input end respectively; The counting circuit output terminal connects with display circuit; More than these test circuits can design realization with public technology, these test circuit settings of grating rotating axle phase test appearance or be installed on the support 9.Be installed on the turning axle 17 grating one and turning axle 17 coaxial cables; Light source one and photoelectric apparatus one positive alignment grating one ground are arranged on grating side (to the tubular grating) or both sides (to the pie grating, also positive alignment is better with photoelectric apparatus one for light source one) and be installed on the support 9 one by one.Be installed on the turning axle 17 grating two and turning axle 17 coaxial cables; Light source two is arranged on grating 21 sides (to the tubular grating) with photoelectric apparatus two positive alignment gratings two ground or both sides (are directed against the pie grating; Also positive alignment is better with photoelectric apparatus two for light source two) and be installed on the positioning seat 12, positioning seat 12 is connected with dividing head 14 through minor axis 13.When system moved, light source one was worked with photoelectric apparatus one simultaneously.When turning axle 17 rotated, grating one was with its rotation, and on light source one and photoelectric apparatus one fixed support 9 and transfixion.Along with the rotation of grating one, will produce light and dark light like this.Photoelectric apparatus one receives light, just converts light signal to electric signal, Mingguang City's line output high level, and therefore half-light line output low level exports a succession of test pulse one.When system moved, light source two was worked with photoelectric apparatus two simultaneously.When turning axle 17 rotated, grating two was with its rotation, and light source two is fixed on the positioning seat 12 and transfixion with photoelectric apparatus two.Along with the rotation of grating two, will produce light and dark light like this.Photoelectric apparatus two receives light, just converts light signal to electric signal, Mingguang City's line output high level, and therefore half-light line output low level exports a succession of test pulse two.Because photoelectric apparatus one is installed on the support 9, photoelectric apparatus two is installed on the positioning seat 12, and pulse 1 will produce the turning axle phase signal with pulse 2, note down through grating rotating axle phase differential tester respectively.2. the grating rotating axle phase differential tester that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.Demarcating steps or calibration process that this is routine are: under turning axle 17 rotates, demarcate: 1.. when this calibration system is carried out the phase differential timing signal to grating rotating axle phase differential tester; The grating of the instrument of at first mounted measured turning axle phase differential or device--grating rotating axle phase differential tester once, two a phase differential is arranged between the two; The signal that draws of photoelectric apparatus one, two of its two cover test circuits has an initial phase difference x, thus this phase differential provide a high-precision phase signal promptly demarcate phase difference value to be installed on the support 9, the grating rotating axle phase differential tester of being demarcated part on the positioning seat 12.2.. the knob 2 of turn motor 1; Will show on the display panel 3 of motor 1 that is set a tachometer value; Starter motor 1 is by setting the tachometer value rotation, the phase difference measurement value of noting one, two of photoelectric apparatus on the turning axle 17 of this settings tachometer value to be installed on the support 9, grating rotating axle phase differential tester on the positioning seat 12.3.. by 1.., 2.. step or process make be installed on the support 9, phase data that the grating rotating axle phase differential tester on the positioning seat 12 will obtain one group of high-precision demarcation and measurement; 4.. rotation dividing head 14; Corner dx of control grating two rotations; The signal that draws once, two liang of cover test circuits through photoelectric apparatus has the new changes delta x of a phase differential; Make one, two of photoelectric apparatus obtain a new phase differential, thus this phase differential provide another high-precision phase signal promptly demarcate phase difference value to be installed on the support 9, grating rotating axle phase differential tester on the positioning seat 12.5.. 4.. repeat 4. under step or the process., 2.., 3.. step or process; Making grating rotating axle phase differential tester obtain many groups demarcates and the phase data of measuring; Need handle the many groups of phase datas of demarcating and measuring by demarcating regulation, thereby grating rotating axle phase differential tester is demarcated.3. can be used as after this routine grating rotating axle measurement of rotating speed appearance is demarcated and be calibrated part, on this routine calibration system, calibrate, its calibration steps or calibration process have: calibration under turning axle rotates; Its calibration steps or calibration process have: 1.. and rotate dividing head handle 25 and make dividing head pawl 24 drive grating two rotations; A phasing degree be can produce,, thereby grating one and phase differential x of grating two the two generations made because grating one is motionless; Nominal phase difference as calibration; Starter motor 1, control turning axle 17 rotates, and is calibrated part grating rotating axle phase test appearance and measures urceolus one and urceolus two the two actual phase differences at this moment; 2.. according to alignment requirements, repeat 1.. step or process, rotation dividing head 14, the phase differential that change grating one and grating are two, starter motor 1, control turning axle 17 rotates, and obtains calibrating with a series of nominal phase differences and corresponding with it measured phase difference; 3.. measured phase difference and nominal phase difference compare; Can realize being calibrated the calibration of grating rotating axle phase differential tester partly; Also can obtain being calibrated the precision of part-grating rotating axle phase differential tester, simultaneously sensitivity correction improved measuring accuracy.All the other do not state this routine turning axle phase differential calibration system, are same as entirely described in the embodiment one, no longer repeat.
Embodiment three. turning axle phase differential calibration system
This routine turning axle phase differential calibration system structure available Fig. 1 substantially illustrates not repeating described in the structure of this calibration system such as the embodiment one.The turning axle phase differential calibration system difference of turning axle phase differential calibration system that this is routine and embodiment one, embodiment two has: 1. the instrument or the device of the measurement turning axle phase differential that is calibrated part of turning axle phase differential calibration system that should example are magnetic grid turning axle phase differential testers.The structure of this magnetic grid turning axle phase differential tester is made up of test circuits such as the picker-magnetic induction sensor one and two of turning axle phase differential detecting information, differential pulse-width modulation circuit, counting circuit and display circuits.Magnetic induction sensor one is made up of moving grid one and quiet grid one, and moving grid one is arranged on inner core one outer wall, and quiet grid one are arranged on urceolus one inwall, and urceolus one is with inner core one coaxial cable setting or be mounted to sleeve one.Magnetic induction sensor two is made up of moving grid two and quiet grid two, and moving grid two is arranged on inner core two outer walls, and quiet grid two are arranged on urceolus two inwalls, and urceolus two is coaxially set with inner core two or is mounted to sleeve two.The input end of differential pulse-width modulation circuit connects with magnetic induction sensor one, magnetic induction sensor two respectively; Differential pulse-width modulation circuit output terminal connects with the counting circuit input end; The counting circuit output terminal connects with display circuit; More than these test circuits can design realization with public technology, these test circuit settings or be installed on the support 9.2. the magnetic grid turning axle phase differential tester that is calibrated part of this calibration system wants advanced rower fixed, and this demarcation adopts this calibration system to be undertaken by the demarcating steps or the calibration process of demarcating regulation.Demarcating steps or calibration process that this is routine are: under turning axle 17 rotates, demarcate: 1.. when this calibration system carries out the phase differential timing signal to magnetic grid turning axle phase differential tester; The sleeve of the instrument of at first mounted measured turning axle phase differential or device--magnetic grid turning axle phase differential tester has a phase differential between the two once, sleeve two; Its two signals that draw of cover test circuits have an initial phase difference x, thereby this phase differential provides a high-precision phase signal promptly to demarcate phase difference value to the magnetic grid turning axle phase differential tester of being demarcated part on rack-mount, the sleeve one, on the sleeve two.2.. the knob 2 of turn motor 17; Will show on the display panel 3 of motor 1 that is set a tachometer value; Starter motor 1 is by setting the tachometer value rotation, note this settings tachometer value two in turning axle 17 upper bushes one and sleeve the phase difference measurement value to be installed on the support 9, on the sleeve one, the magnetic grid turning axle phase differential tester on the sleeve two.3.. by 1.., 2.. step or process make be installed on the support 9, on the sleeve one, the magnetic grid turning axle phase differential tester on the sleeve two will obtain the phase data of one group of high-precision demarcation and measurement; 4.. rotation dividing head 14; Corner dx of urceolus rotation of control sleeve two; Make sleeve two urceolus and the relative turn of inner core a phasing degree; Such two signals of drawing of cover test circuits just have the new changes delta x of a phase differential, make sleeve one, two in sleeve that a new phase differential arranged again, thus this phase differential provide another high-precision phase signal promptly demarcate phase difference value to be installed on the support 9, magnetic grid turning axle phase differential tester on the sleeve one, on the sleeve two.5.. 4.. repeat 4. under step or the process., 2.., 3.. step or process; Making magnetic grid turning axle phase differential tester obtain many groups demarcates and the phase data of measuring; Need handle the many groups of phase datas of demarcating and measuring by demarcating regulation, thereby magnetic grid turning axle phase differential tester is demarcated.3. can be used as after this routine magnetic grid rotary shaft rotating speed tester is demarcated and be calibrated part, on this routine calibration system, calibrate, its calibration steps or calibration process have: calibration under turning axle rotates; Its calibration steps or calibration process have: 1.. and rotate dividing head handle 25 and make dividing head pawl 24 drive urceolus two rotations; A phasing degree be can produce,, thereby urceolus one and phase differential x of urceolus two the two generations made because urceolus one is motionless; Nominal phase difference as calibration; Starter motor 1, control turning axle 17 rotates, and is calibrated part magnetic grid turning axle phase differential tester and measures urceolus one and urceolus two the two actual phase differences at this moment; 2.. according to alignment requirements, repeat 1.. step or process, rotation dividing head 14, the phase differential that change urceolus one and urceolus are two, starter motor 1, control turning axle 17 rotates, and obtains calibrating with a series of nominal phase differences and corresponding with it measured phase difference; 3.. measured phase difference and nominal phase difference compare; Can realize being calibrated the calibration of magnetic grid turning axle phase test appearance partly; Also can obtain being calibrated the precision of part-magnetic grid turning axle phase differential tester, simultaneously sensitivity correction improved measuring accuracy.All the other do not state this routine turning axle phase differential calibration system, are same as entirely described in embodiment one, the embodiment two, no longer repeat.

Claims (4)

1. turning axle calibration system is used for the instrument or the device of calibration testing rotary shaft rotating speed, and be characterised in that: this calibration system includes: the turning axle of motor and driving thereof, the sleeve of installing on rotation shaft support and the support one is installed.
2. turning axle calibration system according to claim 1 is characterised in that:
A. the front end of described turning axle is connected on the coaxial cable through shaft coupling by motor shaft;
B. the middle part of described turning axle is provided with rotationally or is rack-mount;
C. the sleeve of installing on the described support one is made up of urceolus that is coaxially set or installs one and inner core one, and inner core one leans on servo-actuated cover one to be installed on the turning axle, and urceolus one is rack-mount.
3. turning axle phase differential calibration system; Be used for the instrument or the device of calibration testing turning axle phase differential, be characterised in that: this calibration system includes: the minor axis of installing on sleeve two, one division head and the dividing head pawl of installing on the positioning seat that install the sleeve of installing on the turning axle of motor and driving thereof, rotation shaft support and the support one, turning axle rear end, the positioning seat.
4. turning axle phase differential calibration system according to claim 3 is characterised in that:
A. the front end of described turning axle and motor shaft are connected on the coaxial cable through shaft coupling;
B. the middle part of described turning axle is provided with rotationally or is rack-mount; Positioning seat is provided with or is installed in the turning axle rear end rotationally, is provided with or is installed together through positioning seat turning axle rear end and minor axis front end coaxial cable ground, and the minor axis front end is connected with positioning seat, and the tail end of minor axis is connected with the dividing head pawl;
C. the sleeve of installing on the described support one is made up of urceolus that is coaxially set or installs one and inner core one, and inner core one leans on servo-actuated cover one to be installed on the turning axle, and urceolus one is rack-mount;
D. the sleeve of installing on the described positioning seat two is made up of urceolus that is coaxially set or installs two and inner core two, and inner core two leans on servo-actuated cover two to be installed on the turning axle, and urceolus two is installed on the positioning seat.
CN2011201902921U 2011-06-08 2011-06-08 Calibration system for rotating shaft and phase difference thereof Expired - Fee Related CN202305562U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221633A (en) * 2011-06-08 2011-10-19 中北大学 Phase difference calibration system for rotating shaft
CN106957009A (en) * 2017-05-12 2017-07-18 上海海事大学 A kind of electrical differential ship unloaders position detecting device
CN110919458A (en) * 2019-11-20 2020-03-27 深圳市翔通光电技术有限公司 Automatic calibration system and method for rotating shaft of numerical control machine tool
CN111545812A (en) * 2020-04-03 2020-08-18 东方电气集团东方电机有限公司 Method for machining large rotating shaft groove based on grating indexing closed-loop detection system
CN112683443A (en) * 2020-11-30 2021-04-20 哈尔滨工业大学 Air floatation type dynamic torque calibration device and calibration method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221633A (en) * 2011-06-08 2011-10-19 中北大学 Phase difference calibration system for rotating shaft
CN106957009A (en) * 2017-05-12 2017-07-18 上海海事大学 A kind of electrical differential ship unloaders position detecting device
CN106957009B (en) * 2017-05-12 2018-07-31 上海海事大学 A kind of electrical differential ship unloaders position detecting device
CN110919458A (en) * 2019-11-20 2020-03-27 深圳市翔通光电技术有限公司 Automatic calibration system and method for rotating shaft of numerical control machine tool
CN111545812A (en) * 2020-04-03 2020-08-18 东方电气集团东方电机有限公司 Method for machining large rotating shaft groove based on grating indexing closed-loop detection system
CN112683443A (en) * 2020-11-30 2021-04-20 哈尔滨工业大学 Air floatation type dynamic torque calibration device and calibration method

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