CN207181442U - A kind of elevator speed-measuring device detection means - Google Patents
A kind of elevator speed-measuring device detection means Download PDFInfo
- Publication number
- CN207181442U CN207181442U CN201621251132.2U CN201621251132U CN207181442U CN 207181442 U CN207181442 U CN 207181442U CN 201621251132 U CN201621251132 U CN 201621251132U CN 207181442 U CN207181442 U CN 207181442U
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- CN
- China
- Prior art keywords
- speed
- elevator
- elevator governor
- electric control
- control box
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
A kind of elevator speed-measuring device detection means,Brush direct current motor one end connects polyurethane rubber roller,The other end connects electric control box,Software computing system is provided with electric control box,Elevator governor is driven to be rotated according to the speed of regulation,Tach signal according to motor feedback while elevator governor is driven makes real-time control,Brush direct current motor is set to reach the speed of needs,The velocity measuring of elevator governor obtains according to Hall sensor with the magnet for being placed on elevator governor wheel edge,Elevator governor can make magnet triggering Hall sensor once for each revolution,Software computing system directly calculates the bearing of elevator speed-measuring device according to the time,Control circuit can go out elevator running limiter of speed speed according to this signal of change,After the completion of test,LCDs directly displays the velocity amplitude of test on electric control box,Including motor speed,Electrical speed and mechanical speed.
Description
Technical field
The present invention relates to elevator detection field, specially a kind of elevator speed-measuring device detection means.
Background technology
Safety test for elevator at present is the velocity test of elevator, and limiter of speed is an important safety portion of elevator
Part, the safety monitoring of limiter of speed turn into the important step of elevator detection, traditional Measurement of Elevator detection speed measuring device, and selection is
Limiter of speed diameter or girth are manually entered, then could start velometer and be detected, contrasts patent（2006100394386）It is public
The method of testing for portable elevator speed limiter testing device is opened, the speed measuring device is used and set on speed limiter testing device
Photoelectric encoder is put, fifth wheel is installed on its axle, fifth wheel is pressed in limiter of speed wheel disc outer rim, fifth wheel is with speed limit device wheel
Disk rotates, and sets both-end output driving motor, the driving wheel being pressed on limiter of speed wheel disc periphery is fixed with one section of output shaft,
Photoelectricity code device sensor is installed, its method of testing is that single-chip microcomputer signal processing unit receives and handles light on other end output shaft
The limiter of speed wheel disc linear velocity signal and real-time display of photoelectric coder output, receive the use exported by encoder sensor
In the feedback speed signal of motor PID closed-loop controls, DC driven electricity is exported to rectification drive module through single-chip computer control system
Machine lock needs variable voltage control drive signal, method of testing onsite application, measurement knot for portable elevator speed limiter testing device
Fruit accurately and reliably, it is easy for installation, this equipment needs the artificial fixed circumference for carrying out inputting limiter of speed, and the mode used is limiter of speed
Steel wire rope measures around the girth of the wheel disc center line of one week, and this measuring method adds operating process, adds artificial
Labour cost, and measurement be not accurate.
The content of the invention
Pin of the present invention provides a kind of elevator speed-measuring device detection means, to solve problem present in above-mentioned background technology.
A kind of elevator speed-measuring device detection means provided by the invention, including：Brush direct current motor, polyurethane rubber roller, magnet,
Elevator governor, Hall sensor, electric control box, button, LCDs, printer, one on the brush direct current motor
End is provided with polyurethane rubber roller, and the other end is linked with electric control box, and polyurethane rubber roller is pressed in elevator governor outer rim, described
Elevator governor outer rim side is provided with magnet, and the side that the elevator governor is provided with magnet corresponds to Hall sensor, and Hall passes
Sensor is arranged on the support of fixed elevator governor, and the electric control box is provided with button, and the top of button is provided with liquid crystal
Display screen and printer.
The detection method of the detection means is：
（1）Preparation, the polyurethane rubber roller connected on brush direct current motor is placed in the outer rim of elevator governor；
（2）A speed V is fixedly installed in elevator controlling box, and polyurethane rubber roller is driven into elevator speed limit according to the speed of setting
Device is rotated, and software computing system is provided with elevator controlling box, elevator governor, which often rotates a circle, can make magnet trigger Hall
Sensor once, is provided with time device in software computing system, directly tests out the time T that elevator governor rotates a circle, and
According to the formula V*T=C set in software computing system, the girth of elevator governor is directly calculated, by elevator controlling box
Display screen directly display；
（3）Setting elevator governor be at the uniform velocity rotation status when test, elevator governor wheel disc linear velocity with
0.01m/s^2 acceleration rises, until elevator governor operates；
（4）The velocity measuring of elevator governor obtains according to Hall sensor with the magnet for being placed on elevator governor wheel edge
, elevator governor can make magnet triggering Hall sensor once for each revolution, and control circuit goes out reality according to this signal of change
Border elevator governor speed；
（5）Tach signal according to motor feedback while elevator governor is driven makes real-time control, there is direct current
Brush motor reaches the speed of needs；
（6）After the completion of test, LCDs directly displays survey on the electric control box that is connected with brush direct current motor
The velocity amplitude of examination, including motor speed, electrical speed and mechanical speed；
（7）Data are directly printed by printer.
The beneficial effects of the invention are as follows in the case where not inputting limiter of speed diameter or girth, motor, hall sensing are used
Device, control circuit and software algorithm etc. directly calculate the diameter or girth of limiter of speed, can directly be tested, and simplify operation
Flow, reduce the labor intensity in test.
Brief description of the drawings
Fig. 1 show schematic structural view of the invention.
1st, brush direct current motor 2, polyurethane rubber roller 3, magnet 4, elevator governor 5, Hall sensor 6, electric-controlled
Box 7 processed, button 8, LCDs 9, printer.
Embodiment
In order to be more clearly understood that structure of the present invention, feature, below in conjunction with the accompanying drawings with specific implementation method to this hair
It is bright described in further detail.
One end of brush direct current motor 1 as shown in Figure 1 is connected with polyurethane rubber roller 2, other end connection electric control box 6, is gathered
Urethane rubber roll 2 is pressed in the outer rim of elevator governor 5, and the outer rim side of elevator governor 4 is provided with magnet 3, and the corresponding Hall of magnet 3 passes
Software computing system is provided with sensor 6, electric control box 6, fixed speed V is set on electric control box, brush direct current motor 1 will
Polyurethane rubber roller 2 is rotated according to the speed V set on electric control box, and polyurethane rubber roller 2 drives elevator governor 5 with phase
Same linear velocity is rotated, and after elevator governor 5 rotates a circle, magnet 4 is touched once with corresponding Hall sensor 6,
Hall sensor feeds back to signal in electric control box 6, according to measured in the software computing system in electric control box 6 when
Between the girth of elevator governor 5, the LCDs 8 being directly displayed on electric control box 6 are calculated according to formula V*T=C
On, electric control box 6 is provided with the adjustment that button 7 is used to control speed, and control circuit is according to the signal meter on Hall sensor 6
The speed of elevator running limiter of speed 5 is calculated, polyurethane rubber roller 2 drives the wheel disc linear velocity of elevator governor 5 with 0.01m/s^2's
Acceleration rises, until elevator governor 5 operates, and carries out printing number by the printer 9 on electric control box 6 according to demand
According to.
The detection method of detection means is：
（1）Preparation, the polyurethane rubber roller connected on brush direct current motor is placed in the outer rim of elevator governor；
（2）A speed V is fixedly installed in elevator controlling box, and polyurethane rubber roller is driven into elevator speed limit according to the speed of setting
Device is rotated, and software computing system is provided with elevator controlling box, elevator governor, which often rotates a circle, can make magnet trigger Hall
Sensor once, is provided with time device in software computing system, directly tests out the time T that elevator governor rotates a circle, and
According to the formula V*T=C set in software computing system, the girth of elevator governor is directly calculated, by elevator controlling box
Display screen directly display；
（3）Setting elevator governor be at the uniform velocity rotation status when test, elevator governor wheel disc linear velocity with
0.01m/s^2 acceleration rises, until elevator governor operates；
（4）The velocity measuring of elevator governor obtains according to Hall sensor with the magnet for being placed on elevator governor wheel edge
, elevator governor can make magnet triggering Hall sensor once for each revolution, and control circuit goes out reality according to this signal of change
Border elevator governor speed；
（5）Tach signal according to motor feedback while elevator governor is driven makes real-time control, there is direct current
Brush motor reaches the speed of needs；
（6）After the completion of test, LCDs directly displays survey on the electric control box that is connected with brush direct current motor
The velocity amplitude of examination, including motor speed, electrical speed and mechanical speed；
（7）Data are directly printed by printer.
The present invention in the case where not inputting limiter of speed diameter or girth, using motor, Hall sensor, control circuit and
Software algorithm etc. directly calculates the diameter or girth of limiter of speed, can directly be tested, simplify operating process, reduces survey
Labor intensity in examination.
The general principle and principal character of the present invention has been shown and described above.It should be understood by those skilled in the art that
The present invention is not limited to the above embodiments, merely illustrating the principles of the invention described in above-described embodiment and specification,
Without departing from the spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements all fall
Enter in scope of the claimed invention.The claimed scope of the present invention is by appended claims and its equivalent circle
It is fixed.
Claims (1)
- A kind of 1. elevator speed-measuring device detection means, it is characterised in that：Including：Brush direct current motor, polyurethane rubber roller, magnet, electricity Terraced limiter of speed, Hall sensor, electric control box, button, LCDs, printer, one end on the brush direct current motor Provided with polyurethane rubber roller, the other end is linked with electric control box, and polyurethane rubber roller is pressed in elevator governor outer rim, the electricity Terraced limiter of speed outer rim side is provided with magnet, and the side that the elevator governor is provided with magnet corresponds to Hall sensor, hall sensing Device is arranged on the support of fixed elevator governor, and the electric control box is provided with button, and the top of button is provided with liquid crystal Display screen and printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251132.2U CN207181442U (en) | 2016-11-22 | 2016-11-22 | A kind of elevator speed-measuring device detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621251132.2U CN207181442U (en) | 2016-11-22 | 2016-11-22 | A kind of elevator speed-measuring device detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181442U true CN207181442U (en) | 2018-04-03 |
Family
ID=61732781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621251132.2U Expired - Fee Related CN207181442U (en) | 2016-11-22 | 2016-11-22 | A kind of elevator speed-measuring device detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181442U (en) |
-
2016
- 2016-11-22 CN CN201621251132.2U patent/CN207181442U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20181122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |