CN203382328U - Verifying device for movement speed of elevator speed limiter - Google Patents
Verifying device for movement speed of elevator speed limiter Download PDFInfo
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- CN203382328U CN203382328U CN201320416793.6U CN201320416793U CN203382328U CN 203382328 U CN203382328 U CN 203382328U CN 201320416793 U CN201320416793 U CN 201320416793U CN 203382328 U CN203382328 U CN 203382328U
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- elevator governor
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Abstract
The utility model provides a verifying device for the movement speed of an elevator speed limiter. The verifying device comprises a drive speed regulation module, a movement detection module I, a movement detection module II, a data processing module, a speed detection module and a display module, wherein the data processing module is used for receiving signals of the movement detection module I and the movement detection module II and controlling the drive speed regulation module; the display module is connected with the data processing module; the movement detection module I and the movement detection module II are mutually in signal connection with the data processing module respectively; and the drive speed regulation module is in signal connection with the data processing module. According to the verifying device, the problems that the verification is inaccurate, verification errors are large, and the verification accuracy is low due to conventional manual operation verification are solved; and at the same time, the verifying device is simple in operation and convenient to carry, a verification report can be obtained after the verification, and the verifying device has a wide application prospect.
Description
Technical field
The utility model relates to a kind of elevator detection technique field, more particularly, relates to a kind of calibration unit of elevator governor.
Background technology
Elevator is as the important component part of modern Infrastructure matching construction, closely related with the raising of the development of national economic development especially real estate and people's living standard.Along with expanding economy, the quantity rapid growth of elevator, although accident rate is not high relatively,, accident quantity also has the trend increased, and especially the harm of elevator stall accident is large, and the proportion of shared elevator accident is also larger.Elevator governor-safety tongs linked system is the protection of most critical when elevator stall, and wherein, velocity limiter is as the safety component of elevator, and its effect is that Monitoring and Controlling the speed of car and can when elevator overspeed, be made the protection instruction at any time.Therefore, can velocity limiter provide correct protection instruction and be directly connected to people's life, property safety when accident occurs.
Velocity limiter is one of vitals of lift running safety protection, is also the emphasis of state compulsion check for a long time.Therefore in order to improve the safety performance of elevator, inspection department is that the requirement velocity limiter at least will carry out the verification of one-off speed in the operating cycles of 2 years.Because velocity limiter generally is mounted in elevator(lift) machine room or elevator hoistways top, the situation that is loaded on pit is also arranged, and elevator governor is because of different manufacturers and different technical parameters, the installation action pattern is various, add verification site environment more complicated, the difficulty of therefore governor tripping speed being carried out to verification increases greatly, also the method and apparatus that improves checking precision is proposed to higher requirement simultaneously.
And the verification mode of existing governor tripping speed still be take the manual mode of operation as main, for rules, require two performance parameters measuring " electrical action speed " and " mechanical action speed " only to have subjective measurement, can not measure fast, reliably, exactly related data, thereby cause the check results error of governor tripping speed large, the variety of issue such as checking precision is low, verification efficiency is low.This verification exists the problem that difficulty is large, precision is low not only can not reflect in time the verification situation of governor tripping speed, nor can effectively guarantee the normal operation of elevator governor.
Although the domestic tester of having developed for verification elevator governor responsiveness, the current velocity limiter check apparatus weak points such as large and applicability is poor due to complicated operation, volume, so can't meet real verification demand.And certification body requires elevator maintain and protection unit to provide the verification report at present, a lot of elevator maintain and protection units need to pay very large manpower and complete, and make the quality of velocity limiter verification to guarantee.
Rapid growth along with elevator quantity, above difficulty certainly will be more outstanding, more potential safety hazard must be eliminated timely, therefore, examine the needs of job development and in conjunction with the difficulty run in practical operation according to the spy, how to design that a kind of checking precision is high, highly versatile and easy to operate simple verifying elevator speed limiter device with and method of calibration, become a present elevator check row large technical barrier urgently to be resolved hurrily in the industry.
The utility model content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, the utility model provide a kind of install simple and easy, checking precision is high, the elevator governor responsiveness checking aparatus of easy to carry and highly versatile; This device can guarantee the validity of verification, and judges whether the responsiveness of velocity limiter meets the protection demand of corresponding elevator.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of checking aparatus of elevator governor responsiveness is characterized in that: comprising:
For the driving speed adjusting module that drives the elevator governor rope sheave to rotate;
Motion detection module one for detection of elevator governor electrical action signal;
Motion detection module two for detection of elevator governor mechanical action signal;
Also control for the signal that receives in real time motion detection module one and motion detection module two data processing module that drives speed adjusting module;
The speed measuring module be connected with the data processing module signal, to measure the velocity of rotation of elevator governor rope sheave;
And the display module be connected with data processing module;
Described motion detection module one is connected with the mutual signal of data processing module respectively with motion detection module two; Described driving speed adjusting module is connected with the data processing module signal.
In such scheme, the inspector can directly learn the check results of elevator governor by this checking aparatus at display module, has solved the Traditional Man functional check and has caused the problem that verification is inaccurate, verify error is large and checking precision is low.This checking aparatus is simple to operate, easy to carry simultaneously, can obtain the verification report after verification, be applicable to carry out the verifying elevator speed limiter use in complicated site environment, thereby improve inspector's work efficiency, also meet the requirement of related elevator inspection provision, and be with a wide range of applications simultaneously.
Described motion detection module one is connected and refers to the data processing module signal respectively with motion detection module two, and motion detection module one and motion detection module two are carried out respectively the send and receive of signal and data by wireless data transfer module with data processing module.Communication of the present utility model is the point-to-multipoint that adopts the TDMA time division multiple access (system for o'clock to 2 o'clock) communication modes.The wireless transport module of this communication modes embeds high-speed microprocessor and high-performance radio-frequency chip, data-transformation facility with highly integrated half duplex operation micropower, this module adopts the error correction and detection coding that interweaves that circulates efficiently, antijamming capability and sensitivity all improve greatly, and maximum can be entangled the continuous burst error of inspection 24bits.Its transmission principle is receiver module after interrupting producing by the continual synchronizing address signal that externally sends of time circulation, and sending module, in receiving condition, provides acknowledge signal after the synchronizing signal of receiving with appropriate address information; Receiver enters receiving condition, and transmitting set produces interruption after receiving acknowledge signal, sends the information of setting address, and receiver receives data.
Described motion detection module one is the electrical action detection module, and it is arranged on the electric switch of elevator governor, and described electrical action detection module comprises acceleration pick-up one and A/D data transducer one; Described motion detection module two is the mechanical action detection module, and it is arranged on the folder rope arm of elevator governor, and described mechanical action detection module comprises acceleration pick-up two and A/D data transducer two.
When acceleration pick-up one and acceleration pick-up two detect velocity limiter electrical action or mechanical action, analog signal occurs, be converted to digital pulse signal after processing by A/D data transducer one and A/D data transducer two, and the judgement actuating signal sends its address code to data processing module after errorless in the mode of radio communication.
Described electrical action detection module is fixed on the electric switch of elevator governor by magnet base; Described mechanical action detection module is fixed on the folder rope arm of elevator governor by magnet base.Two detection modules are fixed on by magnet base on the parts of elevator governor can facilitate the Assembly &Disassembly of detection module, thereby realizes that this checking aparatus is convenient to operation, and can improve inspector's work efficiency.
Described driving speed adjusting module comprises frequency control module and power driven module; Described frequency control module is connected with the data processing module signal; Described power driven module is arranged on the elevator governor rope sheave; Described speed measuring module is arranged on the axle drive shaft of power driven module.The utility model can be set velocity limiter by the frequency control module according to the command speed of elevator governor and elevator safety gear type and reach in action the required frequency of prescribing a time limit, and the installation environment according to on-the-spot velocity limiter, set the service direction of driver module, make this checking aparatus be applicable to dissimilar elevator governor is carried out to field-checking.
Driving speed adjusting module of the present utility model can be controlled the frequency control module by data processing module, for the command speed of elevator, produces enough rotating speeds and moment, makes the frequency control module can produce rapidly the test rotating speed of setting.The utility model is realized the rotation speed change of power driven module by the frequency control module controls, and then can realize controlling the rotating speed of power driven module.
And speed measuring module is arranged on the rotating speed that can measure in real time elevator governor on the axle drive shaft of power driven module.The tachogenerator module is comprised of rotary encoder and signaling conversion circuit, and the circle wheel of rotary encoder is directly driven by the power driven module, by signaling conversion circuit, exports pulse, calculates the transient speed of power driven module by the pulsion phase interval.
Described data processing module adopts wince operating system; Described display module is exercisable touch-screen.In checking procedure, the testing staff can operate in real time accordingly by touch-screen.The high-performance embedded MCU that its core of data processing module is 32, integrated multiple communication and IO interface, adopt embedded system wince6.0.
Adopt the method for calibration of above-mentioned elevator governor responsiveness checking aparatus, comprise the following steps:
The first step, set and drive speed adjusting module output frequency f, to drive elevator governor, accelerates to turn to the action upper limit speed v of velocity limiter; Speed measuring module is sent to data processing module by the elevator governor real-time speed of measurement;
Second step, detect electrical action signal and the mechanical action signal of elevator governor, and the signal of detection be sent to data processing module;
The 3rd step, whether data processing module to receiving the electrical action signal of detection and the situation of mechanical action signal is judged: (1) does not receive electrical action signal and mechanical action signal, send the inferior-quality warning of verifying elevator speed limiter, and carry out the 5th step; (2) do not receive electrical action signal or mechanical action signal, send the inferior-quality warning of verifying elevator speed limiter, by speed measuring module, draw the electrical action speed v
1perhaps mechanical action speed v
2, and carry out the 5th step; (3) receive electrical action signal and mechanical action signal, carry out the 4th step;
The 4th step, draw the electrical action speed v by speed measuring module
1with the mechanical action speed v
2, and by v
1and v
2compare: (1) v
1>v
2, send the inferior-quality warning of verifying elevator speed limiter, and carry out the 5th step; (2) v
1<1.15v
0perhaps v
2<1.15v
0, verifying elevator speed limiter nonconformity, and carry out the 5th step.(3) 1.15v
0≤ v
1≤ v
2, verifying elevator speed limiter is qualified, and carries out the 5th step; Wherein, v
0it is the command speed of elevator governor;
The 5th step, according to the verification report of check results output elevator governor.
Above-mentioned method of calibration is measured and verification electrical action speed and the mechanical action speed of velocity limiter in elevator governor accelerates to turn to the process of action upper limit speed v of velocity limiter, judges whether the responsiveness of elevator governor meets inspection provision.There is the subjectivity judgement in the performance parameters that this method of calibration has overcome manual measurement elevator governor responsiveness, and can not draw fast, reliably, exactly the problem of check results.
More particularly, in the first step, set and drive speed adjusting module output frequency f to refer to, by determining the command speed v of the elevator governor of surveying
0and the elevator safety gear type is set driving speed adjusting module output frequency f.It is different that dissimilar elevator governor reaches the corresponding driving speed adjusting module of action upper limit speed output frequency f.
Electrical action speed v in the 4th step
1refer to the speed of elevator governor while receiving the electrical action signal; The mechanical action speed v
2refer to the speed of elevator governor while receiving the mechanical action signal.
Set and drive speed adjusting module output frequency f, the action upper limit speed v that turns to velocity limiter to drive elevator governor to accelerate refers to, drive the power driven module by frequency control module output frequency f and rotate, power driven module drive elevator governor accelerates to turn to the action upper limit speed v of velocity limiter.
The principle of the method for calibration of the utility model elevator governor responsiveness is such:
(1) according to GB7588-2003 " elevator manufacture and installation safety standard " or JG135-2000 " regulation of dumb waiter ", calculate and set the corresponding frequency f of elevator governor action upper limit speed that drives speed adjusting module, drive speed adjusting module output frequency f, and drive governor sheave from static to action upper limit speed v acceleration.Drive the rotating speed of speed adjusting module to be
Wherein, P is number of pole-pairs, and s is the Rotational Speed of Asynchronous Motor rate; Drive the speed of speed adjusting module to be
Wherein, the radius that r is power driven module circle wheel.Due to elevator governor action upper limit speed v and the speed v that drives speed adjusting module
sidentical, so elevator governor action upper limit speed
(2) accelerating to turn to electrical action signal and the mechanical action signal to velocity limiter in the process of action upper limit speed v of velocity limiter at elevator governor is detected, if the speed of elevator governor when being arranged on speed measuring module measurement on power driven module drive axle and receiving electrical action signal or mechanical action signal respectively of two signals detected, as electrical action speed or mechanical action speed, then these two responsivenesses are judged.One of them signal detected if can't detect two signals or value, can judge the check results nonconformity of this elevator governor.
(3) elevator governor being tested is whether two responsivenesses that judge elevator governor meet GB7588-2003 " elevator manufacture and installation safety standard " or JG135-2000 " regulation of dumb waiter "." elevator manufacture and installation safety standard " regulation: the governor tripping speed of handling the car safety clamp device should occur in and equal command speed v
0115%, but should be less than: for the instantaneous safety gear except not tear-away roller, be (a) 0.8m/s; (b) for not tear-away captive roller safety gear device, be 1.00m/s; (c) progressive safety gear that is less than or equal to 1.00m/s for command speed is 1.50m/s; (d) progressive safety gear that is greater than 1.00m/s for command speed is 1.25v
0+ 0.25/v
0.
Compared with prior art, the utlity model has following advantage and beneficial effect:
1, checking aparatus of the present utility model has solved the Traditional Man functional check and has caused the problem that verification is inaccurate, verify error is large and checking precision is low.This checking aparatus is simple to operate, easy to carry simultaneously, can obtain the verification report after verification, be applicable to carry out the verifying elevator speed limiter use in complicated site environment, thereby improve inspector's work efficiency, also meet the requirement of related elevator inspection provision, and be with a wide range of applications simultaneously.
2, the utility model checking aparatus carries out verification by the responsiveness to elevator governor, and the result of resulting verification can reflect the situation of elevator governor in time, and can effectively guarantee the safe operation of lift facility.
The accompanying drawing explanation
Fig. 1 is the modular construction figure of the utility model elevator governor responsiveness checking aparatus;
Wherein, 1 is that driving speed adjusting module, 2 is that electrical action detection module, 3 is that mechanical action detection module, 4 is that data processing module, 5 is that speed measuring module, 6 is that display module, 7 is that wireless data transfer module, 8 is that acceleration pick-up one, 9 is that A/D data transducer one, 10 is that acceleration pick-up two, 11 is that A/D data transducer two, 12 is that frequency control module, 13 is the power driven module.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the utility model is described in further detail.
Embodiment
The present embodiment adopts S3C6410X (ARM11) embedded microprocessor of Samsung company with data processing module, it is that example describes following that wireless data transfer module adopts the APC220-43 module.
As shown in Figure 1, this checking aparatus comprises the driving speed adjusting module 1 for driving the elevator governor rope sheave to rotate to the modular construction figure of the utility model elevator governor responsiveness checking aparatus; Electrical action detection module 2 for detection of elevator governor electrical action signal; Mechanical action detection module 3 for detection of elevator governor mechanical action signal; Also control for the signal that receives in real time electrical action detection module 2 and mechanical action detection module 3 data processing module 4 that drives speed adjusting module 1; The speed measuring module 5 be connected with data processing module 4 signals, to measure the velocity of rotation of elevator governor rope sheave; And the display module 6 be connected with data processing module 4.Wherein, data processing module 4 adopts wince operating system, and display module 6 adopts exercisable LCD touch-screen, and being convenient to the testing staff can operate in real time accordingly.As shown in Figure 1, drive speed adjusting module 1 to be connected with data processing module 4 signals, electrical action detection module 2 and mechanical action detection module 3 carry out respectively the send and receive of signal and data by wireless data transfer module 7 with data processing module 4.
The electrical action detection module 2 of the utility model checking aparatus is fixed on by magnet base on the electric switch of elevator governor, and it comprises acceleration pick-up 1 and A/D data transducer 1; 3 of mechanical action detection modules are fixed on by magnet base on the folder rope arm of elevator governor, and it comprises acceleration pick-up 2 10 and A/D data transducer 2 11.Drive speed adjusting module 1 to comprise frequency control module 12 and power driven module 13, frequency control module 12 is connected with data processing module 4 signals, and power driven module 13 is arranged on the elevator governor rope sheave.And speed measuring module 5 is arranged on the rotating speed that can measure in real time elevator governor on the axle drive shaft of power driven module 13.
The method of calibration of the utility model elevator governor responsiveness checking aparatus comprises the following steps:
The first step, by determining the command speed v of the elevator governor of surveying
0reach the elevator safety gear type and set driving speed adjusting module output frequency f, to drive elevator governor, accelerate to turn to the action upper limit speed v of velocity limiter; Speed measuring module is sent to data processing module by the elevator governor real-time speed of measurement; Wherein, v
0it is the command speed of elevator governor;
Second step, detect electrical action signal and the mechanical action signal of elevator governor, and the signal of detection be sent to data processing module;
The 3rd step, whether data processing module to receiving the electrical action signal of detection and the situation of mechanical action signal is judged: (1) does not receive electrical action signal and mechanical action signal, send the inferior-quality warning of verifying elevator speed limiter, and carry out the 5th step; (2) do not receive electrical action signal or mechanical action signal, send the inferior-quality warning of verifying elevator speed limiter, by speed measuring module, draw the electrical action speed v
1perhaps mechanical action speed v
2, and carry out the 5th step; (3) receive electrical action signal and mechanical action signal, carry out the 4th step;
The 4th step, draw the electrical action speed v by speed measuring module
1with the mechanical action speed v
2, and by v
1and v
2compare: (1) v
1>v
2, send the inferior-quality warning of verifying elevator speed limiter, and carry out the 5th step; (2) v
1<1.15v
0perhaps v
2<1.15v
0, verifying elevator speed limiter nonconformity, and carry out the 5th step.(3) 1.15v
0≤ v
1≤ v
2, verifying elevator speed limiter is qualified, and carries out the 5th step;
The 5th step, according to the verification report of check results output elevator governor.
Wherein, electrical action speed v in the 4th step
1refer to the speed of elevator governor while receiving the electrical action signal; The mechanical action speed v
2refer to the speed of elevator governor while receiving the mechanical action signal.Set and drive speed adjusting module output frequency f, the action upper limit speed v that turns to velocity limiter to drive elevator governor to accelerate refers to, drive the power driven module by frequency control module output frequency f and rotate, power driven module drive elevator governor accelerates to turn to the action upper limit speed v of velocity limiter.
The method of calibration of the utility model checking aparatus is to accelerate to turn to electrical action signal and the mechanical action signal to velocity limiter in the process of action upper limit speed v of velocity limiter at elevator governor to be detected, if the speed of elevator governor when being arranged on speed measuring module measurement on power driven module drive axle and receiving electrical action signal or mechanical action signal respectively of two signals detected, as electrical action speed or mechanical action speed, then these two responsivenesses are judged.One of them signal detected if can't detect two signals or value, can judge the check results nonconformity of this elevator governor.
It is whether two responsivenesses that judge elevator governor meet GB7588-2003 " elevator manufacture and installation safety standard " or JG135-2000 " regulation of dumb waiter " that elevator governor is tested." elevator manufacture and installation safety standard " regulation: the governor tripping speed of handling the car safety clamp device should occur in and equal command speed v
0115%, but should be less than: for the instantaneous safety gear except not tear-away roller, be (a) 0.8m/s; (b) for not tear-away captive roller safety gear device, be 1.00m/s; (c) progressive safety gear that is less than or equal to 1.00m/s for command speed is 1.50m/s; (d) progressive safety gear that is greater than 1.00m/s for command speed is 1.25v
0+ 0.25/v
0.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (6)
1. the checking aparatus of an elevator governor responsiveness is characterized in that: comprising:
For the driving speed adjusting module that drives the elevator governor rope sheave to rotate;
Motion detection module one for detection of elevator governor electrical action signal;
Motion detection module two for detection of elevator governor mechanical action signal;
Also control for the signal that receives in real time motion detection module one and motion detection module two data processing module that drives speed adjusting module;
The speed measuring module be connected with the data processing module signal, to measure the velocity of rotation of elevator governor rope sheave;
And the display module be connected with data processing module;
Described motion detection module one is connected with the mutual signal of data processing module respectively with motion detection module two; Described driving speed adjusting module is connected with the data processing module signal.
2. the checking aparatus of elevator governor responsiveness according to claim 1, it is characterized in that: described motion detection module one is connected and refers to the data processing module signal respectively with motion detection module two, and motion detection module one and motion detection module two are carried out respectively the send and receive of signal and data by wireless data transfer module with data processing module.
3. the checking aparatus of elevator governor responsiveness according to claim 1, it is characterized in that: described motion detection module one is the electrical action detection module, it is arranged on the electric switch of elevator governor, and described electrical action detection module comprises acceleration pick-up one and A/D data transducer one; Described motion detection module two is the mechanical action detection module, and it is arranged on the folder rope arm of elevator governor, and described mechanical action detection module comprises acceleration pick-up two and A/D data transducer two.
4. the checking aparatus of elevator governor responsiveness according to claim 3, it is characterized in that: described electrical action detection module is fixed on the electric switch of elevator governor by magnet base; Described mechanical action detection module is fixed on the folder rope arm of elevator governor by magnet base.
5. the checking aparatus of elevator governor responsiveness according to claim 1, it is characterized in that: described driving speed adjusting module comprises frequency control module and power driven module; Described frequency control module is connected with the data processing module signal; Described power driven module is arranged on the elevator governor rope sheave; Described speed measuring module is arranged on the axle drive shaft of power driven module.
6. the checking aparatus of elevator governor responsiveness according to claim 1, is characterized in that: described data processing module employing wince operating system; Described display module is exercisable touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320416793.6U CN203382328U (en) | 2013-07-10 | 2013-07-10 | Verifying device for movement speed of elevator speed limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320416793.6U CN203382328U (en) | 2013-07-10 | 2013-07-10 | Verifying device for movement speed of elevator speed limiter |
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| Publication Number | Publication Date |
|---|---|
| CN203382328U true CN203382328U (en) | 2014-01-08 |
Family
ID=49870840
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320416793.6U Expired - Fee Related CN203382328U (en) | 2013-07-10 | 2013-07-10 | Verifying device for movement speed of elevator speed limiter |
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| CN (1) | CN203382328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332549A (en) * | 2013-07-10 | 2013-10-02 | 陈永煊 | Device and method for calibrating movement speed of elevator speed limiter |
-
2013
- 2013-07-10 CN CN201320416793.6U patent/CN203382328U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332549A (en) * | 2013-07-10 | 2013-10-02 | 陈永煊 | Device and method for calibrating movement speed of elevator speed limiter |
| 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 |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20200710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |