CN209009961U - The speed detector of escalator - Google Patents
The speed detector of escalator Download PDFInfo
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- CN209009961U CN209009961U CN201821121878.0U CN201821121878U CN209009961U CN 209009961 U CN209009961 U CN 209009961U CN 201821121878 U CN201821121878 U CN 201821121878U CN 209009961 U CN209009961 U CN 209009961U
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- sensing device
- supporting part
- escalator
- speed detector
- staircase
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Abstract
The utility model provides a kind of speed detector of escalator, comprising: mutually matched sensing device and by sensing device；It is configured to by sensing device with staircase main shaft synchronous rotary；Sensing device is for incude by sensing device increment signal and/or absolute value signal needed for generating control system with main shaft rotation.Further, include the supporting part of two semicircle ring structures by sensing device, extend mounting portion on each supporting part；Described two supporting parts can piece together an integral ring-shaped structure by the connection of two mounting portions；The excircle of supporting part is equipped with induction part, and induction part has continuous tooth form or magnetic pole, and induction part is equipped with the reference point of sensing device；The mounting hole being adapted to staircase major axis size is equipped with inside supporting part and/or mounting portion；Sensing device is opposite with by the supporting part excircle of sensing device and sets.The utility model is convenient for installation and maintenance, and feedback accuracy is high.
Description
Technical field
The utility model belongs to elevator detection device technology field, and in particular to a kind of velocity measuring dress of escalator
It sets.
Background technique
Staircase is usually used the mode of driving device and the movement of sprocket wheel driving spindle, the staircase under this structural system,
Generally the speed of service and the direction of staircase directly cannot be judged by measuring the speed of service of driving device using encoder, because
Be drive sprocket exist fracture, dystopy risk, so now frequently with measurement escalator operation speed and direction side
Formula is to install the number of teeth of two correlation photo-electric detection switch detection sprocket wheels of Traditional photovoltaic encoder or installation in spindle nose
To measure the speed of service and the direction of staircase.
But there is also following deficiencies for the staircase speed detector of the above statement:
The first, the spindle axial vib ration of staircase is big, and photoelectric encoder is mounted on spindle nose, and there are internal code-discs due to vibration
Risk that is dynamic and leading to fragmentation；
The second, since Traditional photovoltaic encoder can be only installed at spindle nose, after staircase is installed at the scene, master
The end manpower of axis is difficult to reach by maintenance storehouse, once encoder breaks down, then needs to expend a large amount of manpower, object
Power goes to repair；
Third is gone to calculate the speed of service and the side in direction of staircase with correlation photo-electric detection switch detection teeth number of sprocket
Formula, due to the limitation of staircase structure, the number of teeth of sprocket wheel is generally less, its staircase speed of service precision for calculating is low in this way, speed
The feedback of degree is inaccurate；
4th, correlation photo-electric detection switch is not resistant to greasy dirt and dust due to the limitation of its principle, uses ring
Border is very sensitive.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of speed inspection of escalator
Device is surveyed, measures the rotation of staircase main shaft in a non contact fashion, can be realized to the staircase speed of service, the precise measurement in direction, knot
Structure is simply convenient for installation and maintenance, and feedback accuracy is high, insensitive to the environment used.The technical solution adopted in the utility model is:
A kind of speed detector of escalator, comprising: mutually matched sensing device and by sensing device；
It is configured to by sensing device with staircase main shaft synchronous rotary；
Sensing device for incude by sensing device with main shaft rotation and increment signal needed for generating control system and/or
Absolute value signal.
Further, include the supporting part of two semicircle ring structures by sensing device, extend peace on each supporting part
Dress portion；Described two supporting parts can piece together an integral ring-shaped structure by the connection of mounting portion；
The excircle of supporting part is equipped with induction part, and induction part has continuous tooth form or magnetic pole, and induction part is equipped with sense
Answer the reference point of device；
The mounting hole being adapted to staircase major axis size is equipped with inside supporting part and/or mounting portion；
Sensing device is opposite with by the supporting part excircle of sensing device and sets.
