CN102331339B - Portable elevator speed limiter detection device and detection method for elevator speed limiter - Google Patents
Portable elevator speed limiter detection device and detection method for elevator speed limiter Download PDFInfo
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- CN102331339B CN102331339B CN201110155994.0A CN201110155994A CN102331339B CN 102331339 B CN102331339 B CN 102331339B CN 201110155994 A CN201110155994 A CN 201110155994A CN 102331339 B CN102331339 B CN 102331339B
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Abstract
The invention relates to a portable elevator speed limiter detection device and a detection method for an elevator speed limiter. A singlechip system is used for controlling an alternating-current servo motor, a drive wheel is driven to rotate according to a set acceleration, and the drive wheel drives a wheel disc of the elevator speed limiter to be detected to rotate to ensure that a linear speed of a pitch circle of the wheel disk of the speed limiter gradually raises; and the singlechip is used for receiving a pulse signal of one magnetic steel at the end face of the wheel disc of the speed limiter through a Hall switch, and the diameter of the pitch circle of the wheel disc of the speed limiter is combined so that the linear speed of the pitch circle of the wheel disc of the speed limiter can be calculated. When the singlechip controls the alternating-current servo motor to continuously accelerate, the rotating speed of the wheel disc of the speed limiter is higher and higher; and finally, the speed limiter generates limit action due to centrifugal force action, the wheel disc is blocked, and the singlechip locks the linear speed at the instant action of the speed limiter, thus the linear speed is a measurement result. The portable elevator speed limiter detection device has the advantages of reasonable structure design, high efficiency and good effect, and is simple and quick in operation.
Description
Technical field
The present invention relates to a kind of Portable elevator speed limiter testing device and the detection method to elevator governor thereof.
Background technology
Modern society is bringing into play more and more important effect as the elevator of vertical transportation instrument in people's work and life, and its security also receives publicity further.Elevator governor is the safety guarantee parts of the most critical in manned carrying elevator; its principle of work is when elevator occurs that fortuitous event glides at a high speed; once car speed reaches the maximal value that limiter of speed is set; limiter of speed just drives safety tongs action to make elevator stopping or deceleration; thereby assurance security of operation, avoids accident to occur.Therefore, the detection of elevator governor is important Interventions Requested that concern passenger and cargo security on elevator.The < < of State General Administration for Quality Supervision elevator supervision and inspection and periodic inspection rule---traction and forcibly driving elevator > > regulation, life cycle reaches limiter of speed 2 years, that responsiveness appearance is abnormal or that each regulator site envelope note is damaged, and its responsiveness should meet standard regulation.Detection to elevator governor, is exactly by the measurement of the geometric parameter of limiter of speed and operational factor and processing, judges that whether limiter of speed is qualified.
The detection mode of elevator governor has two kinds: dismounting censorship and the check of visiting.Because limiter of speed dismounting censorship is wasted time and energy, simultaneously dismounting and transportation also easily make limiter of speed be damaged, and affect its responsiveness, therefore, for some special occasions, as hospital, residential quarters etc., generally need proofer's detection of visiting.Along with increasing of skyscraper, the elevator governor quantity detecting of need to visiting every year increases severely.Although at present the domestic equipment that is used for detecting elevator governor is more, most apparatus structures are heavy, and complex structure, is not easy to carry, and is mainly used in the factory inspection of elevator governor.The existing portable speed limiter detector for visiting check, detection part is installed difficulty, between parts, connector is many, during detection, need many people to coordinate, every detection once all needs to input a plurality of parameters, complex operation, efficiency is low, precision is not high simultaneously, and the reliability of instrument is also poor, the more and more difficult actual detection needs that meet limiter of speed.
The applying date is, and to be on September 30th, 2009, Granted publication number March 31, Granted publication day in 2006 disclose the disposal route of a kind of portable elevator speed limiter testing device and collection signal thereof for the Chinese invention patent of CN100545620C.This method of testing is based on a set of proving installation, and this device is mainly comprised of three parts: first parts are one, and with the photoelectric encoder of fifth wheel, fifth wheel is pressed in the outer rim of limiter of speed wheel disc, follows limiter of speed wheel disc and rotates together; Second parts is direct current generators of exporting with twin shaft, fixes a driving wheel on the output shaft of one end, and this driving wheel is pressed in the outer rim of limiter of speed wheel disc, and a photoelectric code disk is installed on the output shaft of the other end; The 3rd parts are single-chip microcomputer signal processing units.Method of testing is: adopt single-chip microcomputer signal processing unit receive and process the limiter of speed wheel disc linear velocity of photoelectric encoder output and do to show in real time; The feedback speed signal for motor PID closed-loop control that reception is exported by photoelectric code disk, pressure regulation from single-chip computer control system to rectification driver module output direct current generator, speed-regulating signal through.
In actual use, there is following problem in above-mentioned proving installation:
1, used unit is many, and stube cable is many, and connector is many, plugs time-consumingly, and joint is perishable, and device reliability is poor.
2, the support that relies on console mode with the photoelectric encoder of fifth wheel, difficulty is put at scene, can not keep in touch with the outer rim of limiter of speed wheel disc reliably, and when limiter of speed wheel disc High Rotation Speed, photoelectric encoder tests the speed inaccurate.
3, during drive motor mounting cost, with the dual-axle motor of driving wheel, because include transformer and rectification driver module, volume is large, and Heavy Weight is adjusted the good contact that nut on tripod can not guarantee driving wheel and limiter of speed wheel disc outer rim well; Simultaneously because driving wheel is columniform, little with the friction force of limiter of speed wheel disc outer rim, easily skid, cause the linear velocity of driving wheel can not pass to exactly limiter of speed wheel disc.
4,, at Test Field, the inconvenience of limiter of speed wheel disc pitch circumference is measured.
5, adopt charactron to show, quantity of information is few, not directly perceived.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, the simple and fast that operates, high, effective Portable elevator speed limiter testing device and the detection method to elevator governor thereof of efficiency.
The present invention addresses the above problem adopted technical scheme: a kind of Portable elevator speed limiter testing device, is characterized in that: comprise motor assembly, driving wheel, power-supply system;
Motor assembly comprises AC servo motor and TT&C system, and AC servo motor and TT&C system are electrically connected to; Described TT&C system comprises single-chip microcomputer, display system, input system, Hall-type approach switch, magnet steel, electric switch, display system, input system, Hall-type approach switch, electric switch are all electrically connected to single-chip microcomputer, and Hall-type approach switch coordinates with magnet steel;
Driving wheel is connected with motor assembly;
Power-supply system is connected with motor assembly.
Display system of the present invention comprises LCD display control chip and LCD display, and LCD display control chip is electrically connected to single-chip microcomputer and LCD display respectively.
Input system of the present invention comprises keyboard system, and keyboard system comprises keyboard and corresponding matrix keyboard managing chip, and keyboard system is electrically connected to single-chip microcomputer.
The present invention also comprises storer, and storer is electrically connected to single-chip microcomputer.
Elevator governor detection method of the present invention, is characterized in that: adopt above-mentioned Portable elevator speed limiter testing device to detect elevator governor; Method is as follows:
The pitch diameter of a, measurement limiter of speed wheel disc, sends the pitch diameter information of limiter of speed wheel disc to single-chip microcomputer by input system;
B, by input system, input initial velocity, input system sends the initial velocity information of input to single-chip microcomputer;
C, on limiter of speed wheel disc, suct magnet steel, and when limiter of speed wheel disc is rotated a circle, when magnet steel has and for once aims at Hall-type approach switch;
On the support of limiter of speed wheel disc, suct electric switch;
D, driving wheel is pressed on limiter of speed wheel disc; Motor assembly drives driving wheel to rotate by driving shaft, and meanwhile, driving wheel drives again limiter of speed wheel disc to rotate; The rotating speed of Single-chip Controlling AC servo motor is raised to fast from zero the initial velocity that step b sets by the linear velocity of limiter of speed wheel disc pitch circle, and at the uniform velocity keeps a period of time within a period of time;
During this period, motor assembly detects the actual linear velocity of limiter of speed wheel disc pitch circle; The formula of linear velocity is V=π D/t, in formula, D is the pitch diameter of limiter of speed wheel disc, t is that limiter of speed wheel disc rotates the time needing for one week, and t is coordinated time pulse signal is transferred to single-chip microcomputer with magnet steel by Hall-type approach switch, and is processed and drawn by single-chip microcomputer; Actual linear velocity is processed and is drawn and show in display system by single-chip microcomputer;
After e, steps d continue for some time, under the control of motor assembly, the linear velocity of limiter of speed wheel disc pitch circle is with certain acceleration rising; As time goes on, the rotating speed of limiter of speed wheel disc is more and more faster, the piece that gets rid of on final limiter of speed wheel disc is encountered electric switch because of centrifugal action, the electric switch that makes to be adsorbed on limiter of speed wheel bracket produces action, single-chip microcomputer coordinates by magnet steel and Hall-type approach switch the time pulse signal producing, detect and lock the now actual linear velocity of limiter of speed wheel disc pitch circle, this speed is the electrical action velocity amplitude of limiter of speed; Limiter of speed wheel disc continues to accelerate rotation, until limiter of speed wheel disc is stuck, single-chip microcomputer coordinates by magnet steel and Hall-type approach switch the time pulse signal producing, detect and lock the unexpected stall of limiter of speed wheel disc pitch circle actual linear velocity value before, this speed is the mechanical action velocity amplitude of limiter of speed, and single-chip microcomputer is also controlled driving wheel stall immediately simultaneously; Electrical action velocity amplitude and mechanical action velocity amplitude are measurement result, and show by display system.
The present invention is in steps d, and the rotating speed of Single-chip Controlling AC servo motor was raised to fast from zero the initial velocity that step b sets by the linear velocity of limiter of speed wheel disc pitch circle, and at the uniform velocity keeps 7 seconds within 3 seconds.
The present invention is after steps d continues for some time, and under the control of motor assembly, the linear velocity of limiter of speed wheel disc pitch circle is with 0.01m/s
2acceleration rising.
The present invention compared with prior art, has the following advantages and effect:
1, apparatus of the present invention are guaranteeing under the prerequisite of elevator governor measuring accuracy, be easy to carry, advantages such as having that volume is little, lightweight, parts are few, stube cable is few, connector is few, be suitable for Site Detection, parameter measurement is convenient, demonstration information is directly perceived, do not lose after parameter power down.
2, the inventive method is meeting under the prerequisite of elevator governor accuracy of detection, the simple and fast that operates, and checkability significantly improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention Portable elevator speed limiter testing device.
Fig. 2 is the structural representation of embodiment of the present invention TT&C system.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment:
Referring to Fig. 1 and Fig. 2, Portable elevator speed limiter testing device comprises motor assembly 6, and its inside comprises AC servo motor 13 and TT&C system.
TT&C system comprises single-chip microcomputer 15, non-volatile storer 16, display system, input system, Hall-type approach switch 11, magnet steel 10, the electric switch 21 of eight.
Single-chip microcomputer 15 models are AT89S52.
Display system comprises LCD display control chip 17 and LCD display 4, and LCD display control chip 17 is electrically connected to single-chip microcomputer 15 and LCD display 4 respectively, and display system is electrically connected to single-chip microcomputer 15.LCD display control chip 17 models are T6963C.
Input system comprises keyboard system 5, and keyboard system 5 comprises keyboard and corresponding matrix keyboard managing chip 18.Keyboard system 5 is electrically connected to single-chip microcomputer 15, and input system is electrically connected to single-chip microcomputer 15.
Hall-type approach switch 11 is electrically connected to single-chip microcomputer 15, and coordinates with magnet steel 10.
TT&C system also comprises reset circuit 19, crystal oscillating circuit 20, motor servo driver 14, and reset circuit 19, crystal oscillating circuit 20, motor servo driver 14 are electrically connected to single-chip microcomputer 15 respectively.
AC servo motor 13 is connected with single-chip microcomputer 15 by motor servo driver 14.
Driving shaft 3 is connected with the rotating shaft of AC servo motor 13, fixed drive wheel 2 on driving shaft 3.The softer abrasive rubber of driving wheel 2 use is made, and it is trapezoidal that wheel rim is, and can fully contact with the steel wire rope groove of limiter of speed wheel disc 1.
The leading flank of motor assembly 6 is provided with handle 12, operator can hold handle 12 with left hand, four fingers of the right hand palm hold up the bottom of motor assembly 6, allow rubber drive wheels 2 ride in the steel wire rope groove that leans against limiter of speed wheel disc 1, the button in right-handed thumb operation keyboard system 5.
Power transfer module 8 is connected with motor assembly 6 by power supply output cable 7, operating voltage (comprising the operating voltage of Single Chip Microcomputer (SCM) system and the operating voltage of servomotor) is provided to motor assembly 6, power transfer module 8 is electrically connected to city by power supply input cable 9.
The present invention adopts Portable elevator speed limiter testing device to total body detecting method of elevator governor to be:
By a Single Chip Microcomputer (SCM) system, control an AC servo motor, drive a driving wheel to produce rotatablely move according to the acceleration of setting, this driving wheel drives again the wheel disc of tested elevator governor to be rotated, and makes the linear velocity of limiter of speed wheel disc pitch circle increase gradually; Utilize described single-chip microcomputer by a Hall switch, to receive the pulse signal of a magnet steel that is adsorbed on limiter of speed wheel disc end face, in conjunction with the pitch diameter of limiter of speed wheel disc, can calculate the linear velocity of limiter of speed wheel disc pitch circle.When Single-chip Controlling AC servo motor is constantly accelerated, the rotating speed of limiter of speed wheel disc is more and more higher, final limiter of speed spacing action because centrifugal action produces, and wheel disc is stuck, and single-chip microcomputer just locks the limiter of speed action linear velocity of moment.
The present invention adopts Portable elevator speed limiter testing device specific as follows to the detection method of elevator governor:
A, by power supply input cable 9 access 220V civil powers, the LCD display 4 of display system shows " please input pitch diameter ".
The pitch diameter of b, measurement limiter of speed wheel disc 1, can obtain by measuring the centre distance of the wire rope of limiter of speed wheel disc 1 side-by-side mounting.On keyboard system 5, select numerical key to input this diameter (unit is mm), check errorless after, press " confirmation " key, LCD shows and to become " please input initial velocity ".Keyboard system 5 sends the pitch diameter information of limiter of speed wheel disc 1 to single-chip microcomputer 15.
C, on keyboard system 5, select numerical key input initial velocity, be conventionally set to the rated speed of tested elevator, unit is m/s; Check errorless after, press " confirmation " key, LCD shows and to become " please select motor steering ".Keyboard system 5 sends the initial velocity information of input to single-chip microcomputer 15.
D, on keyboard system 5, press " left side " or " right side " key and select motor sense of rotation (in the face of driving wheel 2, " left side " represents that clockwise, " right side " represents counterclockwise), check errorless after, press " confirmation " key, LCD demonstration becomes " after mounting magnetic steel, pressing ' detection ' key ".
On e, the end face on limiter of speed wheel disc 1 right side near outer rim, suct magnet steel 10, guarantee the N utmost point of magnet steel 10 upward,
And when limiter of speed wheel disc 1 is rotated a circle, when magnet steel 10 has and for once aims at Hall-type approach switch 11, magnet steel 10 does not need to contact with Hall-type approach switch 11, distance is in 5-10mm left and right.
On limiter of speed wheel bracket 22, by magnetic, connect absorption with the electric switch 21 of striker, electric switch 21 be positioned at limiter of speed get rid of piece near, at limiter of speed, get rid of on the mobile route that piece occurs because of centrifugal action.When limiter of speed gets rid of piece and encounters the striker on electric switch because of centrifugal action, electric switch 21 produces action.
F, left hand are held the handle 12 on motor assembly 6, and four fingers of the right hand palm hold up the bottom of motor assembly 6, allow driving wheel 2 be pressed in the steel wire rope groove of limiter of speed wheel disc 1, and right-handed thumb taps " detection " key on keyboard system 5.Motor assembly 6 just drives driving wheel 2 to start rotation with the direction of setting by driving shaft 3, and meanwhile, driving wheel 2 drives again limiter of speed wheel disc 1 to rotate.According to the single-chip microcomputer 15 in motor assembly 6, set, within 3 seconds, the linear velocity of limiter of speed wheel disc 1 pitch circle is raised to from zero the initial velocity that step c sets fast, and at the uniform velocity keeps 7 seconds.
During this period, LCD display 4 shows " examination degree of testing the speed XXXX ", and " XXXX " here represents press the actual linear velocity of limiter of speed wheel disc 1 pitch circle that " detection " key detects in 10 seconds afterwards.The formula of linear velocity is V=π D/t, in formula, D is the pitch diameter of limiter of speed wheel disc 1, t obtains like this: according to the characteristic of Hall-type approach switch 11, magnet steel 10 is when aiming at Hall-type approach switch 11 1 times, Hall-type approach switch 11 will receive a time pulse signal, Hall-type approach switch 11 is transferred to single-chip microcomputer 15 by this time pulse signal, a time point of single-chip microcomputer 15 records; At limiter of speed wheel disc 1, rotate after one week, magnet steel 10 is aimed at Hall-type approach switch 11 again, Hall-type approach switch 11 receives again a time pulse signal, Hall-type approach switch 11 is transferred to single-chip microcomputer 15 by this time pulse signal again, single-chip microcomputer 15 records a time point again, single-chip microcomputer 15 calculates the time difference of two time points, and this difference is limiter of speed wheel disc 1 and rotates the time t needing for a week.Single-chip microcomputer 15 calculates actual linear velocity according to the formula of linear velocity again, and shows by LCD display 4.
The initial velocity that relatively actual linear velocity and step c input, both should be basic identical.If have big difference, illustrate that detecting loop has problem, " time-outs " key in keypad system 5, driving wheel 2 stops immediately, and LCD display 4 shows " if will continue, please pressing ' detection ' key ", after problem to be solved, starts detection again from step f.
G, examination survey process continued after 10 seconds, and LCD shows and become " starting to accelerate XXXX ", and under the control of motor assembly 6, the linear velocity of limiter of speed wheel disc 1 pitch circle is with 0.01m/s
2acceleration rising.As time goes on, the rotating speed of limiter of speed wheel disc 1 is more and more faster, the piece that gets rid of on final limiter of speed wheel disc 1 is encountered the striker on electric switch because of centrifugal action, the electric switch 21 that makes to be adsorbed on limiter of speed wheel bracket 22 produces action, electric switch 21 passes to single-chip microcomputer 15 by switching signal, single-chip microcomputer just locks the now actual linear velocity of limiter of speed wheel disc 1 pitch circle, and this speed is the electrical action velocity amplitude of limiter of speed.Limiter of speed wheel disc 1 continues to accelerate rotation, until limiter of speed wheel disc 1 is stuck, single-chip microcomputer 15 coordinates by magnet steel 10 and Hall-type approach switch 11 time pulse signal producing, the unexpected stall of limiter of speed wheel disc 1 detected, single-chip microcomputer locks the pitch circle maximum actual linear velocity that limiter of speed wheel disc 1 is stuck before again, this speed is the mechanical action velocity amplitude of limiter of speed, and motor assembly 6 is controlled driving wheel 2 stall immediately simultaneously; LCD display 4 shows " electrical action speed XXXX " and " mechanical action speed XXXX " in turn, and these two speed are kept in the storer 16 in motor assembly 6 simultaneously, after power down, do not lose, and operator also can be recorded in this velocity amplitude in examining report.These two actual linear velocity values are measurement result.Single-chip microcomputer 15 detects the method for limiter of speed wheel disc 1 unexpected stall by the time pulse signal of magnet steel 10 and Hall-type approach switch 11, can be as described above, when the adjacent time interval of aiming at Hall-type approach switch 11 for twice of magnet steel 10 surpasses the value of appraising and deciding, can judge the unexpected stall of limiter of speed wheel disc 1, this value of appraising and deciding can be set in advance in single-chip microcomputer 15.
If will repeat repeated detection to a limiter of speed, when LCD display 4 shows " electrical action speed XXXX " and " mechanical action speed XXXX " in turn, click " detection " key and can get back to step f, needn't be again from step a, the existing storage of pitch diameter, initial velocity and rotating information (not losing after power down).
At step a, in the whole process of step f, if want, stop detecting, " reset " key in keypad system 5 is got back to step a at any time, and driving wheel 2 stops the rotation simultaneously.
When starting from step a, pitch diameter, initial velocity and three parameters of rotating information, if do not want, input new value, can press " detection " key and directly enter step f, single-chip microcomputer in motor assembly 6 calls original numerical value of preserving in nonvolatile memory, realizes high efficiency one-touch detection.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, apparatus of the present invention are guaranteeing under the prerequisite of elevator governor measuring accuracy, be easy to carry, advantages such as having that volume is little, lightweight, parts are few, stube cable is few, connector is few, be suitable for execute-in-place, parameter measurement is convenient, demonstration information is directly perceived, do not lose after parameter power down.
2, limiter of speed wheel disc pitch circle linear velocity of the present invention adopts non-contact method to detect, and has avoided contact type measurement because of fifth wheel wearing and tearing and fifth wheel and the limiter of speed race low problem of brought measuring accuracy of skidding.
3, the present invention adopts absorption type electric switch to measure the electrical action speed of limiter of speed, quick for installation, easy to detect.
4, the present invention, when the limiter of speed of duplicate detection same model, only needs button once, has greatly simplified operation steps, has improved detection efficiency.
5, the inventive method is meeting under the prerequisite of elevator governor accuracy of detection, the simple and fast that operates, and efficiency is high.
Claims (2)
1. an elevator governor detection method, is characterized in that: adopt Portable elevator speed limiter testing device to detect elevator governor; Described Portable elevator speed limiter testing device comprises motor assembly, driving wheel, power-supply system;
Motor assembly comprises AC servo motor and TT&C system, and AC servo motor and TT&C system are electrically connected to; Described TT&C system comprises single-chip microcomputer, display system, input system, Hall-type approach switch, magnet steel, electric switch, display system, input system, Hall-type approach switch, electric switch are all electrically connected to single-chip microcomputer, and Hall-type approach switch coordinates with magnet steel;
Driving wheel is connected with motor assembly;
Power-supply system is connected with motor assembly;
Described display system comprises LCD display control chip and LCD display, and LCD display control chip is electrically connected to single-chip microcomputer and LCD display respectively;
Described input system comprises keyboard system, and keyboard system comprises keyboard and corresponding matrix keyboard managing chip, and keyboard system is electrically connected to single-chip microcomputer;
Described Portable elevator speed limiter testing device also comprises storer, and storer is electrically connected to single-chip microcomputer;
Elevator governor detection method is as follows:
The pitch diameter of a, measurement limiter of speed wheel disc, sends the pitch diameter information of limiter of speed wheel disc to single-chip microcomputer by keyboard system;
B, by keyboard system, input initial velocity, keyboard system sends the initial velocity information of input to single-chip microcomputer;
C, on limiter of speed wheel disc, suct magnet steel, and when limiter of speed wheel disc is rotated a circle, when magnet steel has and for once aims at Hall-type approach switch;
On the support of limiter of speed wheel disc, suct electric switch;
D, driving wheel is pressed on limiter of speed wheel disc; Motor assembly drives driving wheel to rotate by driving shaft, and meanwhile, driving wheel drives again limiter of speed wheel disc to rotate; The rotating speed of Single-chip Controlling AC servo motor is raised to fast from zero the initial velocity that step b sets by the linear velocity of limiter of speed wheel disc pitch circle, and at the uniform velocity keeps a period of time within a period of time;
During this period, motor assembly detects the actual linear velocity of limiter of speed wheel disc pitch circle; The formula of linear velocity is v=π D/t, in formula, D is the pitch diameter of limiter of speed wheel disc, t is that limiter of speed wheel disc rotates the time needing for one week, and t is coordinated time pulse signal is transferred to single-chip microcomputer with magnet steel by Hall-type approach switch, and is processed and drawn by single-chip microcomputer; Actual linear velocity is processed and is drawn and show in display system by single-chip microcomputer;
After said process continues for some time, under the control of motor assembly, the linear velocity of limiter of speed wheel disc pitch circle is with 0.01m/s
2acceleration rising;
After e, steps d continue for some time, under the control of motor assembly, the linear velocity of limiter of speed wheel disc pitch circle is with certain acceleration rising; As time goes on, the rotating speed of limiter of speed wheel disc is more and more faster, the piece that gets rid of on final limiter of speed wheel disc is encountered electric switch because of centrifugal action, the electric switch that makes to be adsorbed on limiter of speed wheel bracket produces action, single-chip microcomputer coordinates by magnet steel and Hall-type approach switch the time pulse signal producing, detect and lock the now actual linear velocity of limiter of speed wheel disc pitch circle, this speed is the electrical action velocity amplitude of limiter of speed; Limiter of speed wheel disc continues to accelerate rotation, until limiter of speed wheel disc is stuck, single-chip microcomputer coordinates by magnet steel and Hall-type approach switch the time pulse signal producing, detect and lock the unexpected stall of limiter of speed wheel disc pitch circle actual linear velocity value before, this speed is the mechanical action velocity amplitude of limiter of speed, and single-chip microcomputer is also controlled driving wheel stall immediately simultaneously; Electrical action velocity amplitude and mechanical action velocity amplitude are measurement result, and show by display system.
2. elevator governor detection method according to claim 1, it is characterized in that: in steps d, the rotating speed of Single-chip Controlling AC servo motor was raised to fast from zero the initial velocity that step b sets by the linear velocity of limiter of speed wheel disc pitch circle, and at the uniform velocity keeps 7 seconds within 3 seconds.
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| CN102854012B (en) * | 2012-09-29 | 2014-12-03 | 广州日滨科技发展有限公司 | Elevator speed limiter testing platform and elevator speed limiter testing system suitable to different rope sheave diameters |
| CN103332549B (en) * | 2013-07-10 | 2016-06-15 | 陈永煊 | The calibration equipment of elevator governor speed of action and method of calibration thereof |
| CN103935861B (en) * | 2014-04-24 | 2016-06-08 | 吴家集 | Pneumatic type limiter of speed safety tongs device |
| CN103935862A (en) * | 2014-05-09 | 2014-07-23 | 南京航空航天大学 | Constant rotation speed generating device for detecting elevator speed limiter tester |
| CN104075902B (en) * | 2014-06-06 | 2017-04-19 | 南京市计量监督检测院 | Calibrating device for elevator speed governor testing instrument |
| CN104390800B (en) * | 2014-11-14 | 2017-11-10 | 广州日滨科技发展有限公司 | Elevator governor endurance testing device and its method of testing |
| CN105527083B (en) * | 2016-01-04 | 2017-12-05 | 广东省特种设备检测研究院江门检测院 | A kind of elevator governor responsiveness tester and method |
| CN106144825A (en) * | 2016-07-26 | 2016-11-23 | 上海市特种设备监督检验技术研究院 | A kind of governor tripping speed measuring method |
| CN106645800A (en) * | 2016-11-22 | 2017-05-10 | 耿龙 | Detection method of elevator velometer detection device |
| CN107963530B (en) * | 2017-12-25 | 2024-07-09 | 广东省特种设备检测研究院惠州检测院 | Speed limiter detection device capable of adapting to various elevator models |
| CN116952637B (en) * | 2023-09-21 | 2023-11-28 | 苏州施耐德电梯有限公司 | Speed limiter test method and test system |
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| CN201083752Y (en) * | 2007-09-29 | 2008-07-09 | 北京建筑机械化研究院 | Portable overrunning governor speed-measuring equipment |
| CN101537954A (en) * | 2009-04-21 | 2009-09-23 | 抚顺市锅炉压力容器检验研究所 | Elevator speed limiter detector |
| CN202110060U (en) * | 2011-06-11 | 2012-01-11 | 嘉兴市特种设备检测院 | Portable elevator speed limiter testing device |
Non-Patent Citations (1)
| Title |
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| 说明书第1页第2段至倒数第2段. |
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| CN102331339A (en) | 2012-01-25 |
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