Further, inner wall of the hole installing has damper portion.
Further, reference point is the missing or prominent on induction part.
Alternatively, including the supporting part of two semicircle ring structures by sensing device, extend mounting portion on each supporting part；
Described two supporting parts can piece together an integral ring-shaped structure by the connection of two mounting portions；
The end face of supporting part is equipped with the induction part of annular, and induction part has continuous tooth form or magnetic pole, sets on induction part
There is the reference point of sensing device；
The mounting hole being adapted to staircase major axis size is equipped with inside supporting part and/or mounting portion；
Sensing device is opposite with by the sensing device carrying toroidal inductive portion of end surface and sets.
Further, inner wall of the hole installing has damper portion.
Further, reference point is the missing or prominent on induction part.
Further, sensing device includes magnetoresistive sensor, signal processing circuit, driving output circuit；Magnetoresistive sensor
For incuding the angle change by magnetic pole in sensing device or gear, corresponding inductive signal is generated, signal processing circuit is used for
The output signal of magnetoresistive sensor is handled, obtains corresponding increment signal and/or absolute value signal, and defeated by driving
Circuit is sent out.
Further, increment signal includes A, B two-phase increment signal of 90 degree of phase differences.
It goes to measure utility model has the advantages that the utility model can substitute the test device used on existing staircase
The speed of service of staircase and direction, to solve, Traditional photovoltaic formula encoder is not convenient for safeguarding after installing staircase, there is vibration
Cause the feedback accuracy of code-disc fragmentation and correlation photoelectric detection system low and use environment sensitive issue.With installation maintenance
Succinct convenient, feedback accuracy height, use environment are insensitive a little, can be widely used for the operation of escalator and moving sidewalk
Speed is surveyed.
Detailed description of the invention
Fig. 1 is the sensing device schematic diagram of the utility model.
Fig. 2 a is in the embodiments of the present invention one by sensing device structural schematic diagram.
Fig. 2 b is in the embodiments of the present invention one by sensing device side schematic view.
Fig. 3 is one scheme of installation of the embodiments of the present invention.
Fig. 4 a is in the embodiments of the present invention two by sensing device structural schematic diagram.
Fig. 4 b is in the embodiments of the present invention two by sensing device side schematic view.
Specific embodiment
Below with reference to specific drawings and examples, the utility model is described in further detail.
Embodiment one.
The utility model provides a kind of speed detector of escalator, including mutually matched sensing device and is felt
Answer device；
Wherein, it is mounted on staircase main shaft by sensing device, it can be with staircase main shaft synchronous rotary；Sensing device is mounted on
On the static part of staircase, or the mounting bracket extended by static part, rotate with main shaft for incuding by sensing device and
Increment signal and/or absolute value signal needed for generating control system.
Sensing device 10 is as shown in Figure 1, include magnetoresistive sensor 11, signal processing circuit 12, driving output circuit 13；Magnetic
Resistance sensor 11 is used to incude the angle change by magnetic pole in sensing device or gear, generates corresponding inductive signal (induction letter
Number for sinusoidal signal or cosine signal), signal processing circuit 12 is obtained for handling the output signal of magnetoresistive sensor 11
It is carried out to corresponding increment signal (increment signal is square-wave signal) and/or absolute value signal, and by driving output circuit 13
It sends；After control system receives increment signal transmitted by sensing device 10 and/or absolute value signal, so that it may calculate staircase
The speed of service and traffic direction；
Fig. 2 a and Fig. 2 b give by a kind of structure of sensing device 20；
Include the supporting part 22 of two semicircle ring structures by sensing device 20, extends peace on each 22 end face of supporting part
Dress portion 25；Described two supporting parts 22 can piece together an integral ring-shaped structure by the connection of mounting portion 25；Specifically, it installs
Portion 25 is the semicircle ring structure extended from supporting part 22, and fixation hole 26 is equipped on mounting portion 25, and two mounting portions 25 are logical
Bolt is crossed to connect across fixation hole 26；Mounting portion 25 is not limited to semi-annular shown in Fig. 2 a and Fig. 2 b, can also be with
It is the engaging lug being simply provided on supporting part 22；
The excircle of supporting part 22 be equipped with induction part 21, and induction part 21 have continuous tooth form or magnetic pole, at least one
A missing or the prominent reference point as sensing device 10；
It is equipped with the mounting hole 24 being adapted to staircase major axis size inside supporting part 22 and/or mounting portion 25, passes through mounting hole
24 can will be mounted on the main shaft of staircase by sensing device 20；In the structure shown in Fig. 2 a and Fig. 2 b, mounting hole 24
Inside supporting part 22 and mounting portion 25；If mounting portion 25 is only engaging lug, mounting hole 24 is located inside supporting part 22；
More preferably, 24 inner wall of mounting hole has damper portion 23, and damper portion 23 is that damping material bonds or be crimped on mounting hole
Inner wall, being increased after installation can be made fixed by the frictional force between sensing device and main shaft, prevent by sensing device with
Vibration or displacement occur during rotating for main shaft；
Fig. 3 gives the first mounting means of the utility model, be mounted on staircase main shaft 31 by sensing device 20 and
It is rotated with main shaft coaxial line；Sensing device 10 is mounted in the static part of staircase or the mounting bracket by static part extraction,
Sensing device 10 is opposite with by 22 excircle of supporting part of sensing device 20, sensing device 10 and by between sensing device 20 there are
The air gap 32, the range of the air gap 32 are 0.1mm~1mm；
When being rotated by sensing device 20 with staircase main shaft, sensing device 10 be can detecte by the rotation angle of sensing device 20
And A, B two-phase increment signal with 90 degree of phase differences are exported, and optional one or more Z phase signals, A phase signals are advanced
B phase signals then can detect that staircase rotates forward, and the advanced A phase signals of B phase signals can detect that staircase inverts, and can be used for the operation of staircase
The detection in speed and direction；When induction part 21 is using magnetic pole, since magnetic pole can be encoded, sensing device 10 can be further defeated
Absolute value signal out；
By the induction of tooth form or magnetic pole in sensing device 20, energy when the magnetoresistive sensor 11 of sensing device 10 is by rotation
The sine/cosine signals for enough generating 90 degree of two-way phase difference, are then handled just/cosine signal by signal processing circuit
A, B two-phase increment signal of available 90 degree of phase differences；Driving output circuit 13 signal processing circuit is exported increment signal,
Absolute value signal is further amplified, and stabilization is transmitted to control system over long distances, to detect the speed of service and traffic direction of staircase；
In the present embodiment, any one place of staircase main shaft may be mounted at by sensing device 20, therefore in maintenance,
It can be reached by maintenance storehouse, facilitate and overhauled.
Embodiment two, in the present embodiment, the setting position of induction part 21 is different from embodiment one, correspondingly, sensing device
Also there is adjustment in 10 position, remaining is the same as embodiment one.
Include the supporting part 22 of two semicircle ring structures by sensing device 20, extends mounting portion on each supporting part 22
25；Described two supporting parts 22 can piece together an integral ring-shaped structure by the connection of two mounting portions 25；
The end face of supporting part 22 is equipped with the induction part 21 of annular, and induction part 21 has continuous tooth form or magnetic pole, induction
Portion 21 is equipped with the reference point of sensing device 10；
The mounting hole 24 being adapted to staircase major axis size is equipped with inside supporting part 22 and/or mounting portion 25；
Sensing device 10 is opposite with by the toroidal inductive portion 21 of 20 supporting part of sensing device, 22 end face and sets.
Embodiment two is a kind of preferable mounting means for the place that radial dimension requires.
The mounting means of above embodiments can make the utility model be mounted on any staircase being completed,
Solve the problems, such as that encoder is not easy installation maintenance to current staircase in the market.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (9)
1. a kind of speed detector of escalator characterized by comprising mutually matched sensing device (10) and felt
Answer device (20)；
It is configured to by sensing device (20) with staircase main shaft synchronous rotary；
Sensing device (10) is for incude by sensing device (20) increment signal needed for generating control system with main shaft rotation
And/or absolute value signal.
2. the speed detector of escalator as described in claim 1, which is characterized in that
Include the supporting part (22) of two semicircle ring structures by sensing device (20), extends installation on each supporting part (22)
Portion (25)；Described two supporting parts (22) can piece together an integral ring-shaped structure by the connection of two mounting portions (25)；
The excircle of supporting part (22) is equipped with induction part (21), and induction part (21) has continuous tooth form or magnetic pole, induction part
(21) it is equipped with the reference point of sensing device (10)；
The mounting hole (24) being adapted to staircase major axis size is equipped with inside supporting part (22) and/or mounting portion (25)；
Sensing device 10 is opposite with by 22 excircle of supporting part of sensing device 20 and sets.
3. the speed detector of escalator as claimed in claim 2, which is characterized in that
Mounting hole (24) inner wall has damper portion (23).
4. the speed detector of escalator as claimed in claim 2, which is characterized in that
Reference point is the missing or prominent on induction part (21).
5. the speed detector of escalator as described in claim 1, which is characterized in that
Include the supporting part (22) of two semicircle ring structures by sensing device (20), extends installation on each supporting part (22)
Portion (25)；Described two supporting parts (22) can piece together an integral ring-shaped structure by the connection of mounting portion (25)；
The end face of supporting part (22) is equipped with the induction part (21) of annular, and induction part (21) has continuous tooth form or magnetic pole, sense
Portion (21) are answered to be equipped with the reference point of sensing device (10)；
The mounting hole (24) being adapted to staircase major axis size is equipped with inside supporting part (22) and/or mounting portion (25)；
Sensing device (10) is opposite with by the toroidal inductive portion (21) of sensing device (20) supporting part (22) end face and sets.
6. the speed detector of escalator as claimed in claim 5, which is characterized in that
Mounting hole (24) inner wall has damper portion (23).
7. the speed detector of escalator as claimed in claim 5, which is characterized in that
Reference point is the missing or prominent on induction part (21).
8. the speed detector of escalator as described in claim 1, which is characterized in that
Sensing device (10) includes magnetoresistive sensor (11), signal processing circuit (12), driving output circuit (13)；Magneto-resistive transducing
Device (11) is used to incude the angle change by magnetic pole in sensing device or gear, generates corresponding inductive signal, signal processing electricity
Road (12) obtains corresponding increment signal and/or absolute value letter for handling the output signal of magnetoresistive sensor (11)
Number, and by driving output circuit (13) to be sent.
9. the speed detector of escalator as described in claim 1, which is characterized in that
Increment signal includes A, B two-phase increment signal of 90 degree of phase differences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121878.0U CN209009961U (en) | 2018-07-16 | 2018-07-16 | The speed detector of escalator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821121878.0U CN209009961U (en) | 2018-07-16 | 2018-07-16 | The speed detector of escalator |
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| Publication Number | Publication Date |
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| CN209009961U true CN209009961U (en) | 2019-06-21 |
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| CN201821121878.0U Active CN209009961U (en) | 2018-07-16 | 2018-07-16 | The speed detector of escalator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609472A (en) * | 2018-07-16 | 2018-10-02 | 上海昶屹机电科技有限公司 | The speed detector of escalator |
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2018
- 2018-07-16 CN CN201821121878.0U patent/CN209009961U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609472A (en) * | 2018-07-16 | 2018-10-02 | 上海昶屹机电科技有限公司 | The speed detector of escalator |
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